ffmpeg常用转换命令 - Sat, Feb 20, 2021

ffmpeg常用转换命令

1. mp4 to h264 raw

ffmpeg -i h264.mp4 -c:v copy -bsf:v h264_mp4toannexb -an out.h264

2. mp4 to ts

ffmpeg -i INPUT.mp4 -codec copy -bsf:v h264_mp4toannexb OUTPUT.ts

3. rtsp to rtmp

ffmpeg -i "rtsp://192.168.0.99:8554/1" -vcodec copy -acodec copy -f flv "rtmp://127.0.0.1:1935/live/ffmpeg"

4. filt to rtmp

ffmpeg -re -i file.flv -c copy -f flv "rtmp://127.0.0.1:1935/live/ffmpeg"

5. rtmp to file

ffmpeg -i "rtmp://127.0.0.1:1935/live/ffmpeg" -c copy dump.flv

6. rtmp to rtmp

ffmpeg -i "rtmp://127.0.0.1:1935/live/ffmpeg" -c:a libfaac -ar 44100 -ab 48k -c:v libx264 -vpre slow -vpre baseline -f flv "rtmp://127.0.0.1:1935/live/other"

7. jpg to file

ffmpeg -i INPUT.jpg -an -vcodec libx264 -coder 1 -flags +loop -cmp +chroma -subq 10 -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -flags2 +dct8x8 -trellis 2 -partitions +parti8x8+parti4x4 -crf 24 -threads 0 -r 25 -g 25 -y OUTPUT.mp4