project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
qemu | 082c6681b6c4af0035d9dad34a4a784be8c21dbe | 0 | static void gen_spr_620 (CPUPPCState *env)
{
/* XXX : not implemented */
spr_register(env, SPR_620_PMR0, "PMR0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMR1, "PMR1",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMR2, "PMR2",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMR3, "PMR3",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMR4, "PMR4",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMR5, "PMR5",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMR6, "PMR6",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMR7, "PMR7",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMR8, "PMR8",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMR9, "PMR9",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMRA, "PMR10",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMRB, "PMR11",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMRC, "PMR12",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMRD, "PMR13",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMRE, "PMR14",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_PMRF, "PMR15",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_HID8, "HID8",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_620_HID9, "HID9",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
}
| 20,252 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static struct dpll_ctl_s *omap_dpll_init(MemoryRegion *memory,
target_phys_addr_t base, omap_clk clk)
{
struct dpll_ctl_s *s = g_malloc0(sizeof(*s));
memory_region_init_io(&s->iomem, &omap_dpll_ops, s, "omap-dpll", 0x100);
s->dpll = clk;
omap_dpll_reset(s);
memory_region_add_subregion(memory, base, &s->iomem);
return s;
}
| 20,253 |
qemu | b25b387fa5928e516cb2c9e7fde68e958bd7e50a | 0 | static void qcow2_close(BlockDriverState *bs)
{
BDRVQcow2State *s = bs->opaque;
qemu_vfree(s->l1_table);
/* else pre-write overlap checks in cache_destroy may crash */
s->l1_table = NULL;
if (!(s->flags & BDRV_O_INACTIVE)) {
qcow2_inactivate(bs);
}
cache_clean_timer_del(bs);
qcow2_cache_destroy(bs, s->l2_table_cache);
qcow2_cache_destroy(bs, s->refcount_block_cache);
qcrypto_cipher_free(s->cipher);
s->cipher = NULL;
g_free(s->unknown_header_fields);
cleanup_unknown_header_ext(bs);
g_free(s->image_backing_file);
g_free(s->image_backing_format);
g_free(s->cluster_cache);
qemu_vfree(s->cluster_data);
qcow2_refcount_close(bs);
qcow2_free_snapshots(bs);
}
| 20,254 |
FFmpeg | dd0724288ee86d487e261f23471f861ff4620d8e | 0 | static int opt_output_file(const char *opt, const char *filename)
{
AVFormatContext *oc;
int i, err;
AVOutputFormat *file_oformat;
OutputStream *ost;
InputStream *ist;
if (!strcmp(filename, "-"))
filename = "pipe:";
err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
last_asked_format = NULL;
if (!oc) {
print_error(filename, err);
exit_program(1);
}
file_oformat= oc->oformat;
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
/* special case for files sent to ffserver: we get the stream
parameters from ffserver */
int err = read_ffserver_streams(oc, filename);
if (err < 0) {
print_error(filename, err);
exit_program(1);
}
} else if (!nb_stream_maps) {
/* pick the "best" stream of each type */
#define NEW_STREAM(type, index)\
if (index >= 0) {\
ost = new_ ## type ## _stream(oc);\
ost->source_index = index;\
ost->sync_ist = &input_streams[index];\
input_streams[index].discard = 0;\
}
/* video: highest resolution */
if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
int area = 0, idx = -1;
for (i = 0; i < nb_input_streams; i++) {
ist = &input_streams[i];
if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
ist->st->codec->width * ist->st->codec->height > area) {
area = ist->st->codec->width * ist->st->codec->height;
idx = i;
}
}
NEW_STREAM(video, idx);
}
/* audio: most channels */
if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
int channels = 0, idx = -1;
for (i = 0; i < nb_input_streams; i++) {
ist = &input_streams[i];
if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
ist->st->codec->channels > channels) {
channels = ist->st->codec->channels;
idx = i;
}
}
NEW_STREAM(audio, idx);
}
/* subtitles: pick first */
if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
for (i = 0; i < nb_input_streams; i++)
if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
NEW_STREAM(subtitle, i);
break;
}
}
/* do something with data? */
} else {
for (i = 0; i < nb_stream_maps; i++) {
StreamMap *map = &stream_maps[i];
if (map->disabled)
continue;
ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
switch (ist->st->codec->codec_type) {
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
default:
av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
map->file_index, map->stream_index);
exit_program(1);
}
ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
map->sync_stream_index];
ist->discard = 0;
}
}
av_dict_copy(&oc->metadata, metadata, 0);
av_dict_free(&metadata);
if (nb_output_files == MAX_FILES)
exit_program(1); /* a temporary hack until all the other MAX_FILES-sized arrays are removed */
output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
output_files[nb_output_files - 1].ctx = oc;
output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
/* check filename in case of an image number is expected */
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR(EINVAL));
exit_program(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
/* test if it already exists to avoid loosing precious files */
if (!file_overwrite &&
(strchr(filename, ':') == NULL ||
filename[1] == ':' ||
av_strstart(filename, "file:", NULL))) {
if (avio_check(filename, 0) == 0) {
if (!using_stdin) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
if (!read_yesno()) {
fprintf(stderr, "Not overwriting - exiting\n");
exit_program(1);
}
}
else {
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
exit_program(1);
}
}
}
/* open the file */
if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
print_error(filename, err);
exit_program(1);
}
}
oc->preload= (int)(mux_preload*AV_TIME_BASE);
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
if (loop_output >= 0) {
av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
oc->loop_output = loop_output;
}
/* copy chapters */
if (chapters_input_file >= nb_input_files) {
if (chapters_input_file == INT_MAX) {
/* copy chapters from the first input file that has them*/
chapters_input_file = -1;
for (i = 0; i < nb_input_files; i++)
if (input_files[i].ctx->nb_chapters) {
chapters_input_file = i;
break;
}
} else {
av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
chapters_input_file);
exit_program(1);
}
}
if (chapters_input_file >= 0)
copy_chapters(chapters_input_file, nb_output_files - 1);
/* copy metadata */
for (i = 0; i < nb_meta_data_maps; i++) {
AVFormatContext *files[2];
AVDictionary **meta[2];
int j;
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
if ((index) < 0 || (index) >= (nb_elems)) {\
av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
(desc), (index));\
exit_program(1);\
}
int in_file_index = meta_data_maps[i][1].file;
if (in_file_index < 0)
continue;
METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
files[0] = oc;
files[1] = input_files[in_file_index].ctx;
for (j = 0; j < 2; j++) {
MetadataMap *map = &meta_data_maps[i][j];
switch (map->type) {
case 'g':
meta[j] = &files[j]->metadata;
break;
case 's':
METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
meta[j] = &files[j]->streams[map->index]->metadata;
break;
case 'c':
METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
meta[j] = &files[j]->chapters[map->index]->metadata;
break;
case 'p':
METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
meta[j] = &files[j]->programs[map->index]->metadata;
break;
}
}
av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
}
/* copy global metadata by default */
if (metadata_global_autocopy && nb_input_files)
av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
AV_DICT_DONT_OVERWRITE);
if (metadata_streams_autocopy)
for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
InputStream *ist = &input_streams[output_streams[i].source_index];
av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
}
frame_rate = (AVRational){0, 0};
frame_width = 0;
frame_height = 0;
audio_sample_rate = 0;
audio_channels = 0;
audio_sample_fmt = AV_SAMPLE_FMT_NONE;
chapters_input_file = INT_MAX;
av_freep(&meta_data_maps);
nb_meta_data_maps = 0;
metadata_global_autocopy = 1;
metadata_streams_autocopy = 1;
metadata_chapters_autocopy = 1;
av_freep(&stream_maps);
nb_stream_maps = 0;
av_dict_free(&codec_names);
av_freep(&forced_key_frames);
uninit_opts();
init_opts();
return 0;
}
| 20,255 |
qemu | 496272a7018ba01aa2b87a1a5ed866ff85133401 | 0 | static int pte64_check(mmu_ctx_t *ctx, target_ulong pte0,
target_ulong pte1, int h, int rw, int type)
{
target_ulong ptem, mmask;
int access, ret, pteh, ptev, pp;
ret = -1;
/* Check validity and table match */
ptev = pte64_is_valid(pte0);
pteh = (pte0 >> 1) & 1;
if (ptev && h == pteh) {
/* Check vsid & api */
ptem = pte0 & PTE64_PTEM_MASK;
mmask = PTE64_CHECK_MASK;
pp = (pte1 & 0x00000003) | ((pte1 >> 61) & 0x00000004);
ctx->nx = (pte1 >> 2) & 1; /* No execute bit */
ctx->nx |= (pte1 >> 3) & 1; /* Guarded bit */
if (ptem == ctx->ptem) {
if (ctx->raddr != (hwaddr)-1ULL) {
/* all matches should have equal RPN, WIMG & PP */
if ((ctx->raddr & mmask) != (pte1 & mmask)) {
qemu_log("Bad RPN/WIMG/PP\n");
return -3;
}
}
/* Compute access rights */
access = pp_check(ctx->key, pp, ctx->nx);
/* Keep the matching PTE informations */
ctx->raddr = pte1;
ctx->prot = access;
ret = check_prot(ctx->prot, rw, type);
if (ret == 0) {
/* Access granted */
LOG_MMU("PTE access granted !\n");
} else {
/* Access right violation */
LOG_MMU("PTE access rejected\n");
}
}
}
return ret;
}
| 20,256 |
qemu | fd56e0612b6454a282fa6a953fdb09281a98c589 | 0 | static void usb_xhci_realize(struct PCIDevice *dev, Error **errp)
{
int i, ret;
Error *err = NULL;
XHCIState *xhci = XHCI(dev);
dev->config[PCI_CLASS_PROG] = 0x30; /* xHCI */
dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */
dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
dev->config[0x60] = 0x30; /* release number */
if (strcmp(object_get_typename(OBJECT(dev)), TYPE_NEC_XHCI) == 0) {
xhci->nec_quirks = true;
}
if (xhci->numintrs > MAXINTRS) {
xhci->numintrs = MAXINTRS;
}
while (xhci->numintrs & (xhci->numintrs - 1)) { /* ! power of 2 */
xhci->numintrs++;
}
if (xhci->numintrs < 1) {
xhci->numintrs = 1;
}
if (xhci->numslots > MAXSLOTS) {
xhci->numslots = MAXSLOTS;
}
if (xhci->numslots < 1) {
xhci->numslots = 1;
}
if (xhci_get_flag(xhci, XHCI_FLAG_ENABLE_STREAMS)) {
xhci->max_pstreams_mask = 7; /* == 256 primary streams */
} else {
xhci->max_pstreams_mask = 0;
}
if (xhci->msi != ON_OFF_AUTO_OFF) {
ret = msi_init(dev, 0x70, xhci->numintrs, true, false, &err);
/* Any error other than -ENOTSUP(board's MSI support is broken)
* is a programming error */
assert(!ret || ret == -ENOTSUP);
if (ret && xhci->msi == ON_OFF_AUTO_ON) {
/* Can't satisfy user's explicit msi=on request, fail */
error_append_hint(&err, "You have to use msi=auto (default) or "
"msi=off with this machine type.\n");
error_propagate(errp, err);
return;
}
assert(!err || xhci->msi == ON_OFF_AUTO_AUTO);
/* With msi=auto, we fall back to MSI off silently */
error_free(err);
}
usb_xhci_init(xhci);
xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci);
memory_region_init(&xhci->mem, OBJECT(xhci), "xhci", LEN_REGS);
memory_region_init_io(&xhci->mem_cap, OBJECT(xhci), &xhci_cap_ops, xhci,
"capabilities", LEN_CAP);
memory_region_init_io(&xhci->mem_oper, OBJECT(xhci), &xhci_oper_ops, xhci,
"operational", 0x400);
memory_region_init_io(&xhci->mem_runtime, OBJECT(xhci), &xhci_runtime_ops, xhci,
"runtime", LEN_RUNTIME);
memory_region_init_io(&xhci->mem_doorbell, OBJECT(xhci), &xhci_doorbell_ops, xhci,
"doorbell", LEN_DOORBELL);
memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap);
memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper);
memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime);
memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell);
for (i = 0; i < xhci->numports; i++) {
XHCIPort *port = &xhci->ports[i];
uint32_t offset = OFF_OPER + 0x400 + 0x10 * i;
port->xhci = xhci;
memory_region_init_io(&port->mem, OBJECT(xhci), &xhci_port_ops, port,
port->name, 0x10);
memory_region_add_subregion(&xhci->mem, offset, &port->mem);
}
pci_register_bar(dev, 0,
PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64,
&xhci->mem);
if (pci_bus_is_express(dev->bus) ||
xhci_get_flag(xhci, XHCI_FLAG_FORCE_PCIE_ENDCAP)) {
ret = pcie_endpoint_cap_init(dev, 0xa0);
assert(ret > 0);
}
if (xhci->msix != ON_OFF_AUTO_OFF) {
/* TODO check for errors, and should fail when msix=on */
msix_init(dev, xhci->numintrs,
&xhci->mem, 0, OFF_MSIX_TABLE,
&xhci->mem, 0, OFF_MSIX_PBA,
0x90, NULL);
}
}
| 20,258 |
qemu | 99d09dd32820f5702031e3c08c81f8c209dc2220 | 0 | void acpi_pcihp_init(AcpiPciHpState *s, PCIBus *root_bus,
MemoryRegion *address_space_io)
{
s->root= root_bus;
memory_region_init_io(&s->io, NULL, &acpi_pcihp_io_ops, s,
"acpi-pci-hotplug",
PCI_HOTPLUG_SIZE);
memory_region_add_subregion(address_space_io, PCI_HOTPLUG_ADDR, &s->io);
}
| 20,259 |
qemu | 7d5e199ade76c53ec316ab6779800581bb47c50a | 0 | static void qmp_output_complete(Visitor *v, void *opaque)
{
QmpOutputVisitor *qov = to_qov(v);
/* A visit must have occurred, with each start paired with end. */
assert(qov->root && QSLIST_EMPTY(&qov->stack));
assert(opaque == qov->result);
qobject_incref(qov->root);
*qov->result = qov->root;
qov->result = NULL;
}
| 20,260 |
qemu | dfd100f242370886bb6732f70f1f7cbd8eb9fedc | 0 | static SocketAddress *sd_server_config(QDict *options, Error **errp)
{
QDict *server = NULL;
QObject *crumpled_server = NULL;
Visitor *iv = NULL;
SocketAddressFlat *saddr_flat = NULL;
SocketAddress *saddr = NULL;
Error *local_err = NULL;
qdict_extract_subqdict(options, &server, "server.");
crumpled_server = qdict_crumple(server, errp);
if (!crumpled_server) {
goto done;
}
/*
* FIXME .numeric, .to, .ipv4 or .ipv6 don't work with -drive
* server.type=inet. .to doesn't matter, it's ignored anyway.
* That's because when @options come from -blockdev or
* blockdev_add, members are typed according to the QAPI schema,
* but when they come from -drive, they're all QString. The
* visitor expects the former.
*/
iv = qobject_input_visitor_new(crumpled_server);
visit_type_SocketAddressFlat(iv, NULL, &saddr_flat, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto done;
}
saddr = socket_address_crumple(saddr_flat);
done:
qapi_free_SocketAddressFlat(saddr_flat);
visit_free(iv);
qobject_decref(crumpled_server);
QDECREF(server);
return saddr;
}
| 20,261 |
qemu | 52cfcb464255b4da5115408e2a6ce3327bbcb9df | 0 | filter_mirror_set_outdev(Object *obj, const char *value, Error **errp)
{
MirrorState *s = FILTER_MIRROR(obj);
g_free(s->outdev);
s->outdev = g_strdup(value);
if (!s->outdev) {
error_setg(errp, "filter filter mirror needs 'outdev' "
"property set");
return;
}
}
| 20,262 |
qemu | a1aff5bf6786e6e8478373e4ada869a4ef2a7fc4 | 1 | int bdrv_is_inserted(BlockDriverState *bs)
{
BlockDriver *drv = bs->drv;
int ret;
if (!drv)
return 0;
if (!drv->bdrv_is_inserted)
return !bs->tray_open;
ret = drv->bdrv_is_inserted(bs);
return ret;
}
| 20,263 |
qemu | c7085da7266120a8594f8fddcbf3b6839a8eda58 | 1 | static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
{
VirtIOBlock *s = to_virtio_blk(vdev);
struct virtio_blk_config blkcfg;
uint64_t capacity;
int cylinders, heads, secs;
bdrv_get_geometry(s->bs, &capacity);
bdrv_get_geometry_hint(s->bs, &cylinders, &heads, &secs);
stq_raw(&blkcfg.capacity, capacity);
stl_raw(&blkcfg.seg_max, 128 - 2);
stw_raw(&blkcfg.cylinders, cylinders);
blkcfg.heads = heads;
blkcfg.sectors = secs;
memcpy(config, &blkcfg, sizeof(blkcfg));
} | 20,264 |
qemu | dede4188cc817a039154ed2ecd7f3285f6b94056 | 1 | static int vpc_create(const char *filename, QEMUOptionParameter *options)
{
uint8_t buf[1024];
struct vhd_footer* footer = (struct vhd_footer*) buf;
struct vhd_dyndisk_header* dyndisk_header =
(struct vhd_dyndisk_header*) buf;
int fd, i;
uint16_t cyls;
uint8_t heads;
uint8_t secs_per_cyl;
size_t block_size, num_bat_entries;
int64_t total_sectors = 0;
// Read out options
while (options && options->name) {
if (!strcmp(options->name, "size")) {
total_sectors = options->value.n / 512;
}
options++;
}
// Create the file
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
if (fd < 0)
return -EIO;
// Calculate matching total_size and geometry
if (calculate_geometry(total_sectors, &cyls, &heads, &secs_per_cyl))
return -EFBIG;
total_sectors = (int64_t) cyls * heads * secs_per_cyl;
// Prepare the Hard Disk Footer
memset(buf, 0, 1024);
memcpy(footer->creator, "conectix", 8);
// TODO Check if "qemu" creator_app is ok for VPC
memcpy(footer->creator_app, "qemu", 4);
memcpy(footer->creator_os, "Wi2k", 4);
footer->features = be32_to_cpu(0x02);
footer->version = be32_to_cpu(0x00010000);
footer->data_offset = be64_to_cpu(HEADER_SIZE);
footer->timestamp = be32_to_cpu(time(NULL) - VHD_TIMESTAMP_BASE);
// Version of Virtual PC 2007
footer->major = be16_to_cpu(0x0005);
footer->minor =be16_to_cpu(0x0003);
footer->orig_size = be64_to_cpu(total_sectors * 512);
footer->size = be64_to_cpu(total_sectors * 512);
footer->cyls = be16_to_cpu(cyls);
footer->heads = heads;
footer->secs_per_cyl = secs_per_cyl;
footer->type = be32_to_cpu(VHD_DYNAMIC);
// TODO uuid is missing
footer->checksum = be32_to_cpu(vpc_checksum(buf, HEADER_SIZE));
// Write the footer (twice: at the beginning and at the end)
block_size = 0x200000;
num_bat_entries = (total_sectors + block_size / 512) / (block_size / 512);
if (write(fd, buf, HEADER_SIZE) != HEADER_SIZE)
return -EIO;
if (lseek(fd, 1536 + ((num_bat_entries * 4 + 511) & ~511), SEEK_SET) < 0)
return -EIO;
if (write(fd, buf, HEADER_SIZE) != HEADER_SIZE)
return -EIO;
// Write the initial BAT
if (lseek(fd, 3 * 512, SEEK_SET) < 0)
return -EIO;
memset(buf, 0xFF, 512);
for (i = 0; i < (num_bat_entries * 4 + 511) / 512; i++)
if (write(fd, buf, 512) != 512)
return -EIO;
// Prepare the Dynamic Disk Header
memset(buf, 0, 1024);
memcpy(dyndisk_header->magic, "cxsparse", 8);
dyndisk_header->data_offset = be64_to_cpu(0xFFFFFFFF);
dyndisk_header->table_offset = be64_to_cpu(3 * 512);
dyndisk_header->version = be32_to_cpu(0x00010000);
dyndisk_header->block_size = be32_to_cpu(block_size);
dyndisk_header->max_table_entries = be32_to_cpu(num_bat_entries);
dyndisk_header->checksum = be32_to_cpu(vpc_checksum(buf, 1024));
// Write the header
if (lseek(fd, 512, SEEK_SET) < 0)
return -EIO;
if (write(fd, buf, 1024) != 1024)
return -EIO;
close(fd);
return 0;
}
| 20,265 |
FFmpeg | 3e033da84782e12ed529e6a88dd53b6a72199e8e | 1 | ff_rm_retrieve_cache (AVFormatContext *s, AVIOContext *pb,
AVStream *st, RMStream *ast, AVPacket *pkt)
{
RMDemuxContext *rm = s->priv_data;
assert (rm->audio_pkt_cnt > 0);
if (st->codec->codec_id == CODEC_ID_AAC)
av_get_packet(pb, pkt, ast->sub_packet_lengths[ast->sub_packet_cnt - rm->audio_pkt_cnt]);
else {
av_new_packet(pkt, st->codec->block_align);
memcpy(pkt->data, ast->pkt.data + st->codec->block_align * //FIXME avoid this
(ast->sub_packet_h * ast->audio_framesize / st->codec->block_align - rm->audio_pkt_cnt),
st->codec->block_align);
}
rm->audio_pkt_cnt--;
if ((pkt->pts = ast->audiotimestamp) != AV_NOPTS_VALUE) {
ast->audiotimestamp = AV_NOPTS_VALUE;
pkt->flags = AV_PKT_FLAG_KEY;
} else
pkt->flags = 0;
pkt->stream_index = st->index;
return rm->audio_pkt_cnt;
}
| 20,266 |
qemu | e489030df2448d22b3cb92fd5dcb22c6fa0fc9e1 | 1 | static void virtio_pci_reset(void *opaque)
{
VirtIOPCIProxy *proxy = opaque;
virtio_reset(proxy->vdev);
msix_reset(&proxy->pci_dev);
}
| 20,267 |
qemu | baf35cb90204d75404892aa4e52628ae7a00669b | 1 | static int bdrv_write_em(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
int async_ret;
BlockDriverAIOCB *acb;
async_ret = NOT_DONE;
qemu_aio_wait_start();
acb = bdrv_aio_write(bs, sector_num, buf, nb_sectors,
bdrv_rw_em_cb, &async_ret);
if (acb == NULL) {
qemu_aio_wait_end();
return -1;
}
while (async_ret == NOT_DONE) {
qemu_aio_wait();
}
qemu_aio_wait_end();
return async_ret;
}
| 20,268 |
qemu | e4f4fb1eca795e36f363b4647724221e774523c1 | 1 | static void ioapic_class_init(ObjectClass *klass, void *data)
{
IOAPICCommonClass *k = IOAPIC_COMMON_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
k->realize = ioapic_realize;
* If APIC is in kernel, we need to update the kernel cache after
* migration, otherwise first 24 gsi routes will be invalid.
k->post_load = ioapic_update_kvm_routes;
dc->reset = ioapic_reset_common;
dc->props = ioapic_properties;
} | 20,269 |
qemu | d9968827032039d99b38db7ad3598767e1a53bbb | 1 | static inline void iwmmxt_store_creg(int reg, TCGv var)
{
tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, iwmmxt.cregs[reg]));
} | 20,270 |
FFmpeg | 55f22dd473fa954a17cef2fcf089ad7fd696d4e0 | 0 | static int decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
const uint8_t *buf, int buf_size)
{
H264Context *h = avctx->priv_data;
MpegEncContext *s = &h->s;
AVFrame *pict = data;
int buf_index;
s->flags= avctx->flags;
s->flags2= avctx->flags2;
if(s->flags&CODEC_FLAG_TRUNCATED){
const int next= ff_h264_find_frame_end(h, buf, buf_size);
assert((buf_size > 0) || (next == END_NOT_FOUND));
if( ff_combine_frame(&s->parse_context, next, &buf, &buf_size) < 0 )
return buf_size;
//printf("next:%d buf_size:%d last_index:%d\n", next, buf_size, s->parse_context.last_index);
}
/* no supplementary picture */
if (buf_size == 0) {
Picture *out;
int i, out_idx;
//FIXME factorize this with the output code below
out = h->delayed_pic[0];
out_idx = 0;
for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && h->delayed_pic[i]->poc; i++)
if(h->delayed_pic[i]->poc < out->poc){
out = h->delayed_pic[i];
out_idx = i;
}
for(i=out_idx; h->delayed_pic[i]; i++)
h->delayed_pic[i] = h->delayed_pic[i+1];
if(out){
*data_size = sizeof(AVFrame);
*pict= *(AVFrame*)out;
}
return 0;
}
if(h->is_avc && !h->got_avcC) {
int i, cnt, nalsize;
unsigned char *p = avctx->extradata;
if(avctx->extradata_size < 7) {
av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
return -1;
}
if(*p != 1) {
av_log(avctx, AV_LOG_ERROR, "Unknown avcC version %d\n", *p);
return -1;
}
/* sps and pps in the avcC always have length coded with 2 bytes,
so put a fake nal_length_size = 2 while parsing them */
h->nal_length_size = 2;
// Decode sps from avcC
cnt = *(p+5) & 0x1f; // Number of sps
p += 6;
for (i = 0; i < cnt; i++) {
nalsize = AV_RB16(p) + 2;
if(decode_nal_units(h, p, nalsize) < 0) {
av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
return -1;
}
p += nalsize;
}
// Decode pps from avcC
cnt = *(p++); // Number of pps
for (i = 0; i < cnt; i++) {
nalsize = AV_RB16(p) + 2;
if(decode_nal_units(h, p, nalsize) != nalsize) {
av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
return -1;
}
p += nalsize;
}
// Now store right nal length size, that will be use to parse all other nals
h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
// Do not reparse avcC
h->got_avcC = 1;
}
if(avctx->frame_number==0 && !h->is_avc && s->avctx->extradata_size){
if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
return -1;
}
buf_index=decode_nal_units(h, buf, buf_size);
if(buf_index < 0)
return -1;
if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
if (avctx->skip_frame >= AVDISCARD_NONREF || s->hurry_up) return 0;
av_log(avctx, AV_LOG_ERROR, "no frame!\n");
return -1;
}
if(!(s->flags2 & CODEC_FLAG2_CHUNKS) || (s->mb_y >= s->mb_height && s->mb_height)){
Picture *out = s->current_picture_ptr;
Picture *cur = s->current_picture_ptr;
int i, pics, cross_idr, out_of_order, out_idx;
s->mb_y= 0;
s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
s->current_picture_ptr->pict_type= s->pict_type;
if(!s->dropable) {
execute_ref_pic_marking(h, h->mmco, h->mmco_index);
h->prev_poc_msb= h->poc_msb;
h->prev_poc_lsb= h->poc_lsb;
}
h->prev_frame_num_offset= h->frame_num_offset;
h->prev_frame_num= h->frame_num;
/*
* FIXME: Error handling code does not seem to support interlaced
* when slices span multiple rows
* The ff_er_add_slice calls don't work right for bottom
* fields; they cause massive erroneous error concealing
* Error marking covers both fields (top and bottom).
* This causes a mismatched s->error_count
* and a bad error table. Further, the error count goes to
* INT_MAX when called for bottom field, because mb_y is
* past end by one (callers fault) and resync_mb_y != 0
* causes problems for the first MB line, too.
*/
if (!FIELD_PICTURE)
ff_er_frame_end(s);
MPV_frame_end(s);
if (s->first_field) {
/* Wait for second field. */
*data_size = 0;
} else {
cur->interlaced_frame = FIELD_OR_MBAFF_PICTURE;
/* Derive top_field_first from field pocs. */
cur->top_field_first = cur->field_poc[0] < cur->field_poc[1];
//FIXME do something with unavailable reference frames
/* Sort B-frames into display order */
if(h->sps.bitstream_restriction_flag
&& s->avctx->has_b_frames < h->sps.num_reorder_frames){
s->avctx->has_b_frames = h->sps.num_reorder_frames;
s->low_delay = 0;
}
if( s->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT
&& !h->sps.bitstream_restriction_flag){
s->avctx->has_b_frames= MAX_DELAYED_PIC_COUNT;
s->low_delay= 0;
}
pics = 0;
while(h->delayed_pic[pics]) pics++;
assert(pics <= MAX_DELAYED_PIC_COUNT);
h->delayed_pic[pics++] = cur;
if(cur->reference == 0)
cur->reference = DELAYED_PIC_REF;
cross_idr = 0;
for(i=0; h->delayed_pic[i]; i++)
if(h->delayed_pic[i]->key_frame || h->delayed_pic[i]->poc==0)
cross_idr = 1;
out = h->delayed_pic[0];
out_idx = 0;
for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && h->delayed_pic[i]->poc; i++)
if(h->delayed_pic[i]->poc < out->poc){
out = h->delayed_pic[i];
out_idx = i;
}
out_of_order = !cross_idr && out->poc < h->outputed_poc;
if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
{ }
else if((out_of_order && pics-1 == s->avctx->has_b_frames && s->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT)
|| (s->low_delay &&
((!cross_idr && out->poc > h->outputed_poc + 2)
|| cur->pict_type == FF_B_TYPE)))
{
s->low_delay = 0;
s->avctx->has_b_frames++;
}
if(out_of_order || pics > s->avctx->has_b_frames){
out->reference &= ~DELAYED_PIC_REF;
for(i=out_idx; h->delayed_pic[i]; i++)
h->delayed_pic[i] = h->delayed_pic[i+1];
}
if(!out_of_order && pics > s->avctx->has_b_frames){
*data_size = sizeof(AVFrame);
h->outputed_poc = out->poc;
*pict= *(AVFrame*)out;
}else{
av_log(avctx, AV_LOG_DEBUG, "no picture\n");
}
}
}
assert(pict->data[0] || !*data_size);
ff_print_debug_info(s, pict);
//printf("out %d\n", (int)pict->data[0]);
#if 0 //?
/* Return the Picture timestamp as the frame number */
/* we subtract 1 because it is added on utils.c */
avctx->frame_number = s->picture_number - 1;
#endif
return get_consumed_bytes(s, buf_index, buf_size);
}
| 20,271 |
FFmpeg | e43a0a232dbf6d3c161823c2e07c52e76227a1bc | 0 | static AVFrame *get_video_buffer(AVFilterLink *inlink, int w, int h)
{
PadContext *s = inlink->dst->priv;
AVFrame *frame = ff_get_video_buffer(inlink->dst->outputs[0],
w + (s->w - s->in_w),
h + (s->h - s->in_h));
int plane;
if (!frame)
return NULL;
frame->width = w;
frame->height = h;
for (plane = 0; plane < 4 && frame->data[plane]; plane++) {
int hsub = s->draw.hsub[plane];
int vsub = s->draw.vsub[plane];
frame->data[plane] += (s->x >> hsub) * s->draw.pixelstep[plane] +
(s->y >> vsub) * frame->linesize[plane];
}
return frame;
}
| 20,272 |
FFmpeg | c2b0ce70add2a7dd6e792341c21278cb94820684 | 0 | int64_t ff_start_tag(AVIOContext *pb, const char *tag)
{
ffio_wfourcc(pb, tag);
avio_wl32(pb, 0);
return avio_tell(pb);
}
| 20,273 |
FFmpeg | fc7f7f171f7c5cf77cd3e56a69c5709be062fe62 | 0 | static int svq3_decode_mb(H264Context *h, unsigned int mb_type)
{
int i, j, k, m, dir, mode;
int cbp = 0;
uint32_t vlc;
int8_t *top, *left;
MpegEncContext *const s = (MpegEncContext *) h;
const int mb_xy = h->mb_xy;
const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
h->topright_samples_available = 0xFFFF;
if (mb_type == 0) { /* SKIP */
if (s->pict_type == FF_P_TYPE || s->next_picture.mb_type[mb_xy] == -1) {
svq3_mc_dir_part(s, 16*s->mb_x, 16*s->mb_y, 16, 16, 0, 0, 0, 0, 0, 0);
if (s->pict_type == FF_B_TYPE) {
svq3_mc_dir_part(s, 16*s->mb_x, 16*s->mb_y, 16, 16, 0, 0, 0, 0, 1, 1);
}
mb_type = MB_TYPE_SKIP;
} else {
mb_type = FFMIN(s->next_picture.mb_type[mb_xy], 6);
if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 0, 0) < 0)
return -1;
if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 1, 1) < 0)
return -1;
mb_type = MB_TYPE_16x16;
}
} else if (mb_type < 8) { /* INTER */
if (h->thirdpel_flag && h->halfpel_flag == !get_bits1 (&s->gb)) {
mode = THIRDPEL_MODE;
} else if (h->halfpel_flag && h->thirdpel_flag == !get_bits1 (&s->gb)) {
mode = HALFPEL_MODE;
} else {
mode = FULLPEL_MODE;
}
/* fill caches */
/* note ref_cache should contain here:
????????
???11111
N??11111
N??11111
N??11111
*/
for (m = 0; m < 2; m++) {
if (s->mb_x > 0 && h->intra4x4_pred_mode[mb_xy - 1][0] != -1) {
for (i = 0; i < 4; i++) {
*(uint32_t *) h->mv_cache[m][scan8[0] - 1 + i*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - 1 + i*h->b_stride];
}
} else {
for (i = 0; i < 4; i++) {
*(uint32_t *) h->mv_cache[m][scan8[0] - 1 + i*8] = 0;
}
}
if (s->mb_y > 0) {
memcpy(h->mv_cache[m][scan8[0] - 1*8], s->current_picture.motion_val[m][b_xy - h->b_stride], 4*2*sizeof(int16_t));
memset(&h->ref_cache[m][scan8[0] - 1*8], (h->intra4x4_pred_mode[mb_xy - s->mb_stride][4] == -1) ? PART_NOT_AVAILABLE : 1, 4);
if (s->mb_x < (s->mb_width - 1)) {
*(uint32_t *) h->mv_cache[m][scan8[0] + 4 - 1*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - h->b_stride + 4];
h->ref_cache[m][scan8[0] + 4 - 1*8] =
(h->intra4x4_pred_mode[mb_xy - s->mb_stride + 1][0] == -1 ||
h->intra4x4_pred_mode[mb_xy - s->mb_stride ][4] == -1) ? PART_NOT_AVAILABLE : 1;
}else
h->ref_cache[m][scan8[0] + 4 - 1*8] = PART_NOT_AVAILABLE;
if (s->mb_x > 0) {
*(uint32_t *) h->mv_cache[m][scan8[0] - 1 - 1*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - h->b_stride - 1];
h->ref_cache[m][scan8[0] - 1 - 1*8] = (h->intra4x4_pred_mode[mb_xy - s->mb_stride - 1][3] == -1) ? PART_NOT_AVAILABLE : 1;
}else
h->ref_cache[m][scan8[0] - 1 - 1*8] = PART_NOT_AVAILABLE;
}else
memset(&h->ref_cache[m][scan8[0] - 1*8 - 1], PART_NOT_AVAILABLE, 8);
if (s->pict_type != FF_B_TYPE)
break;
}
/* decode motion vector(s) and form prediction(s) */
if (s->pict_type == FF_P_TYPE) {
if (svq3_mc_dir(h, (mb_type - 1), mode, 0, 0) < 0)
return -1;
} else { /* FF_B_TYPE */
if (mb_type != 2) {
if (svq3_mc_dir(h, 0, mode, 0, 0) < 0)
return -1;
} else {
for (i = 0; i < 4; i++) {
memset(s->current_picture.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
if (mb_type != 1) {
if (svq3_mc_dir(h, 0, mode, 1, (mb_type == 3)) < 0)
return -1;
} else {
for (i = 0; i < 4; i++) {
memset(s->current_picture.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
}
mb_type = MB_TYPE_16x16;
} else if (mb_type == 8 || mb_type == 33) { /* INTRA4x4 */
memset(h->intra4x4_pred_mode_cache, -1, 8*5*sizeof(int8_t));
if (mb_type == 8) {
if (s->mb_x > 0) {
for (i = 0; i < 4; i++) {
h->intra4x4_pred_mode_cache[scan8[0] - 1 + i*8] = h->intra4x4_pred_mode[mb_xy - 1][i];
}
if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1) {
h->left_samples_available = 0x5F5F;
}
}
if (s->mb_y > 0) {
h->intra4x4_pred_mode_cache[4+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][4];
h->intra4x4_pred_mode_cache[5+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][5];
h->intra4x4_pred_mode_cache[6+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][6];
h->intra4x4_pred_mode_cache[7+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][3];
if (h->intra4x4_pred_mode_cache[4+8*0] == -1) {
h->top_samples_available = 0x33FF;
}
}
/* decode prediction codes for luma blocks */
for (i = 0; i < 16; i+=2) {
vlc = svq3_get_ue_golomb(&s->gb);
if (vlc >= 25){
av_log(h->s.avctx, AV_LOG_ERROR, "luma prediction:%d\n", vlc);
return -1;
}
left = &h->intra4x4_pred_mode_cache[scan8[i] - 1];
top = &h->intra4x4_pred_mode_cache[scan8[i] - 8];
left[1] = svq3_pred_1[top[0] + 1][left[0] + 1][svq3_pred_0[vlc][0]];
left[2] = svq3_pred_1[top[1] + 1][left[1] + 1][svq3_pred_0[vlc][1]];
if (left[1] == -1 || left[2] == -1){
av_log(h->s.avctx, AV_LOG_ERROR, "weird prediction\n");
return -1;
}
}
} else { /* mb_type == 33, DC_128_PRED block type */
for (i = 0; i < 4; i++) {
memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8*i], DC_PRED, 4);
}
}
ff_h264_write_back_intra_pred_mode(h);
if (mb_type == 8) {
ff_h264_check_intra4x4_pred_mode(h);
h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
} else {
for (i = 0; i < 4; i++) {
memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8*i], DC_128_PRED, 4);
}
h->top_samples_available = 0x33FF;
h->left_samples_available = 0x5F5F;
}
mb_type = MB_TYPE_INTRA4x4;
} else { /* INTRA16x16 */
dir = i_mb_type_info[mb_type - 8].pred_mode;
dir = (dir >> 1) ^ 3*(dir & 1) ^ 1;
if ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir)) == -1){
av_log(h->s.avctx, AV_LOG_ERROR, "check_intra_pred_mode = -1\n");
return -1;
}
cbp = i_mb_type_info[mb_type - 8].cbp;
mb_type = MB_TYPE_INTRA16x16;
}
if (!IS_INTER(mb_type) && s->pict_type != FF_I_TYPE) {
for (i = 0; i < 4; i++) {
memset(s->current_picture.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
if (s->pict_type == FF_B_TYPE) {
for (i = 0; i < 4; i++) {
memset(s->current_picture.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
}
if (!IS_INTRA4x4(mb_type)) {
memset(h->intra4x4_pred_mode[mb_xy], DC_PRED, 8);
}
if (!IS_SKIP(mb_type) || s->pict_type == FF_B_TYPE) {
memset(h->non_zero_count_cache + 8, 0, 4*9*sizeof(uint8_t));
s->dsp.clear_blocks(h->mb);
}
if (!IS_INTRA16x16(mb_type) && (!IS_SKIP(mb_type) || s->pict_type == FF_B_TYPE)) {
if ((vlc = svq3_get_ue_golomb(&s->gb)) >= 48){
av_log(h->s.avctx, AV_LOG_ERROR, "cbp_vlc=%d\n", vlc);
return -1;
}
cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc] : golomb_to_inter_cbp[vlc];
}
if (IS_INTRA16x16(mb_type) || (s->pict_type != FF_I_TYPE && s->adaptive_quant && cbp)) {
s->qscale += svq3_get_se_golomb(&s->gb);
if (s->qscale > 31){
av_log(h->s.avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale);
return -1;
}
}
if (IS_INTRA16x16(mb_type)) {
if (svq3_decode_block(&s->gb, h->mb, 0, 0)){
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding intra luma dc\n");
return -1;
}
}
if (cbp) {
const int index = IS_INTRA16x16(mb_type) ? 1 : 0;
const int type = ((s->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1);
for (i = 0; i < 4; i++) {
if ((cbp & (1 << i))) {
for (j = 0; j < 4; j++) {
k = index ? ((j&1) + 2*(i&1) + 2*(j&2) + 4*(i&2)) : (4*i + j);
h->non_zero_count_cache[ scan8[k] ] = 1;
if (svq3_decode_block(&s->gb, &h->mb[16*k], index, type)){
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding block\n");
return -1;
}
}
}
}
if ((cbp & 0x30)) {
for (i = 0; i < 2; ++i) {
if (svq3_decode_block(&s->gb, &h->mb[16*(16 + 4*i)], 0, 3)){
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma dc block\n");
return -1;
}
}
if ((cbp & 0x20)) {
for (i = 0; i < 8; i++) {
h->non_zero_count_cache[ scan8[16+i] ] = 1;
if (svq3_decode_block(&s->gb, &h->mb[16*(16 + i)], 1, 1)){
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma ac block\n");
return -1;
}
}
}
}
}
h->cbp= cbp;
s->current_picture.mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type)) {
h->chroma_pred_mode = ff_h264_check_intra_pred_mode(h, DC_PRED8x8);
}
return 0;
}
| 20,274 |
FFmpeg | f929ab0569ff31ed5a59b0b0adb7ce09df3fca39 | 0 | AVCodecContext *avcodec_alloc_context3(const AVCodec *codec)
{
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
if(avctx==NULL) return NULL;
if(avcodec_get_context_defaults3(avctx, codec) < 0){
av_free(avctx);
return NULL;
}
return avctx;
}
| 20,275 |
qemu | ef1e1e0782e99c9dcf2b35e5310cdd8ca9211374 | 0 | static void exynos4210_fimd_reset(DeviceState *d)
{
Exynos4210fimdState *s = EXYNOS4210_FIMD(d);
unsigned w;
DPRINT_TRACE("Display controller reset\n");
/* Set all display controller registers to 0 */
memset(&s->vidcon, 0, (uint8_t *)&s->window - (uint8_t *)&s->vidcon);
for (w = 0; w < NUM_OF_WINDOWS; w++) {
memset(&s->window[w], 0, sizeof(Exynos4210fimdWindow));
s->window[w].blendeq = 0xC2;
exynos4210_fimd_update_win_bppmode(s, w);
exynos4210_fimd_trace_bppmode(s, w, 0xFFFFFFFF);
fimd_update_get_alpha(s, w);
}
if (s->ifb != NULL) {
g_free(s->ifb);
}
s->ifb = NULL;
exynos4210_fimd_invalidate(s);
exynos4210_fimd_enable(s, false);
/* Some registers have non-zero initial values */
s->winchmap = 0x7D517D51;
s->colorgaincon = 0x10040100;
s->huecoef_cr[0] = s->huecoef_cr[3] = 0x01000100;
s->huecoef_cb[0] = s->huecoef_cb[3] = 0x01000100;
s->hueoffset = 0x01800080;
}
| 20,276 |
qemu | a63f1dfc6213c765b62e93b720229d522cd156f4 | 0 | void helper_slbie(CPUPPCState *env, target_ulong addr)
{
PowerPCCPU *cpu = ppc_env_get_cpu(env);
ppc_slb_t *slb;
slb = slb_lookup(cpu, addr);
if (!slb) {
return;
}
if (slb->esid & SLB_ESID_V) {
slb->esid &= ~SLB_ESID_V;
/* XXX: given the fact that segment size is 256 MB or 1TB,
* and we still don't have a tlb_flush_mask(env, n, mask)
* in QEMU, we just invalidate all TLBs
*/
env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH;
}
}
| 20,277 |
qemu | 7d78066926b68afe28a1948c64618ee085d9ab02 | 0 | static int execute_command(BlockDriverState *bdrv,
SCSIRequest *r, int direction,
BlockDriverCompletionFunc *complete)
{
r->io_header.interface_id = 'S';
r->io_header.dxfer_direction = direction;
r->io_header.dxferp = r->buf;
r->io_header.dxfer_len = r->buflen;
r->io_header.cmdp = r->cmd;
r->io_header.cmd_len = r->cmdlen;
r->io_header.mx_sb_len = sizeof(r->dev->sensebuf);
r->io_header.sbp = r->dev->sensebuf;
r->io_header.timeout = MAX_UINT;
r->io_header.usr_ptr = r;
r->io_header.flags |= SG_FLAG_DIRECT_IO;
if (bdrv_pwrite(bdrv, -1, &r->io_header, sizeof(r->io_header)) == -1) {
BADF("execute_command: write failed ! (%d)\n", errno);
return -1;
}
if (complete == NULL) {
int ret;
r->aiocb = NULL;
while ((ret = bdrv_pread(bdrv, -1, &r->io_header,
sizeof(r->io_header))) == -1 &&
errno == EINTR);
if (ret == -1) {
BADF("execute_command: read failed !\n");
return -1;
}
return 0;
}
r->aiocb = bdrv_aio_read(bdrv, 0, (uint8_t*)&r->io_header,
-(int64_t)sizeof(r->io_header), complete, r);
if (r->aiocb == NULL) {
BADF("execute_command: read failed !\n");
return -1;
}
return 0;
}
| 20,278 |
qemu | b77e7c8e99f9ac726c4eaa2fc3461fd886017dc0 | 0 | static void inet_addr_to_opts(QemuOpts *opts, const InetSocketAddress *addr)
{
bool ipv4 = addr->ipv4 || !addr->has_ipv4;
bool ipv6 = addr->ipv6 || !addr->has_ipv6;
if (!ipv4 || !ipv6) {
qemu_opt_set_bool(opts, "ipv4", ipv4, &error_abort);
qemu_opt_set_bool(opts, "ipv6", ipv6, &error_abort);
}
if (addr->has_to) {
qemu_opt_set_number(opts, "to", addr->to, &error_abort);
}
qemu_opt_set(opts, "host", addr->host, &error_abort);
qemu_opt_set(opts, "port", addr->port, &error_abort);
}
| 20,279 |
qemu | 1237ad7607aae5859067831e36a59d3b017c5a54 | 0 | static int local_lstat(FsContext *ctx, const char *path, struct stat *stbuf)
{
return lstat(rpath(ctx, path), stbuf);
}
| 20,280 |
qemu | 153859be1a0928d07ec2dc2b18847e32e180ff43 | 0 | static void help(void)
{
printf("qemu-img version " QEMU_VERSION ", Copyright (c) 2004-2008 Fabrice Bellard\n"
"usage: qemu-img command [command options]\n"
"QEMU disk image utility\n"
"\n"
"Command syntax:\n"
" check [-f fmt] filename\n"
" create [-F fmt] [-b base_image] [-f fmt] [-o options] filename [size]\n"
" commit [-f fmt] filename\n"
" convert [-c] [-f fmt] [-O output_fmt] [-o options] [-B output_base_image] filename [filename2 [...]] output_filename\n"
" info [-f fmt] filename\n"
" snapshot [-l | -a snapshot | -c snapshot | -d snapshot] filename\n"
"\n"
"Command parameters:\n"
" 'filename' is a disk image filename\n"
" 'base_image' is the read-only disk image which is used as base for a copy on\n"
" write image; the copy on write image only stores the modified data\n"
" 'output_base_image' forces the output image to be created as a copy on write\n"
" image of the specified base image; 'output_base_image' should have the same\n"
" content as the input's base image, however the path, image format, etc may\n"
" differ\n"
" 'fmt' is the disk image format. It is guessed automatically in most cases\n"
" 'size' is the disk image size in kilobytes. Optional suffixes\n"
" 'M' (megabyte, 1024 * 1024) and 'G' (gigabyte, 1024 * 1024 * 1024) are\n"
" supported any 'k' or 'K' is ignored\n"
" 'output_filename' is the destination disk image filename\n"
" 'output_fmt' is the destination format\n"
" 'options' is a comma separated list of format specific options in a\n"
" name=value format. Use -o ? for an overview of the options supported by the\n"
" used format\n"
" '-c' indicates that target image must be compressed (qcow format only)\n"
" '-h' with or without a command shows this help and lists the supported formats\n"
"\n"
"Parameters to snapshot subcommand:\n"
" 'snapshot' is the name of the snapshot to create, apply or delete\n"
" '-a' applies a snapshot (revert disk to saved state)\n"
" '-c' creates a snapshot\n"
" '-d' deletes a snapshot\n"
" '-l' lists all snapshots in the given image\n"
);
printf("\nSupported formats:");
bdrv_iterate_format(format_print, NULL);
printf("\n");
exit(1);
}
| 20,281 |
qemu | c60bf3391bf4cb79b7adc6650094e21671ddaabd | 0 | ReadLineState *readline_init(Monitor *mon,
ReadLineCompletionFunc *completion_finder)
{
ReadLineState *rs = g_malloc0(sizeof(*rs));
rs->hist_entry = -1;
rs->mon = mon;
rs->completion_finder = completion_finder;
return rs;
}
| 20,284 |
qemu | c4d9d19645a484298a67e9021060bc7c2b081d0f | 0 | BlockDriverAIOCB *thread_pool_submit_aio(ThreadPoolFunc *func, void *arg,
BlockDriverCompletionFunc *cb, void *opaque)
{
ThreadPool *pool = &global_pool;
ThreadPoolElement *req;
req = qemu_aio_get(&thread_pool_aiocb_info, NULL, cb, opaque);
req->func = func;
req->arg = arg;
req->state = THREAD_QUEUED;
req->pool = pool;
QLIST_INSERT_HEAD(&pool->head, req, all);
trace_thread_pool_submit(pool, req, arg);
qemu_mutex_lock(&pool->lock);
if (pool->idle_threads == 0 && pool->cur_threads < pool->max_threads) {
spawn_thread(pool);
}
QTAILQ_INSERT_TAIL(&pool->request_list, req, reqs);
qemu_mutex_unlock(&pool->lock);
qemu_sem_post(&pool->sem);
return &req->common;
}
| 20,285 |
FFmpeg | a5b4476a602f31e451b11ca0c18bc92be130a50e | 0 | int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
{
int ret, i, err;
AVStream *st;
for (;;) {
AVPacketList *pktl = s->internal->raw_packet_buffer;
if (pktl) {
*pkt = pktl->pkt;
st = s->streams[pkt->stream_index];
if (s->internal->raw_packet_buffer_remaining_size <= 0)
if ((err = probe_codec(s, st, NULL)) < 0)
return err;
if (st->request_probe <= 0) {
s->internal->raw_packet_buffer = pktl->next;
s->internal->raw_packet_buffer_remaining_size += pkt->size;
av_free(pktl);
return 0;
}
}
pkt->data = NULL;
pkt->size = 0;
av_init_packet(pkt);
ret = s->iformat->read_packet(s, pkt);
if (ret < 0) {
/* Some demuxers return FFERROR_REDO when they consume
data and discard it (ignored streams, junk, extradata).
We must re-call the demuxer to get the real packet. */
if (ret == FFERROR_REDO)
continue;
if (!pktl || ret == AVERROR(EAGAIN))
return ret;
for (i = 0; i < s->nb_streams; i++) {
st = s->streams[i];
if (st->probe_packets)
if ((err = probe_codec(s, st, NULL)) < 0)
return err;
av_assert0(st->request_probe <= 0);
}
continue;
}
if (!pkt->buf) {
AVPacket tmp = { 0 };
ret = av_packet_ref(&tmp, pkt);
if (ret < 0)
return ret;
*pkt = tmp;
}
if ((s->flags & AVFMT_FLAG_DISCARD_CORRUPT) &&
(pkt->flags & AV_PKT_FLAG_CORRUPT)) {
av_log(s, AV_LOG_WARNING,
"Dropped corrupted packet (stream = %d)\n",
pkt->stream_index);
av_packet_unref(pkt);
continue;
}
if (pkt->stream_index >= (unsigned)s->nb_streams) {
av_log(s, AV_LOG_ERROR, "Invalid stream index %d\n", pkt->stream_index);
continue;
}
st = s->streams[pkt->stream_index];
if (update_wrap_reference(s, st, pkt->stream_index, pkt) && st->pts_wrap_behavior == AV_PTS_WRAP_SUB_OFFSET) {
// correct first time stamps to negative values
if (!is_relative(st->first_dts))
st->first_dts = wrap_timestamp(st, st->first_dts);
if (!is_relative(st->start_time))
st->start_time = wrap_timestamp(st, st->start_time);
if (!is_relative(st->cur_dts))
st->cur_dts = wrap_timestamp(st, st->cur_dts);
}
pkt->dts = wrap_timestamp(st, pkt->dts);
pkt->pts = wrap_timestamp(st, pkt->pts);
force_codec_ids(s, st);
/* TODO: audio: time filter; video: frame reordering (pts != dts) */
if (s->use_wallclock_as_timestamps)
pkt->dts = pkt->pts = av_rescale_q(av_gettime(), AV_TIME_BASE_Q, st->time_base);
if (!pktl && st->request_probe <= 0)
return ret;
err = add_to_pktbuf(&s->internal->raw_packet_buffer, pkt,
&s->internal->raw_packet_buffer_end, 0);
if (err)
return err;
s->internal->raw_packet_buffer_remaining_size -= pkt->size;
if ((err = probe_codec(s, st, pkt)) < 0)
return err;
}
}
| 20,286 |
qemu | 7a39fe588251ba042c91bf23d53b0ba820bf964c | 0 | int kvm_arch_post_run(CPUState *env, struct kvm_run *run)
{
return 0;
}
| 20,287 |
qemu | 46181129eac9a56d9a948667282dd03d5015f096 | 0 | int bdrv_child_try_set_perm(BdrvChild *c, uint64_t perm, uint64_t shared,
Error **errp)
{
int ret;
ret = bdrv_child_check_perm(c, perm, shared, errp);
if (ret < 0) {
bdrv_child_abort_perm_update(c);
return ret;
}
bdrv_child_set_perm(c, perm, shared);
return 0;
}
| 20,289 |
qemu | 145614a112a8e67d6c84b26faaf2b2002e17d9be | 0 | static gboolean nbd_accept(QIOChannel *ioc, GIOCondition cond, gpointer opaque)
{
QIOChannelSocket *cioc;
cioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(ioc),
NULL);
if (!cioc) {
return TRUE;
}
if (state >= TERMINATE) {
object_unref(OBJECT(cioc));
return TRUE;
}
nb_fds++;
nbd_update_server_watch();
nbd_client_new(newproto ? NULL : exp, cioc,
NULL, NULL, nbd_client_closed);
object_unref(OBJECT(cioc));
return TRUE;
}
| 20,290 |
qemu | 498f21405a286f718a0767c791b7d2db19f4e5bd | 0 | static int sd_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
int ret, fd;
uint32_t vid = 0;
BDRVSheepdogState *s = bs->opaque;
char vdi[SD_MAX_VDI_LEN], tag[SD_MAX_VDI_TAG_LEN];
uint32_t snapid;
char *buf = NULL;
QemuOpts *opts;
Error *local_err = NULL;
const char *filename;
s->bs = bs;
s->aio_context = bdrv_get_aio_context(bs);
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (local_err) {
error_propagate(errp, local_err);
ret = -EINVAL;
goto out;
}
filename = qemu_opt_get(opts, "filename");
QLIST_INIT(&s->inflight_aio_head);
QLIST_INIT(&s->failed_aio_head);
QLIST_INIT(&s->inflight_aiocb_head);
s->fd = -1;
memset(vdi, 0, sizeof(vdi));
memset(tag, 0, sizeof(tag));
if (strstr(filename, "://")) {
ret = sd_parse_uri(s, filename, vdi, &snapid, tag);
} else {
ret = parse_vdiname(s, filename, vdi, &snapid, tag);
}
if (ret < 0) {
error_setg(errp, "Can't parse filename");
goto out;
}
s->fd = get_sheep_fd(s, errp);
if (s->fd < 0) {
ret = s->fd;
goto out;
}
ret = find_vdi_name(s, vdi, snapid, tag, &vid, true, errp);
if (ret) {
goto out;
}
/*
* QEMU block layer emulates writethrough cache as 'writeback + flush', so
* we always set SD_FLAG_CMD_CACHE (writeback cache) as default.
*/
s->cache_flags = SD_FLAG_CMD_CACHE;
if (flags & BDRV_O_NOCACHE) {
s->cache_flags = SD_FLAG_CMD_DIRECT;
}
s->discard_supported = true;
if (snapid || tag[0] != '\0') {
DPRINTF("%" PRIx32 " snapshot inode was open.\n", vid);
s->is_snapshot = true;
}
fd = connect_to_sdog(s, errp);
if (fd < 0) {
ret = fd;
goto out;
}
buf = g_malloc(SD_INODE_SIZE);
ret = read_object(fd, s->aio_context, buf, vid_to_vdi_oid(vid),
0, SD_INODE_SIZE, 0, s->cache_flags);
closesocket(fd);
if (ret) {
error_setg(errp, "Can't read snapshot inode");
goto out;
}
memcpy(&s->inode, buf, sizeof(s->inode));
s->min_dirty_data_idx = UINT32_MAX;
s->max_dirty_data_idx = 0;
bs->total_sectors = s->inode.vdi_size / BDRV_SECTOR_SIZE;
pstrcpy(s->name, sizeof(s->name), vdi);
qemu_co_mutex_init(&s->lock);
qemu_co_queue_init(&s->overwrapping_queue);
qemu_opts_del(opts);
g_free(buf);
return 0;
out:
aio_set_fd_handler(bdrv_get_aio_context(bs), s->fd, NULL, NULL, NULL);
if (s->fd >= 0) {
closesocket(s->fd);
}
qemu_opts_del(opts);
g_free(buf);
return ret;
}
| 20,291 |
qemu | 7f6613cedc59fa849105668ae971dc31004bca1c | 0 | static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
{
const char *opn = "cp1 move";
TCGv t0 = tcg_temp_new();
switch (opc) {
case OPC_MFC1:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(fp0, fs);
tcg_gen_ext_i32_tl(t0, fp0);
tcg_temp_free_i32(fp0);
}
gen_store_gpr(t0, rt);
opn = "mfc1";
break;
case OPC_MTC1:
gen_load_gpr(t0, rt);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(fp0, t0);
gen_store_fpr32(fp0, fs);
tcg_temp_free_i32(fp0);
}
opn = "mtc1";
break;
case OPC_CFC1:
gen_helper_1e0i(cfc1, t0, fs);
gen_store_gpr(t0, rt);
opn = "cfc1";
break;
case OPC_CTC1:
gen_load_gpr(t0, rt);
{
TCGv_i32 fs_tmp = tcg_const_i32(fs);
gen_helper_0e2i(ctc1, t0, fs_tmp, rt);
tcg_temp_free_i32(fs_tmp);
}
opn = "ctc1";
break;
#if defined(TARGET_MIPS64)
case OPC_DMFC1:
gen_load_fpr64(ctx, t0, fs);
gen_store_gpr(t0, rt);
opn = "dmfc1";
break;
case OPC_DMTC1:
gen_load_gpr(t0, rt);
gen_store_fpr64(ctx, t0, fs);
opn = "dmtc1";
break;
#endif
case OPC_MFHC1:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32h(fp0, fs);
tcg_gen_ext_i32_tl(t0, fp0);
tcg_temp_free_i32(fp0);
}
gen_store_gpr(t0, rt);
opn = "mfhc1";
break;
case OPC_MTHC1:
gen_load_gpr(t0, rt);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(fp0, t0);
gen_store_fpr32h(fp0, fs);
tcg_temp_free_i32(fp0);
}
opn = "mthc1";
break;
default:
MIPS_INVAL(opn);
generate_exception (ctx, EXCP_RI);
goto out;
}
(void)opn; /* avoid a compiler warning */
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
out:
tcg_temp_free(t0);
}
| 20,292 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void hpet_ram_write(void *opaque, target_phys_addr_t addr,
uint64_t value, unsigned size)
{
int i;
HPETState *s = opaque;
uint64_t old_val, new_val, val, index;
DPRINTF("qemu: Enter hpet_ram_writel at %" PRIx64 " = %#x\n", addr, value);
index = addr;
old_val = hpet_ram_read(opaque, addr, 4);
new_val = value;
/*address range of all TN regs*/
if (index >= 0x100 && index <= 0x3ff) {
uint8_t timer_id = (addr - 0x100) / 0x20;
HPETTimer *timer = &s->timer[timer_id];
DPRINTF("qemu: hpet_ram_writel timer_id = %#x\n", timer_id);
if (timer_id > s->num_timers) {
DPRINTF("qemu: timer id out of range\n");
return;
}
switch ((addr - 0x100) % 0x20) {
case HPET_TN_CFG:
DPRINTF("qemu: hpet_ram_writel HPET_TN_CFG\n");
if (activating_bit(old_val, new_val, HPET_TN_FSB_ENABLE)) {
update_irq(timer, 0);
}
val = hpet_fixup_reg(new_val, old_val, HPET_TN_CFG_WRITE_MASK);
timer->config = (timer->config & 0xffffffff00000000ULL) | val;
if (new_val & HPET_TN_32BIT) {
timer->cmp = (uint32_t)timer->cmp;
timer->period = (uint32_t)timer->period;
}
if (activating_bit(old_val, new_val, HPET_TN_ENABLE)) {
hpet_set_timer(timer);
} else if (deactivating_bit(old_val, new_val, HPET_TN_ENABLE)) {
hpet_del_timer(timer);
}
break;
case HPET_TN_CFG + 4: // Interrupt capabilities
DPRINTF("qemu: invalid HPET_TN_CFG+4 write\n");
break;
case HPET_TN_CMP: // comparator register
DPRINTF("qemu: hpet_ram_writel HPET_TN_CMP\n");
if (timer->config & HPET_TN_32BIT) {
new_val = (uint32_t)new_val;
}
if (!timer_is_periodic(timer)
|| (timer->config & HPET_TN_SETVAL)) {
timer->cmp = (timer->cmp & 0xffffffff00000000ULL) | new_val;
}
if (timer_is_periodic(timer)) {
/*
* FIXME: Clamp period to reasonable min value?
* Clamp period to reasonable max value
*/
new_val &= (timer->config & HPET_TN_32BIT ? ~0u : ~0ull) >> 1;
timer->period =
(timer->period & 0xffffffff00000000ULL) | new_val;
}
timer->config &= ~HPET_TN_SETVAL;
if (hpet_enabled(s)) {
hpet_set_timer(timer);
}
break;
case HPET_TN_CMP + 4: // comparator register high order
DPRINTF("qemu: hpet_ram_writel HPET_TN_CMP + 4\n");
if (!timer_is_periodic(timer)
|| (timer->config & HPET_TN_SETVAL)) {
timer->cmp = (timer->cmp & 0xffffffffULL) | new_val << 32;
} else {
/*
* FIXME: Clamp period to reasonable min value?
* Clamp period to reasonable max value
*/
new_val &= (timer->config & HPET_TN_32BIT ? ~0u : ~0ull) >> 1;
timer->period =
(timer->period & 0xffffffffULL) | new_val << 32;
}
timer->config &= ~HPET_TN_SETVAL;
if (hpet_enabled(s)) {
hpet_set_timer(timer);
}
break;
case HPET_TN_ROUTE:
timer->fsb = (timer->fsb & 0xffffffff00000000ULL) | new_val;
break;
case HPET_TN_ROUTE + 4:
timer->fsb = (new_val << 32) | (timer->fsb & 0xffffffff);
break;
default:
DPRINTF("qemu: invalid hpet_ram_writel\n");
break;
}
return;
} else {
switch (index) {
case HPET_ID:
return;
case HPET_CFG:
val = hpet_fixup_reg(new_val, old_val, HPET_CFG_WRITE_MASK);
s->config = (s->config & 0xffffffff00000000ULL) | val;
if (activating_bit(old_val, new_val, HPET_CFG_ENABLE)) {
/* Enable main counter and interrupt generation. */
s->hpet_offset =
ticks_to_ns(s->hpet_counter) - qemu_get_clock_ns(vm_clock);
for (i = 0; i < s->num_timers; i++) {
if ((&s->timer[i])->cmp != ~0ULL) {
hpet_set_timer(&s->timer[i]);
}
}
} else if (deactivating_bit(old_val, new_val, HPET_CFG_ENABLE)) {
/* Halt main counter and disable interrupt generation. */
s->hpet_counter = hpet_get_ticks(s);
for (i = 0; i < s->num_timers; i++) {
hpet_del_timer(&s->timer[i]);
}
}
/* i8254 and RTC output pins are disabled
* when HPET is in legacy mode */
if (activating_bit(old_val, new_val, HPET_CFG_LEGACY)) {
qemu_set_irq(s->pit_enabled, 0);
qemu_irq_lower(s->irqs[0]);
qemu_irq_lower(s->irqs[RTC_ISA_IRQ]);
} else if (deactivating_bit(old_val, new_val, HPET_CFG_LEGACY)) {
qemu_irq_lower(s->irqs[0]);
qemu_set_irq(s->pit_enabled, 1);
qemu_set_irq(s->irqs[RTC_ISA_IRQ], s->rtc_irq_level);
}
break;
case HPET_CFG + 4:
DPRINTF("qemu: invalid HPET_CFG+4 write\n");
break;
case HPET_STATUS:
val = new_val & s->isr;
for (i = 0; i < s->num_timers; i++) {
if (val & (1 << i)) {
update_irq(&s->timer[i], 0);
}
}
break;
case HPET_COUNTER:
if (hpet_enabled(s)) {
DPRINTF("qemu: Writing counter while HPET enabled!\n");
}
s->hpet_counter =
(s->hpet_counter & 0xffffffff00000000ULL) | value;
DPRINTF("qemu: HPET counter written. ctr = %#x -> %" PRIx64 "\n",
value, s->hpet_counter);
break;
case HPET_COUNTER + 4:
if (hpet_enabled(s)) {
DPRINTF("qemu: Writing counter while HPET enabled!\n");
}
s->hpet_counter =
(s->hpet_counter & 0xffffffffULL) | (((uint64_t)value) << 32);
DPRINTF("qemu: HPET counter + 4 written. ctr = %#x -> %" PRIx64 "\n",
value, s->hpet_counter);
break;
default:
DPRINTF("qemu: invalid hpet_ram_writel\n");
break;
}
}
}
| 20,293 |
qemu | 082c6681b6c4af0035d9dad34a4a784be8c21dbe | 0 | static void init_proc_601 (CPUPPCState *env)
{
gen_spr_ne_601(env);
gen_spr_601(env);
/* Hardware implementation registers */
/* XXX : not implemented */
spr_register(env, SPR_HID0, "HID0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_hid0_601,
0x80010080);
/* XXX : not implemented */
spr_register(env, SPR_HID1, "HID1",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_601_HID2, "HID2",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_601_HID5, "HID5",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_601_HID15, "HID15",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* Memory management */
#if !defined(CONFIG_USER_ONLY)
env->nb_tlb = 64;
env->nb_ways = 2;
env->id_tlbs = 0;
#endif
init_excp_601(env);
env->dcache_line_size = 64;
env->icache_line_size = 64;
/* Allocate hardware IRQ controller */
ppc6xx_irq_init(env);
}
| 20,294 |
qemu | 6e0d8677cb443e7408c0b7a25a93c6596d7fa380 | 0 | static inline void gen_stos(DisasContext *s, int ot)
{
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
gen_string_movl_A0_EDI(s);
gen_op_st_T0_A0(ot + s->mem_index);
gen_op_movl_T0_Dshift[ot]();
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_addq_EDI_T0();
} else
#endif
if (s->aflag) {
gen_op_addl_EDI_T0();
} else {
gen_op_addw_EDI_T0();
}
}
| 20,295 |
qemu | 0e7106d8b5f7ef4f9df10baf1dfb3db482bcd046 | 0 | static int read_object(int fd, char *buf, uint64_t oid, int copies,
unsigned int datalen, uint64_t offset, bool cache)
{
return read_write_object(fd, buf, oid, copies, datalen, offset, false,
false, cache);
}
| 20,296 |
FFmpeg | 5891e454a667e42ef71a06bfd9661540ea3f3ebd | 0 | static int decode_group3_2d_line(AVCodecContext *avctx, GetBitContext *gb,
unsigned int width, int *runs, const int *runend, const int *ref)
{
int mode = 0, saved_run = 0, t;
int run_off = *ref++;
unsigned int offs=0, run= 0;
runend--; // for the last written 0
while(offs < width){
int cmode = get_vlc2(gb, ccitt_group3_2d_vlc.table, 9, 1);
if(cmode == -1){
av_log(avctx, AV_LOG_ERROR, "Incorrect mode VLC\n");
return -1;
}
if(!cmode){//pass mode
run_off += *ref++;
run = run_off - offs;
offs= run_off;
run_off += *ref++;
if(offs > width){
av_log(avctx, AV_LOG_ERROR, "Run went out of bounds\n");
return -1;
}
saved_run += run;
}else if(cmode == 1){//horizontal mode
int k;
for(k = 0; k < 2; k++){
run = 0;
for(;;){
t = get_vlc2(gb, ccitt_vlc[mode].table, 9, 2);
if(t == -1){
av_log(avctx, AV_LOG_ERROR, "Incorrect code\n");
return -1;
}
run += t;
if(t < 64)
break;
}
*runs++ = run + saved_run;
if(runs >= runend){
av_log(avctx, AV_LOG_ERROR, "Run overrun\n");
return -1;
}
saved_run = 0;
offs += run;
if(offs > width || run > width){
av_log(avctx, AV_LOG_ERROR, "Run went out of bounds\n");
return -1;
}
mode = !mode;
}
}else if(cmode == 9 || cmode == 10){
av_log(avctx, AV_LOG_ERROR, "Special modes are not supported (yet)\n");
return -1;
}else{//vertical mode
run = run_off - offs + (cmode - 5);
run_off -= *--ref;
offs += run;
if(offs > width || run > width){
av_log(avctx, AV_LOG_ERROR, "Run went out of bounds\n");
return -1;
}
*runs++ = run + saved_run;
if(runs >= runend){
av_log(avctx, AV_LOG_ERROR, "Run overrun\n");
return -1;
}
saved_run = 0;
mode = !mode;
}
//sync line pointers
while(run_off <= offs){
run_off += *ref++;
run_off += *ref++;
}
}
*runs++ = saved_run;
*runs++ = 0;
return 0;
}
| 20,297 |
qemu | 65afd211c71fc91750d8a18f9604c1e57a5202fb | 0 | static int coroutine_fn bdrv_aligned_preadv(BlockDriverState *bs,
int64_t offset, unsigned int bytes, QEMUIOVector *qiov, int flags)
{
BlockDriver *drv = bs->drv;
BdrvTrackedRequest req;
int ret;
int64_t sector_num = offset >> BDRV_SECTOR_BITS;
unsigned int nb_sectors = bytes >> BDRV_SECTOR_BITS;
assert((offset & (BDRV_SECTOR_SIZE - 1)) == 0);
assert((bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
/* Handle Copy on Read and associated serialisation */
if (flags & BDRV_REQ_COPY_ON_READ) {
bs->copy_on_read_in_flight++;
}
if (bs->copy_on_read_in_flight) {
wait_for_overlapping_requests(bs, offset, bytes);
}
tracked_request_begin(&req, bs, offset, bytes, false);
if (flags & BDRV_REQ_COPY_ON_READ) {
int pnum;
ret = bdrv_is_allocated(bs, sector_num, nb_sectors, &pnum);
if (ret < 0) {
goto out;
}
if (!ret || pnum != nb_sectors) {
ret = bdrv_co_do_copy_on_readv(bs, sector_num, nb_sectors, qiov);
goto out;
}
}
/* Forward the request to the BlockDriver */
if (!(bs->zero_beyond_eof && bs->growable)) {
ret = drv->bdrv_co_readv(bs, sector_num, nb_sectors, qiov);
} else {
/* Read zeros after EOF of growable BDSes */
int64_t len, total_sectors, max_nb_sectors;
len = bdrv_getlength(bs);
if (len < 0) {
ret = len;
goto out;
}
total_sectors = DIV_ROUND_UP(len, BDRV_SECTOR_SIZE);
max_nb_sectors = MAX(0, total_sectors - sector_num);
if (max_nb_sectors > 0) {
ret = drv->bdrv_co_readv(bs, sector_num,
MIN(nb_sectors, max_nb_sectors), qiov);
} else {
ret = 0;
}
/* Reading beyond end of file is supposed to produce zeroes */
if (ret == 0 && total_sectors < sector_num + nb_sectors) {
uint64_t offset = MAX(0, total_sectors - sector_num);
uint64_t bytes = (sector_num + nb_sectors - offset) *
BDRV_SECTOR_SIZE;
qemu_iovec_memset(qiov, offset * BDRV_SECTOR_SIZE, 0, bytes);
}
}
out:
tracked_request_end(&req);
if (flags & BDRV_REQ_COPY_ON_READ) {
bs->copy_on_read_in_flight--;
}
return ret;
}
| 20,298 |
qemu | 9e0f5b8108e248b78444c9a2ec41a8309825736c | 0 | void virtio_queue_notify_vq(VirtQueue *vq)
{
if (vq->vring.desc) {
VirtIODevice *vdev = vq->vdev;
trace_virtio_queue_notify(vdev, vq - vdev->vq, vq);
vq->handle_output(vdev, vq);
}
}
| 20,300 |
qemu | d96391c1ffeb30a0afa695c86579517c69d9a889 | 1 | target_ulong helper_rdhwr_performance(CPUMIPSState *env)
{
check_hwrena(env, 4);
return env->CP0_Performance0;
}
| 20,302 |
qemu | af7e9e74c6a62a5bcd911726a9e88d28b61490e0 | 1 | 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->vector_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;
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;
}
| 20,303 |
qemu | 630530a6529bc3da9ab8aead7053dc753cb9ac77 | 1 | static uint64_t get_cluster_offset(BlockDriverState *bs,
uint64_t offset, int allocate)
{
BDRVVmdkState *s = bs->opaque;
unsigned int l1_index, l2_offset, l2_index;
int min_index, i, j;
uint32_t min_count, *l2_table, tmp;
uint64_t cluster_offset;
l1_index = (offset >> 9) / s->l1_entry_sectors;
if (l1_index >= s->l1_size)
return 0;
l2_offset = s->l1_table[l1_index];
if (!l2_offset)
return 0;
for(i = 0; i < L2_CACHE_SIZE; i++) {
if (l2_offset == s->l2_cache_offsets[i]) {
/* increment the hit count */
if (++s->l2_cache_counts[i] == 0xffffffff) {
for(j = 0; j < L2_CACHE_SIZE; j++) {
s->l2_cache_counts[j] >>= 1;
}
}
l2_table = s->l2_cache + (i * s->l2_size);
goto found;
}
}
/* not found: load a new entry in the least used one */
min_index = 0;
min_count = 0xffffffff;
for(i = 0; i < L2_CACHE_SIZE; i++) {
if (s->l2_cache_counts[i] < min_count) {
min_count = s->l2_cache_counts[i];
min_index = i;
}
}
l2_table = s->l2_cache + (min_index * s->l2_size);
if (bdrv_pread(s->hd, (int64_t)l2_offset * 512, l2_table, s->l2_size * sizeof(uint32_t)) !=
s->l2_size * sizeof(uint32_t))
return 0;
s->l2_cache_offsets[min_index] = l2_offset;
s->l2_cache_counts[min_index] = 1;
found:
l2_index = ((offset >> 9) / s->cluster_sectors) % s->l2_size;
cluster_offset = le32_to_cpu(l2_table[l2_index]);
if (!cluster_offset) {
struct stat file_buf;
if (!allocate)
return 0;
stat(s->hd->filename, &file_buf);
cluster_offset = file_buf.st_size;
bdrv_truncate(s->hd, cluster_offset + (s->cluster_sectors << 9));
cluster_offset >>= 9;
/* update L2 table */
tmp = cpu_to_le32(cluster_offset);
l2_table[l2_index] = tmp;
if (bdrv_pwrite(s->hd, ((int64_t)l2_offset * 512) + (l2_index * sizeof(tmp)),
&tmp, sizeof(tmp)) != sizeof(tmp))
return 0;
/* update backup L2 table */
if (s->l1_backup_table_offset != 0) {
l2_offset = s->l1_backup_table[l1_index];
if (bdrv_pwrite(s->hd, ((int64_t)l2_offset * 512) + (l2_index * sizeof(tmp)),
&tmp, sizeof(tmp)) != sizeof(tmp))
return 0;
}
if (get_whole_cluster(bs, cluster_offset, offset, allocate) == -1)
return 0;
}
cluster_offset <<= 9;
return cluster_offset;
}
| 20,304 |
qemu | 473c7f0255920bcaf37411990a3725898772817f | 1 | static void rbd_aio_bh_cb(void *opaque)
{
RBDAIOCB *acb = opaque;
if (acb->cmd == RBD_AIO_READ) {
qemu_iovec_from_buf(acb->qiov, 0, acb->bounce, acb->qiov->size);
}
qemu_vfree(acb->bounce);
acb->common.cb(acb->common.opaque, (acb->ret > 0 ? 0 : acb->ret));
qemu_bh_delete(acb->bh);
acb->bh = NULL;
qemu_aio_release(acb);
}
| 20,306 |
qemu | 34779e8c3991f7fcd74b2045478abcef67dbeb15 | 1 | static void test_tco_second_timeout_shutdown(void)
{
TestData td;
const uint16_t ticks = TCO_SECS_TO_TICKS(128);
QDict *ad;
td.args = "-watchdog-action shutdown";
td.noreboot = false;
test_init(&td);
stop_tco(&td);
clear_tco_status(&td);
reset_on_second_timeout(true);
set_tco_timeout(&td, ticks);
load_tco(&td);
start_tco(&td);
clock_step(ticks * TCO_TICK_NSEC * 2);
ad = get_watchdog_action();
g_assert(!strcmp(qdict_get_str(ad, "action"), "shutdown"));
QDECREF(ad);
stop_tco(&td);
qtest_end();
}
| 20,307 |
qemu | 072bdb07c5ef8b0351f9973ab5bba9e76be978a9 | 1 | static void add_ptimer_tests(uint8_t policy)
{
uint8_t *ppolicy = g_malloc(1);
char *policy_name = g_malloc0(256);
*ppolicy = policy;
if (policy == PTIMER_POLICY_DEFAULT) {
g_sprintf(policy_name, "default");
}
if (policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD) {
g_strlcat(policy_name, "wrap_after_one_period,", 256);
}
if (policy & PTIMER_POLICY_CONTINUOUS_TRIGGER) {
g_strlcat(policy_name, "continuous_trigger,", 256);
}
if (policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER) {
g_strlcat(policy_name, "no_immediate_trigger,", 256);
}
if (policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD) {
g_strlcat(policy_name, "no_immediate_reload,", 256);
}
if (policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN) {
g_strlcat(policy_name, "no_counter_rounddown,", 256);
}
g_test_add_data_func(
g_strdup_printf("/ptimer/set_count policy=%s", policy_name),
ppolicy, check_set_count);
g_test_add_data_func(
g_strdup_printf("/ptimer/set_limit policy=%s", policy_name),
ppolicy, check_set_limit);
g_test_add_data_func(
g_strdup_printf("/ptimer/oneshot policy=%s", policy_name),
ppolicy, check_oneshot);
g_test_add_data_func(
g_strdup_printf("/ptimer/periodic policy=%s", policy_name),
ppolicy, check_periodic);
g_test_add_data_func(
g_strdup_printf("/ptimer/on_the_fly_mode_change policy=%s", policy_name),
ppolicy, check_on_the_fly_mode_change);
g_test_add_data_func(
g_strdup_printf("/ptimer/on_the_fly_period_change policy=%s", policy_name),
ppolicy, check_on_the_fly_period_change);
g_test_add_data_func(
g_strdup_printf("/ptimer/on_the_fly_freq_change policy=%s", policy_name),
ppolicy, check_on_the_fly_freq_change);
g_test_add_data_func(
g_strdup_printf("/ptimer/run_with_period_0 policy=%s", policy_name),
ppolicy, check_run_with_period_0);
g_test_add_data_func(
g_strdup_printf("/ptimer/run_with_delta_0 policy=%s", policy_name),
ppolicy, check_run_with_delta_0);
g_test_add_data_func(
g_strdup_printf("/ptimer/periodic_with_load_0 policy=%s", policy_name),
ppolicy, check_periodic_with_load_0);
g_test_add_data_func(
g_strdup_printf("/ptimer/oneshot_with_load_0 policy=%s", policy_name),
ppolicy, check_oneshot_with_load_0);
}
| 20,308 |
qemu | 1b3e71f8ee17ced609213d9b41758110f3c026e9 | 1 | void HELPER(entry)(CPUXtensaState *env, uint32_t pc, uint32_t s, uint32_t imm)
{
int callinc = (env->sregs[PS] & PS_CALLINC) >> PS_CALLINC_SHIFT;
if (s > 3 || ((env->sregs[PS] & (PS_WOE | PS_EXCM)) ^ PS_WOE) != 0) {
qemu_log("Illegal entry instruction(pc = %08x), PS = %08x\n",
pc, env->sregs[PS]);
HELPER(exception_cause)(env, pc, ILLEGAL_INSTRUCTION_CAUSE);
} else {
env->regs[(callinc << 2) | (s & 3)] = env->regs[s] - (imm << 3);
rotate_window(env, callinc);
env->sregs[WINDOW_START] |=
windowstart_bit(env->sregs[WINDOW_BASE], env); | 20,309 |
qemu | 2f448e415f364d0ec4c5556993e44ca183e31c5c | 1 | static void macio_nvram_writeb(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
MacIONVRAMState *s = opaque;
addr = (addr >> s->it_shift) & (s->size - 1);
s->data[addr] = value;
NVR_DPRINTF("writeb addr %04" PHYS_PRIx " val %" PRIx64 "\n", addr, value);
}
| 20,310 |
qemu | 951053a9ec1c47edf4b2549ef58d82aee8a42a7f | 1 | static int qcow2_do_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
BDRVQcow2State *s = bs->opaque;
unsigned int len, i;
int ret = 0;
QCowHeader header;
Error *local_err = NULL;
uint64_t ext_end;
uint64_t l1_vm_state_index;
bool update_header = false;
ret = bdrv_pread(bs->file, 0, &header, sizeof(header));
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not read qcow2 header");
be32_to_cpus(&header.magic);
be32_to_cpus(&header.version);
be64_to_cpus(&header.backing_file_offset);
be32_to_cpus(&header.backing_file_size);
be64_to_cpus(&header.size);
be32_to_cpus(&header.cluster_bits);
be32_to_cpus(&header.crypt_method);
be64_to_cpus(&header.l1_table_offset);
be32_to_cpus(&header.l1_size);
be64_to_cpus(&header.refcount_table_offset);
be32_to_cpus(&header.refcount_table_clusters);
be64_to_cpus(&header.snapshots_offset);
be32_to_cpus(&header.nb_snapshots);
if (header.magic != QCOW_MAGIC) {
error_setg(errp, "Image is not in qcow2 format");
if (header.version < 2 || header.version > 3) {
error_setg(errp, "Unsupported qcow2 version %" PRIu32, header.version);
ret = -ENOTSUP;
s->qcow_version = header.version;
/* Initialise cluster size */
if (header.cluster_bits < MIN_CLUSTER_BITS ||
header.cluster_bits > MAX_CLUSTER_BITS) {
error_setg(errp, "Unsupported cluster size: 2^%" PRIu32,
header.cluster_bits);
s->cluster_bits = header.cluster_bits;
s->cluster_size = 1 << s->cluster_bits;
s->cluster_sectors = 1 << (s->cluster_bits - BDRV_SECTOR_BITS);
/* Initialise version 3 header fields */
if (header.version == 2) {
header.incompatible_features = 0;
header.compatible_features = 0;
header.autoclear_features = 0;
header.refcount_order = 4;
header.header_length = 72;
} else {
be64_to_cpus(&header.incompatible_features);
be64_to_cpus(&header.compatible_features);
be64_to_cpus(&header.autoclear_features);
be32_to_cpus(&header.refcount_order);
be32_to_cpus(&header.header_length);
if (header.header_length < 104) {
error_setg(errp, "qcow2 header too short");
if (header.header_length > s->cluster_size) {
error_setg(errp, "qcow2 header exceeds cluster size");
if (header.header_length > sizeof(header)) {
s->unknown_header_fields_size = header.header_length - sizeof(header);
s->unknown_header_fields = g_malloc(s->unknown_header_fields_size);
ret = bdrv_pread(bs->file, sizeof(header), s->unknown_header_fields,
s->unknown_header_fields_size);
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not read unknown qcow2 header "
"fields");
if (header.backing_file_offset > s->cluster_size) {
error_setg(errp, "Invalid backing file offset");
if (header.backing_file_offset) {
ext_end = header.backing_file_offset;
} else {
ext_end = 1 << header.cluster_bits;
/* Handle feature bits */
s->incompatible_features = header.incompatible_features;
s->compatible_features = header.compatible_features;
s->autoclear_features = header.autoclear_features;
if (s->incompatible_features & ~QCOW2_INCOMPAT_MASK) {
void *feature_table = NULL;
qcow2_read_extensions(bs, header.header_length, ext_end,
&feature_table, flags, NULL, NULL);
report_unsupported_feature(errp, feature_table,
s->incompatible_features &
~QCOW2_INCOMPAT_MASK);
ret = -ENOTSUP;
g_free(feature_table);
if (s->incompatible_features & QCOW2_INCOMPAT_CORRUPT) {
/* Corrupt images may not be written to unless they are being repaired
*/
if ((flags & BDRV_O_RDWR) && !(flags & BDRV_O_CHECK)) {
error_setg(errp, "qcow2: Image is corrupt; cannot be opened "
"read/write");
ret = -EACCES;
/* Check support for various header values */
if (header.refcount_order > 6) {
error_setg(errp, "Reference count entry width too large; may not "
"exceed 64 bits");
s->refcount_order = header.refcount_order;
s->refcount_bits = 1 << s->refcount_order;
s->refcount_max = UINT64_C(1) << (s->refcount_bits - 1);
s->refcount_max += s->refcount_max - 1;
s->crypt_method_header = header.crypt_method;
if (s->crypt_method_header) {
if (bdrv_uses_whitelist() &&
s->crypt_method_header == QCOW_CRYPT_AES) {
error_setg(errp,
"Use of AES-CBC encrypted qcow2 images is no longer "
"supported in system emulators");
error_append_hint(errp,
"You can use 'qemu-img convert' to convert your "
"image to an alternative supported format, such "
"as unencrypted qcow2, or raw with the LUKS "
"format instead.\n");
ret = -ENOSYS;
if (s->crypt_method_header == QCOW_CRYPT_AES) {
s->crypt_physical_offset = false;
} else {
/* Assuming LUKS and any future crypt methods we
* add will all use physical offsets, due to the
* fact that the alternative is insecure... */
s->crypt_physical_offset = true;
bs->encrypted = true;
s->l2_bits = s->cluster_bits - 3; /* L2 is always one cluster */
s->l2_size = 1 << s->l2_bits;
/* 2^(s->refcount_order - 3) is the refcount width in bytes */
s->refcount_block_bits = s->cluster_bits - (s->refcount_order - 3);
s->refcount_block_size = 1 << s->refcount_block_bits;
bs->total_sectors = header.size / 512;
s->csize_shift = (62 - (s->cluster_bits - 8));
s->csize_mask = (1 << (s->cluster_bits - 8)) - 1;
s->cluster_offset_mask = (1LL << s->csize_shift) - 1;
s->refcount_table_offset = header.refcount_table_offset;
s->refcount_table_size =
header.refcount_table_clusters << (s->cluster_bits - 3);
if (header.refcount_table_clusters > qcow2_max_refcount_clusters(s)) {
error_setg(errp, "Reference count table too large");
ret = validate_table_offset(bs, s->refcount_table_offset,
s->refcount_table_size, sizeof(uint64_t));
if (ret < 0) {
error_setg(errp, "Invalid reference count table offset");
/* Snapshot table offset/length */
if (header.nb_snapshots > QCOW_MAX_SNAPSHOTS) {
error_setg(errp, "Too many snapshots");
ret = validate_table_offset(bs, header.snapshots_offset,
header.nb_snapshots,
sizeof(QCowSnapshotHeader));
if (ret < 0) {
error_setg(errp, "Invalid snapshot table offset");
/* read the level 1 table */
if (header.l1_size > QCOW_MAX_L1_SIZE / sizeof(uint64_t)) {
error_setg(errp, "Active L1 table too large");
ret = -EFBIG;
s->l1_size = header.l1_size;
l1_vm_state_index = size_to_l1(s, header.size);
if (l1_vm_state_index > INT_MAX) {
error_setg(errp, "Image is too big");
ret = -EFBIG;
s->l1_vm_state_index = l1_vm_state_index;
/* the L1 table must contain at least enough entries to put
header.size bytes */
if (s->l1_size < s->l1_vm_state_index) {
error_setg(errp, "L1 table is too small");
ret = validate_table_offset(bs, header.l1_table_offset,
header.l1_size, sizeof(uint64_t));
if (ret < 0) {
error_setg(errp, "Invalid L1 table offset");
s->l1_table_offset = header.l1_table_offset;
if (s->l1_size > 0) {
s->l1_table = qemu_try_blockalign(bs->file->bs,
align_offset(s->l1_size * sizeof(uint64_t), 512));
if (s->l1_table == NULL) {
error_setg(errp, "Could not allocate L1 table");
ret = -ENOMEM;
ret = bdrv_pread(bs->file, s->l1_table_offset, s->l1_table,
s->l1_size * sizeof(uint64_t));
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not read L1 table");
for(i = 0;i < s->l1_size; i++) {
be64_to_cpus(&s->l1_table[i]);
/* Parse driver-specific options */
ret = qcow2_update_options(bs, options, flags, errp);
if (ret < 0) {
s->cluster_cache_offset = -1;
s->flags = flags;
ret = qcow2_refcount_init(bs);
if (ret != 0) {
error_setg_errno(errp, -ret, "Could not initialize refcount handling");
QLIST_INIT(&s->cluster_allocs);
QTAILQ_INIT(&s->discards);
/* read qcow2 extensions */
if (qcow2_read_extensions(bs, header.header_length, ext_end, NULL,
flags, &update_header, &local_err)) {
error_propagate(errp, local_err);
/* qcow2_read_extension may have set up the crypto context
* if the crypt method needs a header region, some methods
* don't need header extensions, so must check here
*/
if (s->crypt_method_header && !s->crypto) {
if (s->crypt_method_header == QCOW_CRYPT_AES) {
unsigned int cflags = 0;
if (flags & BDRV_O_NO_IO) {
cflags |= QCRYPTO_BLOCK_OPEN_NO_IO;
s->crypto = qcrypto_block_open(s->crypto_opts, "encrypt.",
NULL, NULL, cflags, errp);
if (!s->crypto) {
} else if (!(flags & BDRV_O_NO_IO)) {
error_setg(errp, "Missing CRYPTO header for crypt method %d",
s->crypt_method_header);
/* read the backing file name */
if (header.backing_file_offset != 0) {
len = header.backing_file_size;
if (len > MIN(1023, s->cluster_size - header.backing_file_offset) ||
len >= sizeof(bs->backing_file)) {
error_setg(errp, "Backing file name too long");
ret = bdrv_pread(bs->file, header.backing_file_offset,
bs->backing_file, len);
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not read backing file name");
bs->backing_file[len] = '\0';
s->image_backing_file = g_strdup(bs->backing_file);
/* Internal snapshots */
s->snapshots_offset = header.snapshots_offset;
s->nb_snapshots = header.nb_snapshots;
ret = qcow2_read_snapshots(bs);
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not read snapshots");
/* Clear unknown autoclear feature bits */
update_header |= s->autoclear_features & ~QCOW2_AUTOCLEAR_MASK;
update_header =
update_header && !bs->read_only && !(flags & BDRV_O_INACTIVE);
if (update_header) {
s->autoclear_features &= QCOW2_AUTOCLEAR_MASK;
if (qcow2_load_autoloading_dirty_bitmaps(bs, &local_err)) {
update_header = false;
if (local_err != NULL) {
error_propagate(errp, local_err);
if (update_header) {
ret = qcow2_update_header(bs);
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not update qcow2 header");
/* Initialise locks */
qemu_co_mutex_init(&s->lock);
bs->supported_zero_flags = BDRV_REQ_MAY_UNMAP;
/* Repair image if dirty */
if (!(flags & (BDRV_O_CHECK | BDRV_O_INACTIVE)) && !bs->read_only &&
(s->incompatible_features & QCOW2_INCOMPAT_DIRTY)) {
BdrvCheckResult result = {0};
ret = qcow2_check(bs, &result, BDRV_FIX_ERRORS | BDRV_FIX_LEAKS);
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not repair dirty image");
#ifdef DEBUG_ALLOC
{
BdrvCheckResult result = {0};
qcow2_check_refcounts(bs, &result, 0);
#endif
return ret;
fail:
g_free(s->unknown_header_fields);
cleanup_unknown_header_ext(bs);
qcow2_free_snapshots(bs);
qcow2_refcount_close(bs);
qemu_vfree(s->l1_table);
/* else pre-write overlap checks in cache_destroy may crash */
s->l1_table = NULL;
cache_clean_timer_del(bs);
if (s->l2_table_cache) {
qcow2_cache_destroy(bs, s->l2_table_cache);
if (s->refcount_block_cache) {
qcow2_cache_destroy(bs, s->refcount_block_cache);
qcrypto_block_free(s->crypto);
qapi_free_QCryptoBlockOpenOptions(s->crypto_opts);
return ret; | 20,311 |
qemu | 12d4536f7d911b6d87a766ad7300482ea663cea2 | 1 | static void qemu_kvm_init_cpu_signals(CPUState *env)
{
int r;
sigset_t set;
struct sigaction sigact;
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = dummy_signal;
sigaction(SIG_IPI, &sigact, NULL);
#ifdef CONFIG_IOTHREAD
pthread_sigmask(SIG_BLOCK, NULL, &set);
sigdelset(&set, SIG_IPI);
sigdelset(&set, SIGBUS);
r = kvm_set_signal_mask(env, &set);
if (r) {
fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(-r));
exit(1);
}
#else
sigemptyset(&set);
sigaddset(&set, SIG_IPI);
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
pthread_sigmask(SIG_BLOCK, &set, NULL);
pthread_sigmask(SIG_BLOCK, NULL, &set);
sigdelset(&set, SIGIO);
sigdelset(&set, SIGALRM);
#endif
sigdelset(&set, SIG_IPI);
sigdelset(&set, SIGBUS);
r = kvm_set_signal_mask(env, &set);
if (r) {
fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(-r));
exit(1);
}
}
| 20,312 |
qemu | c508277335e3b6b20cf18e6ea3a35c1fa835c64a | 1 | static inline void vmxnet3_ring_write_curr_cell(Vmxnet3Ring *ring, void *buff)
{
vmw_shmem_write(vmxnet3_ring_curr_cell_pa(ring), buff, ring->cell_size);
}
| 20,313 |
FFmpeg | 428098165de4c3edfe42c1b7f00627d287015863 | 1 | static uint16_t roundToInt16(int64_t f){
int r= (f + (1<<15))>>16;
if(r<-0x7FFF) return 0x8000;
else if(r> 0x7FFF) return 0x7FFF;
else return r;
}
| 20,314 |
FFmpeg | 29545741266a03332f2758c7ba4f77f362c3668d | 1 | static int decode_band_hdr(IVI4DecContext *ctx, IVIBandDesc *band,
AVCodecContext *avctx)
{
int plane, band_num, indx, transform_id, scan_indx;
int i;
int quant_mat;
plane = get_bits(&ctx->gb, 2);
band_num = get_bits(&ctx->gb, 4);
if (band->plane != plane || band->band_num != band_num) {
av_log(avctx, AV_LOG_ERROR, "Invalid band header sequence!\n");
return AVERROR_INVALIDDATA;
}
band->is_empty = get_bits1(&ctx->gb);
if (!band->is_empty) {
/* skip header size
* If header size is not given, header size is 4 bytes. */
if (get_bits1(&ctx->gb))
skip_bits(&ctx->gb, 16);
band->is_halfpel = get_bits(&ctx->gb, 2);
if (band->is_halfpel >= 2) {
av_log(avctx, AV_LOG_ERROR, "Invalid/unsupported mv resolution: %d!\n",
band->is_halfpel);
return AVERROR_INVALIDDATA;
}
#if IVI4_STREAM_ANALYSER
if (!band->is_halfpel)
ctx->uses_fullpel = 1;
#endif
band->checksum_present = get_bits1(&ctx->gb);
if (band->checksum_present)
band->checksum = get_bits(&ctx->gb, 16);
indx = get_bits(&ctx->gb, 2);
if (indx == 3) {
av_log(avctx, AV_LOG_ERROR, "Invalid block size!\n");
return AVERROR_INVALIDDATA;
}
band->mb_size = 16 >> indx;
band->blk_size = 8 >> (indx >> 1);
band->inherit_mv = get_bits1(&ctx->gb);
band->inherit_qdelta = get_bits1(&ctx->gb);
band->glob_quant = get_bits(&ctx->gb, 5);
if (!get_bits1(&ctx->gb) || ctx->frame_type == FRAMETYPE_INTRA) {
transform_id = get_bits(&ctx->gb, 5);
if (transform_id >= FF_ARRAY_ELEMS(transforms) ||
!transforms[transform_id].inv_trans) {
av_log_ask_for_sample(avctx, "Unimplemented transform: %d!\n", transform_id);
return AVERROR_PATCHWELCOME;
}
if ((transform_id >= 7 && transform_id <= 9) ||
transform_id == 17) {
av_log_ask_for_sample(avctx, "DCT transform not supported yet!\n");
return AVERROR_PATCHWELCOME;
}
if (transform_id < 10 && band->blk_size < 8) {
av_log(avctx, AV_LOG_ERROR, "wrong transform size!\n");
return AVERROR_INVALIDDATA;
}
#if IVI4_STREAM_ANALYSER
if ((transform_id >= 0 && transform_id <= 2) || transform_id == 10)
ctx->uses_haar = 1;
#endif
band->inv_transform = transforms[transform_id].inv_trans;
band->dc_transform = transforms[transform_id].dc_trans;
band->is_2d_trans = transforms[transform_id].is_2d_trans;
band->transform_size= (transform_id < 10) ? 8 : 4;
scan_indx = get_bits(&ctx->gb, 4);
if ((scan_indx>4 && scan_indx<10) != (band->blk_size==4)) {
av_log(avctx, AV_LOG_ERROR, "mismatching scan table!\n");
return AVERROR_INVALIDDATA;
}
if (scan_indx == 15) {
av_log(avctx, AV_LOG_ERROR, "Custom scan pattern encountered!\n");
return AVERROR_INVALIDDATA;
}
band->scan = scan_index_to_tab[scan_indx];
quant_mat = get_bits(&ctx->gb, 5);
if (quant_mat == 31) {
av_log(avctx, AV_LOG_ERROR, "Custom quant matrix encountered!\n");
return AVERROR_INVALIDDATA;
}
if (quant_mat > 21) {
av_log(avctx, AV_LOG_ERROR, "Invalid quant matrix encountered!\n");
return AVERROR_INVALIDDATA;
}
band->quant_mat = quant_mat;
}
/* decode block huffman codebook */
if (ff_ivi_dec_huff_desc(&ctx->gb, get_bits1(&ctx->gb), IVI_BLK_HUFF,
&band->blk_vlc, avctx))
return AVERROR_INVALIDDATA;
/* select appropriate rvmap table for this band */
band->rvmap_sel = get_bits1(&ctx->gb) ? get_bits(&ctx->gb, 3) : 8;
/* decode rvmap probability corrections if any */
band->num_corr = 0; /* there is no corrections */
if (get_bits1(&ctx->gb)) {
band->num_corr = get_bits(&ctx->gb, 8); /* get number of correction pairs */
if (band->num_corr > 61) {
av_log(avctx, AV_LOG_ERROR, "Too many corrections: %d\n",
band->num_corr);
return AVERROR_INVALIDDATA;
}
/* read correction pairs */
for (i = 0; i < band->num_corr * 2; i++)
band->corr[i] = get_bits(&ctx->gb, 8);
}
}
if (band->blk_size == 8) {
band->intra_base = &ivi4_quant_8x8_intra[quant_index_to_tab[band->quant_mat]][0];
band->inter_base = &ivi4_quant_8x8_inter[quant_index_to_tab[band->quant_mat]][0];
} else {
band->intra_base = &ivi4_quant_4x4_intra[quant_index_to_tab[band->quant_mat]][0];
band->inter_base = &ivi4_quant_4x4_inter[quant_index_to_tab[band->quant_mat]][0];
}
/* Indeo 4 doesn't use scale tables */
band->intra_scale = NULL;
band->inter_scale = NULL;
align_get_bits(&ctx->gb);
if (!band->scan) {
av_log(avctx, AV_LOG_ERROR, "band->scan not set\n");
return AVERROR_INVALIDDATA;
}
return 0;
}
| 20,315 |
FFmpeg | 323e6fead07c75f418e4b60704a4f437bb3483b2 | 1 | static void scale_coefficients(AC3EncodeContext *s)
{
/* scaling/conversion is obviously not needed for the fixed-point encoder
since the coefficients are already fixed-point. */
return;
}
| 20,316 |
FFmpeg | 29b0d94b43ac960cb442049a5d737a3386ff0337 | 1 | static int decode_dds1(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
const uint8_t *frame_start = frame;
const uint8_t *frame_end = frame + width * height;
int mask = 0x10000, bitbuf = 0;
int i, v, offset, count, segments;
segments = bytestream_get_le16(&src);
while (segments--) {
if (mask == 0x10000) {
if (src >= src_end)
return -1;
bitbuf = bytestream_get_le16(&src);
mask = 1;
}
if (src_end - src < 2 || frame_end - frame < 2)
return -1;
if (bitbuf & mask) {
v = bytestream_get_le16(&src);
offset = (v & 0x1FFF) << 2;
count = ((v >> 13) + 2) << 1;
if (frame - frame_start < offset || frame_end - frame < count*2 + width)
return -1;
for (i = 0; i < count; i++) {
frame[0] = frame[1] =
frame[width] = frame[width + 1] = frame[-offset];
frame += 2;
}
} else if (bitbuf & (mask << 1)) {
frame += bytestream_get_le16(&src) * 2;
} else {
frame[0] = frame[1] =
frame[width] = frame[width + 1] = *src++;
frame += 2;
frame[0] = frame[1] =
frame[width] = frame[width + 1] = *src++;
frame += 2;
}
mask <<= 2;
}
return 0;
}
| 20,317 |
qemu | 7d1b0095bff7157e856d1d0e6c4295641ced2752 | 1 | static void gen_test_cc(int cc, int label)
{
TCGv tmp;
TCGv tmp2;
int inv;
switch (cc) {
case 0: /* eq: Z */
tmp = load_cpu_field(ZF);
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
break;
case 1: /* ne: !Z */
tmp = load_cpu_field(ZF);
tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label);
break;
case 2: /* cs: C */
tmp = load_cpu_field(CF);
tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label);
break;
case 3: /* cc: !C */
tmp = load_cpu_field(CF);
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
break;
case 4: /* mi: N */
tmp = load_cpu_field(NF);
tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
break;
case 5: /* pl: !N */
tmp = load_cpu_field(NF);
tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
break;
case 6: /* vs: V */
tmp = load_cpu_field(VF);
tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
break;
case 7: /* vc: !V */
tmp = load_cpu_field(VF);
tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
break;
case 8: /* hi: C && !Z */
inv = gen_new_label();
tmp = load_cpu_field(CF);
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv);
dead_tmp(tmp);
tmp = load_cpu_field(ZF);
tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label);
gen_set_label(inv);
break;
case 9: /* ls: !C || Z */
tmp = load_cpu_field(CF);
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
dead_tmp(tmp);
tmp = load_cpu_field(ZF);
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
break;
case 10: /* ge: N == V -> N ^ V == 0 */
tmp = load_cpu_field(VF);
tmp2 = load_cpu_field(NF);
tcg_gen_xor_i32(tmp, tmp, tmp2);
dead_tmp(tmp2);
tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
break;
case 11: /* lt: N != V -> N ^ V != 0 */
tmp = load_cpu_field(VF);
tmp2 = load_cpu_field(NF);
tcg_gen_xor_i32(tmp, tmp, tmp2);
dead_tmp(tmp2);
tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
break;
case 12: /* gt: !Z && N == V */
inv = gen_new_label();
tmp = load_cpu_field(ZF);
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv);
dead_tmp(tmp);
tmp = load_cpu_field(VF);
tmp2 = load_cpu_field(NF);
tcg_gen_xor_i32(tmp, tmp, tmp2);
dead_tmp(tmp2);
tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label);
gen_set_label(inv);
break;
case 13: /* le: Z || N != V */
tmp = load_cpu_field(ZF);
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label);
dead_tmp(tmp);
tmp = load_cpu_field(VF);
tmp2 = load_cpu_field(NF);
tcg_gen_xor_i32(tmp, tmp, tmp2);
dead_tmp(tmp2);
tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label);
break;
default:
fprintf(stderr, "Bad condition code 0x%x\n", cc);
abort();
}
dead_tmp(tmp);
}
| 20,318 |
FFmpeg | 6d2df3c00a7899e9c06e3a460d64e4d0ccde0fae | 1 | static int init_input_threads(void)
{
int i, ret;
if (nb_input_files == 1)
return 0;
for (i = 0; i < nb_input_files; i++) {
InputFile *f = input_files[i];
if (f->ctx->pb ? !f->ctx->pb->seekable :
strcmp(f->ctx->iformat->name, "lavfi"))
f->non_blocking = 1;
ret = av_thread_message_queue_alloc(&f->in_thread_queue,
8, sizeof(AVPacket));
if (ret < 0)
return ret;
if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
return AVERROR(ret);
}
return 0;
}
| 20,319 |
FFmpeg | a2f55f22b342202e6925561b9ee0b7ec76e8bcd0 | 0 | static const MXFCodecUL *mxf_get_essence_container_ul(enum CodecID type)
{
const MXFCodecUL *uls = ff_mxf_essence_container_uls;
while (uls->id != CODEC_ID_NONE) {
if (uls->id == type)
break;
uls++;
}
return uls;
}
| 20,322 |
FFmpeg | ac726a4f0cd2fb8619b478af51312a4282215f0e | 0 | static int amovie_request_frame(AVFilterLink *outlink)
{
MovieContext *movie = outlink->src->priv;
int ret;
if (movie->is_done)
return AVERROR_EOF;
do {
if ((ret = amovie_get_samples(outlink)) < 0)
return ret;
} while (!movie->samplesref);
ff_filter_samples(outlink, avfilter_ref_buffer(movie->samplesref, ~0));
avfilter_unref_buffer(movie->samplesref);
movie->samplesref = NULL;
return 0;
}
| 20,323 |
FFmpeg | 7373b3ad043cc3417d80c55ccdb620b08cd271bf | 0 | static av_cold int pcm_decode_init(AVCodecContext *avctx)
{
PCMDecode *s = avctx->priv_data;
int i;
if (avctx->channels <= 0) {
av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n");
return AVERROR(EINVAL);
}
switch (avctx->codec->id) {
case AV_CODEC_ID_PCM_ALAW:
for (i = 0; i < 256; i++)
s->table[i] = alaw2linear(i);
break;
case AV_CODEC_ID_PCM_MULAW:
for (i = 0; i < 256; i++)
s->table[i] = ulaw2linear(i);
break;
default:
break;
}
avctx->sample_fmt = avctx->codec->sample_fmts[0];
if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec->id);
avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
return 0;
}
| 20,324 |
FFmpeg | 710940bec16869ff7e07562f1e103e28a84ca316 | 0 | static av_cold int tta_decode_init(AVCodecContext * avctx)
{
TTAContext *s = avctx->priv_data;
int total_frames;
s->avctx = avctx;
// 30bytes includes TTA1 header
if (avctx->extradata_size < 22)
return AVERROR_INVALIDDATA;
init_get_bits(&s->gb, avctx->extradata, avctx->extradata_size * 8);
if (show_bits_long(&s->gb, 32) == AV_RL32("TTA1"))
{
if (avctx->err_recognition & AV_EF_CRCCHECK) {
s->crc_table = av_crc_get_table(AV_CRC_32_IEEE_LE);
tta_check_crc(s, avctx->extradata, 18);
}
/* signature */
skip_bits_long(&s->gb, 32);
s->format = get_bits(&s->gb, 16);
if (s->format > 2) {
av_log(avctx, AV_LOG_ERROR, "Invalid format\n");
return AVERROR_INVALIDDATA;
}
if (s->format == FORMAT_ENCRYPTED) {
if (!s->pass) {
av_log(avctx, AV_LOG_ERROR, "Missing password for encrypted stream. Please use the -password option\n");
return AVERROR(EINVAL);
}
AV_WL64(s->crc_pass, tta_check_crc64(s->pass));
}
avctx->channels = s->channels = get_bits(&s->gb, 16);
if (s->channels > 1 && s->channels < 9)
avctx->channel_layout = tta_channel_layouts[s->channels-2];
avctx->bits_per_raw_sample = get_bits(&s->gb, 16);
s->bps = (avctx->bits_per_raw_sample + 7) / 8;
avctx->sample_rate = get_bits_long(&s->gb, 32);
s->data_length = get_bits_long(&s->gb, 32);
skip_bits_long(&s->gb, 32); // CRC32 of header
if (s->channels == 0) {
av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
return AVERROR_INVALIDDATA;
} else if (avctx->sample_rate == 0) {
av_log(avctx, AV_LOG_ERROR, "Invalid samplerate\n");
return AVERROR_INVALIDDATA;
}
switch(s->bps) {
case 1: avctx->sample_fmt = AV_SAMPLE_FMT_U8; break;
case 2:
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
break;
case 3:
avctx->sample_fmt = AV_SAMPLE_FMT_S32;
break;
//case 4: avctx->sample_fmt = AV_SAMPLE_FMT_S32; break;
default:
av_log(avctx, AV_LOG_ERROR, "Invalid/unsupported sample format.\n");
return AVERROR_INVALIDDATA;
}
// prevent overflow
if (avctx->sample_rate > 0x7FFFFFu) {
av_log(avctx, AV_LOG_ERROR, "sample_rate too large\n");
return AVERROR(EINVAL);
}
s->frame_length = 256 * avctx->sample_rate / 245;
s->last_frame_length = s->data_length % s->frame_length;
total_frames = s->data_length / s->frame_length +
(s->last_frame_length ? 1 : 0);
av_log(avctx, AV_LOG_DEBUG, "format: %d chans: %d bps: %d rate: %d block: %d\n",
s->format, avctx->channels, avctx->bits_per_coded_sample, avctx->sample_rate,
avctx->block_align);
av_log(avctx, AV_LOG_DEBUG, "data_length: %d frame_length: %d last: %d total: %d\n",
s->data_length, s->frame_length, s->last_frame_length, total_frames);
if(s->frame_length >= UINT_MAX / (s->channels * sizeof(int32_t))){
av_log(avctx, AV_LOG_ERROR, "frame_length too large\n");
return AVERROR_INVALIDDATA;
}
if (s->bps < 3) {
s->decode_buffer = av_mallocz(sizeof(int32_t)*s->frame_length*s->channels);
if (!s->decode_buffer)
return AVERROR(ENOMEM);
} else
s->decode_buffer = NULL;
s->ch_ctx = av_malloc(avctx->channels * sizeof(*s->ch_ctx));
if (!s->ch_ctx) {
av_freep(&s->decode_buffer);
return AVERROR(ENOMEM);
}
} else {
av_log(avctx, AV_LOG_ERROR, "Wrong extradata present\n");
return AVERROR_INVALIDDATA;
}
return 0;
}
| 20,325 |
FFmpeg | 67afcefb35932b420998f6f3fda46c7c85848a3f | 0 | static void vda_h264_uninit(AVCodecContext *avctx)
{
VDAContext *vda = avctx->internal->priv_data;
av_freep(&vda->bitstream);
}
| 20,326 |
qemu | 5be5f9be724d43fbec3d6f955a43bc64a62d55cc | 1 | int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
VhostBackendType backend_type, uint32_t busyloop_timeout)
{
uint64_t features;
int i, r;
hdev->migration_blocker = NULL;
r = vhost_set_backend_type(hdev, backend_type);
assert(r >= 0);
r = hdev->vhost_ops->vhost_backend_init(hdev, opaque);
if (r < 0) {
goto fail;
}
if (used_memslots > hdev->vhost_ops->vhost_backend_memslots_limit(hdev)) {
fprintf(stderr, "vhost backend memory slots limit is less"
" than current number of present memory slots\n");
r = -1;
goto fail;
}
QLIST_INSERT_HEAD(&vhost_devices, hdev, entry);
r = hdev->vhost_ops->vhost_set_owner(hdev);
if (r < 0) {
goto fail;
}
r = hdev->vhost_ops->vhost_get_features(hdev, &features);
if (r < 0) {
goto fail;
}
for (i = 0; i < hdev->nvqs; ++i) {
r = vhost_virtqueue_init(hdev, hdev->vqs + i, hdev->vq_index + i);
if (r < 0) {
goto fail_vq;
}
}
if (busyloop_timeout) {
for (i = 0; i < hdev->nvqs; ++i) {
r = vhost_virtqueue_set_busyloop_timeout(hdev, hdev->vq_index + i,
busyloop_timeout);
if (r < 0) {
goto fail_busyloop;
}
}
}
hdev->features = features;
hdev->memory_listener = (MemoryListener) {
.begin = vhost_begin,
.commit = vhost_commit,
.region_add = vhost_region_add,
.region_del = vhost_region_del,
.region_nop = vhost_region_nop,
.log_start = vhost_log_start,
.log_stop = vhost_log_stop,
.log_sync = vhost_log_sync,
.log_global_start = vhost_log_global_start,
.log_global_stop = vhost_log_global_stop,
.eventfd_add = vhost_eventfd_add,
.eventfd_del = vhost_eventfd_del,
.priority = 10
};
if (hdev->migration_blocker == NULL) {
if (!(hdev->features & (0x1ULL << VHOST_F_LOG_ALL))) {
error_setg(&hdev->migration_blocker,
"Migration disabled: vhost lacks VHOST_F_LOG_ALL feature.");
} else if (!qemu_memfd_check()) {
error_setg(&hdev->migration_blocker,
"Migration disabled: failed to allocate shared memory");
}
}
if (hdev->migration_blocker != NULL) {
migrate_add_blocker(hdev->migration_blocker);
}
hdev->mem = g_malloc0(offsetof(struct vhost_memory, regions));
hdev->n_mem_sections = 0;
hdev->mem_sections = NULL;
hdev->log = NULL;
hdev->log_size = 0;
hdev->log_enabled = false;
hdev->started = false;
hdev->memory_changed = false;
memory_listener_register(&hdev->memory_listener, &address_space_memory);
return 0;
fail_busyloop:
while (--i >= 0) {
vhost_virtqueue_set_busyloop_timeout(hdev, hdev->vq_index + i, 0);
}
i = hdev->nvqs;
fail_vq:
while (--i >= 0) {
vhost_virtqueue_cleanup(hdev->vqs + i);
}
fail:
r = -errno;
hdev->vhost_ops->vhost_backend_cleanup(hdev);
QLIST_REMOVE(hdev, entry);
return r;
}
| 20,329 |
FFmpeg | 8df8a87e3fd5bd0c3dabc676aae8fd84992932dc | 1 | static void cmv_process_header(CmvContext *s, const uint8_t *buf, const uint8_t *buf_end)
{
int pal_start, pal_count, i;
if(buf+16>=buf_end) {
av_log(s->avctx, AV_LOG_WARNING, "truncated header\n");
return;
}
s->width = AV_RL16(&buf[4]);
s->height = AV_RL16(&buf[6]);
if (s->avctx->width!=s->width || s->avctx->height!=s->height)
avcodec_set_dimensions(s->avctx, s->width, s->height);
s->avctx->time_base.num = 1;
s->avctx->time_base.den = AV_RL16(&buf[10]);
pal_start = AV_RL16(&buf[12]);
pal_count = AV_RL16(&buf[14]);
buf += 16;
for (i=pal_start; i<pal_start+pal_count && i<AVPALETTE_COUNT && buf+2<buf_end; i++) {
s->palette[i] = AV_RB24(buf);
buf += 3;
}
}
| 20,330 |
qemu | 81bf96d3d299a7f88bf3e2ece4f795a9949db5f7 | 1 | static int usb_serial_initfn(USBDevice *dev)
{
USBSerialState *s = DO_UPCAST(USBSerialState, dev, dev);
s->dev.speed = USB_SPEED_FULL;
qemu_chr_add_handlers(s->cs, usb_serial_can_read, usb_serial_read,
usb_serial_event, s);
usb_serial_handle_reset(dev);
return 0; | 20,331 |
qemu | 3e305e4a4752f70c0b5c3cf5b43ec957881714f7 | 1 | static ssize_t vnc_client_write_tls(gnutls_session_t *session,
const uint8_t *data,
size_t datalen)
{
ssize_t ret = gnutls_write(*session, data, datalen);
if (ret < 0) {
if (ret == GNUTLS_E_AGAIN) {
errno = EAGAIN;
} else {
errno = EIO;
}
ret = -1;
}
return ret;
}
| 20,332 |
qemu | 95204aa951ceb28eb6d4ce43bce09a58cbad83d8 | 1 | ivshmem_client_handle_server_msg(IvshmemClient *client)
{
IvshmemClientPeer *peer;
long peer_id;
int ret, fd;
ret = ivshmem_client_read_one_msg(client, &peer_id, &fd);
if (ret < 0) {
/* can return a peer or the local client */
peer = ivshmem_client_search_peer(client, peer_id);
/* delete peer */
if (fd == -1) {
if (peer == NULL || peer == &client->local) {
IVSHMEM_CLIENT_DEBUG(client, "receive delete for invalid "
"peer %ld\n", peer_id);
IVSHMEM_CLIENT_DEBUG(client, "delete peer id = %ld\n", peer_id);
ivshmem_client_free_peer(client, peer);
return 0;
/* new peer */
if (peer == NULL) {
peer = g_malloc0(sizeof(*peer));
peer->id = peer_id;
peer->vectors_count = 0;
QTAILQ_INSERT_TAIL(&client->peer_list, peer, next);
IVSHMEM_CLIENT_DEBUG(client, "new peer id = %ld\n", peer_id);
/* new vector */
IVSHMEM_CLIENT_DEBUG(client, " new vector %d (fd=%d) for peer id %ld\n",
peer->vectors_count, fd, peer->id);
peer->vectors[peer->vectors_count] = fd;
peer->vectors_count++;
return 0; | 20,333 |
FFmpeg | 9487fb4dea3498eb4711eb023f43199f68701b1e | 1 | yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2],
const int16_t *ubuf[2], const int16_t *vbuf[2],
const int16_t *abuf[2], uint8_t *dest, int dstW,
int yalpha, int uvalpha, int y,
enum PixelFormat target)
{
const int16_t *buf0 = buf[0], *buf1 = buf[1],
*ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
*vbuf0 = vbuf[0], *vbuf1 = vbuf[1];
int yalpha1 = 4095 - yalpha;
int uvalpha1 = 4095 - uvalpha;
int i;
for (i = 0; i < (dstW >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
output_pixels(i * 4, Y1, U, Y2, V);
}
} | 20,334 |
FFmpeg | cba92a2226151abf0e3c24ed594e127203d485b8 | 1 | static int vobsub_read_packet(AVFormatContext *s, AVPacket *pkt)
{
MpegDemuxContext *vobsub = s->priv_data;
FFDemuxSubtitlesQueue *q;
AVIOContext *pb = vobsub->sub_ctx->pb;
int ret, psize, total_read = 0, i;
AVPacket idx_pkt;
int64_t min_ts = INT64_MAX;
int sid = 0;
for (i = 0; i < s->nb_streams; i++) {
FFDemuxSubtitlesQueue *tmpq = &vobsub->q[i];
int64_t ts = tmpq->subs[tmpq->current_sub_idx].pts;
if (ts < min_ts) {
min_ts = ts;
sid = i;
}
}
q = &vobsub->q[sid];
ret = ff_subtitles_queue_read_packet(q, &idx_pkt);
if (ret < 0)
return ret;
/* compute maximum packet size using the next packet position. This is
* useful when the len in the header is non-sense */
if (q->current_sub_idx < q->nb_subs) {
psize = q->subs[q->current_sub_idx].pos - idx_pkt.pos;
} else {
int64_t fsize = avio_size(pb);
psize = fsize < 0 ? 0xffff : fsize - idx_pkt.pos;
}
avio_seek(pb, idx_pkt.pos, SEEK_SET);
av_init_packet(pkt);
pkt->size = 0;
pkt->data = NULL;
do {
int n, to_read, startcode;
int64_t pts, dts;
int64_t old_pos = avio_tell(pb), new_pos;
int pkt_size;
ret = mpegps_read_pes_header(vobsub->sub_ctx, NULL, &startcode, &pts, &dts);
if (ret < 0) {
if (pkt->size) // raise packet even if incomplete
break;
goto fail;
}
to_read = ret & 0xffff;
new_pos = avio_tell(pb);
pkt_size = ret + (new_pos - old_pos);
/* this prevents reads above the current packet */
if (total_read + pkt_size > psize)
break;
total_read += pkt_size;
/* the current chunk doesn't match the stream index (unlikely) */
if ((startcode & 0x1f) != idx_pkt.stream_index)
break;
ret = av_grow_packet(pkt, to_read);
if (ret < 0)
goto fail;
n = avio_read(pb, pkt->data + (pkt->size - to_read), to_read);
if (n < to_read)
pkt->size -= to_read - n;
} while (total_read < psize);
pkt->pts = pkt->dts = idx_pkt.pts;
pkt->pos = idx_pkt.pos;
pkt->stream_index = idx_pkt.stream_index;
av_free_packet(&idx_pkt);
return 0;
fail:
av_free_packet(pkt);
av_free_packet(&idx_pkt);
return ret;
}
| 20,335 |
FFmpeg | 47f1596ecef3304f20be1be2dc6978989334608f | 1 | static int dxtory_decode_v1_410(AVCodecContext *avctx, AVFrame *pic,
const uint8_t *src, int src_size)
{
int h, w;
uint8_t *Y1, *Y2, *Y3, *Y4, *U, *V;
int ret;
if (src_size < avctx->width * avctx->height * 9L / 8) {
av_log(avctx, AV_LOG_ERROR, "packet too small\n");
return AVERROR_INVALIDDATA;
}
avctx->pix_fmt = AV_PIX_FMT_YUV410P;
if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)
return ret;
Y1 = pic->data[0];
Y2 = pic->data[0] + pic->linesize[0];
Y3 = pic->data[0] + pic->linesize[0] * 2;
Y4 = pic->data[0] + pic->linesize[0] * 3;
U = pic->data[1];
V = pic->data[2];
for (h = 0; h < avctx->height; h += 4) {
for (w = 0; w < avctx->width; w += 4) {
AV_COPY32(Y1 + w, src);
AV_COPY32(Y2 + w, src + 4);
AV_COPY32(Y3 + w, src + 8);
AV_COPY32(Y4 + w, src + 12);
U[w >> 2] = src[16] + 0x80;
V[w >> 2] = src[17] + 0x80;
src += 18;
}
Y1 += pic->linesize[0] << 2;
Y2 += pic->linesize[0] << 2;
Y3 += pic->linesize[0] << 2;
Y4 += pic->linesize[0] << 2;
U += pic->linesize[1];
V += pic->linesize[2];
}
return 0;
}
| 20,336 |
FFmpeg | a417d041f03d725b0e159136e063538f0cee786a | 0 | static void dnxhd_decode_dct_block(DNXHDContext *ctx, DCTELEM *block, int n, int qscale)
{
int i, j, index, index2;
int level, component, sign;
const uint8_t *weigth_matrix;
if (n&2) {
component = 1 + (n&1);
weigth_matrix = ctx->cid_table->chroma_weigth;
} else {
component = 0;
weigth_matrix = ctx->cid_table->luma_weigth;
}
ctx->last_dc[component] += dnxhd_decode_dc(ctx);
block[0] = ctx->last_dc[component];
//av_log(ctx->avctx, AV_LOG_DEBUG, "dc %d\n", block[0]);
for (i = 1; ; i++) {
index = get_vlc2(&ctx->gb, ctx->ac_vlc.table, DNXHD_VLC_BITS, 2);
//av_log(ctx->avctx, AV_LOG_DEBUG, "index %d\n", index);
level = ctx->cid_table->ac_level[index];
if (!level) { /* EOB */
//av_log(ctx->avctx, AV_LOG_DEBUG, "EOB\n");
return;
}
sign = get_sbits(&ctx->gb, 1);
if (ctx->cid_table->ac_index_flag[index]) {
level += get_bits(&ctx->gb, ctx->cid_table->index_bits)<<6;
}
if (ctx->cid_table->ac_run_flag[index]) {
index2 = get_vlc2(&ctx->gb, ctx->run_vlc.table, DNXHD_VLC_BITS, 2);
i += ctx->cid_table->run[index2];
}
j = ctx->scantable.permutated[i];
//av_log(ctx->avctx, AV_LOG_DEBUG, "j %d\n", j);
//av_log(ctx->avctx, AV_LOG_DEBUG, "level %d, weigth %d\n", level, weigth_matrix[i]);
level = (2*level+1) * qscale * weigth_matrix[i];
if (weigth_matrix[i] != 32) // FIXME 10bit
level += 32;
level >>= 6;
level = (level^sign) - sign;
if (i > 63) {
av_log(ctx->avctx, AV_LOG_ERROR, "ac tex damaged %d, %d\n", n, i);
return;
}
//av_log(NULL, AV_LOG_DEBUG, "i %d, j %d, end level %d\n", i, j, level);
block[j] = level;
}
}
| 20,337 |
FFmpeg | 29ba091136a5e04574f7bfc1b17536c923958f6f | 0 | const char *avutil_configuration(void)
{
return FFMPEG_CONFIGURATION;
}
| 20,339 |
qemu | efec3dd631d94160288392721a5f9c39e50fb2bc | 1 | static void i8042_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = i8042_realizefn;
dc->no_user = 1;
dc->vmsd = &vmstate_kbd_isa;
}
| 20,340 |
FFmpeg | fed92adbb3fc6cbf735e3df9a2f7d0a2917fcfbd | 1 | int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt, int is_vp7)
{
VP8Context *s = avctx->priv_data;
int ret, i, referenced, num_jobs;
enum AVDiscard skip_thresh;
VP8Frame *av_uninit(curframe), *prev_frame;
if (is_vp7)
ret = vp7_decode_frame_header(s, avpkt->data, avpkt->size);
else
ret = vp8_decode_frame_header(s, avpkt->data, avpkt->size);
if (ret < 0)
goto err;
prev_frame = s->framep[VP56_FRAME_CURRENT];
referenced = s->update_last || s->update_golden == VP56_FRAME_CURRENT ||
s->update_altref == VP56_FRAME_CURRENT;
skip_thresh = !referenced ? AVDISCARD_NONREF
: !s->keyframe ? AVDISCARD_NONKEY
: AVDISCARD_ALL;
if (avctx->skip_frame >= skip_thresh) {
s->invisible = 1;
memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
goto skip_decode;
}
s->deblock_filter = s->filter.level && avctx->skip_loop_filter < skip_thresh;
// release no longer referenced frames
for (i = 0; i < 5; i++)
if (s->frames[i].tf.f->data[0] &&
&s->frames[i] != prev_frame &&
&s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] &&
&s->frames[i] != s->framep[VP56_FRAME_GOLDEN] &&
&s->frames[i] != s->framep[VP56_FRAME_GOLDEN2])
vp8_release_frame(s, &s->frames[i]);
curframe = s->framep[VP56_FRAME_CURRENT] = vp8_find_free_buffer(s);
if (!s->colorspace)
avctx->colorspace = AVCOL_SPC_BT470BG;
if (s->fullrange)
avctx->color_range = AVCOL_RANGE_JPEG;
else
avctx->color_range = AVCOL_RANGE_MPEG;
/* Given that arithmetic probabilities are updated every frame, it's quite
* likely that the values we have on a random interframe are complete
* junk if we didn't start decode on a keyframe. So just don't display
* anything rather than junk. */
if (!s->keyframe && (!s->framep[VP56_FRAME_PREVIOUS] ||
!s->framep[VP56_FRAME_GOLDEN] ||
!s->framep[VP56_FRAME_GOLDEN2])) {
av_log(avctx, AV_LOG_WARNING,
"Discarding interframe without a prior keyframe!\n");
ret = AVERROR_INVALIDDATA;
goto err;
}
curframe->tf.f->key_frame = s->keyframe;
curframe->tf.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I
: AV_PICTURE_TYPE_P;
if ((ret = vp8_alloc_frame(s, curframe, referenced)) < 0)
goto err;
// check if golden and altref are swapped
if (s->update_altref != VP56_FRAME_NONE)
s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[s->update_altref];
else
s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[VP56_FRAME_GOLDEN2];
if (s->update_golden != VP56_FRAME_NONE)
s->next_framep[VP56_FRAME_GOLDEN] = s->framep[s->update_golden];
else
s->next_framep[VP56_FRAME_GOLDEN] = s->framep[VP56_FRAME_GOLDEN];
if (s->update_last)
s->next_framep[VP56_FRAME_PREVIOUS] = curframe;
else
s->next_framep[VP56_FRAME_PREVIOUS] = s->framep[VP56_FRAME_PREVIOUS];
s->next_framep[VP56_FRAME_CURRENT] = curframe;
if (avctx->codec->update_thread_context)
ff_thread_finish_setup(avctx);
s->linesize = curframe->tf.f->linesize[0];
s->uvlinesize = curframe->tf.f->linesize[1];
memset(s->top_nnz, 0, s->mb_width * sizeof(*s->top_nnz));
/* Zero macroblock structures for top/top-left prediction
* from outside the frame. */
if (!s->mb_layout)
memset(s->macroblocks + s->mb_height * 2 - 1, 0,
(s->mb_width + 1) * sizeof(*s->macroblocks));
if (!s->mb_layout && s->keyframe)
memset(s->intra4x4_pred_mode_top, DC_PRED, s->mb_width * 4);
memset(s->ref_count, 0, sizeof(s->ref_count));
if (s->mb_layout == 1) {
// Make sure the previous frame has read its segmentation map,
// if we re-use the same map.
if (prev_frame && s->segmentation.enabled &&
!s->segmentation.update_map)
ff_thread_await_progress(&prev_frame->tf, 1, 0);
if (is_vp7)
vp7_decode_mv_mb_modes(avctx, curframe, prev_frame);
else
vp8_decode_mv_mb_modes(avctx, curframe, prev_frame);
}
if (avctx->active_thread_type == FF_THREAD_FRAME)
num_jobs = 1;
else
num_jobs = FFMIN(s->num_coeff_partitions, avctx->thread_count);
s->num_jobs = num_jobs;
s->curframe = curframe;
s->prev_frame = prev_frame;
s->mv_min.y = -MARGIN;
s->mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
for (i = 0; i < MAX_THREADS; i++) {
VP8ThreadData *td = &s->thread_data[i];
atomic_init(&td->thread_mb_pos, 0);
atomic_init(&td->wait_mb_pos, INT_MAX);
}
if (is_vp7)
avctx->execute2(avctx, vp7_decode_mb_row_sliced, s->thread_data, NULL,
num_jobs);
else
avctx->execute2(avctx, vp8_decode_mb_row_sliced, s->thread_data, NULL,
num_jobs);
ff_thread_report_progress(&curframe->tf, INT_MAX, 0);
memcpy(&s->framep[0], &s->next_framep[0], sizeof(s->framep[0]) * 4);
skip_decode:
// if future frames don't use the updated probabilities,
// reset them to the values we saved
if (!s->update_probabilities)
s->prob[0] = s->prob[1];
if (!s->invisible) {
if ((ret = av_frame_ref(data, curframe->tf.f)) < 0)
return ret;
*got_frame = 1;
}
return avpkt->size;
err:
memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
return ret;
}
| 20,341 |
FFmpeg | e211e255aa399d68239ffa42c9cc7a52eb3d55a9 | 1 | void ff_bink_idct_put_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int i;
DCTELEM temp[64];
for (i = 0; i < 8; i++)
bink_idct_col(&temp[i], &block[i]);
for (i = 0; i < 8; i++) {
IDCT_ROW( (&dest[i*linesize]), (&temp[8*i]) );
}
}
| 20,342 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | static void qemu_rdma_signal_unregister(RDMAContext *rdma, uint64_t index,
uint64_t chunk, uint64_t wr_id)
{
if (rdma->unregistrations[rdma->unregister_next] != 0) {
fprintf(stderr, "rdma migration: queue is full!\n");
} else {
RDMALocalBlock *block = &(rdma->local_ram_blocks.block[index]);
if (!test_and_set_bit(chunk, block->unregister_bitmap)) {
DDPRINTF("Appending unregister chunk %" PRIu64
" at position %d\n", chunk, rdma->unregister_next);
rdma->unregistrations[rdma->unregister_next++] =
qemu_rdma_make_wrid(wr_id, index, chunk);
if (rdma->unregister_next == RDMA_SIGNALED_SEND_MAX) {
rdma->unregister_next = 0;
}
} else {
DDPRINTF("Unregister chunk %" PRIu64 " already in queue.\n",
chunk);
}
}
}
| 20,343 |
qemu | fff39a7ad09da07ef490de05c92c91f22f8002f2 | 1 | static void v9fs_unlinkat(void *opaque)
{
int err = 0;
V9fsString name;
int32_t dfid, flags;
size_t offset = 7;
V9fsPath path;
V9fsFidState *dfidp;
V9fsPDU *pdu = opaque;
v9fs_string_init(&name);
err = pdu_unmarshal(pdu, offset, "dsd", &dfid, &name, &flags);
if (err < 0) {
dfidp = get_fid(pdu, dfid);
if (dfidp == NULL) {
err = -EINVAL;
/*
* IF the file is unlinked, we cannot reopen
* the file later. So don't reclaim fd
*/
v9fs_path_init(&path);
err = v9fs_co_name_to_path(pdu, &dfidp->path, name.data, &path);
if (err < 0) {
goto out_err;
err = v9fs_mark_fids_unreclaim(pdu, &path);
if (err < 0) {
goto out_err;
err = v9fs_co_unlinkat(pdu, &dfidp->path, &name, flags);
if (!err) {
err = offset;
out_err:
put_fid(pdu, dfidp);
v9fs_path_free(&path);
out_nofid:
pdu_complete(pdu, err);
v9fs_string_free(&name); | 20,344 |
qemu | 768a9ebe188bd0a6172a9a4e64777d21fff7f014 | 1 | static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str)
{
uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
unsigned int slot, fn, n;
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
fn = 0;
if (sscanf(str, "%x%n", &slot, &n) != 1) {
return -EINVAL;
}
}
if (str[n] != '\0')
return -EINVAL;
if (fn > 7)
return -EINVAL;
if (slot > 31)
return -EINVAL;
*ptr = slot << 3 | fn;
return 0;
}
| 20,346 |
FFmpeg | c898431ca5ef2a997fe9388b650f658fb60783e5 | 1 | static int nsv_read_header(AVFormatContext *s)
{
NSVContext *nsv = s->priv_data;
int i, err;
av_dlog(s, "%s()\n", __FUNCTION__);
av_dlog(s, "filename '%s'\n", s->filename);
nsv->state = NSV_UNSYNC;
nsv->ahead[0].data = nsv->ahead[1].data = NULL;
for (i = 0; i < NSV_MAX_RESYNC_TRIES; i++) {
if (nsv_resync(s) < 0)
return -1;
if (nsv->state == NSV_FOUND_NSVF)
err = nsv_parse_NSVf_header(s);
/* we need the first NSVs also... */
if (nsv->state == NSV_FOUND_NSVS) {
err = nsv_parse_NSVs_header(s);
break; /* we just want the first one */
}
}
if (s->nb_streams < 1) /* no luck so far */
return -1;
/* now read the first chunk, so we can attempt to decode more info */
err = nsv_read_chunk(s, 1);
av_dlog(s, "parsed header\n");
return err;
}
| 20,347 |
qemu | 36be0929f53260cb9b1e2720c7c22f6b5fb5910f | 1 | static void cd_read_sector_cb(void *opaque, int ret)
{
IDEState *s = opaque;
block_acct_done(blk_get_stats(s->blk), &s->acct);
#ifdef DEBUG_IDE_ATAPI
printf("cd_read_sector_cb: lba=%d ret=%d\n", s->lba, ret);
#endif
if (ret < 0) {
ide_atapi_io_error(s, ret);
return;
}
if (s->cd_sector_size == 2352) {
cd_data_to_raw(s->io_buffer, s->lba);
}
s->lba++;
s->io_buffer_index = 0;
s->status &= ~BUSY_STAT;
ide_atapi_cmd_reply_end(s);
}
| 20,348 |
qemu | 7364dbdabb7824d5bde1e341bb6d928282f01c83 | 1 | static void vnc_tls_handshake_done(QIOTask *task,
gpointer user_data)
{
VncState *vs = user_data;
Error *err = NULL;
if (qio_task_propagate_error(task, &err)) {
VNC_DEBUG("Handshake failed %s\n",
error_get_pretty(err));
vnc_client_error(vs);
error_free(err);
} else {
vs->ioc_tag = qio_channel_add_watch(
vs->ioc, G_IO_IN | G_IO_OUT, vnc_client_io, vs, NULL);
start_auth_vencrypt_subauth(vs);
}
}
| 20,349 |
FFmpeg | 08797c599df5371909f6924d732b654f8892cc91 | 0 | static int get_best_header(FLACParseContext* fpc, const uint8_t **poutbuf,
int *poutbuf_size)
{
FLACHeaderMarker *header = fpc->best_header;
FLACHeaderMarker *child = header->best_child;
if (!child) {
*poutbuf_size = av_fifo_size(fpc->fifo_buf) - header->offset;
} else {
*poutbuf_size = child->offset - header->offset;
/* If the child has suspicious changes, log them */
check_header_mismatch(fpc, header, child, 0);
}
if (header->fi.channels != fpc->avctx->channels ||
(!fpc->avctx->channel_layout && header->fi.channels <= 6)) {
fpc->avctx->channels = header->fi.channels;
ff_flac_set_channel_layout(fpc->avctx);
}
fpc->avctx->sample_rate = header->fi.samplerate;
fpc->pc->duration = header->fi.blocksize;
*poutbuf = flac_fifo_read_wrap(fpc, header->offset, *poutbuf_size,
&fpc->wrap_buf,
&fpc->wrap_buf_allocated_size);
fpc->best_header_valid = 0;
/* Return the negative overread index so the client can compute pos.
This should be the amount overread to the beginning of the child */
if (child)
return child->offset - av_fifo_size(fpc->fifo_buf);
return 0;
}
| 20,350 |
FFmpeg | dd6c8575dbc8d3ff5dc2ffacb5028c253066ff78 | 0 | static int decode_packet(int *got_frame, int cached)
{
int ret = 0;
int decoded = pkt.size;
*got_frame = 0;
if (pkt.stream_index == video_stream_idx) {
/* decode video frame */
ret = avcodec_decode_video2(video_dec_ctx, frame, got_frame, &pkt);
if (ret < 0) {
fprintf(stderr, "Error decoding video frame (%s)\n", av_err2str(ret));
return ret;
}
if (video_dec_ctx->width != width || video_dec_ctx->height != height ||
video_dec_ctx->pix_fmt != pix_fmt) {
/* To handle this change, one could call av_image_alloc again and
* decode the following frames into another rawvideo file. */
fprintf(stderr, "Error: Width, height and pixel format have to be "
"constant in a rawvideo file, but the width, height or "
"pixel format of the input video changed:\n"
"old: width = %d, height = %d, format = %s\n"
"new: width = %d, height = %d, format = %s\n",
width, height, av_get_pix_fmt_name(pix_fmt),
video_dec_ctx->width, video_dec_ctx->height,
av_get_pix_fmt_name(video_dec_ctx->pix_fmt));
return -1;
}
if (*got_frame) {
printf("video_frame%s n:%d coded_n:%d pts:%s\n",
cached ? "(cached)" : "",
video_frame_count++, frame->coded_picture_number,
av_ts2timestr(frame->pts, &video_dec_ctx->time_base));
/* copy decoded frame to destination buffer:
* this is required since rawvideo expects non aligned data */
av_image_copy(video_dst_data, video_dst_linesize,
(const uint8_t **)(frame->data), frame->linesize,
pix_fmt, width, height);
/* write to rawvideo file */
fwrite(video_dst_data[0], 1, video_dst_bufsize, video_dst_file);
}
} else if (pkt.stream_index == audio_stream_idx) {
/* decode audio frame */
ret = avcodec_decode_audio4(audio_dec_ctx, frame, got_frame, &pkt);
if (ret < 0) {
fprintf(stderr, "Error decoding audio frame (%s)\n", av_err2str(ret));
return ret;
}
/* Some audio decoders decode only part of the packet, and have to be
* called again with the remainder of the packet data.
* Sample: fate-suite/lossless-audio/luckynight-partial.shn
* Also, some decoders might over-read the packet. */
decoded = FFMIN(ret, pkt.size);
if (*got_frame) {
size_t unpadded_linesize = frame->nb_samples * av_get_bytes_per_sample(frame->format);
printf("audio_frame%s n:%d nb_samples:%d pts:%s\n",
cached ? "(cached)" : "",
audio_frame_count++, frame->nb_samples,
av_ts2timestr(frame->pts, &audio_dec_ctx->time_base));
/* Write the raw audio data samples of the first plane. This works
* fine for packed formats (e.g. AV_SAMPLE_FMT_S16). However,
* most audio decoders output planar audio, which uses a separate
* plane of audio samples for each channel (e.g. AV_SAMPLE_FMT_S16P).
* In other words, this code will write only the first audio channel
* in these cases.
* You should use libswresample or libavfilter to convert the frame
* to packed data. */
fwrite(frame->extended_data[0], 1, unpadded_linesize, audio_dst_file);
}
}
/* If we use the new API with reference counting, we own the data and need
* to de-reference it when we don't use it anymore */
if (*got_frame && api_mode == API_MODE_NEW_API_REF_COUNT)
av_frame_unref(frame);
return decoded;
}
| 20,351 |
FFmpeg | 0105ed551cb9610c62b6920a301125781e1161a0 | 0 | void ff_avg_h264_qpel16_mc00_msa(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
avg_width16_msa(src, stride, dst, stride, 16);
}
| 20,353 |
FFmpeg | 38d7cc22f7782de2e7aca8eda2c2c2996f7f5700 | 0 | static inline int init_pfa_reindex_tabs(MDCT15Context *s)
{
int i, j;
const int b_ptwo = s->ptwo_fft.nbits; /* Bits for the power of two FFTs */
const int l_ptwo = 1 << b_ptwo; /* Total length for the power of two FFTs */
const int inv_1 = l_ptwo << ((4 - b_ptwo) & 3); /* (2^b_ptwo)^-1 mod 15 */
const int inv_2 = 0xeeeeeeef & ((1U << b_ptwo) - 1); /* 15^-1 mod 2^b_ptwo */
s->pfa_prereindex = av_malloc(15 * l_ptwo * sizeof(*s->pfa_prereindex));
if (!s->pfa_prereindex)
return 1;
s->pfa_postreindex = av_malloc(15 * l_ptwo * sizeof(*s->pfa_postreindex));
if (!s->pfa_postreindex)
return 1;
/* Pre/Post-reindex */
for (i = 0; i < l_ptwo; i++) {
for (j = 0; j < 15; j++) {
const int q_pre = ((l_ptwo * j)/15 + i) >> b_ptwo;
const int q_post = (((j*inv_1)/15) + (i*inv_2)) >> b_ptwo;
const int k_pre = 15*i + ((j - q_pre*15) << b_ptwo);
const int k_post = i*inv_2*15 + j*inv_1 - 15*q_post*l_ptwo;
s->pfa_prereindex[i*15 + j] = k_pre;
s->pfa_postreindex[k_post] = l_ptwo*j + i;
}
}
return 0;
}
| 20,354 |
FFmpeg | 0c1959b056f6ccaa2eee2c824352ba93c8e36d52 | 0 | static void mxf_write_identification(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
AVIOContext *pb = s->pb;
const char *company = "Libav";
const char *product = "OP1a Muxer";
const char *version;
int length;
mxf_write_metadata_key(pb, 0x013000);
PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
version = s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT ?
"0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
length = 84 + (strlen(company)+strlen(product)+strlen(version))*2; // utf-16
klv_encode_ber_length(pb, length);
// write uid
mxf_write_local_tag(pb, 16, 0x3C0A);
mxf_write_uuid(pb, Identification, 0);
PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
// write generation uid
mxf_write_local_tag(pb, 16, 0x3C09);
mxf_write_uuid(pb, Identification, 1);
mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
// write product uid
mxf_write_local_tag(pb, 16, 0x3C05);
mxf_write_uuid(pb, Identification, 2);
// modification date
mxf_write_local_tag(pb, 8, 0x3C06);
avio_wb64(pb, mxf->timestamp);
}
| 20,355 |
qemu | b3db211f3c80bb996a704d665fe275619f728bd4 | 0 | static void test_visitor_out_native_list_uint32(TestOutputVisitorData *data,
const void *unused)
{
test_native_list(data, unused, USER_DEF_NATIVE_LIST_UNION_KIND_U32);
}
| 20,356 |
qemu | 85c34e9395a97e49def6697537417ead2077c096 | 0 | static void ahci_test_identify(AHCIQState *ahci)
{
RegD2HFIS *d2h = g_malloc0(0x20);
RegD2HFIS *pio = g_malloc0(0x20);
RegH2DFIS fis;
AHCICommandHeader cmd;
PRD prd;
uint32_t reg, data_ptr;
uint16_t buff[256];
unsigned i;
int rc;
uint8_t cx;
uint64_t table;
g_assert(ahci != NULL);
/* We need to:
* (1) Create a Command Table Buffer and update the Command List Slot #0
* to point to this buffer.
* (2) Construct an FIS host-to-device command structure, and write it to
* the top of the command table buffer.
* (3) Create a data buffer for the IDENTIFY response to be sent to
* (4) Create a Physical Region Descriptor that points to the data buffer,
* and write it to the bottom (offset 0x80) of the command table.
* (5) Now, PxCLB points to the command list, command 0 points to
* our table, and our table contains an FIS instruction and a
* PRD that points to our rx buffer.
* (6) We inform the HBA via PxCI that there is a command ready in slot #0.
*/
/* Pick the first implemented and running port */
i = ahci_port_select(ahci);
g_test_message("Selected port %u for test", i);
/* Clear out the FIS Receive area and any pending interrupts. */
ahci_port_clear(ahci, i);
/* Create a Command Table buffer. 0x80 is the smallest with a PRDTL of 0. */
/* We need at least one PRD, so round up to the nearest 0x80 multiple. */
table = ahci_alloc(ahci, CMD_TBL_SIZ(1));
g_assert(table);
ASSERT_BIT_CLEAR(table, 0x7F);
/* Create a data buffer ... where we will dump the IDENTIFY data to. */
data_ptr = ahci_alloc(ahci, 512);
g_assert(data_ptr);
/* pick a command slot (should be 0!) */
cx = ahci_pick_cmd(ahci, i);
/* Construct our Command Header (set_command_header handles endianness.) */
memset(&cmd, 0x00, sizeof(cmd));
cmd.flags = 5; /* reg_h2d_fis is 5 double-words long */
cmd.flags |= 0x400; /* clear PxTFD.STS.BSY when done */
cmd.prdtl = 1; /* One PRD table entry. */
cmd.prdbc = 0;
cmd.ctba = table;
/* Construct our PRD, noting that DBC is 0-indexed. */
prd.dba = cpu_to_le64(data_ptr);
prd.res = 0;
/* 511+1 bytes, request DPS interrupt */
prd.dbc = cpu_to_le32(511 | 0x80000000);
/* Construct our Command FIS, Based on http://wiki.osdev.org/AHCI */
memset(&fis, 0x00, sizeof(fis));
fis.fis_type = 0x27; /* Register Host-to-Device FIS */
fis.command = 0xEC; /* IDENTIFY */
fis.device = 0;
fis.flags = 0x80; /* Indicate this is a command FIS */
/* We've committed nothing yet, no interrupts should be posted yet. */
g_assert_cmphex(ahci_px_rreg(ahci, i, AHCI_PX_IS), ==, 0);
/* Commit the Command FIS to the Command Table */
memwrite(table, &fis, sizeof(fis));
/* Commit the PRD entry to the Command Table */
memwrite(table + 0x80, &prd, sizeof(prd));
/* Commit Command #cx, pointing to the Table, to the Command List Buffer. */
ahci_set_command_header(ahci, i, cx, &cmd);
/* Everything is in place, but we haven't given the go-ahead yet,
* so we should find that there are no pending interrupts yet. */
g_assert_cmphex(ahci_px_rreg(ahci, i, AHCI_PX_IS), ==, 0);
/* Issue Command #cx via PxCI */
ahci_px_wreg(ahci, i, AHCI_PX_CI, (1 << cx));
while (BITSET(ahci_px_rreg(ahci, i, AHCI_PX_TFD), AHCI_PX_TFD_STS_BSY)) {
usleep(50);
}
/* Check for expected interrupts */
reg = ahci_px_rreg(ahci, i, AHCI_PX_IS);
ASSERT_BIT_SET(reg, AHCI_PX_IS_DHRS);
ASSERT_BIT_SET(reg, AHCI_PX_IS_PSS);
/* BUG: we expect AHCI_PX_IS_DPS to be set. */
ASSERT_BIT_CLEAR(reg, AHCI_PX_IS_DPS);
/* Clear expected interrupts and assert all interrupts now cleared. */
ahci_px_wreg(ahci, i, AHCI_PX_IS,
AHCI_PX_IS_DHRS | AHCI_PX_IS_PSS | AHCI_PX_IS_DPS);
g_assert_cmphex(ahci_px_rreg(ahci, i, AHCI_PX_IS), ==, 0);
/* Check for errors. */
reg = ahci_px_rreg(ahci, i, AHCI_PX_SERR);
g_assert_cmphex(reg, ==, 0);
reg = ahci_px_rreg(ahci, i, AHCI_PX_TFD);
ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_STS_ERR);
ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_ERR);
/* Investigate the CMD, assert that we read 512 bytes */
ahci_get_command_header(ahci, i, cx, &cmd);
g_assert_cmphex(512, ==, cmd.prdbc);
/* Investigate FIS responses */
memread(ahci->port[i].fb + 0x20, pio, 0x20);
memread(ahci->port[i].fb + 0x40, d2h, 0x20);
g_assert_cmphex(pio->fis_type, ==, 0x5f);
g_assert_cmphex(d2h->fis_type, ==, 0x34);
g_assert_cmphex(pio->flags, ==, d2h->flags);
g_assert_cmphex(pio->status, ==, d2h->status);
g_assert_cmphex(pio->error, ==, d2h->error);
reg = ahci_px_rreg(ahci, i, AHCI_PX_TFD);
g_assert_cmphex((reg & AHCI_PX_TFD_ERR), ==, pio->error);
g_assert_cmphex((reg & AHCI_PX_TFD_STS), ==, pio->status);
/* The PIO Setup FIS contains a "bytes read" field, which is a
* 16-bit value. The Physical Region Descriptor Byte Count is
* 32-bit, but for small transfers using one PRD, it should match. */
g_assert_cmphex(le16_to_cpu(pio->res4), ==, cmd.prdbc);
/* Last, but not least: Investigate the IDENTIFY response data. */
memread(data_ptr, &buff, 512);
/* Check serial number/version in the buffer */
/* NB: IDENTIFY strings are packed in 16bit little endian chunks.
* Since we copy byte-for-byte in ahci-test, on both LE and BE, we need to
* unchunk this data. By contrast, ide-test copies 2 bytes at a time, and
* as a consequence, only needs to unchunk the data on LE machines. */
string_bswap16(&buff[10], 20);
rc = memcmp(&buff[10], "testdisk ", 20);
g_assert_cmphex(rc, ==, 0);
string_bswap16(&buff[23], 8);
rc = memcmp(&buff[23], "version ", 8);
g_assert_cmphex(rc, ==, 0);
g_free(d2h);
g_free(pio);
}
| 20,357 |
FFmpeg | e30a28468794efdfa8fcadf54ef14ff39736166b | 0 | void opt_output_file(const char *filename)
{
AVStream *st;
AVFormatContext *oc;
int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
int codec_id;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = av_mallocz(sizeof(AVFormatContext));
if (!file_format) {
file_format = guess_format(NULL, filename, NULL);
if (!file_format)
file_format = &mpeg_mux_format;
}
oc->format = file_format;
if (!strcmp(file_format->name, "ffm") &&
strstart(filename, "http:", NULL)) {
/* special case for files sent to ffserver: we get the stream
parameters from ffserver */
if (read_ffserver_streams(oc, filename) < 0) {
fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
exit(1);
}
} else {
use_video = file_format->video_codec != CODEC_ID_NONE;
use_audio = file_format->audio_codec != CODEC_ID_NONE;
/* disable if no corresponding type found */
check_audio_video_inputs(&input_has_video, &input_has_audio);
if (!input_has_video)
use_video = 0;
if (!input_has_audio)
use_audio = 0;
/* manual disable */
if (audio_disable) {
use_audio = 0;
}
if (video_disable) {
use_video = 0;
}
nb_streams = 0;
if (use_video) {
AVCodecContext *video_enc;
st = av_mallocz(sizeof(AVStream));
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
exit(1);
}
video_enc = &st->codec;
codec_id = file_format->video_codec;
if (video_codec_id != CODEC_ID_NONE)
codec_id = video_codec_id;
video_enc->codec_id = codec_id;
video_enc->codec_type = CODEC_TYPE_VIDEO;
video_enc->bit_rate = video_bit_rate;
video_enc->frame_rate = frame_rate;
video_enc->width = frame_width;
video_enc->height = frame_height;
if (!intra_only)
video_enc->gop_size = gop_size;
else
video_enc->gop_size = 0;
if (video_qscale || same_quality) {
video_enc->flags |= CODEC_FLAG_QSCALE;
video_enc->quality = video_qscale;
}
/* XXX: need to find a way to set codec parameters */
if (oc->format == &ppm_format ||
oc->format == &ppmpipe_format) {
video_enc->pix_fmt = PIX_FMT_RGB24;
}
oc->streams[nb_streams] = st;
nb_streams++;
}
if (use_audio) {
AVCodecContext *audio_enc;
st = av_mallocz(sizeof(AVStream));
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
exit(1);
}
audio_enc = &st->codec;
codec_id = file_format->audio_codec;
if (audio_codec_id != CODEC_ID_NONE)
codec_id = audio_codec_id;
audio_enc->codec_id = codec_id;
audio_enc->codec_type = CODEC_TYPE_AUDIO;
audio_enc->bit_rate = audio_bit_rate;
audio_enc->sample_rate = audio_sample_rate;
audio_enc->channels = audio_channels;
oc->streams[nb_streams] = st;
nb_streams++;
}
oc->nb_streams = nb_streams;
if (!nb_streams) {
fprintf(stderr, "No audio or video streams available\n");
exit(1);
}
if (str_title)
nstrcpy(oc->title, sizeof(oc->title), str_title);
if (str_author)
nstrcpy(oc->author, sizeof(oc->author), str_author);
if (str_copyright)
nstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
if (str_comment)
nstrcpy(oc->comment, sizeof(oc->comment), str_comment);
}
output_files[nb_output_files] = oc;
/* dump the file content */
dump_format(oc, nb_output_files, filename, 1);
nb_output_files++;
strcpy(oc->filename, filename);
/* check filename in case of an image number is expected */
if (oc->format->flags & AVFMT_NEEDNUMBER) {
if (filename_number_test(oc->filename) < 0)
exit(1);
}
if (!(oc->format->flags & AVFMT_NOFILE)) {
/* test if it already exists to avoid loosing precious files */
if (!file_overwrite &&
(strchr(filename, ':') == NULL ||
strstart(filename, "file:", NULL))) {
if (url_exist(filename)) {
int c;
printf("File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stdout);
c = getchar();
if (toupper(c) != 'Y') {
fprintf(stderr, "Not overwriting - exiting\n");
exit(1);
}
}
}
/* open the file */
if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
fprintf(stderr, "Could not open '%s'\n", filename);
exit(1);
}
}
/* reset some options */
file_format = NULL;
audio_disable = 0;
video_disable = 0;
audio_codec_id = CODEC_ID_NONE;
video_codec_id = CODEC_ID_NONE;
}
| 20,358 |
qemu | cd1ba7de230b3a85fb4dba53bb681b7ea626b4eb | 0 | int xen_hvm_init(void)
{
int i, rc;
unsigned long ioreq_pfn;
XenIOState *state;
state = g_malloc0(sizeof (XenIOState));
state->xce_handle = xen_xc_evtchn_open(NULL, 0);
if (state->xce_handle == XC_HANDLER_INITIAL_VALUE) {
perror("xen: event channel open");
return -errno;
}
state->xenstore = xs_daemon_open();
if (state->xenstore == NULL) {
perror("xen: xenstore open");
return -errno;
}
state->exit.notify = xen_exit_notifier;
qemu_add_exit_notifier(&state->exit);
state->suspend.notify = xen_suspend_notifier;
qemu_register_suspend_notifier(&state->suspend);
xc_get_hvm_param(xen_xc, xen_domid, HVM_PARAM_IOREQ_PFN, &ioreq_pfn);
DPRINTF("shared page at pfn %lx\n", ioreq_pfn);
state->shared_page = xc_map_foreign_range(xen_xc, xen_domid, XC_PAGE_SIZE,
PROT_READ|PROT_WRITE, ioreq_pfn);
if (state->shared_page == NULL) {
hw_error("map shared IO page returned error %d handle=" XC_INTERFACE_FMT,
errno, xen_xc);
}
xc_get_hvm_param(xen_xc, xen_domid, HVM_PARAM_BUFIOREQ_PFN, &ioreq_pfn);
DPRINTF("buffered io page at pfn %lx\n", ioreq_pfn);
state->buffered_io_page = xc_map_foreign_range(xen_xc, xen_domid, XC_PAGE_SIZE,
PROT_READ|PROT_WRITE, ioreq_pfn);
if (state->buffered_io_page == NULL) {
hw_error("map buffered IO page returned error %d", errno);
}
state->ioreq_local_port = g_malloc0(smp_cpus * sizeof (evtchn_port_t));
/* FIXME: how about if we overflow the page here? */
for (i = 0; i < smp_cpus; i++) {
rc = xc_evtchn_bind_interdomain(state->xce_handle, xen_domid,
xen_vcpu_eport(state->shared_page, i));
if (rc == -1) {
fprintf(stderr, "bind interdomain ioctl error %d\n", errno);
return -1;
}
state->ioreq_local_port[i] = rc;
}
/* Init RAM management */
xen_map_cache_init();
xen_ram_init(ram_size);
qemu_add_vm_change_state_handler(xen_hvm_change_state_handler, state);
state->memory_listener = xen_memory_listener;
QLIST_INIT(&state->physmap);
memory_listener_register(&state->memory_listener);
state->log_for_dirtybit = NULL;
/* Initialize backend core & drivers */
if (xen_be_init() != 0) {
fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__);
exit(1);
}
xen_be_register("console", &xen_console_ops);
xen_be_register("vkbd", &xen_kbdmouse_ops);
xen_be_register("qdisk", &xen_blkdev_ops);
xen_read_physmap(state);
return 0;
}
| 20,359 |
qemu | e3f5ec2b5e92706e3b807059f79b1fb5d936e567 | 0 | static void nic_receive(void *opaque, const uint8_t * buf, size_t size)
{
/* TODO:
* - Magic packets should set bit 30 in power management driver register.
* - Interesting packets should set bit 29 in power management driver register.
*/
EEPRO100State *s = opaque;
uint16_t rfd_status = 0xa000;
static const uint8_t broadcast_macaddr[6] =
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
/* TODO: check multiple IA bit. */
assert(!(s->configuration[20] & BIT(6)));
if (s->configuration[8] & 0x80) {
/* CSMA is disabled. */
logout("%p received while CSMA is disabled\n", s);
return;
} else if (size < 64 && (s->configuration[7] & 1)) {
/* Short frame and configuration byte 7/0 (discard short receive) set:
* Short frame is discarded */
logout("%p received short frame (%d byte)\n", s, size);
s->statistics.rx_short_frame_errors++;
//~ return;
} else if ((size > MAX_ETH_FRAME_SIZE + 4) && !(s->configuration[18] & 8)) {
/* Long frame and configuration byte 18/3 (long receive ok) not set:
* Long frames are discarded. */
logout("%p received long frame (%d byte), ignored\n", s, size);
return;
} else if (memcmp(buf, s->macaddr, 6) == 0) { // !!!
/* Frame matches individual address. */
/* TODO: check configuration byte 15/4 (ignore U/L). */
logout("%p received frame for me, len=%d\n", s, size);
} else if (memcmp(buf, broadcast_macaddr, 6) == 0) {
/* Broadcast frame. */
logout("%p received broadcast, len=%d\n", s, size);
rfd_status |= 0x0002;
} else if (buf[0] & 0x01) { // !!!
/* Multicast frame. */
logout("%p received multicast, len=%d\n", s, size);
/* TODO: check multicast all bit. */
assert(!(s->configuration[21] & BIT(3)));
int mcast_idx = compute_mcast_idx(buf);
if (!(s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7)))) {
return;
}
rfd_status |= 0x0002;
} else if (s->configuration[15] & 1) {
/* Promiscuous: receive all. */
logout("%p received frame in promiscuous mode, len=%d\n", s, size);
rfd_status |= 0x0004;
} else {
logout("%p received frame, ignored, len=%d,%s\n", s, size,
nic_dump(buf, size));
return;
}
if (get_ru_state(s) != ru_ready) {
/* No ressources available. */
logout("no ressources, state=%u\n", get_ru_state(s));
s->statistics.rx_resource_errors++;
//~ assert(!"no ressources");
return;
}
//~ !!!
//~ $3 = {status = 0x0, command = 0xc000, link = 0x2d220, rx_buf_addr = 0x207dc, count = 0x0, size = 0x5f8, packet = {0x0 <repeats 1518 times>}}
eepro100_rx_t rx;
cpu_physical_memory_read(s->ru_base + s->ru_offset, (uint8_t *) & rx,
offsetof(eepro100_rx_t, packet));
uint16_t rfd_command = le16_to_cpu(rx.command);
uint16_t rfd_size = le16_to_cpu(rx.size);
assert(size <= rfd_size);
if (size < 64) {
rfd_status |= 0x0080;
}
logout("command 0x%04x, link 0x%08x, addr 0x%08x, size %u\n", rfd_command,
rx.link, rx.rx_buf_addr, rfd_size);
stw_phys(s->ru_base + s->ru_offset + offsetof(eepro100_rx_t, status),
rfd_status);
stw_phys(s->ru_base + s->ru_offset + offsetof(eepro100_rx_t, count), size);
/* Early receive interrupt not supported. */
//~ eepro100_er_interrupt(s);
/* Receive CRC Transfer not supported. */
assert(!(s->configuration[18] & 4));
/* TODO: check stripping enable bit. */
//~ assert(!(s->configuration[17] & 1));
cpu_physical_memory_write(s->ru_base + s->ru_offset +
offsetof(eepro100_rx_t, packet), buf, size);
s->statistics.rx_good_frames++;
eepro100_fr_interrupt(s);
s->ru_offset = le32_to_cpu(rx.link);
if (rfd_command & 0x8000) {
/* EL bit is set, so this was the last frame. */
assert(0);
}
if (rfd_command & 0x4000) {
/* S bit is set. */
set_ru_state(s, ru_suspended);
}
}
| 20,360 |
qemu | bec1631100323fac0900aea71043d5c4e22fc2fa | 0 | static inline void tcg_out_brcond(TCGContext *s, TCGCond cond, TCGReg arg1,
TCGReg arg2, int label_index, int cmp4)
{
TCGLabel *l = &s->labels[label_index];
uint64_t imm;
/* We pay attention here to not modify the branch target by reading
the existing value and using it again. This ensure that caches and
memory are kept coherent during retranslation. */
if (l->has_value) {
imm = l->u.value_ptr - s->code_ptr;
} else {
imm = get_reloc_pcrel21b_slot2(s->code_ptr);
tcg_out_reloc(s, s->code_ptr, R_IA64_PCREL21B, label_index, 0);
}
tcg_out_bundle(s, miB,
INSN_NOP_M,
tcg_opc_cmp_a(TCG_REG_P0, cond, arg1, arg2, cmp4),
tcg_opc_b1(TCG_REG_P6, OPC_BR_DPTK_FEW_B1, imm));
}
| 20,361 |
qemu | f37f29d31488fe36354e59b2fdc4fae83b2cf763 | 0 | static int handle_buffered_iopage(XenIOState *state)
{
buffered_iopage_t *buf_page = state->buffered_io_page;
buf_ioreq_t *buf_req = NULL;
ioreq_t req;
int qw;
if (!buf_page) {
return 0;
}
memset(&req, 0x00, sizeof(req));
for (;;) {
uint32_t rdptr = buf_page->read_pointer, wrptr;
xen_rmb();
wrptr = buf_page->write_pointer;
xen_rmb();
if (rdptr != buf_page->read_pointer) {
continue;
}
if (rdptr == wrptr) {
break;
}
buf_req = &buf_page->buf_ioreq[rdptr % IOREQ_BUFFER_SLOT_NUM];
req.size = 1UL << buf_req->size;
req.count = 1;
req.addr = buf_req->addr;
req.data = buf_req->data;
req.state = STATE_IOREQ_READY;
req.dir = buf_req->dir;
req.df = 1;
req.type = buf_req->type;
req.data_is_ptr = 0;
xen_rmb();
qw = (req.size == 8);
if (qw) {
if (rdptr + 1 == wrptr) {
hw_error("Incomplete quad word buffered ioreq");
}
buf_req = &buf_page->buf_ioreq[(rdptr + 1) %
IOREQ_BUFFER_SLOT_NUM];
req.data |= ((uint64_t)buf_req->data) << 32;
xen_rmb();
}
handle_ioreq(state, &req);
atomic_add(&buf_page->read_pointer, qw + 1);
}
return req.count;
}
| 20,362 |
qemu | d1b4259f1ab18af24e6a297edb6a8f71691f3256 | 0 | void virtio_bus_device_plugged(VirtIODevice *vdev, Error **errp)
{
DeviceState *qdev = DEVICE(vdev);
BusState *qbus = BUS(qdev_get_parent_bus(qdev));
VirtioBusState *bus = VIRTIO_BUS(qbus);
VirtioBusClass *klass = VIRTIO_BUS_GET_CLASS(bus);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
DPRINTF("%s: plug device.\n", qbus->name);
if (klass->device_plugged != NULL) {
klass->device_plugged(qbus->parent, errp);
}
/* Get the features of the plugged device. */
assert(vdc->get_features != NULL);
vdev->host_features = vdc->get_features(vdev, vdev->host_features,
errp);
if (klass->post_plugged != NULL) {
klass->post_plugged(qbus->parent, errp);
}
}
| 20,363 |
qemu | c2b38b277a7882a592f4f2ec955084b2b756daaa | 0 | GSource *aio_get_g_source(AioContext *ctx)
{
g_source_ref(&ctx->source);
return &ctx->source;
}
| 20,364 |
FFmpeg | 5fd7a9fcdf472e957b0c2f453f13d7f33e07a4a5 | 0 | static int decode_frame_mp3on4(AVCodecContext * avctx,
void *data, int *data_size,
const uint8_t * buf, int buf_size)
{
MP3On4DecodeContext *s = avctx->priv_data;
MPADecodeContext *m;
int len, out_size = 0;
uint32_t header;
OUT_INT *out_samples = data;
OUT_INT decoded_buf[MPA_FRAME_SIZE * MPA_MAX_CHANNELS];
OUT_INT *outptr, *bp;
int fsize;
int fr, i, j, n;
len = buf_size;
*data_size = 0;
// Discard too short frames
if (buf_size < HEADER_SIZE)
return -1;
// If only one decoder interleave is not needed
outptr = s->frames == 1 ? out_samples : decoded_buf;
for (fr = 0; fr < s->frames; fr++) {
fsize = AV_RB16(buf) >> 4;
fsize = FFMIN3(fsize, len, MPA_MAX_CODED_FRAME_SIZE);
m = s->mp3decctx[fr];
assert (m != NULL);
header = (AV_RB32(buf) & 0x000fffff) | s->syncword; // patch header
if (ff_mpa_check_header(header) < 0) { // Bad header, discard block
*data_size = 0;
return buf_size;
}
ff_mpegaudio_decode_header(m, header);
out_size += mp_decode_frame(m, outptr, buf, fsize);
buf += fsize;
len -= fsize;
if(s->frames > 1) {
n = m->avctx->frame_size*m->nb_channels;
/* interleave output data */
bp = out_samples + s->coff[fr];
if(m->nb_channels == 1) {
for(j = 0; j < n; j++) {
*bp = decoded_buf[j];
bp += avctx->channels;
}
} else {
for(j = 0; j < n; j++) {
bp[0] = decoded_buf[j++];
bp[1] = decoded_buf[j];
bp += avctx->channels;
}
}
}
}
/* update codec info */
avctx->sample_rate = s->mp3decctx[0]->sample_rate;
avctx->bit_rate = 0;
for (i = 0; i < s->frames; i++)
avctx->bit_rate += s->mp3decctx[i]->bit_rate;
*data_size = out_size;
return buf_size;
}
| 20,369 |
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