合成视频的时候报错,报错信息如下:
Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
[mp4 @ 0000023d5ea14940] Frame rate very high for a muxer not efficiently supporting it.
Please consider specifying a lower framerate, a different muxer or -vsync 2
[libx264 @ 0000023d5f276080] MB rate (396900000) > level limit (16711680)