frame->pts = s->next_pts++;
av_log(ctx, AV_LOG_DEBUG, "Writing frame with pts %"PRId64" to pts %"PRId64"\n",
s->frames[0]->pts, frame->pts);
s->cur_frame_out++;
frame->pts = s->next_pts++;
av_log(ctx, AV_LOG_DEBUG, "Writing frame with pts %"PRId64" to pts %"PRId64"\n",
s->frames[0]->pts, frame->pts);
s->cur_frame_out++;