ffmpeg支持的YUV格式
ffmpeg -pix_fmts
ffplay播放YUV格式
ffplay -pix_fmt yuv420p -s 480x360 a.yuv
ffmpeg YUV格式轉換
ffmpeg -pix_fmt yuv420p -s 176x144 -i carphone_qcif.yuv -pix_fmt nv12 carphone_qcif_nv12.yuv
ffmpeg YUV縮放加格式轉換
ffmpeg -s:v 1920x1080 -r 25 -i input.yuv -vf scale=960:540 -c:v rawvideo -pix_fmt yuv420p out.yuv
ffmpeg解碼命令
ffmpeg -i 720P.264 -s 1280x720 -pix_fmt yuv422p 720P-out.yuv
音視頻分離
ffmpeg -i 123.mp4 -codec copy -bsf:v h264_mp4toannexb -f h264 20180521.264
YUV420_8bit->H264
ffmpeg.exe -s 1920x1080 -pix_fmt yuv420p -i Demo_1920_1080_HD.yuv -vcodec libx264 -x264-params fps=25:bframes=7:keyint=24:bitrate=2000:preset=fast Demo_1920_1080_2M.h264
YUV420_8bit->H265
ffmpeg.exe -s 720x576 -pix_fmt yuv420p -i demo_720_576.yuv -vcodec libx265 -x265-params fps=25:bframes=7:keyint=24:bitrate=2000:preset=fast demo_720_576_2M.h265
H264->TS
ffmpeg.exe -use_wallclock_as_timestamps true -i demo_720_576_2M.h264 -vcodec copy demo_2M_H264.ts
H265->TS
ffmpeg.exe -i demo_720_576_2M.h265 -vcodec hevc -y demo_720_576_2M_H265.ts