本地视频录制。黑屏有声音,排除播放器的问题,已经测试过所有的播放器

java程序开发的。
下面是error日志
(22344): ERROR (16:04:25:262) | RecordingEngineImpl.cpp:267: Video capture mode must be set isMixingEnabled = 0
(22373): ERROR (16: 4:25:477 | 0) 22387; [ch0] login strategy=2
(22373): ERROR (16: 4:25:502 | 1) 22387; GetCodec() invalid index (error=8004)
(22373): ERROR (16: 4:25:515 | 0) 22389; unknown audio layer (error=10009)
(22373): ERROR (16: 4:25:604 | 0) 22387; GetCodec() invalid index (error=8004)
(22373): ERROR (16: 4:25:608 | 0) 22387; onPeerAudioMuteStatus: uid 1234511 already unmuted
(22373): ERROR (16:04:26:673) | event_handler.cpp:74: multi_muxer.cpp:78: multi muxer start success, base file name:./20210902/ChannelA_080425_262641122/0_20210902080426595, muxer count:1
(22373): ERROR (16:04:26:674) | event_handler.cpp:74: ff_muxer.cpp:240: addVideoStream create h264_mp4toannnexb filter failed!
(22344): ERROR (16:04:58:539) | event_loop.cpp:230: Error fd:14, 16
(22344): ERROR (16:04:58:539) | pipe_router.cpp:81: Broken reading pipe! event:16 with error3
压缩包里面是详细的INFO日志和视频
0_20210902082100693.zip (98.7 KB)

补充一下,是合流录制

已经在你发的另一个重复的帖子里进行回复啦
本地视频录制.mp4文件播放黑屏,声音正常 - 提问 / 录制 - RTC开发者社区-WebRTC中文论坛|RTC实时技术论坛 (rtcdeveloper.com)