ffmpeg安装以及转码命令

如果系统没有安装rpm 请安装rpm
wget http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
yum install epel-release
rpm -Uvh nux-dextop-release-0-5.el7.nux.noarch.rpm

常用命令:

ffmpeg -i movie.mov -vcodec copy -acodec copy out.mp4
[root@vultr Downloads]# ffmpeg -i movie.MOV -vcodec copy -acodec copy out.mp4

  built on Jan 29 2012 17:53:48 with gcc 4.4.5 20110214 (Red Hat 4.4.5-6)

  configuration: --prefix=/usr --libdir=/usr/lib --shlibdir=/usr/lib --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables' --enable-avfilter --enable-avfilter-lavf --enable-libdc1394 --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab

  libavutil     50.15. 1 / 50.15. 1

  libavcodec    52.72. 2 / 52.72. 2

  libavformat   52.64. 2 / 52.64. 2

  libavdevice   52. 2. 0 / 52. 2. 0

  libavfilter    1.19. 0 /  1.19. 0

  libswscale     0.11. 0 /  0.11. 0

  libpostproc   51. 2. 0 / 51. 2. 0

 

Seems stream 0 codec frame rate differs from container frame rate: 1200.00 (1200/1) -> 29.97 (30000/1001)

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'movie.MOV':

  Metadata:

    major_brand     : qt

    minor_version   : 0

    compatible_brands: qt

  Duration: 00:26:54.39, start: 0.000000, bitrate: 17189 kb/s

    Stream #0.0(und): Video: h264, yuv420p, 1920x1080, 17072 kb/s, 29.98 fps, 29.97 tbr, 600 tbn, 1200 tbc

    Stream #0.1(und): Audio: aac, 44100 Hz, mono, s16, 89 kb/s

    Stream #0.2(und): Data: mebx / 0x7862656D, 19 kb/s

    Stream #0.3(und): Data: mebx / 0x7862656D

Output #0, mp4, to 'out.mp4':

  Metadata:

    encoder         : Lavf52.64.2

    Stream #0.0(und): Video: libx264, yuv420p, 1920x1080, q=2-31, 17072 kb/s, 600 tbn, 600 tbc

    Stream #0.1(und): Audio: libfaac, 44100 Hz, mono, 89 kb/s

Stream mapping:

  Stream #0.0 -> #0.0

  Stream #0.1 -> #0.1

Press [q] to stop encoding

frame=48394 fps=1546 q=-1.0 Lsize= 3382799kB time=1614.29 bitrate=17166.6kbits/s

video:3364280kB audio:17579kB global headers:0kB muxing overhead 0.027791%