73     RoqDemuxContext *roq = s->priv_data;  in roq_read_header()  local
81     roq->frame_rate = AV_RL16(&preamble[6]);  in roq_read_header()
84     roq->width = roq->height = roq->audio_channels = roq->video_pts =  in roq_read_header()
85     roq->audio_frame_count = 0;  in roq_read_header()
86     roq->audio_stream_index = -1;  in roq_read_header()
87     roq->video_stream_index = -1;  in roq_read_header()
97     RoqDemuxContext *roq = s->priv_data;  in roq_read_packet()  local
127             if (roq->video_stream_index == -1) {  in roq_read_packet()
131                 avpriv_set_pts_info(st, 63, 1, roq->frame_rate);  in roq_read_packet()
132                 roq->video_stream_index = st->index;  in roq_read_packet()
139                 st->codecpar->width  = roq->width  = AV_RL16(preamble);  in roq_read_packet()
140                 st->codecpar->height = roq->height = AV_RL16(preamble + 2);  in roq_read_packet()
148             if (roq->video_stream_index < 0)  in roq_read_packet()
170             pkt->stream_index = roq->video_stream_index;  in roq_read_packet()
171             pkt->pts = roq->video_pts++;  in roq_read_packet()
178             if (roq->audio_stream_index == -1) {  in roq_read_packet()
183                 roq->audio_stream_index = st->index;  in roq_read_packet()
194                 roq->audio_channels    = st->codecpar->channels;  in roq_read_packet()
203                 if (roq->video_stream_index < 0)  in roq_read_packet()
215                 pkt->stream_index = roq->video_stream_index;  in roq_read_packet()
216                 pkt->pts = roq->video_pts++;  in roq_read_packet()
218                 pkt->stream_index = roq->audio_stream_index;  in roq_read_packet()
219                 pkt->pts = roq->audio_frame_count;  in roq_read_packet()
220                 roq->audio_frame_count += (chunk_size / roq->audio_channels);  in roq_read_packet()