project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
qemu | aa92d6c4609e174fc6884e4b7b87367fac33cbe9 | 0 | static int coroutine_fn nfs_co_readv(BlockDriverState *bs,
int64_t sector_num, int nb_sectors,
QEMUIOVector *iov)
{
NFSClient *client = bs->opaque;
NFSRPC task;
nfs_co_init_task(client, &task);
task.iov = iov;
if (nfs_pread_async(client->context, client->fh,
sector_num * BDRV_SECTOR_SIZE,
nb_sectors * BDRV_SECTOR_SIZE,
nfs_co_generic_cb, &task) != 0) {
return -ENOMEM;
}
while (!task.complete) {
nfs_set_events(client);
qemu_coroutine_yield();
}
if (task.ret < 0) {
return task.ret;
}
/* zero pad short reads */
if (task.ret < iov->size) {
qemu_iovec_memset(iov, task.ret, 0, iov->size - task.ret);
}
return 0;
}
| 11,950 |
qemu | afa46c468acc18914c2773538f1b088c507766ee | 0 | int scsi_req_parse(SCSIRequest *req, uint8_t *buf)
{
int rc;
if (req->dev->type == TYPE_TAPE) {
rc = scsi_req_stream_length(&req->cmd, req->dev, buf);
} else {
rc = scsi_req_length(&req->cmd, req->dev, buf);
}
if (rc != 0)
return rc;
assert(buf == req->cmd.buf);
scsi_cmd_xfer_mode(&req->cmd);
req->cmd.lba = scsi_cmd_lba(&req->cmd);
trace_scsi_req_parsed(req->dev->id, req->lun, req->tag, buf[0],
req->cmd.mode, req->cmd.xfer);
if (req->cmd.lba != -1) {
trace_scsi_req_parsed_lba(req->dev->id, req->lun, req->tag, buf[0],
req->cmd.lba);
}
return 0;
}
| 11,951 |
qemu | 937251408051e0489f78e4db3c92e045b147b38b | 0 | void virtqueue_map_sg(struct iovec *sg, hwaddr *addr,
size_t num_sg, int is_write)
{
unsigned int i;
hwaddr len;
if (num_sg >= VIRTQUEUE_MAX_SIZE) {
error_report("virtio: map attempt out of bounds: %zd > %d",
num_sg, VIRTQUEUE_MAX_SIZE);
exit(1);
}
for (i = 0; i < num_sg; i++) {
len = sg[i].iov_len;
sg[i].iov_base = cpu_physical_memory_map(addr[i], &len, is_write);
if (sg[i].iov_base == NULL || len != sg[i].iov_len) {
error_report("virtio: trying to map MMIO memory");
exit(1);
}
}
}
| 11,952 |
qemu | 7385aed20db5d83979f683b9d0048674411e963c | 0 | static inline void gen_op_fcmpeq(int fccno)
{
switch (fccno) {
case 0:
gen_helper_fcmpeq(cpu_env);
break;
case 1:
gen_helper_fcmpeq_fcc1(cpu_env);
break;
case 2:
gen_helper_fcmpeq_fcc2(cpu_env);
break;
case 3:
gen_helper_fcmpeq_fcc3(cpu_env);
break;
}
}
| 11,953 |
qemu | d1048bef9df0aacde9a54bf9b5b97a6e10950d8c | 0 | static bool pc_machine_get_vmport(Object *obj, Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
return pcms->vmport;
}
| 11,954 |
qemu | 49adc5d3f8c6bb75e55ebfeab109c5c37dea65e8 | 0 | pvscsi_convert_sglist(PVSCSIRequest *r)
{
int chunk_size;
uint64_t data_length = r->req.dataLen;
PVSCSISGState sg = r->sg;
while (data_length) {
while (!sg.resid) {
pvscsi_get_next_sg_elem(&sg);
trace_pvscsi_convert_sglist(r->req.context, r->sg.dataAddr,
r->sg.resid);
}
assert(data_length > 0);
chunk_size = MIN((unsigned) data_length, sg.resid);
if (chunk_size) {
qemu_sglist_add(&r->sgl, sg.dataAddr, chunk_size);
}
sg.dataAddr += chunk_size;
data_length -= chunk_size;
sg.resid -= chunk_size;
}
}
| 11,956 |
FFmpeg | 22b37f5d3200cfe4c15eded883663cf0612093c1 | 0 | static void av_estimate_timings_from_pts(AVFormatContext *ic)
{
AVPacket pkt1, *pkt = &pkt1;
AVStream *st;
int read_size, i, ret;
int64_t start_time, end_time, end_time1;
int64_t filesize, offset, duration;
/* we read the first packets to get the first PTS (not fully
accurate, but it is enough now) */
url_fseek(&ic->pb, 0, SEEK_SET);
read_size = 0;
for(;;) {
if (read_size >= DURATION_MAX_READ_SIZE)
break;
/* if all info is available, we can stop */
for(i = 0;i < ic->nb_streams; i++) {
st = ic->streams[i];
if (st->start_time == AV_NOPTS_VALUE)
break;
}
if (i == ic->nb_streams)
break;
ret = av_read_packet(ic, pkt);
if (ret != 0)
break;
read_size += pkt->size;
st = ic->streams[pkt->stream_index];
if (pkt->pts != AV_NOPTS_VALUE) {
if (st->start_time == AV_NOPTS_VALUE)
st->start_time = (int64_t)((double)pkt->pts * ic->pts_num * (double)AV_TIME_BASE / ic->pts_den);
}
av_free_packet(pkt);
}
/* we compute the minimum start_time and use it as default */
start_time = MAXINT64;
for(i = 0; i < ic->nb_streams; i++) {
st = ic->streams[i];
if (st->start_time != AV_NOPTS_VALUE &&
st->start_time < start_time)
start_time = st->start_time;
}
fprintf(stderr, "start=%lld\n", start_time);
if (start_time != MAXINT64)
ic->start_time = start_time;
/* estimate the end time (duration) */
/* XXX: may need to support wrapping */
filesize = ic->file_size;
offset = filesize - DURATION_MAX_READ_SIZE;
if (offset < 0)
offset = 0;
/* flush packet queue */
flush_packet_queue(ic);
url_fseek(&ic->pb, offset, SEEK_SET);
read_size = 0;
for(;;) {
if (read_size >= DURATION_MAX_READ_SIZE)
break;
/* if all info is available, we can stop */
for(i = 0;i < ic->nb_streams; i++) {
st = ic->streams[i];
if (st->duration == AV_NOPTS_VALUE)
break;
}
if (i == ic->nb_streams)
break;
ret = av_read_packet(ic, pkt);
if (ret != 0)
break;
read_size += pkt->size;
st = ic->streams[pkt->stream_index];
if (pkt->pts != AV_NOPTS_VALUE) {
end_time = (int64_t)((double)pkt->pts * ic->pts_num * (double)AV_TIME_BASE / ic->pts_den);
duration = end_time - st->start_time;
if (duration > 0) {
if (st->duration == AV_NOPTS_VALUE ||
st->duration < duration)
st->duration = duration;
}
}
av_free_packet(pkt);
}
/* estimate total duration */
end_time = MININT64;
for(i = 0;i < ic->nb_streams; i++) {
st = ic->streams[i];
if (st->duration != AV_NOPTS_VALUE) {
end_time1 = st->start_time + st->duration;
if (end_time1 > end_time)
end_time = end_time1;
}
}
/* update start_time (new stream may have been created, so we do
it at the end */
if (ic->start_time != AV_NOPTS_VALUE) {
for(i = 0; i < ic->nb_streams; i++) {
st = ic->streams[i];
if (st->start_time == AV_NOPTS_VALUE)
st->start_time = ic->start_time;
}
}
if (end_time != MININT64) {
/* put dummy values for duration if needed */
for(i = 0;i < ic->nb_streams; i++) {
st = ic->streams[i];
if (st->duration == AV_NOPTS_VALUE &&
st->start_time != AV_NOPTS_VALUE)
st->duration = end_time - st->start_time;
}
ic->duration = end_time - ic->start_time;
}
url_fseek(&ic->pb, 0, SEEK_SET);
}
| 11,959 |
qemu | c2b38b277a7882a592f4f2ec955084b2b756daaa | 0 | bool qemu_clock_run_all_timers(void)
{
bool progress = false;
QEMUClockType type;
for (type = 0; type < QEMU_CLOCK_MAX; type++) {
progress |= qemu_clock_run_timers(type);
}
return progress;
}
| 11,960 |
qemu | 08b277ac46da8b02e50cec455eca7cb2d12ffcf0 | 0 | static int put_uint64_as_uint32(QEMUFile *f, void *pv, size_t size,
VMStateField *field, QJSON *vmdesc)
{
uint64_t *v = pv;
qemu_put_be32(f, *v);
return 0;
}
| 11,961 |
qemu | d581eb7ca4b58649ade5fb7570ecf6b4b9a41879 | 0 | static void scsi_dma_restart_bh(void *opaque)
{
SCSIDevice *s = opaque;
SCSIRequest *req, *next;
qemu_bh_delete(s->bh);
s->bh = NULL;
QTAILQ_FOREACH_SAFE(req, &s->requests, next, next) {
scsi_req_ref(req);
if (req->retry) {
req->retry = false;
switch (req->cmd.mode) {
case SCSI_XFER_FROM_DEV:
case SCSI_XFER_TO_DEV:
scsi_req_continue(req);
break;
case SCSI_XFER_NONE:
assert(!req->sg);
scsi_req_dequeue(req);
scsi_req_enqueue(req);
break;
}
}
scsi_req_unref(req);
}
}
| 11,962 |
qemu | 9be385980d37e8f4fd33f605f5fb1c3d144170a8 | 0 | static uint64_t get_guest_rtc_ns(RTCState *s)
{
uint64_t guest_rtc;
uint64_t guest_clock = qemu_clock_get_ns(rtc_clock);
guest_rtc = s->base_rtc * NANOSECONDS_PER_SECOND +
guest_clock - s->last_update + s->offset;
return guest_rtc;
}
| 11,964 |
qemu | c975330ec4f5674f2899331f914c04ecba6edf26 | 0 | static void openpic_reset(DeviceState *d)
{
OpenPICState *opp = FROM_SYSBUS(typeof (*opp), sysbus_from_qdev(d));
int i;
opp->glbc = GLBC_RESET;
/* Initialise controller registers */
opp->frep = ((opp->nb_irqs -1) << FREP_NIRQ_SHIFT) |
((opp->nb_cpus -1) << FREP_NCPU_SHIFT) |
(opp->vid << FREP_VID_SHIFT);
opp->pint = 0;
opp->spve = -1 & opp->spve_mask;
opp->tifr = opp->tifr_reset;
/* Initialise IRQ sources */
for (i = 0; i < opp->max_irq; i++) {
opp->src[i].ipvp = opp->ipvp_reset;
opp->src[i].ide = opp->ide_reset;
}
/* Initialise IRQ destinations */
for (i = 0; i < MAX_CPU; i++) {
opp->dst[i].pctp = 15;
opp->dst[i].pcsr = 0x00000000;
memset(&opp->dst[i].raised, 0, sizeof(IRQ_queue_t));
opp->dst[i].raised.next = -1;
memset(&opp->dst[i].servicing, 0, sizeof(IRQ_queue_t));
opp->dst[i].servicing.next = -1;
}
/* Initialise timers */
for (i = 0; i < MAX_TMR; i++) {
opp->timers[i].ticc = 0;
opp->timers[i].tibc = TIBC_CI;
}
/* Go out of RESET state */
opp->glbc = 0;
}
| 11,966 |
qemu | 0b5c1ce8467384327b80a55218d3e57f48985990 | 0 | static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
int is_write, sigset_t *old_set,
void *puc)
{
TranslationBlock *tb;
int ret;
if (cpu_single_env)
env = cpu_single_env; /* XXX: find a correct solution for multithread */
#if defined(DEBUG_SIGNAL)
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
pc, address, is_write, *(unsigned long *)old_set);
#endif
/* XXX: locking issue */
if (is_write && page_unprotect(h2g(address), pc, puc)) {
return 1;
}
/* see if it is an MMU fault */
ret = cpu_mb_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
if (ret < 0)
return 0; /* not an MMU fault */
if (ret == 0)
return 1; /* the MMU fault was handled without causing real CPU fault */
/* now we have a real cpu fault */
tb = tb_find_pc(pc);
if (tb) {
/* the PC is inside the translated code. It means that we have
a virtual CPU fault */
cpu_restore_state(tb, env, pc, puc);
}
if (ret == 1) {
#if 0
printf("PF exception: PC=0x" TARGET_FMT_lx " error=0x%x %p\n",
env->PC, env->error_code, tb);
#endif
/* we restore the process signal mask as the sigreturn should
do it (XXX: use sigsetjmp) */
sigprocmask(SIG_SETMASK, old_set, NULL);
cpu_loop_exit();
} else {
/* activate soft MMU for this block */
cpu_resume_from_signal(env, puc);
}
/* never comes here */
return 1;
}
| 11,967 |
FFmpeg | 3176217c60ca7828712985092d9102d331ea4f3d | 0 | static int scan_mmco_reset(AVCodecParserContext *s, GetBitContext *gb)
{
H264PredWeightTable pwt;
int slice_type_nos = s->pict_type & 3;
H264ParseContext *p = s->priv_data;
H264Context *h = &p->h;
int list_count, ref_count[2];
if (h->pps.redundant_pic_cnt_present)
get_ue_golomb(gb); // redundant_pic_count
if (slice_type_nos == AV_PICTURE_TYPE_B)
get_bits1(gb); // direct_spatial_mv_pred
if (ff_h264_parse_ref_count(&list_count, ref_count, gb, &h->pps,
slice_type_nos, h->picture_structure) < 0)
return AVERROR_INVALIDDATA;
if (slice_type_nos != AV_PICTURE_TYPE_I) {
int list;
for (list = 0; list < list_count; list++) {
if (get_bits1(gb)) {
int index;
for (index = 0; ; index++) {
unsigned int reordering_of_pic_nums_idc = get_ue_golomb_31(gb);
if (reordering_of_pic_nums_idc < 3)
get_ue_golomb(gb);
else if (reordering_of_pic_nums_idc > 3) {
av_log(h->avctx, AV_LOG_ERROR,
"illegal reordering_of_pic_nums_idc %d\n",
reordering_of_pic_nums_idc);
return AVERROR_INVALIDDATA;
} else
break;
if (index >= ref_count[list]) {
av_log(h->avctx, AV_LOG_ERROR,
"reference count %d overflow\n", index);
return AVERROR_INVALIDDATA;
}
}
}
}
}
if ((h->pps.weighted_pred && slice_type_nos == AV_PICTURE_TYPE_P) ||
(h->pps.weighted_bipred_idc == 1 && slice_type_nos == AV_PICTURE_TYPE_B))
ff_h264_pred_weight_table(gb, &h->sps, ref_count, slice_type_nos,
&pwt);
if (get_bits1(gb)) { // adaptive_ref_pic_marking_mode_flag
int i;
for (i = 0; i < MAX_MMCO_COUNT; i++) {
MMCOOpcode opcode = get_ue_golomb_31(gb);
if (opcode > (unsigned) MMCO_LONG) {
av_log(h->avctx, AV_LOG_ERROR,
"illegal memory management control operation %d\n",
opcode);
return AVERROR_INVALIDDATA;
}
if (opcode == MMCO_END)
return 0;
else if (opcode == MMCO_RESET)
return 1;
if (opcode == MMCO_SHORT2UNUSED || opcode == MMCO_SHORT2LONG)
get_ue_golomb(gb);
if (opcode == MMCO_SHORT2LONG || opcode == MMCO_LONG2UNUSED ||
opcode == MMCO_LONG || opcode == MMCO_SET_MAX_LONG)
get_ue_golomb_31(gb);
}
}
return 0;
}
| 11,970 |
qemu | 3aa80988430f41847e1b78d165440ac03503b6d0 | 0 | void helper_memalign(uint32_t addr, uint32_t dr, uint32_t wr, uint32_t size)
{
uint32_t mask;
switch (size) {
case 4: mask = 3; break;
case 2: mask = 1; break;
default:
case 1: mask = 0; break;
}
if (addr & mask) {
qemu_log("unaligned access addr=%x size=%d, wr=%d\n",
addr, size, wr);
if (!(env->sregs[SR_MSR] & MSR_EE)) {
return;
}
env->sregs[SR_ESR] = ESR_EC_UNALIGNED_DATA | (wr << 10) \
| (dr & 31) << 5;
if (size == 4) {
env->sregs[SR_ESR] |= 1 << 11;
}
helper_raise_exception(EXCP_HW_EXCP);
}
}
| 11,971 |
qemu | 61007b316cd71ee7333ff7a0a749a8949527575f | 0 | static inline bool bdrv_req_is_aligned(BlockDriverState *bs,
int64_t offset, size_t bytes)
{
int64_t align = bdrv_get_align(bs);
return !(offset & (align - 1) || (bytes & (align - 1)));
}
| 11,972 |
qemu | bf6247fb7639bc3492e769791f6569d65860029b | 0 | static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
long search_pc)
{
int opc, op_index, macro_op_index;
const TCGOpDef *def;
unsigned int dead_iargs;
const TCGArg *args;
#ifdef DEBUG_DISAS
if (unlikely(loglevel & CPU_LOG_TB_OP)) {
fprintf(logfile, "OP:\n");
tcg_dump_ops(s, logfile);
fprintf(logfile, "\n");
}
#endif
tcg_liveness_analysis(s);
#ifdef DEBUG_DISAS
if (unlikely(loglevel & CPU_LOG_TB_OP_OPT)) {
fprintf(logfile, "OP after la:\n");
tcg_dump_ops(s, logfile);
fprintf(logfile, "\n");
}
#endif
tcg_reg_alloc_start(s);
s->code_buf = gen_code_buf;
s->code_ptr = gen_code_buf;
macro_op_index = -1;
args = gen_opparam_buf;
op_index = 0;
for(;;) {
opc = gen_opc_buf[op_index];
#ifdef CONFIG_PROFILER
dyngen_table_op_count[opc]++;
#endif
def = &tcg_op_defs[opc];
#if 0
printf("%s: %d %d %d\n", def->name,
def->nb_oargs, def->nb_iargs, def->nb_cargs);
// dump_regs(s);
#endif
switch(opc) {
case INDEX_op_mov_i32:
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_mov_i64:
#endif
dead_iargs = s->op_dead_iargs[op_index];
tcg_reg_alloc_mov(s, def, args, dead_iargs);
break;
case INDEX_op_nop:
case INDEX_op_nop1:
case INDEX_op_nop2:
case INDEX_op_nop3:
break;
case INDEX_op_nopn:
args += args[0];
goto next;
case INDEX_op_discard:
{
TCGTemp *ts;
ts = &s->temps[args[0]];
/* mark the temporary as dead */
if (ts->val_type != TEMP_VAL_CONST && !ts->fixed_reg) {
if (ts->val_type == TEMP_VAL_REG)
s->reg_to_temp[ts->reg] = -1;
ts->val_type = TEMP_VAL_DEAD;
}
}
break;
case INDEX_op_macro_goto:
macro_op_index = op_index; /* only used for exceptions */
op_index = args[0] - 1;
args = gen_opparam_buf + args[1];
goto next;
case INDEX_op_macro_end:
macro_op_index = -1; /* only used for exceptions */
op_index = args[0] - 1;
args = gen_opparam_buf + args[1];
goto next;
case INDEX_op_macro_start:
/* must never happen here */
tcg_abort();
case INDEX_op_set_label:
tcg_reg_alloc_bb_end(s);
tcg_out_label(s, args[0], (long)s->code_ptr);
break;
case INDEX_op_call:
dead_iargs = s->op_dead_iargs[op_index];
args += tcg_reg_alloc_call(s, def, opc, args, dead_iargs);
goto next;
case INDEX_op_end:
goto the_end;
#ifndef CONFIG_NO_DYNGEN_OP
case 0 ... INDEX_op_end - 1:
/* legacy dyngen ops */
#ifdef CONFIG_PROFILER
{
extern int64_t dyngen_old_op_count;
dyngen_old_op_count++;
}
#endif
tcg_reg_alloc_bb_end(s);
if (search_pc >= 0) {
s->code_ptr += def->copy_size;
args += def->nb_args;
} else {
args = dyngen_op(s, opc, args);
}
goto next;
#endif
default:
/* Note: in order to speed up the code, it would be much
faster to have specialized register allocator functions for
some common argument patterns */
dead_iargs = s->op_dead_iargs[op_index];
tcg_reg_alloc_op(s, def, opc, args, dead_iargs);
break;
}
args += def->nb_args;
next: ;
if (search_pc >= 0 && search_pc < s->code_ptr - gen_code_buf) {
if (macro_op_index >= 0)
return macro_op_index;
else
return op_index;
}
op_index++;
#ifndef NDEBUG
check_regs(s);
#endif
}
the_end:
return -1;
}
| 11,973 |
qemu | 0dfabd39d523fc3f6f0f8c441f41c013cc429b52 | 0 | static uint32_t set_isolation_state(sPAPRDRConnector *drc,
sPAPRDRIsolationState state)
{
trace_spapr_drc_set_isolation_state(spapr_drc_index(drc), state);
/* if the guest is configuring a device attached to this DRC, we
* should reset the configuration state at this point since it may
* no longer be reliable (guest released device and needs to start
* over, or unplug occurred so the FDT is no longer valid)
*/
if (state == SPAPR_DR_ISOLATION_STATE_ISOLATED) {
g_free(drc->ccs);
drc->ccs = NULL;
}
if (state == SPAPR_DR_ISOLATION_STATE_UNISOLATED) {
/* cannot unisolate a non-existent resource, and, or resources
* which are in an 'UNUSABLE' allocation state. (PAPR 2.7, 13.5.3.5)
*/
if (!drc->dev ||
drc->allocation_state == SPAPR_DR_ALLOCATION_STATE_UNUSABLE) {
return RTAS_OUT_NO_SUCH_INDICATOR;
}
}
/*
* Fail any requests to ISOLATE the LMB DRC if this LMB doesn't
* belong to a DIMM device that is marked for removal.
*
* Currently the guest userspace tool drmgr that drives the memory
* hotplug/unplug will just try to remove a set of 'removable' LMBs
* in response to a hot unplug request that is based on drc-count.
* If the LMB being removed doesn't belong to a DIMM device that is
* actually being unplugged, fail the isolation request here.
*/
if (spapr_drc_type(drc) == SPAPR_DR_CONNECTOR_TYPE_LMB) {
if ((state == SPAPR_DR_ISOLATION_STATE_ISOLATED) &&
!drc->awaiting_release) {
return RTAS_OUT_HW_ERROR;
}
}
drc->isolation_state = state;
if (drc->isolation_state == SPAPR_DR_ISOLATION_STATE_ISOLATED) {
/* if we're awaiting release, but still in an unconfigured state,
* it's likely the guest is still in the process of configuring
* the device and is transitioning the devices to an ISOLATED
* state as a part of that process. so we only complete the
* removal when this transition happens for a device in a
* configured state, as suggested by the state diagram from
* PAPR+ 2.7, 13.4
*/
if (drc->awaiting_release) {
uint32_t drc_index = spapr_drc_index(drc);
if (drc->configured) {
trace_spapr_drc_set_isolation_state_finalizing(drc_index);
spapr_drc_detach(drc, DEVICE(drc->dev), NULL);
} else {
trace_spapr_drc_set_isolation_state_deferring(drc_index);
}
}
drc->configured = false;
}
return RTAS_OUT_SUCCESS;
}
| 11,974 |
qemu | 40ff6d7e8dceca227e7f8a3e8e0d58b2c66d19b4 | 1 | static void vnc_listen_read(void *opaque)
{
VncDisplay *vs = opaque;
struct sockaddr_in addr;
socklen_t addrlen = sizeof(addr);
/* Catch-up */
vga_hw_update();
int csock = accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
if (csock != -1) {
vnc_connect(vs, csock);
}
}
| 11,976 |
FFmpeg | f5be7958e313f3f62505ea7f90007800e8e1dcb5 | 0 | static av_cold int qdm2_decode_init(AVCodecContext *avctx)
{
QDM2Context *s = avctx->priv_data;
uint8_t *extradata;
int extradata_size;
int tmp_val, tmp, size;
/* extradata parsing
Structure:
wave {
frma (QDM2)
QDCA
QDCP
}
32 size (including this field)
32 tag (=frma)
32 type (=QDM2 or QDMC)
32 size (including this field, in bytes)
32 tag (=QDCA) // maybe mandatory parameters
32 unknown (=1)
32 channels (=2)
32 samplerate (=44100)
32 bitrate (=96000)
32 block size (=4096)
32 frame size (=256) (for one channel)
32 packet size (=1300)
32 size (including this field, in bytes)
32 tag (=QDCP) // maybe some tuneable parameters
32 float1 (=1.0)
32 zero ?
32 float2 (=1.0)
32 float3 (=1.0)
32 unknown (27)
32 unknown (8)
32 zero ?
*/
if (!avctx->extradata || (avctx->extradata_size < 48)) {
av_log(avctx, AV_LOG_ERROR, "extradata missing or truncated\n");
return -1;
}
extradata = avctx->extradata;
extradata_size = avctx->extradata_size;
while (extradata_size > 7) {
if (!memcmp(extradata, "frmaQDM", 7))
break;
extradata++;
extradata_size--;
}
if (extradata_size < 12) {
av_log(avctx, AV_LOG_ERROR, "not enough extradata (%i)\n",
extradata_size);
return -1;
}
if (memcmp(extradata, "frmaQDM", 7)) {
av_log(avctx, AV_LOG_ERROR, "invalid headers, QDM? not found\n");
return -1;
}
if (extradata[7] == 'C') {
// s->is_qdmc = 1;
av_log(avctx, AV_LOG_ERROR, "stream is QDMC version 1, which is not supported\n");
return -1;
}
extradata += 8;
extradata_size -= 8;
size = AV_RB32(extradata);
if(size > extradata_size){
av_log(avctx, AV_LOG_ERROR, "extradata size too small, %i < %i\n",
extradata_size, size);
return -1;
}
extradata += 4;
av_log(avctx, AV_LOG_DEBUG, "size: %d\n", size);
if (AV_RB32(extradata) != MKBETAG('Q','D','C','A')) {
av_log(avctx, AV_LOG_ERROR, "invalid extradata, expecting QDCA\n");
return -1;
}
extradata += 8;
avctx->channels = s->nb_channels = s->channels = AV_RB32(extradata);
extradata += 4;
if (s->channels > MPA_MAX_CHANNELS)
return AVERROR_INVALIDDATA;
avctx->sample_rate = AV_RB32(extradata);
extradata += 4;
avctx->bit_rate = AV_RB32(extradata);
extradata += 4;
s->group_size = AV_RB32(extradata);
extradata += 4;
s->fft_size = AV_RB32(extradata);
extradata += 4;
s->checksum_size = AV_RB32(extradata);
if (s->checksum_size >= 1U << 28) {
av_log(avctx, AV_LOG_ERROR, "data block size too large (%u)\n", s->checksum_size);
return AVERROR_INVALIDDATA;
}
s->fft_order = av_log2(s->fft_size) + 1;
s->fft_frame_size = 2 * s->fft_size; // complex has two floats
// something like max decodable tones
s->group_order = av_log2(s->group_size) + 1;
s->frame_size = s->group_size / 16; // 16 iterations per super block
if (s->frame_size > QDM2_MAX_FRAME_SIZE)
return AVERROR_INVALIDDATA;
s->sub_sampling = s->fft_order - 7;
s->frequency_range = 255 / (1 << (2 - s->sub_sampling));
switch ((s->sub_sampling * 2 + s->channels - 1)) {
case 0: tmp = 40; break;
case 1: tmp = 48; break;
case 2: tmp = 56; break;
case 3: tmp = 72; break;
case 4: tmp = 80; break;
case 5: tmp = 100;break;
default: tmp=s->sub_sampling; break;
}
tmp_val = 0;
if ((tmp * 1000) < avctx->bit_rate) tmp_val = 1;
if ((tmp * 1440) < avctx->bit_rate) tmp_val = 2;
if ((tmp * 1760) < avctx->bit_rate) tmp_val = 3;
if ((tmp * 2240) < avctx->bit_rate) tmp_val = 4;
s->cm_table_select = tmp_val;
if (s->sub_sampling == 0)
tmp = 7999;
else
tmp = ((-(s->sub_sampling -1)) & 8000) + 20000;
/*
0: 7999 -> 0
1: 20000 -> 2
2: 28000 -> 2
*/
if (tmp < 8000)
s->coeff_per_sb_select = 0;
else if (tmp <= 16000)
s->coeff_per_sb_select = 1;
else
s->coeff_per_sb_select = 2;
// Fail on unknown fft order
if ((s->fft_order < 7) || (s->fft_order > 9)) {
av_log(avctx, AV_LOG_ERROR, "Unknown FFT order (%d), contact the developers!\n", s->fft_order);
return -1;
}
ff_rdft_init(&s->rdft_ctx, s->fft_order, IDFT_C2R);
ff_mpadsp_init(&s->mpadsp);
qdm2_init(s);
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
// dump_context(s);
return 0;
}
| 11,977 |
FFmpeg | 7f2fe444a39bca733d390b6608801c5f002bfd31 | 0 | void MPV_frame_end(MpegEncContext *s)
{
/* draw edge for correct motion prediction if outside */
if (s->pict_type != B_TYPE && !s->intra_only) {
if(s->avctx==NULL || s->avctx->codec->id!=CODEC_ID_MPEG4 || s->divx_version==500){
draw_edges(s->current_picture[0], s->linesize, s->mb_width*16, s->mb_height*16, EDGE_WIDTH);
draw_edges(s->current_picture[1], s->linesize/2, s->mb_width*8, s->mb_height*8, EDGE_WIDTH/2);
draw_edges(s->current_picture[2], s->linesize/2, s->mb_width*8, s->mb_height*8, EDGE_WIDTH/2);
}else{
/* mpeg4? / opendivx / xvid */
draw_edges(s->current_picture[0], s->linesize, s->width, s->height, EDGE_WIDTH);
draw_edges(s->current_picture[1], s->linesize/2, s->width/2, s->height/2, EDGE_WIDTH/2);
draw_edges(s->current_picture[2], s->linesize/2, s->width/2, s->height/2, EDGE_WIDTH/2);
}
}
emms_c();
if(s->pict_type!=B_TYPE){
s->last_non_b_pict_type= s->pict_type;
s->last_non_b_qscale= s->qscale;
s->last_non_b_mc_mb_var= s->mc_mb_var;
s->num_available_buffers++;
if(s->num_available_buffers>2) s->num_available_buffers= 2;
}
}
| 11,982 |
qemu | 82e59a676c01b3df3b53998d428d0a64a55f2439 | 1 | void qmp_memchar_write(const char *device, int64_t size,
const char *data, bool has_format,
enum DataFormat format,
Error **errp)
{
CharDriverState *chr;
guchar *write_data;
int ret;
gsize write_count;
chr = qemu_chr_find(device);
if (!chr) {
error_set(errp, QERR_DEVICE_NOT_FOUND, device);
return;
}
if (qemu_is_chr(chr, "memory")) {
error_setg(errp,"%s is not memory char device", device);
return;
}
write_count = (gsize)size;
if (has_format && (format == DATA_FORMAT_BASE64)) {
write_data = g_base64_decode(data, &write_count);
} else {
write_data = (uint8_t *)data;
}
ret = cirmem_chr_write(chr, write_data, write_count);
if (ret < 0) {
error_setg(errp, "Failed to write to device %s", device);
return;
}
}
| 11,986 |
qemu | 98caa5bc0083ed4fe4833addd3078b56ce2f6cfa | 1 | kern_return_t GetBSDPath( io_iterator_t mediaIterator, char *bsdPath, CFIndex maxPathSize )
{
io_object_t nextMedia;
kern_return_t kernResult = KERN_FAILURE;
*bsdPath = '\0';
nextMedia = IOIteratorNext( mediaIterator );
if ( nextMedia )
{
CFTypeRef bsdPathAsCFString;
bsdPathAsCFString = IORegistryEntryCreateCFProperty( nextMedia, CFSTR( kIOBSDNameKey ), kCFAllocatorDefault, 0 );
if ( bsdPathAsCFString ) {
size_t devPathLength;
strcpy( bsdPath, _PATH_DEV );
strcat( bsdPath, "r" );
devPathLength = strlen( bsdPath );
if ( CFStringGetCString( bsdPathAsCFString, bsdPath + devPathLength, maxPathSize - devPathLength, kCFStringEncodingASCII ) ) {
kernResult = KERN_SUCCESS;
}
CFRelease( bsdPathAsCFString );
}
IOObjectRelease( nextMedia );
}
return kernResult;
}
| 11,987 |
qemu | 4c315c27661502a0813b129e41c0bf640c34a8d6 | 1 | static void host_x86_cpu_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
X86CPUClass *xcc = X86_CPU_CLASS(oc);
uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
xcc->kvm_required = true;
host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx);
host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
host_cpudef.family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
host_cpudef.model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
host_cpudef.stepping = eax & 0x0F;
cpu_x86_fill_model_id(host_cpudef.model_id);
xcc->cpu_def = &host_cpudef;
host_cpudef.cache_info_passthrough = true;
/* level, xlevel, xlevel2, and the feature words are initialized on
* instance_init, because they require KVM to be initialized.
*/
dc->props = host_x86_cpu_properties;
} | 11,989 |
FFmpeg | 28358e466d4f4bc54f8137e0597057f33100b236 | 1 | int ff_http_do_new_request(URLContext *h, const char *uri)
{
HTTPContext *s = h->priv_data;
AVDictionary *options = NULL;
int ret;
ret = http_shutdown(h, h->flags);
if (ret < 0)
return ret;
s->end_chunked_post = 0;
s->chunkend = 0;
s->off = 0;
s->icy_data_read = 0;
av_free(s->location);
s->location = av_strdup(uri);
if (!s->location)
return AVERROR(ENOMEM);
ret = http_open_cnx(h, &options);
av_dict_free(&options);
return ret; | 11,990 |
qemu | 34e1c27bc3094ffe484d9855e07ad104bddf579f | 1 | uint_fast16_t float32_to_uint16_round_to_zero(float32 a STATUS_PARAM)
{
int64_t v;
uint_fast16_t res;
v = float32_to_int64_round_to_zero(a STATUS_VAR);
if (v < 0) {
res = 0;
float_raise( float_flag_invalid STATUS_VAR);
} else if (v > 0xffff) {
res = 0xffff;
float_raise( float_flag_invalid STATUS_VAR);
} else {
res = v;
}
return res;
}
| 11,991 |
qemu | acc086837e49b44f15eff6007bb1726844df7aec | 1 | static int hda_codec_dev_init(DeviceState *qdev, DeviceInfo *base)
{
HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, qdev->parent_bus);
HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
HDACodecDeviceInfo *info = DO_UPCAST(HDACodecDeviceInfo, qdev, base);
dev->info = info;
if (dev->cad == -1) {
dev->cad = bus->next_cad;
}
if (dev->cad > 15)
return -1;
bus->next_cad = dev->cad + 1;
return info->init(dev);
}
| 11,992 |
qemu | 0188fadb7fe460d8c4c743372b1f7b25773e183e | 1 | static void setup_frame_v1(int usig, struct target_sigaction *ka,
target_sigset_t *set, CPUARMState *regs)
{
struct sigframe_v1 *frame;
abi_ulong frame_addr = get_sigframe(ka, regs, sizeof(*frame));
int i;
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0))
return;
setup_sigcontext(&frame->sc, regs, set->sig[0]);
for(i = 1; i < TARGET_NSIG_WORDS; i++) {
if (__put_user(set->sig[i], &frame->extramask[i - 1]))
goto end;
}
setup_return(regs, ka, &frame->retcode, frame_addr, usig,
frame_addr + offsetof(struct sigframe_v1, retcode));
end:
unlock_user_struct(frame, frame_addr, 1);
}
| 11,993 |
qemu | 9a2fd4347c40321f5cbb4ab4220e759fcbf87d03 | 1 | qcrypto_tls_creds_x509_init(Object *obj)
{
object_property_add_bool(obj, "loaded",
qcrypto_tls_creds_x509_prop_get_loaded,
qcrypto_tls_creds_x509_prop_set_loaded,
} | 11,994 |
qemu | ecdd5333ab9ed3f2b848066aaaef02c027b25e36 | 1 | int qcow2_alloc_cluster_offset(BlockDriverState *bs, uint64_t offset,
int n_start, int n_end, int *num, uint64_t *host_offset, QCowL2Meta **m)
{
BDRVQcowState *s = bs->opaque;
uint64_t start, remaining;
uint64_t cluster_offset;
uint64_t cur_bytes;
int ret;
trace_qcow2_alloc_clusters_offset(qemu_coroutine_self(), offset,
n_start, n_end);
assert(n_start * BDRV_SECTOR_SIZE == offset_into_cluster(s, offset));
offset = start_of_cluster(s, offset);
again:
start = offset + (n_start << BDRV_SECTOR_BITS);
remaining = (n_end - n_start) << BDRV_SECTOR_BITS;
cluster_offset = 0;
*host_offset = 0;
while (true) {
/*
* Now start gathering as many contiguous clusters as possible:
*
* 1. Check for overlaps with in-flight allocations
*
* a) Overlap not in the first cluster -> shorten this request and
* let the caller handle the rest in its next loop iteration.
*
* b) Real overlaps of two requests. Yield and restart the search
* for contiguous clusters (the situation could have changed
* while we were sleeping)
*
* c) TODO: Request starts in the same cluster as the in-flight
* allocation ends. Shorten the COW of the in-fight allocation,
* set cluster_offset to write to the same cluster and set up
* the right synchronisation between the in-flight request and
* the new one.
*/
cur_bytes = remaining;
ret = handle_dependencies(bs, start, &cur_bytes);
if (ret == -EAGAIN) {
goto again;
} else if (ret < 0) {
return ret;
} else {
/* handle_dependencies() may have decreased cur_bytes (shortened
* the allocations below) so that the next dependency is processed
* correctly during the next loop iteration. */
}
/*
* 2. Count contiguous COPIED clusters.
*/
ret = handle_copied(bs, start, &cluster_offset, &cur_bytes, m);
if (ret < 0) {
return ret;
} else if (ret) {
if (!*host_offset) {
*host_offset = start_of_cluster(s, cluster_offset);
}
start += cur_bytes;
remaining -= cur_bytes;
cluster_offset += cur_bytes;
cur_bytes = remaining;
} else if (cur_bytes == 0) {
break;
}
/* If there is something left to allocate, do that now */
if (remaining == 0) {
break;
}
/*
* 3. If the request still hasn't completed, allocate new clusters,
* considering any cluster_offset of steps 1c or 2.
*/
ret = handle_alloc(bs, start, &cluster_offset, &cur_bytes, m);
if (ret < 0) {
return ret;
} else if (ret) {
if (!*host_offset) {
*host_offset = start_of_cluster(s, cluster_offset);
}
start += cur_bytes;
remaining -= cur_bytes;
cluster_offset += cur_bytes;
break;
} else {
assert(cur_bytes == 0);
break;
}
}
*num = (n_end - n_start) - (remaining >> BDRV_SECTOR_BITS);
assert(*num > 0);
assert(*host_offset != 0);
return 0;
}
| 11,995 |
FFmpeg | 97f8c6e14753b94c1f6a96fe354a125bbfdea2cb | 0 | static int thread_get_buffer_internal(AVCodecContext *avctx, ThreadFrame *f, int flags)
{
PerThreadContext *p = avctx->thread_opaque;
int err;
f->owner = avctx;
ff_init_buffer_info(avctx, f->f);
if (!(avctx->active_thread_type & FF_THREAD_FRAME))
return ff_get_buffer(avctx, f->f, flags);
if (p->state != STATE_SETTING_UP &&
(avctx->codec->update_thread_context || (!avctx->thread_safe_callbacks &&
avctx->get_buffer != avcodec_default_get_buffer))) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() cannot be called after ff_thread_finish_setup()\n");
return -1;
}
if (avctx->internal->allocate_progress) {
int *progress;
f->progress = av_buffer_alloc(2 * sizeof(int));
if (!f->progress) {
return AVERROR(ENOMEM);
}
progress = (int*)f->progress->data;
progress[0] = progress[1] = -1;
}
pthread_mutex_lock(&p->parent->buffer_mutex);
if (avctx->thread_safe_callbacks || (
#if FF_API_GET_BUFFER
!avctx->get_buffer &&
#endif
avctx->get_buffer2 == avcodec_default_get_buffer2)) {
err = ff_get_buffer(avctx, f->f, flags);
} else {
pthread_mutex_lock(&p->progress_mutex);
p->requested_frame = f->f;
p->requested_flags = flags;
p->state = STATE_GET_BUFFER;
pthread_cond_broadcast(&p->progress_cond);
while (p->state != STATE_SETTING_UP)
pthread_cond_wait(&p->progress_cond, &p->progress_mutex);
err = p->result;
pthread_mutex_unlock(&p->progress_mutex);
if (!avctx->codec->update_thread_context)
ff_thread_finish_setup(avctx);
}
if (err)
av_buffer_unref(&f->progress);
pthread_mutex_unlock(&p->parent->buffer_mutex);
return err;
}
| 11,996 |
qemu | 8b3d26342c4aa171e759e6392fe3b742759d4963 | 1 | static void xio3130_downstream_realize(PCIDevice *d, Error **errp)
{
PCIEPort *p = PCIE_PORT(d);
PCIESlot *s = PCIE_SLOT(d);
int rc;
pci_bridge_initfn(d, TYPE_PCIE_BUS);
pcie_port_init_reg(d);
rc = msi_init(d, XIO3130_MSI_OFFSET, XIO3130_MSI_NR_VECTOR,
XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_64BIT,
XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_MASKBIT,
errp);
if (rc < 0) {
assert(rc == -ENOTSUP);
goto err_bridge;
}
rc = pci_bridge_ssvid_init(d, XIO3130_SSVID_OFFSET,
XIO3130_SSVID_SVID, XIO3130_SSVID_SSID,
errp);
if (rc < 0) {
goto err_bridge;
}
rc = pcie_cap_init(d, XIO3130_EXP_OFFSET, PCI_EXP_TYPE_DOWNSTREAM,
p->port, errp);
if (rc < 0) {
goto err_msi;
}
pcie_cap_flr_init(d);
pcie_cap_deverr_init(d);
pcie_cap_slot_init(d, s->slot);
pcie_cap_arifwd_init(d);
pcie_chassis_create(s->chassis);
rc = pcie_chassis_add_slot(s);
if (rc < 0) {
goto err_pcie_cap;
}
rc = pcie_aer_init(d, PCI_ERR_VER, XIO3130_AER_OFFSET,
PCI_ERR_SIZEOF, errp);
if (rc < 0) {
goto err;
}
return;
err:
pcie_chassis_del_slot(s);
err_pcie_cap:
pcie_cap_exit(d);
err_msi:
msi_uninit(d);
err_bridge:
pci_bridge_exitfn(d);
} | 11,997 |
qemu | e976c6a1e40ad74d616a186d3b48b0ad8f5eb970 | 1 | static int qcow_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
BDRVQcowState *s = bs->opaque;
int ret, index_in_cluster, n;
uint64_t cluster_offset;
int n_end;
while (nb_sectors > 0) {
index_in_cluster = sector_num & (s->cluster_sectors - 1);
n_end = index_in_cluster + nb_sectors;
if (s->crypt_method &&
n_end > QCOW_MAX_CRYPT_CLUSTERS * s->cluster_sectors)
n_end = QCOW_MAX_CRYPT_CLUSTERS * s->cluster_sectors;
cluster_offset = alloc_cluster_offset(bs, sector_num << 9,
index_in_cluster,
n_end, &n);
if (!cluster_offset)
return -1;
if (s->crypt_method) {
encrypt_sectors(s, sector_num, s->cluster_data, buf, n, 1,
&s->aes_encrypt_key);
ret = bdrv_pwrite(s->hd, cluster_offset + index_in_cluster * 512,
s->cluster_data, n * 512);
} else {
ret = bdrv_pwrite(s->hd, cluster_offset + index_in_cluster * 512, buf, n * 512);
}
if (ret != n * 512)
return -1;
nb_sectors -= n;
sector_num += n;
buf += n * 512;
}
s->cluster_cache_offset = -1; /* disable compressed cache */
return 0;
}
| 11,999 |
qemu | 6cec5487990bf3f1f22b3fcb871978255e92ae0d | 1 | static void vnc_dpy_resize(DisplayState *ds)
{
int size_changed;
VncState *vs = ds->opaque;
vs->old_data = qemu_realloc(vs->old_data, ds_get_linesize(ds) * ds_get_height(ds));
if (vs->old_data == NULL) {
fprintf(stderr, "vnc: memory allocation failed\n");
exit(1);
}
if (ds_get_bytes_per_pixel(ds) != vs->depth)
console_color_init(ds);
vnc_colordepth(ds);
size_changed = ds_get_width(ds) != vs->width || ds_get_height(ds) != vs->height;
if (size_changed) {
vs->width = ds_get_width(ds);
vs->height = ds_get_height(ds);
if (vs->csock != -1 && vs->has_resize) {
vnc_write_u8(vs, 0); /* msg id */
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
vnc_framebuffer_update(vs, 0, 0, ds_get_width(ds), ds_get_height(ds), -223);
vnc_flush(vs);
}
}
memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
memset(vs->old_data, 42, ds_get_linesize(vs->ds) * ds_get_height(vs->ds));
}
| 12,000 |
qemu | 21ce148c7ec71ee32834061355a5ecfd1a11f90f | 1 | static inline int cris_bound_b(int v, int b)
{
int r = v;
asm ("bound.b\t%1, %0\n" : "+r" (r) : "ri" (b));
return r;
}
| 12,001 |
qemu | b57ed9bf075e33cdd2f9eb545ff555301dd57221 | 1 | static int virtio_ccw_hcall_notify(const uint64_t *args)
{
uint64_t subch_id = args[0];
uint64_t queue = args[1];
SubchDev *sch;
int cssid, ssid, schid, m;
if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
sch = css_find_subch(m, cssid, ssid, schid);
if (!sch || !css_subch_visible(sch)) {
virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
return 0;
| 12,002 |
FFmpeg | 1c5b712c0a643a039d6f34269b4102de313a050a | 1 | static int dirac_decode_frame_internal(DiracContext *s)
{
DWTContext d;
int y, i, comp, dsty;
int ret;
if (s->low_delay) {
/* [DIRAC_STD] 13.5.1 low_delay_transform_data() */
for (comp = 0; comp < 3; comp++) {
Plane *p = &s->plane[comp];
memset(p->idwt_buf, 0, p->idwt_stride * p->idwt_height * sizeof(IDWTELEM));
}
if (!s->zero_res) {
if ((ret = decode_lowdelay(s)) < 0)
return ret;
}
}
for (comp = 0; comp < 3; comp++) {
Plane *p = &s->plane[comp];
uint8_t *frame = s->current_picture->avframe->data[comp];
/* FIXME: small resolutions */
for (i = 0; i < 4; i++)
s->edge_emu_buffer[i] = s->edge_emu_buffer_base + i*FFALIGN(p->width, 16);
if (!s->zero_res && !s->low_delay)
{
memset(p->idwt_buf, 0, p->idwt_stride * p->idwt_height * sizeof(IDWTELEM));
decode_component(s, comp); /* [DIRAC_STD] 13.4.1 core_transform_data() */
}
ret = ff_spatial_idwt_init2(&d, p->idwt_buf, p->idwt_width, p->idwt_height, p->idwt_stride,
s->wavelet_idx+2, s->wavelet_depth, p->idwt_tmp);
if (ret < 0)
return ret;
if (!s->num_refs) { /* intra */
for (y = 0; y < p->height; y += 16) {
ff_spatial_idwt_slice2(&d, y+16); /* decode */
s->diracdsp.put_signed_rect_clamped(frame + y*p->stride, p->stride,
p->idwt_buf + y*p->idwt_stride, p->idwt_stride, p->width, 16);
}
} else { /* inter */
int rowheight = p->ybsep*p->stride;
select_dsp_funcs(s, p->width, p->height, p->xblen, p->yblen);
for (i = 0; i < s->num_refs; i++)
interpolate_refplane(s, s->ref_pics[i], comp, p->width, p->height);
memset(s->mctmp, 0, 4*p->yoffset*p->stride);
dsty = -p->yoffset;
for (y = 0; y < s->blheight; y++) {
int h = 0,
start = FFMAX(dsty, 0);
uint16_t *mctmp = s->mctmp + y*rowheight;
DiracBlock *blocks = s->blmotion + y*s->blwidth;
init_obmc_weights(s, p, y);
if (y == s->blheight-1 || start+p->ybsep > p->height)
h = p->height - start;
else
h = p->ybsep - (start - dsty);
if (h < 0)
break;
memset(mctmp+2*p->yoffset*p->stride, 0, 2*rowheight);
mc_row(s, blocks, mctmp, comp, dsty);
mctmp += (start - dsty)*p->stride + p->xoffset;
ff_spatial_idwt_slice2(&d, start + h); /* decode */
s->diracdsp.add_rect_clamped(frame + start*p->stride, mctmp, p->stride,
p->idwt_buf + start*p->idwt_stride, p->idwt_stride, p->width, h);
dsty += p->ybsep;
}
}
}
return 0;
}
| 12,003 |
FFmpeg | c7e63546dc38616eb04a2d463170b3c247556149 | 0 | static int mov_read_seek(AVFormatContext *s, int stream_index, int64_t sample_time, int flags)
{
MOVContext* mov = (MOVContext *) s->priv_data;
MOVStreamContext* sc;
int32_t i, a, b, m;
int64_t start_time;
int32_t seek_sample, sample;
int32_t duration;
int32_t count;
int32_t chunk;
int32_t left_in_chunk;
int64_t chunk_file_offset;
int64_t sample_file_offset;
int32_t first_chunk_sample;
int32_t sample_to_chunk_idx;
int sample_to_time_index;
long sample_to_time_sample = 0;
uint64_t sample_to_time_time = 0;
int mov_idx;
// Find the corresponding mov stream
for (mov_idx = 0; mov_idx < mov->total_streams; mov_idx++)
if (mov->streams[mov_idx]->ffindex == stream_index)
break;
if (mov_idx == mov->total_streams) {
av_log(s, AV_LOG_ERROR, "mov: requested stream was not found in mov streams (idx=%i)\n", stream_index);
return -1;
}
sc = mov->streams[mov_idx];
sample_time *= s->streams[stream_index]->time_base.num;
// Step 1. Find the edit that contains the requested time (elst)
if (sc->edit_count && 0) {
// FIXME should handle edit list
av_log(s, AV_LOG_ERROR, "mov: does not handle seeking in files that contain edit list (c:%d)\n", sc->edit_count);
return -1;
}
// Step 2. Find the corresponding sample using the Time-to-sample atom (stts) */
dprintf("Searching for time %li in stream #%i (time_scale=%i)\n", (long)sample_time, mov_idx, sc->time_scale);
start_time = 0; // FIXME use elst atom
sample = 1; // sample are 0 based in table
for (i = 0; i < sc->stts_count; i++) {
count = sc->stts_data[i].count;
duration = sc->stts_data[i].duration;
if ((start_time + count*duration) > sample_time) {
sample_to_time_time = start_time;
sample_to_time_index = i;
sample_to_time_sample = sample;
sample += (sample_time - start_time) / duration;
break;
}
sample += count;
start_time += count * duration;
}
sample_to_time_time = start_time;
sample_to_time_index = i;
/* NOTE: despite what qt doc say, the dt value (Display Time in qt vocabulary) computed with the stts atom
is a decoding time stamp (dts) not a presentation time stamp. And as usual dts != pts for stream with b frames */
dprintf("Found time %li at sample #%u\n", (long)sample_time, sample);
if (sample > sc->sample_count) {
av_log(s, AV_LOG_ERROR, "mov: sample pos is too high, unable to seek (req. sample=%i, sample count=%ld)\n", sample, sc->sample_count);
return -1;
}
// Step 3. Find the prior sync. sample using the Sync sample atom (stss)
if (sc->keyframes) {
a = 0;
b = sc->keyframe_count - 1;
while (a < b) {
m = (a + b + 1) >> 1;
if (sc->keyframes[m] > sample) {
b = m - 1;
} else {
a = m;
}
}
// for low latency prob: always use the previous keyframe, just uncomment the next line
// if (a) a--;
seek_sample = sc->keyframes[a];
}
else
seek_sample = sample; // else all samples are key frames
dprintf("Found nearest keyframe at sample #%i \n", seek_sample);
// Step 4. Find the chunk of the sample using the Sample-to-chunk-atom (stsc)
for (first_chunk_sample = 1, i = 0; i < (sc->sample_to_chunk_sz - 1); i++) {
b = (sc->sample_to_chunk[i + 1].first - sc->sample_to_chunk[i].first) * sc->sample_to_chunk[i].count;
if (seek_sample >= first_chunk_sample && seek_sample < (first_chunk_sample + b))
break;
first_chunk_sample += b;
}
chunk = sc->sample_to_chunk[i].first + (seek_sample - first_chunk_sample) / sc->sample_to_chunk[i].count;
left_in_chunk = sc->sample_to_chunk[i].count - (seek_sample - first_chunk_sample) % sc->sample_to_chunk[i].count;
first_chunk_sample += ((seek_sample - first_chunk_sample) / sc->sample_to_chunk[i].count) * sc->sample_to_chunk[i].count;
sample_to_chunk_idx = i;
dprintf("Sample was found in chunk #%i at sample offset %i (idx %i)\n", chunk, seek_sample - first_chunk_sample, sample_to_chunk_idx);
// Step 5. Find the offset of the chunk using the chunk offset atom
if (!sc->chunk_offsets) {
av_log(s, AV_LOG_ERROR, "mov: no chunk offset atom, unable to seek\n");
return -1;
}
if (chunk > sc->chunk_count) {
av_log(s, AV_LOG_ERROR, "mov: chunk offset atom too short, unable to seek (req. chunk=%i, chunk count=%li)\n", chunk, sc->chunk_count);
return -1;
}
chunk_file_offset = sc->chunk_offsets[chunk - 1];
dprintf("Chunk file offset is #%"PRIu64"\n", chunk_file_offset);
// Step 6. Find the byte offset within the chunk using the sample size atom
sample_file_offset = chunk_file_offset;
if (sc->sample_size)
sample_file_offset += (seek_sample - first_chunk_sample) * sc->sample_size;
else {
for (i = 0; i < (seek_sample - first_chunk_sample); i++) {
sample_file_offset += sc->sample_sizes[first_chunk_sample + i - 1];
}
}
dprintf("Sample file offset is #%"PRIu64"\n", sample_file_offset);
// Step 6. Update the parser
mov->partial = sc;
mov->next_chunk_offset = sample_file_offset;
// Update current stream state
sc->current_sample = seek_sample - 1; // zero based
sc->left_in_chunk = left_in_chunk;
sc->next_chunk = chunk; // +1 -1 (zero based)
sc->sample_to_chunk_index = sample_to_chunk_idx;
// Update other streams
for (i = 0; i<mov->total_streams; i++) {
MOVStreamContext *msc;
if (i == mov_idx) continue;
// Find the nearest 'next' chunk
msc = mov->streams[i];
a = 0;
b = msc->chunk_count - 1;
while (a < b) {
m = (a + b + 1) >> 1;
if (msc->chunk_offsets[m] > chunk_file_offset) {
b = m - 1;
} else {
a = m;
}
}
msc->next_chunk = a;
if (msc->chunk_offsets[a] < chunk_file_offset && a < (msc->chunk_count-1))
msc->next_chunk ++;
dprintf("Nearest next chunk for stream #%i is #%li @%"PRId64"\n", i, msc->next_chunk+1, msc->chunk_offsets[msc->next_chunk]);
// Compute sample count and index in the sample_to_chunk table (what a pity)
msc->sample_to_chunk_index = 0;
msc->current_sample = 0;
for(; msc->sample_to_chunk_index < (msc->sample_to_chunk_sz - 1)
&& msc->sample_to_chunk[msc->sample_to_chunk_index + 1].first <= (1 + msc->next_chunk); msc->sample_to_chunk_index++) {
msc->current_sample += (msc->sample_to_chunk[msc->sample_to_chunk_index + 1].first - msc->sample_to_chunk[msc->sample_to_chunk_index].first) \
* msc->sample_to_chunk[msc->sample_to_chunk_index].count;
}
msc->current_sample += (msc->next_chunk - (msc->sample_to_chunk[msc->sample_to_chunk_index].first - 1)) * sc->sample_to_chunk[msc->sample_to_chunk_index].count;
msc->left_in_chunk = msc->sample_to_chunk[msc->sample_to_chunk_index].count - 1;
// Find corresponding position in stts (used later to compute dts)
sample = 0;
start_time = 0;
for (msc->sample_to_time_index = 0; msc->sample_to_time_index < msc->stts_count; msc->sample_to_time_index++) {
count = msc->stts_data[msc->sample_to_time_index].count;
duration = msc->stts_data[msc->sample_to_time_index].duration;
if ((sample + count - 1) > msc->current_sample) {
msc->sample_to_time_time = start_time;
msc->sample_to_time_sample = sample;
break;
}
sample += count;
start_time += count * duration;
}
sample = 0;
for (msc->sample_to_ctime_index = 0; msc->sample_to_ctime_index < msc->ctts_count; msc->sample_to_ctime_index++) {
count = msc->ctts_data[msc->sample_to_ctime_index].count;
duration = msc->ctts_data[msc->sample_to_ctime_index].duration;
if ((sample + count - 1) > msc->current_sample) {
msc->sample_to_ctime_sample = sample;
break;
}
sample += count;
}
dprintf("Next Sample for stream #%i is #%li @%li\n", i, msc->current_sample + 1, msc->sample_to_chunk_index + 1);
}
return 0;
}
| 12,005 |
FFmpeg | c619ff6daf93a8f3c03decf2d3345d2474c3db91 | 0 | static always_inline int dv_rl2vlc_size(int run, int l)
{
int level = (l ^ (l >> 8)) - (l >> 8);
int size;
if (run < DV_VLC_MAP_RUN_SIZE && level < DV_VLC_MAP_LEV_SIZE) {
size = dv_vlc_map[run][level].size;
}
else {
size = (level < DV_VLC_MAP_LEV_SIZE) ? dv_vlc_map[0][level].size : 16;
if (run) {
size += (run < 16) ? dv_vlc_map[run-1][0].size : 13;
}
}
return size;
}
| 12,007 |
FFmpeg | a7e6fbd90e62d3320b1e26d8209fc0f55ee5b0be | 0 | static int dxtory_decode_v2_444(AVCodecContext *avctx, AVFrame *pic,
const uint8_t *src, int src_size)
{
GetByteContext gb;
GetBitContext gb2;
int nslices, slice, slice_height;
uint32_t off, slice_size;
uint8_t *Y, *U, *V;
int ret;
bytestream2_init(&gb, src, src_size);
nslices = bytestream2_get_le16(&gb);
off = FFALIGN(nslices * 4 + 2, 16);
if (src_size < off) {
av_log(avctx, AV_LOG_ERROR, "no slice data\n");
return AVERROR_INVALIDDATA;
}
if (!nslices || avctx->height % nslices) {
avpriv_request_sample(avctx, "%d slices for %dx%d", nslices,
avctx->width, avctx->height);
return AVERROR_PATCHWELCOME;
}
slice_height = avctx->height / nslices;
avctx->pix_fmt = AV_PIX_FMT_YUV444P;
if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)
return ret;
Y = pic->data[0];
U = pic->data[1];
V = pic->data[2];
for (slice = 0; slice < nslices; slice++) {
slice_size = bytestream2_get_le32(&gb);
ret = check_slice_size(avctx, src, src_size, slice_size, off);
if (ret < 0)
return ret;
init_get_bits(&gb2, src + off + 16, (slice_size - 16) * 8);
dx2_decode_slice_444(&gb2, avctx->width, slice_height, Y, U, V,
pic->linesize[0], pic->linesize[1],
pic->linesize[2]);
Y += pic->linesize[0] * slice_height;
U += pic->linesize[1] * slice_height;
V += pic->linesize[2] * slice_height;
off += slice_size;
}
return 0;
}
| 12,008 |
FFmpeg | 8de3458a07376b0a96772e586b6dba5e93432f52 | 0 | int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
NVENCSTATUS nv_status;
CUresult cu_res;
CUcontext dummy;
NvencSurface *tmpoutsurf, *inSurf;
int res;
NvencContext *ctx = avctx->priv_data;
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
NV_ENC_PIC_PARAMS pic_params = { 0 };
pic_params.version = NV_ENC_PIC_PARAMS_VER;
if (frame) {
inSurf = get_free_frame(ctx);
if (!inSurf) {
av_log(avctx, AV_LOG_ERROR, "No free surfaces\n");
return AVERROR_BUG;
}
cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
if (cu_res != CUDA_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
return AVERROR_EXTERNAL;
}
res = nvenc_upload_frame(avctx, frame, inSurf);
cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
if (cu_res != CUDA_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
return AVERROR_EXTERNAL;
}
if (res) {
inSurf->lockCount = 0;
return res;
}
pic_params.inputBuffer = inSurf->input_surface;
pic_params.bufferFmt = inSurf->format;
pic_params.inputWidth = avctx->width;
pic_params.inputHeight = avctx->height;
pic_params.inputPitch = inSurf->pitch;
pic_params.outputBitstream = inSurf->output_surface;
if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
if (frame->top_field_first)
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
else
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
} else {
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
}
if (ctx->forced_idr >= 0 && frame->pict_type == AV_PICTURE_TYPE_I) {
pic_params.encodePicFlags =
ctx->forced_idr ? NV_ENC_PIC_FLAG_FORCEIDR : NV_ENC_PIC_FLAG_FORCEINTRA;
} else {
pic_params.encodePicFlags = 0;
}
pic_params.inputTimeStamp = frame->pts;
nvenc_codec_specific_pic_params(avctx, &pic_params);
} else {
pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
}
cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
if (cu_res != CUDA_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
return AVERROR_EXTERNAL;
}
nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
if (cu_res != CUDA_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
return AVERROR_EXTERNAL;
}
if (nv_status != NV_ENC_SUCCESS &&
nv_status != NV_ENC_ERR_NEED_MORE_INPUT)
return nvenc_print_error(avctx, nv_status, "EncodePicture failed!");
if (frame) {
av_fifo_generic_write(ctx->output_surface_queue, &inSurf, sizeof(inSurf), NULL);
timestamp_queue_enqueue(ctx->timestamp_list, frame->pts);
if (ctx->initial_pts[0] == AV_NOPTS_VALUE)
ctx->initial_pts[0] = frame->pts;
else if (ctx->initial_pts[1] == AV_NOPTS_VALUE)
ctx->initial_pts[1] = frame->pts;
}
/* all the pending buffers are now ready for output */
if (nv_status == NV_ENC_SUCCESS) {
while (av_fifo_size(ctx->output_surface_queue) > 0) {
av_fifo_generic_read(ctx->output_surface_queue, &tmpoutsurf, sizeof(tmpoutsurf), NULL);
av_fifo_generic_write(ctx->output_surface_ready_queue, &tmpoutsurf, sizeof(tmpoutsurf), NULL);
}
}
if (output_ready(avctx, !frame)) {
av_fifo_generic_read(ctx->output_surface_ready_queue, &tmpoutsurf, sizeof(tmpoutsurf), NULL);
res = process_output_surface(avctx, pkt, tmpoutsurf);
if (res)
return res;
av_assert0(tmpoutsurf->lockCount);
tmpoutsurf->lockCount--;
*got_packet = 1;
} else {
*got_packet = 0;
}
return 0;
}
| 12,009 |
FFmpeg | 5650e331a733711b809bc27f968500f0f5530126 | 0 | static int get_cox(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c)
{
uint8_t byte;
if (s->buf_end - s->buf < 5)
return AVERROR(EINVAL);
c->nreslevels = bytestream_get_byte(&s->buf) + 1; // num of resolution levels - 1
/* compute number of resolution levels to decode */
if (c->nreslevels < s->reduction_factor)
c->nreslevels2decode = 1;
else
c->nreslevels2decode = c->nreslevels - s->reduction_factor;
c->log2_cblk_width = bytestream_get_byte(&s->buf) + 2; // cblk width
c->log2_cblk_height = bytestream_get_byte(&s->buf) + 2; // cblk height
c->cblk_style = bytestream_get_byte(&s->buf);
if (c->cblk_style != 0) { // cblk style
av_log(s->avctx, AV_LOG_ERROR, "no extra cblk styles supported\n");
return -1;
}
c->transform = bytestream_get_byte(&s->buf); // DWT transformation type
/* set integer 9/7 DWT in case of BITEXACT flag */
if ((s->avctx->flags & CODEC_FLAG_BITEXACT) && (c->transform == FF_DWT97))
c->transform = FF_DWT97_INT;
if (c->csty & JPEG2000_CSTY_PREC) {
int i;
for (i = 0; i < c->nreslevels; i++) {
byte = bytestream_get_byte(&s->buf);
c->log2_prec_widths[i] = byte & 0x0F; // precinct PPx
c->log2_prec_heights[i] = (byte >> 4) & 0x0F; // precinct PPy
}
}
return 0;
}
| 12,010 |
FFmpeg | 18c6bd098baba1ace8fea946e4bc0c60098f49d4 | 0 | static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
{
AVFilterContext *ctx = inlink->dst;
TInterlaceContext *tinterlace = ctx->priv;
if (tinterlace->cur)
avfilter_unref_buffer(tinterlace->cur);
tinterlace->cur = tinterlace->next;
tinterlace->next = picref;
}
| 12,011 |
FFmpeg | f0f2218dce194ff50d1fe7ed39011595660143ad | 0 | static int mov_read_trun(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
{
MOVFragment *frag = &c->fragment;
AVStream *st = NULL;
MOVStreamContext *sc;
uint64_t offset;
int64_t dts;
int data_offset = 0;
unsigned entries, first_sample_flags = frag->flags;
int flags, distance, i;
for (i = 0; i < c->fc->nb_streams; i++) {
if (c->fc->streams[i]->id == frag->track_id) {
st = c->fc->streams[i];
break;
}
}
if (!st) {
av_log(c->fc, AV_LOG_ERROR, "could not find corresponding track id %d\n", frag->track_id);
return -1;
}
sc = st->priv_data;
if (sc->pseudo_stream_id+1 != frag->stsd_id)
return 0;
get_byte(pb); /* version */
flags = get_be24(pb);
entries = get_be32(pb);
dprintf(c->fc, "flags 0x%x entries %d\n", flags, entries);
if (flags & 0x001) data_offset = get_be32(pb);
if (flags & 0x004) first_sample_flags = get_be32(pb);
if (flags & 0x800) {
MOVStts *ctts_data;
if ((uint64_t)entries+sc->ctts_count >= UINT_MAX/sizeof(*sc->ctts_data))
return -1;
ctts_data = av_realloc(sc->ctts_data,
(entries+sc->ctts_count)*sizeof(*sc->ctts_data));
if (!ctts_data)
return AVERROR(ENOMEM);
sc->ctts_data = ctts_data;
}
dts = st->duration;
offset = frag->base_data_offset + data_offset;
distance = 0;
dprintf(c->fc, "first sample flags 0x%x\n", first_sample_flags);
for (i = 0; i < entries; i++) {
unsigned sample_size = frag->size;
int sample_flags = i ? frag->flags : first_sample_flags;
unsigned sample_duration = frag->duration;
int keyframe;
if (flags & 0x100) sample_duration = get_be32(pb);
if (flags & 0x200) sample_size = get_be32(pb);
if (flags & 0x400) sample_flags = get_be32(pb);
if (flags & 0x800) {
sc->ctts_data[sc->ctts_count].count = 1;
sc->ctts_data[sc->ctts_count].duration = get_be32(pb);
sc->ctts_count++;
}
if ((keyframe = st->codec->codec_type == CODEC_TYPE_AUDIO ||
(flags & 0x004 && !i && !sample_flags) || sample_flags & 0x2000000))
distance = 0;
av_add_index_entry(st, offset, dts, sample_size, distance,
keyframe ? AVINDEX_KEYFRAME : 0);
dprintf(c->fc, "AVIndex stream %d, sample %d, offset %"PRIx64", dts %"PRId64", "
"size %d, distance %d, keyframe %d\n", st->index, sc->sample_count+i,
offset, dts, sample_size, distance, keyframe);
distance++;
assert(sample_duration % sc->time_rate == 0);
dts += sample_duration / sc->time_rate;
offset += sample_size;
}
frag->moof_offset = offset;
sc->sample_count = st->nb_index_entries;
st->duration = dts;
return 0;
}
| 12,012 |
FFmpeg | e45a2872fafe631c14aee9f79d0963d68c4fc1fd | 0 | void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
{
// Common optimizations whether Altivec is available or not
switch (check_dcbzl_effect()) {
case 32:
c->clear_blocks = clear_blocks_dcbz32_ppc;
break;
case 128:
c->clear_blocks = clear_blocks_dcbz128_ppc;
break;
default:
break;
}
#if HAVE_ALTIVEC
if (has_altivec()) {
mm_flags |= MM_ALTIVEC;
// Altivec specific optimisations
c->pix_abs16x16_x2 = pix_abs16x16_x2_altivec;
c->pix_abs16x16_y2 = pix_abs16x16_y2_altivec;
c->pix_abs16x16_xy2 = pix_abs16x16_xy2_altivec;
c->pix_abs16x16 = pix_abs16x16_altivec;
c->pix_abs8x8 = pix_abs8x8_altivec;
c->sad[0]= sad16x16_altivec;
c->sad[1]= sad8x8_altivec;
c->pix_norm1 = pix_norm1_altivec;
c->sse[1]= sse8_altivec;
c->sse[0]= sse16_altivec;
c->pix_sum = pix_sum_altivec;
c->diff_pixels = diff_pixels_altivec;
c->get_pixels = get_pixels_altivec;
// next one disabled as it's untested.
#if 0
c->add_bytes= add_bytes_altivec;
#endif /* 0 */
c->put_pixels_tab[0][0] = put_pixels16_altivec;
c->avg_pixels_tab[0][0] = avg_pixels16_altivec;
// next one disabled as it's untested.
#if 0
c->avg_pixels_tab[1][0] = avg_pixels8_altivec;
#endif /* 0 */
c->put_pixels_tab[1][3] = put_pixels8_xy2_altivec;
c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_altivec;
c->put_pixels_tab[0][3] = put_pixels16_xy2_altivec;
c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_altivec;
c->gmc1 = gmc1_altivec;
if ((avctx->idct_algo == FF_IDCT_AUTO) ||
(avctx->idct_algo == FF_IDCT_ALTIVEC))
{
c->idct_put = idct_put_altivec;
c->idct_add = idct_add_altivec;
#ifndef ALTIVEC_USE_REFERENCE_C_CODE
c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
c->idct_permutation_type = FF_NO_IDCT_PERM;
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
#ifdef POWERPC_TBL_PERFORMANCE_REPORT
{
int i;
for (i = 0 ; i < powerpc_perf_total ; i++)
{
perfdata[i][powerpc_data_min] = 0xFFFFFFFFFFFFFFFF;
perfdata[i][powerpc_data_max] = 0x0000000000000000;
perfdata[i][powerpc_data_sum] = 0x0000000000000000;
perfdata[i][powerpc_data_num] = 0x0000000000000000;
#ifdef POWERPC_PERF_USE_PMC
perfdata_pmc2[i][powerpc_data_min] = 0xFFFFFFFFFFFFFFFF;
perfdata_pmc2[i][powerpc_data_max] = 0x0000000000000000;
perfdata_pmc2[i][powerpc_data_sum] = 0x0000000000000000;
perfdata_pmc2[i][powerpc_data_num] = 0x0000000000000000;
perfdata_pmc3[i][powerpc_data_min] = 0xFFFFFFFFFFFFFFFF;
perfdata_pmc3[i][powerpc_data_max] = 0x0000000000000000;
perfdata_pmc3[i][powerpc_data_sum] = 0x0000000000000000;
perfdata_pmc3[i][powerpc_data_num] = 0x0000000000000000;
#endif /* POWERPC_PERF_USE_PMC */
}
}
#endif /* POWERPC_TBL_PERFORMANCE_REPORT */
} else
#endif /* HAVE_ALTIVEC */
{
// Non-AltiVec PPC optimisations
// ... pending ...
}
}
| 12,013 |
FFmpeg | d1adad3cca407f493c3637e20ecd4f7124e69212 | 0 | static inline void RENAME(rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size)
{
const uint8_t *s = src;
const uint8_t *end;
#if COMPILE_TEMPLATE_MMX
const uint8_t *mm_end;
#endif
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
#if COMPILE_TEMPLATE_MMX
__asm__ volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm__ volatile(
"movq %0, %%mm7 \n\t"
"movq %1, %%mm6 \n\t"
::"m"(red_15mask),"m"(green_15mask));
mm_end = end - 11;
while (s < mm_end) {
__asm__ volatile(
PREFETCH" 32%1 \n\t"
"movd %1, %%mm0 \n\t"
"movd 3%1, %%mm3 \n\t"
"punpckldq 6%1, %%mm0 \n\t"
"punpckldq 9%1, %%mm3 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm3, %%mm4 \n\t"
"movq %%mm3, %%mm5 \n\t"
"psrlq $3, %%mm0 \n\t"
"psrlq $3, %%mm3 \n\t"
"pand %2, %%mm0 \n\t"
"pand %2, %%mm3 \n\t"
"psrlq $6, %%mm1 \n\t"
"psrlq $6, %%mm4 \n\t"
"pand %%mm6, %%mm1 \n\t"
"pand %%mm6, %%mm4 \n\t"
"psrlq $9, %%mm2 \n\t"
"psrlq $9, %%mm5 \n\t"
"pand %%mm7, %%mm2 \n\t"
"pand %%mm7, %%mm5 \n\t"
"por %%mm1, %%mm0 \n\t"
"por %%mm4, %%mm3 \n\t"
"por %%mm2, %%mm0 \n\t"
"por %%mm5, %%mm3 \n\t"
"psllq $16, %%mm3 \n\t"
"por %%mm3, %%mm0 \n\t"
MOVNTQ" %%mm0, %0 \n\t"
:"=m"(*d):"m"(*s),"m"(blue_15mask):"memory");
d += 4;
s += 12;
}
__asm__ volatile(SFENCE:::"memory");
__asm__ volatile(EMMS:::"memory");
#endif
while (s < end) {
const int b = *s++;
const int g = *s++;
const int r = *s++;
*d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
}
}
| 12,014 |
FFmpeg | 26c208cf0ff59efd7786528884a64d35fc42e9bf | 0 | static double compute_target_delay(double delay, VideoState *is)
{
double sync_threshold, diff;
/* update delay to follow master synchronisation source */
if (get_master_sync_type(is) != AV_SYNC_VIDEO_MASTER) {
/* if video is slave, we try to correct big delays by
duplicating or deleting a frame */
diff = get_video_clock(is) - get_master_clock(is);
/* skip or repeat frame. We take into account the
delay to compute the threshold. I still don't know
if it is the best guess */
sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
if (diff <= -sync_threshold)
delay = 0;
else if (diff >= sync_threshold)
delay = 2 * delay;
}
}
av_dlog(NULL, "video: delay=%0.3f A-V=%f\n",
delay, -diff);
return delay;
}
| 12,015 |
FFmpeg | 1b648c7cdbee335c642bd2c05fe624fc195b85e6 | 0 | static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
{
OutputStream *ost;
AVStream *st = avformat_new_stream(oc, NULL);
int idx = oc->nb_streams - 1, ret = 0;
int64_t max_frames = INT64_MAX;
char *bsf = NULL, *next, *codec_tag = NULL;
AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
double qscale = -1;
char *buf = NULL, *arg = NULL, *preset = NULL;
AVIOContext *s = NULL;
if (!st) {
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
exit_program(1);
}
if (oc->nb_streams - 1 < o->nb_streamid_map)
st->id = o->streamid_map[oc->nb_streams - 1];
output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
nb_output_streams + 1);
ost = &output_streams[nb_output_streams - 1];
ost->file_index = nb_output_files;
ost->index = idx;
ost->st = st;
st->codec->codec_type = type;
ost->enc = choose_codec(o, oc, st, type);
if (ost->enc) {
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
}
avcodec_get_context_defaults3(st->codec, ost->enc);
st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
do {
buf = get_line(s);
if (!buf[0] || buf[0] == '#') {
av_free(buf);
continue;
}
if (!(arg = strchr(buf, '='))) {
av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
exit_program(1);
}
*arg++ = 0;
av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
av_free(buf);
} while (!s->eof_reached);
avio_close(s);
}
if (ret) {
av_log(NULL, AV_LOG_FATAL,
"Preset %s specified for stream %d:%d, but could not be opened.\n",
preset, ost->file_index, ost->index);
exit_program(1);
}
MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
ost->max_frames = max_frames;
MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
while (bsf) {
if (next = strchr(bsf, ','))
*next++ = 0;
if (!(bsfc = av_bitstream_filter_init(bsf))) {
av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
exit_program(1);
}
if (bsfc_prev)
bsfc_prev->next = bsfc;
else
ost->bitstream_filters = bsfc;
bsfc_prev = bsfc;
bsf = next;
}
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
if (codec_tag) {
uint32_t tag = strtol(codec_tag, &next, 0);
if (*next)
tag = AV_RL32(codec_tag);
st->codec->codec_tag = tag;
}
MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
if (qscale >= 0 || same_quant) {
st->codec->flags |= CODEC_FLAG_QSCALE;
st->codec->global_quality = FF_QP2LAMBDA * qscale;
}
if (oc->oformat->flags & AVFMT_GLOBALHEADER)
st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
return ost;
}
| 12,016 |
qemu | a7812ae412311d7d47f8aa85656faadac9d64b56 | 0 | static unsigned int dec_lz_r(DisasContext *dc)
{
TCGv t0;
DIS(fprintf (logfile, "lz $r%u, $r%u\n",
dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZ);
t0 = tcg_temp_new(TCG_TYPE_TL);
dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0, cpu_R[dc->op2], t0);
cris_alu(dc, CC_OP_LZ, cpu_R[dc->op2], cpu_R[dc->op2], t0, 4);
tcg_temp_free(t0);
return 2;
}
| 12,017 |
FFmpeg | d7e14c0d103a2c9cca6c50568e09b40d6f48ea19 | 0 | int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
enum PixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright,
int *color)
{
uint8_t *optr;
int y_shift;
int x_shift;
int yheight;
int i, y;
if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB ||
!is_yuv_planar(&pix_fmt_info[pix_fmt])) return -1;
for (i = 0; i < 3; i++) {
x_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_w : 0;
y_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_h : 0;
if (padtop || padleft) {
memset(dst->data[i], color[i],
dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift));
}
if (padleft || padright) {
optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
(dst->linesize[i] - (padright >> x_shift));
yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
for (y = 0; y < yheight; y++) {
memset(optr, color[i], (padleft + padright) >> x_shift);
optr += dst->linesize[i];
}
}
if (src) { /* first line */
uint8_t *iptr = src->data[i];
optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
(padleft >> x_shift);
memcpy(optr, iptr, (width - padleft - padright) >> x_shift);
iptr += src->linesize[i];
optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
(dst->linesize[i] - (padright >> x_shift));
yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
for (y = 0; y < yheight; y++) {
memset(optr, color[i], (padleft + padright) >> x_shift);
memcpy(optr + ((padleft + padright) >> x_shift), iptr,
(width - padleft - padright) >> x_shift);
iptr += src->linesize[i];
optr += dst->linesize[i];
}
}
if (padbottom || padright) {
optr = dst->data[i] + dst->linesize[i] *
((height - padbottom) >> y_shift) - (padright >> x_shift);
memset(optr, color[i],dst->linesize[i] *
(padbottom >> y_shift) + (padright >> x_shift));
}
}
return 0;
}
| 12,018 |
qemu | c18ad9a54b75495ce61e8b28d353f8eec51768fc | 0 | void ppc_hash64_stop_access(uint64_t token)
{
if (kvmppc_kern_htab) {
kvmppc_hash64_free_pteg(token);
}
}
| 12,019 |
qemu | 7848c8d19f8556666df25044bbd5d8b29439c368 | 0 | void helper_sysret(CPUX86State *env, int dflag)
{
int cpl, selector;
if (!(env->efer & MSR_EFER_SCE)) {
raise_exception_err(env, EXCP06_ILLOP, 0);
}
cpl = env->hflags & HF_CPL_MASK;
if (!(env->cr[0] & CR0_PE_MASK) || cpl != 0) {
raise_exception_err(env, EXCP0D_GPF, 0);
}
selector = (env->star >> 48) & 0xffff;
if (env->hflags & HF_LMA_MASK) {
cpu_load_eflags(env, (uint32_t)(env->regs[11]), TF_MASK | AC_MASK
| ID_MASK | IF_MASK | IOPL_MASK | VM_MASK | RF_MASK |
NT_MASK);
if (dflag == 2) {
cpu_x86_load_seg_cache(env, R_CS, (selector + 16) | 3,
0, 0xffffffff,
DESC_G_MASK | DESC_P_MASK |
DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK |
DESC_L_MASK);
env->eip = env->regs[R_ECX];
} else {
cpu_x86_load_seg_cache(env, R_CS, selector | 3,
0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
env->eip = (uint32_t)env->regs[R_ECX];
}
cpu_x86_load_seg_cache(env, R_SS, selector + 8,
0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
DESC_W_MASK | DESC_A_MASK);
cpu_x86_set_cpl(env, 3);
} else {
env->eflags |= IF_MASK;
cpu_x86_load_seg_cache(env, R_CS, selector | 3,
0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
env->eip = (uint32_t)env->regs[R_ECX];
cpu_x86_load_seg_cache(env, R_SS, selector + 8,
0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
DESC_W_MASK | DESC_A_MASK);
cpu_x86_set_cpl(env, 3);
}
}
| 12,020 |
qemu | 3796f0e1cda41eacf4fc915e7edaf54f2279466c | 0 | static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1)
{
CPUS390XState *env = &cpu->env;
uint8_t order_code;
uint16_t cpu_addr;
int r = -1;
S390CPU *target_cpu;
cpu_synchronize_state(CPU(cpu));
/* get order code */
order_code = decode_basedisp_rs(env, run->s390_sieic.ipb) & SIGP_ORDER_MASK;
cpu_addr = env->regs[ipa1 & 0x0f];
target_cpu = s390_cpu_addr2state(cpu_addr);
if (target_cpu == NULL) {
goto out;
}
switch (order_code) {
case SIGP_START:
r = kvm_s390_cpu_start(target_cpu);
break;
case SIGP_RESTART:
r = kvm_s390_cpu_restart(target_cpu);
break;
case SIGP_SET_ARCH:
/* make the caller panic */
return -1;
case SIGP_INITIAL_CPU_RESET:
r = s390_cpu_initial_reset(target_cpu);
break;
default:
fprintf(stderr, "KVM: unknown SIGP: 0x%x\n", order_code);
break;
}
out:
setcc(cpu, r ? 3 : 0);
return 0;
}
| 12,021 |
qemu | 9c605cb13547a5faa5cb1092e3e44ac8b0d0b841 | 0 | static void dump_ops(const uint16_t *opc_buf)
{
const uint16_t *opc_ptr;
int c;
opc_ptr = opc_buf;
for(;;) {
c = *opc_ptr++;
fprintf(logfile, "0x%04x: %s\n", opc_ptr - opc_buf - 1, op_str[c]);
if (c == INDEX_op_end)
break;
}
}
| 12,022 |
qemu | 8a1c5235510da01a200693fe3cfd87acd2dc1fca | 0 | static int tap_set_sndbuf(TAPState *s, const char *sndbuf_str)
{
int sndbuf = TAP_DEFAULT_SNDBUF;
if (sndbuf_str) {
sndbuf = atoi(sndbuf_str);
}
if (!sndbuf) {
sndbuf = INT_MAX;
}
if (ioctl(s->fd, TUNSETSNDBUF, &sndbuf) == -1 && sndbuf_str) {
qemu_error("TUNSETSNDBUF ioctl failed: %s\n", strerror(errno));
return -1;
}
return 0;
}
| 12,024 |
qemu | 4be746345f13e99e468c60acbd3a355e8183e3ce | 0 | static void virtex_init(MachineState *machine)
{
ram_addr_t ram_size = machine->ram_size;
const char *cpu_model = machine->cpu_model;
const char *kernel_filename = machine->kernel_filename;
const char *kernel_cmdline = machine->kernel_cmdline;
hwaddr initrd_base = 0;
int initrd_size = 0;
MemoryRegion *address_space_mem = get_system_memory();
DeviceState *dev;
PowerPCCPU *cpu;
CPUPPCState *env;
hwaddr ram_base = 0;
DriveInfo *dinfo;
MemoryRegion *phys_ram = g_new(MemoryRegion, 1);
qemu_irq irq[32], *cpu_irq;
int kernel_size;
int i;
/* init CPUs */
if (cpu_model == NULL) {
cpu_model = "440-Xilinx";
}
cpu = ppc440_init_xilinx(&ram_size, 1, cpu_model, 400000000);
env = &cpu->env;
qemu_register_reset(main_cpu_reset, cpu);
memory_region_allocate_system_memory(phys_ram, NULL, "ram", ram_size);
memory_region_add_subregion(address_space_mem, ram_base, phys_ram);
dinfo = drive_get(IF_PFLASH, 0, 0);
pflash_cfi01_register(PFLASH_BASEADDR, NULL, "virtex.flash", FLASH_SIZE,
dinfo ? blk_bs(blk_by_legacy_dinfo(dinfo)) : NULL,
(64 * 1024), FLASH_SIZE >> 16,
1, 0x89, 0x18, 0x0000, 0x0, 1);
cpu_irq = (qemu_irq *) &env->irq_inputs[PPC40x_INPUT_INT];
dev = qdev_create(NULL, "xlnx.xps-intc");
qdev_prop_set_uint32(dev, "kind-of-intr", 0);
qdev_init_nofail(dev);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, INTC_BASEADDR);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, cpu_irq[0]);
for (i = 0; i < 32; i++) {
irq[i] = qdev_get_gpio_in(dev, i);
}
serial_mm_init(address_space_mem, UART16550_BASEADDR, 2, irq[UART16550_IRQ],
115200, serial_hds[0], DEVICE_LITTLE_ENDIAN);
/* 2 timers at irq 2 @ 62 Mhz. */
dev = qdev_create(NULL, "xlnx.xps-timer");
qdev_prop_set_uint32(dev, "one-timer-only", 0);
qdev_prop_set_uint32(dev, "clock-frequency", 62 * 1000000);
qdev_init_nofail(dev);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, TIMER_BASEADDR);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[TIMER_IRQ]);
if (kernel_filename) {
uint64_t entry, low, high;
hwaddr boot_offset;
/* Boots a kernel elf binary. */
kernel_size = load_elf(kernel_filename, NULL, NULL,
&entry, &low, &high, 1, ELF_MACHINE, 0);
boot_info.bootstrap_pc = entry & 0x00ffffff;
if (kernel_size < 0) {
boot_offset = 0x1200000;
/* If we failed loading ELF's try a raw image. */
kernel_size = load_image_targphys(kernel_filename,
boot_offset,
ram_size);
boot_info.bootstrap_pc = boot_offset;
high = boot_info.bootstrap_pc + kernel_size + 8192;
}
boot_info.ima_size = kernel_size;
/* Load initrd. */
if (machine->initrd_filename) {
initrd_base = high = ROUND_UP(high, 4);
initrd_size = load_image_targphys(machine->initrd_filename,
high, ram_size - high);
if (initrd_size < 0) {
error_report("couldn't load ram disk '%s'",
machine->initrd_filename);
exit(1);
}
high = ROUND_UP(high + initrd_size, 4);
}
/* Provide a device-tree. */
boot_info.fdt = high + (8192 * 2);
boot_info.fdt &= ~8191;
xilinx_load_device_tree(boot_info.fdt, ram_size,
initrd_base, initrd_size,
kernel_cmdline);
}
env->load_info = &boot_info;
}
| 12,025 |
qemu | a89f364ae8740dfc31b321eed9ee454e996dc3c1 | 0 | static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
uint64_t value64, unsigned size)
{
PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
uint32_t value = value64;
int ack;
addr -= s->offset;
switch (addr) {
case ICR:
s->control = value & 0xfff7;
if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
/* TODO: slave mode */
if (value & (1 << 0)) { /* START condition */
if (s->data & 1)
s->status |= 1 << 0; /* set RWM */
else
s->status &= ~(1 << 0); /* clear RWM */
ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
} else {
if (s->status & (1 << 0)) { /* RWM */
s->data = i2c_recv(s->bus);
if (value & (1 << 2)) /* ACKNAK */
i2c_nack(s->bus);
ack = 1;
} else
ack = !i2c_send(s->bus, s->data);
}
if (value & (1 << 1)) /* STOP condition */
i2c_end_transfer(s->bus);
if (ack) {
if (value & (1 << 0)) /* START condition */
s->status |= 1 << 6; /* set ITE */
else
if (s->status & (1 << 0)) /* RWM */
s->status |= 1 << 7; /* set IRF */
else
s->status |= 1 << 6; /* set ITE */
s->status &= ~(1 << 1); /* clear ACKNAK */
} else {
s->status |= 1 << 6; /* set ITE */
s->status |= 1 << 10; /* set BED */
s->status |= 1 << 1; /* set ACKNAK */
}
}
if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
if (value & (1 << 4)) /* MA */
i2c_end_transfer(s->bus);
pxa2xx_i2c_update(s);
break;
case ISR:
s->status &= ~(value & 0x07f0);
pxa2xx_i2c_update(s);
break;
case ISAR:
i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f);
break;
case IDBR:
s->data = value & 0xff;
break;
default:
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
}
}
| 12,027 |
qemu | 8a354bd935a800dd2d98ac8f30707e2912c80ae6 | 0 | static void ptimer_trigger(ptimer_state *s)
{
if (s->bh) {
qemu_bh_schedule(s->bh);
}
}
| 12,028 |
FFmpeg | 11de006babf735aafa3462d43dd2c02bb6ac6e2f | 0 | static int prepare_input_packet(AVFormatContext *s, AVPacket *pkt)
{
int ret;
ret = check_packet(s, pkt);
if (ret < 0)
return ret;
#if !FF_API_COMPUTE_PKT_FIELDS2
/* sanitize the timestamps */
if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
AVStream *st = s->streams[pkt->stream_index];
/* when there is no reordering (so dts is equal to pts), but
* only one of them is set, set the other as well */
if (!st->internal->reorder) {
if (pkt->pts == AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE)
pkt->pts = pkt->dts;
if (pkt->dts == AV_NOPTS_VALUE && pkt->pts != AV_NOPTS_VALUE)
pkt->dts = pkt->pts;
}
/* check that the timestamps are set */
if (pkt->pts == AV_NOPTS_VALUE || pkt->dts == AV_NOPTS_VALUE) {
av_log(s, AV_LOG_ERROR,
"Timestamps are unset in a packet for stream %d\n", st->index);
return AVERROR(EINVAL);
}
/* check that the dts are increasing (or at least non-decreasing,
* if the format allows it */
if (st->cur_dts != AV_NOPTS_VALUE &&
((!(s->oformat->flags & AVFMT_TS_NONSTRICT) && st->cur_dts >= pkt->dts) ||
st->cur_dts > pkt->dts)) {
av_log(s, AV_LOG_ERROR,
"Application provided invalid, non monotonically increasing "
"dts to muxer in stream %d: %" PRId64 " >= %" PRId64 "\n",
st->index, st->cur_dts, pkt->dts);
return AVERROR(EINVAL);
}
if (pkt->pts < pkt->dts) {
av_log(s, AV_LOG_ERROR, "pts %" PRId64 " < dts %" PRId64 " in stream %d\n",
pkt->pts, pkt->dts, st->index);
return AVERROR(EINVAL);
}
}
#endif
return 0;
}
| 12,029 |
qemu | 37ad223c515da2fe9f1c679768cb5ccaa42e57e1 | 0 | build_tpm2(GArray *table_data, GArray *linker)
{
Acpi20TPM2 *tpm2_ptr;
tpm2_ptr = acpi_data_push(table_data, sizeof *tpm2_ptr);
tpm2_ptr->platform_class = cpu_to_le16(TPM2_ACPI_CLASS_CLIENT);
tpm2_ptr->control_area_address = cpu_to_le64(0);
tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO);
build_header(linker, table_data,
(void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL);
}
| 12,031 |
qemu | 494a8ebe713055d3946183f4b395f85a18b43e9e | 0 | static int proxy_statfs(FsContext *s, V9fsPath *fs_path, struct statfs *stbuf)
{
int retval;
retval = v9fs_request(s->private, T_STATFS, stbuf, "s", fs_path);
if (retval < 0) {
errno = -retval;
return -1;
}
return retval;
}
| 12,032 |
qemu | 10c4c98ab7dc18169b37b76f6ea5e60ebe65222b | 0 | BusState *qbus_create(BusType type, size_t size,
DeviceState *parent, const char *name)
{
BusState *bus;
bus = qemu_mallocz(size);
bus->type = type;
bus->parent = parent;
bus->name = qemu_strdup(name);
LIST_INIT(&bus->children);
if (parent) {
LIST_INSERT_HEAD(&parent->child_bus, bus, sibling);
}
return bus;
}
| 12,033 |
qemu | 10ee2aaa417d8d8978cdb2bbed55ebb152df5f6b | 0 | static void update_sr (AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr)
{
int event = 0;
int level = 0;
uint32_t new_mask = new_sr & SR_INT_MASK;
uint32_t old_mask = r->sr & SR_INT_MASK;
uint32_t masks[] = {GS_PIINT, GS_POINT, GS_MINT};
if (new_mask ^ old_mask) {
/** @todo is IRQ deasserted when only one of status bits is cleared? */
if (!new_mask) {
event = 1;
level = 0;
}
else {
if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) {
event = 1;
level = 1;
}
if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) {
event = 1;
level = 1;
}
}
}
r->sr = new_sr;
dolog ("IOC%d LVB%d sr=%#x event=%d level=%d\n",
r->sr & SR_BCIS, r->sr & SR_LVBCI,
r->sr,
event, level);
if (!event)
return;
if (level) {
s->glob_sta |= masks[r - s->bm_regs];
dolog ("set irq level=1\n");
qemu_set_irq (s->pci_dev->irq[0], 1);
}
else {
s->glob_sta &= ~masks[r - s->bm_regs];
dolog ("set irq level=0\n");
qemu_set_irq (s->pci_dev->irq[0], 0);
}
}
| 12,034 |
qemu | a7812ae412311d7d47f8aa85656faadac9d64b56 | 0 | static unsigned int dec_subu_r(DisasContext *dc)
{
TCGv t0;
int size = memsize_z(dc);
DIS(fprintf (logfile, "subu.%c $r%u, $r%u\n",
memsize_char(size),
dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
t0 = tcg_temp_new(TCG_TYPE_TL);
/* Size can only be qi or hi. */
t_gen_zext(t0, cpu_R[dc->op1], size);
cris_alu(dc, CC_OP_SUB,
cpu_R[dc->op2], cpu_R[dc->op2], t0, 4);
tcg_temp_free(t0);
return 2;
}
| 12,035 |
qemu | 149f54b53b7666a3facd45e86eece60ce7d3b114 | 0 | bool cpu_physical_memory_is_io(hwaddr phys_addr)
{
MemoryRegionSection *section;
section = phys_page_find(address_space_memory.dispatch,
phys_addr >> TARGET_PAGE_BITS);
return !(memory_region_is_ram(section->mr) ||
memory_region_is_romd(section->mr));
}
| 12,037 |
qemu | cdea50ede1b8a2efe989fafc57260053b180219f | 0 | int kvm_cpu_exec(CPUState *env)
{
struct kvm_run *run = env->kvm_run;
int ret;
DPRINTF("kvm_cpu_exec()\n");
if (kvm_arch_process_irqchip_events(env)) {
env->exit_request = 0;
env->exception_index = EXCP_HLT;
return 0;
}
do {
if (env->kvm_vcpu_dirty) {
kvm_arch_put_registers(env, KVM_PUT_RUNTIME_STATE);
env->kvm_vcpu_dirty = 0;
}
kvm_arch_pre_run(env, run);
if (env->exit_request) {
DPRINTF("interrupt exit requested\n");
/*
* KVM requires us to reenter the kernel after IO exits to complete
* instruction emulation. This self-signal will ensure that we
* leave ASAP again.
*/
qemu_cpu_kick_self();
}
cpu_single_env = NULL;
qemu_mutex_unlock_iothread();
ret = kvm_vcpu_ioctl(env, KVM_RUN, 0);
qemu_mutex_lock_iothread();
cpu_single_env = env;
kvm_arch_post_run(env, run);
kvm_flush_coalesced_mmio_buffer();
if (ret == -EINTR || ret == -EAGAIN) {
cpu_exit(env);
DPRINTF("io window exit\n");
ret = 0;
break;
}
if (ret < 0) {
DPRINTF("kvm run failed %s\n", strerror(-ret));
abort();
}
ret = 0; /* exit loop */
switch (run->exit_reason) {
case KVM_EXIT_IO:
DPRINTF("handle_io\n");
kvm_handle_io(run->io.port,
(uint8_t *)run + run->io.data_offset,
run->io.direction,
run->io.size,
run->io.count);
ret = 1;
break;
case KVM_EXIT_MMIO:
DPRINTF("handle_mmio\n");
cpu_physical_memory_rw(run->mmio.phys_addr,
run->mmio.data,
run->mmio.len,
run->mmio.is_write);
ret = 1;
break;
case KVM_EXIT_IRQ_WINDOW_OPEN:
DPRINTF("irq_window_open\n");
break;
case KVM_EXIT_SHUTDOWN:
DPRINTF("shutdown\n");
qemu_system_reset_request();
ret = 1;
break;
case KVM_EXIT_UNKNOWN:
fprintf(stderr, "KVM: unknown exit, hardware reason %" PRIx64 "\n",
(uint64_t)run->hw.hardware_exit_reason);
ret = -1;
break;
#ifdef KVM_CAP_INTERNAL_ERROR_DATA
case KVM_EXIT_INTERNAL_ERROR:
ret = kvm_handle_internal_error(env, run);
break;
#endif
case KVM_EXIT_DEBUG:
DPRINTF("kvm_exit_debug\n");
#ifdef KVM_CAP_SET_GUEST_DEBUG
if (kvm_arch_debug(&run->debug.arch)) {
env->exception_index = EXCP_DEBUG;
return 0;
}
/* re-enter, this exception was guest-internal */
ret = 1;
#endif /* KVM_CAP_SET_GUEST_DEBUG */
break;
default:
DPRINTF("kvm_arch_handle_exit\n");
ret = kvm_arch_handle_exit(env, run);
break;
}
} while (ret > 0);
if (ret < 0) {
cpu_dump_state(env, stderr, fprintf, CPU_DUMP_CODE);
vm_stop(0);
env->exit_request = 1;
}
if (env->exit_request) {
env->exit_request = 0;
env->exception_index = EXCP_INTERRUPT;
}
return ret;
}
| 12,039 |
FFmpeg | b7b8fc340632d15cb3b26a57915ebea84f37d03e | 0 | static void rtsp_send_cmd(AVFormatContext *s,
const char *cmd, RTSPHeader *reply,
unsigned char **content_ptr)
{
RTSPState *rt = s->priv_data;
char buf[4096], buf1[1024], *q;
unsigned char ch;
const char *p;
int content_length, line_count;
unsigned char *content = NULL;
memset(reply, 0, sizeof(RTSPHeader));
rt->seq++;
pstrcpy(buf, sizeof(buf), cmd);
snprintf(buf1, sizeof(buf1), "CSeq: %d\r\n", rt->seq);
pstrcat(buf, sizeof(buf), buf1);
if (rt->session_id[0] != '\0' && !strstr(cmd, "\nIf-Match:")) {
snprintf(buf1, sizeof(buf1), "Session: %s\r\n", rt->session_id);
pstrcat(buf, sizeof(buf), buf1);
}
pstrcat(buf, sizeof(buf), "\r\n");
#ifdef DEBUG
printf("Sending:\n%s--\n", buf);
#endif
url_write(rt->rtsp_hd, buf, strlen(buf));
/* parse reply (XXX: use buffers) */
line_count = 0;
rt->last_reply[0] = '\0';
for(;;) {
q = buf;
for(;;) {
if (url_read(rt->rtsp_hd, &ch, 1) == 0)
break;
if (ch == '\n')
break;
if (ch != '\r') {
if ((q - buf) < sizeof(buf) - 1)
*q++ = ch;
}
}
*q = '\0';
#ifdef DEBUG
printf("line='%s'\n", buf);
#endif
/* test if last line */
if (buf[0] == '\0')
break;
p = buf;
if (line_count == 0) {
/* get reply code */
get_word(buf1, sizeof(buf1), &p);
get_word(buf1, sizeof(buf1), &p);
reply->status_code = atoi(buf1);
} else {
rtsp_parse_line(reply, p);
pstrcat(rt->last_reply, sizeof(rt->last_reply), p);
pstrcat(rt->last_reply, sizeof(rt->last_reply), "\n");
}
line_count++;
}
if (rt->session_id[0] == '\0' && reply->session_id[0] != '\0')
pstrcpy(rt->session_id, sizeof(rt->session_id), reply->session_id);
content_length = reply->content_length;
if (content_length > 0) {
/* leave some room for a trailing '\0' (useful for simple parsing) */
content = av_malloc(content_length + 1);
url_read(rt->rtsp_hd, content, content_length);
content[content_length] = '\0';
}
if (content_ptr)
*content_ptr = content;
}
| 12,040 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void hb_regs_write(void *opaque, target_phys_addr_t offset,
uint64_t value, unsigned size)
{
uint32_t *regs = opaque;
if (offset == 0xf00) {
if (value == 1 || value == 2) {
qemu_system_reset_request();
} else if (value == 3) {
qemu_system_shutdown_request();
}
}
regs[offset/4] = value;
}
| 12,042 |
qemu | 1197cbb9eda1dc82e2fa1815ca62bc3de158353e | 0 | static int print_size(DeviceState *dev, Property *prop, char *dest, size_t len)
{
uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
char suffixes[] = {'T', 'G', 'M', 'K', 'B'};
int i = 0;
uint64_t div;
for (div = 1ULL << 40; !(*ptr / div) ; div >>= 10) {
i++;
}
return snprintf(dest, len, "%0.03f%c", (double)*ptr/div, suffixes[i]);
}
| 12,043 |
qemu | 185698715dfb18c82ad2a5dbc169908602d43e81 | 0 | float64 HELPER(sub_cmp_f64)(CPUState *env, float64 a, float64 b)
{
/* ??? This may incorrectly raise exceptions. */
/* ??? Should flush denormals to zero. */
float64 res;
res = float64_sub(a, b, &env->fp_status);
if (float64_is_nan(res)) {
/* +/-inf compares equal against itself, but sub returns nan. */
if (!float64_is_nan(a)
&& !float64_is_nan(b)) {
res = float64_zero;
if (float64_lt_quiet(a, res, &env->fp_status))
res = float64_chs(res);
}
}
return res;
}
| 12,044 |
qemu | 4be746345f13e99e468c60acbd3a355e8183e3ce | 0 | static void trim_aio_cancel(BlockAIOCB *acb)
{
TrimAIOCB *iocb = container_of(acb, TrimAIOCB, common);
/* Exit the loop so ide_issue_trim_cb will not continue */
iocb->j = iocb->qiov->niov - 1;
iocb->i = (iocb->qiov->iov[iocb->j].iov_len / 8) - 1;
iocb->ret = -ECANCELED;
if (iocb->aiocb) {
bdrv_aio_cancel_async(iocb->aiocb);
iocb->aiocb = NULL;
}
}
| 12,045 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static uint64_t cadence_ttc_read(void *opaque, target_phys_addr_t offset,
unsigned size)
{
uint32_t ret = cadence_ttc_read_imp(opaque, offset);
DB_PRINT("addr: %08x data: %08x\n", offset, ret);
return ret;
}
| 12,046 |
qemu | 0c92e0e6b64c9061f7365a2712b9055ea35b52f9 | 0 | static void scsi_do_read(void *opaque, int ret)
{
SCSIDiskReq *r = opaque;
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
uint32_t n;
if (r->req.aiocb != NULL) {
r->req.aiocb = NULL;
bdrv_acct_done(s->qdev.conf.bs, &r->acct);
}
if (ret < 0) {
if (scsi_handle_rw_error(r, -ret)) {
goto done;
}
}
if (r->req.io_canceled) {
return;
}
/* The request is used as the AIO opaque value, so add a ref. */
scsi_req_ref(&r->req);
if (r->req.sg) {
dma_acct_start(s->qdev.conf.bs, &r->acct, r->req.sg, BDRV_ACCT_READ);
r->req.resid -= r->req.sg->size;
r->req.aiocb = dma_bdrv_read(s->qdev.conf.bs, r->req.sg, r->sector,
scsi_dma_complete, r);
} else {
n = scsi_init_iovec(r, SCSI_DMA_BUF_SIZE);
bdrv_acct_start(s->qdev.conf.bs, &r->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ);
r->req.aiocb = bdrv_aio_readv(s->qdev.conf.bs, r->sector, &r->qiov, n,
scsi_read_complete, r);
}
done:
if (!r->req.io_canceled) {
scsi_req_unref(&r->req);
}
}
| 12,047 |
qemu | 492c30af2567a59413c064f88eb81e1691865195 | 0 | void *etraxfs_dmac_init(CPUState *env,
target_phys_addr_t base, int nr_channels)
{
struct fs_dma_ctrl *ctrl = NULL;
int i;
ctrl = qemu_mallocz(sizeof *ctrl);
if (!ctrl)
return NULL;
ctrl->base = base;
ctrl->env = env;
ctrl->nr_channels = nr_channels;
ctrl->channels = qemu_mallocz(sizeof ctrl->channels[0] * nr_channels);
if (!ctrl->channels)
goto err;
for (i = 0; i < nr_channels; i++)
{
ctrl->channels[i].regmap = cpu_register_io_memory(0,
dma_read,
dma_write,
ctrl);
cpu_register_physical_memory (base + i * 0x2000,
sizeof ctrl->channels[i].regs,
ctrl->channels[i].regmap);
}
/* Hax, we only support one DMA controller at a time. */
etraxfs_dmac = ctrl;
return ctrl;
err:
qemu_free(ctrl->channels);
qemu_free(ctrl);
return NULL;
}
| 12,048 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | void lm4549_write(lm4549_state *s,
target_phys_addr_t offset, uint32_t value)
{
uint16_t *regfile = s->regfile;
assert(offset < 128);
DPRINTF("write [0x%02x] = 0x%04x\n", offset, value);
switch (offset) {
case LM4549_Reset:
lm4549_reset(s);
break;
case LM4549_PCM_Front_DAC_Rate:
regfile[LM4549_PCM_Front_DAC_Rate] = value;
DPRINTF("DAC rate change = %i\n", value);
/* Re-open a voice with the new sample rate */
struct audsettings as;
as.freq = value;
as.nchannels = 2;
as.fmt = AUD_FMT_S16;
as.endianness = 0;
s->voice = AUD_open_out(
&s->card,
s->voice,
"lm4549.out",
s,
lm4549_audio_out_callback,
&as
);
break;
case LM4549_Powerdown_Ctrl_Stat:
value &= ~0xf;
value |= regfile[LM4549_Powerdown_Ctrl_Stat] & 0xf;
regfile[LM4549_Powerdown_Ctrl_Stat] = value;
break;
case LM4549_Ext_Audio_ID:
case LM4549_Vendor_ID1:
case LM4549_Vendor_ID2:
DPRINTF("Write to read-only register 0x%x\n", (int)offset);
break;
default:
/* Store the new value */
regfile[offset] = value;
break;
}
}
| 12,050 |
FFmpeg | 3969b4b861ce8152e3195e8f8c3437abd273b90a | 0 | static void gmc1_motion(MpegEncContext *s,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
uint8_t **ref_picture)
{
uint8_t *ptr;
int offset, src_x, src_y, linesize, uvlinesize;
int motion_x, motion_y;
int emu=0;
motion_x= s->sprite_offset[0][0];
motion_y= s->sprite_offset[0][1];
src_x = s->mb_x * 16 + (motion_x >> (s->sprite_warping_accuracy+1));
src_y = s->mb_y * 16 + (motion_y >> (s->sprite_warping_accuracy+1));
motion_x<<=(3-s->sprite_warping_accuracy);
motion_y<<=(3-s->sprite_warping_accuracy);
src_x = av_clip(src_x, -16, s->width);
if (src_x == s->width)
motion_x =0;
src_y = av_clip(src_y, -16, s->height);
if (src_y == s->height)
motion_y =0;
linesize = s->linesize;
uvlinesize = s->uvlinesize;
ptr = ref_picture[0] + (src_y * linesize) + src_x;
if(s->flags&CODEC_FLAG_EMU_EDGE){
if( (unsigned)src_x >= FFMAX(s->h_edge_pos - 17, 0)
|| (unsigned)src_y >= FFMAX(s->v_edge_pos - 17, 0)){
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
ptr= s->edge_emu_buffer;
}
}
if((motion_x|motion_y)&7){
s->dsp.gmc1(dest_y , ptr , linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
s->dsp.gmc1(dest_y+8, ptr+8, linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
}else{
int dxy;
dxy= ((motion_x>>3)&1) | ((motion_y>>2)&2);
if (s->no_rounding){
s->hdsp.put_no_rnd_pixels_tab[0][dxy](dest_y, ptr, linesize, 16);
}else{
s->hdsp.put_pixels_tab [0][dxy](dest_y, ptr, linesize, 16);
}
}
if(CONFIG_GRAY && s->flags&CODEC_FLAG_GRAY) return;
motion_x= s->sprite_offset[1][0];
motion_y= s->sprite_offset[1][1];
src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy+1));
src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy+1));
motion_x<<=(3-s->sprite_warping_accuracy);
motion_y<<=(3-s->sprite_warping_accuracy);
src_x = av_clip(src_x, -8, s->width>>1);
if (src_x == s->width>>1)
motion_x =0;
src_y = av_clip(src_y, -8, s->height>>1);
if (src_y == s->height>>1)
motion_y =0;
offset = (src_y * uvlinesize) + src_x;
ptr = ref_picture[1] + offset;
if(s->flags&CODEC_FLAG_EMU_EDGE){
if( (unsigned)src_x >= FFMAX((s->h_edge_pos>>1) - 9, 0)
|| (unsigned)src_y >= FFMAX((s->v_edge_pos>>1) - 9, 0)){
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer;
emu=1;
}
}
s->dsp.gmc1(dest_cb, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
ptr = ref_picture[2] + offset;
if(emu){
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer;
}
s->dsp.gmc1(dest_cr, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
return;
}
| 12,051 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void mpcore_scu_write(void *opaque, target_phys_addr_t offset,
uint64_t value, unsigned size)
{
mpcore_priv_state *s = (mpcore_priv_state *)opaque;
/* SCU */
switch (offset) {
case 0: /* Control register. */
s->scu_control = value & 1;
break;
case 0x0c: /* Invalidate all. */
/* This is a no-op as cache is not emulated. */
break;
default:
hw_error("mpcore_priv_read: Bad offset %x\n", (int)offset);
}
}
| 12,052 |
qemu | a7812ae412311d7d47f8aa85656faadac9d64b56 | 0 | static void gen_imull(TCGv a, TCGv b)
{
TCGv tmp1 = tcg_temp_new(TCG_TYPE_I64);
TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_ext_i32_i64(tmp1, a);
tcg_gen_ext_i32_i64(tmp2, b);
tcg_gen_mul_i64(tmp1, tmp1, tmp2);
tcg_gen_trunc_i64_i32(a, tmp1);
tcg_gen_shri_i64(tmp1, tmp1, 32);
tcg_gen_trunc_i64_i32(b, tmp1);
}
| 12,054 |
qemu | ef397e88e96d4a798bd190bcd0c43865c3725ae2 | 1 | void ppc40x_chip_reset (CPUState *env)
{
target_ulong dbsr;
printf("Reset PowerPC chip\n");
cpu_ppc_reset(env);
/* XXX: TODO reset all internal peripherals */
dbsr = env->spr[SPR_40x_DBSR];
dbsr &= ~0x00000300;
dbsr |= 0x00000200;
env->spr[SPR_40x_DBSR] = dbsr;
cpu_loop_exit();
}
| 12,057 |
FFmpeg | 083300bea935d125b83f60d7030f78a7ffb0f3df | 1 | static int thread_get_buffer_internal(AVCodecContext *avctx, ThreadFrame *f, int flags)
{
PerThreadContext *p = avctx->internal->thread_ctx;
int err;
f->owner = avctx;
ff_init_buffer_info(avctx, f->f);
if (!(avctx->active_thread_type & FF_THREAD_FRAME))
return ff_get_buffer(avctx, f->f, flags);
if (atomic_load(&p->state) != STATE_SETTING_UP &&
(avctx->codec->update_thread_context || !THREAD_SAFE_CALLBACKS(avctx))) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() cannot be called after ff_thread_finish_setup()\n");
return -1;
}
if (avctx->internal->allocate_progress) {
atomic_int *progress;
f->progress = av_buffer_alloc(2 * sizeof(*progress));
if (!f->progress) {
return AVERROR(ENOMEM);
}
progress = (atomic_int*)f->progress->data;
atomic_init(&progress[0], -1);
atomic_init(&progress[1], -1);
}
pthread_mutex_lock(&p->parent->buffer_mutex);
if (avctx->thread_safe_callbacks ||
avctx->get_buffer2 == avcodec_default_get_buffer2) {
err = ff_get_buffer(avctx, f->f, flags);
} else {
pthread_mutex_lock(&p->progress_mutex);
p->requested_frame = f->f;
p->requested_flags = flags;
atomic_store_explicit(&p->state, STATE_GET_BUFFER, memory_order_release);
pthread_cond_broadcast(&p->progress_cond);
while (atomic_load(&p->state) != STATE_SETTING_UP)
pthread_cond_wait(&p->progress_cond, &p->progress_mutex);
err = p->result;
pthread_mutex_unlock(&p->progress_mutex);
}
if (!THREAD_SAFE_CALLBACKS(avctx) && !avctx->codec->update_thread_context)
ff_thread_finish_setup(avctx);
if (err)
av_buffer_unref(&f->progress);
pthread_mutex_unlock(&p->parent->buffer_mutex);
return err;
}
| 12,058 |
qemu | 4b236b621bf090509c4a0be372edfd31d13b289a | 1 | static void gen_spr_power5p_lpar(CPUPPCState *env)
{
#if !defined(CONFIG_USER_ONLY)
/* Logical partitionning */
spr_register_kvm(env, SPR_LPCR, "LPCR",
&spr_read_generic, &spr_write_lpcr,
KVM_REG_PPC_LPCR, LPCR_LPES0 | LPCR_LPES1);
#endif
} | 12,059 |
qemu | 233aa5c2d1cf4655ffe335025a68cf5454f87dad | 1 | int inet_connect_opts(QemuOpts *opts, bool block, bool *in_progress,
Error **errp)
{
struct addrinfo *res, *e;
int sock = -1;
res = inet_parse_connect_opts(opts, errp);
if (!res) {
return -1;
}
if (in_progress) {
*in_progress = false;
}
for (e = res; e != NULL; e = e->ai_next) {
sock = inet_connect_addr(e, block, in_progress);
if (sock >= 0) {
break;
}
}
if (sock < 0) {
error_set(errp, QERR_SOCKET_CONNECT_FAILED);
}
freeaddrinfo(res);
return sock;
}
| 12,060 |
qemu | efec3dd631d94160288392721a5f9c39e50fb2bc | 1 | static void via_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->init = vt82c686b_initfn;
k->config_write = vt82c686b_write_config;
k->vendor_id = PCI_VENDOR_ID_VIA;
k->device_id = PCI_DEVICE_ID_VIA_ISA_BRIDGE;
k->class_id = PCI_CLASS_BRIDGE_ISA;
k->revision = 0x40;
dc->desc = "ISA bridge";
dc->no_user = 1;
dc->vmsd = &vmstate_via;
}
| 12,061 |
qemu | c4843a45e3d4f3698b214275ab5e78cdb6a3d212 | 1 | static int vhost_user_reset_device(struct vhost_dev *dev)
{
VhostUserMsg msg = {
.request = VHOST_USER_RESET_OWNER,
.flags = VHOST_USER_VERSION,
};
vhost_user_write(dev, &msg, NULL, 0);
return 0;
}
| 12,062 |
FFmpeg | 8bc396fc0e8769a056375c1c211f389ce0e3ecc5 | 1 | static int vp5_parse_header(VP56Context *s, const uint8_t *buf, int buf_size,
int *golden_frame)
{
VP56RangeCoder *c = &s->c;
int rows, cols;
ff_vp56_init_range_decoder(&s->c, buf, buf_size);
s->framep[VP56_FRAME_CURRENT]->key_frame = !vp56_rac_get(c);
vp56_rac_get(c);
ff_vp56_init_dequant(s, vp56_rac_gets(c, 6));
if (s->framep[VP56_FRAME_CURRENT]->key_frame)
{
vp56_rac_gets(c, 8);
if(vp56_rac_gets(c, 5) > 5)
vp56_rac_gets(c, 2);
if (vp56_rac_get(c)) {
av_log(s->avctx, AV_LOG_ERROR, "interlacing not supported\n");
rows = vp56_rac_gets(c, 8); /* number of stored macroblock rows */
cols = vp56_rac_gets(c, 8); /* number of stored macroblock cols */
vp56_rac_gets(c, 8); /* number of displayed macroblock rows */
vp56_rac_gets(c, 8); /* number of displayed macroblock cols */
vp56_rac_gets(c, 2);
if (!s->macroblocks || /* first frame */
16*cols != s->avctx->coded_width ||
16*rows != s->avctx->coded_height) {
avcodec_set_dimensions(s->avctx, 16*cols, 16*rows);
return 2;
} else if (!s->macroblocks)
return 1;
| 12,063 |
qemu | 3c0c47e3464f3c54bd3f1cc6d4da2cbf7465e295 | 1 | static void spapr_finalize_fdt(sPAPRMachineState *spapr,
hwaddr fdt_addr,
hwaddr rtas_addr,
hwaddr rtas_size)
{
MachineState *machine = MACHINE(qdev_get_machine());
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine);
const char *boot_device = machine->boot_order;
int ret, i;
size_t cb = 0;
char *bootlist;
void *fdt;
sPAPRPHBState *phb;
fdt = g_malloc(FDT_MAX_SIZE);
/* open out the base tree into a temp buffer for the final tweaks */
_FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE)));
ret = spapr_populate_memory(spapr, fdt);
if (ret < 0) {
fprintf(stderr, "couldn't setup memory nodes in fdt\n");
exit(1);
}
ret = spapr_populate_vdevice(spapr->vio_bus, fdt);
if (ret < 0) {
fprintf(stderr, "couldn't setup vio devices in fdt\n");
exit(1);
}
if (object_resolve_path_type("", TYPE_SPAPR_RNG, NULL)) {
ret = spapr_rng_populate_dt(fdt);
if (ret < 0) {
fprintf(stderr, "could not set up rng device in the fdt\n");
exit(1);
}
}
QLIST_FOREACH(phb, &spapr->phbs, list) {
ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt);
if (ret < 0) {
error_report("couldn't setup PCI devices in fdt");
exit(1);
}
}
/* RTAS */
ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size);
if (ret < 0) {
fprintf(stderr, "Couldn't set up RTAS device tree properties\n");
}
/* cpus */
spapr_populate_cpus_dt_node(fdt, spapr);
bootlist = get_boot_devices_list(&cb, true);
if (cb && bootlist) {
int offset = fdt_path_offset(fdt, "/chosen");
if (offset < 0) {
exit(1);
}
for (i = 0; i < cb; i++) {
if (bootlist[i] == '\n') {
bootlist[i] = ' ';
}
}
ret = fdt_setprop_string(fdt, offset, "qemu,boot-list", bootlist);
}
if (boot_device && strlen(boot_device)) {
int offset = fdt_path_offset(fdt, "/chosen");
if (offset < 0) {
exit(1);
}
fdt_setprop_string(fdt, offset, "qemu,boot-device", boot_device);
}
if (!spapr->has_graphics) {
spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
}
if (smc->dr_lmb_enabled) {
_FDT(spapr_drc_populate_dt(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_LMB));
}
if (smc->dr_cpu_enabled) {
int offset = fdt_path_offset(fdt, "/cpus");
ret = spapr_drc_populate_dt(fdt, offset, NULL,
SPAPR_DR_CONNECTOR_TYPE_CPU);
if (ret < 0) {
error_report("Couldn't set up CPU DR device tree properties");
exit(1);
}
}
_FDT((fdt_pack(fdt)));
if (fdt_totalsize(fdt) > FDT_MAX_SIZE) {
error_report("FDT too big ! 0x%x bytes (max is 0x%x)",
fdt_totalsize(fdt), FDT_MAX_SIZE);
exit(1);
}
qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt));
cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt));
g_free(bootlist);
g_free(fdt);
}
| 12,064 |
FFmpeg | 85f477935cd6b34e6ec2716b20e15ce748277a89 | 1 | static av_cold int avs_decode_init(AVCodecContext * avctx)
{
avctx->pix_fmt = PIX_FMT_PAL8;
return 0;
} | 12,065 |
qemu | 692d88b4085559f1254d0e04d64a849ce8ab5932 | 1 | CharDriverState *qemu_chr_alloc(ChardevCommon *backend, Error **errp)
{
CharDriverState *chr = g_malloc0(sizeof(CharDriverState));
qemu_mutex_init(&chr->chr_write_lock);
chr->mux_idx = -1;
if (backend->has_logfile) {
int flags = O_WRONLY | O_CREAT;
if (backend->has_logappend &&
backend->logappend) {
flags |= O_APPEND;
} else {
flags |= O_TRUNC;
}
chr->logfd = qemu_open(backend->logfile, flags, 0666);
if (chr->logfd < 0) {
error_setg_errno(errp, errno,
"Unable to open logfile %s",
backend->logfile);
g_free(chr);
return NULL;
}
} else {
chr->logfd = -1;
}
return chr;
}
| 12,066 |
FFmpeg | ca488ad480360dfafcb5766f7bfbb567a0638979 | 1 | static int read_block(ALSDecContext *ctx, ALSBlockData *bd)
{
GetBitContext *gb = &ctx->gb;
*bd->shift_lsbs = 0;
// read block type flag and read the samples accordingly
if (get_bits1(gb)) {
if (read_var_block_data(ctx, bd))
return -1;
} else {
read_const_block_data(ctx, bd);
}
return 0;
}
| 12,067 |
qemu | 709e4407add7acacc593cb6cdac026558c9a8fb6 | 1 | static bool get_phys_addr(CPUARMState *env, target_ulong address,
int access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *attrs, int *prot,
target_ulong *page_size, uint32_t *fsr,
ARMMMUFaultInfo *fi)
{
if (mmu_idx == ARMMMUIdx_S12NSE0 || mmu_idx == ARMMMUIdx_S12NSE1) {
/* Call ourselves recursively to do the stage 1 and then stage 2
* translations.
*/
if (arm_feature(env, ARM_FEATURE_EL2)) {
hwaddr ipa;
int s2_prot;
int ret;
ret = get_phys_addr(env, address, access_type,
stage_1_mmu_idx(mmu_idx), &ipa, attrs,
prot, page_size, fsr, fi);
/* If S1 fails or S2 is disabled, return early. */
if (ret || regime_translation_disabled(env, ARMMMUIdx_S2NS)) {
*phys_ptr = ipa;
return ret;
}
/* S1 is done. Now do S2 translation. */
ret = get_phys_addr_lpae(env, ipa, access_type, ARMMMUIdx_S2NS,
phys_ptr, attrs, &s2_prot,
page_size, fsr, fi);
fi->s2addr = ipa;
/* Combine the S1 and S2 perms. */
*prot &= s2_prot;
return ret;
} else {
/*
* For non-EL2 CPUs a stage1+stage2 translation is just stage 1.
*/
mmu_idx = stage_1_mmu_idx(mmu_idx);
}
}
/* The page table entries may downgrade secure to non-secure, but
* cannot upgrade an non-secure translation regime's attributes
* to secure.
*/
attrs->secure = regime_is_secure(env, mmu_idx);
attrs->user = regime_is_user(env, mmu_idx);
/* Fast Context Switch Extension. This doesn't exist at all in v8.
* In v7 and earlier it affects all stage 1 translations.
*/
if (address < 0x02000000 && mmu_idx != ARMMMUIdx_S2NS
&& !arm_feature(env, ARM_FEATURE_V8)) {
if (regime_el(env, mmu_idx) == 3) {
address += env->cp15.fcseidr_s;
} else {
address += env->cp15.fcseidr_ns;
}
}
/* pmsav7 has special handling for when MPU is disabled so call it before
* the common MMU/MPU disabled check below.
*/
if (arm_feature(env, ARM_FEATURE_PMSA) &&
arm_feature(env, ARM_FEATURE_V7)) {
bool ret;
*page_size = TARGET_PAGE_SIZE;
ret = get_phys_addr_pmsav7(env, address, access_type, mmu_idx,
phys_ptr, prot, fsr);
qemu_log_mask(CPU_LOG_MMU, "PMSAv7 MPU lookup for %s at 0x%08" PRIx32
" mmu_idx %u -> %s (prot %c%c%c)\n",
access_type == 1 ? "reading" :
(access_type == 2 ? "writing" : "execute"),
(uint32_t)address, mmu_idx,
ret ? "Miss" : "Hit",
*prot & PAGE_READ ? 'r' : '-',
*prot & PAGE_WRITE ? 'w' : '-',
*prot & PAGE_EXEC ? 'x' : '-');
return ret;
}
if (regime_translation_disabled(env, mmu_idx)) {
/* MMU/MPU disabled. */
*phys_ptr = address;
*prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
*page_size = TARGET_PAGE_SIZE;
return 0;
}
if (arm_feature(env, ARM_FEATURE_PMSA)) {
/* Pre-v7 MPU */
*page_size = TARGET_PAGE_SIZE;
return get_phys_addr_pmsav5(env, address, access_type, mmu_idx,
phys_ptr, prot, fsr);
}
if (regime_using_lpae_format(env, mmu_idx)) {
return get_phys_addr_lpae(env, address, access_type, mmu_idx, phys_ptr,
attrs, prot, page_size, fsr, fi);
} else if (regime_sctlr(env, mmu_idx) & SCTLR_XP) {
return get_phys_addr_v6(env, address, access_type, mmu_idx, phys_ptr,
attrs, prot, page_size, fsr, fi);
} else {
return get_phys_addr_v5(env, address, access_type, mmu_idx, phys_ptr,
prot, page_size, fsr, fi);
}
}
| 12,069 |
qemu | b4ba67d9a702507793c2724e56f98e9b0f7be02b | 1 | bool qpci_msix_masked(QPCIDevice *dev, uint16_t entry)
{
uint8_t addr;
uint16_t val;
void *vector_addr = dev->msix_table + (entry * PCI_MSIX_ENTRY_SIZE);
g_assert(dev->msix_enabled);
addr = qpci_find_capability(dev, PCI_CAP_ID_MSIX);
g_assert_cmphex(addr, !=, 0);
val = qpci_config_readw(dev, addr + PCI_MSIX_FLAGS);
if (val & PCI_MSIX_FLAGS_MASKALL) {
return true;
} else {
return (qpci_io_readl(dev, vector_addr + PCI_MSIX_ENTRY_VECTOR_CTRL)
& PCI_MSIX_ENTRY_CTRL_MASKBIT) != 0;
}
}
| 12,070 |
qemu | 6df5718bd3ec56225c44cf96440c723c1b611b87 | 1 | static MegasasCmd *megasas_enqueue_frame(MegasasState *s,
hwaddr frame, uint64_t context, int count)
{
PCIDevice *pcid = PCI_DEVICE(s);
MegasasCmd *cmd = NULL;
int frame_size = MFI_FRAME_SIZE * 16;
hwaddr frame_size_p = frame_size;
cmd = megasas_next_frame(s, frame);
/* All frames busy */
if (!cmd) {
return NULL;
}
if (!cmd->pa) {
cmd->pa = frame;
/* Map all possible frames */
cmd->frame = pci_dma_map(pcid, frame, &frame_size_p, 0);
if (frame_size_p != frame_size) {
trace_megasas_qf_map_failed(cmd->index, (unsigned long)frame);
if (cmd->frame) {
pci_dma_unmap(pcid, cmd->frame, frame_size_p, 0, 0);
cmd->frame = NULL;
cmd->pa = 0;
}
s->event_count++;
return NULL;
}
cmd->pa_size = frame_size_p;
cmd->context = context;
if (!megasas_use_queue64(s)) {
cmd->context &= (uint64_t)0xFFFFFFFF;
}
}
cmd->count = count;
s->busy++;
if (s->consumer_pa) {
s->reply_queue_tail = ldl_le_phys(&address_space_memory,
s->consumer_pa);
}
trace_megasas_qf_enqueue(cmd->index, cmd->count, cmd->context,
s->reply_queue_head, s->reply_queue_tail, s->busy);
return cmd;
}
| 12,071 |
qemu | c919297379e9980c2bcc4d2053addbc1fd6d762b | 1 | static int img_commit(int argc, char **argv)
{
int c, ret, flags;
const char *filename, *fmt, *cache, *base;
BlockBackend *blk;
BlockDriverState *bs, *base_bs;
BlockJob *job;
bool progress = false, quiet = false, drop = false;
bool writethrough;
Error *local_err = NULL;
CommonBlockJobCBInfo cbi;
bool image_opts = false;
AioContext *aio_context;
fmt = NULL;
cache = BDRV_DEFAULT_CACHE;
base = NULL;
for(;;) {
static const struct option long_options[] = {
{"help", no_argument, 0, 'h'},
{"object", required_argument, 0, OPTION_OBJECT},
{"image-opts", no_argument, 0, OPTION_IMAGE_OPTS},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, "f:ht:b:dpq",
long_options, NULL);
if (c == -1) {
break;
}
switch(c) {
case '?':
case 'h':
help();
break;
case 'f':
fmt = optarg;
break;
case 't':
cache = optarg;
break;
case 'b':
base = optarg;
/* -b implies -d */
drop = true;
break;
case 'd':
drop = true;
break;
case 'p':
progress = true;
break;
case 'q':
quiet = true;
break;
case OPTION_OBJECT: {
QemuOpts *opts;
opts = qemu_opts_parse_noisily(&qemu_object_opts,
optarg, true);
if (!opts) {
return 1;
}
} break;
case OPTION_IMAGE_OPTS:
image_opts = true;
break;
}
}
/* Progress is not shown in Quiet mode */
if (quiet) {
progress = false;
}
if (optind != argc - 1) {
error_exit("Expecting one image file name");
}
filename = argv[optind++];
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, NULL)) {
return 1;
}
flags = BDRV_O_RDWR | BDRV_O_UNMAP;
ret = bdrv_parse_cache_mode(cache, &flags, &writethrough);
if (ret < 0) {
error_report("Invalid cache option: %s", cache);
return 1;
}
blk = img_open(image_opts, filename, fmt, flags, writethrough, quiet);
if (!blk) {
return 1;
}
bs = blk_bs(blk);
qemu_progress_init(progress, 1.f);
qemu_progress_print(0.f, 100);
if (base) {
base_bs = bdrv_find_backing_image(bs, base);
if (!base_bs) {
error_setg(&local_err,
"Did not find '%s' in the backing chain of '%s'",
base, filename);
goto done;
}
} else {
/* This is different from QMP, which by default uses the deepest file in
* the backing chain (i.e., the very base); however, the traditional
* behavior of qemu-img commit is using the immediate backing file. */
base_bs = backing_bs(bs);
if (!base_bs) {
error_setg(&local_err, "Image does not have a backing file");
goto done;
}
}
cbi = (CommonBlockJobCBInfo){
.errp = &local_err,
.bs = bs,
};
aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
commit_active_start("commit", bs, base_bs, BLOCK_JOB_DEFAULT, 0,
BLOCKDEV_ON_ERROR_REPORT, NULL, common_block_job_cb,
&cbi, &local_err, false);
aio_context_release(aio_context);
if (local_err) {
goto done;
}
/* When the block job completes, the BlockBackend reference will point to
* the old backing file. In order to avoid that the top image is already
* deleted, so we can still empty it afterwards, increment the reference
* counter here preemptively. */
if (!drop) {
bdrv_ref(bs);
}
job = block_job_get("commit");
run_block_job(job, &local_err);
if (local_err) {
goto unref_backing;
}
if (!drop && bs->drv->bdrv_make_empty) {
ret = bs->drv->bdrv_make_empty(bs);
if (ret) {
error_setg_errno(&local_err, -ret, "Could not empty %s",
filename);
goto unref_backing;
}
}
unref_backing:
if (!drop) {
bdrv_unref(bs);
}
done:
qemu_progress_end();
blk_unref(blk);
if (local_err) {
error_report_err(local_err);
return 1;
}
qprintf(quiet, "Image committed.\n");
return 0;
}
| 12,072 |
FFmpeg | dccaad3bcdc5762141527cb7db7c87f34517f097 | 1 | static int encode_superframe(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr)
{
WMACodecContext *s = avctx->priv_data;
int i, total_gain, ret, error;
s->block_len_bits= s->frame_len_bits; //required by non variable block len
s->block_len = 1 << s->block_len_bits;
apply_window_and_mdct(avctx, frame);
if (s->ms_stereo) {
float a, b;
int i;
for(i = 0; i < s->block_len; i++) {
a = s->coefs[0][i]*0.5;
b = s->coefs[1][i]*0.5;
s->coefs[0][i] = a + b;
s->coefs[1][i] = a - b;
if ((ret = ff_alloc_packet2(avctx, avpkt, 2 * MAX_CODED_SUPERFRAME_SIZE)) < 0)
return ret;
total_gain= 128;
for(i=64; i; i>>=1){
error = encode_frame(s, s->coefs, avpkt->data, avpkt->size,
total_gain - i);
if(error<=0)
total_gain-= i;
while(total_gain <= 128 && error > 0)
error = encode_frame(s, s->coefs, avpkt->data, avpkt->size, total_gain++);
av_assert0((put_bits_count(&s->pb) & 7) == 0);
i= avctx->block_align - (put_bits_count(&s->pb)+7)/8;
av_assert0(i>=0);
while(i--)
put_bits(&s->pb, 8, 'N');
flush_put_bits(&s->pb);
av_assert0(put_bits_ptr(&s->pb) - s->pb.buf == avctx->block_align);
if (frame->pts != AV_NOPTS_VALUE)
avpkt->pts = frame->pts - ff_samples_to_time_base(avctx, avctx->delay);
avpkt->size = avctx->block_align;
*got_packet_ptr = 1;
return 0;
| 12,073 |
FFmpeg | 7faafe606fb25e3c8b3091ea0565b01622c87dd2 | 1 | static int ftp_passive_mode(FTPContext *s)
{
char *res = NULL, *start, *end;
int i;
const char *command = "PASV\r\n";
const int pasv_codes[] = {227, 501, 0}; /* 501 is incorrect code */
if (ftp_send_command(s, command, pasv_codes, &res) != 227 || !res)
goto fail;
start = NULL;
for (i = 0; i < strlen(res); ++i) {
if (res[i] == '(') {
start = res + i + 1;
} else if (res[i] == ')') {
end = res + i;
break;
}
}
if (!start || !end)
goto fail;
*end = '\0';
/* skip ip */
if (!av_strtok(start, ",", &end)) goto fail;
if (!av_strtok(end, ",", &end)) goto fail;
if (!av_strtok(end, ",", &end)) goto fail;
if (!av_strtok(end, ",", &end)) goto fail;
/* parse port number */
start = av_strtok(end, ",", &end);
if (!start) goto fail;
s->server_data_port = atoi(start) * 256;
start = av_strtok(end, ",", &end);
if (!start) goto fail;
s->server_data_port += atoi(start);
av_dlog(s, "Server data port: %d\n", s->server_data_port);
av_free(res);
return 0;
fail:
av_free(res);
s->server_data_port = -1;
return AVERROR(EIO);
}
| 12,074 |
FFmpeg | 0aedab03405849962b469277afe047aa2c61a87f | 1 | static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
void *data, int *data_size,
const uint8_t *buf, int buf_size)
{
WavpackContext *wc = avctx->priv_data;
WavpackFrameContext *s;
void *samples = data;
int samplecount;
int got_terms = 0, got_weights = 0, got_samples = 0, got_entropy = 0, got_bs = 0, got_float = 0;
int got_hybrid = 0;
const uint8_t* orig_buf = buf;
const uint8_t* buf_end = buf + buf_size;
int i, j, id, size, ssize, weights, t;
int bpp, chan, chmask;
if (buf_size == 0){
*data_size = 0;
return 0;
}
if(block_no >= wc->fdec_num && wv_alloc_frame_context(wc) < 0){
av_log(avctx, AV_LOG_ERROR, "Error creating frame decode context\n");
return -1;
}
s = wc->fdec[block_no];
if(!s){
av_log(avctx, AV_LOG_ERROR, "Context for block %d is not present\n", block_no);
return -1;
}
if(!s->samples_left){
memset(s->decorr, 0, MAX_TERMS * sizeof(Decorr));
memset(s->ch, 0, sizeof(s->ch));
s->extra_bits = 0;
s->and = s->or = s->shift = 0;
s->got_extra_bits = 0;
}
if(!wc->mkv_mode){
s->samples = AV_RL32(buf); buf += 4;
if(!s->samples){
*data_size = 0;
return 0;
}
}else{
s->samples = wc->samples;
}
s->frame_flags = AV_RL32(buf); buf += 4;
if(s->frame_flags&0x80){
bpp = sizeof(float);
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
} else if((s->frame_flags&0x03) <= 1){
bpp = 2;
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
} else {
bpp = 4;
avctx->sample_fmt = AV_SAMPLE_FMT_S32;
}
samples = (uint8_t*)samples + bpp * wc->ch_offset;
s->stereo = !(s->frame_flags & WV_MONO);
s->stereo_in = (s->frame_flags & WV_FALSE_STEREO) ? 0 : s->stereo;
s->joint = s->frame_flags & WV_JOINT_STEREO;
s->hybrid = s->frame_flags & WV_HYBRID_MODE;
s->hybrid_bitrate = s->frame_flags & WV_HYBRID_BITRATE;
s->post_shift = 8 * (bpp-1-(s->frame_flags&0x03)) + ((s->frame_flags >> 13) & 0x1f);
s->CRC = AV_RL32(buf); buf += 4;
if(wc->mkv_mode)
buf += 4; //skip block size;
wc->ch_offset += 1 + s->stereo;
s->max_samples = *data_size / (bpp * avctx->channels);
s->max_samples = FFMIN(s->max_samples, s->samples);
if(s->samples_left > 0){
s->max_samples = FFMIN(s->max_samples, s->samples_left);
buf = buf_end;
}
// parse metadata blocks
while(buf < buf_end){
id = *buf++;
size = *buf++;
if(id & WP_IDF_LONG) {
size |= (*buf++) << 8;
size |= (*buf++) << 16;
}
size <<= 1; // size is specified in words
ssize = size;
if(id & WP_IDF_ODD) size--;
if(size < 0){
av_log(avctx, AV_LOG_ERROR, "Got incorrect block %02X with size %i\n", id, size);
break;
}
if(buf + ssize > buf_end){
av_log(avctx, AV_LOG_ERROR, "Block size %i is out of bounds\n", size);
break;
}
if(id & WP_IDF_IGNORE){
buf += ssize;
continue;
}
switch(id & WP_IDF_MASK){
case WP_ID_DECTERMS:
s->terms = size;
if(s->terms > MAX_TERMS){
av_log(avctx, AV_LOG_ERROR, "Too many decorrelation terms\n");
buf += ssize;
continue;
}
for(i = 0; i < s->terms; i++) {
s->decorr[s->terms - i - 1].value = (*buf & 0x1F) - 5;
s->decorr[s->terms - i - 1].delta = *buf >> 5;
buf++;
}
got_terms = 1;
break;
case WP_ID_DECWEIGHTS:
if(!got_terms){
av_log(avctx, AV_LOG_ERROR, "No decorrelation terms met\n");
continue;
}
weights = size >> s->stereo_in;
if(weights > MAX_TERMS || weights > s->terms){
av_log(avctx, AV_LOG_ERROR, "Too many decorrelation weights\n");
buf += ssize;
continue;
}
for(i = 0; i < weights; i++) {
t = (int8_t)(*buf++);
s->decorr[s->terms - i - 1].weightA = t << 3;
if(s->decorr[s->terms - i - 1].weightA > 0)
s->decorr[s->terms - i - 1].weightA += (s->decorr[s->terms - i - 1].weightA + 64) >> 7;
if(s->stereo_in){
t = (int8_t)(*buf++);
s->decorr[s->terms - i - 1].weightB = t << 3;
if(s->decorr[s->terms - i - 1].weightB > 0)
s->decorr[s->terms - i - 1].weightB += (s->decorr[s->terms - i - 1].weightB + 64) >> 7;
}
}
got_weights = 1;
break;
case WP_ID_DECSAMPLES:
if(!got_terms){
av_log(avctx, AV_LOG_ERROR, "No decorrelation terms met\n");
continue;
}
t = 0;
for(i = s->terms - 1; (i >= 0) && (t < size); i--) {
if(s->decorr[i].value > 8){
s->decorr[i].samplesA[0] = wp_exp2(AV_RL16(buf)); buf += 2;
s->decorr[i].samplesA[1] = wp_exp2(AV_RL16(buf)); buf += 2;
if(s->stereo_in){
s->decorr[i].samplesB[0] = wp_exp2(AV_RL16(buf)); buf += 2;
s->decorr[i].samplesB[1] = wp_exp2(AV_RL16(buf)); buf += 2;
t += 4;
}
t += 4;
}else if(s->decorr[i].value < 0){
s->decorr[i].samplesA[0] = wp_exp2(AV_RL16(buf)); buf += 2;
s->decorr[i].samplesB[0] = wp_exp2(AV_RL16(buf)); buf += 2;
t += 4;
}else{
for(j = 0; j < s->decorr[i].value; j++){
s->decorr[i].samplesA[j] = wp_exp2(AV_RL16(buf)); buf += 2;
if(s->stereo_in){
s->decorr[i].samplesB[j] = wp_exp2(AV_RL16(buf)); buf += 2;
}
}
t += s->decorr[i].value * 2 * (s->stereo_in + 1);
}
}
got_samples = 1;
break;
case WP_ID_ENTROPY:
if(size != 6 * (s->stereo_in + 1)){
av_log(avctx, AV_LOG_ERROR, "Entropy vars size should be %i, got %i", 6 * (s->stereo_in + 1), size);
buf += ssize;
continue;
}
for(j = 0; j <= s->stereo_in; j++){
for(i = 0; i < 3; i++){
s->ch[j].median[i] = wp_exp2(AV_RL16(buf));
buf += 2;
}
}
got_entropy = 1;
break;
case WP_ID_HYBRID:
if(s->hybrid_bitrate){
for(i = 0; i <= s->stereo_in; i++){
s->ch[i].slow_level = wp_exp2(AV_RL16(buf));
buf += 2;
size -= 2;
}
}
for(i = 0; i < (s->stereo_in + 1); i++){
s->ch[i].bitrate_acc = AV_RL16(buf) << 16;
buf += 2;
size -= 2;
}
if(size > 0){
for(i = 0; i < (s->stereo_in + 1); i++){
s->ch[i].bitrate_delta = wp_exp2((int16_t)AV_RL16(buf));
buf += 2;
}
}else{
for(i = 0; i < (s->stereo_in + 1); i++)
s->ch[i].bitrate_delta = 0;
}
got_hybrid = 1;
break;
case WP_ID_INT32INFO:
if(size != 4){
av_log(avctx, AV_LOG_ERROR, "Invalid INT32INFO, size = %i, sent_bits = %i\n", size, *buf);
buf += ssize;
continue;
}
if(buf[0])
s->extra_bits = buf[0];
else if(buf[1])
s->shift = buf[1];
else if(buf[2]){
s->and = s->or = 1;
s->shift = buf[2];
}else if(buf[3]){
s->and = 1;
s->shift = buf[3];
}
buf += 4;
break;
case WP_ID_FLOATINFO:
if(size != 4){
av_log(avctx, AV_LOG_ERROR, "Invalid FLOATINFO, size = %i\n", size);
buf += ssize;
continue;
}
s->float_flag = buf[0];
s->float_shift = buf[1];
s->float_max_exp = buf[2];
buf += 4;
got_float = 1;
break;
case WP_ID_DATA:
s->sc.offset = buf - orig_buf;
s->sc.size = size * 8;
init_get_bits(&s->gb, buf, size * 8);
s->data_size = size * 8;
buf += size;
got_bs = 1;
break;
case WP_ID_EXTRABITS:
if(size <= 4){
av_log(avctx, AV_LOG_ERROR, "Invalid EXTRABITS, size = %i\n", size);
buf += size;
continue;
}
s->extra_sc.offset = buf - orig_buf;
s->extra_sc.size = size * 8;
init_get_bits(&s->gb_extra_bits, buf, size * 8);
s->crc_extra_bits = get_bits_long(&s->gb_extra_bits, 32);
buf += size;
s->got_extra_bits = 1;
break;
case WP_ID_CHANINFO:
if(size <= 1){
av_log(avctx, AV_LOG_ERROR, "Insufficient channel information\n");
return -1;
}
chan = *buf++;
switch(size - 2){
case 0:
chmask = *buf;
break;
case 1:
chmask = AV_RL16(buf);
break;
case 2:
chmask = AV_RL24(buf);
break;
case 3:
chmask = AV_RL32(buf);
break;
case 5:
chan |= (buf[1] & 0xF) << 8;
chmask = AV_RL24(buf + 2);
break;
default:
av_log(avctx, AV_LOG_ERROR, "Invalid channel info size %d\n", size);
chan = avctx->channels;
chmask = avctx->channel_layout;
}
if(chan != avctx->channels){
av_log(avctx, AV_LOG_ERROR, "Block reports total %d channels, decoder believes it's %d channels\n",
chan, avctx->channels);
return -1;
}
if(!avctx->channel_layout)
avctx->channel_layout = chmask;
buf += size - 1;
break;
default:
buf += size;
}
if(id & WP_IDF_ODD) buf++;
}
if(!s->samples_left){
if(!got_terms){
av_log(avctx, AV_LOG_ERROR, "No block with decorrelation terms\n");
return -1;
}
if(!got_weights){
av_log(avctx, AV_LOG_ERROR, "No block with decorrelation weights\n");
return -1;
}
if(!got_samples){
av_log(avctx, AV_LOG_ERROR, "No block with decorrelation samples\n");
return -1;
}
if(!got_entropy){
av_log(avctx, AV_LOG_ERROR, "No block with entropy info\n");
return -1;
}
if(s->hybrid && !got_hybrid){
av_log(avctx, AV_LOG_ERROR, "Hybrid config not found\n");
return -1;
}
if(!got_bs){
av_log(avctx, AV_LOG_ERROR, "Packed samples not found\n");
return -1;
}
if(!got_float && avctx->sample_fmt == AV_SAMPLE_FMT_FLT){
av_log(avctx, AV_LOG_ERROR, "Float information not found\n");
return -1;
}
if(s->got_extra_bits && avctx->sample_fmt != AV_SAMPLE_FMT_FLT){
const int size = get_bits_left(&s->gb_extra_bits);
const int wanted = s->samples * s->extra_bits << s->stereo_in;
if(size < wanted){
av_log(avctx, AV_LOG_ERROR, "Too small EXTRABITS\n");
s->got_extra_bits = 0;
}
}
s->samples_left = s->samples;
}else{
init_get_bits(&s->gb, orig_buf + s->sc.offset, s->sc.size);
skip_bits_long(&s->gb, s->sc.bits_used);
if(s->got_extra_bits){
init_get_bits(&s->gb_extra_bits, orig_buf + s->extra_sc.offset,
s->extra_sc.size);
skip_bits_long(&s->gb_extra_bits, s->extra_sc.bits_used);
}
}
if(s->stereo_in){
if(avctx->sample_fmt == AV_SAMPLE_FMT_S16)
samplecount = wv_unpack_stereo(s, &s->gb, samples, AV_SAMPLE_FMT_S16);
else if(avctx->sample_fmt == AV_SAMPLE_FMT_S32)
samplecount = wv_unpack_stereo(s, &s->gb, samples, AV_SAMPLE_FMT_S32);
else
samplecount = wv_unpack_stereo(s, &s->gb, samples, AV_SAMPLE_FMT_FLT);
samplecount >>= 1;
}else{
const int channel_stride = avctx->channels;
if(avctx->sample_fmt == AV_SAMPLE_FMT_S16)
samplecount = wv_unpack_mono(s, &s->gb, samples, AV_SAMPLE_FMT_S16);
else if(avctx->sample_fmt == AV_SAMPLE_FMT_S32)
samplecount = wv_unpack_mono(s, &s->gb, samples, AV_SAMPLE_FMT_S32);
else
samplecount = wv_unpack_mono(s, &s->gb, samples, AV_SAMPLE_FMT_FLT);
if(s->stereo && avctx->sample_fmt == AV_SAMPLE_FMT_S16){
int16_t *dst = (int16_t*)samples + 1;
int16_t *src = (int16_t*)samples;
int cnt = samplecount;
while(cnt--){
*dst = *src;
src += channel_stride;
dst += channel_stride;
}
}else if(s->stereo && avctx->sample_fmt == AV_SAMPLE_FMT_S32){
int32_t *dst = (int32_t*)samples + 1;
int32_t *src = (int32_t*)samples;
int cnt = samplecount;
while(cnt--){
*dst = *src;
src += channel_stride;
dst += channel_stride;
}
}else if(s->stereo){
float *dst = (float*)samples + 1;
float *src = (float*)samples;
int cnt = samplecount;
while(cnt--){
*dst = *src;
src += channel_stride;
dst += channel_stride;
}
}
}
wc->samples_left = s->samples_left;
return samplecount * bpp;
}
| 12,076 |
qemu | c27ff60871aff588a35e51d1a90faed410993e55 | 1 | void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size)
{
VLANState *vlan = vc->vlan;
VLANPacket *packet;
if (vc->link_down)
return;
#ifdef DEBUG_NET
printf("vlan %d send:\n", vlan->id);
hex_dump(stdout, buf, size);
#endif
if (vlan->delivering) {
packet = qemu_malloc(sizeof(VLANPacket) + size);
packet->next = vlan->send_queue;
packet->sender = vc;
packet->size = size;
memcpy(packet->data, buf, size);
vlan->send_queue = packet;
} else {
vlan->delivering = 1;
qemu_deliver_packet(vc, buf, size);
while ((packet = vlan->send_queue) != NULL) {
qemu_deliver_packet(packet->sender, packet->data, packet->size);
vlan->send_queue = packet->next;
qemu_free(packet);
}
vlan->delivering = 0;
}
}
| 12,077 |
qemu | b4ba67d9a702507793c2724e56f98e9b0f7be02b | 1 | static void test_bmdma_one_sector_short_prdt(void)
{
QPCIDevice *dev;
void *bmdma_base, *ide_base;
uint8_t status;
/* Read 2 sectors but only give 1 sector in PRDT */
PrdtEntry prdt[] = {
{
.addr = 0,
.size = cpu_to_le32(0x200 | PRDT_EOT),
},
};
dev = get_pci_device(&bmdma_base, &ide_base);
/* Normal request */
status = send_dma_request(CMD_READ_DMA, 0, 2,
prdt, ARRAY_SIZE(prdt), NULL);
g_assert_cmphex(status, ==, 0);
assert_bit_clear(qpci_io_readb(dev, ide_base + reg_status), DF | ERR);
/* Abort the request before it completes */
status = send_dma_request(CMD_READ_DMA | CMDF_ABORT, 0, 2,
prdt, ARRAY_SIZE(prdt), NULL);
g_assert_cmphex(status, ==, 0);
assert_bit_clear(qpci_io_readb(dev, ide_base + reg_status), DF | ERR);
}
| 12,078 |
qemu | 4d8d5467cd6e324fb49ae97b9d5dcee3973d9a19 | 1 | static uint32_t regtype_to_ss(uint8_t type)
{
if (type & PCI_BASE_ADDRESS_MEM_TYPE_64) {
return 3;
}
if (type == PCI_BASE_ADDRESS_SPACE_IO) {
return 1;
}
return 2;
}
| 12,080 |
FFmpeg | 747a0554ea8ad09404c1f5b80239ebd8d71b291e | 1 | static int swf_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
ByteIOContext *pb = &s->pb;
int nbits, len, frame_rate, tag, v;
AVStream *st;
if ((get_be32(pb) & 0xffffff00) != MKBETAG('F', 'W', 'S', 0))
return -EIO;
get_le32(pb);
/* skip rectangle size */
nbits = get_byte(pb) >> 3;
len = (4 * nbits - 3 + 7) / 8;
url_fskip(pb, len);
frame_rate = get_le16(pb);
get_le16(pb); /* frame count */
for(;;) {
tag = get_swf_tag(pb, &len);
if (tag < 0) {
fprintf(stderr, "No streaming found in SWF\n");
return -EIO;
}
if (tag == TAG_STREAMHEAD) {
/* streaming found */
get_byte(pb);
v = get_byte(pb);
get_le16(pb);
if (len!=4)
url_fskip(pb,len-4);
/* if mp3 streaming found, OK */
if ((v & 0x20) != 0) {
st = av_new_stream(s, 0);
if (!st)
return -ENOMEM;
if (v & 0x01)
st->codec.channels = 2;
else
st->codec.channels = 1;
switch((v>> 2) & 0x03) {
case 1:
st->codec.sample_rate = 11025;
break;
case 2:
st->codec.sample_rate = 22050;
break;
case 3:
st->codec.sample_rate = 44100;
break;
default:
av_free(st);
return -EIO;
}
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_id = CODEC_ID_MP2;
break;
}
} else {
url_fskip(pb, len);
}
}
return 0;
}
| 12,081 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.