return 0;
if (os->seq == 0) {
+ int frames_per_packet;
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_SPEEX;
st->codec->sample_rate = AV_RL32(p + 36);
st->codec->channels = AV_RL32(p + 48);
+
+ /* We treat the whole Speex packet as a single frame everywhere Speex
+ is handled in FFmpeg. This avoids the complexities of splitting
+ and joining individual Speex frames, which are not always
+ byte-aligned. */
+ st->codec->frame_size = AV_RL32(p + 56);
+ frames_per_packet = AV_RL32(p + 64);
+ if (frames_per_packet)
+ st->codec->frame_size *= frames_per_packet;
+
st->codec->extradata_size = os->psize;
- st->codec->extradata = av_malloc(st->codec->extradata_size);
+ st->codec->extradata = av_malloc(st->codec->extradata_size
+ + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(st->codec->extradata, p, st->codec->extradata_size);
st->time_base.num = 1;