推流
// 本地mp4文件进行RTP推流
ffmpeg -re -i cece_1.mp4 -an -c copy -f rtp rtp://10.0.4.134:11111>ffmpeg.sdp
// 没有音频流
ffmpeg -re -i cece_1.mp4 -an -c copy -f rtp rtp://10.0.4.134:11111>ffmpeg.sdp
// 有音频和视频流
ffmpeg -re -i cece_1.mp4 -vcodec copy -an -f rtp rtp://10.0.4.134:11111 -vn -acodec copy -f rtp rtp://10.0.4.134:11122>ffmpeg.sdp
播放
ffplay -i ffmpeg.sdp -protocol_whitelist file,udp,rtp
拉流
// 把RTP转录为RTMP
ffmpeg -protocol_whitelist file,udp,rtp -i ffmpeg.sdp -vcodec copy -acodec copy -f flv rtmp://pili-publish.xxwolo.com/cece/1111111MjJBNlhZZTBpS?key=cb461460-48ce-46fa-a01f-82f74c395ffd
// 两路RTP流合并，拼接
ffmpeg -thread_queue_size 512 -acodec libopus -protocol_whitelist file,udp,rtp -i ffmpeg.sdp -thread_queue_size 512 -protocol_whitelist file,udp,rtp -acodec libopus -i test.sdp -filter_complex "[0:v]setpts=PTS-STARTPTS,setsar=1[left];[1:v]setpts=PTS-STARTPTS,setsar=1[right];[left][right]hstack[vout]" -map [vout] -vcodec libx264 -profile:v high -f flv rtmp://pili-publish.xxwolo.com/cece/1111111MjJBNlhZZTBpS?key=cb461460-48ce-46fa-a01f-82f74c395ffd
// 两路RTP流合并，覆盖
ffmpeg -thread_queue_size 512 -acodec libopus -protocol_whitelist file,udp,rtp -i ffmpeg.sdp -thread_queue_size 512 -protocol_whitelist file,udp,rtp -acodec libopus -i test.sdp -filter_complex "[0:v]setpts=PTS-STARTPTS,setsar=1[left];[1:v]setpts=PTS-STARTPTS,setsar=1[right];[left][right] overlay=main_w/2:main_h/2[vout]" -map [vout] -vcodec libx264 -profile:v high -f flv rtmp://pili-publish.xxwolo.com/cece/1111111MjJBNlhZZTBpS?key=cb461460-48ce-46fa-a01f-82f74c395ffd
// 两路RTP流合并，覆盖+缩放
ffmpeg -thread_queue_size 512 -acodec libopus -protocol_whitelist file,udp,rtp -i ffmpeg.sdp -thread_queue_size 512 -protocol_whitelist file,udp,rtp -acodec libopus -i test.sdp -filter_complex "[0:v]setpts=PTS-STARTPTS,setsar=1[left];[1:v]setpts=PTS-STARTPTS,setsar=1,scale=iw/3:ih/3 [right];[left][right] overlay=main_w/3 * 2:main_h/3 * 2 [vout]" -map [vout] -vcodec libx264 -profile:v high -f flv rtmp://pili-publish.xxwolo.com/cece/1111111MjJBNlhZZTBpS?key=cb461460-48ce-46fa-a01f-82f74c395ffd
// 两路流RTP合并，只合音频
ffmpeg -thread_queue_size 512 -protocol_whitelist file,udp,rtp -i ffmpeg.sdp -thread_queue_size 512 -protocol_whitelist file,udp,rtp -i test.sdp -filter_complex "[0:a][1:a] amix=inputs=2 [aout]" -map [aout] -acodec aac -f flv rtmp://pili-publish.xxwolo.com/cece/1111111MjJBNlhZZTBpS?key=cb461460-48ce-46fa-a01f-82f74c395ffd
// 两路流RTP合并，覆盖+缩放+音频
ffmpeg -thread_queue_size 512 -protocol_whitelist file,udp,rtp -i ffmpeg.sdp -thread_queue_size 512 -protocol_whitelist file,udp,rtp -i test.sdp -filter_complex "[0:v]setpts=PTS-STARTPTS,setsar=1[left];[1:v]setpts=PTS-STARTPTS,setsar=1,scale=iw/3:ih/3 [right];[left][right] overlay=main_w/3 * 2:main_h/3 * 2 [vout];[0:a][1:a] amix=inputs=2 [aout]" -map [vout] -map [aout] -vcodec libx264 -profile:v high -preset veryfast -strict -2 -acodec aac -f flv rtmp://pili-publish.xxwolo.com/cece/1111111MjJBNlhZZTBpS?key=cb461460-48ce-46fa-a01f-82f74c395ffd
来源：CSDN
作者：Martin_chen2
链接：https://blog.csdn.net/Martin_chen2/article/details/102922599