104     CDXLDemuxContext *cdxl = s->priv_data;  in cdxl_read_header()  local
106     cdxl->read_chunk         =  0;  in cdxl_read_header()
107     cdxl->video_stream_index = -1;  in cdxl_read_header()
108     cdxl->audio_stream_index = -1;  in cdxl_read_header()
110     cdxl->filesize = avio_size(s->pb);  in cdxl_read_header()
119     CDXLDemuxContext *cdxl = s->priv_data;  in cdxl_read_packet()  local
128     if (!cdxl->read_chunk) {  in cdxl_read_packet()
129         cdxl->pos = avio_tell(pb);  in cdxl_read_packet()
130         if (avio_read(pb, cdxl->header, CDXL_HEADER_SIZE) != CDXL_HEADER_SIZE)  in cdxl_read_packet()
133     if (cdxl->header[0] > 1) {  in cdxl_read_packet()
138     type         = cdxl->header[0];  in cdxl_read_packet()
139     channels     = 1 + !!(cdxl->header[1] & 0x10);  in cdxl_read_packet()
140     format       = cdxl->header[1] & 0xE0;  in cdxl_read_packet()
141     current_size = AV_RB32(&cdxl->header[2]);  in cdxl_read_packet()
142     width        = AV_RB16(&cdxl->header[14]);  in cdxl_read_packet()
143     height       = AV_RB16(&cdxl->header[16]);  in cdxl_read_packet()
144     palette_size = AV_RB16(&cdxl->header[20]);  in cdxl_read_packet()
145     audio_size   = AV_RB16(&cdxl->header[22]) * channels;  in cdxl_read_packet()
146     cdxl->srate  = AV_RB16(&cdxl->header[24]);  in cdxl_read_packet()
147     if (!cdxl->srate && audio_size)  in cdxl_read_packet()
148         cdxl->srate = cdxl->sample_rate;  in cdxl_read_packet()
149     cdxl->frate.num = cdxl->header[26];  in cdxl_read_packet()
150     cdxl->frate.den = 1;  in cdxl_read_packet()
151     if (cdxl->header[19] == 0 ||  in cdxl_read_packet()
152         FFALIGN(width, 16) * (uint64_t)height * cdxl->header[19] > INT_MAX)  in cdxl_read_packet()
155         image_size = width * height * cdxl->header[19] / 8;  in cdxl_read_packet()
157         image_size = FFALIGN(width, 16) * height * cdxl->header[19] / 8;  in cdxl_read_packet()
166     if (!cdxl->frate.num && audio_size && cdxl->srate > 0) {  in cdxl_read_packet()
167         cdxl->frate = (AVRational){ cdxl->srate, audio_size };  in cdxl_read_packet()
168     } else if (!cdxl->frate.num) {  in cdxl_read_packet()
169         cdxl->frate = cdxl->frame_rate;  in cdxl_read_packet()
172     if (cdxl->read_chunk && audio_size) {  in cdxl_read_packet()
173         if (cdxl->audio_stream_index == -1) {  in cdxl_read_packet()
183             st->codecpar->sample_rate= cdxl->srate;  in cdxl_read_packet()
185             cdxl->audio_stream_index = st->index;  in cdxl_read_packet()
186             avpriv_set_pts_info(st, 64, 1, cdxl->srate);  in cdxl_read_packet()
187             if (current_size && cdxl->filesize > 0 && audio_size > 0)  in cdxl_read_packet()
188                 st->duration = (cdxl->filesize / current_size) * audio_size / channels;  in cdxl_read_packet()
194         pkt->stream_index = cdxl->audio_stream_index;  in cdxl_read_packet()
195         pkt->pos          = cdxl->pos;  in cdxl_read_packet()
197         cdxl->read_chunk  = 0;  in cdxl_read_packet()
199         if (cdxl->video_stream_index == -1) {  in cdxl_read_packet()
210             if (current_size && cdxl->filesize > 0)  in cdxl_read_packet()
211                 st->nb_frames = cdxl->filesize / current_size;  in cdxl_read_packet()
213             cdxl->video_stream_index = st->index;  in cdxl_read_packet()
214             avpriv_set_pts_info(st, 64, cdxl->frate.den, cdxl->frate.num);  in cdxl_read_packet()
219         memcpy(pkt->data, cdxl->header, CDXL_HEADER_SIZE);  in cdxl_read_packet()
225         pkt->stream_index  = cdxl->video_stream_index;  in cdxl_read_packet()
227         pkt->pos           = cdxl->pos;  in cdxl_read_packet()
229         cdxl->read_chunk   = audio_size;  in cdxl_read_packet()
232     if (!cdxl->read_chunk)  in cdxl_read_packet()
240     CDXLDemuxContext *cdxl = s->priv_data;  in read_seek()  local
242     cdxl->read_chunk = 0;  in read_seek()