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avformat/movenc: properly handle cover image codecs 

Find codec tag for attached images using appropriate list of
supported image formats.

This fixes writing the cover image to m4v/m4a and other container
formats that do not allow these codecs as a track.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Timo Teräs 2018-06-01 02:24:39 +03:00 committed by Michael Niedermayer
parent 4aba45ca1f
commit 12205d2c89
1 changed files with 12 additions and 18 deletions
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30
libavformat/movenc.c
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@ -1557,10 +1557,20 @@ static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
return tag;
}
static const AVCodecTag codec_cover_image_tags[] = {
{ AV_CODEC_ID_MJPEG, 0xD },
{ AV_CODEC_ID_PNG, 0xE },
{ AV_CODEC_ID_BMP, 0x1B },
{ AV_CODEC_ID_NONE, 0 },
};
static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag;
if (track->st->disposition & AV_DISPOSITION_ATTACHED_PIC)
return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
tag = track->par->codec_tag;
else if (track->mode == MODE_ISM)
@ -3429,7 +3439,7 @@ static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
{
MOVMuxContext *mov = s->priv_data;
int64_t pos = 0;
int i, type;
int i;
for (i = 0; i < s->nb_streams; i++) {
MOVTrack *trk = &mov->tracks[i];
@ -3439,22 +3449,6 @@ static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
trk->cover_image.size <= 0)
continue;
switch (st->codecpar->codec_id) {
case AV_CODEC_ID_MJPEG:
type = 0xD;
break;
case AV_CODEC_ID_PNG:
type = 0xE;
break;
case AV_CODEC_ID_BMP:
type = 0x1B;
break;
default:
av_log(s, AV_LOG_ERROR, "unsupported codec_id (0x%x) for cover",
st->codecpar->codec_id);
continue;
}
if (!pos) {
pos = avio_tell(pb);
avio_wb32(pb, 0);
@ -3462,7 +3456,7 @@ static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
}
avio_wb32(pb, 16 + trk->cover_image.size);
ffio_wfourcc(pb, "data");
avio_wb32(pb, type);
avio_wb32(pb, trk->tag);
avio_wb32(pb , 0);
avio_write(pb, trk->cover_image.data, trk->cover_image.size);
}