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movenc: Rudimentary IODs support.

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This commit is contained in:
Alex Converse 2011-10-04 11:44:25 -07:00
parent dabba0c676
commit d3b8bde2f1
5 changed files with 37 additions and 17 deletions
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39
libavformat/movenc.c
View File

@ -46,6 +46,9 @@ static const AVOption options[] = {
{ "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
{ "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
{ "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
{ "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
{ NULL },
};
@ -1407,21 +1410,34 @@ static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
return updateSize(pb, pos);
}
#if 0
/* TODO: Not sorted out, but not necessary either */
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
{
avio_wb32(pb, 0x15); /* size */
int i, has_audio = 0, has_video = 0;
int64_t pos = avio_tell(pb);
int audio_profile = mov->iods_audio_profile;
int video_profile = mov->iods_video_profile;
for (i = 0; i < mov->nb_streams; i++) {
if(mov->tracks[i].entry > 0) {
has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
}
}
if (audio_profile < 0)
audio_profile = 0xFF - has_audio;
if (video_profile < 0)
video_profile = 0xFF - has_video;
avio_wb32(pb, 0x0); /* size */
ffio_wfourcc(pb, "iods");
avio_wb32(pb, 0); /* version & flags */
avio_wb16(pb, 0x1007);
avio_w8(pb, 0);
avio_wb16(pb, 0x4fff);
avio_wb16(pb, 0xfffe);
avio_wb16(pb, 0x01ff);
return 0x15;
putDescr(pb, 0x10, 7);
avio_wb16(pb, 0x004f);
avio_w8(pb, 0xff);
avio_w8(pb, 0xff);
avio_w8(pb, audio_profile);
avio_w8(pb, video_profile);
avio_w8(pb, 0xff);
return updateSize(pb, pos);
}
#endif
static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
{
@ -1829,7 +1845,8 @@ static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
}
mov_write_mvhd_tag(pb, mov);
//mov_write_iods_tag(pb, mov);
if (mov->mode != MODE_MOV && !mov->iods_skip)
mov_write_iods_tag(pb, mov);
for (i=0; i<mov->nb_streams; i++) {
if(mov->tracks[i].entry > 0) {
mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);

3
libavformat/movenc.h
View File

@ -112,6 +112,9 @@ typedef struct MOVMuxContext {
int flags;
int rtp_flags;
int iods_skip;
int iods_video_profile;
int iods_audio_profile;
} MOVMuxContext;
#define FF_MOV_FLAG_RTP_HINT 1

4
tests/ref/acodec/alac
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@ -1,4 +1,4 @@
b25bcc7ec3f5c19cdfc01a6bbd32edb8 *./tests/data/acodec/alac.m4a
389386 ./tests/data/acodec/alac.m4a
8d9cb7f65c5b17c74e5f9bdc36f32b7d *./tests/data/acodec/alac.m4a
389410 ./tests/data/acodec/alac.m4a
64151e4bcc2b717aa5a8454d424d6a1f *./tests/data/alac.acodec.out.wav
stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400

4
tests/ref/vsynth1/mpeg4
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@ -1,4 +1,4 @@
080e75117f8142001b096cd977ba287e *./tests/data/vsynth1/odivx.mp4
540156 ./tests/data/vsynth1/odivx.mp4
9251145d12150cb639098016d61fc75e *./tests/data/vsynth1/odivx.mp4
540180 ./tests/data/vsynth1/odivx.mp4
8828a375448dc5c2215163ba70656f89 *./tests/data/mpeg4.vsynth1.out.yuv
stddev: 7.97 PSNR: 30.10 MAXDIFF: 105 bytes: 7603200/ 7603200

4
tests/ref/vsynth2/mpeg4
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@ -1,4 +1,4 @@
8ffbe8ce43fe126b12cf9621717d641b *./tests/data/vsynth2/odivx.mp4
119809 ./tests/data/vsynth2/odivx.mp4
c2ca709a0ed64833fd38f703b19e5e85 *./tests/data/vsynth2/odivx.mp4
119833 ./tests/data/vsynth2/odivx.mp4
90a3577850239083a9042bef33c50e85 *./tests/data/mpeg4.vsynth2.out.yuv
stddev: 5.34 PSNR: 33.57 MAXDIFF: 83 bytes: 7603200/ 7603200