我有一个MJPEG流，我正在尝试使用ffmpeg作为输入并将其以已定义的帧率传输到rtmp服务器。
我已经作为命令尝试过此操作
ffmpeg -f mjpeg -r 60 -i http://localhost:3030/ -f flv -vcodec flv rtmp://localhost/live/test
当ffmpeg看起来好像在发送东西...
ffmpeg version 4.0.2 Copyright (c) 2000-2018 the FFmpeg developers
built with Apple LLVM version 9.1.0 (clang-902.0.39.2)
configuration: --prefix=/usr/local/Cellar/ffmpeg/4.0.2 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
libavutil 56. 14.100 / 56. 14.100
libavcodec 58. 18.100 / 58. 18.100
libavformat 58. 12.100 / 58. 12.100
libavdevice 58. 3.100 / 58. 3.100
libavfilter 7. 16.100 / 7. 16.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 1.100 / 5. 1.100
libswresample 3. 1.100 / 3. 1.100
libpostproc 55. 1.100 / 55. 1.100
Input #0, mjpeg, from 'http://localhost:3030/':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 1920x1080 [SAR 1:1 DAR 16:9], 60 tbr, 1200k tbn, 60 tbc
[tcp @ 0x7f95f9401ec0] Connection to tcp://localhost:1935 failed (Connection refused), trying next address
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> flv1 (flv))
Press [q] to stop, [?] for help
[swscaler @ 0x7f95fa033e00] deprecated pixel format used, make sure you did set range correctly
Output #0, flv, to 'rtmp://localhost/live/test':
Metadata:
encoder : Lavf58.12.100
Stream #0:0: Video: flv1 (flv) ([2][0][0][0] / 0x0002), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 60 fps, 1k tbn, 60 tbc
Metadata:
encoder : Lavc58.18.100 flv
Side data:
cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
frame= 20 fps=3.2 q=31.0 size= 194kB time=00:00:00.31 bitrate=4999.6kbits/s speed=0.0512x
我无法通过VLC预览流。足够奇怪的是，如果我让VLC尝试加载网址（rtmp：// localhost / live / test）然后关闭ffmpeg，VLC实际上将显示视频流几帧，然后再次停止。
非常感谢您帮助实现此目标。