ffmpeg中acodec与vcodec可设定值

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原文地址：https://blog.csdn.net/newtwg/article/details/86393378

对于ffmpeg的-acodec参数值：

audioEncoders	description
aac	AAC (Advanced Audio Coding)
libfaac
ac3	ATSC A/52A (AC-3)
ac3_fixed	ATSC A/52A (AC-3) (codec ac3)
adpcm_adx	SEGA CRI ADX ADPCM
g722	G.722 ADPCM (codec adpcm_g722)
g726	G.726 ADPCM (codec adpcm_g726)
adpcm_ima_qt	ADPCM IMA QuickTime
adpcm_ima_wav	ADPCM IMA WAV
adpcm_ms	ADPCM Microsoft
adpcm_swf	ADPCM Shockwave Flash
adpcm_yamaha	ADPCM Yamaha
alac	ALAC (Apple Lossless Audio Codec)
libopencore_amrnb	OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band) (codec amr_nb)
comfortnoise	RFC 3389 comfort noise generator
dca	DCA (DTS Coherent Acoustics) (codec dts)
eac3	ATSC A/52 E-AC-3
flac	FLAC (Free Lossless Audio Codec)
g723_1	G.723.1
libilbc	iLBC (Internet Low Bitrate Codec) (codec ilbc)
mp2	MP2 (MPEG audio layer 2)
libmp3lame	libmp3lame MP3 (MPEG audio layer 3) (codec mp3)
nellymoser	Nellymoser Asao
pcm_alaw	PCM A-law / G.711 A-law
pcm_f32be	PCM 32-bit floating point big-endian
pcm_f32le	PCM 32-bit floating point little-endian
pcm_f64be	PCM 64-bit floating point big-endian
pcm_f64le	PCM 64-bit floating point little-endian
pcm_mulaw	PCM mu-law / G.711 mu-law
pcm_s16be	PCM signed 16-bit big-endian
pcm_s16be_planar	PCM signed 16-bit big-endian planar
pcm_s16le	PCM signed 16-bit little-endian
pcm_s16le_planar	PCM signed 16-bit little-endian planar
pcm_s24be	PCM signed 24-bit big-endian
pcm_s24daud	PCM D-Cinema audio signed 24-bit
pcm_s24le	PCM signed 24-bit little-endian
pcm_s24le_planar	PCM signed 24-bit little-endian planar
pcm_s32be	PCM signed 32-bit big-endian
pcm_s32le	PCM signed 32-bit little-endian
pcm_s32le_planar	PCM signed 32-bit little-endian planar
pcm_s8	CM signed 8-bit
pcm_s8_planar	PCM signed 8-bit planar
pcm_u16be	PCM unsigned 16-bit big-endian
pcm_u16le	PCM unsigned 16-bit little-endian
pcm_u24be	PCM unsigned 24-bit big-endian
pcm_u24le	PCM unsigned 24-bit little-endian
pcm_u32be	PCM unsigned 32-bit big-endian
pcm_u32le	PCM unsigned 32-bit little-endian
pcm_u8	PCM unsigned 8-bit
real_144	RealAudio 1.0 (14.4K) (codec ra_144)
roq_dpcm	id RoQ DPCM
s302m	SMPTE 302M
sonic	Sonic
sonicls	Sonic lossless
tta	TTA (True Audio)
vorbis	Vorbis
libvorbis	ibvorbis (codec vorbis)
wavpack	无损音频压缩格式
wmav1	Windows Media Audio 1
wmav2	Windows Media Audio 2
copy	编码同原始音频

可以用 ffmpeg -encoders来查：

D:\ffmpeg7-win32-static\bin>ffmpeg -encoders  

ffmpeg version N-49044-g89afa63 Copyright (c) 2000-2013 the FFmpeg developers  

  built on Jan 19 2013 20:36:06 with gcc 4.7.2 (GCC)  

  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --en  

  libavutil      52. 15.100 / 52. 15.100  

  libavcodec     54. 89.100 / 54. 89.100  

  libavformat    54. 61.101 / 54. 61.101  

  libavdevice    54.  3.102 / 54.  3.102  

  libavfilter     3. 32.101 /  3. 32.101  

  libswscale      2.  2.100 /  2.  2.100  

..........

 

audioEncoders	description
aac	AAC (Advanced Audio Coding)
libfaac
ac3	ATSC A/52A (AC-3)
ac3_fixed	ATSC A/52A (AC-3) (codec ac3)
adpcm_adx	SEGA CRI ADX ADPCM
g722	G.722 ADPCM (codec adpcm_g722)
g726	G.726 ADPCM (codec adpcm_g726)
adpcm_ima_qt	ADPCM IMA QuickTime
adpcm_ima_wav	ADPCM IMA WAV
adpcm_ms	ADPCM Microsoft
adpcm_swf	ADPCM Shockwave Flash
adpcm_yamaha	ADPCM Yamaha
alac	ALAC (Apple Lossless Audio Codec)
libopencore_amrnb	OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band) (codec amr_nb)
comfortnoise	RFC 3389 comfort noise generator
dca	DCA (DTS Coherent Acoustics) (codec dts)
eac3	ATSC A/52 E-AC-3
flac	FLAC (Free Lossless Audio Codec)
g723_1	G.723.1
libilbc	iLBC (Internet Low Bitrate Codec) (codec ilbc)
mp2	MP2 (MPEG audio layer 2)
libmp3lame	libmp3lame MP3 (MPEG audio layer 3) (codec mp3)
nellymoser	Nellymoser Asao
pcm_alaw	PCM A-law / G.711 A-law
pcm_f32be	PCM 32-bit floating point big-endian
pcm_f32le	PCM 32-bit floating point little-endian
pcm_f64be	PCM 64-bit floating point big-endian
pcm_f64le	PCM 64-bit floating point little-endian
pcm_mulaw	PCM mu-law / G.711 mu-law
pcm_s16be	PCM signed 16-bit big-endian
pcm_s16be_planar	PCM signed 16-bit big-endian planar
pcm_s16le	PCM signed 16-bit little-endian
pcm_s16le_planar	PCM signed 16-bit little-endian planar
pcm_s24be	PCM signed 24-bit big-endian
pcm_s24daud	PCM D-Cinema audio signed 24-bit
pcm_s24le	PCM signed 24-bit little-endian
pcm_s24le_planar	PCM signed 24-bit little-endian planar
pcm_s32be	PCM signed 32-bit big-endian
pcm_s32le	PCM signed 32-bit little-endian
pcm_s32le_planar	PCM signed 32-bit little-endian planar
pcm_s8	CM signed 8-bit
pcm_s8_planar	PCM signed 8-bit planar
pcm_u16be	PCM unsigned 16-bit big-endian
pcm_u16le	PCM unsigned 16-bit little-endian
pcm_u24be	PCM unsigned 24-bit big-endian
pcm_u24le	PCM unsigned 24-bit little-endian
pcm_u32be	PCM unsigned 32-bit big-endian
pcm_u32le	PCM unsigned 32-bit little-endian
pcm_u8	PCM unsigned 8-bit
real_144	RealAudio 1.0 (14.4K) (codec ra_144)
roq_dpcm	id RoQ DPCM
s302m	SMPTE 302M
sonic	Sonic
sonicls	Sonic lossless
tta	TTA (True Audio)
vorbis	Vorbis
libvorbis	ibvorbis (codec vorbis)
wavpack	无损音频压缩格式
wmav1	Windows Media Audio 1
wmav2	Windows Media Audio 2
copy	编码同原始音频