ffmpeg转换视频编码

1.运行ffmpeg -codecs查看支持的编码器

# ffmpeg -codecs
ffmpeg version N-103222-gf040c1e Copyright (c) 2000-2021 the FFmpeg developersbuilt with gcc 4.9.2 (Debian 4.9.2-10+deb8u2)configuration: --enable-libx265 --enable-libx264 --enable-gpllibavutil      57.  3.100 / 57.  3.100libavcodec     59.  4.101 / 59.  4.101libavformat    59.  4.101 / 59.  4.101libavdevice    59.  0.100 / 59.  0.100libavfilter     8.  1.103 /  8.  1.103libswscale      6.  0.100 /  6.  0.100libswresample   4.  0.100 /  4.  0.100libpostproc    56.  0.100 / 56.  0.100
Codecs:D..... = Decoding supported.E.... = Encoding supported..V... = Video codec..A... = Audio codec..S... = Subtitle codec...I.. = Intra frame-only codec....L. = Lossy compression.....S = Lossless compression-------D.VI.S 012v                 Uncompressed 4:2:2 10-bitD.V.L. 4xm                  4X MovieD.VI.S 8bps                 QuickTime 8BPS video.EVIL. a64_multi            Multicolor charset for Commodore 64 (encoders: a64multi ).EVIL. a64_multi5           Multicolor charset for Commodore 64, extended with 5th color (colram) (encoders: a64multi5 )D.V..S aasc                 Autodesk RLED.V.L. agm                  Amuse Graphics MovieD.VIL. aic                  Apple Intermediate CodecDEVI.S alias_pix            Alias/Wavefront PIX imageDEVIL. amv                  AMV VideoD.V.L. anm                  Deluxe Paint AnimationD.V.L. ansi                 ASCII/ANSI artDEV..S apng                 APNG (Animated Portable Network Graphics) imageD.V.L. arbc                 Gryphon's Anim CompressorD.V.L. argo                 Argonaut Games VideoDEVIL. asv1                 ASUS V1DEVIL. asv2                 ASUS V2D.VIL. aura                 Auravision AURAD.VIL. aura2                Auravision Aura 2D.V.L. av1                  Alliance for Open Media AV1D.V... avrn                 Avid AVI CodecDEVI.S avrp                 Avid 1:1 10-bit RGB PackerD.V.L. avs                  AVS (Audio Video Standard) video..V.L. avs2                 AVS2-P2/IEEE1857.4..V.L. avs3                 AVS3-P2/IEEE1857.10DEVI.S avui                 Avid Meridien UncompressedDEVI.S ayuv                 Uncompressed packed MS 4:4:4:4D.V.L. bethsoftvid          Bethesda VID videoD.V.L. bfi                  Brute Force & IgnoranceD.V.L. binkvideo            Bink videoD.VI.. bintext              Binary textD.VI.S bitpacked            BitpackedDEVI.S bmp                  BMP (Windows and OS/2 bitmap)D.V..S bmv_video            Discworld II BMV videoD.VI.S brender_pix          BRender PIX imageD.V.L. c93                  Interplay C93D.V.L. cavs                 Chinese AVS (Audio Video Standard) (AVS1-P2, JiZhun profile)D.V.L. cdgraphics           CD Graphics videoD.V..S cdtoons              CDToons videoD.VIL. cdxl                 Commodore CDXL videoDEV.L. cfhd                 GoPro CineForm HDDEV.L. cinepak              CinepakD.V.L. clearvideo           Iterated Systems ClearVideoDEVIL. cljr                 Cirrus Logic AccuPakD.VI.S cllc                 Canopus Lossless CodecD.V.L. cmv                  Electronic Arts CMV video (decoders: eacmv )D.V... cpia                 CPiA video formatD.VILS cri                  Cintel RAWD.V..S cscd                 CamStudio (decoders: camstudio )D.VIL. cyuv                 Creative YUV (CYUV)..V.LS daala                DaalaD.VILS dds                  DirectDraw Surface image decoderD.V.L. dfa                  Chronomaster DFADEV.LS dirac                Dirac (encoders: vc2 )DEVIL. dnxhd                VC3/DNxHDDEVI.S dpx                  DPX (Digital Picture Exchange) imageD.V.L. dsicinvideo          Delphine Software International CIN videoDEVIL. dvvideo              DV (Digital Video)D.V..S dxa                  Feeble Files/ScummVM DXAD.VI.S dxtory               DxtoryD.VIL. dxv                  Resolume DXVD.V.L. escape124            Escape 124D.V.L. escape130            Escape 130DEVILS exr                  OpenEXR imageDEV..S ffv1                 FFmpeg video codec #1DEVI.S ffvhuff              Huffyuv FFmpeg variantD.V.L. fic                  Mirillis FICDEVI.S fits                 FITS (Flexible Image Transport System)DEV..S flashsv              Flash Screen Video v1DEV.L. flashsv2             Flash Screen Video v2D.V..S flic                 Autodesk Animator Flic videoDEV.L. flv1                 FLV / Sorenson Spark / Sorenson H.263 (Flash Video) (decoders: flv ) (encoders: flv )D.V..S fmvc                 FM Screen Capture CodecD.VI.S fraps                FrapsD.VI.S frwu                 Forward UncompressedD.V.L. g2m                  Go2MeetingD.V.L. gdv                  Gremlin Digital VideoDEV..S gif                  CompuServe GIF (Graphics Interchange Format)DEV.L. h261                 H.261DEV.L. h263                 H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2D.V.L. h263i                Intel H.263DEV.L. h263p                H.263+ / H.263-1998 / H.263 version 2DEV.LS h264                 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (encoders: libx264 libx264rgb )D.VIL. hap                  Vidvox HapDEV.L. hevc                 H.265 / HEVC (High Efficiency Video Coding) (encoders: libx265 )D.V.L. hnm4video            HNM 4 videoD.VIL. hq_hqa               Canopus HQ/HQAD.VIL. hqx                  Canopus HQXDEVI.S huffyuv              HuffYUVD.VI.S hymt                 HuffYUV MTD.V.L. idcin                id Quake II CIN video (decoders: idcinvideo )D.VI.. idf                  iCEDraw textD.V.L. iff_ilbm             IFF ACBM/ANIM/DEEP/ILBM/PBM/RGB8/RGBN (decoders: iff )D.V.L. imm4                 Infinity IMM4D.V.L. imm5                 Infinity IMM5D.V.L. indeo2               Intel Indeo 2D.V.L. indeo3               Intel Indeo 3D.V.L. indeo4               Intel Indeo Video Interactive 4D.V.L. indeo5               Intel Indeo Video Interactive 5D.V.L. interplayvideo       Interplay MVE videoD.VIL. ipu                  IPU VideoDEVILS jpeg2000             JPEG 2000DEVILS jpegls               JPEG-LSD.VIL. jv                   Bitmap Brothers JV videoD.V.L. kgv1                 Kega Game VideoD.V.L. kmvc                 Karl Morton's video codecD.VI.S lagarith             Lagarith lossless.EVI.S ljpeg                Lossless JPEGD.VI.S loco                 LOCOD.V.L. lscr                 LEAD Screen CaptureD.VI.S m101                 Matrox Uncompressed SDD.V.L. mad                  Electronic Arts Madcow Video (decoders: eamad )DEVI.S magicyuv             MagicYUV videoD.VIL. mdec                 Sony PlayStation MDEC (Motion DECoder)D.V.L. mimic                MimicDEVIL. mjpeg                Motion JPEGD.VIL. mjpegb               Apple MJPEG-BD.V.L. mmvideo              American Laser Games MM VideoD.V.L. mobiclip             MobiClip VideoD.V.L. motionpixels         Motion Pixels videoDEV.L. mpeg1video           MPEG-1 videoDEV.L. mpeg2video           MPEG-2 video (decoders: mpeg2video mpegvideo )DEV.L. mpeg4                MPEG-4 part 2D.V.L. msa1                 MS ATC ScreenD.VI.S mscc                 Mandsoft Screen Capture CodecD.V.L. msmpeg4v1            MPEG-4 part 2 Microsoft variant version 1DEV.L. msmpeg4v2            MPEG-4 part 2 Microsoft variant version 2DEV.L. msmpeg4v3            MPEG-4 part 2 Microsoft variant version 3 (decoders: msmpeg4 ) (encoders: msmpeg4 )D.VI.S msp2                 Microsoft Paint (MSP) version 2D.V..S msrle                Microsoft RLED.V.L. mss1                 MS Screen 1D.VIL. mss2                 MS Windows Media Video V9 ScreenDEV.L. msvideo1             Microsoft Video 1D.VI.S mszh                 LCL (LossLess Codec Library) MSZHD.V.L. mts2                 MS Expression Encoder ScreenD.V.L. mv30                 MidiVid 3.0D.VIL. mvc1                 Silicon Graphics Motion Video Compressor 1D.VIL. mvc2                 Silicon Graphics Motion Video Compressor 2D.V.L. mvdv                 MidiVid VQD.VIL. mvha                 MidiVid Archive CodecD.V..S mwsc                 MatchWare Screen Capture CodecD.V.L. mxpeg                Mobotix MxPEG videoD.VIL. notchlc              NotchLCD.V.L. nuv                  NuppelVideo/RTJPEGD.V.L. paf_video            Amazing Studio Packed Animation File VideoDEVI.S pam                  PAM (Portable AnyMap) imageDEVI.S pbm                  PBM (Portable BitMap) imageDEVI.S pcx                  PC Paintbrush PCX imageDEVI.S pfm                  PFM (Portable FloatMap) imageDEVI.S pgm                  PGM (Portable GrayMap) imageDEVI.S pgmyuv               PGMYUV (Portable GrayMap YUV) imageD.VI.S pgx                  PGX (JPEG2000 Test Format)D.V.L. photocd              Kodak Photo CDD.VIL. pictor               Pictor/PC PaintD.VIL. pixlet               Apple PixletDEV..S png                  PNG (Portable Network Graphics) imageDEVI.S ppm                  PPM (Portable PixelMap) imageDEVIL. prores               Apple ProRes (iCodec Pro) (encoders: prores prores_aw prores_ks )D.VIL. prosumer             Brooktree ProSumer VideoD.VI.S psd                  Photoshop PSD fileD.VIL. ptx                  V.Flash PTX imageD.VI.S qdraw                Apple QuickDrawD.V.L. qpeg                 Q-team QPEGDEV..S qtrle                QuickTime Animation (RLE) videoDEVI.S r10k                 AJA Kona 10-bit RGB CodecDEVI.S r210                 Uncompressed RGB 10-bitD.V.L. rasc                 RemotelyAnywhere Screen CaptureDEVI.S rawvideo             raw videoD.VIL. rl2                  RL2 videoDEV.L. roq                  id RoQ video (decoders: roqvideo ) (encoders: roqvideo )DEV.L. rpza                 QuickTime video (RPZA)D.V..S rscc                 innoHeim/Rsupport Screen Capture CodecDEV.L. rv10                 RealVideo 1.0DEV.L. rv20                 RealVideo 2.0D.V.L. rv30                 RealVideo 3.0D.V.L. rv40                 RealVideo 4.0D.V.L. sanm                 LucasArts SANM/SMUSH videoD.V.LS scpr                 ScreenPressorD.V..S screenpresso         ScreenpressoD.V.L. sga                  Digital Pictures SGA VideoDEVI.S sgi                  SGI imageD.VI.S sgirle               SGI RLE 8-bitD.VI.S sheervideo           BitJazz SheerVideoD.V.L. simbiosis_imx        Simbiosis Interactive IMX VideoD.V.L. smackvideo           Smacker video (decoders: smackvid )D.V.L. smc                  QuickTime Graphics (SMC)D.VIL. smvjpeg              Sigmatel Motion VideoDEV.LS snow                 SnowD.VIL. sp5x                 Sunplus JPEG (SP5X)DEVIL. speedhq              NewTek SpeedHQD.VI.S srgc                 Screen Recorder Gold CodecDEVI.S sunrast              Sun Rasterfile image..V..S svg                  Scalable Vector GraphicsDEV.L. svq1                 Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1D.V.L. svq3                 Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3DEVI.S targa                Truevision Targa imageD.VI.S targa_y216           Pinnacle TARGA CineWave YUV16D.V.L. tdsc                 TDSCD.V.L. tgq                  Electronic Arts TGQ video (decoders: eatgq )D.V.L. tgv                  Electronic Arts TGV video (decoders: eatgv )D.V.L. theora               TheoraD.VIL. thp                  Nintendo Gamecube THP videoD.V.L. tiertexseqvideo      Tiertex Limited SEQ videoDEVI.S tiff                 TIFF imageD.VIL. tmv                  8088flex TMVD.V.L. tqi                  Electronic Arts TQI video (decoders: eatqi )D.V.L. truemotion1          Duck TrueMotion 1.0D.V.L. truemotion2          Duck TrueMotion 2.0D.VIL. truemotion2rt        Duck TrueMotion 2.0 Real TimeD.V..S tscc                 TechSmith Screen Capture Codec (decoders: camtasia )D.V.L. tscc2                TechSmith Screen Codec 2D.VIL. txd                  Renderware TXD (TeXture Dictionary) imageD.V.L. ulti                 IBM UltiMotion (decoders: ultimotion )DEVI.S utvideo              Ut VideoDEVI.S v210                 Uncompressed 4:2:2 10-bitD.VI.S v210x                Uncompressed 4:2:2 10-bitDEVI.S v308                 Uncompressed packed 4:4:4DEVI.S v408                 Uncompressed packed QT 4:4:4:4DEVI.S v410                 Uncompressed 4:4:4 10-bitD.V.L. vb                   Beam Software VBD.VI.S vble                 VBLE Lossless CodecD.V.L. vc1                  SMPTE VC-1D.V.L. vc1image             Windows Media Video 9 Image v2D.VIL. vcr1                 ATI VCR1D.VIL. vixl                 Miro VideoXL (decoders: xl )D.V.L. vmdvideo             Sierra VMD videoD.V..S vmnc                 VMware Screen Codec / VMware VideoD.V.L. vp3                  On2 VP3D.V.L. vp4                  On2 VP4D.V.L. vp5                  On2 VP5D.V.L. vp6                  On2 VP6D.V.L. vp6a                 On2 VP6 (Flash version, with alpha channel)D.V.L. vp6f                 On2 VP6 (Flash version)D.V.L. vp7                  On2 VP7D.V.L. vp8                  On2 VP8D.V.L. vp9                  Google VP9..V.L. vvc                  H.266 / VVC (Versatile Video Coding)D.V..S wcmv                 WinCAM Motion VideoD.VILS webp                 WebPDEV.L. wmv1                 Windows Media Video 7DEV.L. wmv2                 Windows Media Video 8D.V.L. wmv3                 Windows Media Video 9D.V.L. wmv3image            Windows Media Video 9 ImageD.VIL. wnv1                 Winnov WNV1DEV..S wrapped_avframe      AVFrame to AVPacket passthroughD.V.L. ws_vqa               Westwood Studios VQA (Vector Quantized Animation) video (decoders: vqavideo )D.V.L. xan_wc3              Wing Commander III / XanD.V.L. xan_wc4              Wing Commander IV / XxanD.VI.. xbin                 eXtended BINary textDEVI.S xbm                  XBM (X BitMap) imageDEVIL. xface                X-face imageD.VI.S xpm                  XPM (X PixMap) imageDEVI.S xwd                  XWD (X Window Dump) imageDEVI.S y41p                 Uncompressed YUV 4:1:1 12-bitD.VI.S ylc                  YUY2 Lossless CodecD.V.L. yop                  Psygnosis YOP VideoDEVI.S yuv4                 Uncompressed packed 4:2:0D.V..S zerocodec            ZeroCodec Lossless VideoDEVI.S zlib                 LCL (LossLess Codec Library) ZLIBDEV..S zmbv                 Zip Motion Blocks Video..AIL. 4gv                  4GV (Fourth Generation Vocoder)D.AIL. 8svx_exp             8SVX exponentialD.AIL. 8svx_fib             8SVX fibonacciDEAIL. aac                  AAC (Advanced Audio Coding) (decoders: aac aac_fixed )D.AIL. aac_latm             AAC LATM (Advanced Audio Coding LATM syntax)DEAIL. ac3                  ATSC A/52A (AC-3) (decoders: ac3 ac3_fixed ) (encoders: ac3 ac3_fixed )D.AIL. acelp.kelvin         Sipro ACELP.KELVIND.AIL. adpcm_4xm            ADPCM 4X MovieDEAIL. adpcm_adx            SEGA CRI ADX ADPCMD.AIL. adpcm_afc            ADPCM Nintendo Gamecube AFCD.AIL. adpcm_agm            ADPCM AmuseGraphics Movie AGMD.AIL. adpcm_aica           ADPCM Yamaha AICADEAIL. adpcm_argo           ADPCM Argonaut GamesD.AIL. adpcm_ct             ADPCM Creative TechnologyD.AIL. adpcm_dtk            ADPCM Nintendo Gamecube DTKD.AIL. adpcm_ea             ADPCM Electronic ArtsD.AIL. adpcm_ea_maxis_xa    ADPCM Electronic Arts Maxis CDROM XAD.AIL. adpcm_ea_r1          ADPCM Electronic Arts R1D.AIL. adpcm_ea_r2          ADPCM Electronic Arts R2D.AIL. adpcm_ea_r3          ADPCM Electronic Arts R3D.AIL. adpcm_ea_xas         ADPCM Electronic Arts XASDEAIL. adpcm_g722           G.722 ADPCM (decoders: g722 ) (encoders: g722 )DEAIL. adpcm_g726           G.726 ADPCM (decoders: g726 ) (encoders: g726 )DEAIL. adpcm_g726le         G.726 ADPCM little-endian (decoders: g726le ) (encoders: g726le )D.AIL. adpcm_ima_acorn      ADPCM IMA Acorn ReplayDEAIL. adpcm_ima_alp        ADPCM IMA High Voltage Software ALPDEAIL. adpcm_ima_amv        ADPCM IMA AMVD.AIL. adpcm_ima_apc        ADPCM IMA CRYO APCDEAIL. adpcm_ima_apm        ADPCM IMA Ubisoft APMD.AIL. adpcm_ima_cunning    ADPCM IMA Cunning DevelopmentsD.AIL. adpcm_ima_dat4       ADPCM IMA Eurocom DAT4D.AIL. adpcm_ima_dk3        ADPCM IMA Duck DK3D.AIL. adpcm_ima_dk4        ADPCM IMA Duck DK4D.AIL. adpcm_ima_ea_eacs    ADPCM IMA Electronic Arts EACSD.AIL. adpcm_ima_ea_sead    ADPCM IMA Electronic Arts SEADD.AIL. adpcm_ima_iss        ADPCM IMA Funcom ISSD.AIL. adpcm_ima_moflex     ADPCM IMA MobiClip MOFLEXD.AIL. adpcm_ima_mtf        ADPCM IMA Capcom's MT FrameworkD.AIL. adpcm_ima_oki        ADPCM IMA Dialogic OKIDEAIL. adpcm_ima_qt         ADPCM IMA QuickTimeD.AIL. adpcm_ima_rad        ADPCM IMA RadicalD.AIL. adpcm_ima_smjpeg     ADPCM IMA Loki SDL MJPEGDEAIL. adpcm_ima_ssi        ADPCM IMA Simon & Schuster InteractiveDEAIL. adpcm_ima_wav        ADPCM IMA WAVDEAIL. adpcm_ima_ws         ADPCM IMA WestwoodDEAIL. adpcm_ms             ADPCM MicrosoftD.AIL. adpcm_mtaf           ADPCM MTAFD.AIL. adpcm_psx            ADPCM PlaystationD.AIL. adpcm_sbpro_2        ADPCM Sound Blaster Pro 2-bitD.AIL. adpcm_sbpro_3        ADPCM Sound Blaster Pro 2.6-bitD.AIL. adpcm_sbpro_4        ADPCM Sound Blaster Pro 4-bitDEAIL. adpcm_swf            ADPCM Shockwave FlashD.AIL. adpcm_thp            ADPCM Nintendo THPD.AIL. adpcm_thp_le         ADPCM Nintendo THP (Little-Endian)D.AIL. adpcm_vima           LucasArts VIMA audioD.AIL. adpcm_xa             ADPCM CDROM XADEAIL. adpcm_yamaha         ADPCM YamahaD.AIL. adpcm_zork           ADPCM ZorkDEAI.S alac                 ALAC (Apple Lossless Audio Codec)D.AIL. amr_nb               AMR-NB (Adaptive Multi-Rate NarrowBand) (decoders: amrnb )D.AIL. amr_wb               AMR-WB (Adaptive Multi-Rate WideBand) (decoders: amrwb )D.AI.S ape                  Monkey's AudioDEAIL. aptx                 aptX (Audio Processing Technology for Bluetooth)DEAIL. aptx_hd              aptX HD (Audio Processing Technology for Bluetooth)D.AIL. atrac1               ATRAC1 (Adaptive TRansform Acoustic Coding)D.AIL. atrac3               ATRAC3 (Adaptive TRansform Acoustic Coding 3)D.AI.S atrac3al             ATRAC3 AL (Adaptive TRansform Acoustic Coding 3 Advanced Lossless)D.AIL. atrac3p              ATRAC3+ (Adaptive TRansform Acoustic Coding 3+) (decoders: atrac3plus )D.AI.S atrac3pal            ATRAC3+ AL (Adaptive TRansform Acoustic Coding 3+ Advanced Lossless) (decoders: atrac3plusal )D.AIL. atrac9               ATRAC9 (Adaptive TRansform Acoustic Coding 9)D.AIL. avc                  On2 Audio for Video Codec (decoders: on2avc )D.AIL. binkaudio_dct        Bink Audio (DCT)D.AIL. binkaudio_rdft       Bink Audio (RDFT)D.AIL. bmv_audio            Discworld II BMV audio..AIL. celt                 Constrained Energy Lapped Transform (CELT)..AIL. codec2               codec2 (very low bitrate speech codec)DEAIL. comfortnoise         RFC 3389 Comfort NoiseD.AIL. cook                 Cook / Cooker / Gecko (RealAudio G2)D.AIL. derf_dpcm            DPCM Xilam DERFD.AIL. dolby_e              Dolby ED.AIL. dsd_lsbf             DSD (Direct Stream Digital), least significant bit firstD.AIL. dsd_lsbf_planar      DSD (Direct Stream Digital), least significant bit first, planarD.AIL. dsd_msbf             DSD (Direct Stream Digital), most significant bit firstD.AIL. dsd_msbf_planar      DSD (Direct Stream Digital), most significant bit first, planarD.AIL. dsicinaudio          Delphine Software International CIN audioD.AIL. dss_sp               Digital Speech Standard - Standard Play mode (DSS SP)D.AI.S dst                  DST (Direct Stream Transfer)DEAILS dts                  DCA (DTS Coherent Acoustics) (decoders: dca ) (encoders: dca )D.AIL. dvaudio              DV audioDEAIL. eac3                 ATSC A/52B (AC-3, E-AC-3)D.AIL. evrc                 EVRC (Enhanced Variable Rate Codec)D.AIL. fastaudio            MobiClip FastAudioDEAI.S flac                 FLAC (Free Lossless Audio Codec)DEAIL. g723_1               G.723.1D.AIL. g729                 G.729D.AIL. gremlin_dpcm         DPCM GremlinD.AIL. gsm                  GSMD.AIL. gsm_ms               GSM Microsoft variantD.AIL. hca                  CRI HCAD.AIL. hcom                 HCOM AudioD.AIL. iac                  IAC (Indeo Audio Coder)D.AIL. ilbc                 iLBC (Internet Low Bitrate Codec)D.AIL. imc                  IMC (Intel Music Coder)D.AIL. interplay_dpcm       DPCM InterplayD.AIL. interplayacm         Interplay ACMD.AIL. mace3                MACE (Macintosh Audio Compression/Expansion) 3:1D.AIL. mace6                MACE (Macintosh Audio Compression/Expansion) 6:1D.AIL. metasound            Voxware MetaSoundDEAI.S mlp                  MLP (Meridian Lossless Packing)D.AIL. mp1                  MP1 (MPEG audio layer 1) (decoders: mp1 mp1float )DEAIL. mp2                  MP2 (MPEG audio layer 2) (decoders: mp2 mp2float ) (encoders: mp2 mp2fixed )D.AIL. mp3                  MP3 (MPEG audio layer 3) (decoders: mp3float mp3 )D.AIL. mp3adu               ADU (Application Data Unit) MP3 (MPEG audio layer 3) (decoders: mp3adufloat mp3adu )D.AIL. mp3on4               MP3onMP4 (decoders: mp3on4float mp3on4 )D.AI.S mp4als               MPEG-4 Audio Lossless Coding (ALS) (decoders: als )..A.L. mpegh_3d_audio       MPEG-H 3D AudioD.AIL. musepack7            Musepack SV7 (decoders: mpc7 )D.AIL. musepack8            Musepack SV8 (decoders: mpc8 )DEAIL. nellymoser           Nellymoser AsaoDEAIL. opus                 Opus (Opus Interactive Audio Codec)D.AIL. paf_audio            Amazing Studio Packed Animation File AudioDEAIL. pcm_alaw             PCM A-law / G.711 A-lawD.AI.S pcm_bluray           PCM signed 16|20|24-bit big-endian for Blu-ray mediaDEAI.S pcm_dvd              PCM signed 20|24-bit big-endianD.AI.S pcm_f16le            PCM 16.8 floating point little-endianD.AI.S pcm_f24le            PCM 24.0 floating point little-endianDEAI.S pcm_f32be            PCM 32-bit floating point big-endianDEAI.S pcm_f32le            PCM 32-bit floating point little-endianDEAI.S pcm_f64be            PCM 64-bit floating point big-endianDEAI.S pcm_f64le            PCM 64-bit floating point little-endianD.AI.S pcm_lxf              PCM signed 20-bit little-endian planarDEAIL. pcm_mulaw            PCM mu-law / G.711 mu-lawDEAI.S pcm_s16be            PCM signed 16-bit big-endianDEAI.S pcm_s16be_planar     PCM signed 16-bit big-endian planarDEAI.S pcm_s16le            PCM signed 16-bit little-endianDEAI.S pcm_s16le_planar     PCM signed 16-bit little-endian planarDEAI.S pcm_s24be            PCM signed 24-bit big-endianDEAI.S pcm_s24daud          PCM D-Cinema audio signed 24-bitDEAI.S pcm_s24le            PCM signed 24-bit little-endianDEAI.S pcm_s24le_planar     PCM signed 24-bit little-endian planarDEAI.S pcm_s32be            PCM signed 32-bit big-endianDEAI.S pcm_s32le            PCM signed 32-bit little-endianDEAI.S pcm_s32le_planar     PCM signed 32-bit little-endian planarDEAI.S pcm_s64be            PCM signed 64-bit big-endianDEAI.S pcm_s64le            PCM signed 64-bit little-endianDEAI.S pcm_s8               PCM signed 8-bitDEAI.S pcm_s8_planar        PCM signed 8-bit planarD.AI.S pcm_sga              PCM SGADEAI.S pcm_u16be            PCM unsigned 16-bit big-endianDEAI.S pcm_u16le            PCM unsigned 16-bit little-endianDEAI.S pcm_u24be            PCM unsigned 24-bit big-endianDEAI.S pcm_u24le            PCM unsigned 24-bit little-endianDEAI.S pcm_u32be            PCM unsigned 32-bit big-endianDEAI.S pcm_u32le            PCM unsigned 32-bit little-endianDEAI.S pcm_u8               PCM unsigned 8-bitDEAIL. pcm_vidc             PCM Archimedes VIDCD.AIL. qcelp                QCELP / PureVoiceD.AIL. qdm2                 QDesign Music Codec 2D.AIL. qdmc                 QDesign MusicDEAIL. ra_144               RealAudio 1.0 (14.4K) (decoders: real_144 ) (encoders: real_144 )D.AIL. ra_288               RealAudio 2.0 (28.8K) (decoders: real_288 )D.AI.S ralf                 RealAudio LosslessDEAIL. roq_dpcm             DPCM id RoQDEAI.S s302m                SMPTE 302MDEAIL. sbc                  SBC (low-complexity subband codec)D.AIL. sdx2_dpcm            DPCM Squareroot-Delta-ExactD.AI.S shorten              ShortenD.AIL. sipr                 RealAudio SIPR / ACELP.NETD.AIL. siren                SirenD.AIL. smackaudio           Smacker audio (decoders: smackaud )..AIL. smv                  SMV (Selectable Mode Vocoder)D.AIL. sol_dpcm             DPCM SolDEAI.. sonic                Sonic.EAI.. sonicls              Sonic lossless..AIL. speex                SpeexD.A..S tak                  TAK (Tom's lossless Audio Kompressor)DEA..S truehd               TrueHDD.AIL. truespeech           DSP Group TrueSpeechDEAI.S tta                  TTA (True Audio)D.AIL. twinvq               VQF TwinVQD.AIL. vmdaudio             Sierra VMD audioDEAIL. vorbis               VorbisD.AI.. wavesynth            Wave synthesis pseudo-codecDEAILS wavpack              WavPackD.AIL. westwood_snd1        Westwood Audio (SND1) (decoders: ws_snd1 )D.AI.S wmalossless          Windows Media Audio LosslessD.AIL. wmapro               Windows Media Audio 9 ProfessionalDEAIL. wmav1                Windows Media Audio 1DEAIL. wmav2                Windows Media Audio 2D.AIL. wmavoice             Windows Media Audio VoiceD.AIL. xan_dpcm             DPCM XanD.AIL. xma1                 Xbox Media Audio 1D.AIL. xma2                 Xbox Media Audio 2..D... bin_data             binary data..D... dvd_nav_packet       DVD Nav packet..D... epg                  Electronic Program Guide..D... klv                  SMPTE 336M Key-Length-Value (KLV) metadata..D... mpegts               raw MPEG-TS stream..D... otf                  OpenType font..D... scte_35              SCTE 35 Message Queue..D... timed_id3            timed ID3 metadata..D... ttf                  TrueType font..S... arib_caption         ARIB STD-B24 captionDES... ass                  ASS (Advanced SSA) subtitle (decoders: ssa ass ) (encoders: ssa ass )DES... dvb_subtitle         DVB subtitles (decoders: dvbsub ) (encoders: dvbsub )..S... dvb_teletext         DVB teletextDES... dvd_subtitle         DVD subtitles (decoders: dvdsub ) (encoders: dvdsub )D.S... eia_608              EIA-608 closed captions (decoders: cc_dec )D.S... hdmv_pgs_subtitle    HDMV Presentation Graphic Stream subtitles (decoders: pgssub )..S... hdmv_text_subtitle   HDMV Text subtitleD.S... jacosub              JACOsub subtitleD.S... microdvd             MicroDVD subtitleDES... mov_text             MOV textD.S... mpl2                 MPL2 subtitleD.S... pjs                  PJS (Phoenix Japanimation Society) subtitleD.S... realtext             RealText subtitleD.S... sami                 SAMI subtitle..S... srt                  SubRip subtitle with embedded timing..S... ssa                  SSA (SubStation Alpha) subtitleD.S... stl                  Spruce subtitle formatDES... subrip               SubRip subtitle (decoders: srt subrip ) (encoders: srt subrip )D.S... subviewer            SubViewer subtitleD.S... subviewer1           SubViewer v1 subtitleDES... text                 raw UTF-8 text.ES... ttml                 Timed Text Markup LanguageD.S... vplayer              VPlayer subtitleDES... webvtt               WebVTT subtitleDES... xsub                 XSUB

2.从上面列出的支持编码(.E.... = Encoding supported)中转换

比如：

ffmpeg -i video.mp4 -vcodec mpeg1video video-mpeg1.mp4

参考：

如何查看ffmpeg支持的编码器和封装格式 - youngt - 博客园 (cnblogs.com)

02.使用ffmpeg转换视频格式与编码 - 简书 (jianshu.com)

ffmpeg将视频转换编码格式_动哒APP—运动健康科技提供商-CSDN博客_ffmpeg 转换编码

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