id
int32 0
27.3k
| func
stringlengths 26
142k
| target
bool 2
classes | project
stringclasses 2
values | commit_id
stringlengths 40
40
|
|---|---|---|---|---|
26,002 | static void virtio_setup(uint64_t dev_info)
{
struct schib schib;
int i;
int r;
bool found = false;
bool check_devno = false;
uint16_t dev_no = -1;
blk_schid.one = 1;
if (dev_info != -1) {
check_devno = true;
dev_no = dev_info & 0xffff;
debug_print_int("device no. ", dev_no);
blk_schid.ssid = (dev_info >> 16) & 0x3;
if (blk_schid.ssid != 0) {
debug_print_int("ssid ", blk_schid.ssid);
if (enable_mss_facility() != 0) {
virtio_panic("Failed to enable mss facility\n");
}
}
}
for (i = 0; i < 0x10000; i++) {
blk_schid.sch_no = i;
r = stsch_err(blk_schid, &schib);
if (r == 3) {
break;
}
if (schib.pmcw.dnv) {
if (!check_devno || (schib.pmcw.dev == dev_no)) {
if (virtio_is_blk(blk_schid)) {
found = true;
break;
}
}
}
}
if (!found) {
virtio_panic("No virtio-blk device found!\n");
}
virtio_setup_block(blk_schid);
}
| false | qemu | 5d739a4787a53da8d787551c8de27ad39fabdb34 |
26,004 | void memory_region_init_ram(MemoryRegion *mr,
const char *name,
uint64_t size)
{
memory_region_init(mr, name, size);
mr->ram = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram;
mr->ram_addr = qemu_ram_alloc(size, mr);
mr->backend_registered = true;
}
| false | qemu | 26a83ad0e793465b74a8b06a65f2f6fdc5615413 |
26,005 | static uint64_t pchip_read(void *opaque, hwaddr addr, unsigned size)
{
TyphoonState *s = opaque;
uint64_t ret = 0;
if (addr & 4) {
return s->latch_tmp;
}
switch (addr) {
case 0x0000:
/* WSBA0: Window Space Base Address Register. */
ret = s->pchip.win[0].base_addr;
break;
case 0x0040:
/* WSBA1 */
ret = s->pchip.win[1].base_addr;
break;
case 0x0080:
/* WSBA2 */
ret = s->pchip.win[2].base_addr;
break;
case 0x00c0:
/* WSBA3 */
ret = s->pchip.win[3].base_addr;
break;
case 0x0100:
/* WSM0: Window Space Mask Register. */
ret = s->pchip.win[0].mask;
break;
case 0x0140:
/* WSM1 */
ret = s->pchip.win[1].mask;
break;
case 0x0180:
/* WSM2 */
ret = s->pchip.win[2].mask;
break;
case 0x01c0:
/* WSM3 */
ret = s->pchip.win[3].mask;
break;
case 0x0200:
/* TBA0: Translated Base Address Register. */
ret = (uint64_t)s->pchip.win[0].translated_base_pfn << 10;
break;
case 0x0240:
/* TBA1 */
ret = (uint64_t)s->pchip.win[1].translated_base_pfn << 10;
break;
case 0x0280:
/* TBA2 */
ret = (uint64_t)s->pchip.win[2].translated_base_pfn << 10;
break;
case 0x02c0:
/* TBA3 */
ret = (uint64_t)s->pchip.win[3].translated_base_pfn << 10;
break;
case 0x0300:
/* PCTL: Pchip Control Register. */
ret = s->pchip.ctl;
break;
case 0x0340:
/* PLAT: Pchip Master Latency Register. */
break;
case 0x03c0:
/* PERROR: Pchip Error Register. */
break;
case 0x0400:
/* PERRMASK: Pchip Error Mask Register. */
break;
case 0x0440:
/* PERRSET: Pchip Error Set Register. */
break;
case 0x0480:
/* TLBIV: Translation Buffer Invalidate Virtual Register (WO). */
break;
case 0x04c0:
/* TLBIA: Translation Buffer Invalidate All Register (WO). */
break;
case 0x0500: /* PMONCTL */
case 0x0540: /* PMONCNT */
case 0x0800: /* SPRST */
break;
default:
cpu_unassigned_access(current_cpu, addr, false, false, 0, size);
return -1;
}
s->latch_tmp = ret >> 32;
return ret;
}
| false | qemu | 678421650dc166cd6cb35bb2bc0baf1b481b40ca |
26,006 | void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7)
{
int i;
for (i = 0; i < DR7_MAX_BP; i++) {
hw_breakpoint_remove(env, i);
}
env->dr[7] = new_dr7;
for (i = 0; i < DR7_MAX_BP; i++) {
hw_breakpoint_insert(env, i);
}
}
| false | qemu | 36eb6e096729f9aade3a6af7dbe4d0a990335d7e |
26,009 | int ffurl_get_file_handle(URLContext *h)
{
if (!h->prot->url_get_file_handle)
return -1;
return h->prot->url_get_file_handle(h);
}
| false | FFmpeg | be4dfbf7b71e44a53ca8da882a081e35ea134c83 |
26,010 | static void cmd_read_toc_pma_atip(IDEState *s, uint8_t* buf)
{
int format, msf, start_track, len;
uint64_t total_sectors = s->nb_sectors >> 2;
int max_len;
if (total_sectors == 0) {
ide_atapi_cmd_error(s, SENSE_NOT_READY, ASC_MEDIUM_NOT_PRESENT);
return;
}
max_len = ube16_to_cpu(buf + 7);
format = buf[9] >> 6;
msf = (buf[1] >> 1) & 1;
start_track = buf[6];
switch(format) {
case 0:
len = cdrom_read_toc(total_sectors, buf, msf, start_track);
if (len < 0)
goto error_cmd;
ide_atapi_cmd_reply(s, len, max_len);
break;
case 1:
/* multi session : only a single session defined */
memset(buf, 0, 12);
buf[1] = 0x0a;
buf[2] = 0x01;
buf[3] = 0x01;
ide_atapi_cmd_reply(s, 12, max_len);
break;
case 2:
len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track);
if (len < 0)
goto error_cmd;
ide_atapi_cmd_reply(s, len, max_len);
break;
default:
error_cmd:
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
ASC_INV_FIELD_IN_CMD_PACKET);
}
}
| false | qemu | 7a2c4b82340d621bff462672b29c88d2020d68c1 |
26,011 | av_cold void ff_rv40dsp_init(RV34DSPContext *c, DSPContext* dsp) {
ff_rv34dsp_init(c, dsp);
c->put_pixels_tab[0][ 0] = dsp->put_h264_qpel_pixels_tab[0][0];
c->put_pixels_tab[0][ 1] = put_rv40_qpel16_mc10_c;
c->put_pixels_tab[0][ 2] = dsp->put_h264_qpel_pixels_tab[0][2];
c->put_pixels_tab[0][ 3] = put_rv40_qpel16_mc30_c;
c->put_pixels_tab[0][ 4] = put_rv40_qpel16_mc01_c;
c->put_pixels_tab[0][ 5] = put_rv40_qpel16_mc11_c;
c->put_pixels_tab[0][ 6] = put_rv40_qpel16_mc21_c;
c->put_pixels_tab[0][ 7] = put_rv40_qpel16_mc31_c;
c->put_pixels_tab[0][ 8] = dsp->put_h264_qpel_pixels_tab[0][8];
c->put_pixels_tab[0][ 9] = put_rv40_qpel16_mc12_c;
c->put_pixels_tab[0][10] = put_rv40_qpel16_mc22_c;
c->put_pixels_tab[0][11] = put_rv40_qpel16_mc32_c;
c->put_pixels_tab[0][12] = put_rv40_qpel16_mc03_c;
c->put_pixels_tab[0][13] = put_rv40_qpel16_mc13_c;
c->put_pixels_tab[0][14] = put_rv40_qpel16_mc23_c;
c->put_pixels_tab[0][15] = ff_put_rv40_qpel16_mc33_c;
c->avg_pixels_tab[0][ 0] = dsp->avg_h264_qpel_pixels_tab[0][0];
c->avg_pixels_tab[0][ 1] = avg_rv40_qpel16_mc10_c;
c->avg_pixels_tab[0][ 2] = dsp->avg_h264_qpel_pixels_tab[0][2];
c->avg_pixels_tab[0][ 3] = avg_rv40_qpel16_mc30_c;
c->avg_pixels_tab[0][ 4] = avg_rv40_qpel16_mc01_c;
c->avg_pixels_tab[0][ 5] = avg_rv40_qpel16_mc11_c;
c->avg_pixels_tab[0][ 6] = avg_rv40_qpel16_mc21_c;
c->avg_pixels_tab[0][ 7] = avg_rv40_qpel16_mc31_c;
c->avg_pixels_tab[0][ 8] = dsp->avg_h264_qpel_pixels_tab[0][8];
c->avg_pixels_tab[0][ 9] = avg_rv40_qpel16_mc12_c;
c->avg_pixels_tab[0][10] = avg_rv40_qpel16_mc22_c;
c->avg_pixels_tab[0][11] = avg_rv40_qpel16_mc32_c;
c->avg_pixels_tab[0][12] = avg_rv40_qpel16_mc03_c;
c->avg_pixels_tab[0][13] = avg_rv40_qpel16_mc13_c;
c->avg_pixels_tab[0][14] = avg_rv40_qpel16_mc23_c;
c->avg_pixels_tab[0][15] = ff_avg_rv40_qpel16_mc33_c;
c->put_pixels_tab[1][ 0] = dsp->put_h264_qpel_pixels_tab[1][0];
c->put_pixels_tab[1][ 1] = put_rv40_qpel8_mc10_c;
c->put_pixels_tab[1][ 2] = dsp->put_h264_qpel_pixels_tab[1][2];
c->put_pixels_tab[1][ 3] = put_rv40_qpel8_mc30_c;
c->put_pixels_tab[1][ 4] = put_rv40_qpel8_mc01_c;
c->put_pixels_tab[1][ 5] = put_rv40_qpel8_mc11_c;
c->put_pixels_tab[1][ 6] = put_rv40_qpel8_mc21_c;
c->put_pixels_tab[1][ 7] = put_rv40_qpel8_mc31_c;
c->put_pixels_tab[1][ 8] = dsp->put_h264_qpel_pixels_tab[1][8];
c->put_pixels_tab[1][ 9] = put_rv40_qpel8_mc12_c;
c->put_pixels_tab[1][10] = put_rv40_qpel8_mc22_c;
c->put_pixels_tab[1][11] = put_rv40_qpel8_mc32_c;
c->put_pixels_tab[1][12] = put_rv40_qpel8_mc03_c;
c->put_pixels_tab[1][13] = put_rv40_qpel8_mc13_c;
c->put_pixels_tab[1][14] = put_rv40_qpel8_mc23_c;
c->put_pixels_tab[1][15] = ff_put_rv40_qpel8_mc33_c;
c->avg_pixels_tab[1][ 0] = dsp->avg_h264_qpel_pixels_tab[1][0];
c->avg_pixels_tab[1][ 1] = avg_rv40_qpel8_mc10_c;
c->avg_pixels_tab[1][ 2] = dsp->avg_h264_qpel_pixels_tab[1][2];
c->avg_pixels_tab[1][ 3] = avg_rv40_qpel8_mc30_c;
c->avg_pixels_tab[1][ 4] = avg_rv40_qpel8_mc01_c;
c->avg_pixels_tab[1][ 5] = avg_rv40_qpel8_mc11_c;
c->avg_pixels_tab[1][ 6] = avg_rv40_qpel8_mc21_c;
c->avg_pixels_tab[1][ 7] = avg_rv40_qpel8_mc31_c;
c->avg_pixels_tab[1][ 8] = dsp->avg_h264_qpel_pixels_tab[1][8];
c->avg_pixels_tab[1][ 9] = avg_rv40_qpel8_mc12_c;
c->avg_pixels_tab[1][10] = avg_rv40_qpel8_mc22_c;
c->avg_pixels_tab[1][11] = avg_rv40_qpel8_mc32_c;
c->avg_pixels_tab[1][12] = avg_rv40_qpel8_mc03_c;
c->avg_pixels_tab[1][13] = avg_rv40_qpel8_mc13_c;
c->avg_pixels_tab[1][14] = avg_rv40_qpel8_mc23_c;
c->avg_pixels_tab[1][15] = ff_avg_rv40_qpel8_mc33_c;
c->put_chroma_pixels_tab[0] = put_rv40_chroma_mc8_c;
c->put_chroma_pixels_tab[1] = put_rv40_chroma_mc4_c;
c->avg_chroma_pixels_tab[0] = avg_rv40_chroma_mc8_c;
c->avg_chroma_pixels_tab[1] = avg_rv40_chroma_mc4_c;
c->rv40_weight_pixels_tab[0][0] = rv40_weight_func_rnd_16;
c->rv40_weight_pixels_tab[0][1] = rv40_weight_func_rnd_8;
c->rv40_weight_pixels_tab[1][0] = rv40_weight_func_nornd_16;
c->rv40_weight_pixels_tab[1][1] = rv40_weight_func_nornd_8;
c->rv40_weak_loop_filter[0] = rv40_h_weak_loop_filter;
c->rv40_weak_loop_filter[1] = rv40_v_weak_loop_filter;
c->rv40_strong_loop_filter[0] = rv40_h_strong_loop_filter;
c->rv40_strong_loop_filter[1] = rv40_v_strong_loop_filter;
c->rv40_loop_filter_strength[0] = rv40_h_loop_filter_strength;
c->rv40_loop_filter_strength[1] = rv40_v_loop_filter_strength;
if (ARCH_X86)
ff_rv40dsp_init_x86(c, dsp);
if (HAVE_NEON)
ff_rv40dsp_init_neon(c, dsp);
}
| false | FFmpeg | 507dce2536fea4b78a9f4973f77e1fa20cfe1b81 |
26,012 | static int decode_nal_units(HEVCContext *s, const uint8_t *buf, int length)
{
int i, consumed, ret = 0;
s->ref = NULL;
s->eos = 0;
/* split the input packet into NAL units, so we know the upper bound on the
* number of slices in the frame */
s->nb_nals = 0;
while (length >= 4) {
HEVCNAL *nal;
int extract_length = 0;
if (s->is_nalff) {
int i;
for (i = 0; i < s->nal_length_size; i++)
extract_length = (extract_length << 8) | buf[i];
buf += s->nal_length_size;
length -= s->nal_length_size;
if (extract_length > length) {
av_log(s->avctx, AV_LOG_ERROR, "Invalid NAL unit size.\n");
ret = AVERROR_INVALIDDATA;
goto fail;
}
} else {
if (buf[2] == 0) {
length--;
buf++;
continue;
}
if (buf[0] != 0 || buf[1] != 0 || buf[2] != 1) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
buf += 3;
length -= 3;
}
if (!s->is_nalff)
extract_length = length;
if (s->nals_allocated < s->nb_nals + 1) {
int new_size = s->nals_allocated + 1;
HEVCNAL *tmp = av_realloc_array(s->nals, new_size, sizeof(*tmp));
if (!tmp) {
ret = AVERROR(ENOMEM);
goto fail;
}
s->nals = tmp;
memset(s->nals + s->nals_allocated, 0, (new_size - s->nals_allocated) * sizeof(*tmp));
av_reallocp_array(&s->skipped_bytes_nal, new_size, sizeof(*s->skipped_bytes_nal));
av_reallocp_array(&s->skipped_bytes_pos_size_nal, new_size, sizeof(*s->skipped_bytes_pos_size_nal));
av_reallocp_array(&s->skipped_bytes_pos_nal, new_size, sizeof(*s->skipped_bytes_pos_nal));
s->skipped_bytes_pos_size_nal[s->nals_allocated] = 1024; // initial buffer size
s->skipped_bytes_pos_nal[s->nals_allocated] = av_malloc_array(s->skipped_bytes_pos_size_nal[s->nals_allocated], sizeof(*s->skipped_bytes_pos));
s->nals_allocated = new_size;
}
s->skipped_bytes_pos_size = s->skipped_bytes_pos_size_nal[s->nb_nals];
s->skipped_bytes_pos = s->skipped_bytes_pos_nal[s->nb_nals];
nal = &s->nals[s->nb_nals];
consumed = extract_rbsp(s, buf, extract_length, nal);
s->skipped_bytes_nal[s->nb_nals] = s->skipped_bytes;
s->skipped_bytes_pos_size_nal[s->nb_nals] = s->skipped_bytes_pos_size;
s->skipped_bytes_pos_nal[s->nb_nals++] = s->skipped_bytes_pos;
if (consumed < 0) {
ret = consumed;
goto fail;
}
ret = init_get_bits8(&s->HEVClc->gb, nal->data, nal->size);
if (ret < 0)
goto fail;
hls_nal_unit(s);
if (s->nal_unit_type == NAL_EOS_NUT || s->nal_unit_type == NAL_EOB_NUT)
s->eos = 1;
buf += consumed;
length -= consumed;
}
/* parse the NAL units */
for (i = 0; i < s->nb_nals; i++) {
int ret;
s->skipped_bytes = s->skipped_bytes_nal[i];
s->skipped_bytes_pos = s->skipped_bytes_pos_nal[i];
ret = decode_nal_unit(s, s->nals[i].data, s->nals[i].size);
if (ret < 0) {
av_log(s->avctx, AV_LOG_WARNING, "Error parsing NAL unit #%d.\n", i);
if (s->avctx->err_recognition & AV_EF_EXPLODE)
goto fail;
}
}
fail:
if (s->ref && s->threads_type == FF_THREAD_FRAME)
ff_thread_report_progress(&s->ref->tf, INT_MAX, 0);
return ret;
}
| false | FFmpeg | f7f88018393b96ae410041e9a0fc51f4c082002e |
26,013 | static always_inline void gen_intermediate_code_internal (CPUState *env,
TranslationBlock *tb,
int search_pc)
{
DisasContext ctx, *ctxp = &ctx;
opc_handler_t **table, *handler;
target_ulong pc_start;
uint16_t *gen_opc_end;
CPUBreakpoint *bp;
int j, lj = -1;
int num_insns;
int max_insns;
pc_start = tb->pc;
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
ctx.nip = pc_start;
ctx.tb = tb;
ctx.exception = POWERPC_EXCP_NONE;
ctx.spr_cb = env->spr_cb;
ctx.mem_idx = env->mmu_idx;
ctx.access_type = -1;
ctx.le_mode = env->hflags & (1 << MSR_LE) ? 1 : 0;
#if defined(TARGET_PPC64)
ctx.sf_mode = msr_sf;
#endif
ctx.fpu_enabled = msr_fp;
if ((env->flags & POWERPC_FLAG_SPE) && msr_spe)
ctx.spe_enabled = msr_spe;
else
ctx.spe_enabled = 0;
if ((env->flags & POWERPC_FLAG_VRE) && msr_vr)
ctx.altivec_enabled = msr_vr;
else
ctx.altivec_enabled = 0;
if ((env->flags & POWERPC_FLAG_SE) && msr_se)
ctx.singlestep_enabled = CPU_SINGLE_STEP;
else
ctx.singlestep_enabled = 0;
if ((env->flags & POWERPC_FLAG_BE) && msr_be)
ctx.singlestep_enabled |= CPU_BRANCH_STEP;
if (unlikely(env->singlestep_enabled))
ctx.singlestep_enabled |= GDBSTUB_SINGLE_STEP;
#if defined (DO_SINGLE_STEP) && 0
/* Single step trace mode */
msr_se = 1;
#endif
num_insns = 0;
max_insns = tb->cflags & CF_COUNT_MASK;
if (max_insns == 0)
max_insns = CF_COUNT_MASK;
gen_icount_start();
/* Set env in case of segfault during code fetch */
while (ctx.exception == POWERPC_EXCP_NONE && gen_opc_ptr < gen_opc_end) {
if (unlikely(!TAILQ_EMPTY(&env->breakpoints))) {
TAILQ_FOREACH(bp, &env->breakpoints, entry) {
if (bp->pc == ctx.nip) {
gen_debug_exception(ctxp);
break;
}
}
}
if (unlikely(search_pc)) {
j = gen_opc_ptr - gen_opc_buf;
if (lj < j) {
lj++;
while (lj < j)
gen_opc_instr_start[lj++] = 0;
gen_opc_pc[lj] = ctx.nip;
gen_opc_instr_start[lj] = 1;
gen_opc_icount[lj] = num_insns;
}
}
LOG_DISAS("----------------\n");
LOG_DISAS("nip=" ADDRX " super=%d ir=%d\n",
ctx.nip, ctx.mem_idx, (int)msr_ir);
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
gen_io_start();
if (unlikely(ctx.le_mode)) {
ctx.opcode = bswap32(ldl_code(ctx.nip));
} else {
ctx.opcode = ldl_code(ctx.nip);
}
LOG_DISAS("translate opcode %08x (%02x %02x %02x) (%s)\n",
ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode),
opc3(ctx.opcode), little_endian ? "little" : "big");
ctx.nip += 4;
table = env->opcodes;
num_insns++;
handler = table[opc1(ctx.opcode)];
if (is_indirect_opcode(handler)) {
table = ind_table(handler);
handler = table[opc2(ctx.opcode)];
if (is_indirect_opcode(handler)) {
table = ind_table(handler);
handler = table[opc3(ctx.opcode)];
}
}
/* Is opcode *REALLY* valid ? */
if (unlikely(handler->handler == &gen_invalid)) {
if (qemu_log_enabled()) {
qemu_log("invalid/unsupported opcode: "
"%02x - %02x - %02x (%08x) " ADDRX " %d\n",
opc1(ctx.opcode), opc2(ctx.opcode),
opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir);
} else {
printf("invalid/unsupported opcode: "
"%02x - %02x - %02x (%08x) " ADDRX " %d\n",
opc1(ctx.opcode), opc2(ctx.opcode),
opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir);
}
} else {
if (unlikely((ctx.opcode & handler->inval) != 0)) {
if (qemu_log_enabled()) {
qemu_log("invalid bits: %08x for opcode: "
"%02x - %02x - %02x (%08x) " ADDRX "\n",
ctx.opcode & handler->inval, opc1(ctx.opcode),
opc2(ctx.opcode), opc3(ctx.opcode),
ctx.opcode, ctx.nip - 4);
} else {
printf("invalid bits: %08x for opcode: "
"%02x - %02x - %02x (%08x) " ADDRX "\n",
ctx.opcode & handler->inval, opc1(ctx.opcode),
opc2(ctx.opcode), opc3(ctx.opcode),
ctx.opcode, ctx.nip - 4);
}
gen_inval_exception(ctxp, POWERPC_EXCP_INVAL_INVAL);
break;
}
}
(*(handler->handler))(&ctx);
#if defined(DO_PPC_STATISTICS)
handler->count++;
#endif
/* Check trace mode exceptions */
if (unlikely(ctx.singlestep_enabled & CPU_SINGLE_STEP &&
(ctx.nip <= 0x100 || ctx.nip > 0xF00) &&
ctx.exception != POWERPC_SYSCALL &&
ctx.exception != POWERPC_EXCP_TRAP &&
ctx.exception != POWERPC_EXCP_BRANCH)) {
gen_exception(ctxp, POWERPC_EXCP_TRACE);
} else if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) ||
(env->singlestep_enabled) ||
num_insns >= max_insns)) {
/* if we reach a page boundary or are single stepping, stop
* generation
*/
break;
}
#if defined (DO_SINGLE_STEP)
break;
#endif
}
if (tb->cflags & CF_LAST_IO)
gen_io_end();
if (ctx.exception == POWERPC_EXCP_NONE) {
gen_goto_tb(&ctx, 0, ctx.nip);
} else if (ctx.exception != POWERPC_EXCP_BRANCH) {
if (unlikely(env->singlestep_enabled)) {
gen_debug_exception(ctxp);
}
/* Generate the return instruction */
tcg_gen_exit_tb(0);
}
gen_icount_end(tb, num_insns);
*gen_opc_ptr = INDEX_op_end;
if (unlikely(search_pc)) {
j = gen_opc_ptr - gen_opc_buf;
lj++;
while (lj <= j)
gen_opc_instr_start[lj++] = 0;
} else {
tb->size = ctx.nip - pc_start;
tb->icount = num_insns;
}
#if defined(DEBUG_DISAS)
qemu_log_mask(CPU_LOG_TB_CPU, "---------------- excp: %04x\n", ctx.exception);
log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
int flags;
flags = env->bfd_mach;
flags |= ctx.le_mode << 16;
qemu_log("IN: %s\n", lookup_symbol(pc_start));
log_target_disas(pc_start, ctx.nip - pc_start, flags);
qemu_log("\n");
}
#endif
}
| false | qemu | af4b6c54c141c1e2d3637fc15b912e82b88828cf |
26,014 | static int slb_lookup (CPUPPCState *env, target_ulong eaddr,
target_ulong *vsid, target_ulong *page_mask, int *attr)
{
target_phys_addr_t sr_base;
target_ulong mask;
uint64_t tmp64;
uint32_t tmp;
int n, ret;
int slb_nr;
ret = -5;
sr_base = env->spr[SPR_ASR];
#if defined(DEBUG_SLB)
if (loglevel != 0) {
fprintf(logfile, "%s: eaddr " ADDRX " base " PADDRX "\n",
__func__, eaddr, sr_base);
}
#endif
mask = 0x0000000000000000ULL; /* Avoid gcc warning */
slb_nr = env->slb_nr;
for (n = 0; n < slb_nr; n++) {
tmp64 = ldq_phys(sr_base);
tmp = ldl_phys(sr_base + 8);
#if defined(DEBUG_SLB)
if (loglevel != 0) {
fprintf(logfile, "%s: seg %d " PADDRX " %016" PRIx64 " %08"
PRIx32 "\n", __func__, n, sr_base, tmp64, tmp);
}
#endif
if (tmp64 & 0x0000000008000000ULL) {
/* SLB entry is valid */
switch (tmp64 & 0x0000000006000000ULL) {
case 0x0000000000000000ULL:
/* 256 MB segment */
mask = 0xFFFFFFFFF0000000ULL;
break;
case 0x0000000002000000ULL:
/* 1 TB segment */
mask = 0xFFFF000000000000ULL;
break;
case 0x0000000004000000ULL:
case 0x0000000006000000ULL:
/* Reserved => segment is invalid */
continue;
}
if ((eaddr & mask) == (tmp64 & mask)) {
/* SLB match */
*vsid = ((tmp64 << 24) | (tmp >> 8)) & 0x0003FFFFFFFFFFFFULL;
*page_mask = ~mask;
*attr = tmp & 0xFF;
ret = 0;
break;
}
}
sr_base += 12;
}
return ret;
}
| false | qemu | eacc324914c2dc7aecec3b4ea920252b685b5c8e |
26,015 | static const mon_cmd_t *monitor_parse_command(Monitor *mon,
const char *cmdline,
QDict *qdict)
{
const char *p, *typestr;
int c;
const mon_cmd_t *cmd;
char cmdname[256];
char buf[1024];
char *key;
#ifdef DEBUG
monitor_printf(mon, "command='%s'\n", cmdline);
#endif
/* extract the command name */
p = get_command_name(cmdline, cmdname, sizeof(cmdname));
if (!p)
return NULL;
/* find the command */
for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
if (compare_cmd(cmdname, cmd->name))
break;
}
if (cmd->name == NULL) {
monitor_printf(mon, "unknown command: '%s'\n", cmdname);
return NULL;
}
/* parse the parameters */
typestr = cmd->args_type;
for(;;) {
typestr = key_get_info(typestr, &key);
if (!typestr)
break;
c = *typestr;
typestr++;
switch(c) {
case 'F':
case 'B':
case 's':
{
int ret;
while (qemu_isspace(*p))
p++;
if (*typestr == '?') {
typestr++;
if (*p == '\0') {
/* no optional string: NULL argument */
break;
}
}
ret = get_str(buf, sizeof(buf), &p);
if (ret < 0) {
switch(c) {
case 'F':
monitor_printf(mon, "%s: filename expected\n",
cmdname);
break;
case 'B':
monitor_printf(mon, "%s: block device name expected\n",
cmdname);
break;
default:
monitor_printf(mon, "%s: string expected\n", cmdname);
break;
}
goto fail;
}
qdict_put(qdict, key, qstring_from_str(buf));
}
break;
case '/':
{
int count, format, size;
while (qemu_isspace(*p))
p++;
if (*p == '/') {
/* format found */
p++;
count = 1;
if (qemu_isdigit(*p)) {
count = 0;
while (qemu_isdigit(*p)) {
count = count * 10 + (*p - '0');
p++;
}
}
size = -1;
format = -1;
for(;;) {
switch(*p) {
case 'o':
case 'd':
case 'u':
case 'x':
case 'i':
case 'c':
format = *p++;
break;
case 'b':
size = 1;
p++;
break;
case 'h':
size = 2;
p++;
break;
case 'w':
size = 4;
p++;
break;
case 'g':
case 'L':
size = 8;
p++;
break;
default:
goto next;
}
}
next:
if (*p != '\0' && !qemu_isspace(*p)) {
monitor_printf(mon, "invalid char in format: '%c'\n",
*p);
goto fail;
}
if (format < 0)
format = default_fmt_format;
if (format != 'i') {
/* for 'i', not specifying a size gives -1 as size */
if (size < 0)
size = default_fmt_size;
default_fmt_size = size;
}
default_fmt_format = format;
} else {
count = 1;
format = default_fmt_format;
if (format != 'i') {
size = default_fmt_size;
} else {
size = -1;
}
}
qdict_put(qdict, "count", qint_from_int(count));
qdict_put(qdict, "format", qint_from_int(format));
qdict_put(qdict, "size", qint_from_int(size));
}
break;
case 'i':
case 'l':
{
int64_t val;
while (qemu_isspace(*p))
p++;
if (*typestr == '?' || *typestr == '.') {
if (*typestr == '?') {
if (*p == '\0') {
typestr++;
break;
}
} else {
if (*p == '.') {
p++;
while (qemu_isspace(*p))
p++;
} else {
typestr++;
break;
}
}
typestr++;
}
if (get_expr(mon, &val, &p))
goto fail;
/* Check if 'i' is greater than 32-bit */
if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
monitor_printf(mon, "\'%s\' has failed: ", cmdname);
monitor_printf(mon, "integer is for 32-bit values\n");
goto fail;
}
qdict_put(qdict, key, qint_from_int(val));
}
break;
case '-':
{
const char *tmp = p;
int has_option, skip_key = 0;
/* option */
c = *typestr++;
if (c == '\0')
goto bad_type;
while (qemu_isspace(*p))
p++;
has_option = 0;
if (*p == '-') {
p++;
if(c != *p) {
if(!is_valid_option(p, typestr)) {
monitor_printf(mon, "%s: unsupported option -%c\n",
cmdname, *p);
goto fail;
} else {
skip_key = 1;
}
}
if(skip_key) {
p = tmp;
} else {
p++;
has_option = 1;
}
}
qdict_put(qdict, key, qint_from_int(has_option));
}
break;
default:
bad_type:
monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
goto fail;
}
qemu_free(key);
key = NULL;
}
/* check that all arguments were parsed */
while (qemu_isspace(*p))
p++;
if (*p != '\0') {
monitor_printf(mon, "%s: extraneous characters at the end of line\n",
cmdname);
goto fail;
}
return cmd;
fail:
qemu_free(key);
return NULL;
}
| false | qemu | 7fd669a1c49743073e53166798244f15b1a8e0d2 |
26,016 | static coroutine_fn int qcow_co_writev(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, QEMUIOVector *qiov)
{
BDRVQcowState *s = bs->opaque;
int index_in_cluster;
uint64_t cluster_offset;
int ret = 0, n;
struct iovec hd_iov;
QEMUIOVector hd_qiov;
uint8_t *buf;
void *orig_buf;
s->cluster_cache_offset = -1; /* disable compressed cache */
/* We must always copy the iov when encrypting, so we
* don't modify the original data buffer during encryption */
if (bs->encrypted || qiov->niov > 1) {
buf = orig_buf = qemu_try_blockalign(bs, qiov->size);
if (buf == NULL) {
return -ENOMEM;
}
qemu_iovec_to_buf(qiov, 0, buf, qiov->size);
} else {
orig_buf = NULL;
buf = (uint8_t *)qiov->iov->iov_base;
}
qemu_co_mutex_lock(&s->lock);
while (nb_sectors != 0) {
index_in_cluster = sector_num & (s->cluster_sectors - 1);
n = s->cluster_sectors - index_in_cluster;
if (n > nb_sectors) {
n = nb_sectors;
}
cluster_offset = get_cluster_offset(bs, sector_num << 9, 1, 0,
index_in_cluster,
index_in_cluster + n);
if (!cluster_offset || (cluster_offset & 511) != 0) {
ret = -EIO;
break;
}
if (bs->encrypted) {
Error *err = NULL;
assert(s->cipher);
if (encrypt_sectors(s, sector_num, buf, n, true, &err) < 0) {
error_free(err);
ret = -EIO;
break;
}
}
hd_iov.iov_base = (void *)buf;
hd_iov.iov_len = n * 512;
qemu_iovec_init_external(&hd_qiov, &hd_iov, 1);
qemu_co_mutex_unlock(&s->lock);
ret = bdrv_co_writev(bs->file,
(cluster_offset >> 9) + index_in_cluster,
n, &hd_qiov);
qemu_co_mutex_lock(&s->lock);
if (ret < 0) {
break;
}
ret = 0;
nb_sectors -= n;
sector_num += n;
buf += n * 512;
}
qemu_co_mutex_unlock(&s->lock);
qemu_vfree(orig_buf);
return ret;
}
| false | qemu | d85f4222b4681da7ebf8a90b26e085a68fa2c55a |
26,017 | static void start_auth_vencrypt_subauth(VncState *vs)
{
switch (vs->vd->subauth) {
case VNC_AUTH_VENCRYPT_TLSNONE:
case VNC_AUTH_VENCRYPT_X509NONE:
VNC_DEBUG("Accept TLS auth none\n");
vnc_write_u32(vs, 0); /* Accept auth completion */
start_client_init(vs);
break;
case VNC_AUTH_VENCRYPT_TLSVNC:
case VNC_AUTH_VENCRYPT_X509VNC:
VNC_DEBUG("Start TLS auth VNC\n");
start_auth_vnc(vs);
break;
#ifdef CONFIG_VNC_SASL
case VNC_AUTH_VENCRYPT_TLSSASL:
case VNC_AUTH_VENCRYPT_X509SASL:
VNC_DEBUG("Start TLS auth SASL\n");
return start_auth_sasl(vs);
#endif /* CONFIG_VNC_SASL */
default: /* Should not be possible, but just in case */
VNC_DEBUG("Reject subauth %d server bug\n", vs->vd->auth);
vnc_write_u8(vs, 1);
if (vs->minor >= 8) {
static const char err[] = "Unsupported authentication type";
vnc_write_u32(vs, sizeof(err));
vnc_write(vs, err, sizeof(err));
}
vnc_client_error(vs);
}
}
| false | qemu | 7e7e2ebc942da8285931ceabf12823e165dced8b |
26,019 | static void disas_test_b_imm(DisasContext *s, uint32_t insn)
{
unsigned int bit_pos, op, rt;
uint64_t addr;
int label_match;
TCGv_i64 tcg_cmp;
bit_pos = (extract32(insn, 31, 1) << 5) | extract32(insn, 19, 5);
op = extract32(insn, 24, 1); /* 0: TBZ; 1: TBNZ */
addr = s->pc + sextract32(insn, 5, 14) * 4 - 4;
rt = extract32(insn, 0, 5);
tcg_cmp = tcg_temp_new_i64();
tcg_gen_andi_i64(tcg_cmp, cpu_reg(s, rt), (1ULL << bit_pos));
label_match = gen_new_label();
tcg_gen_brcondi_i64(op ? TCG_COND_NE : TCG_COND_EQ,
tcg_cmp, 0, label_match);
tcg_temp_free_i64(tcg_cmp);
gen_goto_tb(s, 0, s->pc);
gen_set_label(label_match);
gen_goto_tb(s, 1, addr);
}
| false | qemu | 42a268c241183877192c376d03bd9b6d527407c7 |
26,020 | static QObject *parse_escape(JSONParserContext *ctxt, QList **tokens, va_list *ap)
{
QObject *token = NULL, *obj;
QList *working = qlist_copy(*tokens);
if (ap == NULL) {
goto out;
}
token = qlist_pop(working);
if (token == NULL) {
goto out;
}
if (token_is_escape(token, "%p")) {
obj = va_arg(*ap, QObject *);
} else if (token_is_escape(token, "%i")) {
obj = QOBJECT(qbool_from_int(va_arg(*ap, int)));
} else if (token_is_escape(token, "%d")) {
obj = QOBJECT(qint_from_int(va_arg(*ap, int)));
} else if (token_is_escape(token, "%ld")) {
obj = QOBJECT(qint_from_int(va_arg(*ap, long)));
} else if (token_is_escape(token, "%lld") ||
token_is_escape(token, "%I64d")) {
obj = QOBJECT(qint_from_int(va_arg(*ap, long long)));
} else if (token_is_escape(token, "%s")) {
obj = QOBJECT(qstring_from_str(va_arg(*ap, const char *)));
} else if (token_is_escape(token, "%f")) {
obj = QOBJECT(qfloat_from_double(va_arg(*ap, double)));
} else {
goto out;
}
qobject_decref(token);
QDECREF(*tokens);
*tokens = working;
return obj;
out:
qobject_decref(token);
QDECREF(working);
return NULL;
}
| false | qemu | 65c0f1e9558c7c762cdb333406243fff1d687117 |
26,021 | ParallelState *parallel_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq, CharDriverState *chr)
{
ParallelState *s;
int io_sw;
s = qemu_mallocz(sizeof(ParallelState));
s->irq = irq;
s->chr = chr;
s->it_shift = it_shift;
qemu_register_reset(parallel_reset, s);
io_sw = cpu_register_io_memory(parallel_mm_read_sw, parallel_mm_write_sw,
s, DEVICE_NATIVE_ENDIAN);
cpu_register_physical_memory(base, 8 << it_shift, io_sw);
return s;
}
| false | qemu | defdb20e1a8ac3a7200aaf190d7fb20a5ac8bcea |
26,022 | int float32_le( float32 a, float32 b STATUS_PARAM )
{
flag aSign, bSign;
if ( ( ( extractFloat32Exp( a ) == 0xFF ) && extractFloat32Frac( a ) )
|| ( ( extractFloat32Exp( b ) == 0xFF ) && extractFloat32Frac( b ) )
) {
float_raise( float_flag_invalid STATUS_VAR);
return 0;
}
aSign = extractFloat32Sign( a );
bSign = extractFloat32Sign( b );
if ( aSign != bSign ) return aSign || ( (bits32) ( ( a | b )<<1 ) == 0 );
return ( a == b ) || ( aSign ^ ( a < b ) );
}
| false | qemu | f090c9d4ad5812fb92843d6470a1111c15190c4c |
26,023 | static void ttafilter_init(TTAContext *s, TTAFilter *c, int32_t shift) {
memset(c, 0, sizeof(TTAFilter));
if (s->pass) {
int i;
for (i = 0; i < 8; i++)
c->qm[i] = sign_extend(s->crc_pass[i], 8);
}
c->shift = shift;
c->round = shift_1[shift-1];
// c->round = 1 << (shift - 1);
}
| false | FFmpeg | 2e988fd689642899927707a084bf40dc1326dc90 |
26,024 | USBDevice *usb_msd_init(const char *filename, BlockDriverState **pbs)
{
MSDState *s;
BlockDriverState *bdrv;
BlockDriver *drv = NULL;
const char *p1;
char fmt[32];
p1 = strchr(filename, ':');
if (p1++) {
const char *p2;
if (strstart(filename, "format=", &p2)) {
int len = MIN(p1 - p2, sizeof(fmt));
pstrcpy(fmt, len, p2);
drv = bdrv_find_format(fmt);
if (!drv) {
printf("invalid format %s\n", fmt);
return NULL;
}
} else if (*filename != ':') {
printf("unrecognized USB mass-storage option %s\n", filename);
return NULL;
}
filename = p1;
}
if (!*filename) {
printf("block device specification needed\n");
return NULL;
}
s = qemu_mallocz(sizeof(MSDState));
bdrv = bdrv_new("usb");
if (bdrv_open2(bdrv, filename, 0, drv) < 0)
goto fail;
s->bs = bdrv;
*pbs = bdrv;
s->dev.speed = USB_SPEED_FULL;
s->dev.handle_packet = usb_generic_handle_packet;
s->dev.handle_reset = usb_msd_handle_reset;
s->dev.handle_control = usb_msd_handle_control;
s->dev.handle_data = usb_msd_handle_data;
s->dev.handle_destroy = usb_msd_handle_destroy;
snprintf(s->dev.devname, sizeof(s->dev.devname), "QEMU USB MSD(%.16s)",
filename);
s->scsi_dev = scsi_disk_init(bdrv, 0, usb_msd_command_complete, s);
usb_msd_handle_reset((USBDevice *)s);
return (USBDevice *)s;
fail:
qemu_free(s);
return NULL;
}
| false | qemu | bb5fc20f7c1c65e95030da3629dd0d7a0cce38cd |
26,025 | static int buffered_rate_limit(void *opaque)
{
QEMUFileBuffered *s = opaque;
int ret;
ret = qemu_file_get_error(s->file);
if (ret) {
return ret;
}
if (s->bytes_xfer > s->xfer_limit)
return 1;
return 0;
}
| false | qemu | 0d82d0e8b98cf0ea03a45f8542d835ebd3a84cd3 |
26,026 | static int alloc_refcount_block(BlockDriverState *bs,
int64_t cluster_index, void **refcount_block)
{
BDRVQcowState *s = bs->opaque;
unsigned int refcount_table_index;
int ret;
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC);
/* Find the refcount block for the given cluster */
refcount_table_index = cluster_index >> s->refcount_block_bits;
if (refcount_table_index < s->refcount_table_size) {
uint64_t refcount_block_offset =
s->refcount_table[refcount_table_index] & REFT_OFFSET_MASK;
/* If it's already there, we're done */
if (refcount_block_offset) {
if (offset_into_cluster(s, refcount_block_offset)) {
qcow2_signal_corruption(bs, true, -1, -1, "Refblock offset %#"
PRIx64 " unaligned (reftable index: "
"%#x)", refcount_block_offset,
refcount_table_index);
return -EIO;
}
return load_refcount_block(bs, refcount_block_offset,
refcount_block);
}
}
/*
* If we came here, we need to allocate something. Something is at least
* a cluster for the new refcount block. It may also include a new refcount
* table if the old refcount table is too small.
*
* Note that allocating clusters here needs some special care:
*
* - We can't use the normal qcow2_alloc_clusters(), it would try to
* increase the refcount and very likely we would end up with an endless
* recursion. Instead we must place the refcount blocks in a way that
* they can describe them themselves.
*
* - We need to consider that at this point we are inside update_refcounts
* and potentially doing an initial refcount increase. This means that
* some clusters have already been allocated by the caller, but their
* refcount isn't accurate yet. If we allocate clusters for metadata, we
* need to return -EAGAIN to signal the caller that it needs to restart
* the search for free clusters.
*
* - alloc_clusters_noref and qcow2_free_clusters may load a different
* refcount block into the cache
*/
*refcount_block = NULL;
/* We write to the refcount table, so we might depend on L2 tables */
ret = qcow2_cache_flush(bs, s->l2_table_cache);
if (ret < 0) {
return ret;
}
/* Allocate the refcount block itself and mark it as used */
int64_t new_block = alloc_clusters_noref(bs, s->cluster_size);
if (new_block < 0) {
return new_block;
}
#ifdef DEBUG_ALLOC2
fprintf(stderr, "qcow2: Allocate refcount block %d for %" PRIx64
" at %" PRIx64 "\n",
refcount_table_index, cluster_index << s->cluster_bits, new_block);
#endif
if (in_same_refcount_block(s, new_block, cluster_index << s->cluster_bits)) {
/* Zero the new refcount block before updating it */
ret = qcow2_cache_get_empty(bs, s->refcount_block_cache, new_block,
refcount_block);
if (ret < 0) {
goto fail_block;
}
memset(*refcount_block, 0, s->cluster_size);
/* The block describes itself, need to update the cache */
int block_index = (new_block >> s->cluster_bits) &
(s->refcount_block_size - 1);
s->set_refcount(*refcount_block, block_index, 1);
} else {
/* Described somewhere else. This can recurse at most twice before we
* arrive at a block that describes itself. */
ret = update_refcount(bs, new_block, s->cluster_size, 1, false,
QCOW2_DISCARD_NEVER);
if (ret < 0) {
goto fail_block;
}
ret = qcow2_cache_flush(bs, s->refcount_block_cache);
if (ret < 0) {
goto fail_block;
}
/* Initialize the new refcount block only after updating its refcount,
* update_refcount uses the refcount cache itself */
ret = qcow2_cache_get_empty(bs, s->refcount_block_cache, new_block,
refcount_block);
if (ret < 0) {
goto fail_block;
}
memset(*refcount_block, 0, s->cluster_size);
}
/* Now the new refcount block needs to be written to disk */
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE);
qcow2_cache_entry_mark_dirty(bs, s->refcount_block_cache, *refcount_block);
ret = qcow2_cache_flush(bs, s->refcount_block_cache);
if (ret < 0) {
goto fail_block;
}
/* If the refcount table is big enough, just hook the block up there */
if (refcount_table_index < s->refcount_table_size) {
uint64_t data64 = cpu_to_be64(new_block);
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_HOOKUP);
ret = bdrv_pwrite_sync(bs->file,
s->refcount_table_offset + refcount_table_index * sizeof(uint64_t),
&data64, sizeof(data64));
if (ret < 0) {
goto fail_block;
}
s->refcount_table[refcount_table_index] = new_block;
/* The new refcount block may be where the caller intended to put its
* data, so let it restart the search. */
return -EAGAIN;
}
ret = qcow2_cache_put(bs, s->refcount_block_cache, refcount_block);
if (ret < 0) {
goto fail_block;
}
/*
* If we come here, we need to grow the refcount table. Again, a new
* refcount table needs some space and we can't simply allocate to avoid
* endless recursion.
*
* Therefore let's grab new refcount blocks at the end of the image, which
* will describe themselves and the new refcount table. This way we can
* reference them only in the new table and do the switch to the new
* refcount table at once without producing an inconsistent state in
* between.
*/
BLKDBG_EVENT(bs->file, BLKDBG_REFTABLE_GROW);
/* Calculate the number of refcount blocks needed so far; this will be the
* basis for calculating the index of the first cluster used for the
* self-describing refcount structures which we are about to create.
*
* Because we reached this point, there cannot be any refcount entries for
* cluster_index or higher indices yet. However, because new_block has been
* allocated to describe that cluster (and it will assume this role later
* on), we cannot use that index; also, new_block may actually have a higher
* cluster index than cluster_index, so it needs to be taken into account
* here (and 1 needs to be added to its value because that cluster is used).
*/
uint64_t blocks_used = DIV_ROUND_UP(MAX(cluster_index + 1,
(new_block >> s->cluster_bits) + 1),
s->refcount_block_size);
if (blocks_used > QCOW_MAX_REFTABLE_SIZE / sizeof(uint64_t)) {
return -EFBIG;
}
/* And now we need at least one block more for the new metadata */
uint64_t table_size = next_refcount_table_size(s, blocks_used + 1);
uint64_t last_table_size;
uint64_t blocks_clusters;
do {
uint64_t table_clusters =
size_to_clusters(s, table_size * sizeof(uint64_t));
blocks_clusters = 1 +
((table_clusters + s->refcount_block_size - 1)
/ s->refcount_block_size);
uint64_t meta_clusters = table_clusters + blocks_clusters;
last_table_size = table_size;
table_size = next_refcount_table_size(s, blocks_used +
((meta_clusters + s->refcount_block_size - 1)
/ s->refcount_block_size));
} while (last_table_size != table_size);
#ifdef DEBUG_ALLOC2
fprintf(stderr, "qcow2: Grow refcount table %" PRId32 " => %" PRId64 "\n",
s->refcount_table_size, table_size);
#endif
/* Create the new refcount table and blocks */
uint64_t meta_offset = (blocks_used * s->refcount_block_size) *
s->cluster_size;
uint64_t table_offset = meta_offset + blocks_clusters * s->cluster_size;
uint64_t *new_table = g_try_new0(uint64_t, table_size);
void *new_blocks = g_try_malloc0(blocks_clusters * s->cluster_size);
assert(table_size > 0 && blocks_clusters > 0);
if (new_table == NULL || new_blocks == NULL) {
ret = -ENOMEM;
goto fail_table;
}
/* Fill the new refcount table */
memcpy(new_table, s->refcount_table,
s->refcount_table_size * sizeof(uint64_t));
new_table[refcount_table_index] = new_block;
int i;
for (i = 0; i < blocks_clusters; i++) {
new_table[blocks_used + i] = meta_offset + (i * s->cluster_size);
}
/* Fill the refcount blocks */
uint64_t table_clusters = size_to_clusters(s, table_size * sizeof(uint64_t));
int block = 0;
for (i = 0; i < table_clusters + blocks_clusters; i++) {
s->set_refcount(new_blocks, block++, 1);
}
/* Write refcount blocks to disk */
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE_BLOCKS);
ret = bdrv_pwrite_sync(bs->file, meta_offset, new_blocks,
blocks_clusters * s->cluster_size);
g_free(new_blocks);
new_blocks = NULL;
if (ret < 0) {
goto fail_table;
}
/* Write refcount table to disk */
for(i = 0; i < table_size; i++) {
cpu_to_be64s(&new_table[i]);
}
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE_TABLE);
ret = bdrv_pwrite_sync(bs->file, table_offset, new_table,
table_size * sizeof(uint64_t));
if (ret < 0) {
goto fail_table;
}
for(i = 0; i < table_size; i++) {
be64_to_cpus(&new_table[i]);
}
/* Hook up the new refcount table in the qcow2 header */
uint8_t data[12];
cpu_to_be64w((uint64_t*)data, table_offset);
cpu_to_be32w((uint32_t*)(data + 8), table_clusters);
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_SWITCH_TABLE);
ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, refcount_table_offset),
data, sizeof(data));
if (ret < 0) {
goto fail_table;
}
/* And switch it in memory */
uint64_t old_table_offset = s->refcount_table_offset;
uint64_t old_table_size = s->refcount_table_size;
g_free(s->refcount_table);
s->refcount_table = new_table;
s->refcount_table_size = table_size;
s->refcount_table_offset = table_offset;
/* Free old table. */
qcow2_free_clusters(bs, old_table_offset, old_table_size * sizeof(uint64_t),
QCOW2_DISCARD_OTHER);
ret = load_refcount_block(bs, new_block, refcount_block);
if (ret < 0) {
return ret;
}
/* If we were trying to do the initial refcount update for some cluster
* allocation, we might have used the same clusters to store newly
* allocated metadata. Make the caller search some new space. */
return -EAGAIN;
fail_table:
g_free(new_blocks);
g_free(new_table);
fail_block:
if (*refcount_block != NULL) {
qcow2_cache_put(bs, s->refcount_block_cache, refcount_block);
}
return ret;
}
| false | qemu | a3f1afb43a09e4577571c044c48f2ba9e6e4ad06 |
26,028 | static inline int vc1_pred_dc(MpegEncContext *s, int overlap, int pq, int n,
int a_avail, int c_avail,
int16_t **dc_val_ptr, int *dir_ptr)
{
int a, b, c, wrap, pred;
int16_t *dc_val;
int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
int q1, q2 = 0;
wrap = s->block_wrap[n];
dc_val = s->dc_val[0] + s->block_index[n];
/* B A
* C X
*/
c = dc_val[ - 1];
b = dc_val[ - 1 - wrap];
a = dc_val[ - wrap];
/* scale predictors if needed */
q1 = s->current_picture.f.qscale_table[mb_pos];
if (c_avail && (n != 1 && n != 3)) {
q2 = s->current_picture.f.qscale_table[mb_pos - 1];
if (q2 && q2 != q1)
c = (c * s->y_dc_scale_table[q2] * ff_vc1_dqscale[s->y_dc_scale_table[q1] - 1] + 0x20000) >> 18;
}
if (a_avail && (n != 2 && n != 3)) {
q2 = s->current_picture.f.qscale_table[mb_pos - s->mb_stride];
if (q2 && q2 != q1)
a = (a * s->y_dc_scale_table[q2] * ff_vc1_dqscale[s->y_dc_scale_table[q1] - 1] + 0x20000) >> 18;
}
if (a_avail && c_avail && (n != 3)) {
int off = mb_pos;
if (n != 1)
off--;
if (n != 2)
off -= s->mb_stride;
q2 = s->current_picture.f.qscale_table[off];
if (q2 && q2 != q1)
b = (b * s->y_dc_scale_table[q2] * ff_vc1_dqscale[s->y_dc_scale_table[q1] - 1] + 0x20000) >> 18;
}
if (a_avail && c_avail) {
if (abs(a - b) <= abs(b - c)) {
pred = c;
*dir_ptr = 1; // left
} else {
pred = a;
*dir_ptr = 0; // top
}
} else if (a_avail) {
pred = a;
*dir_ptr = 0; // top
} else if (c_avail) {
pred = c;
*dir_ptr = 1; // left
} else {
pred = 0;
*dir_ptr = 1; // left
}
/* update predictor */
*dc_val_ptr = &dc_val[0];
return pred;
}
| false | FFmpeg | 95b192de5d05f3e1542e7b2378cdefbc195f5185 |
26,029 | static void external_snapshot_prepare(BlkTransactionState *common,
Error **errp)
{
BlockDriver *drv;
int flags, ret;
QDict *options = NULL;
Error *local_err = NULL;
bool has_device = false;
const char *device;
bool has_node_name = false;
const char *node_name;
bool has_snapshot_node_name = false;
const char *snapshot_node_name;
const char *new_image_file;
const char *format = "qcow2";
enum NewImageMode mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
ExternalSnapshotState *state =
DO_UPCAST(ExternalSnapshotState, common, common);
TransactionAction *action = common->action;
/* get parameters */
g_assert(action->kind == TRANSACTION_ACTION_KIND_BLOCKDEV_SNAPSHOT_SYNC);
has_device = action->blockdev_snapshot_sync->has_device;
device = action->blockdev_snapshot_sync->device;
has_node_name = action->blockdev_snapshot_sync->has_node_name;
node_name = action->blockdev_snapshot_sync->node_name;
has_snapshot_node_name =
action->blockdev_snapshot_sync->has_snapshot_node_name;
snapshot_node_name = action->blockdev_snapshot_sync->snapshot_node_name;
new_image_file = action->blockdev_snapshot_sync->snapshot_file;
if (action->blockdev_snapshot_sync->has_format) {
format = action->blockdev_snapshot_sync->format;
}
if (action->blockdev_snapshot_sync->has_mode) {
mode = action->blockdev_snapshot_sync->mode;
}
/* start processing */
drv = bdrv_find_format(format);
if (!drv) {
error_set(errp, QERR_INVALID_BLOCK_FORMAT, format);
return;
}
state->old_bs = bdrv_lookup_bs(has_device ? device : NULL,
has_node_name ? node_name : NULL,
&local_err);
if (error_is_set(&local_err)) {
error_propagate(errp, local_err);
return;
}
if (has_node_name && !has_snapshot_node_name) {
error_setg(errp, "New snapshot node name missing");
return;
}
if (has_snapshot_node_name && bdrv_find_node(snapshot_node_name)) {
error_setg(errp, "New snapshot node name already existing");
return;
}
if (!bdrv_is_inserted(state->old_bs)) {
error_set(errp, QERR_DEVICE_HAS_NO_MEDIUM, device);
return;
}
if (bdrv_in_use(state->old_bs)) {
error_set(errp, QERR_DEVICE_IN_USE, device);
return;
}
if (!bdrv_is_read_only(state->old_bs)) {
if (bdrv_flush(state->old_bs)) {
error_set(errp, QERR_IO_ERROR);
return;
}
}
if (!bdrv_is_first_non_filter(state->old_bs)) {
error_set(errp, QERR_FEATURE_DISABLED, "snapshot");
return;
}
flags = state->old_bs->open_flags;
/* create new image w/backing file */
if (mode != NEW_IMAGE_MODE_EXISTING) {
bdrv_img_create(new_image_file, format,
state->old_bs->filename,
state->old_bs->drv->format_name,
NULL, -1, flags, &local_err, false);
if (error_is_set(&local_err)) {
error_propagate(errp, local_err);
return;
}
}
if (has_snapshot_node_name) {
options = qdict_new();
qdict_put(options, "node-name",
qstring_from_str(snapshot_node_name));
}
/* We will manually add the backing_hd field to the bs later */
state->new_bs = bdrv_new("");
/* TODO Inherit bs->options or only take explicit options with an
* extended QMP command? */
ret = bdrv_open(state->new_bs, new_image_file, options,
flags | BDRV_O_NO_BACKING, drv, &local_err);
if (ret != 0) {
error_propagate(errp, local_err);
}
QDECREF(options);
}
| true | qemu | 57b6bdf37c64985cf02b8737c550d52759059c9d |
26,032 | int avio_get_str(AVIOContext *s, int maxlen, char *buf, int buflen)
{
int i;
// reserve 1 byte for terminating 0
buflen = FFMIN(buflen - 1, maxlen);
for (i = 0; i < buflen; i++)
if (!(buf[i] = avio_r8(s)))
return i + 1;
if (buflen)
buf[i] = 0;
for (; i < maxlen; i++)
if (!avio_r8(s))
return i + 1;
return maxlen;
}
| false | FFmpeg | ab2940691ba76e1a9b0ce608db0dfc45021d741e |
26,033 | static int RENAME(swScale)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
/* load a few things into local vars to make the code more readable? and faster */
const int srcW= c->srcW;
const int dstW= c->dstW;
const int dstH= c->dstH;
const int chrDstW= c->chrDstW;
const int chrSrcW= c->chrSrcW;
const int lumXInc= c->lumXInc;
const int chrXInc= c->chrXInc;
const enum PixelFormat dstFormat= c->dstFormat;
const int flags= c->flags;
int16_t *vLumFilterPos= c->vLumFilterPos;
int16_t *vChrFilterPos= c->vChrFilterPos;
int16_t *hLumFilterPos= c->hLumFilterPos;
int16_t *hChrFilterPos= c->hChrFilterPos;
int16_t *vLumFilter= c->vLumFilter;
int16_t *vChrFilter= c->vChrFilter;
int16_t *hLumFilter= c->hLumFilter;
int16_t *hChrFilter= c->hChrFilter;
int32_t *lumMmxFilter= c->lumMmxFilter;
int32_t *chrMmxFilter= c->chrMmxFilter;
int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
const int vLumFilterSize= c->vLumFilterSize;
const int vChrFilterSize= c->vChrFilterSize;
const int hLumFilterSize= c->hLumFilterSize;
const int hChrFilterSize= c->hChrFilterSize;
int16_t **lumPixBuf= c->lumPixBuf;
int16_t **chrPixBuf= c->chrPixBuf;
int16_t **alpPixBuf= c->alpPixBuf;
const int vLumBufSize= c->vLumBufSize;
const int vChrBufSize= c->vChrBufSize;
uint8_t *formatConvBuffer= c->formatConvBuffer;
const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
int lastDstY;
uint32_t *pal=c->pal_yuv;
/* vars which will change and which we need to store back in the context */
int dstY= c->dstY;
int lumBufIndex= c->lumBufIndex;
int chrBufIndex= c->chrBufIndex;
int lastInLumBuf= c->lastInLumBuf;
int lastInChrBuf= c->lastInChrBuf;
if (isPacked(c->srcFormat)) {
src[0]=
src[1]=
src[2]=
src[3]= src[0];
srcStride[0]=
srcStride[1]=
srcStride[2]=
srcStride[3]= srcStride[0];
}
srcStride[1]<<= c->vChrDrop;
srcStride[2]<<= c->vChrDrop;
DEBUG_BUFFERS("swScale() %p[%d] %p[%d] %p[%d] %p[%d] -> %p[%d] %p[%d] %p[%d] %p[%d]\n",
src[0], srcStride[0], src[1], srcStride[1], src[2], srcStride[2], src[3], srcStride[3],
dst[0], dstStride[0], dst[1], dstStride[1], dst[2], dstStride[2], dst[3], dstStride[3]);
DEBUG_BUFFERS("srcSliceY: %d srcSliceH: %d dstY: %d dstH: %d\n",
srcSliceY, srcSliceH, dstY, dstH);
DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n",
vLumFilterSize, vLumBufSize, vChrFilterSize, vChrBufSize);
if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0 || dstStride[3]%8 != 0) {
static int warnedAlready=0; //FIXME move this into the context perhaps
if (flags & SWS_PRINT_INFO && !warnedAlready) {
av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"
" ->cannot do aligned memory accesses anymore\n");
warnedAlready=1;
}
}
/* Note the user might start scaling the picture in the middle so this
will not get executed. This is not really intended but works
currently, so people might do it. */
if (srcSliceY ==0) {
lumBufIndex=-1;
chrBufIndex=-1;
dstY=0;
lastInLumBuf= -1;
lastInChrBuf= -1;
}
lastDstY= dstY;
for (;dstY < dstH; dstY++) {
unsigned char *dest =dst[0]+dstStride[0]*dstY;
const int chrDstY= dstY>>c->chrDstVSubSample;
unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;
unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;
unsigned char *aDest=(CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3]+dstStride[3]*dstY : NULL;
const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
const int firstLumSrcY2= vLumFilterPos[FFMIN(dstY | ((1<<c->chrDstVSubSample) - 1), dstH-1)];
const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input
int lastLumSrcY2=firstLumSrcY2+ vLumFilterSize -1; // Last line needed as input
int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input
int enough_lines;
//handle holes (FAST_BILINEAR & weird filters)
if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;
if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;
assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);
assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);
DEBUG_BUFFERS("dstY: %d\n", dstY);
DEBUG_BUFFERS("\tfirstLumSrcY: %d lastLumSrcY: %d lastInLumBuf: %d\n",
firstLumSrcY, lastLumSrcY, lastInLumBuf);
DEBUG_BUFFERS("\tfirstChrSrcY: %d lastChrSrcY: %d lastInChrBuf: %d\n",
firstChrSrcY, lastChrSrcY, lastInChrBuf);
// Do we have enough lines in this slice to output the dstY line
enough_lines = lastLumSrcY2 < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample);
if (!enough_lines) {
lastLumSrcY = srcSliceY + srcSliceH - 1;
lastChrSrcY = chrSrcSliceY + chrSrcSliceH - 1;
DEBUG_BUFFERS("buffering slice: lastLumSrcY %d lastChrSrcY %d\n",
lastLumSrcY, lastChrSrcY);
}
//Do horizontal scaling
while(lastInLumBuf < lastLumSrcY) {
const uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
const uint8_t *src2= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3];
lumBufIndex++;
assert(lumBufIndex < 2*vLumBufSize);
assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
assert(lastInLumBuf + 1 - srcSliceY >= 0);
RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, src1, srcW, lumXInc,
hLumFilter, hLumFilterPos, hLumFilterSize,
formatConvBuffer,
pal, 0);
if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
RENAME(hyscale)(c, alpPixBuf[ lumBufIndex ], dstW, src2, srcW, lumXInc,
hLumFilter, hLumFilterPos, hLumFilterSize,
formatConvBuffer,
pal, 1);
lastInLumBuf++;
DEBUG_BUFFERS("\t\tlumBufIndex %d: lastInLumBuf: %d\n",
lumBufIndex, lastInLumBuf);
}
while(lastInChrBuf < lastChrSrcY) {
const uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
const uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
chrBufIndex++;
assert(chrBufIndex < 2*vChrBufSize);
assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
//FIXME replace parameters through context struct (some at least)
if (c->needs_hcscale)
RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
hChrFilter, hChrFilterPos, hChrFilterSize,
formatConvBuffer,
pal);
lastInChrBuf++;
DEBUG_BUFFERS("\t\tchrBufIndex %d: lastInChrBuf: %d\n",
chrBufIndex, lastInChrBuf);
}
//wrap buf index around to stay inside the ring buffer
if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
if (!enough_lines)
break; //we can't output a dstY line so let's try with the next slice
#if COMPILE_TEMPLATE_MMX
c->blueDither= ff_dither8[dstY&1];
if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
c->greenDither= ff_dither8[dstY&1];
else
c->greenDither= ff_dither4[dstY&1];
c->redDither= ff_dither8[(dstY+1)&1];
#endif
if (dstY < dstH-2) {
const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
const int16_t **chrSrcPtr= (const int16_t **) chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
#if COMPILE_TEMPLATE_MMX
int i;
if (flags & SWS_ACCURATE_RND) {
int s= APCK_SIZE / 8;
for (i=0; i<vLumFilterSize; i+=2) {
*(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
*(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
lumMmxFilter[s*i+APCK_COEF/4 ]=
lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
+ (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
*(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
*(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
alpMmxFilter[s*i+APCK_COEF/4 ]=
alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
}
}
for (i=0; i<vChrFilterSize; i+=2) {
*(const void**)&chrMmxFilter[s*i ]= chrSrcPtr[i ];
*(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrSrcPtr[i+(vChrFilterSize>1)];
chrMmxFilter[s*i+APCK_COEF/4 ]=
chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
+ (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
}
} else {
for (i=0; i<vLumFilterSize; i++) {
lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;
lumMmxFilter[4*i+2]=
lumMmxFilter[4*i+3]=
((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
alpMmxFilter[4*i+0]= (int32_t)alpSrcPtr[i];
alpMmxFilter[4*i+1]= (uint64_t)alpSrcPtr[i] >> 32;
alpMmxFilter[4*i+2]=
alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
}
}
for (i=0; i<vChrFilterSize; i++) {
chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;
chrMmxFilter[4*i+2]=
chrMmxFilter[4*i+3]=
((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
}
}
#endif
if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) {
const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
c->yuv2nv12X(c,
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
dest, uDest, dstW, chrDstW, dstFormat);
} else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12 like
const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
if (is16BPS(dstFormat) || isNBPS(dstFormat)) {
yuv2yuvX16inC(
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, (uint16_t *) dest, (uint16_t *) uDest, (uint16_t *) vDest, (uint16_t *) aDest, dstW, chrDstW,
dstFormat);
} else if (vLumFilterSize == 1 && vChrFilterSize == 1) { // unscaled YV12
const int16_t *lumBuf = lumSrcPtr[0];
const int16_t *chrBuf= chrSrcPtr[0];
const int16_t *alpBuf= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? alpSrcPtr[0] : NULL;
c->yuv2yuv1(c, lumBuf, chrBuf, alpBuf, dest, uDest, vDest, aDest, dstW, chrDstW);
} else { //General YV12
c->yuv2yuvX(c,
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
}
} else {
assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
if (vLumFilterSize == 1 && vChrFilterSize == 2) { //unscaled RGB
int chrAlpha= vChrFilter[2*dstY+1];
if(flags & SWS_FULL_CHR_H_INT) {
yuv2rgbXinC_full(c, //FIXME write a packed1_full function
vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, dest, dstW, dstY);
} else {
c->yuv2packed1(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
alpPixBuf ? *alpSrcPtr : NULL,
dest, dstW, chrAlpha, dstFormat, flags, dstY);
}
} else if (vLumFilterSize == 2 && vChrFilterSize == 2) { //bilinear upscale RGB
int lumAlpha= vLumFilter[2*dstY+1];
int chrAlpha= vChrFilter[2*dstY+1];
lumMmxFilter[2]=
lumMmxFilter[3]= vLumFilter[2*dstY ]*0x10001;
chrMmxFilter[2]=
chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
if(flags & SWS_FULL_CHR_H_INT) {
yuv2rgbXinC_full(c, //FIXME write a packed2_full function
vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, dest, dstW, dstY);
} else {
c->yuv2packed2(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
alpPixBuf ? *alpSrcPtr : NULL, alpPixBuf ? *(alpSrcPtr+1) : NULL,
dest, dstW, lumAlpha, chrAlpha, dstY);
}
} else { //general RGB
if(flags & SWS_FULL_CHR_H_INT) {
yuv2rgbXinC_full(c,
vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, dest, dstW, dstY);
} else {
c->yuv2packedX(c,
vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, dest, dstW, dstY);
}
}
}
} else { // hmm looks like we can't use MMX here without overwriting this array's tail
const int16_t **lumSrcPtr= (const int16_t **)lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
const int16_t **chrSrcPtr= (const int16_t **)chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) {
const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
yuv2nv12XinC(
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
dest, uDest, dstW, chrDstW, dstFormat);
} else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12
const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
if (is16BPS(dstFormat) || isNBPS(dstFormat)) {
yuv2yuvX16inC(
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, (uint16_t *) dest, (uint16_t *) uDest, (uint16_t *) vDest, (uint16_t *) aDest, dstW, chrDstW,
dstFormat);
} else {
yuv2yuvXinC(
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
}
} else {
assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
if(flags & SWS_FULL_CHR_H_INT) {
yuv2rgbXinC_full(c,
vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, dest, dstW, dstY);
} else {
yuv2packedXinC(c,
vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
alpSrcPtr, dest, dstW, dstY);
}
}
}
}
if ((dstFormat == PIX_FMT_YUVA420P) && !alpPixBuf)
fillPlane(dst[3], dstStride[3], dstW, dstY-lastDstY, lastDstY, 255);
#if COMPILE_TEMPLATE_MMX
if (flags & SWS_CPU_CAPS_MMX2 ) __asm__ volatile("sfence":::"memory");
/* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */
if (flags & SWS_CPU_CAPS_3DNOW) __asm__ volatile("femms" :::"memory");
else __asm__ volatile("emms" :::"memory");
#endif
/* store changed local vars back in the context */
c->dstY= dstY;
c->lumBufIndex= lumBufIndex;
c->chrBufIndex= chrBufIndex;
c->lastInLumBuf= lastInLumBuf;
c->lastInChrBuf= lastInChrBuf;
return dstY - lastDstY;
}
| false | FFmpeg | d1adad3cca407f493c3637e20ecd4f7124e69212 |
26,034 | static inline int wv_unpack_mono(WavpackFrameContext *s, GetBitContext *gb,
void *dst, const int type)
{
int i, j, count = 0;
int last, t;
int A, S, T;
int pos = s->pos;
uint32_t crc = s->sc.crc;
uint32_t crc_extra_bits = s->extra_sc.crc;
int16_t *dst16 = dst;
int32_t *dst32 = dst;
float *dstfl = dst;
s->one = s->zero = s->zeroes = 0;
do {
T = wv_get_value(s, gb, 0, &last);
S = 0;
if (last)
break;
for (i = 0; i < s->terms; i++) {
t = s->decorr[i].value;
if (t > 8) {
if (t & 1)
A = 2U * s->decorr[i].samplesA[0] - s->decorr[i].samplesA[1];
else
A = (int)(3U * s->decorr[i].samplesA[0] - s->decorr[i].samplesA[1]) >> 1;
s->decorr[i].samplesA[1] = s->decorr[i].samplesA[0];
j = 0;
} else {
A = s->decorr[i].samplesA[pos];
j = (pos + t) & 7;
}
if (type != AV_SAMPLE_FMT_S16P)
S = T + ((s->decorr[i].weightA * (int64_t)A + 512) >> 10);
else
S = T + ((s->decorr[i].weightA * A + 512) >> 10);
if (A && T)
s->decorr[i].weightA -= ((((T ^ A) >> 30) & 2) - 1) * s->decorr[i].delta;
s->decorr[i].samplesA[j] = T = S;
}
pos = (pos + 1) & 7;
crc = crc * 3 + S;
if (type == AV_SAMPLE_FMT_FLTP) {
*dstfl++ = wv_get_value_float(s, &crc_extra_bits, S);
} else if (type == AV_SAMPLE_FMT_S32P) {
*dst32++ = wv_get_value_integer(s, &crc_extra_bits, S);
} else {
*dst16++ = wv_get_value_integer(s, &crc_extra_bits, S);
}
count++;
} while (!last && count < s->samples);
wv_reset_saved_context(s);
if (last && count < s->samples) {
int size = av_get_bytes_per_sample(type);
memset((uint8_t*)dst + count*size, 0, (s->samples-count)*size);
}
if (s->avctx->err_recognition & AV_EF_CRCCHECK) {
int ret = wv_check_crc(s, crc, crc_extra_bits);
if (ret < 0 && s->avctx->err_recognition & AV_EF_EXPLODE)
return ret;
}
return 0;
}
| true | FFmpeg | d90c5bf10559554d6f9cd1dfb90767b991b76d5d |
26,035 | static void mmu_init (CPUMIPSState *env, const mips_def_t *def)
{
env->tlb = qemu_mallocz(sizeof(CPUMIPSTLBContext));
switch (def->mmu_type) {
case MMU_TYPE_NONE:
no_mmu_init(env, def);
break;
case MMU_TYPE_R4000:
r4k_mmu_init(env, def);
break;
case MMU_TYPE_FMT:
fixed_mmu_init(env, def);
break;
case MMU_TYPE_R3000:
case MMU_TYPE_R6000:
case MMU_TYPE_R8000:
default:
cpu_abort(env, "MMU type not supported\n");
}
env->CP0_Random = env->tlb->nb_tlb - 1;
env->tlb->tlb_in_use = env->tlb->nb_tlb;
}
| true | qemu | 51cc2e783af5586b2e742ce9e5b2762dc50ad325 |
26,036 | static void sample_queue_push(HintSampleQueue *queue, uint8_t *data, int size,
int sample)
{
/* No need to keep track of smaller samples, since describing them
* with immediates is more efficient. */
if (size <= 14)
return;
if (!queue->samples || queue->len >= queue->size) {
HintSample *samples;
samples = av_realloc(queue->samples, sizeof(HintSample) * (queue->size + 10));
if (!samples)
return;
queue->size += 10;
queue->samples = samples;
}
queue->samples[queue->len].data = data;
queue->samples[queue->len].size = size;
queue->samples[queue->len].sample_number = sample;
queue->samples[queue->len].offset = 0;
queue->samples[queue->len].own_data = 0;
queue->len++;
}
| true | FFmpeg | 05b7a635dc1e5266fb367ce8b0019a0830317879 |
26,039 | static void gen_spr_power8_tce_address_control(CPUPPCState *env)
{
spr_register(env, SPR_TAR, "TAR",
&spr_read_generic, &spr_write_generic,
&spr_read_generic, &spr_write_generic,
0x00000000);
}
| true | qemu | 45ed0be146b7433d1123f09eb1a984210a311625 |
26,040 | static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, int intra)
{
int level, i, last, run;
int dc_pred_dir;
RLTable * rl;
RL_VLC_ELEM * rl_vlc;
const UINT8 * scan_table;
int qmul, qadd;
if(intra) {
/* DC coef */
if(s->partitioned_frame){
level = s->dc_val[0][ s->block_index[n] ];
if(n<4) level= (level + (s->y_dc_scale>>1))/s->y_dc_scale; //FIXME optimizs
else level= (level + (s->c_dc_scale>>1))/s->c_dc_scale;
dc_pred_dir= (s->pred_dir_table[s->mb_x + s->mb_y*s->mb_width]<<n)&32;
}else{
level = mpeg4_decode_dc(s, n, &dc_pred_dir);
if (level < 0)
return -1;
}
block[0] = level;
i = 0;
if (!coded)
goto not_coded;
rl = &rl_intra;
rl_vlc = rl_intra.rl_vlc[0];
if (s->ac_pred) {
if (dc_pred_dir == 0)
scan_table = s->intra_v_scantable.permutated; /* left */
else
scan_table = s->intra_h_scantable.permutated; /* top */
} else {
scan_table = s->intra_scantable.permutated;
}
qmul=1;
qadd=0;
} else {
i = -1;
if (!coded) {
s->block_last_index[n] = i;
return 0;
}
rl = &rl_inter;
scan_table = s->intra_scantable.permutated;
if(s->mpeg_quant){
qmul=1;
qadd=0;
rl_vlc = rl_inter.rl_vlc[0];
}else{
qmul = s->qscale << 1;
qadd = (s->qscale - 1) | 1;
rl_vlc = rl_inter.rl_vlc[s->qscale];
}
}
{
OPEN_READER(re, &s->gb);
for(;;) {
UPDATE_CACHE(re, &s->gb);
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
if (level==0) {
int cache;
cache= GET_CACHE(re, &s->gb);
/* escape */
if (cache&0x80000000) {
if (cache&0x40000000) {
/* third escape */
SKIP_CACHE(re, &s->gb, 2);
last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);
run= SHOW_UBITS(re, &s->gb, 6); LAST_SKIP_CACHE(re, &s->gb, 6);
SKIP_COUNTER(re, &s->gb, 2+1+6);
UPDATE_CACHE(re, &s->gb);
if(SHOW_UBITS(re, &s->gb, 1)==0){
fprintf(stderr, "1. marker bit missing in 3. esc\n");
return -1;
}; SKIP_CACHE(re, &s->gb, 1);
level= SHOW_SBITS(re, &s->gb, 12); SKIP_CACHE(re, &s->gb, 12);
if(SHOW_UBITS(re, &s->gb, 1)==0){
fprintf(stderr, "2. marker bit missing in 3. esc\n");
return -1;
}; LAST_SKIP_CACHE(re, &s->gb, 1);
SKIP_COUNTER(re, &s->gb, 1+12+1);
if(level*s->qscale>1024 || level*s->qscale<-1024){
fprintf(stderr, "|level| overflow in 3. esc, qp=%d\n", s->qscale);
return -1;
}
#if 1
{
const int abs_level= ABS(level);
if(abs_level<=MAX_LEVEL && run<=MAX_RUN && ((s->workaround_bugs&FF_BUG_AC_VLC)==0)){
const int run1= run - rl->max_run[last][abs_level] - 1;
if(abs_level <= rl->max_level[last][run]){
fprintf(stderr, "illegal 3. esc, vlc encoding possible\n");
return -1;
}
if(abs_level <= rl->max_level[last][run]*2){
fprintf(stderr, "illegal 3. esc, esc 1 encoding possible\n");
return -1;
}
if(run1 >= 0 && abs_level <= rl->max_level[last][run1]){
fprintf(stderr, "illegal 3. esc, esc 2 encoding possible\n");
return -1;
}
}
}
#endif
if (level>0) level= level * qmul + qadd;
else level= level * qmul - qadd;
i+= run + 1;
if(last) i+=192;
} else {
/* second escape */
#if MIN_CACHE_BITS < 20
LAST_SKIP_BITS(re, &s->gb, 2);
UPDATE_CACHE(re, &s->gb);
#else
SKIP_BITS(re, &s->gb, 2);
#endif
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
i+= run + rl->max_run[run>>7][level/qmul] +1; //FIXME opt indexing
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
}
} else {
/* first escape */
#if MIN_CACHE_BITS < 19
LAST_SKIP_BITS(re, &s->gb, 1);
UPDATE_CACHE(re, &s->gb);
#else
SKIP_BITS(re, &s->gb, 1);
#endif
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
i+= run;
level = level + rl->max_level[run>>7][(run-1)&63] * qmul;//FIXME opt indexing
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
}
} else {
i+= run;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
}
if (i > 62){
i-= 192;
if(i&(~63)){
fprintf(stderr, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
block[scan_table[i]] = level;
break;
}
block[scan_table[i]] = level;
}
CLOSE_READER(re, &s->gb);
}
not_coded:
if (s->mb_intra) {
mpeg4_pred_ac(s, block, n, dc_pred_dir);
if (s->ac_pred) {
i = 63; /* XXX: not optimal */
}
}
s->block_last_index[n] = i;
return 0;
}
| true | FFmpeg | ce3bcaeda1dec8bdc25d4daf5a8358feafe5d124 |
26,041 | int load_uboot(const char *filename, target_ulong *ep, int *is_linux)
{
int fd;
int size;
uboot_image_header_t h;
uboot_image_header_t *hdr = &h;
uint8_t *data = NULL;
fd = open(filename, O_RDONLY | O_BINARY);
if (fd < 0)
return -1;
size = read(fd, hdr, sizeof(uboot_image_header_t));
if (size < 0)
goto fail;
bswap_uboot_header(hdr);
if (hdr->ih_magic != IH_MAGIC)
goto fail;
/* TODO: Implement Multi-File images. */
if (hdr->ih_type == IH_TYPE_MULTI) {
fprintf(stderr, "Unable to load multi-file u-boot images\n");
goto fail;
}
/* TODO: Implement compressed images. */
if (hdr->ih_comp != IH_COMP_NONE) {
fprintf(stderr, "Unable to load compressed u-boot images\n");
goto fail;
}
/* TODO: Check CPU type. */
if (is_linux) {
if (hdr->ih_type == IH_TYPE_KERNEL && hdr->ih_os == IH_OS_LINUX)
*is_linux = 1;
else
*is_linux = 0;
}
*ep = hdr->ih_ep;
data = qemu_malloc(hdr->ih_size);
if (!data)
goto fail;
if (read(fd, data, hdr->ih_size) != hdr->ih_size) {
fprintf(stderr, "Error reading file\n");
goto fail;
}
cpu_physical_memory_write_rom(hdr->ih_load, data, hdr->ih_size);
return hdr->ih_size;
fail:
if (data)
qemu_free(data);
close(fd);
return -1;
}
| true | qemu | 265ca29a7162a9437efabdb3b133237eef49ab7b |
26,042 | static int64_t alloc_refcount_block(BlockDriverState *bs, int64_t cluster_index)
{
BDRVQcowState *s = bs->opaque;
unsigned int refcount_table_index;
int ret;
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC);
/* Find the refcount block for the given cluster */
refcount_table_index = cluster_index >> (s->cluster_bits - REFCOUNT_SHIFT);
if (refcount_table_index < s->refcount_table_size) {
uint64_t refcount_block_offset =
s->refcount_table[refcount_table_index];
/* If it's already there, we're done */
if (refcount_block_offset) {
if (refcount_block_offset != s->refcount_block_cache_offset) {
ret = load_refcount_block(bs, refcount_block_offset);
if (ret < 0) {
return ret;
}
}
return refcount_block_offset;
}
}
/*
* If we came here, we need to allocate something. Something is at least
* a cluster for the new refcount block. It may also include a new refcount
* table if the old refcount table is too small.
*
* Note that allocating clusters here needs some special care:
*
* - We can't use the normal qcow2_alloc_clusters(), it would try to
* increase the refcount and very likely we would end up with an endless
* recursion. Instead we must place the refcount blocks in a way that
* they can describe them themselves.
*
* - We need to consider that at this point we are inside update_refcounts
* and doing the initial refcount increase. This means that some clusters
* have already been allocated by the caller, but their refcount isn't
* accurate yet. free_cluster_index tells us where this allocation ends
* as long as we don't overwrite it by freeing clusters.
*
* - alloc_clusters_noref and qcow2_free_clusters may load a different
* refcount block into the cache
*/
if (cache_refcount_updates) {
ret = write_refcount_block(bs);
if (ret < 0) {
return ret;
}
}
/* Allocate the refcount block itself and mark it as used */
uint64_t new_block = alloc_clusters_noref(bs, s->cluster_size);
memset(s->refcount_block_cache, 0, s->cluster_size);
s->refcount_block_cache_offset = new_block;
#ifdef DEBUG_ALLOC2
fprintf(stderr, "qcow2: Allocate refcount block %d for %" PRIx64
" at %" PRIx64 "\n",
refcount_table_index, cluster_index << s->cluster_bits, new_block);
#endif
if (in_same_refcount_block(s, new_block, cluster_index << s->cluster_bits)) {
/* The block describes itself, need to update the cache */
int block_index = (new_block >> s->cluster_bits) &
((1 << (s->cluster_bits - REFCOUNT_SHIFT)) - 1);
s->refcount_block_cache[block_index] = cpu_to_be16(1);
} else {
/* Described somewhere else. This can recurse at most twice before we
* arrive at a block that describes itself. */
ret = update_refcount(bs, new_block, s->cluster_size, 1);
if (ret < 0) {
goto fail_block;
}
}
/* Now the new refcount block needs to be written to disk */
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE);
ret = bdrv_pwrite(bs->file, new_block, s->refcount_block_cache,
s->cluster_size);
if (ret < 0) {
goto fail_block;
}
/* If the refcount table is big enough, just hook the block up there */
if (refcount_table_index < s->refcount_table_size) {
uint64_t data64 = cpu_to_be64(new_block);
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_HOOKUP);
ret = bdrv_pwrite(bs->file,
s->refcount_table_offset + refcount_table_index * sizeof(uint64_t),
&data64, sizeof(data64));
if (ret < 0) {
goto fail_block;
}
s->refcount_table[refcount_table_index] = new_block;
return new_block;
}
/*
* If we come here, we need to grow the refcount table. Again, a new
* refcount table needs some space and we can't simply allocate to avoid
* endless recursion.
*
* Therefore let's grab new refcount blocks at the end of the image, which
* will describe themselves and the new refcount table. This way we can
* reference them only in the new table and do the switch to the new
* refcount table at once without producing an inconsistent state in
* between.
*/
BLKDBG_EVENT(bs->file, BLKDBG_REFTABLE_GROW);
/* Calculate the number of refcount blocks needed so far */
uint64_t refcount_block_clusters = 1 << (s->cluster_bits - REFCOUNT_SHIFT);
uint64_t blocks_used = (s->free_cluster_index +
refcount_block_clusters - 1) / refcount_block_clusters;
/* And now we need at least one block more for the new metadata */
uint64_t table_size = next_refcount_table_size(s, blocks_used + 1);
uint64_t last_table_size;
uint64_t blocks_clusters;
do {
uint64_t table_clusters = size_to_clusters(s, table_size);
blocks_clusters = 1 +
((table_clusters + refcount_block_clusters - 1)
/ refcount_block_clusters);
uint64_t meta_clusters = table_clusters + blocks_clusters;
last_table_size = table_size;
table_size = next_refcount_table_size(s, blocks_used +
((meta_clusters + refcount_block_clusters - 1)
/ refcount_block_clusters));
} while (last_table_size != table_size);
#ifdef DEBUG_ALLOC2
fprintf(stderr, "qcow2: Grow refcount table %" PRId32 " => %" PRId64 "\n",
s->refcount_table_size, table_size);
#endif
/* Create the new refcount table and blocks */
uint64_t meta_offset = (blocks_used * refcount_block_clusters) *
s->cluster_size;
uint64_t table_offset = meta_offset + blocks_clusters * s->cluster_size;
uint16_t *new_blocks = qemu_mallocz(blocks_clusters * s->cluster_size);
uint64_t *new_table = qemu_mallocz(table_size * sizeof(uint64_t));
assert(meta_offset >= (s->free_cluster_index * s->cluster_size));
/* Fill the new refcount table */
memcpy(new_table, s->refcount_table,
s->refcount_table_size * sizeof(uint64_t));
new_table[refcount_table_index] = new_block;
int i;
for (i = 0; i < blocks_clusters; i++) {
new_table[blocks_used + i] = meta_offset + (i * s->cluster_size);
}
/* Fill the refcount blocks */
uint64_t table_clusters = size_to_clusters(s, table_size * sizeof(uint64_t));
int block = 0;
for (i = 0; i < table_clusters + blocks_clusters; i++) {
new_blocks[block++] = cpu_to_be16(1);
}
/* Write refcount blocks to disk */
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE_BLOCKS);
ret = bdrv_pwrite(bs->file, meta_offset, new_blocks,
blocks_clusters * s->cluster_size);
qemu_free(new_blocks);
if (ret < 0) {
goto fail_table;
}
/* Write refcount table to disk */
for(i = 0; i < table_size; i++) {
cpu_to_be64s(&new_table[i]);
}
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE_TABLE);
ret = bdrv_pwrite(bs->file, table_offset, new_table,
table_size * sizeof(uint64_t));
if (ret < 0) {
goto fail_table;
}
for(i = 0; i < table_size; i++) {
cpu_to_be64s(&new_table[i]);
}
/* Hook up the new refcount table in the qcow2 header */
uint8_t data[12];
cpu_to_be64w((uint64_t*)data, table_offset);
cpu_to_be32w((uint32_t*)(data + 8), table_clusters);
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_SWITCH_TABLE);
ret = bdrv_pwrite(bs->file, offsetof(QCowHeader, refcount_table_offset),
data, sizeof(data));
if (ret < 0) {
goto fail_table;
}
/* And switch it in memory */
uint64_t old_table_offset = s->refcount_table_offset;
uint64_t old_table_size = s->refcount_table_size;
qemu_free(s->refcount_table);
s->refcount_table = new_table;
s->refcount_table_size = table_size;
s->refcount_table_offset = table_offset;
/* Free old table. Remember, we must not change free_cluster_index */
uint64_t old_free_cluster_index = s->free_cluster_index;
qcow2_free_clusters(bs, old_table_offset, old_table_size * sizeof(uint64_t));
s->free_cluster_index = old_free_cluster_index;
ret = load_refcount_block(bs, new_block);
if (ret < 0) {
goto fail_block;
}
return new_block;
fail_table:
qemu_free(new_table);
fail_block:
s->refcount_block_cache_offset = 0;
return ret;
}
| true | qemu | 25408c09502be036e5575754fe54019ed4ed5dfa |
26,043 | static int parse_vtrk(AVFormatContext *s,
FourxmDemuxContext *fourxm, uint8_t *buf, int size)
{
AVStream *st;
/* check that there is enough data */
if (size != vtrk_SIZE) {
return AVERROR_INVALIDDATA;
}
/* allocate a new AVStream */
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 60, 1, fourxm->fps);
fourxm->video_stream_index = st->index;
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = AV_CODEC_ID_4XM;
st->codec->extradata_size = 4;
st->codec->extradata = av_malloc(4);
AV_WL32(st->codec->extradata, AV_RL32(buf + 16));
st->codec->width = AV_RL32(buf + 36);
st->codec->height = AV_RL32(buf + 40);
return 0;
}
| true | FFmpeg | 42d73f7f6bea0ee0f64a3ad4882860ce5b923a11 |
26,044 | void bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd)
{
if (bs->backing_hd) {
assert(bs->backing_blocker);
bdrv_op_unblock_all(bs->backing_hd, bs->backing_blocker);
} else if (backing_hd) {
error_setg(&bs->backing_blocker,
"device is used as backing hd of '%s'",
bdrv_get_device_name(bs));
}
bs->backing_hd = backing_hd;
if (!backing_hd) {
error_free(bs->backing_blocker);
bs->backing_blocker = NULL;
goto out;
}
bs->open_flags &= ~BDRV_O_NO_BACKING;
pstrcpy(bs->backing_file, sizeof(bs->backing_file), backing_hd->filename);
pstrcpy(bs->backing_format, sizeof(bs->backing_format),
backing_hd->drv ? backing_hd->drv->format_name : "");
bdrv_op_block_all(bs->backing_hd, bs->backing_blocker);
/* Otherwise we won't be able to commit due to check in bdrv_commit */
bdrv_op_unblock(bs->backing_hd, BLOCK_OP_TYPE_COMMIT,
bs->backing_blocker);
out:
bdrv_refresh_limits(bs, NULL);
}
| true | qemu | bb00021de0b5908bc2c3ca467ad9a2b0c9c36459 |
26,045 | static void scsi_command_complete(void *opaque, int ret)
{
SCSIGenericReq *r = (SCSIGenericReq *)opaque;
SCSIGenericState *s = DO_UPCAST(SCSIGenericState, qdev, r->req.dev);
r->req.aiocb = NULL;
s->driver_status = r->io_header.driver_status;
if (s->driver_status & SG_ERR_DRIVER_SENSE)
s->senselen = r->io_header.sb_len_wr;
if (ret != 0)
r->req.status = BUSY;
else {
if (s->driver_status & SG_ERR_DRIVER_TIMEOUT) {
r->req.status = BUSY;
BADF("Driver Timeout\n");
} else if (r->io_header.status)
r->req.status = r->io_header.status;
else if (s->driver_status & SG_ERR_DRIVER_SENSE)
r->req.status = CHECK_CONDITION;
else
r->req.status = GOOD;
}
DPRINTF("Command complete 0x%p tag=0x%x status=%d\n",
r, r->req.tag, r->req.status);
scsi_req_complete(&r->req);
}
| true | qemu | a1f0cce2ac0243572ff72aa561da67fe3766a395 |
26,046 | static int QEMU_WARN_UNUSED_RESULT update_refcount(BlockDriverState *bs,
int64_t offset,
int64_t length,
uint64_t addend,
bool decrease,
enum qcow2_discard_type type)
{
BDRVQcowState *s = bs->opaque;
int64_t start, last, cluster_offset;
uint16_t *refcount_block = NULL;
int64_t old_table_index = -1;
int ret;
#ifdef DEBUG_ALLOC2
fprintf(stderr, "update_refcount: offset=%" PRId64 " size=%" PRId64
" addend=%s%" PRIu64 "\n", offset, length, decrease ? "-" : "",
addend);
#endif
if (length < 0) {
return -EINVAL;
} else if (length == 0) {
return 0;
}
if (decrease) {
qcow2_cache_set_dependency(bs, s->refcount_block_cache,
s->l2_table_cache);
}
start = start_of_cluster(s, offset);
last = start_of_cluster(s, offset + length - 1);
for(cluster_offset = start; cluster_offset <= last;
cluster_offset += s->cluster_size)
{
int block_index;
uint64_t refcount;
int64_t cluster_index = cluster_offset >> s->cluster_bits;
int64_t table_index = cluster_index >> s->refcount_block_bits;
/* Load the refcount block and allocate it if needed */
if (table_index != old_table_index) {
if (refcount_block) {
ret = qcow2_cache_put(bs, s->refcount_block_cache,
(void**) &refcount_block);
if (ret < 0) {
goto fail;
}
}
ret = alloc_refcount_block(bs, cluster_index, &refcount_block);
if (ret < 0) {
goto fail;
}
}
old_table_index = table_index;
qcow2_cache_entry_mark_dirty(s->refcount_block_cache, refcount_block);
/* we can update the count and save it */
block_index = cluster_index & (s->refcount_block_size - 1);
refcount = be16_to_cpu(refcount_block[block_index]);
if (decrease ? (refcount - addend > refcount)
: (refcount + addend < refcount ||
refcount + addend > s->refcount_max))
{
ret = -EINVAL;
goto fail;
}
if (decrease) {
refcount -= addend;
} else {
refcount += addend;
}
if (refcount == 0 && cluster_index < s->free_cluster_index) {
s->free_cluster_index = cluster_index;
}
refcount_block[block_index] = cpu_to_be16(refcount);
if (refcount == 0 && s->discard_passthrough[type]) {
update_refcount_discard(bs, cluster_offset, s->cluster_size);
}
}
ret = 0;
fail:
if (!s->cache_discards) {
qcow2_process_discards(bs, ret);
}
/* Write last changed block to disk */
if (refcount_block) {
int wret;
wret = qcow2_cache_put(bs, s->refcount_block_cache,
(void**) &refcount_block);
if (wret < 0) {
return ret < 0 ? ret : wret;
}
}
/*
* Try do undo any updates if an error is returned (This may succeed in
* some cases like ENOSPC for allocating a new refcount block)
*/
if (ret < 0) {
int dummy;
dummy = update_refcount(bs, offset, cluster_offset - offset, addend,
!decrease, QCOW2_DISCARD_NEVER);
(void)dummy;
}
return ret;
}
| true | qemu | 7453c96b78c2b09aa72924f933bb9616e5474194 |
26,047 | int ff_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int buf_size)
{
GetBitContext gb;
int specific_config_bitindex;
init_get_bits(&gb, buf, buf_size*8);
c->object_type = get_object_type(&gb);
c->sample_rate = get_sample_rate(&gb, &c->sampling_index);
c->chan_config = get_bits(&gb, 4);
if (c->chan_config < FF_ARRAY_ELEMS(ff_mpeg4audio_channels))
c->channels = ff_mpeg4audio_channels[c->chan_config];
c->sbr = -1;
if (c->object_type == AOT_SBR || (c->object_type == AOT_PS &&
// check for W6132 Annex YYYY draft MP3onMP4
!(show_bits(&gb, 3) & 0x03 && !(show_bits(&gb, 9) & 0x3F)))) {
c->ext_object_type = AOT_SBR;
c->sbr = 1;
c->ext_sample_rate = get_sample_rate(&gb, &c->ext_sampling_index);
c->object_type = get_object_type(&gb);
if (c->object_type == AOT_ER_BSAC)
c->ext_chan_config = get_bits(&gb, 4);
} else {
c->ext_object_type = AOT_NULL;
c->ext_sample_rate = 0;
}
specific_config_bitindex = get_bits_count(&gb);
if (c->object_type == AOT_ALS) {
skip_bits(&gb, 5);
if (show_bits_long(&gb, 24) != MKBETAG('\0','A','L','S'))
skip_bits_long(&gb, 24);
specific_config_bitindex = get_bits_count(&gb);
if (parse_config_ALS(&gb, c))
return -1;
}
if (c->ext_object_type != AOT_SBR) {
int bits_left = buf_size*8 - get_bits_count(&gb);
for (; bits_left > 15; bits_left--) {
if (show_bits(&gb, 11) == 0x2b7) { // sync extension
get_bits(&gb, 11);
c->ext_object_type = get_object_type(&gb);
if (c->ext_object_type == AOT_SBR && (c->sbr = get_bits1(&gb)) == 1)
c->ext_sample_rate = get_sample_rate(&gb, &c->ext_sampling_index);
break;
} else
get_bits1(&gb); // skip 1 bit
}
}
return specific_config_bitindex;
}
| false | FFmpeg | 37216b99e090a88d98be57a8aab14a8316b96a71 |
26,048 | void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0, int nPbW,
int nPbH, int log2_cb_size, int part_idx,
int merge_idx, MvField *mv,
int mvp_lx_flag, int LX)
{
HEVCLocalContext *lc = s->HEVClc;
MvField *tab_mvf = s->ref->tab_mvf;
int isScaledFlag_L0 = 0;
int availableFlagLXA0 = 1;
int availableFlagLXB0 = 1;
int numMVPCandLX = 0;
int min_pu_width = s->sps->min_pu_width;
int xA0, yA0;
int is_available_a0;
int xA1, yA1;
int is_available_a1;
int xB0, yB0;
int is_available_b0;
int xB1, yB1;
int is_available_b1;
int xB2, yB2;
int is_available_b2;
Mv mvpcand_list[2] = { { 0 } };
Mv mxA;
Mv mxB;
int ref_idx_curr = 0;
int ref_idx = 0;
int pred_flag_index_l0;
int pred_flag_index_l1;
const int cand_bottom_left = lc->na.cand_bottom_left;
const int cand_left = lc->na.cand_left;
const int cand_up_left = lc->na.cand_up_left;
const int cand_up = lc->na.cand_up;
const int cand_up_right = lc->na.cand_up_right_sap;
ref_idx_curr = LX;
ref_idx = mv->ref_idx[LX];
pred_flag_index_l0 = LX;
pred_flag_index_l1 = !LX;
// left bottom spatial candidate
xA0 = x0 - 1;
yA0 = y0 + nPbH;
is_available_a0 = AVAILABLE(cand_bottom_left, A0) &&
yA0 < s->sps->height &&
PRED_BLOCK_AVAILABLE(A0);
//left spatial merge candidate
xA1 = x0 - 1;
yA1 = y0 + nPbH - 1;
is_available_a1 = AVAILABLE(cand_left, A1);
if (is_available_a0 || is_available_a1)
isScaledFlag_L0 = 1;
if (is_available_a0) {
if (MP_MX(A0, pred_flag_index_l0, mxA)) {
goto b_candidates;
}
if (MP_MX(A0, pred_flag_index_l1, mxA)) {
goto b_candidates;
}
}
if (is_available_a1) {
if (MP_MX(A1, pred_flag_index_l0, mxA)) {
goto b_candidates;
}
if (MP_MX(A1, pred_flag_index_l1, mxA)) {
goto b_candidates;
}
}
if (is_available_a0) {
if (MP_MX_LT(A0, pred_flag_index_l0, mxA)) {
goto b_candidates;
}
if (MP_MX_LT(A0, pred_flag_index_l1, mxA)) {
goto b_candidates;
}
}
if (is_available_a1) {
if (MP_MX_LT(A1, pred_flag_index_l0, mxA)) {
goto b_candidates;
}
if (MP_MX_LT(A1, pred_flag_index_l1, mxA)) {
goto b_candidates;
}
}
availableFlagLXA0 = 0;
b_candidates:
// B candidates
// above right spatial merge candidate
xB0 = x0 + nPbW;
yB0 = y0 - 1;
is_available_b0 = AVAILABLE(cand_up_right, B0) &&
xB0 < s->sps->width &&
PRED_BLOCK_AVAILABLE(B0);
// above spatial merge candidate
xB1 = x0 + nPbW - 1;
yB1 = y0 - 1;
is_available_b1 = AVAILABLE(cand_up, B1);
// above left spatial merge candidate
xB2 = x0 - 1;
yB2 = y0 - 1;
is_available_b2 = AVAILABLE(cand_up_left, B2);
// above right spatial merge candidate
if (is_available_b0) {
if (MP_MX(B0, pred_flag_index_l0, mxB)) {
goto scalef;
}
if (MP_MX(B0, pred_flag_index_l1, mxB)) {
goto scalef;
}
}
// above spatial merge candidate
if (is_available_b1) {
if (MP_MX(B1, pred_flag_index_l0, mxB)) {
goto scalef;
}
if (MP_MX(B1, pred_flag_index_l1, mxB)) {
goto scalef;
}
}
// above left spatial merge candidate
if (is_available_b2) {
if (MP_MX(B2, pred_flag_index_l0, mxB)) {
goto scalef;
}
if (MP_MX(B2, pred_flag_index_l1, mxB)) {
goto scalef;
}
}
availableFlagLXB0 = 0;
scalef:
if (!isScaledFlag_L0) {
if (availableFlagLXB0) {
availableFlagLXA0 = 1;
mxA = mxB;
}
availableFlagLXB0 = 0;
// XB0 and L1
if (is_available_b0) {
availableFlagLXB0 = MP_MX_LT(B0, pred_flag_index_l0, mxB);
if (!availableFlagLXB0)
availableFlagLXB0 = MP_MX_LT(B0, pred_flag_index_l1, mxB);
}
if (is_available_b1 && !availableFlagLXB0) {
availableFlagLXB0 = MP_MX_LT(B1, pred_flag_index_l0, mxB);
if (!availableFlagLXB0)
availableFlagLXB0 = MP_MX_LT(B1, pred_flag_index_l1, mxB);
}
if (is_available_b2 && !availableFlagLXB0) {
availableFlagLXB0 = MP_MX_LT(B2, pred_flag_index_l0, mxB);
if (!availableFlagLXB0)
availableFlagLXB0 = MP_MX_LT(B2, pred_flag_index_l1, mxB);
}
}
if (availableFlagLXA0)
mvpcand_list[numMVPCandLX++] = mxA;
if (availableFlagLXB0 && (!availableFlagLXA0 || mxA.x != mxB.x || mxA.y != mxB.y))
mvpcand_list[numMVPCandLX++] = mxB;
//temporal motion vector prediction candidate
if (numMVPCandLX < 2 && s->sh.slice_temporal_mvp_enabled_flag &&
mvp_lx_flag == numMVPCandLX) {
Mv mv_col;
int available_col = temporal_luma_motion_vector(s, x0, y0, nPbW,
nPbH, ref_idx,
&mv_col, LX);
if (available_col)
mvpcand_list[numMVPCandLX++] = mv_col;
}
mv->mv[LX] = mvpcand_list[mvp_lx_flag];
}
| false | FFmpeg | 97bb456b6b787bb36e2785072e604ba0db9a43df |
26,050 | static void pc_compat_2_0(MachineState *machine)
{
smbios_legacy_mode = true;
has_reserved_memory = false;
} | true | qemu | 07fb61760cdea7c3f1b9c897513986945bca8e89 |
26,051 | static CharDriverState *qemu_chr_open_msmouse(const char *id,
ChardevBackend *backend,
ChardevReturn *ret,
Error **errp)
{
ChardevCommon *common = backend->u.msmouse.data;
MouseState *mouse;
CharDriverState *chr;
chr = qemu_chr_alloc(common, errp);
chr->chr_write = msmouse_chr_write;
chr->chr_close = msmouse_chr_close;
chr->chr_accept_input = msmouse_chr_accept_input;
chr->explicit_be_open = true;
mouse = g_new0(MouseState, 1);
mouse->hs = qemu_input_handler_register((DeviceState *)mouse,
&msmouse_handler);
mouse->chr = chr;
chr->opaque = mouse;
return chr;
| true | qemu | 71200fb9664c2967a1cdd22b68b0da3a8b2b3eb7 |
26,052 | int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr)
{
#ifdef KVM_CAP_MCE
ram_addr_t ram_addr;
target_phys_addr_t paddr;
if ((env->mcg_cap & MCG_SER_P) && addr
&& (code == BUS_MCEERR_AR || code == BUS_MCEERR_AO)) {
if (qemu_ram_addr_from_host(addr, &ram_addr) ||
!kvm_physical_memory_addr_from_ram(env->kvm_state, ram_addr,
&paddr)) {
fprintf(stderr, "Hardware memory error for memory used by "
"QEMU itself instead of guest system!\n");
/* Hope we are lucky for AO MCE */
if (code == BUS_MCEERR_AO) {
return 0;
} else {
hardware_memory_error();
}
}
kvm_mce_inject(env, paddr, code);
} else
#endif /* KVM_CAP_MCE */
{
if (code == BUS_MCEERR_AO) {
return 0;
} else if (code == BUS_MCEERR_AR) {
hardware_memory_error();
} else {
return 1;
}
}
return 0;
} | true | qemu | 3c85e74fbf9e5a39d8d13ef91a5f3dd91f0bc8a8 |
26,053 | static int vc1_decode_intra_block(VC1Context *v, DCTELEM block[64], int n, int coded, int mquant, int codingset)
{
GetBitContext *gb = &v->s.gb;
MpegEncContext *s = &v->s;
int dc_pred_dir = 0; /* Direction of the DC prediction used */
int run_diff, i;
int16_t *dc_val;
int16_t *ac_val, *ac_val2;
int dcdiff;
int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
int a_avail = v->a_avail, c_avail = v->c_avail;
int use_pred = s->ac_pred;
int scale;
int q1, q2 = 0;
/* XXX: Guard against dumb values of mquant */
mquant = (mquant < 1) ? 0 : ( (mquant>31) ? 31 : mquant );
/* Set DC scale - y and c use the same */
s->y_dc_scale = s->y_dc_scale_table[mquant];
s->c_dc_scale = s->c_dc_scale_table[mquant];
/* Get DC differential */
if (n < 4) {
dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);
} else {
dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);
}
if (dcdiff < 0){
av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n");
return -1;
}
if (dcdiff)
{
if (dcdiff == 119 /* ESC index value */)
{
/* TODO: Optimize */
if (mquant == 1) dcdiff = get_bits(gb, 10);
else if (mquant == 2) dcdiff = get_bits(gb, 9);
else dcdiff = get_bits(gb, 8);
}
else
{
if (mquant == 1)
dcdiff = (dcdiff<<2) + get_bits(gb, 2) - 3;
else if (mquant == 2)
dcdiff = (dcdiff<<1) + get_bits(gb, 1) - 1;
}
if (get_bits(gb, 1))
dcdiff = -dcdiff;
}
/* Prediction */
dcdiff += vc1_pred_dc(&v->s, v->overlap, mquant, n, a_avail, c_avail, &dc_val, &dc_pred_dir);
*dc_val = dcdiff;
/* Store the quantized DC coeff, used for prediction */
if (n < 4) {
block[0] = dcdiff * s->y_dc_scale;
} else {
block[0] = dcdiff * s->c_dc_scale;
}
/* Skip ? */
run_diff = 0;
i = 0;
//AC Decoding
i = 1;
/* check if AC is needed at all and adjust direction if needed */
if(!a_avail) dc_pred_dir = 1;
if(!c_avail) dc_pred_dir = 0;
if(!a_avail && !c_avail) use_pred = 0;
ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
ac_val2 = ac_val;
scale = mquant * 2 + v->halfpq;
if(dc_pred_dir) //left
ac_val -= 16;
else //top
ac_val -= 16 * s->block_wrap[n];
q1 = s->current_picture.qscale_table[mb_pos];
if(dc_pred_dir && c_avail) q2 = s->current_picture.qscale_table[mb_pos - 1];
if(!dc_pred_dir && a_avail) q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride];
if(n && n<4) q2 = q1;
if(coded) {
int last = 0, skip, value;
const int8_t *zz_table;
int k;
zz_table = vc1_simple_progressive_8x8_zz;
while (!last) {
vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
i += skip;
if(i > 63)
break;
block[zz_table[i++]] = value;
}
/* apply AC prediction if needed */
if(use_pred) {
/* scale predictors if needed*/
if(q2 && q1!=q2) {
q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
if(dc_pred_dir) { //left
for(k = 1; k < 8; k++)
block[k << 3] += (ac_val[k] * q2 * vc1_dqscale[q1 - 1] + 0x20000) >> 18;
} else { //top
for(k = 1; k < 8; k++)
block[k] += (ac_val[k + 8] * q2 * vc1_dqscale[q1 - 1] + 0x20000) >> 18;
}
} else {
if(dc_pred_dir) { //left
for(k = 1; k < 8; k++)
block[k << 3] += ac_val[k];
} else { //top
for(k = 1; k < 8; k++)
block[k] += ac_val[k + 8];
}
}
}
/* save AC coeffs for further prediction */
for(k = 1; k < 8; k++) {
ac_val2[k] = block[k << 3];
ac_val2[k + 8] = block[k];
}
/* scale AC coeffs */
for(k = 1; k < 64; k++)
if(block[k]) {
block[k] *= scale;
if(!v->pquantizer)
block[k] += (block[k] < 0) ? -mquant : mquant;
}
if(use_pred) i = 63;
} else { // no AC coeffs
int k;
memset(ac_val2, 0, 16 * 2);
if(dc_pred_dir) {//left
if(use_pred) {
memcpy(ac_val2, ac_val, 8 * 2);
if(q2 && q1!=q2) {
q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
for(k = 1; k < 8; k++)
ac_val2[k] = (ac_val2[k] * q2 * vc1_dqscale[q1 - 1] + 0x20000) >> 18;
}
}
} else {//top
if(use_pred) {
memcpy(ac_val2 + 8, ac_val + 8, 8 * 2);
if(q2 && q1!=q2) {
q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
for(k = 1; k < 8; k++)
ac_val2[k + 8] = (ac_val2[k + 8] * q2 * vc1_dqscale[q1 - 1] + 0x20000) >> 18;
}
}
}
/* apply AC prediction if needed */
if(use_pred) {
if(dc_pred_dir) { //left
for(k = 1; k < 8; k++) {
block[k << 3] = ac_val2[k] * scale;
if(!v->pquantizer && block[k << 3])
block[k << 3] += (block[k << 3] < 0) ? -mquant : mquant;
}
} else { //top
for(k = 1; k < 8; k++) {
block[k] = ac_val2[k + 8] * scale;
if(!v->pquantizer && block[k])
block[k] += (block[k] < 0) ? -mquant : mquant;
}
}
i = 63;
}
}
s->block_last_index[n] = i;
return 0;
}
| true | FFmpeg | 6f3e4e1712260ef8c5b4754d781ccd80bcfa1d0c |
26,054 | static int can_safely_read(GetBitContext* gb, uint64_t bits) {
return get_bits_left(gb) >= bits;
}
| false | FFmpeg | e494f44c051d7dccc038a603ab22532b87dd1705 |
26,055 | static int tta_probe(AVProbeData *p)
{
const uint8_t *d = p->buf;
if (p->buf_size < 4)
return 0;
if (d[0] == 'T' && d[1] == 'T' && d[2] == 'A' && d[3] == '1')
return 80;
return 0;
}
| false | FFmpeg | 87e8788680e16c51f6048af26f3f7830c35207a5 |
26,056 | static void qcow2_cache_table_release(BlockDriverState *bs, Qcow2Cache *c,
int i, int num_tables)
{
/* Using MADV_DONTNEED to discard memory is a Linux-specific feature */
#ifdef CONFIG_LINUX
BDRVQcow2State *s = bs->opaque;
void *t = qcow2_cache_get_table_addr(bs, c, i);
int align = getpagesize();
size_t mem_size = (size_t) s->cluster_size * num_tables;
size_t offset = QEMU_ALIGN_UP((uintptr_t) t, align) - (uintptr_t) t;
size_t length = QEMU_ALIGN_DOWN(mem_size - offset, align);
if (length > 0) {
madvise((uint8_t *) t + offset, length, MADV_DONTNEED);
}
#endif
}
| false | qemu | 08546bcfb260c28141e27cf3367c443528602fc0 |
26,057 | static void qpi_init(void)
{
kqemu_comm_base = 0xff000000 | 1;
qpi_io_memory = cpu_register_io_memory(
qpi_mem_read,
qpi_mem_write, NULL);
cpu_register_physical_memory(kqemu_comm_base & ~0xfff,
0x1000, qpi_io_memory);
}
| false | qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 |
26,058 | tight_detect_smooth_image(VncState *vs, int w, int h)
{
uint errors;
int compression = vs->tight.compression;
int quality = vs->tight.quality;
if (!vs->vd->lossy) {
return 0;
}
if (ds_get_bytes_per_pixel(vs->ds) == 1 ||
vs->clientds.pf.bytes_per_pixel == 1 ||
w < VNC_TIGHT_DETECT_MIN_WIDTH || h < VNC_TIGHT_DETECT_MIN_HEIGHT) {
return 0;
}
if (vs->tight.quality != -1) {
if (w * h < VNC_TIGHT_JPEG_MIN_RECT_SIZE) {
return 0;
}
} else {
if (w * h < tight_conf[compression].gradient_min_rect_size) {
return 0;
}
}
if (vs->clientds.pf.bytes_per_pixel == 4) {
if (vs->tight.pixel24) {
errors = tight_detect_smooth_image24(vs, w, h);
if (vs->tight.quality != -1) {
return (errors < tight_conf[quality].jpeg_threshold24);
}
return (errors < tight_conf[compression].gradient_threshold24);
} else {
errors = tight_detect_smooth_image32(vs, w, h);
}
} else {
errors = tight_detect_smooth_image16(vs, w, h);
}
if (quality != -1) {
return (errors < tight_conf[quality].jpeg_threshold);
}
return (errors < tight_conf[compression].gradient_threshold);
}
| false | qemu | 7bccf57383cca60a778d5c543ac80c9f62d89ef2 |
26,060 | static void list_formats(AVFormatContext *ctx, int type)
{
const struct video_data *s = ctx->priv_data;
struct v4l2_fmtdesc vfd = { .type = V4L2_BUF_TYPE_VIDEO_CAPTURE };
while(!v4l2_ioctl(s->fd, VIDIOC_ENUM_FMT, &vfd)) {
enum AVCodecID codec_id = avpriv_fmt_v4l2codec(vfd.pixelformat);
enum AVPixelFormat pix_fmt = avpriv_fmt_v4l2ff(vfd.pixelformat, codec_id);
vfd.index++;
if (!(vfd.flags & V4L2_FMT_FLAG_COMPRESSED) &&
type & V4L_RAWFORMATS) {
const char *fmt_name = av_get_pix_fmt_name(pix_fmt);
av_log(ctx, AV_LOG_INFO, "Raw : %9s : %20s :",
fmt_name ? fmt_name : "Unsupported",
vfd.description);
} else if (vfd.flags & V4L2_FMT_FLAG_COMPRESSED &&
type & V4L_COMPFORMATS) {
AVCodec *codec = avcodec_find_decoder(codec_id);
av_log(ctx, AV_LOG_INFO, "Compressed: %9s : %20s :",
codec ? codec->name : "Unsupported",
vfd.description);
} else {
continue;
}
#ifdef V4L2_FMT_FLAG_EMULATED
if (vfd.flags & V4L2_FMT_FLAG_EMULATED)
av_log(ctx, AV_LOG_INFO, " Emulated :");
#endif
#if HAVE_STRUCT_V4L2_FRMIVALENUM_DISCRETE
list_framesizes(ctx, vfd.pixelformat);
#endif
av_log(ctx, AV_LOG_INFO, "\n");
}
}
| false | FFmpeg | 931da6a5e9dd54563fe5d4d30b7bd4d0a0218c87 |
26,062 | static CharDriverState *qemu_chr_open_pp_fd(int fd, Error **errp)
{
CharDriverState *chr;
ParallelCharDriver *drv;
if (ioctl(fd, PPCLAIM) < 0) {
error_setg_errno(errp, errno, "not a parallel port");
close(fd);
return NULL;
}
drv = g_new0(ParallelCharDriver, 1);
drv->fd = fd;
drv->mode = IEEE1284_MODE_COMPAT;
chr = qemu_chr_alloc();
chr->chr_write = null_chr_write;
chr->chr_ioctl = pp_ioctl;
chr->chr_close = pp_close;
chr->opaque = drv;
return chr;
}
| false | qemu | d0d7708ba29cbcc343364a46bff981e0ff88366f |
26,063 | static QError *qerror_from_info(const char *fmt, va_list *va)
{
QError *qerr;
qerr = qerror_new();
loc_save(&qerr->loc);
qerr->error = error_obj_from_fmt_no_fail(fmt, va);
qerr->err_msg = qerror_format(fmt, qerr->error);
return qerr;
}
| false | qemu | 13f59ae8157e8ec238fa8aefe5309909a1eeb7e2 |
26,064 | static void unblock_io_signals(void)
{
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGUSR2);
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
sigemptyset(&set);
sigaddset(&set, SIGUSR1);
pthread_sigmask(SIG_BLOCK, &set, NULL);
}
| false | qemu | cc84de9570ffe01a9c3c169bd62ab9586a9a080c |
26,065 | float32 helper_fqtos(CPUSPARCState *env)
{
float32 ret;
clear_float_exceptions(env);
ret = float128_to_float32(QT1, &env->fp_status);
check_ieee_exceptions(env);
return ret;
}
| false | qemu | 7385aed20db5d83979f683b9d0048674411e963c |
26,066 | float32 float32_round_to_int( float32 a STATUS_PARAM)
{
flag aSign;
int16 aExp;
bits32 lastBitMask, roundBitsMask;
int8 roundingMode;
float32 z;
aExp = extractFloat32Exp( a );
if ( 0x96 <= aExp ) {
if ( ( aExp == 0xFF ) && extractFloat32Frac( a ) ) {
return propagateFloat32NaN( a, a STATUS_VAR );
}
return a;
}
if ( aExp <= 0x7E ) {
if ( (bits32) ( a<<1 ) == 0 ) return a;
STATUS(float_exception_flags) |= float_flag_inexact;
aSign = extractFloat32Sign( a );
switch ( STATUS(float_rounding_mode) ) {
case float_round_nearest_even:
if ( ( aExp == 0x7E ) && extractFloat32Frac( a ) ) {
return packFloat32( aSign, 0x7F, 0 );
}
break;
case float_round_down:
return aSign ? 0xBF800000 : 0;
case float_round_up:
return aSign ? 0x80000000 : 0x3F800000;
}
return packFloat32( aSign, 0, 0 );
}
lastBitMask = 1;
lastBitMask <<= 0x96 - aExp;
roundBitsMask = lastBitMask - 1;
z = a;
roundingMode = STATUS(float_rounding_mode);
if ( roundingMode == float_round_nearest_even ) {
z += lastBitMask>>1;
if ( ( z & roundBitsMask ) == 0 ) z &= ~ lastBitMask;
}
else if ( roundingMode != float_round_to_zero ) {
if ( extractFloat32Sign( z ) ^ ( roundingMode == float_round_up ) ) {
z += roundBitsMask;
}
}
z &= ~ roundBitsMask;
if ( z != a ) STATUS(float_exception_flags) |= float_flag_inexact;
return z;
}
| false | qemu | f090c9d4ad5812fb92843d6470a1111c15190c4c |
26,067 | static void do_drive_backup(DriveBackup *backup, BlockJobTxn *txn, Error **errp)
{
BlockDriverState *bs;
BlockDriverState *target_bs;
BlockDriverState *source = NULL;
BdrvDirtyBitmap *bmap = NULL;
AioContext *aio_context;
QDict *options = NULL;
Error *local_err = NULL;
int flags;
int64_t size;
if (!backup->has_speed) {
backup->speed = 0;
}
if (!backup->has_on_source_error) {
backup->on_source_error = BLOCKDEV_ON_ERROR_REPORT;
}
if (!backup->has_on_target_error) {
backup->on_target_error = BLOCKDEV_ON_ERROR_REPORT;
}
if (!backup->has_mode) {
backup->mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
}
if (!backup->has_job_id) {
backup->job_id = NULL;
}
bs = qmp_get_root_bs(backup->device, errp);
if (!bs) {
return;
}
aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
if (!backup->has_format) {
backup->format = backup->mode == NEW_IMAGE_MODE_EXISTING ?
NULL : (char*) bs->drv->format_name;
}
/* Early check to avoid creating target */
if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_BACKUP_SOURCE, errp)) {
goto out;
}
flags = bs->open_flags | BDRV_O_RDWR;
/* See if we have a backing HD we can use to create our new image
* on top of. */
if (backup->sync == MIRROR_SYNC_MODE_TOP) {
source = backing_bs(bs);
if (!source) {
backup->sync = MIRROR_SYNC_MODE_FULL;
}
}
if (backup->sync == MIRROR_SYNC_MODE_NONE) {
source = bs;
}
size = bdrv_getlength(bs);
if (size < 0) {
error_setg_errno(errp, -size, "bdrv_getlength failed");
goto out;
}
if (backup->mode != NEW_IMAGE_MODE_EXISTING) {
assert(backup->format);
if (source) {
bdrv_img_create(backup->target, backup->format, source->filename,
source->drv->format_name, NULL,
size, flags, &local_err, false);
} else {
bdrv_img_create(backup->target, backup->format, NULL, NULL, NULL,
size, flags, &local_err, false);
}
}
if (local_err) {
error_propagate(errp, local_err);
goto out;
}
if (backup->format) {
options = qdict_new();
qdict_put(options, "driver", qstring_from_str(backup->format));
}
target_bs = bdrv_open(backup->target, NULL, options, flags, errp);
if (!target_bs) {
goto out;
}
bdrv_set_aio_context(target_bs, aio_context);
if (backup->has_bitmap) {
bmap = bdrv_find_dirty_bitmap(bs, backup->bitmap);
if (!bmap) {
error_setg(errp, "Bitmap '%s' could not be found", backup->bitmap);
bdrv_unref(target_bs);
goto out;
}
}
backup_start(backup->job_id, bs, target_bs, backup->speed, backup->sync,
bmap, backup->on_source_error, backup->on_target_error,
block_job_cb, bs, txn, &local_err);
bdrv_unref(target_bs);
if (local_err != NULL) {
error_propagate(errp, local_err);
goto out;
}
out:
aio_context_release(aio_context);
}
| false | qemu | 13b9414b5798539e2dbb87a570d96184fe21edf4 |
26,068 | static int encrypt_sectors(BDRVQcowState *s, int64_t sector_num,
uint8_t *buf, int nb_sectors, bool enc,
Error **errp)
{
union {
uint64_t ll[2];
uint8_t b[16];
} ivec;
int i;
int ret;
for(i = 0; i < nb_sectors; i++) {
ivec.ll[0] = cpu_to_le64(sector_num);
ivec.ll[1] = 0;
if (qcrypto_cipher_setiv(s->cipher,
ivec.b, G_N_ELEMENTS(ivec.b),
errp) < 0) {
return -1;
}
if (enc) {
ret = qcrypto_cipher_encrypt(s->cipher,
buf, buf,
512,
errp);
} else {
ret = qcrypto_cipher_decrypt(s->cipher,
buf, buf,
512,
errp);
}
if (ret < 0) {
return -1;
}
sector_num++;
buf += 512;
}
return 0;
}
| false | qemu | d85f4222b4681da7ebf8a90b26e085a68fa2c55a |
26,070 | static void nbd_teardown_connection(BlockDriverState *bs)
{
NBDClientSession *client = nbd_get_client_session(bs);
if (!client->ioc) { /* Already closed */
return;
}
/* finish any pending coroutines */
qio_channel_shutdown(client->ioc,
QIO_CHANNEL_SHUTDOWN_BOTH,
NULL);
nbd_recv_coroutines_enter_all(bs);
nbd_client_detach_aio_context(bs);
object_unref(OBJECT(client->sioc));
client->sioc = NULL;
object_unref(OBJECT(client->ioc));
client->ioc = NULL;
}
| false | qemu | a12a712a7dfbd2e2f4882ef2c90a9b2162166dd7 |
26,071 | static int cinepak_decode_strip (CinepakContext *s,
cvid_strip *strip, const uint8_t *data, int size)
{
const uint8_t *eod = (data + size);
int chunk_id, chunk_size;
/* coordinate sanity checks */
if (strip->x1 >= s->width || strip->x2 > s->width ||
strip->y1 >= s->height || strip->y2 > s->height ||
strip->x1 >= strip->x2 || strip->y1 >= strip->y2)
return -1;
while ((data + 4) <= eod) {
chunk_id = data[0];
chunk_size = AV_RB24 (&data[1]) - 4;
if(chunk_size < 0)
return -1;
data += 4;
chunk_size = ((data + chunk_size) > eod) ? (eod - data) : chunk_size;
switch (chunk_id) {
case 0x20:
case 0x21:
case 0x24:
case 0x25:
cinepak_decode_codebook (strip->v4_codebook, chunk_id,
chunk_size, data);
break;
case 0x22:
case 0x23:
case 0x26:
case 0x27:
cinepak_decode_codebook (strip->v1_codebook, chunk_id,
chunk_size, data);
break;
case 0x30:
case 0x31:
case 0x32:
return cinepak_decode_vectors (s, strip, chunk_id,
chunk_size, data);
}
data += chunk_size;
}
return -1;
}
| false | FFmpeg | 7056f13a89da1d1f4afd5c6342e7ca6824777125 |
26,072 | static int coroutine_fn bdrv_driver_pwritev(BlockDriverState *bs,
uint64_t offset, uint64_t bytes,
QEMUIOVector *qiov, int flags)
{
BlockDriver *drv = bs->drv;
int64_t sector_num = offset >> BDRV_SECTOR_BITS;
unsigned int nb_sectors = bytes >> BDRV_SECTOR_BITS;
int ret;
assert((offset & (BDRV_SECTOR_SIZE - 1)) == 0);
assert((bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
assert((bytes >> BDRV_SECTOR_BITS) <= BDRV_REQUEST_MAX_SECTORS);
if (drv->bdrv_co_writev_flags) {
ret = drv->bdrv_co_writev_flags(bs, sector_num, nb_sectors, qiov,
flags);
} else {
assert(drv->supported_write_flags == 0);
ret = drv->bdrv_co_writev(bs, sector_num, nb_sectors, qiov);
}
if (ret == 0 && (flags & BDRV_REQ_FUA) &&
!(drv->supported_write_flags & BDRV_REQ_FUA))
{
ret = bdrv_co_flush(bs);
}
return ret;
}
| false | qemu | 08844473820c93541fc47bdfeae0f2cc88cfab59 |
26,073 | static void ss10_init(int ram_size, int vga_ram_size, int boot_device,
DisplayState *ds, const char **fd_filename, int snapshot,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
if (cpu_model == NULL)
cpu_model = "TI SuperSparc II";
sun4m_common_init(ram_size, boot_device, ds, kernel_filename,
kernel_cmdline, initrd_filename, cpu_model,
1, PROM_ADDR); // XXX prom overlap, actually first 4GB ok
}
| false | qemu | b3ceef24f4fee8d5ed96b8c4a5d3e80c0a651f0b |
26,074 | static uint64_t bonito_readl(void *opaque, target_phys_addr_t addr,
unsigned size)
{
PCIBonitoState *s = opaque;
uint32_t saddr;
saddr = (addr - BONITO_REGBASE) >> 2;
DPRINTF("bonito_readl "TARGET_FMT_plx"\n", addr);
switch (saddr) {
case BONITO_INTISR:
return s->regs[saddr];
default:
return s->regs[saddr];
}
}
| false | qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c |
26,076 | static int ast_write_header(AVFormatContext *s)
{
ASTMuxContext *ast = s->priv_data;
AVIOContext *pb = s->pb;
AVCodecContext *enc;
unsigned int codec_tag;
if (s->nb_streams == 1) {
enc = s->streams[0]->codec;
} else {
av_log(s, AV_LOG_ERROR, "only one stream is supported\n");
return AVERROR(EINVAL);
}
if (enc->codec_id == AV_CODEC_ID_ADPCM_AFC) {
av_log(s, AV_LOG_ERROR, "muxing ADPCM AFC is not implemented\n");
return AVERROR_PATCHWELCOME;
}
codec_tag = ff_codec_get_tag(ff_codec_ast_tags, enc->codec_id);
if (!codec_tag) {
av_log(s, AV_LOG_ERROR, "unsupported codec\n");
return AVERROR(EINVAL);
}
if (ast->loopstart && ast->loopend && ast->loopstart >= ast->loopend) {
av_log(s, AV_LOG_ERROR, "loopend can't be less or equal to loopstart\n");
return AVERROR(EINVAL);
}
/* Convert milliseconds to samples */
CHECK_LOOP(start)
CHECK_LOOP(end)
ffio_wfourcc(pb, "STRM");
ast->size = avio_tell(pb);
avio_wb32(pb, 0); /* File size minus header */
avio_wb16(pb, codec_tag);
avio_wb16(pb, 16); /* Bit depth */
avio_wb16(pb, enc->channels);
avio_wb16(pb, 0xFFFF);
avio_wb32(pb, enc->sample_rate);
ast->samples = avio_tell(pb);
avio_wb32(pb, 0); /* Number of samples */
avio_wb32(pb, 0); /* Loopstart */
avio_wb32(pb, 0); /* Loopend */
avio_wb32(pb, 0); /* Size of first block */
/* Unknown */
avio_wb32(pb, 0);
avio_wl32(pb, 0x7F);
avio_wb64(pb, 0);
avio_wb64(pb, 0);
avio_wb32(pb, 0);
avio_flush(pb);
return 0;
}
| false | FFmpeg | b7d77f8e64d5e30982671e861f63654709111a8e |
26,077 | static int read_old_huffman_tables(HYuvContext *s)
{
GetBitContext gb;
int i;
init_get_bits(&gb, classic_shift_luma,
classic_shift_luma_table_size * 8);
if (read_len_table(s->len[0], &gb) < 0)
return -1;
init_get_bits(&gb, classic_shift_chroma,
classic_shift_chroma_table_size * 8);
if (read_len_table(s->len[1], &gb) < 0)
return -1;
for(i=0; i<256; i++) s->bits[0][i] = classic_add_luma [i];
for(i=0; i<256; i++) s->bits[1][i] = classic_add_chroma[i];
if (s->bitstream_bpp >= 24) {
memcpy(s->bits[1], s->bits[0], 256 * sizeof(uint32_t));
memcpy(s->len[1] , s->len [0], 256 * sizeof(uint8_t));
}
memcpy(s->bits[2], s->bits[1], 256 * sizeof(uint32_t));
memcpy(s->len[2] , s->len [1], 256 * sizeof(uint8_t));
for (i = 0; i < 3; i++) {
ff_free_vlc(&s->vlc[i]);
init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1,
s->bits[i], 4, 4, 0);
}
generate_joint_tables(s);
return 0;
}
| false | FFmpeg | f67a0d115254461649470452058fa3c28c0df294 |
26,078 | static void pc_init_isa(MachineState *machine)
{
has_pci_info = false;
has_acpi_build = false;
smbios_defaults = false;
if (!machine->cpu_model) {
machine->cpu_model = "486";
}
x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
enable_compat_apic_id_mode();
pc_init1(machine, 0, 1);
} | true | qemu | 5f8632d3c3d7bc5ef24166ba7cf90fcfb2adbf7d |
26,079 | static int decode_ics_info(AACContext *ac, IndividualChannelStream *ics,
GetBitContext *gb)
{
const MPEG4AudioConfig *const m4ac = &ac->oc[1].m4ac;
const int aot = m4ac->object_type;
const int sampling_index = m4ac->sampling_index;
if (aot != AOT_ER_AAC_ELD) {
if (get_bits1(gb)) {
av_log(ac->avctx, AV_LOG_ERROR, "Reserved bit set.\n");
return AVERROR_INVALIDDATA;
}
ics->window_sequence[1] = ics->window_sequence[0];
ics->window_sequence[0] = get_bits(gb, 2);
if (aot == AOT_ER_AAC_LD &&
ics->window_sequence[0] != ONLY_LONG_SEQUENCE) {
av_log(ac->avctx, AV_LOG_ERROR,
"AAC LD is only defined for ONLY_LONG_SEQUENCE but "
"window sequence %d found.\n", ics->window_sequence[0]);
ics->window_sequence[0] = ONLY_LONG_SEQUENCE;
return AVERROR_INVALIDDATA;
}
ics->use_kb_window[1] = ics->use_kb_window[0];
ics->use_kb_window[0] = get_bits1(gb);
}
ics->num_window_groups = 1;
ics->group_len[0] = 1;
if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
int i;
ics->max_sfb = get_bits(gb, 4);
for (i = 0; i < 7; i++) {
if (get_bits1(gb)) {
ics->group_len[ics->num_window_groups - 1]++;
} else {
ics->num_window_groups++;
ics->group_len[ics->num_window_groups - 1] = 1;
}
}
ics->num_windows = 8;
ics->swb_offset = ff_swb_offset_128[sampling_index];
ics->num_swb = ff_aac_num_swb_128[sampling_index];
ics->tns_max_bands = ff_tns_max_bands_128[sampling_index];
ics->predictor_present = 0;
} else {
ics->max_sfb = get_bits(gb, 6);
ics->num_windows = 1;
if (aot == AOT_ER_AAC_LD || aot == AOT_ER_AAC_ELD) {
if (m4ac->frame_length_short) {
ics->swb_offset = ff_swb_offset_480[sampling_index];
ics->num_swb = ff_aac_num_swb_480[sampling_index];
ics->tns_max_bands = ff_tns_max_bands_480[sampling_index];
} else {
ics->swb_offset = ff_swb_offset_512[sampling_index];
ics->num_swb = ff_aac_num_swb_512[sampling_index];
ics->tns_max_bands = ff_tns_max_bands_512[sampling_index];
}
if (!ics->num_swb || !ics->swb_offset)
return AVERROR_BUG;
} else {
ics->swb_offset = ff_swb_offset_1024[sampling_index];
ics->num_swb = ff_aac_num_swb_1024[sampling_index];
ics->tns_max_bands = ff_tns_max_bands_1024[sampling_index];
}
if (aot != AOT_ER_AAC_ELD) {
ics->predictor_present = get_bits1(gb);
ics->predictor_reset_group = 0;
}
if (ics->predictor_present) {
if (aot == AOT_AAC_MAIN) {
if (decode_prediction(ac, ics, gb)) {
return AVERROR_INVALIDDATA;
}
} else if (aot == AOT_AAC_LC ||
aot == AOT_ER_AAC_LC) {
av_log(ac->avctx, AV_LOG_ERROR,
"Prediction is not allowed in AAC-LC.\n");
return AVERROR_INVALIDDATA;
} else {
if (aot == AOT_ER_AAC_LD) {
av_log(ac->avctx, AV_LOG_ERROR,
"LTP in ER AAC LD not yet implemented.\n");
return AVERROR_PATCHWELCOME;
}
if ((ics->ltp.present = get_bits(gb, 1)))
decode_ltp(&ics->ltp, gb, ics->max_sfb);
}
}
}
if (ics->max_sfb > ics->num_swb) {
av_log(ac->avctx, AV_LOG_ERROR,
"Number of scalefactor bands in group (%d) "
"exceeds limit (%d).\n",
ics->max_sfb, ics->num_swb);
return AVERROR_INVALIDDATA;
}
return 0;
}
| true | FFmpeg | 87e85a133f3ce2f037b90e9c7bbca99951df6c15 |
26,080 | static void dvbsub_parse_region_segment(AVCodecContext *avctx,
uint8_t *buf, int buf_size)
{
DVBSubContext *ctx = (DVBSubContext*) avctx->priv_data;
uint8_t *buf_end = buf + buf_size;
int region_id, object_id;
DVBSubRegion *region;
DVBSubObject *object;
DVBSubObjectDisplay *display;
int fill;
if (buf_size < 10)
return;
region_id = *buf++;
region = get_region(ctx, region_id);
if (region == NULL)
{
region = av_mallocz(sizeof(DVBSubRegion));
region->id = region_id;
region->next = ctx->region_list;
ctx->region_list = region;
fill = ((*buf++) >> 3) & 1;
region->width = AV_RB16(buf);
buf += 2;
region->height = AV_RB16(buf);
buf += 2;
if (region->width * region->height != region->buf_size) {
if (region->pbuf != 0)
av_free(region->pbuf);
region->buf_size = region->width * region->height;
region->pbuf = av_malloc(region->buf_size);
fill = 1;
region->depth = 1 << (((*buf++) >> 2) & 7);
region->clut = *buf++;
if (region->depth == 8)
region->bgcolour = *buf++;
else {
buf += 1;
if (region->depth == 4)
region->bgcolour = (((*buf++) >> 4) & 15);
else
region->bgcolour = (((*buf++) >> 2) & 3);
#ifdef DEBUG
av_log(avctx, AV_LOG_INFO, "Region %d, (%dx%d)\n", region_id, region->width, region->height);
#endif
if (fill) {
memset(region->pbuf, region->bgcolour, region->buf_size);
#ifdef DEBUG
av_log(avctx, AV_LOG_INFO, "Fill region (%d)\n", region->bgcolour);
#endif
delete_region_display_list(ctx, region);
while (buf + 5 < buf_end) {
object_id = AV_RB16(buf);
buf += 2;
object = get_object(ctx, object_id);
if (object == NULL) {
object = av_mallocz(sizeof(DVBSubObject));
object->id = object_id;
object->next = ctx->object_list;
ctx->object_list = object;
object->type = (*buf) >> 6;
display = av_mallocz(sizeof(DVBSubObjectDisplay));
display->object_id = object_id;
display->region_id = region_id;
display->x_pos = AV_RB16(buf) & 0xfff;
buf += 2;
display->y_pos = AV_RB16(buf) & 0xfff;
buf += 2;
if ((object->type == 1 || object->type == 2) && buf+1 < buf_end) {
display->fgcolour = *buf++;
display->bgcolour = *buf++;
display->region_list_next = region->display_list;
region->display_list = display;
display->object_list_next = object->display_list;
object->display_list = display;
| true | FFmpeg | 2867ed9b1c0561b0e50d9c4f73e09621333e2f1f |
26,081 | int ff_unlock_avcodec(const AVCodec *codec)
{
if (codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE || !codec->init)
return 0;
av_assert0(ff_avcodec_locked);
ff_avcodec_locked = 0;
atomic_fetch_add(&entangled_thread_counter, -1);
if (lockmgr_cb) {
if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE))
return -1;
}
return 0;
}
| true | FFmpeg | a04c2c707de2ce850f79870e84ac9d7ec7aa9143 |
26,082 | static inline void copy(LZOContext *c, int cnt)
{
register const uint8_t *src = c->in;
register uint8_t *dst = c->out;
if (cnt > c->in_end - src) {
cnt = FFMAX(c->in_end - src, 0);
c->error |= AV_LZO_INPUT_DEPLETED;
}
if (cnt > c->out_end - dst) {
cnt = FFMAX(c->out_end - dst, 0);
c->error |= AV_LZO_OUTPUT_FULL;
}
#if defined(INBUF_PADDED) && defined(OUTBUF_PADDED)
AV_COPY32U(dst, src);
src += 4;
dst += 4;
cnt -= 4;
if (cnt > 0)
#endif
memcpy(dst, src, cnt);
c->in = src + cnt;
c->out = dst + cnt;
} | true | FFmpeg | cf2b7c01f81c1fb3283a1390c0ca9a2f81f4f4a8 |
26,083 | static int mxf_read_generic_descriptor(void *arg, AVIOContext *pb, int tag, int size, UID uid)
{
MXFDescriptor *descriptor = arg;
switch(tag) {
case 0x3F01:
descriptor->sub_descriptors_count = avio_rb32(pb);
if (descriptor->sub_descriptors_count >= UINT_MAX / sizeof(UID))
return -1;
descriptor->sub_descriptors_refs = av_malloc(descriptor->sub_descriptors_count * sizeof(UID));
if (!descriptor->sub_descriptors_refs)
return -1;
avio_skip(pb, 4); /* useless size of objects, always 16 according to specs */
avio_read(pb, (uint8_t *)descriptor->sub_descriptors_refs, descriptor->sub_descriptors_count * sizeof(UID));
break;
case 0x3004:
avio_read(pb, descriptor->essence_container_ul, 16);
break;
case 0x3006:
descriptor->linked_track_id = avio_rb32(pb);
break;
case 0x3201: /* PictureEssenceCoding */
avio_read(pb, descriptor->essence_codec_ul, 16);
break;
case 0x3203:
descriptor->width = avio_rb32(pb);
break;
case 0x3202:
descriptor->height = avio_rb32(pb);
break;
case 0x320E:
descriptor->aspect_ratio.num = avio_rb32(pb);
descriptor->aspect_ratio.den = avio_rb32(pb);
break;
case 0x3D03:
descriptor->sample_rate.num = avio_rb32(pb);
descriptor->sample_rate.den = avio_rb32(pb);
break;
case 0x3D06: /* SoundEssenceCompression */
avio_read(pb, descriptor->essence_codec_ul, 16);
break;
case 0x3D07:
descriptor->channels = avio_rb32(pb);
break;
case 0x3D01:
descriptor->bits_per_sample = avio_rb32(pb);
break;
case 0x3401:
mxf_read_pixel_layout(pb, descriptor);
break;
default:
/* Private uid used by SONY C0023S01.mxf */
if (IS_KLV_KEY(uid, mxf_sony_mpeg4_extradata)) {
descriptor->extradata = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!descriptor->extradata)
return -1;
descriptor->extradata_size = size;
avio_read(pb, descriptor->extradata, size);
}
break;
}
return 0;
}
| true | FFmpeg | fd34dbea58e097609ff09cf7dcc59f74930195d3 |
26,084 | static int fir_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs)
{
AudioFIRContext *s = ctx->priv;
const float *src = (const float *)s->in[0]->extended_data[ch];
int index1 = (s->index + 1) % 3;
int index2 = (s->index + 2) % 3;
float *sum = s->sum[ch];
AVFrame *out = arg;
float *block;
float *dst;
int n, i, j;
memset(sum, 0, sizeof(*sum) * s->fft_length);
block = s->block[ch] + s->part_index * s->block_size;
memset(block, 0, sizeof(*block) * s->fft_length);
s->fdsp->vector_fmul_scalar(block + s->part_size, src, s->dry_gain, s->nb_samples);
emms_c();
av_rdft_calc(s->rdft[ch], block);
block[2 * s->part_size] = block[1];
block[1] = 0;
j = s->part_index;
for (i = 0; i < s->nb_partitions; i++) {
const int coffset = i * s->coeff_size;
const FFTComplex *coeff = s->coeff[ch * !s->one2many] + coffset;
block = s->block[ch] + j * s->block_size;
s->fcmul_add(sum, block, (const float *)coeff, s->part_size);
if (j == 0)
j = s->nb_partitions;
j--;
}
sum[1] = sum[2 * s->part_size];
av_rdft_calc(s->irdft[ch], sum);
dst = (float *)s->buffer->extended_data[ch] + index1 * s->part_size;
for (n = 0; n < s->part_size; n++) {
dst[n] += sum[n];
}
dst = (float *)s->buffer->extended_data[ch] + index2 * s->part_size;
memcpy(dst, sum + s->part_size, s->part_size * sizeof(*dst));
dst = (float *)s->buffer->extended_data[ch] + s->index * s->part_size;
if (out) {
float *ptr = (float *)out->extended_data[ch];
s->fdsp->vector_fmul_scalar(ptr, dst, s->gain * s->wet_gain, out->nb_samples);
emms_c();
}
return 0;
}
| false | FFmpeg | bd404e3949b081788247e2e6e9df0581ef7cc190 |
26,085 | static int aiff_read_packet(AVFormatContext *s,
AVPacket *pkt)
{
AVStream *st = s->streams[0];
AIFFInputContext *aiff = s->priv_data;
int64_t max_size;
int res, size;
/* calculate size of remaining data */
max_size = aiff->data_end - avio_tell(s->pb);
if (max_size <= 0)
return AVERROR_EOF;
/* Now for that packet */
if (st->codec->block_align >= 17) // GSM, QCLP, IMA4
size = st->codec->block_align;
else
size = (MAX_SIZE / st->codec->block_align) * st->codec->block_align;
size = FFMIN(max_size, size);
res = av_get_packet(s->pb, pkt, size);
if (res < 0)
return res;
if (size >= st->codec->block_align)
pkt->flags &= ~AV_PKT_FLAG_CORRUPT;
/* Only one stream in an AIFF file */
pkt->stream_index = 0;
pkt->duration = (res / st->codec->block_align) * aiff->block_duration;
return 0;
}
| false | FFmpeg | 763e714442e07f6430b003c8a9f4b62deaa7b3a5 |
26,086 | static int get_riff(AVFormatContext *s, AVIOContext *pb)
{
AVIContext *avi = s->priv_data;
char header[8];
int i;
/* check RIFF header */
avio_read(pb, header, 4);
avi->riff_end = avio_rl32(pb); /* RIFF chunk size */
avi->riff_end += avio_tell(pb); /* RIFF chunk end */
avio_read(pb, header + 4, 4);
for (i = 0; avi_headers[i][0]; i++)
if (!memcmp(header, avi_headers[i], 8))
break;
if (!avi_headers[i][0])
return AVERROR_INVALIDDATA;
if (header[7] == 0x19)
av_log(s, AV_LOG_INFO,
"This file has been generated by a totally broken muxer.\n");
return 0;
}
| true | FFmpeg | 8a048fe6f8bf41de93c091a7a9b3132bedc1b41c |
26,088 | static int decode_segment(TAKDecContext *s, int8_t mode, int32_t *decoded, int len)
{
struct CParam code;
GetBitContext *gb = &s->gb;
int i;
if (!mode) {
memset(decoded, 0, len * sizeof(*decoded));
return 0;
}
if (mode > FF_ARRAY_ELEMS(xcodes))
return AVERROR_INVALIDDATA;
code = xcodes[mode - 1];
for (i = 0; i < len; i++) {
int x = get_bits_long(gb, code.init);
if (x >= code.escape && get_bits1(gb)) {
x |= 1 << code.init;
if (x >= code.aescape) {
int scale = get_unary(gb, 1, 9);
if (scale == 9) {
int scale_bits = get_bits(gb, 3);
if (scale_bits > 0) {
if (scale_bits == 7) {
scale_bits += get_bits(gb, 5);
if (scale_bits > 29)
return AVERROR_INVALIDDATA;
}
scale = get_bits_long(gb, scale_bits) + 1;
x += code.scale * scale;
}
x += code.bias;
} else
x += code.scale * scale - code.escape;
} else
x -= code.escape;
}
decoded[i] = (x >> 1) ^ -(x & 1);
}
return 0;
}
| true | FFmpeg | 955db411929a9876d3cd016fbbb9c49b6362feba |
26,089 | static int paf_video_decode(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *pkt)
{
PAFVideoDecContext *c = avctx->priv_data;
uint8_t code, *dst, *end;
int i, frame, ret;
if (pkt->size < 2)
return AVERROR_INVALIDDATA;
bytestream2_init(&c->gb, pkt->data, pkt->size);
code = bytestream2_get_byte(&c->gb);
if ((code & 0xF) > 4) {
avpriv_request_sample(avctx, "unknown/invalid code");
return AVERROR_INVALIDDATA;
}
if ((ret = ff_reget_buffer(avctx, c->pic)) < 0)
return ret;
if (code & 0x20) { // frame is keyframe
for (i = 0; i < 4; i++)
memset(c->frame[i], 0, c->frame_size);
memset(c->pic->data[1], 0, AVPALETTE_SIZE);
c->current_frame = 0;
c->pic->key_frame = 1;
c->pic->pict_type = AV_PICTURE_TYPE_I;
} else {
c->pic->key_frame = 0;
c->pic->pict_type = AV_PICTURE_TYPE_P;
}
if (code & 0x40) { // palette update
uint32_t *out = (uint32_t *)c->pic->data[1];
int index, count;
index = bytestream2_get_byte(&c->gb);
count = bytestream2_get_byte(&c->gb) + 1;
if (index + count > 256)
return AVERROR_INVALIDDATA;
if (bytestream2_get_bytes_left(&c->gb) < 3 * count)
return AVERROR_INVALIDDATA;
out += index;
for (i = 0; i < count; i++) {
unsigned r, g, b;
r = bytestream2_get_byteu(&c->gb);
r = r << 2 | r >> 4;
g = bytestream2_get_byteu(&c->gb);
g = g << 2 | g >> 4;
b = bytestream2_get_byteu(&c->gb);
b = b << 2 | b >> 4;
*out++ = (0xFFU << 24) | (r << 16) | (g << 8) | b;
}
c->pic->palette_has_changed = 1;
}
switch (code & 0x0F) {
case 0:
/* Block-based motion compensation using 4x4 blocks with either
* horizontal or vertical vectors; might incorporate VQ as well. */
if ((ret = decode_0(c, pkt->data, code)) < 0)
return ret;
break;
case 1:
/* Uncompressed data. This mode specifies that (width * height) bytes
* should be copied directly from the encoded buffer into the output. */
dst = c->frame[c->current_frame];
// possibly chunk length data
bytestream2_skip(&c->gb, 2);
if (bytestream2_get_bytes_left(&c->gb) < c->video_size)
return AVERROR_INVALIDDATA;
bytestream2_get_bufferu(&c->gb, dst, c->video_size);
break;
case 2:
/* Copy reference frame: Consume the next byte in the stream as the
* reference frame (which should be 0, 1, 2, or 3, and should not be
* the same as the current frame number). */
frame = bytestream2_get_byte(&c->gb);
if (frame > 3)
return AVERROR_INVALIDDATA;
if (frame != c->current_frame)
memcpy(c->frame[c->current_frame], c->frame[frame], c->frame_size);
break;
case 4:
/* Run length encoding.*/
dst = c->frame[c->current_frame];
end = dst + c->video_size;
bytestream2_skip(&c->gb, 2);
while (dst < end) {
int8_t code;
int count;
if (bytestream2_get_bytes_left(&c->gb) < 2)
return AVERROR_INVALIDDATA;
code = bytestream2_get_byteu(&c->gb);
count = FFABS(code) + 1;
if (dst + count > end)
return AVERROR_INVALIDDATA;
if (code < 0)
memset(dst, bytestream2_get_byteu(&c->gb), count);
else
bytestream2_get_buffer(&c->gb, dst, count);
dst += count;
}
break;
default:
av_assert0(0);
}
av_image_copy_plane(c->pic->data[0], c->pic->linesize[0],
c->frame[c->current_frame], c->width,
c->width, c->height);
c->current_frame = (c->current_frame + 1) & 3;
if ((ret = av_frame_ref(data, c->pic)) < 0)
return ret;
*got_frame = 1;
return pkt->size;
}
| true | FFmpeg | c4360559ee2a6c8c624f24fc7e2a1cf00972ba68 |
26,091 | int avresample_get_matrix(AVAudioResampleContext *avr, double *matrix,
int stride)
{
int in_channels, out_channels, i, o;
in_channels = av_get_channel_layout_nb_channels(avr->in_channel_layout);
out_channels = av_get_channel_layout_nb_channels(avr->out_channel_layout);
if ( in_channels < 0 || in_channels > AVRESAMPLE_MAX_CHANNELS ||
out_channels < 0 || out_channels > AVRESAMPLE_MAX_CHANNELS) {
av_log(avr, AV_LOG_ERROR, "Invalid channel layouts\n");
return AVERROR(EINVAL);
}
switch (avr->mix_coeff_type) {
case AV_MIX_COEFF_TYPE_Q8:
if (!avr->am->matrix_q8[0]) {
av_log(avr, AV_LOG_ERROR, "matrix is not set\n");
return AVERROR(EINVAL);
}
for (o = 0; o < out_channels; o++)
for (i = 0; i < in_channels; i++)
matrix[o * stride + i] = avr->am->matrix_q8[o][i] / 256.0;
break;
case AV_MIX_COEFF_TYPE_Q15:
if (!avr->am->matrix_q15[0]) {
av_log(avr, AV_LOG_ERROR, "matrix is not set\n");
return AVERROR(EINVAL);
}
for (o = 0; o < out_channels; o++)
for (i = 0; i < in_channels; i++)
matrix[o * stride + i] = avr->am->matrix_q15[o][i] / 32768.0;
break;
case AV_MIX_COEFF_TYPE_FLT:
if (!avr->am->matrix_flt[0]) {
av_log(avr, AV_LOG_ERROR, "matrix is not set\n");
return AVERROR(EINVAL);
}
for (o = 0; o < out_channels; o++)
for (i = 0; i < in_channels; i++)
matrix[o * stride + i] = avr->am->matrix_flt[o][i];
break;
default:
av_log(avr, AV_LOG_ERROR, "Invalid mix coeff type\n");
return AVERROR(EINVAL);
}
return 0;
}
| true | FFmpeg | 8821ae649e61097ec57ca58472c3e4239c82913c |
26,092 | static int parse_packet(AVFormatContext *s, AVPacket *pkt, int stream_index)
{
AVPacket out_pkt = { 0 }, flush_pkt = { 0 };
AVStream *st = s->streams[stream_index];
uint8_t *data = pkt ? pkt->data : NULL;
int size = pkt ? pkt->size : 0;
int ret = 0, got_output = 0;
if (!pkt) {
av_init_packet(&flush_pkt);
pkt = &flush_pkt;
got_output = 1;
}
while (size > 0 || (pkt == &flush_pkt && got_output)) {
int len;
av_init_packet(&out_pkt);
len = av_parser_parse2(st->parser, st->codec,
&out_pkt.data, &out_pkt.size, data, size,
pkt->pts, pkt->dts, pkt->pos);
pkt->pts = pkt->dts = AV_NOPTS_VALUE;
/* increment read pointer */
data += len;
size -= len;
got_output = !!out_pkt.size;
if (!out_pkt.size)
continue;
if (pkt->side_data) {
out_pkt.side_data = pkt->side_data;
out_pkt.side_data_elems = pkt->side_data_elems;
pkt->side_data = NULL;
pkt->side_data_elems = 0;
}
/* set the duration */
out_pkt.duration = 0;
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
if (st->codec->sample_rate > 0) {
out_pkt.duration =
av_rescale_q_rnd(st->parser->duration,
(AVRational) { 1, st->codec->sample_rate },
st->time_base,
AV_ROUND_DOWN);
}
}
out_pkt.stream_index = st->index;
out_pkt.pts = st->parser->pts;
out_pkt.dts = st->parser->dts;
out_pkt.pos = st->parser->pos;
if (st->parser->key_frame == 1 ||
(st->parser->key_frame == -1 &&
st->parser->pict_type == AV_PICTURE_TYPE_I))
out_pkt.flags |= AV_PKT_FLAG_KEY;
compute_pkt_fields(s, st, st->parser, &out_pkt);
if ((s->iformat->flags & AVFMT_GENERIC_INDEX) &&
out_pkt.flags & AV_PKT_FLAG_KEY) {
ff_reduce_index(s, st->index);
av_add_index_entry(st, st->parser->frame_offset, out_pkt.dts,
0, 0, AVINDEX_KEYFRAME);
}
if (out_pkt.data == pkt->data && out_pkt.size == pkt->size) {
out_pkt.buf = pkt->buf;
pkt->buf = NULL;
}
if ((ret = av_dup_packet(&out_pkt)) < 0)
goto fail;
if (!add_to_pktbuf(&s->internal->parse_queue, &out_pkt, &s->internal->parse_queue_end)) {
av_packet_unref(&out_pkt);
ret = AVERROR(ENOMEM);
goto fail;
}
}
/* end of the stream => close and free the parser */
if (pkt == &flush_pkt) {
av_parser_close(st->parser);
st->parser = NULL;
}
fail:
av_packet_unref(pkt);
return ret;
}
| false | FFmpeg | d584533cf38141172e20bae5436629ee17c8ce50 |
26,093 | int avpriv_dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
uint8_t* buf, int buf_size, int64_t pos)
{
int size, i;
uint8_t *ppcm[4] = {0};
if (buf_size < DV_PROFILE_BYTES ||
!(c->sys = avpriv_dv_frame_profile(c->sys, buf, buf_size)) ||
buf_size < c->sys->frame_size) {
return -1; /* Broken frame, or not enough data */
}
/* Queueing audio packet */
/* FIXME: in case of no audio/bad audio we have to do something */
size = dv_extract_audio_info(c, buf);
for (i = 0; i < c->ach; i++) {
c->audio_pkt[i].pos = pos;
c->audio_pkt[i].size = size;
c->audio_pkt[i].pts = c->abytes * 30000*8 / c->ast[i]->codec->bit_rate;
ppcm[i] = c->audio_buf[i];
}
dv_extract_audio(buf, ppcm, c->sys);
/* We work with 720p frames split in half, thus even frames have
* channels 0,1 and odd 2,3. */
if (c->sys->height == 720) {
if (buf[1] & 0x0C) {
c->audio_pkt[2].size = c->audio_pkt[3].size = 0;
} else {
c->audio_pkt[0].size = c->audio_pkt[1].size = 0;
c->abytes += size;
}
} else {
c->abytes += size;
}
/* Now it's time to return video packet */
size = dv_extract_video_info(c, buf);
av_init_packet(pkt);
pkt->data = buf;
pkt->pos = pos;
pkt->size = size;
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->stream_index = c->vst->id;
pkt->pts = c->frames;
c->frames++;
return size;
}
| true | FFmpeg | 5cb57a16ede71d913384a0b3036a2c6df5da5e43 |
26,094 | int mmu40x_get_physical_address (CPUState *env, mmu_ctx_t *ctx,
target_ulong address, int rw, int access_type)
{
ppcemb_tlb_t *tlb;
target_phys_addr_t raddr;
int i, ret, zsel, zpr, pr;
ret = -1;
raddr = -1;
pr = msr_pr;
for (i = 0; i < env->nb_tlb; i++) {
tlb = &env->tlb[i].tlbe;
if (ppcemb_tlb_check(env, tlb, &raddr, address,
env->spr[SPR_40x_PID], 0, i) < 0)
continue;
zsel = (tlb->attr >> 4) & 0xF;
zpr = (env->spr[SPR_40x_ZPR] >> (28 - (2 * zsel))) & 0x3;
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
fprintf(logfile, "%s: TLB %d zsel %d zpr %d rw %d attr %08x\n",
__func__, i, zsel, zpr, rw, tlb->attr);
}
#endif
/* Check execute enable bit */
switch (zpr) {
case 0x2:
if (pr != 0)
goto check_perms;
/* No break here */
case 0x3:
/* All accesses granted */
ctx->prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
ret = 0;
break;
case 0x0:
if (pr != 0) {
ctx->prot = 0;
ret = -2;
break;
}
/* No break here */
case 0x1:
check_perms:
/* Check from TLB entry */
/* XXX: there is a problem here or in the TLB fill code... */
ctx->prot = tlb->prot;
ctx->prot |= PAGE_EXEC;
ret = check_prot(ctx->prot, rw, access_type);
break;
}
if (ret >= 0) {
ctx->raddr = raddr;
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
fprintf(logfile, "%s: access granted " ADDRX " => " REGX
" %d %d\n", __func__, address, ctx->raddr, ctx->prot,
ret);
}
#endif
return 0;
}
}
#if defined (DEBUG_SOFTWARE_TLB)
if (loglevel != 0) {
fprintf(logfile, "%s: access refused " ADDRX " => " REGX
" %d %d\n", __func__, address, raddr, ctx->prot,
ret);
}
#endif
return ret;
}
| true | qemu | 6f2d8978728c48ca46f5c01835438508aace5c64 |
26,095 | int bdrv_get_dirty(BlockDriverState *bs, int64_t sector)
{
int64_t chunk = sector / (int64_t)BDRV_SECTORS_PER_DIRTY_CHUNK;
if (bs->dirty_bitmap != NULL &&
(sector << BDRV_SECTOR_BITS) <= bdrv_getlength(bs)) {
return bs->dirty_bitmap[chunk];
} else {
return 0;
}
}
| true | qemu | c6d2283068026035a6468aae9dcde953bd7521ac |
26,096 | static int gdv_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
GDVContext *gdv = avctx->priv_data;
GetByteContext *gb = &gdv->gb;
PutByteContext *pb = &gdv->pb;
AVFrame *frame = data;
int ret, i, pal_size;
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &pal_size);
int compression;
unsigned flags;
uint8_t *dst;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
if (pal && pal_size == AVPALETTE_SIZE)
memcpy(gdv->pal, pal, AVPALETTE_SIZE);
bytestream2_init(gb, avpkt->data, avpkt->size);
bytestream2_init_writer(pb, gdv->frame, gdv->frame_size);
flags = bytestream2_get_le32(gb);
compression = flags & 0xF;
rescale(gdv, gdv->frame, avctx->width, avctx->height,
!!(flags & 0x10), !!(flags & 0x20));
switch (compression) {
case 1:
memset(gdv->frame + PREAMBLE_SIZE, 0, gdv->frame_size - PREAMBLE_SIZE);
case 0:
if (bytestream2_get_bytes_left(gb) < 256*3)
return AVERROR_INVALIDDATA;
for (i = 0; i < 256; i++) {
unsigned r = bytestream2_get_byte(gb);
unsigned g = bytestream2_get_byte(gb);
unsigned b = bytestream2_get_byte(gb);
gdv->pal[i] = 0xFFU << 24 | r << 18 | g << 10 | b << 2;
}
break;
case 2:
ret = decompress_2(avctx);
break;
case 3:
break;
case 5:
ret = decompress_5(avctx, flags >> 8);
break;
case 6:
ret = decompress_68(avctx, flags >> 8, 0);
break;
case 8:
ret = decompress_68(avctx, flags >> 8, 1);
break;
default:
return AVERROR_INVALIDDATA;
}
memcpy(frame->data[1], gdv->pal, AVPALETTE_SIZE);
dst = frame->data[0];
if (!gdv->scale_v && !gdv->scale_h) {
int sidx = PREAMBLE_SIZE, didx = 0;
int y, x;
for (y = 0; y < avctx->height; y++) {
for (x = 0; x < avctx->width; x++) {
dst[x+didx] = gdv->frame[x+sidx];
}
sidx += avctx->width;
didx += frame->linesize[0];
}
} else {
int sidx = PREAMBLE_SIZE, didx = 0;
int y, x;
for (y = 0; y < avctx->height; y++) {
if (!gdv->scale_v) {
for (x = 0; x < avctx->width; x++) {
dst[didx + x] = gdv->frame[sidx + x];
}
} else {
for (x = 0; x < avctx->width; x++) {
dst[didx + x] = gdv->frame[sidx + x/2];
}
}
if (!gdv->scale_h || ((y & 1) == 1)) {
sidx += !gdv->scale_v ? avctx->width : avctx->width/2;
}
didx += frame->linesize[0];
}
}
*got_frame = 1;
return ret < 0 ? ret : avpkt->size;
}
| true | FFmpeg | cf5a6c754aa3b67062b8cc60fa244e9c7d82010f |
26,097 | int ff_rle_encode(uint8_t *outbuf, int out_size, const uint8_t *ptr , int bpp, int w,
int add_rep, int xor_rep, int add_raw, int xor_raw)
{
int count, x;
uint8_t *out = outbuf;
for(x = 0; x < w; x += count) {
/* see if we can encode the next set of pixels with RLE */
if((count = count_pixels(ptr, w-x, bpp, 1)) > 1) {
if(out + bpp + 1 > outbuf + out_size) return -1;
*out++ = (count ^ xor_rep) + add_rep;
memcpy(out, ptr, bpp);
out += bpp;
} else {
/* fall back on uncompressed */
count = count_pixels(ptr, w-x, bpp, 0);
*out++ = (count ^ xor_raw) + add_raw;
if(out + bpp*count > outbuf + out_size) return -1;
memcpy(out, ptr, bpp * count);
out += bpp * count;
}
ptr += count * bpp;
}
return out - outbuf;
}
| false | FFmpeg | 0afdedcafb4d524abfe2c958f17aafe4f1ab8d9a |
26,098 | static void stream_component_close(VideoState *is, int stream_index)
{
AVFormatContext *ic = is->ic;
AVCodecContext *avctx;
if (stream_index < 0 || stream_index >= ic->nb_streams)
return;
avctx = ic->streams[stream_index]->codec;
switch (avctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
packet_queue_abort(&is->audioq);
SDL_CloseAudio();
packet_queue_flush(&is->audioq);
av_free_packet(&is->audio_pkt);
if (is->swr_ctx)
swr_free(&is->swr_ctx);
av_freep(&is->audio_buf1);
is->audio_buf = NULL;
av_freep(&is->frame);
if (is->rdft) {
av_rdft_end(is->rdft);
av_freep(&is->rdft_data);
is->rdft = NULL;
is->rdft_bits = 0;
}
break;
case AVMEDIA_TYPE_VIDEO:
packet_queue_abort(&is->videoq);
/* note: we also signal this mutex to make sure we deblock the
video thread in all cases */
SDL_LockMutex(is->pictq_mutex);
SDL_CondSignal(is->pictq_cond);
SDL_UnlockMutex(is->pictq_mutex);
SDL_WaitThread(is->video_tid, NULL);
packet_queue_flush(&is->videoq);
break;
case AVMEDIA_TYPE_SUBTITLE:
packet_queue_abort(&is->subtitleq);
/* note: we also signal this mutex to make sure we deblock the
video thread in all cases */
SDL_LockMutex(is->subpq_mutex);
is->subtitle_stream_changed = 1;
SDL_CondSignal(is->subpq_cond);
SDL_UnlockMutex(is->subpq_mutex);
SDL_WaitThread(is->subtitle_tid, NULL);
packet_queue_flush(&is->subtitleq);
break;
default:
break;
}
ic->streams[stream_index]->discard = AVDISCARD_ALL;
avcodec_close(avctx);
#if CONFIG_AVFILTER
free_buffer_pool(&is->buffer_pool);
#endif
switch (avctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
is->audio_st = NULL;
is->audio_stream = -1;
break;
case AVMEDIA_TYPE_VIDEO:
is->video_st = NULL;
is->video_stream = -1;
break;
case AVMEDIA_TYPE_SUBTITLE:
is->subtitle_st = NULL;
is->subtitle_stream = -1;
break;
default:
break;
}
}
| false | FFmpeg | 4fd07b9366fb2f74b6af0dea8092d6bafa38f131 |
26,099 | static inline int mpeg1_decode_block_inter(MpegEncContext *s, int16_t *block, int n)
{
int level, i, j, run;
RLTable *rl = &ff_rl_mpeg1;
uint8_t * const scantable = s->intra_scantable.permutated;
const uint16_t *quant_matrix = s->inter_matrix;
const int qscale = s->qscale;
{
OPEN_READER(re, &s->gb);
i = -1;
// special case for first coefficient, no need to add second VLC table
UPDATE_CACHE(re, &s->gb);
if (((int32_t)GET_CACHE(re, &s->gb)) < 0) {
level = (3 * qscale * quant_matrix[0]) >> 5;
level = (level - 1) | 1;
if (GET_CACHE(re, &s->gb) & 0x40000000)
level = -level;
block[0] = level;
i++;
SKIP_BITS(re, &s->gb, 2);
if (((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
/* now quantify & encode AC coefficients */
for (;;) {
GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
if (level != 0) {
i += run;
j = scantable[i];
level = ((level * 2 + 1) * qscale * quant_matrix[j]) >> 5;
level = (level - 1) | 1;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
SKIP_BITS(re, &s->gb, 1);
} else {
/* escape */
run = SHOW_UBITS(re, &s->gb, 6) + 1; LAST_SKIP_BITS(re, &s->gb, 6);
UPDATE_CACHE(re, &s->gb);
level = SHOW_SBITS(re, &s->gb, 8); SKIP_BITS(re, &s->gb, 8);
if (level == -128) {
level = SHOW_UBITS(re, &s->gb, 8) - 256; SKIP_BITS(re, &s->gb, 8);
} else if (level == 0) {
level = SHOW_UBITS(re, &s->gb, 8) ; SKIP_BITS(re, &s->gb, 8);
}
i += run;
j = scantable[i];
if (level < 0) {
level = -level;
level = ((level * 2 + 1) * qscale * quant_matrix[j]) >> 5;
level = (level - 1) | 1;
level = -level;
} else {
level = ((level * 2 + 1) * qscale * quant_matrix[j]) >> 5;
level = (level - 1) | 1;
}
}
if (i > 63) {
av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
block[j] = level;
if (((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
UPDATE_CACHE(re, &s->gb);
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
CLOSE_READER(re, &s->gb);
}
s->block_last_index[n] = i;
return 0;
}
| true | FFmpeg | 6d93307f8df81808f0dcdbc064b848054a6e83b3 |
26,101 | static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe,
VP8Frame *prev_frame)
{
VP8Context *s = avctx->priv_data;
int mb_x, mb_y;
s->mv_min.y = -MARGIN;
s->mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
VP8Macroblock *mb = s->macroblocks_base +
((s->mb_width + 1) * (mb_y + 1) + 1);
int mb_xy = mb_y * s->mb_width;
AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
s->mv_min.x = -MARGIN;
s->mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
if (mb_y == 0)
AV_WN32A((mb - s->mb_width - 1)->intra4x4_pred_mode_top,
DC_PRED * 0x01010101);
decode_mb_mode(s, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
prev_frame && prev_frame->seg_map ?
prev_frame->seg_map->data + mb_xy : NULL, 1);
s->mv_min.x -= 64;
s->mv_max.x -= 64;
}
s->mv_min.y -= 64;
s->mv_max.y -= 64;
}
}
| true | FFmpeg | ac4b32df71bd932838043a4838b86d11e169707f |
26,102 | static struct omap_eac_s *omap_eac_init(struct omap_target_agent_s *ta,
qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk)
{
struct omap_eac_s *s = (struct omap_eac_s *)
g_malloc0(sizeof(struct omap_eac_s));
s->irq = irq;
s->codec.rxdrq = *drq ++;
s->codec.txdrq = *drq;
omap_eac_reset(s);
AUD_register_card("OMAP EAC", &s->codec.card);
memory_region_init_io(&s->iomem, NULL, &omap_eac_ops, s, "omap.eac",
omap_l4_region_size(ta, 0));
omap_l4_attach(ta, 0, &s->iomem);
return s;
}
| true | qemu | b45c03f585ea9bb1af76c73e82195418c294919d |
26,103 | bool runstate_needs_reset(void)
{
return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
runstate_check(RUN_STATE_SHUTDOWN) ||
runstate_check(RUN_STATE_GUEST_PANICKED);
}
| true | qemu | df39076850958b842ac9e414dc3ab2895f1877bf |
26,104 | int64_t bdrv_getlength(BlockDriverState *bs)
{
int64_t ret = bdrv_nb_sectors(bs);
return ret < 0 ? ret : ret * BDRV_SECTOR_SIZE;
} | true | qemu | 4a9c9ea0d318bec2f67848c5ceaf4ad5bcb91d09 |
26,105 | static av_always_inline void mc_luma_scaled(VP9Context *s, vp9_scaled_mc_func smc,
vp9_mc_func (*mc)[2],
uint8_t *dst, ptrdiff_t dst_stride,
const uint8_t *ref, ptrdiff_t ref_stride,
ThreadFrame *ref_frame,
ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
int px, int py, int pw, int ph,
int bw, int bh, int w, int h, int bytesperpixel,
const uint16_t *scale, const uint8_t *step)
{
if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
mc_luma_unscaled(s, mc, dst, dst_stride, ref, ref_stride, ref_frame,
y, x, in_mv, bw, bh, w, h, bytesperpixel);
} else {
#define scale_mv(n, dim) (((int64_t)(n) * scale[dim]) >> 14)
int mx, my;
int refbw_m1, refbh_m1;
int th;
VP56mv mv;
mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
// BUG libvpx seems to scale the two components separately. This introduces
// rounding errors but we have to reproduce them to be exactly compatible
// with the output from libvpx...
mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
y = my >> 4;
x = mx >> 4;
ref += y * ref_stride + x * bytesperpixel;
mx &= 15;
my &= 15;
refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
// FIXME bilinear filter only needs 0/1 pixels, not 3/4
// we use +7 because the last 7 pixels of each sbrow can be changed in
// the longest loopfilter of the next sbrow
th = (y + refbh_m1 + 4 + 7) >> 6;
ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 4 >= h - refbh_m1) {
s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
ref - 3 * ref_stride - 3 * bytesperpixel,
288, ref_stride,
refbw_m1 + 8, refbh_m1 + 8,
x - 3, y - 3, w, h);
ref = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
ref_stride = 288;
}
smc(dst, dst_stride, ref, ref_stride, bh, mx, my, step[0], step[1]);
}
}
| true | FFmpeg | 68caef9d48c4f1540b1b3181ebe7062a3417c62a |
26,106 | static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int i;
register int t1,t2,t3,t4;
DCTELEM *src, *dst;
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
src = block;
dst = block;
for(i = 0; i < 4; i++){
t1 = 17 * (src[0] + src[2]) + 4;
t2 = 17 * (src[0] - src[2]) + 4;
t3 = 22 * src[1] + 10 * src[3];
t4 = 22 * src[3] - 10 * src[1];
dst[0] = (t1 + t3) >> 3;
dst[1] = (t2 - t4) >> 3;
dst[2] = (t2 + t4) >> 3;
dst[3] = (t1 - t3) >> 3;
src += 8;
dst += 8;
}
src = block;
for(i = 0; i < 4; i++){
t1 = 17 * (src[ 0] + src[16]) + 64;
t2 = 17 * (src[ 0] - src[16]) + 64;
t3 = 22 * src[ 8] + 10 * src[24];
t4 = 22 * src[24] - 10 * src[ 8];
dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)];
dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)];
dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)];
dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)];
src ++;
dest++;
}
}
| true | FFmpeg | c23acbaed40101c677dfcfbbfe0d2c230a8e8f44 |
26,107 | long do_rt_sigreturn(CPUSH4State *regs)
{
struct target_rt_sigframe *frame;
abi_ulong frame_addr;
sigset_t blocked;
target_ulong r0;
#if defined(DEBUG_SIGNAL)
fprintf(stderr, "do_rt_sigreturn\n");
#endif
frame_addr = regs->gregs[15];
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))
goto badframe;
target_to_host_sigset(&blocked, &frame->uc.tuc_sigmask);
do_sigprocmask(SIG_SETMASK, &blocked, NULL);
if (restore_sigcontext(regs, &frame->uc.tuc_mcontext, &r0))
goto badframe;
if (do_sigaltstack(frame_addr +
offsetof(struct target_rt_sigframe, uc.tuc_stack),
0, get_sp_from_cpustate(regs)) == -EFAULT)
goto badframe;
unlock_user_struct(frame, frame_addr, 0);
return r0;
badframe:
unlock_user_struct(frame, frame_addr, 0);
force_sig(TARGET_SIGSEGV);
return 0;
}
| true | qemu | 016d2e1dfa21b64a524d3629fdd317d4c25bc3b8 |
26,108 | int ff_draw_init(FFDrawContext *draw, enum PixelFormat format, unsigned flags)
{
const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[format];
const AVComponentDescriptor *c;
unsigned i, nb_planes = 0;
int pixelstep[MAX_PLANES] = { 0 };
if (!desc->name)
return AVERROR(EINVAL);
if (desc->flags & ~(PIX_FMT_PLANAR | PIX_FMT_RGB))
return AVERROR(ENOSYS);
for (i = 0; i < desc->nb_components; i++) {
c = &desc->comp[i];
/* for now, only 8-bits formats */
if (c->depth_minus1 != 8 - 1)
return AVERROR(ENOSYS);
if (c->plane >= MAX_PLANES)
return AVERROR(ENOSYS);
/* strange interleaving */
if (pixelstep[c->plane] != 0 &&
pixelstep[c->plane] != c->step_minus1 + 1)
return AVERROR(ENOSYS);
pixelstep[c->plane] = c->step_minus1 + 1;
if (pixelstep[c->plane] >= 8)
return AVERROR(ENOSYS);
nb_planes = FFMAX(nb_planes, c->plane + 1);
}
if ((desc->log2_chroma_w || desc->log2_chroma_h) && nb_planes < 3)
return AVERROR(ENOSYS); /* exclude NV12 and NV21 */
memset(draw, 0, sizeof(*draw));
draw->desc = desc;
draw->format = format;
draw->nb_planes = nb_planes;
memcpy(draw->pixelstep, pixelstep, sizeof(draw->pixelstep));
if (nb_planes >= 3 && !(desc->flags & PIX_FMT_RGB)) {
draw->hsub[1] = draw->hsub[2] = draw->hsub_max = desc->log2_chroma_w;
draw->vsub[1] = draw->vsub[2] = draw->vsub_max = desc->log2_chroma_h;
}
for (i = 0; i < ((desc->nb_components - 1) | 1); i++)
draw->comp_mask[desc->comp[i].plane] |=
1 << (desc->comp[i].offset_plus1 - 1);
return 0;
}
| true | FFmpeg | 24eac3cff54a5828ba76bc1ad93b99724cde45c1 |
26,109 | static void pty_chr_close(struct CharDriverState *chr)
{
PtyCharDriver *s = chr->opaque;
int fd;
remove_fd_in_watch(chr);
fd = g_io_channel_unix_get_fd(s->fd);
g_io_channel_unref(s->fd);
close(fd);
if (s->timer_tag) {
g_source_remove(s->timer_tag);
s->timer_tag = 0;
}
g_free(s);
qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
| true | qemu | 7b3621f47a990c5099c6385728347f69a8d0e55c |
26,111 | av_cold void ff_dct_init_mmx(DCTContext *s)
{
#if HAVE_YASM
int has_vectors = av_get_cpu_flags();
if (has_vectors & AV_CPU_FLAG_SSE && HAVE_SSE)
s->dct32 = ff_dct32_float_sse;
if (has_vectors & AV_CPU_FLAG_SSE2 && HAVE_SSE)
s->dct32 = ff_dct32_float_sse2;
if (has_vectors & AV_CPU_FLAG_AVX && HAVE_AVX)
s->dct32 = ff_dct32_float_avx;
#endif
}
| false | FFmpeg | e0c6cce44729d94e2a5507a4b6d031f23e8bd7b6 |
26,112 | int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
{
AVFrame *tmp;
int ret;
av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
if (!frame->data[0])
return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
if (av_frame_is_writable(frame)) {
frame->pkt_pts = avctx->internal->pkt ? avctx->internal->pkt->pts : AV_NOPTS_VALUE;
frame->reordered_opaque = avctx->reordered_opaque;
return 0;
}
tmp = av_frame_alloc();
if (!tmp)
return AVERROR(ENOMEM);
av_frame_move_ref(tmp, frame);
ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
if (ret < 0) {
av_frame_free(&tmp);
return ret;
}
av_frame_copy(frame, tmp);
av_frame_free(&tmp);
return 0;
}
| false | FFmpeg | 4a0f6651434c6f213d830140f575b4ec7858519f |
26,115 | static void block_dirty_bitmap_add_abort(BlkActionState *common)
{
BlockDirtyBitmapAdd *action;
BlockDirtyBitmapState *state = DO_UPCAST(BlockDirtyBitmapState,
common, common);
action = common->action->u.block_dirty_bitmap_add;
/* Should not be able to fail: IF the bitmap was added via .prepare(),
* then the node reference and bitmap name must have been valid.
*/
if (state->prepared) {
qmp_block_dirty_bitmap_remove(action->node, action->name, &error_abort);
}
}
| false | qemu | 32bafa8fdd098d52fbf1102d5a5e48d29398c0aa |
26,116 | static int cirrus_bitblt_common_patterncopy(CirrusVGAState *s, bool videosrc)
{
uint32_t patternsize;
uint8_t *dst;
uint8_t *src;
dst = s->vga.vram_ptr + s->cirrus_blt_dstaddr;
if (videosrc) {
switch (s->vga.get_bpp(&s->vga)) {
case 8:
patternsize = 64;
break;
case 15:
case 16:
patternsize = 128;
break;
case 24:
case 32:
default:
patternsize = 256;
break;
}
s->cirrus_blt_srcaddr &= ~(patternsize - 1);
if (s->cirrus_blt_srcaddr + patternsize > s->vga.vram_size) {
return 0;
}
src = s->vga.vram_ptr + s->cirrus_blt_srcaddr;
} else {
src = s->cirrus_bltbuf;
}
if (blit_is_unsafe(s, true)) {
return 0;
}
(*s->cirrus_rop) (s, dst, src,
s->cirrus_blt_dstpitch, 0,
s->cirrus_blt_width, s->cirrus_blt_height);
cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
s->cirrus_blt_dstpitch, s->cirrus_blt_width,
s->cirrus_blt_height);
return 1;
}
| false | qemu | 026aeffcb4752054830ba203020ed6eb05bcaba8 |
26,119 | static int nbd_handle_export_name(NBDClient *client, uint32_t length)
{
int rc = -EINVAL, csock = client->sock;
char name[256];
/* Client sends:
[20 .. xx] export name (length bytes)
*/
TRACE("Checking length");
if (length > 255) {
LOG("Bad length received");
goto fail;
}
if (read_sync(csock, name, length) != length) {
LOG("read failed");
goto fail;
}
name[length] = '\0';
client->exp = nbd_export_find(name);
if (!client->exp) {
LOG("export not found");
goto fail;
}
QTAILQ_INSERT_TAIL(&client->exp->clients, client, next);
nbd_export_get(client->exp);
rc = 0;
fail:
return rc;
}
| false | qemu | 1a6245a5b0b4e8d822c739b403fc67c8a7bc8d12 |
26,120 | static void tcg_out_insn_3401(TCGContext *s, AArch64Insn insn, TCGType ext,
TCGReg rd, TCGReg rn, uint64_t aimm)
{
if (aimm > 0xfff) {
assert((aimm & 0xfff) == 0);
aimm >>= 12;
assert(aimm <= 0xfff);
aimm |= 1 << 12; /* apply LSL 12 */
}
tcg_out32(s, insn | ext << 31 | aimm << 10 | rn << 5 | rd);
}
| false | qemu | eabb7b91b36b202b4dac2df2d59d698e3aff197a |
26,121 | static int proxy_mkdir(FsContext *fs_ctx, V9fsPath *dir_path,
const char *name, FsCred *credp)
{
int retval;
V9fsString fullname;
v9fs_string_init(&fullname);
v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
retval = v9fs_request(fs_ctx->private, T_MKDIR, NULL, "sddd", &fullname,
credp->fc_mode, credp->fc_uid, credp->fc_gid);
v9fs_string_free(&fullname);
if (retval < 0) {
errno = -retval;
retval = -1;
}
v9fs_string_free(&fullname);
return retval;
}
| false | qemu | 494a8ebe713055d3946183f4b395f85a18b43e9e |
26,123 | static always_inline uint64_t float_zero_divide_excp (uint64_t arg1, uint64_t arg2)
{
env->fpscr |= 1 << FPSCR_ZX;
env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
/* Update the floating-point exception summary */
env->fpscr |= 1 << FPSCR_FX;
if (fpscr_ze != 0) {
/* Update the floating-point enabled exception summary */
env->fpscr |= 1 << FPSCR_FEX;
if (msr_fe0 != 0 || msr_fe1 != 0) {
helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
}
} else {
/* Set the result to infinity */
arg1 = ((arg1 ^ arg2) & 0x8000000000000000ULL);
arg1 |= 0x7FFULL << 52;
}
return arg1;
}
| false | qemu | e33e94f92298c96e0928cefab00ea5bae0a1cd19 |
26,124 | void *s1d13745_init(qemu_irq gpio_int)
{
BlizzardState *s = (BlizzardState *) g_malloc0(sizeof(*s));
DisplaySurface *surface;
s->fb = g_malloc(0x180000);
s->con = graphic_console_init(blizzard_update_display,
blizzard_invalidate_display,
blizzard_screen_dump, NULL, s);
surface = qemu_console_surface(s->con);
switch (surface_bits_per_pixel(surface)) {
case 0:
s->line_fn_tab[0] = s->line_fn_tab[1] =
g_malloc0(sizeof(blizzard_fn_t) * 0x10);
break;
case 8:
s->line_fn_tab[0] = blizzard_draw_fn_8;
s->line_fn_tab[1] = blizzard_draw_fn_r_8;
break;
case 15:
s->line_fn_tab[0] = blizzard_draw_fn_15;
s->line_fn_tab[1] = blizzard_draw_fn_r_15;
break;
case 16:
s->line_fn_tab[0] = blizzard_draw_fn_16;
s->line_fn_tab[1] = blizzard_draw_fn_r_16;
break;
case 24:
s->line_fn_tab[0] = blizzard_draw_fn_24;
s->line_fn_tab[1] = blizzard_draw_fn_r_24;
break;
case 32:
s->line_fn_tab[0] = blizzard_draw_fn_32;
s->line_fn_tab[1] = blizzard_draw_fn_r_32;
break;
default:
fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__);
exit(1);
}
blizzard_reset(s);
return s;
}
| false | qemu | 2c62f08ddbf3fa80dc7202eb9a2ea60ae44e2cc5 |
Subsets and Splits