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  • ERROR: libopencore_amrnb not found
  • ERROR: libvo_amrwbenc not found
  • ERROR: libwavpack not found
  • ERROR: libaacplus >= 2.0.0 not found
  • ERROR: libfdk_aac not found
  • ERROR: libvo_aacenc not found
  • 编译安装ffmpeg
    • 常用编译方式小结
    • 支持vorbis
    • 支持wav
    • 支持aac
    • 支持mp2
    • flac 支持
    • 支持 ac3
    • 支持wma/wmv
    • 本次编译涉及所有配置项
    • 本文将详细介绍编译安装ffmpeg,该ffmpeg将支持目前业界各主流音频格式,主要功能为支持mp2,mp3,flac,vorbis,wav,aac,amr,ac3,wma,wmv格式转为mp3/aac/amr。

      依赖库安装

      yasm1.3.0

      编译安装 yasm-1.3.0.tar.gz

      安装mp3依赖库

         ERROR: libmp3lame >= 3.98.3 not found
      
        libmp3lame-dev - MP3 encoding library (development)
        apt-get install   libmp3lame-dev
      

      ERROR: libopencore_amrnb not found

      sudo apt-get install libx264-dev libxvidcore-dev libopencore-amrwb-dev libopencore-amrnb-dev libfaad-dev libfaac-dev libmp3lame-dev \
      libtwolame-dev liba52-0.7.4-dev libcddb2-dev libcdaudio-dev libcdio-cdda-dev libvorbis-dev libopenjpeg-dev
      

      ERROR: libvo_amrwbenc not found

      http://sourceforge.net/projects/opencore-amr/files/vo-amrwbenc/

      ERROR: libwavpack not found

       sudo apt-get install libwavpack-dev
      

      ERROR: libaacplus >= 2.0.0 not found

      ffmpeg官网解决方案

      # apt-get install libfftw3-dev pkg-config autoconf automake libtool unzip
      $ wget http://tipok.org.ua/downloads/media/aacplus/libaacplus/libaacplus-2.0.2.tar.gz
      $ tar -xzf libaacplus-2.0.2.tar.gz
      $ cd libaacplus-2.0.2
      $ ./autogen.sh --enable-shared --enable-static
      $ make
      # make install
      # ldconfig
      

      ERROR: libfdk_aac not found

      编译安装libfdk_aac

      ERROR: libvo_aacenc not found

      编译安装vo-aacenc-0.1.2.tar.gz

      编译安装ffmpeg

      常用编译方式小结

      1.编译时设置通用参数

      ./configure \
          --extra-cflags='-I/usr/include -static' \
          --extra-ldflags='-I/usr/lib -static' \
          --disable-debug \
          --disable-shared \
          --enable-static \
          --enable-gpl \
          --enable-libmp3lame \
          --enable-nonfree \
          --disable-logging \
          --disable-avdevice \
          --disable-swscale \
          --disable-postproc \
          --disable-dxva2 \
          --disable-vaapi \
          --disable-vda \
          --disable-vdpau \
          --disable-everything \
          --disable-runtime-cpudetect \
          --disable-swscale-alpha \
          --disable-ffplay \
          --disable-ffprobe \
          --disable-ffserver \
          --disable-doc \
          --disable-htmlpages \
          --disable-manpages \
          --disable-podpages \
          --disable-txtpages \
          --enable-protocol=file \
          --enable-protocol=pipe \
          --enable-protocol=http \
          --enable-protocol=https \
          --enable-filter=aresample \
      

      2.从第一步生成的config.h中,grep 想要安装的格式关键字,如想要安装mp3

      fun@ubuntu:~/software/ffmpeg-2.2.2$ grep MP3 config.h 
      #define CONFIG_LIBMP3LAME 1
      #define CONFIG_MP3_HEADER_DECOMPRESS_BSF 0
      #define CONFIG_MP3_DECODER 1
      #define CONFIG_MP3FLOAT_DECODER 0
      #define CONFIG_MP3ADU_DECODER 0
      #define CONFIG_MP3ADUFLOAT_DECODER 0
      #define CONFIG_MP3ON4_DECODER 0
      #define CONFIG_MP3ON4FLOAT_DECODER 0
      #define CONFIG_MP3_DEMUXER 1
      #define CONFIG_LIBMP3LAME_ENCODER 1
      #define CONFIG_MP3_MUXER 1
      

      3.设置诸如encoder,decoder,muxer,demuxer对应项

         --enable-libmp3lame \
         --enable-decoder=mp3 \
          --enable-demuxer=mp3 \
          --enable-muxer=mp3 \
          --enable-encoder=libmp3lame \
      

      支持vorbis

          --enable-libvorbis \
          --enable-parser=vorbis \
          --enable-encoder=vorbis \
          --enable-decoder=vorbis \
          --enable-encoder=libvorbis \
          --enable-decoder=libvorbis \
          --enable-muxer=ogg \
          --enable-demuxer=ogg \
      
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i test.mp3 test.ogg
        built on Mar 14 2015 01:24:30 with gcc 4.9.1 (Ubuntu 4.9.1-16ubuntu6)
      Input #0, mp3, from 'test.mp3':
        Metadata:
          encoder         : Lavf55.33.100
        Duration: 00:00:10.22, start: 0.138125, bitrate: 8 kb/s
          Stream #0:0: Audio: mp3, 8000 Hz, mono, s16p, 8 kb/s
      Output #0, ogg, to 'test.ogg':
        Metadata:
          encoder         : Lavf55.33.100
          Stream #0:0: Audio: vorbis (libvorbis), 8000 Hz, mono, fltp
          Metadata:
            encoder         : Lavf55.33.100
      Stream mapping:
        Stream #0:0 -> #0:0 (mp3 -> libvorbis)
      Press [q] to stop, [?] for help
      size=      25kB time=00:00:10.08 bitrate=  20.3kbits/s    
      video:0kB audio:22kB subtitle:0 data:0 global headers:3kB muxing overhead 2.472099%
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i  test.ogg ogg.mp3
      Input #0, ogg, from 'test.ogg':
        Duration: 00:00:10.09, start: 0.000000, bitrate: 20 kb/s
          Stream #0:0: Audio: vorbis, 8000 Hz, mono, fltp, 22 kb/s
          Metadata:
            ENCODER         : Lavf55.33.100
      Output #0, mp3, to 'ogg.mp3':
        Metadata:
          TSSE            : Lavf55.33.100
          Stream #0:0: Audio: mp3 (libmp3lame), 8000 Hz, mono, fltp
          Metadata:
            ENCODER         : Lavf55.33.100
      Stream mapping:
        Stream #0:0 -> #0:0 (vorbis -> libmp3lame)
      Press [q] to stop, [?] for help
      size=      10kB time=00:00:10.15 bitrate=   8.3kbits/s    
      video:0kB audio:10kB subtitle:0 data:0 global headers:0kB muxing overhead 2.534965%
      

      支持wav

       --enable-libwavpack \
          --enable-muxer=wav \
          --enable-demuxer=wav \
          --enable-decoder=wavpack \
          --enable-encoder=wavpack \
          --enable-decoder=wav \
          --enable-encoder=wav \
          --enable-encoder=pcm_s16le \
          --enable-decoder=pcm_s16le \
      
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i test.wav wav.mp3
      Guessed Channel Layout for  Input Stream #0.0 : mono
      Input #0, wav, from 'test.wav':
        Metadata:
          encoder         : Lavf55.33.100
        Duration: 00:00:10.09, bitrate: 128 kb/s
          Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz, mono, s16, 128 kb/s
      Output #0, mp3, to 'wav.mp3':
        Metadata:
          TSSE            : Lavf55.33.100
          Stream #0:0: Audio: mp3 (libmp3lame), 8000 Hz, mono, s16p
      Stream mapping:
        Stream #0:0 -> #0:0 (pcm_s16le -> libmp3lame)
      Press [q] to stop, [?] for help
      [libmp3lame @ 0x29fe940] Trying to remove 576 samples, but the queue is empty
      size=      10kB time=00:00:10.15 bitrate=   8.3kbits/s    
      video:0kB audio:10kB subtitle:0 data:0 global headers:0kB muxing overhead 2.534965%
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i test.mp3 haha.wav
      Input #0, mp3, from 'test.mp3':
        Metadata:
          encoder         : Lavf55.33.100
        Duration: 00:00:10.22, start: 0.138125, bitrate: 8 kb/s
          Stream #0:0: Audio: mp3, 8000 Hz, mono, s16p, 8 kb/s
      File 'haha.wav' already exists. Overwrite ? [y/N] y
      Output #0, wav, to 'haha.wav':
        Metadata:
          ISFT            : Lavf55.33.100
          Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz, mono, s16, 128 kb/s
      Stream mapping:
        Stream #0:0 -> #0:0 (mp3 -> pcm_s16le)
      Press [q] to stop, [?] for help
      size=     158kB time=00:00:10.08 bitrate= 128.1kbits/s    
      video:0kB audio:158kB subtitle:0 data:0 global headers:0kB muxing overhead 0.049574%
      

      部分从wav转mp3,遇到一下错误:

      Input #0, wav, from '../resource/flac/1.wav':
        Duration: 00:09:05.67, bitrate: 96 kb/s
          Stream #0:0: Audio: pcm_u8 ([1][0][0][0] / 0x0001), 12000 Hz, mono, 96 kb/s
      [abuffer @ 0x1a3b520] Unable to parse option value "(null)" as sample format
          Last message repeated 1 times
      [abuffer @ 0x1a3b520] Error setting option sample_fmt to value (null).
      [graph 0 input from stream 0:0 @ 0x1a4fea0] Error applying options to the filter.
      Error opening filters!
      Conversion failed!
      

      解决方法,加上编译参数

         --enable-encoder=pcm_u8 \
          --enable-decoder=pcm_u8 \
          --enable-muxer=pcm_u8 \
          --enable-demuxer=pcm_u8 \
      

      支持aac

           --enable-libvo-aacenc \
          --enable-libfdk_aac \
          --enable-libfaac \
          --enable-parser=aac \
          --enable-encoder=aac \
          --enable-decoder=aac \
          --enable-encoder=libfaac \
          --enable-encoder=libvo_aacenc \
          --enable-encoder=libaacplus \
          --enable-encoder=libfdk_aac \
          --enable-decoder=libfdk_aac\
          --enable-demuxer=aac \
          --enable-muxer=adts \
      
       ./ffmpeg -i test.mp3 haha.aac
      Input #0, mp3, from 'test.mp3':
        Metadata:
          encoder         : Lavf55.33.100
        Duration: 00:00:10.22, start: 0.138125, bitrate: 8 kb/s
          Stream #0:0: Audio: mp3, 8000 Hz, mono, s16p, 8 kb/s
      Output #0, adts, to 'haha.aac':
        Metadata:
          encoder         : Lavf55.33.100
          Stream #0:0: Audio: aac (libfdk_aac), 8000 Hz, mono, s16, 17 kb/s
      Stream mapping:
        Stream #0:0 -> #0:0 (mp3 -> libfdk_aac)
      Press [q] to stop, [?] for help
      size=      22kB time=00:00:10.11 bitrate=  18.0kbits/s    
      video:0kB audio:22kB subtitle:0 data:0 global headers:0kB muxing overhead 0.000000%
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i haha.aac aac.mp3
      [aac @ 0x15abd80] Estimating duration from bitrate, this may be inaccurate
      Input #0, aac, from 'haha.aac':
        Duration: 00:00:10.86, bitrate: 16 kb/s
          Stream #0:0: Audio: aac, 8000 Hz, mono, fltp, 16 kb/s
      File 'aac.mp3' already exists. Overwrite ? [y/N] y
      Output #0, mp3, to 'aac.mp3':
        Metadata:
          TSSE            : Lavf55.33.100
          Stream #0:0: Audio: mp3 (libmp3lame), 8000 Hz, mono, fltp
      Stream mapping:
        Stream #0:0 -> #0:0 (aac -> libmp3lame)
      Press [q] to stop, [?] for help
      size=      11kB time=00:00:10.37 bitrate=   8.3kbits/s    
      video:0kB audio:10kB subtitle:0 data:0 global headers:0kB muxing overhead 2.482877%
      

      支持mp2

          --enable-encoder=mp2 \
          --enable-decoder=mp2 \
          --enable-muxer=mp2 \
          --enable-decoder=mp2float \
          --enable-encoder=mp2fixed \
      
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i test.mp3 test.mp2
      Input #0, mp3, from 'test.mp3':
        Metadata:
          encoder         : Lavf55.33.100
        Duration: 00:00:10.22, start: 0.138125, bitrate: 8 kb/s
          Stream #0:0: Audio: mp3, 8000 Hz, mono, s16p, 8 kb/s
      Output #0, mp2, to 'test.mp2':
        Metadata:
          encoder         : Lavf55.33.100
          Stream #0:0: Audio: mp2, 16000 Hz, mono, s16, 128 kb/s
      Stream mapping:
        Stream #0:0 -> #0:0 (mp3 -> mp2)
      Press [q] to stop, [?] for help
      size=     159kB time=00:00:10.12 bitrate= 128.4kbits/s    
      video:0kB audio:159kB subtitle:0 data:0 global headers:0kB muxing overhead 0.000000%
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i test.mp2 mp2.mp3
      [mp3 @ 0x1b77d80] Estimating duration from bitrate, this may be inaccurate
      Input #0, mp3, from 'test.mp2':
        Duration: 00:00:10.29, start: 0.000000, bitrate: 126 kb/s
          Stream #0:0: Audio: mp2, 16000 Hz, mono, s16p, 126 kb/s
      File 'mp2.mp3' already exists. Overwrite ? [y/N] y
      Output #0, mp3, to 'mp2.mp3':
        Metadata:
          TSSE            : Lavf55.33.100
          Stream #0:0: Audio: mp3 (libmp3lame), 16000 Hz, mono, s16p
      Stream mapping:
        Stream #0:0 -> #0:0 (mp2 -> libmp3lame)
      Press [q] to stop, [?] for help
      size=      30kB time=00:00:10.15 bitrate=  24.3kbits/s    
      video:0kB audio:30kB subtitle:0 data:0 global headers:0kB muxing overhead 0.733568%
      

      flac 支持

         --enable-encoder=flac \
          --enable-decoder=flac \
          --enable-demuxer=flac \
          --enable-muxer=flac \
          --enable-parser=flac \
      
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i test.mp3 test.flac
      Input #0, mp3, from 'test.mp3':
        Metadata:
          encoder         : Lavf55.33.100
        Duration: 00:00:10.30, start: 0.138125, bitrate: 8 kb/s
          Stream #0:0: Audio: mp3, 8000 Hz, mono, s16p, 8 kb/s
      Output #0, flac, to 'test.flac':
        Metadata:
          encoder         : Lavf55.33.100
          Stream #0:0: Audio: flac, 8000 Hz, mono, s16, 128 kb/s
      Stream mapping:
        Stream #0:0 -> #0:0 (mp3 -> flac)
      Press [q] to stop, [?] for help
      size=      92kB time=00:00:10.22 bitrate=  73.4kbits/s    
      video:0kB audio:84kB subtitle:0 data:0 global headers:0kB muxing overhead 9.643538%
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i test.flac flac.mp3
      Input #0, flac, from 'test.flac':
        Metadata:
          ENCODER         : Lavf55.33.100
        Duration: 00:00:10.16, bitrate: 73 kb/s
          Stream #0:0: Audio: flac, 8000 Hz, mono, s16
      Output #0, mp3, to 'flac.mp3':
        Metadata:
          TSSE            : Lavf55.33.100
          Stream #0:0: Audio: mp3 (libmp3lame), 8000 Hz, mono, s16p
      Stream mapping:
        Stream #0:0 -> #0:0 (flac -> libmp3lame)
      Press [q] to stop, [?] for help
      [libmp3lame @ 0x1a913a0] Trying to remove 576 samples, but the queue is empty
      size=      10kB time=00:00:10.22 bitrate=   8.3kbits/s    
      video:0kB audio:10kB subtitle:0 data:0 global headers:0kB muxing overhead 2.517361%
      

      部分flac转mp3失败的原因之一是ffmpeg没有将图片格式编在里面的缘故,
      在ffmpeg编译时添加以下参数

          --enable-encoder=jpeg2000 \
          --enable-encoder=mjpeg \
          --enable-encoder=ljpeg \
          --enable-encoder=jpegls \
          --enable-decoder=jpeg2000 \
          --enable-decoder=jpegls \
          --enable-decoder=mjpeg \
          --enable-decoder=mjpegb \
          --enable-muxer=mjpeg \
          --enable-demuxer=mjpeg \
          --enable-encoder=png \
          --enable-decoder=png \
          --enable-parser=png \
      

      加入图片支持后,以上转码依旧报错

      Input #0, flac, from 'b1.flac':
        Duration: 00:08:32.31, bitrate: 871 kb/s
          Stream #0:0: Audio: flac, 44100 Hz, stereo, s16
          Stream #0:1: Video: mjpeg, yuvj420p(pc), 542x475 [SAR 96:96 DAR 542:475], 90k tbr, 90k tbn, 90k tbc
          Metadata:
            comment         : Cover (front)
      File 'test.mp3' already exists. Overwrite ? [y/N] y
      'scale' filter not present, cannot convert pixel formats.
      Error opening filters!
      Conversion failed!
      

      解决方法:
      编译时添加scale的支持

         --enable-swscale \
          --enable-swscale-alpha \
          --enable-filter=scale \
      

      支持 ac3

          --enable-encoder=ac3 \
          --enable-decoder=ac3 \
          --enable-encoder=ac3_fixed\
          --enable-decoder=atrac3 \
          --enable-decoder=atrac3p \
          --enable-encoder=eac3 \
          --enable-decoder=eac3 \
          --enable-muxer=ac3 \
          --enable-demuxer=ac3 \
          --enable-muxer=eac3 \
          --enable-demuxer=eac3 \
      
      ./ffmpeg -i test.mp3 test.ac3
      Input #0, mp3, from 'test.mp3':
        Metadata:
          encoder         : Lavf55.33.100
        Duration: 00:00:10.30, start: 0.138125, bitrate: 8 kb/s
          Stream #0:0: Audio: mp3, 8000 Hz, mono, s16p, 8 kb/s
      Output #0, ac3, to 'test.ac3':
        Metadata:
          encoder         : Lavf55.33.100
          Stream #0:0: Audio: ac3, 8000 Hz, mono, fltp, 96 kb/s
      Stream mapping:
        Stream #0:0 -> #0:0 (mp3 -> ac3)
      Press [q] to stop, [?] for help
      size=     119kB time=00:00:10.14 bitrate=  96.3kbits/s    
      video:0kB audio:119kB subtitle:0 data:0 global headers:0kB muxing overhead 0.000000%
      fun@ubuntu:~/software/ffmpeg-2.2.2$ ./ffmpeg -i test.ac3 ac3.mp3
      [ac3 @ 0x15a7d80] Estimating duration from bitrate, this may be inaccurate
      Input #0, ac3, from 'test.ac3':
        Duration: 00:00:10.18, start: 0.000000, bitrate: 96 kb/s
          Stream #0:0: Audio: ac3, 8000 Hz, mono, fltp, 96 kb/s
      Output #0, mp3, to 'ac3.mp3':
        Metadata:
          TSSE            : Lavf55.33.100
          Stream #0:0: Audio: mp3 (libmp3lame), 8000 Hz, mono, fltp
      Stream mapping:
        Stream #0:0 -> #0:0 (ac3 -> libmp3lame)
      Press [q] to stop, [?] for help
      size=      10kB time=00:00:10.22 bitrate=   8.3kbits/s    
      video:0kB audio:10kB subtitle:0 data:0 global headers:0kB muxing overhead 2.517361%
      

      支持wma/wmv

       --enable-decoder=wmalossless \
          --enable-decoder=wmapro \
          --enable-encoder=wmav1 \
          --enable-decoder=wmav1 \
          --enable-encoder=wmav2 \
          --enable-decoder=wmav2 \
          --enable-decoder=wmavoice \
          --enable-demuxer=xwma \
          --enable-demuxer=avi \
          --enable-muxer=avi \
          --enable-demuxer=asf \
          --enable-muxer=asf \
          --enable-encoder=wmv1 \
          --enable-decoder=wmv1 \
          --enable-encoder=wmv2 \
          --enable-decoder=wmv2 \
          --enable-decoder=wmv3 \
          --enable-decoder=wmv3_crystalhd \
          --enable-decoder=wmv3_vdpau \
          --enable-decoder=wmv3image \
      

      本次编译涉及所有配置项

      ./configure \
          --extra-cflags='-I/usr/include -static' \
          --extra-ldflags='-I/usr/lib -static' \
          --disable-debug \
          --disable-shared \
          --enable-static \
          --enable-gpl \
          --enable-libmp3lame \
          --enable-nonfree \
          --disable-logging \
          --disable-avdevice \
          --disable-swscale \
          --disable-postproc \
          --disable-dxva2 \
          --disable-vaapi \
          --disable-vda \
          --disable-vdpau \
          --disable-everything \
          --disable-runtime-cpudetect \
          --disable-swscale-alpha \
          --disable-ffplay \
          --disable-ffprobe \
          --disable-ffserver \
          --disable-doc \
          --disable-htmlpages \
          --disable-manpages \
          --disable-podpages \
          --disable-txtpages \
          --enable-protocol=file \
          --enable-protocol=pipe \
          --enable-protocol=http \
          --enable-protocol=https \
          --enable-filter=aresample \
         --enable-decoder=mp3 \
          --enable-demuxer=mp3 \
          --enable-parser=mpegaudio \
          --enable-muxer=mp3 \
          --enable-encoder=libmp3lame \
      	--enable-version3 \
          --enable-libvo-aacenc \
          --enable-libfdk_aac \
          --enable-libfdk-aac \
          --enable-libfaac \
          --enable-parser=aac \
          --enable-encoder=aac \
          --enable-decoder=aac \
          --enable-encoder=libfaac \
          --enable-encoder=libvo_aacenc \
          --enable-encoder=libaacplus \
          --enable-encoder=libfdk_aac \
          --enable-decoder=libfdk_aac\
      	--enable-demuxer=aac \
          --enable-muxer=adts \
          --enable-libopencore-amrnb \
      	--enable-libopencore-amrwb \
      	--enable-libvo_amrwbenc \
          --enable-encoder=libvo_amrwbenc \
          --enable-decoder=libopencore_amrnb \
      	--enable-encoder=libopencore_amrnb \
          --enable-decoder=libopencore_amrwb \
          --enable-decoder=amrnb \
          --enable-decoder=amrwb \
      	--enable-muxer=amr \
          --enable-demuxer=amr \
          --enable-libwavpack \
          --enable-muxer=wav \
          --enable-demuxer=wav \
          --enable-decoder=wavpack \
          --enable-encoder=wavpack \
          --enable-encoder=pcm_s16le \
          --enable-decoder=pcm_s16le \
          --enable-libvorbis \
          --enable-parser=vorbis \
          --enable-encoder=vorbis \
          --enable-decoder=vorbis \
          --enable-encoder=libvorbis \
          --enable-decoder=libvorbis \
          --enable-muxer=ogg \
          --enable-demuxer=ogg \
          --enable-decoder=mp1float \
          --enable-decoder=mp1 \
          --enable-encoder=mp2 \
          --enable-decoder=mp2 \
          --enable-muxer=mp2 \
          --enable-decoder=mp2float \
          --enable-encoder=mp2fixed \
          --enable-encoder=flac \
          --enable-decoder=flac \
          --enable-demuxer=flac \
          --enable-muxer=flac \
          --enable-parser=flac \
          --enable-encoder=ac3 \
          --enable-decoder=ac3 \
          --enable-encoder=ac3_fixed\
          --enable-decoder=atrac3 \
          --enable-decoder=atrac3p \
          --enable-encoder=eac3 \
          --enable-decoder=eac3 \
          --enable-muxer=ac3 \
          --enable-demuxer=ac3 \
          --enable-muxer=eac3 \
          --enable-demuxer=eac3 \
          --enable-decoder=wmalossless \
          --enable-decoder=wmapro \
          --enable-encoder=wmav1 \
          --enable-decoder=wmav1 \
          --enable-encoder=wmav2 \
          --enable-decoder=wmav2 \
          --enable-decoder=wmavoice \
          --enable-demuxer=xwma \
          --enable-demuxer=avi \
          --enable-muxer=avi \
          --enable-demuxer=asf \
          --enable-muxer=asf \
          --enable-encoder=wmv1 \
          --enable-decoder=wmv1 \
          --enable-encoder=wmv2 \
          --enable-decoder=wmv2 \
          --enable-decoder=wmv3 \
          --enable-decoder=wmv3_crystalhd \
          --enable-decoder=wmv3_vdpau \
          --enable-decoder=wmv3image \
              --enable-encoder=jpeg2000 \
          --enable-encoder=mjpeg \
          --enable-encoder=ljpeg \
          --enable-encoder=jpegls \
          --enable-decoder=jpeg2000 \
          --enable-decoder=jpegls \
          --enable-decoder=mjpeg \
          --enable-decoder=mjpegb \
          --enable-muxer=mjpeg \
          --enable-demuxer=mjpeg \
          --enable-encoder=png \
          --enable-decoder=png \
          --enable-parser=png \
          --enable-swscale \
          --enable-swscale-alpha \
          --enable-filter=scale \
          --enable-encoder=pcm_u8 \
          --enable-decoder=pcm_u8 \
          --enable-muxer=pcm_u8 \
          --enable-demuxer=pcm_u8 \
          --enable-small \
      
  •