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Code Issues Releases Activity

Support more AVC-Intra files

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Followup to http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/151321
patch by Reimar and Thomas Mundt fixes some AVC-Intra files from
different tickets.
It does not fix http://samples.ffmpeg.org/ffmpeg-
bugs/trac/ticket524/AVCI50.mov

Authors of this commit are: Reimar and Thomas Mundt
Patch and commit message mostly taken from ffmpeg-devel, mail by Carl
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Reimar Döffinger 2012-09-26 12:13:53 +02:00 committed by Michael Niedermayer
parent def01739c1
commit c5142a95a5
5 changed files with 114 additions and 5 deletions
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5
libavformat/internal.h
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@ -385,4 +385,9 @@ enum AVCodecID ff_get_pcm_codec_id(int bps, int flt, int be, int sflags);
*/
AVRational ff_choose_timebase(AVFormatContext *s, AVStream *st, int min_precission);
/**
* Generate standard extradata for AVC-Intra based on width/height and field order.
*/
void ff_generate_avci_extradata(AVStream *st);
#endif /* AVFORMAT_INTERNAL_H */

1
libavformat/isom.c
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@ -166,6 +166,7 @@ const AVCodecTag ff_codec_movvideo_tags[] = {
{ AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
{ AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
{ AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
{ AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
{ AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
{ AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */

6
libavformat/mov.c
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@ -2251,6 +2251,12 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
#endif
}
// done for ai5q, ai52, ai55, ai1q, ai12 and ai15.
if (!st->codec->extradata_size && st->codec->codec_id == AV_CODEC_ID_H264 &&
st->codec->codec_tag != MKTAG('a', 'v', 'c', '1')) {
ff_generate_avci_extradata(st);
}
switch (st->codec->codec_id) {
#if CONFIG_H261_DECODER
case AV_CODEC_ID_H261:

12
libavformat/mxfdec.c
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@ -1506,11 +1506,6 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
/* TODO: drop PictureEssenceCoding and SoundEssenceCompression, only check EssenceContainer */
codec_ul = mxf_get_codec_ul(ff_mxf_codec_uls, &descriptor->essence_codec_ul);
st->codec->codec_id = (enum AVCodecID)codec_ul->id;
if (descriptor->extradata) {
st->codec->extradata = av_mallocz(descriptor->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (st->codec->extradata)
memcpy(st->codec->extradata, descriptor->extradata, descriptor->extradata_size);
}
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
source_track->intra_only = mxf_is_intra_only(descriptor);
container_ul = mxf_get_codec_ul(mxf_picture_essence_container_uls, essence_container_ul);
@ -1594,6 +1589,13 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
st->need_parsing = AVSTREAM_PARSE_FULL;
}
}
if (descriptor->extradata) {
st->codec->extradata = av_mallocz(descriptor->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (st->codec->extradata)
memcpy(st->codec->extradata, descriptor->extradata, descriptor->extradata_size);
} else if(st->codec->codec_id == CODEC_ID_H264) {
ff_generate_avci_extradata(st);
}
if (st->codec->codec_type != AVMEDIA_TYPE_DATA && (*essence_container_ul)[15] > 0x01) {
/* TODO: decode timestamps */
st->need_parsing = AVSTREAM_PARSE_TIMESTAMPS;

95
libavformat/utils.c
View File

@ -4243,3 +4243,98 @@ int avformat_match_stream_specifier(AVFormatContext *s, AVStream *st,
av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec);
return AVERROR(EINVAL);
}
void 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, 0x00,
// PPS
0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x33, 0x48,
0xd0
};
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, 0x01, 0x80, 0x02,
0x71, 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
};
int size = 0;
const uint8_t *data = 0;
if (st->codec->width == 1920) {
if (st->codec->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->codec->width == 1440) {
data = avci50_1080i_extradata;
size = sizeof(avci50_1080i_extradata);
} else if (st->codec->width == 1280) {
data = avci100_720p_extradata;
size = sizeof(avci100_720p_extradata);
}
if (!size)
return;
av_freep(&st->codec->extradata);
st->codec->extradata_size = 0;
st->codec->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata)
return;
memcpy(st->codec->extradata, data, size);
st->codec->extradata_size = size;
}