53     AVCodecParameters *par = s->streams[0]->codecpar;  in adx_read_packet()  local
59     if (par->channels <= 0) {  in adx_read_packet()
60         av_log(s, AV_LOG_ERROR, "invalid number of channels %d\n", par->channels);  in adx_read_packet()
64     size = BLOCK_SIZE * par->channels;  in adx_read_packet()
82     pkt->duration = size / (BLOCK_SIZE * par->channels);  in adx_read_packet()
83     pkt->pts      = (pkt->pos - c->header_size) / (BLOCK_SIZE * par->channels);  in adx_read_packet()
91     AVCodecParameters *par;  in adx_read_header()  local
96     par = s->streams[0]->codecpar;  in adx_read_header()
103     if ((ret = ff_get_extradata(s, par, s->pb, c->header_size)) < 0)  in adx_read_header()
106     if (par->extradata_size < 12) {  in adx_read_header()
110     par->channels    = AV_RB8 (par->extradata + 7);  in adx_read_header()
111     par->sample_rate = AV_RB32(par->extradata + 8);  in adx_read_header()
113     if (par->channels <= 0) {  in adx_read_header()
114         av_log(s, AV_LOG_ERROR, "invalid number of channels %d\n", par->channels);  in adx_read_header()
118     if (par->sample_rate <= 0) {  in adx_read_header()
119         av_log(s, AV_LOG_ERROR, "Invalid sample rate %d\n", par->sample_rate);  in adx_read_header()
123     par->codec_type  = AVMEDIA_TYPE_AUDIO;  in adx_read_header()
124     par->codec_id    = s->iformat->raw_codec_id;  in adx_read_header()
125     par->bit_rate    = (int64_t)par->sample_rate * par->channels * BLOCK_SIZE * 8LL / BLOCK_SAMPLES;  in adx_read_header()
127     avpriv_set_pts_info(st, 64, BLOCK_SAMPLES, par->sample_rate);  in adx_read_header()