【ffmpeg】flv1转码h264

ffmpeg: How do I re-encode a video to H.264 video and AAC audio?

H.264+MP3 的FLV转码H.264+AAC的FLV

Stream #0:0: Video: h264 (High), yuvj420p(pc, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 1k tbnStream #0:1: Audio: mp3, 48000 Hz, stereo, fltp, 128 kb/s

zhangbin@DESKTOP-1723CM1 MINGW64 /g$ ffmpeg -i wu_key_mp3.flv -c:v libx264 -preset slow -crf