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ffmpeg.wasm-core
Commit 237a855c authored by Justin Ruggles's avatar Justin Ruggles
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mov: do not set AVCodecContext.frame_size 

It is not necessary.
parent 97272642
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Showing with 0 additions and 13 deletions
libavformat/mov.c
View file @ 237a855c
......@@ -1406,20 +1406,16 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
// force sample rate for qcelp when not stored in mov
if (st->codec->codec_tag != MKTAG('Q','c','l','p'))
st->codec->sample_rate = 8000;
st->codec->frame_size= 160;
st->codec->channels= 1; /* really needed */
break;
case CODEC_ID_AMR_NB:
st->codec->channels= 1; /* really needed */
/* force sample rate for amr, stsd in 3gp does not store sample rate */
st->codec->sample_rate = 8000;
/* force frame_size, too, samples_per_frame isn't always set properly */
st->codec->frame_size = 160;
break;
case CODEC_ID_AMR_WB:
st->codec->channels = 1;
st->codec->sample_rate = 16000;
st->codec->frame_size = 320;
break;
case CODEC_ID_MP2:
case CODEC_ID_MP3:
......@@ -1429,12 +1425,10 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
case CODEC_ID_GSM:
case CODEC_ID_ADPCM_MS:
case CODEC_ID_ADPCM_IMA_WAV:
st->codec->frame_size = sc->samples_per_frame;
st->codec->block_align = sc->bytes_per_frame;
break;
case CODEC_ID_ALAC:
if (st->codec->extradata_size == 36) {
st->codec->frame_size = AV_RB32(st->codec->extradata+12);
st->codec->channels = AV_RB8 (st->codec->extradata+21);
st->codec->sample_rate = AV_RB32(st->codec->extradata+32);
}
......@@ -1984,13 +1978,6 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
avpriv_set_pts_info(st, 64, 1, sc->time_scale);
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
!st->codec->frame_size && sc->stts_count == 1) {
st->codec->frame_size = av_rescale(sc->stts_data[0].duration,
st->codec->sample_rate, sc->time_scale);
av_dlog(c->fc, "frame size %d\n", st->codec->frame_size);
}
mov_build_index(c, st);
if (sc->dref_id-1 < sc->drefs_count && sc->drefs[sc->dref_id-1].path) {
......
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