mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-21 06:50:44 +00:00
12e5116872
This function would otherwise fail to build on the next major bump, as inject_global_side_data is marked for removal. It should also never be needed, as there is now a mechanism for supplying global side data to decoders directly.
361 lines
12 KiB
C
361 lines
12 KiB
C
/*
|
|
* Various utility demuxing functions
|
|
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libavutil/mem.h"
|
|
|
|
#include "libavutil/avassert.h"
|
|
#include "libavcodec/bytestream.h"
|
|
#include "libavcodec/packet_internal.h"
|
|
#include "avformat.h"
|
|
#include "avformat_internal.h"
|
|
#include "avio_internal.h"
|
|
#include "demux.h"
|
|
#include "internal.h"
|
|
|
|
struct AVCodecParserContext *av_stream_get_parser(const AVStream *st)
|
|
{
|
|
return cffstream(st)->parser;
|
|
}
|
|
|
|
void avpriv_stream_set_need_parsing(AVStream *st, enum AVStreamParseType type)
|
|
{
|
|
ffstream(st)->need_parsing = type;
|
|
}
|
|
|
|
AVChapter *avpriv_new_chapter(AVFormatContext *s, int64_t id, AVRational time_base,
|
|
int64_t start, int64_t end, const char *title)
|
|
{
|
|
FormatContextInternal *const fci = ff_fc_internal(s);
|
|
AVChapter *chapter = NULL;
|
|
int ret;
|
|
|
|
if (end != AV_NOPTS_VALUE && start > end) {
|
|
av_log(s, AV_LOG_ERROR, "Chapter end time %"PRId64" before start %"PRId64"\n", end, start);
|
|
return NULL;
|
|
}
|
|
|
|
if (!s->nb_chapters) {
|
|
fci->chapter_ids_monotonic = 1;
|
|
} else if (!fci->chapter_ids_monotonic || s->chapters[s->nb_chapters-1]->id >= id) {
|
|
for (unsigned i = 0; i < s->nb_chapters; i++)
|
|
if (s->chapters[i]->id == id)
|
|
chapter = s->chapters[i];
|
|
if (!chapter)
|
|
fci->chapter_ids_monotonic = 0;
|
|
}
|
|
|
|
if (!chapter) {
|
|
chapter = av_mallocz(sizeof(*chapter));
|
|
if (!chapter)
|
|
return NULL;
|
|
ret = av_dynarray_add_nofree(&s->chapters, &s->nb_chapters, chapter);
|
|
if (ret < 0) {
|
|
av_free(chapter);
|
|
return NULL;
|
|
}
|
|
}
|
|
av_dict_set(&chapter->metadata, "title", title, 0);
|
|
chapter->id = id;
|
|
chapter->time_base = time_base;
|
|
chapter->start = start;
|
|
chapter->end = end;
|
|
|
|
return chapter;
|
|
}
|
|
|
|
#if FF_API_AVSTREAM_SIDE_DATA
|
|
void av_format_inject_global_side_data(AVFormatContext *s)
|
|
{
|
|
FFFormatContext *const si = ffformatcontext(s);
|
|
si->inject_global_side_data = 1;
|
|
for (unsigned i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
ffstream(st)->inject_global_side_data = 1;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
int avformat_queue_attached_pictures(AVFormatContext *s)
|
|
{
|
|
FormatContextInternal *const fci = ff_fc_internal(s);
|
|
int ret;
|
|
for (unsigned i = 0; i < s->nb_streams; i++)
|
|
if (s->streams[i]->disposition & AV_DISPOSITION_ATTACHED_PIC &&
|
|
s->streams[i]->discard < AVDISCARD_ALL) {
|
|
if (s->streams[i]->attached_pic.size <= 0) {
|
|
av_log(s, AV_LOG_WARNING,
|
|
"Attached picture on stream %d has invalid size, "
|
|
"ignoring\n", i);
|
|
continue;
|
|
}
|
|
|
|
ret = avpriv_packet_list_put(&fci->raw_packet_buffer,
|
|
&s->streams[i]->attached_pic,
|
|
av_packet_ref, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int ff_add_attached_pic(AVFormatContext *s, AVStream *st0, AVIOContext *pb,
|
|
AVBufferRef **buf, int size)
|
|
{
|
|
AVStream *st = st0;
|
|
AVPacket *pkt;
|
|
int ret;
|
|
|
|
if (!st && !(st = avformat_new_stream(s, NULL)))
|
|
return AVERROR(ENOMEM);
|
|
pkt = &st->attached_pic;
|
|
if (buf) {
|
|
av_assert1(*buf);
|
|
av_packet_unref(pkt);
|
|
pkt->buf = *buf;
|
|
pkt->data = (*buf)->data;
|
|
pkt->size = (*buf)->size - AV_INPUT_BUFFER_PADDING_SIZE;
|
|
*buf = NULL;
|
|
} else {
|
|
ret = av_get_packet(pb, pkt, size);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
st->disposition |= AV_DISPOSITION_ATTACHED_PIC;
|
|
st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
|
|
|
|
pkt->stream_index = st->index;
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
|
|
return 0;
|
|
fail:
|
|
if (!st0)
|
|
ff_remove_stream(s, st);
|
|
return ret;
|
|
}
|
|
|
|
int ff_add_param_change(AVPacket *pkt, int32_t channels,
|
|
uint64_t channel_layout, int32_t sample_rate,
|
|
int32_t width, int32_t height)
|
|
{
|
|
uint32_t flags = 0;
|
|
int size = 4;
|
|
uint8_t *data;
|
|
if (!pkt)
|
|
return AVERROR(EINVAL);
|
|
|
|
if (sample_rate) {
|
|
size += 4;
|
|
flags |= AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE;
|
|
}
|
|
if (width || height) {
|
|
size += 8;
|
|
flags |= AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS;
|
|
}
|
|
data = av_packet_new_side_data(pkt, AV_PKT_DATA_PARAM_CHANGE, size);
|
|
if (!data)
|
|
return AVERROR(ENOMEM);
|
|
bytestream_put_le32(&data, flags);
|
|
if (sample_rate)
|
|
bytestream_put_le32(&data, sample_rate);
|
|
if (width || height) {
|
|
bytestream_put_le32(&data, width);
|
|
bytestream_put_le32(&data, height);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int av_read_play(AVFormatContext *s)
|
|
{
|
|
if (ffifmt(s->iformat)->read_play)
|
|
return ffifmt(s->iformat)->read_play(s);
|
|
if (s->pb)
|
|
return avio_pause(s->pb, 0);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
int av_read_pause(AVFormatContext *s)
|
|
{
|
|
if (ffifmt(s->iformat)->read_pause)
|
|
return ffifmt(s->iformat)->read_pause(s);
|
|
if (s->pb)
|
|
return avio_pause(s->pb, 1);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
int ff_generate_avci_extradata(AVStream *st)
|
|
{
|
|
static const uint8_t avci100_1080p_extradata[] = {
|
|
// SPS
|
|
0x00, 0x00, 0x00, 0x01, 0x67, 0x7a, 0x10, 0x29,
|
|
0xb6, 0xd4, 0x20, 0x22, 0x33, 0x19, 0xc6, 0x63,
|
|
0x23, 0x21, 0x01, 0x11, 0x98, 0xce, 0x33, 0x19,
|
|
0x18, 0x21, 0x02, 0x56, 0xb9, 0x3d, 0x7d, 0x7e,
|
|
0x4f, 0xe3, 0x3f, 0x11, 0xf1, 0x9e, 0x08, 0xb8,
|
|
0x8c, 0x54, 0x43, 0xc0, 0x78, 0x02, 0x27, 0xe2,
|
|
0x70, 0x1e, 0x30, 0x10, 0x10, 0x14, 0x00, 0x00,
|
|
0x03, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0xca,
|
|
0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
// PPS
|
|
0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x33, 0x48,
|
|
0xd0
|
|
};
|
|
static const uint8_t avci100_1080i_extradata[] = {
|
|
// SPS
|
|
0x00, 0x00, 0x00, 0x01, 0x67, 0x7a, 0x10, 0x29,
|
|
0xb6, 0xd4, 0x20, 0x22, 0x33, 0x19, 0xc6, 0x63,
|
|
0x23, 0x21, 0x01, 0x11, 0x98, 0xce, 0x33, 0x19,
|
|
0x18, 0x21, 0x03, 0x3a, 0x46, 0x65, 0x6a, 0x65,
|
|
0x24, 0xad, 0xe9, 0x12, 0x32, 0x14, 0x1a, 0x26,
|
|
0x34, 0xad, 0xa4, 0x41, 0x82, 0x23, 0x01, 0x50,
|
|
0x2b, 0x1a, 0x24, 0x69, 0x48, 0x30, 0x40, 0x2e,
|
|
0x11, 0x12, 0x08, 0xc6, 0x8c, 0x04, 0x41, 0x28,
|
|
0x4c, 0x34, 0xf0, 0x1e, 0x01, 0x13, 0xf2, 0xe0,
|
|
0x3c, 0x60, 0x20, 0x20, 0x28, 0x00, 0x00, 0x03,
|
|
0x00, 0x08, 0x00, 0x00, 0x03, 0x01, 0x94, 0x20,
|
|
// PPS
|
|
0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x33, 0x48,
|
|
0xd0
|
|
};
|
|
static const uint8_t avci50_1080p_extradata[] = {
|
|
// SPS
|
|
0x00, 0x00, 0x00, 0x01, 0x67, 0x6e, 0x10, 0x28,
|
|
0xa6, 0xd4, 0x20, 0x32, 0x33, 0x0c, 0x71, 0x18,
|
|
0x88, 0x62, 0x10, 0x19, 0x19, 0x86, 0x38, 0x8c,
|
|
0x44, 0x30, 0x21, 0x02, 0x56, 0x4e, 0x6f, 0x37,
|
|
0xcd, 0xf9, 0xbf, 0x81, 0x6b, 0xf3, 0x7c, 0xde,
|
|
0x6e, 0x6c, 0xd3, 0x3c, 0x05, 0xa0, 0x22, 0x7e,
|
|
0x5f, 0xfc, 0x00, 0x0c, 0x00, 0x13, 0x8c, 0x04,
|
|
0x04, 0x05, 0x00, 0x00, 0x03, 0x00, 0x01, 0x00,
|
|
0x00, 0x03, 0x00, 0x32, 0x84, 0x00, 0x00, 0x00,
|
|
// PPS
|
|
0x00, 0x00, 0x00, 0x01, 0x68, 0xee, 0x31, 0x12,
|
|
0x11
|
|
};
|
|
static const uint8_t avci50_1080i_extradata[] = {
|
|
// SPS
|
|
0x00, 0x00, 0x00, 0x01, 0x67, 0x6e, 0x10, 0x28,
|
|
0xa6, 0xd4, 0x20, 0x32, 0x33, 0x0c, 0x71, 0x18,
|
|
0x88, 0x62, 0x10, 0x19, 0x19, 0x86, 0x38, 0x8c,
|
|
0x44, 0x30, 0x21, 0x02, 0x56, 0x4e, 0x6e, 0x61,
|
|
0x87, 0x3e, 0x73, 0x4d, 0x98, 0x0c, 0x03, 0x06,
|
|
0x9c, 0x0b, 0x73, 0xe6, 0xc0, 0xb5, 0x18, 0x63,
|
|
0x0d, 0x39, 0xe0, 0x5b, 0x02, 0xd4, 0xc6, 0x19,
|
|
0x1a, 0x79, 0x8c, 0x32, 0x34, 0x24, 0xf0, 0x16,
|
|
0x81, 0x13, 0xf7, 0xff, 0x80, 0x02, 0x00, 0x01,
|
|
0xf1, 0x80, 0x80, 0x80, 0xa0, 0x00, 0x00, 0x03,
|
|
0x00, 0x20, 0x00, 0x00, 0x06, 0x50, 0x80, 0x00,
|
|
// PPS
|
|
0x00, 0x00, 0x00, 0x01, 0x68, 0xee, 0x31, 0x12,
|
|
0x11
|
|
};
|
|
static const uint8_t avci100_720p_extradata[] = {
|
|
// SPS
|
|
0x00, 0x00, 0x00, 0x01, 0x67, 0x7a, 0x10, 0x29,
|
|
0xb6, 0xd4, 0x20, 0x2a, 0x33, 0x1d, 0xc7, 0x62,
|
|
0xa1, 0x08, 0x40, 0x54, 0x66, 0x3b, 0x8e, 0xc5,
|
|
0x42, 0x02, 0x10, 0x25, 0x64, 0x2c, 0x89, 0xe8,
|
|
0x85, 0xe4, 0x21, 0x4b, 0x90, 0x83, 0x06, 0x95,
|
|
0xd1, 0x06, 0x46, 0x97, 0x20, 0xc8, 0xd7, 0x43,
|
|
0x08, 0x11, 0xc2, 0x1e, 0x4c, 0x91, 0x0f, 0x01,
|
|
0x40, 0x16, 0xec, 0x07, 0x8c, 0x04, 0x04, 0x05,
|
|
0x00, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, 0x03,
|
|
0x00, 0x64, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
// PPS
|
|
0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x31, 0x12,
|
|
0x11
|
|
};
|
|
static const uint8_t avci50_720p_extradata[] = {
|
|
// SPS
|
|
0x00, 0x00, 0x00, 0x01, 0x67, 0x6e, 0x10, 0x20,
|
|
0xa6, 0xd4, 0x20, 0x32, 0x33, 0x0c, 0x71, 0x18,
|
|
0x88, 0x62, 0x10, 0x19, 0x19, 0x86, 0x38, 0x8c,
|
|
0x44, 0x30, 0x21, 0x02, 0x56, 0x4e, 0x6f, 0x37,
|
|
0xcd, 0xf9, 0xbf, 0x81, 0x6b, 0xf3, 0x7c, 0xde,
|
|
0x6e, 0x6c, 0xd3, 0x3c, 0x0f, 0x01, 0x6e, 0xff,
|
|
0xc0, 0x00, 0xc0, 0x01, 0x38, 0xc0, 0x40, 0x40,
|
|
0x50, 0x00, 0x00, 0x03, 0x00, 0x10, 0x00, 0x00,
|
|
0x06, 0x48, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
// PPS
|
|
0x00, 0x00, 0x00, 0x01, 0x68, 0xee, 0x31, 0x12,
|
|
0x11
|
|
};
|
|
|
|
const uint8_t *data = NULL;
|
|
int ret, size = 0;
|
|
|
|
if (st->codecpar->width == 1920) {
|
|
if (st->codecpar->field_order == AV_FIELD_PROGRESSIVE) {
|
|
data = avci100_1080p_extradata;
|
|
size = sizeof(avci100_1080p_extradata);
|
|
} else {
|
|
data = avci100_1080i_extradata;
|
|
size = sizeof(avci100_1080i_extradata);
|
|
}
|
|
} else if (st->codecpar->width == 1440) {
|
|
if (st->codecpar->field_order == AV_FIELD_PROGRESSIVE) {
|
|
data = avci50_1080p_extradata;
|
|
size = sizeof(avci50_1080p_extradata);
|
|
} else {
|
|
data = avci50_1080i_extradata;
|
|
size = sizeof(avci50_1080i_extradata);
|
|
}
|
|
} else if (st->codecpar->width == 1280) {
|
|
data = avci100_720p_extradata;
|
|
size = sizeof(avci100_720p_extradata);
|
|
} else if (st->codecpar->width == 960) {
|
|
data = avci50_720p_extradata;
|
|
size = sizeof(avci50_720p_extradata);
|
|
}
|
|
|
|
if (!size)
|
|
return 0;
|
|
|
|
if ((ret = ff_alloc_extradata(st->codecpar, size)) < 0)
|
|
return ret;
|
|
memcpy(st->codecpar->extradata, data, size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_get_extradata(void *logctx, AVCodecParameters *par, AVIOContext *pb, int size)
|
|
{
|
|
int ret = ff_alloc_extradata(par, size);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = ffio_read_size(pb, par->extradata, size);
|
|
if (ret < 0) {
|
|
av_freep(&par->extradata);
|
|
par->extradata_size = 0;
|
|
av_log(logctx, AV_LOG_ERROR, "Failed to read extradata of size %d\n", size);
|
|
return ret;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int ff_find_stream_index(const AVFormatContext *s, int id)
|
|
{
|
|
for (unsigned i = 0; i < s->nb_streams; i++)
|
|
if (s->streams[i]->id == id)
|
|
return i;
|
|
return -1;
|
|
}
|