VSYNC_PASSTHROUGH  929 ffmpeg.c                   format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
VSYNC_PASSTHROUGH  943 ffmpeg.c               format_video_sync != VSYNC_PASSTHROUGH &&
VSYNC_PASSTHROUGH  982 ffmpeg.c           case VSYNC_PASSTHROUGH:
VSYNC_PASSTHROUGH 2871 ffmpeg.c                       if (   av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
VSYNC_PASSTHROUGH 1315 ffmpeg_opt.c       if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
VSYNC_PASSTHROUGH 2541 ffmpeg_opt.c       else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;