107     for (int n = 0; n < mpctx->num_next_frames; n++)  in reset_video_state()
109     mpctx->num_next_frames = 0;  in reset_video_state()
377     assert(mpctx->num_next_frames >= 1);  in handle_new_frame()
404     if (mpctx->num_next_frames < 1)  in shift_frames()
407     for (int n = 0; n < mpctx->num_next_frames - 1; n++)  in shift_frames()
409     mpctx->num_next_frames -= 1;  in shift_frames()
446     return mpctx->num_next_frames < get_req_frames(mpctx, false);  in needs_new_frame()
452     assert(mpctx->num_next_frames < MP_ARRAY_SIZE(mpctx->next_frames));  in add_new_frame()
454     mpctx->next_frames[mpctx->num_next_frames++] = frame;  in add_new_frame()
455     if (mpctx->num_next_frames == 1)  in add_new_frame()
463     return mpctx->num_next_frames >= get_req_frames(mpctx, eof);  in have_new_frame()
948     assert(mpctx->num_past_frames >= 1 && mpctx->num_next_frames >= 1);  in calculate_frame_duration()
954     if (mpctx->num_next_frames >= 2) {  in calculate_frame_duration()
1093     if (logical_eof && !mpctx->num_past_frames && mpctx->num_next_frames == 1 &&  in write_video()
1158     assert(mpctx->num_next_frames >= 1);  in write_video()
1177         .num_frames = MPMIN(mpctx->num_next_frames, req),  in write_video()
1211     if (mpctx->num_next_frames >= 1)  in write_video()
1229     if (logical_eof && !mpctx->num_next_frames && mpctx->ao_chain)  in write_video()