126     int mode = codec2_mode_from_extradata(st->codecpar->extradata);  in codec2_read_header_common()
128     st->codecpar->codec_type        = AVMEDIA_TYPE_AUDIO;  in codec2_read_header_common()
129     st->codecpar->codec_id          = AV_CODEC_ID_CODEC2;  in codec2_read_header_common()
130     st->codecpar->sample_rate       = 8000;  in codec2_read_header_common()
131     st->codecpar->channels          = 1;  in codec2_read_header_common()
132     st->codecpar->format            = AV_SAMPLE_FMT_S16;  in codec2_read_header_common()
133     st->codecpar->channel_layout    = AV_CH_LAYOUT_MONO;  in codec2_read_header_common()
134     st->codecpar->bit_rate          = codec2_mode_bit_rate(s, mode);  in codec2_read_header_common()
135     st->codecpar->frame_size        = codec2_mode_frame_size(s, mode);  in codec2_read_header_common()
136     st->codecpar->block_align       = codec2_mode_block_align(s, mode);  in codec2_read_header_common()
138     if (st->codecpar->bit_rate <= 0 ||  in codec2_read_header_common()
139         st->codecpar->frame_size <= 0 ||  in codec2_read_header_common()
140         st->codecpar->block_align <= 0) {  in codec2_read_header_common()
144     avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);  in codec2_read_header_common()
163     ret = ff_alloc_extradata(st->codecpar, CODEC2_EXTRADATA_SIZE);  in codec2_read_header()
168     ret = ffio_read_size(s->pb, st->codecpar->extradata, CODEC2_EXTRADATA_SIZE);  in codec2_read_header()
173     version = AV_RB16(st->codecpar->extradata);  in codec2_read_header()
190     block_align = st->codecpar->block_align;  in codec2_read_packet()
191     frame_size  = st->codecpar->frame_size;  in codec2_read_packet()
216     if (s->nb_streams != 1 || s->streams[0]->codecpar->codec_id != AV_CODEC_ID_CODEC2) {  in codec2_write_header()
223     if (st->codecpar->extradata_size != CODEC2_EXTRADATA_SIZE) {  in codec2_write_header()
225                CODEC2_EXTRADATA_SIZE, st->codecpar->extradata_size);  in codec2_write_header()
230     avio_write(s->pb, st->codecpar->extradata, CODEC2_EXTRADATA_SIZE);  in codec2_write_header()
252     ret = ff_alloc_extradata(st->codecpar, CODEC2_EXTRADATA_SIZE);  in codec2raw_read_header()
258     codec2_make_extradata(st->codecpar->extradata, c2->mode);  in codec2raw_read_header()