called to display each frame */
| 1158 | |
| 1159 | /* called to display each frame */ |
| 1160 | static void video_refresh_timer(void *opaque) |
| 1161 | { |
| 1162 | VideoState *is = opaque; |
| 1163 | VideoPicture *vp; |
| 1164 | |
| 1165 | SubPicture *sp, *sp2; |
| 1166 | |
| 1167 | if (is->video_st) { |
| 1168 | retry: |
| 1169 | if (is->pictq_size == 0) { |
| 1170 | //nothing to do, no picture to display in the que |
| 1171 | } else { |
| 1172 | double time= av_gettime()/1000000.0; |
| 1173 | double next_target; |
| 1174 | /* dequeue the picture */ |
| 1175 | vp = &is->pictq[is->pictq_rindex]; |
| 1176 | |
| 1177 | if(time < vp->target_clock) |
| 1178 | return; |
| 1179 | /* update current video pts */ |
| 1180 | is->video_current_pts = vp->pts; |
| 1181 | is->video_current_pts_drift = is->video_current_pts - time; |
| 1182 | is->video_current_pos = vp->pos; |
| 1183 | if(is->pictq_size > 1){ |
| 1184 | VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE]; |
| 1185 | assert(nextvp->target_clock >= vp->target_clock); |
| 1186 | next_target= nextvp->target_clock; |
| 1187 | }else{ |
| 1188 | next_target= vp->target_clock + is->video_clock - vp->pts; //FIXME pass durations cleanly |
| 1189 | } |
| 1190 | if(framedrop && time > next_target){ |
| 1191 | is->skip_frames *= 1.0 + FRAME_SKIP_FACTOR; |
| 1192 | if(is->pictq_size > 1 || time > next_target + 0.5){ |
| 1193 | /* update queue size and signal for next picture */ |
| 1194 | if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE) |
| 1195 | is->pictq_rindex = 0; |
| 1196 | |
| 1197 | SDL_LockMutex(is->pictq_mutex); |
| 1198 | is->pictq_size--; |
| 1199 | SDL_CondSignal(is->pictq_cond); |
| 1200 | SDL_UnlockMutex(is->pictq_mutex); |
| 1201 | goto retry; |
| 1202 | } |
| 1203 | } |
| 1204 | |
| 1205 | if(is->subtitle_st) { |
| 1206 | if (is->subtitle_stream_changed) { |
| 1207 | SDL_LockMutex(is->subpq_mutex); |
| 1208 | |
| 1209 | while (is->subpq_size) { |
| 1210 | free_subpicture(&is->subpq[is->subpq_rindex]); |
| 1211 | |
| 1212 | /* update queue size and signal for next picture */ |
| 1213 | if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE) |
| 1214 | is->subpq_rindex = 0; |
| 1215 | |
| 1216 | is->subpq_size--; |
| 1217 | } |
no test coverage detected