diff options
| -rw-r--r-- | libavformat/movenc.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c index b8e45760ee..7db2e28840 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -4798,28 +4798,40 @@ static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track) static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov) { - int64_t pos = avio_tell(pb); - int i; + AVIOContext *mfra_pb; + int i, ret, sz; + uint8_t *buf; - avio_wb32(pb, 0); /* size placeholder */ - ffio_wfourcc(pb, "mfra"); + ret = avio_open_dyn_buf(&mfra_pb); + if (ret < 0) + return ret; + + avio_wb32(mfra_pb, 0); /* size placeholder */ + ffio_wfourcc(mfra_pb, "mfra"); /* An empty mfra atom is enough to indicate to the publishing point that * the stream has ended. */ if (mov->flags & FF_MOV_FLAG_ISML) - return update_size(pb, pos); + goto done_mfra; for (i = 0; i < mov->nb_streams; i++) { MOVTrack *track = &mov->tracks[i]; if (track->nb_frag_info) - mov_write_tfra_tag(pb, track); + mov_write_tfra_tag(mfra_pb, track); } - avio_wb32(pb, 16); - ffio_wfourcc(pb, "mfro"); - avio_wb32(pb, 0); /* version + flags */ - avio_wb32(pb, avio_tell(pb) + 4 - pos); + avio_wb32(mfra_pb, 16); + ffio_wfourcc(mfra_pb, "mfro"); + avio_wb32(mfra_pb, 0); /* version + flags */ + avio_wb32(mfra_pb, avio_tell(mfra_pb) + 4); - return update_size(pb, pos); +done_mfra: + + sz = update_size(mfra_pb, 0); + ret = avio_get_dyn_buf(mfra_pb, &buf); + avio_write(pb, buf, ret); + ffio_free_dyn_buf(&mfra_pb); + + return sz; } static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov) @@ -6987,7 +6999,9 @@ static int mov_write_trailer(AVFormatContext *s) } if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) { avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER); - mov_write_mfra_tag(pb, mov); + res = mov_write_mfra_tag(pb, mov); + if (res < 0) + return res; } } |