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：

audioEncodersdescription

aacAAC (Advanced Audio Coding)

libfaac

ac3ATSC A/52A (AC-3)

ac3_fixedATSC A/52A (AC-3) (codec ac3)

adpcm_adxSEGA CRI ADX ADPCM

g722G.722 ADPCM (codec adpcm_g722)

g726G.726 ADPCM (codec adpcm_g726)

adpcm_ima_qtADPCM IMA QuickTime

adpcm_ima_wavADPCM IMA WAV

adpcm_msADPCM Microsoft

adpcm_swfADPCM Shockwave Flash

adpcm_yamahaADPCM Yamaha

alacALAC (Apple Lossless Audio Codec)

libopencore_amrnbOpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band) (codec amr_nb)

comfortnoiseRFC 3389 comfort noise generator

dcaDCA (DTS Coherent Acoustics) (codec dts)

eac3ATSC A/52 E-AC-3

flacFLAC (Free Lossless Audio Codec)

g723_1G.723.1

libilbciLBC (Internet Low Bitrate Codec) (codec ilbc)

mp2MP2 (MPEG audio layer 2)

libmp3lamelibmp3lame MP3 (MPEG audio layer 3) (codec mp3)

nellymoserNellymoser Asao

pcm_alawPCM A-law / G.711 A-law

pcm_f32bePCM 32-bit floating point big-endian

pcm_f32lePCM 32-bit floating point little-endian

pcm_f64bePCM 64-bit floating point big-endian

pcm_f64lePCM 64-bit floating point little-endian

pcm_mulawPCM mu-law / G.711 mu-law

pcm_s16bePCM signed 16-bit big-endian

pcm_s16be_planarPCM signed 16-bit big-endian planar

pcm_s16lePCM signed 16-bit little-endian

pcm_s16le_planarPCM signed 16-bit little-endian planar

pcm_s24bePCM signed 24-bit big-endian

pcm_s24daudPCM D-Cinema audio signed 24-bit

pcm_s24lePCM signed 24-bit little-endian

pcm_s24le_planarPCM signed 24-bit little-endian planar

pcm_s32bePCM signed 32-bit big-endian

pcm_s32lePCM signed 32-bit little-endian

pcm_s32le_planarPCM signed 32-bit little-endian planar

pcm_s8CM signed 8-bit

pcm_s8_planarPCM signed 8-bit planar

pcm_u16bePCM unsigned 16-bit big-endian

pcm_u16lePCM unsigned 16-bit little-endian

pcm_u24bePCM unsigned 24-bit big-endian

pcm_u24lePCM unsigned 24-bit little-endian

pcm_u32bePCM unsigned 32-bit big-endian

pcm_u32lePCM unsigned 32-bit little-endian

pcm_u8PCM unsigned 8-bit

real_144RealAudio 1.0 (14.4K) (codec ra_144)

roq_dpcmid RoQ DPCM

s302mSMPTE 302M

sonicSonic

soniclsSonic lossless

ttaTTA (True Audio)

vorbisVorbis

libvorbisibvorbis (codec vorbis)

wavpack无损音频压缩格式

wmav1Windows Media Audio 1

wmav2Windows 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

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

..........