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movenc: fix remuxing of svq3

This commit is contained in:
Piotr Bandurski 2012-08-05 23:58:10 +02:00 committed by Carl Eugen Hoyos
parent b4780d03d0
commit 5d2f89a23c
2 changed files with 8 additions and 42 deletions
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32
libavformat/mov.c
View File

@ -802,31 +802,6 @@ static int mov_read_mvhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return 0;
}
static int mov_read_smi(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
if (c->fc->nb_streams < 1)
return 0;
st = c->fc->streams[c->fc->nb_streams-1];
if ((uint64_t)atom.size > (1<<30))
return AVERROR_INVALIDDATA;
// currently SVQ3 decoder expect full STSD header - so let's fake it
// this should be fixed and just SMI header should be passed
av_free(st->codec->extradata);
st->codec->extradata_size = 0;
st->codec->extradata = av_mallocz(atom.size + 0x5a + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata)
return AVERROR(ENOMEM);
st->codec->extradata_size = 0x5a + atom.size;
memcpy(st->codec->extradata, "SVQ3", 4); // fake
avio_read(pb, st->codec->extradata + 0x5a, atom.size);
av_dlog(c->fc, "Reading SMI %"PRId64" %s\n", atom.size, st->codec->extradata + 0x5a);
return 0;
}
static int mov_read_enda(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
@ -944,6 +919,11 @@ static int mov_read_avid(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return mov_read_extradata(c, pb, atom, CODEC_ID_AVUI);
}
static int mov_read_svq3(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
return mov_read_extradata(c, pb, atom, CODEC_ID_SVQ3);
}
static int mov_read_wave(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
@ -2577,7 +2557,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = {
{ MKTAG('m','o','o','v'), mov_read_moov },
{ MKTAG('m','v','e','x'), mov_read_default },
{ MKTAG('m','v','h','d'), mov_read_mvhd },
{ MKTAG('S','M','I',' '), mov_read_smi }, /* Sorenson extension ??? */
{ MKTAG('S','M','I',' '), mov_read_svq3 },
{ MKTAG('a','l','a','c'), mov_read_alac }, /* alac specific atom */
{ MKTAG('a','v','c','C'), mov_read_glbl },
{ MKTAG('p','a','s','p'), mov_read_pasp },

18
libavformat/movenc.c
View File

@ -712,19 +712,6 @@ static int mov_write_d263_tag(AVIOContext *pb)
return 0xf;
}
/* TODO: No idea about these values */
static int mov_write_svq3_tag(AVIOContext *pb)
{
avio_wb32(pb, 0x15);
ffio_wfourcc(pb, "SMI ");
ffio_wfourcc(pb, "SEQH");
avio_wb32(pb, 0x5);
avio_wb32(pb, 0xe2c0211d);
avio_wb32(pb, 0xc0000000);
avio_w8(pb, 0);
return 0x15;
}
static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
@ -1071,9 +1058,8 @@ static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
mov_write_esds_tag(pb, track);
else if(track->enc->codec_id == CODEC_ID_H263)
mov_write_d263_tag(pb);
else if(track->enc->codec_id == CODEC_ID_SVQ3)
mov_write_svq3_tag(pb);
else if(track->enc->codec_id == CODEC_ID_AVUI) {
else if(track->enc->codec_id == CODEC_ID_AVUI ||
track->enc->codec_id == CODEC_ID_SVQ3) {
mov_write_extradata_tag(pb, track);
avio_wb32(pb, 0);
} else if(track->enc->codec_id == CODEC_ID_DNXHD)