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Code Issues Releases Activity

matroska: add support for V_QUICKTIME track type

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Originally committed as revision 14429 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-07-27 15:11:04 +00:00
parent 18c7be6501
commit f009e36f75
2 changed files with 32 additions and 3 deletions
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10
libavformat/matroskadec.c
View File

@ -31,6 +31,7 @@
#include "avformat.h"
/* For codec_get_id(). */
#include "riff.h"
#include "isom.h"
#include "matroska.h"
#include "libavcodec/mpeg4audio.h"
#include "libavutil/intfloat_readwrite.h"
@ -2550,6 +2551,15 @@ matroska_read_header (AVFormatContext *s,
}
if (!strcmp(track->codec_id, "V_QUICKTIME") &&
(track->codec_priv_size >= 86) &&
(track->codec_priv != NULL)) {
MatroskaVideoTrack *vtrack = (MatroskaVideoTrack *) track;
vtrack->fourcc = AV_RL32(track->codec_priv);
codec_id = codec_get_id(codec_movvideo_tags, vtrack->fourcc);
}
else if (codec_id == CODEC_ID_AAC && !track->codec_priv_size) {
MatroskaAudioTrack *audiotrack = (MatroskaAudioTrack *) track;
int profile = matroska_aac_profile(track->codec_id);

25
libavformat/matroskaenc.c
View File

@ -21,6 +21,7 @@
#include "avformat.h"
#include "riff.h"
#include "isom.h"
#include "matroska.h"
#include "avc.h"
#include "libavutil/md5.h"
@ -467,7 +468,7 @@ static void get_aac_sample_rates(AVFormatContext *s, AVCodecContext *codec, int
}
}
static int mkv_write_codecprivate(AVFormatContext *s, ByteIOContext *pb, AVCodecContext *codec, int native_id)
static int mkv_write_codecprivate(AVFormatContext *s, ByteIOContext *pb, AVCodecContext *codec, int native_id, int qt_id)
{
ByteIOContext *dyn_cp;
uint8_t *codecpriv;
@ -487,6 +488,12 @@ static int mkv_write_codecprivate(AVFormatContext *s, ByteIOContext *pb, AVCodec
else if (codec->extradata_size)
put_buffer(dyn_cp, codec->extradata, codec->extradata_size);
} else if (codec->codec_type == CODEC_TYPE_VIDEO) {
if (qt_id) {
if (!codec->codec_tag)
codec->codec_tag = codec_get_tag(codec_movvideo_tags, codec->codec_id);
if (codec->extradata_size)
put_buffer(dyn_cp, codec->extradata, codec->extradata_size);
} else {
if (!codec->codec_tag)
codec->codec_tag = codec_get_tag(codec_bmp_tags, codec->codec_id);
if (!codec->codec_tag) {
@ -495,6 +502,7 @@ static int mkv_write_codecprivate(AVFormatContext *s, ByteIOContext *pb, AVCodec
}
put_bmp_header(dyn_cp, codec, codec_bmp_tags, 0);
}
} else if (codec->codec_type == CODEC_TYPE_AUDIO) {
if (!codec->codec_tag)
@ -530,6 +538,7 @@ static int mkv_write_tracks(AVFormatContext *s)
AVCodecContext *codec = st->codec;
ebml_master subinfo, track;
int native_id = 0;
int qt_id = 0;
int bit_depth = av_get_bits_per_sample(codec->codec_id);
int sample_rate = codec->sample_rate;
int output_sample_rate = 0;
@ -566,7 +575,17 @@ static int mkv_write_tracks(AVFormatContext *s)
case CODEC_TYPE_VIDEO:
put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO);
if (!native_id)
if (!native_id &&
codec_get_tag(codec_movvideo_tags, codec->codec_id) &&
(!codec_get_tag(codec_bmp_tags, codec->codec_id)
|| codec->codec_id == CODEC_ID_SVQ1
|| codec->codec_id == CODEC_ID_SVQ3
|| codec->codec_id == CODEC_ID_CINEPAK))
qt_id = 1;
if (qt_id)
put_ebml_string(pb, MATROSKA_ID_CODECID, "V_QUICKTIME");
else if (!native_id)
// if there is no mkv-specific codec ID, use VFW mode
put_ebml_string(pb, MATROSKA_ID_CODECID, MATROSKA_CODEC_ID_VIDEO_VFW_FOURCC);
@ -607,7 +626,7 @@ static int mkv_write_tracks(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "Only audio, video, and subtitles are supported for Matroska.");
break;
}
ret = mkv_write_codecprivate(s, pb, codec, native_id);
ret = mkv_write_codecprivate(s, pb, codec, native_id, qt_id);
if (ret < 0) return ret;
end_ebml_master(pb, track);