⧅ffmpeg 全てのエンコード(ファイル生成)・デコード(ファイル読み込み)可能なファイル形式 新しいページはコチラ
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ffmpegのファイル形式を見ると、どれだけの人が圧縮のメカニズムを考えてきたか？そして、私の考えた圧縮方法が世界一だから標準であるべきだ！いや、標準じゃなくても私の考えたやつの方がすげぇからな！いや、そんなにソフトウェア著作権とか言うなら自分で作るわ！と争ってきたのだと思います。その結果がコレです。OSが乱立するのと同じだと思えばよいです。すべては自由競争なのです。複雑化していくのは仕方のないことです。いろんな味の料理屋さんがあるのと同じです。一番、オーソドックスな味はコレっていう感じのを決めているだけ、情報処理技術の機関は取り仕切っているなと思う。 | ffmpegのファイル形式を見ると、どれだけの人が圧縮のメカニズムを考えてきたか？そして、私の考えた圧縮方法が世界一だから標準であるべきだ！いや、標準じゃなくても私の考えたやつの方がすげぇからな！いや、そんなにソフトウェア著作権とか言うなら自分で作るわ！と争ってきたのだと思います。その結果がコレです。OSが乱立するのと同じだと思えばよいです。すべては自由競争なのです。複雑化していくのは仕方のないことです。いろんな味の料理屋さんがあるのと同じです。一番、オーソドックスな味はコレっていう感じのを決めているだけ、情報処理技術の機関は取り仕切っているなと思う。 | ||
| + | ==='''画像形式'''=== | ||
| + | <syntaxhighlight2 lang="text"> | ||
| + | </syntaxhighlight2> | ||
| + | ==='''オーディオ形式'''=== | ||
| + | <syntaxhighlight2 lang="text"> | ||
| + | _〇_8SVX exponential＃ | ||
| + | _〇_8SVX fibonacci＃ | ||
| + | 〇_〇_AAC＃encoding supported through internal encoder and external library libfdk-aac 拡張機能導入でエンコード対応 | ||
| + | ◎_I〇_AAC+＃encoding supported through external library libfdk-aac 拡張機能導入で対エンコード応 | ||
| + | I〇_I〇_AC-3＃ | ||
| + | _〇_ACELP.KELVIN＃ | ||
| + | _〇_ADPCM 4X Movie＃ | ||
| + | _〇_ADPCM Yamaha AICA＃ | ||
| + | _〇_ADPCM AmuseGraphics Movie＃ | ||
| + | 〇_〇_ADPCM Argonaut Games＃ | ||
| + | _〇_ADPCM CDROM XA＃ | ||
| + | _〇_ADPCM Creative Technology＃16 -> 4, 8 -> 4, 8 -> 3, 8 -> 2 | ||
| + | _〇_ADPCM Electronic Arts＃Used in various EA titles. | ||
| + | _〇_ADPCM Electronic Arts Maxis CDROM XS＃Used in Sim City 3000. | ||
| + | _〇_ADPCM Electronic Arts R1＃ | ||
| + | _〇_ADPCM Electronic Arts R2＃ | ||
| + | _〇_ADPCM Electronic Arts R3＃ | ||
| + | _〇_ADPCM Electronic Arts XAS＃ | ||
| + | 〇_〇_ADPCM G.722＃ | ||
| + | 〇_〇_ADPCM G.726＃ | ||
| + | 〇_〇_ADPCM IMA AMV＃Used in AMV files | ||
| + | _〇_ADPCM IMA Cunning Developments＃ | ||
| + | _〇_ADPCM IMA Electronic Arts EACS＃ | ||
| + | _〇_ADPCM IMA Electronic Arts SEAD＃ | ||
| + | _〇_ADPCM IMA Funcom＃ | ||
| + | 〇_〇_ADPCM IMA High Voltage Software ALP＃ | ||
| + | 〇_〇_ADPCM IMA QuickTime＃ | ||
| + | 〇_〇_ADPCM IMA Simon & Schuster Interactive＃ | ||
| + | 〇_〇_ADPCM IMA Ubisoft APM＃ | ||
| + | _〇_ADPCM IMA Loki SDL MJPEG＃ | ||
| + | 〇_〇_ADPCM IMA WAV＃ | ||
| + | _〇_ADPCM IMA Westwood＃ | ||
| + | _〇_ADPCM ISS IMA＃Used in FunCom games. | ||
| + | _〇_ADPCM IMA Dialogic＃ | ||
| + | _〇_ADPCM IMA Duck DK3＃Used in some Sega Saturn console games. | ||
| + | _〇_ADPCM IMA Duck DK4＃Used in some Sega Saturn console games. | ||
| + | _〇_ADPCM IMA Radical＃ | ||
| + | 〇_〇_ADPCM Microsoft＃ | ||
| + | 〇_〇_ADPCM MS IMA＃ | ||
| + | _〇_ADPCM Nintendo Gamecube AFC＃ | ||
| + | _〇_ADPCM Nintendo Gamecube DTK＃ | ||
| + | _〇_ADPCM Nintendo THP＃ | ||
| + | _〇_ADPCM Playstation＃ | ||
| + | 〇_〇_ADPCM QT IMA＃ | ||
| + | 〇_〇_ADPCM SEGA CRI ADX＃Used in Sega Dreamcast games. | ||
| + | 〇_〇_ADPCM Shockwave Flash＃ | ||
| + | _〇_ADPCM Sound Blaster Pro 2-bit＃ | ||
| + | _〇_ADPCM Sound Blaster Pro 2.6-bit＃ | ||
| + | _〇_ADPCM Sound Blaster Pro 4-bit＃ | ||
| + | _〇_ADPCM VIMA＃Used in LucasArts SMUSH animations. | ||
| + | _〇_ADPCM Westwood Studios IMA＃Used in Westwood Studios games like Command and Conquer. | ||
| + | 〇_〇_ADPCM Yamaha＃ | ||
| + | _〇_ADPCM Zork＃ | ||
| + | ◎_〇_AMR-NB＃encoding supported through external library libopencore-amrnb 拡張機能導入でエンコード対応 | ||
| + | ◎_〇_AMR-WB＃encoding supported through external library libvo-amrwbenc 拡張機能導入でエンコード対応 | ||
| + | _〇_Amazing Studio PAF Audio＃ | ||
| + | 〇_〇_Apple lossless audio＃QuickTime fourcc ’alac’ | ||
| + | 〇_〇_aptX＃Used in Bluetooth A2DP | ||
| + | 〇_〇_aptX HD＃Used in Bluetooth A2DP | ||
| + | _〇_ATRAC1＃ | ||
| + | _〇_ATRAC3＃ | ||
| + | _〇_ATRAC3+＃ | ||
| + | _〇_ATRAC9＃ | ||
| + | _〇_Bink Audio＃Used in Bink and Smacker files in many games. | ||
| + | _◎_CELT＃decoding supported through external library libcelt 拡張機能導入でデコード | ||
| + | ◎_◎_codec2＃en/decoding supported through external library libcodec2 拡張機能導入でエンコード、デコード対応 | ||
| + | _〇_CRI HCA＃ | ||
| + | _〇_Delphine Software International CIN audio＃Codec used in Delphine Software International games. | ||
| + | _〇_Digital Speech Standard - Standard Play mode (DSS SP)＃ | ||
| + | _〇_Discworld II BMV Audio＃ | ||
| + | _〇_COOK＃All versions except 5.1 are supported. | ||
| + | 〇_〇_DCA (DTS Coherent Acoustics)＃supported extensions: XCh, XXCH, X96, XBR, XLL, LBR (partially) | ||
| + | _〇_Dolby E＃ | ||
| + | _〇_DPCM Gremlin＃ | ||
| + | 〇_〇_DPCM id RoQ＃Used in Quake III, Jedi Knight 2 and other computer games. | ||
| + | _〇_DPCM Interplay＃Used in various Interplay computer games. | ||
| + | _〇_DPCM Squareroot-Delta-Exact＃Used in various games. | ||
| + | _〇_DPCM Sierra Online＃Used in Sierra Online game audio files. | ||
| + | _〇_DPCM Sol＃ | ||
| + | _〇_DPCM Xan＃Used in Origin’s Wing Commander IV AVI files. | ||
| + | _〇_DPCM Xilam DERF＃ | ||
| + | _〇_DSD (Direct Stream Digital), least significant bit first＃ | ||
| + | _〇_DSD (Direct Stream Digital), most significant bit first＃ | ||
| + | _〇_DSD (Direct Stream Digital), least significant bit first, planar＃ | ||
| + | _〇_DSD (Direct Stream Digital), most significant bit first, planar＃ | ||
| + | _〇_DSP Group TrueSpeech＃ | ||
| + | _〇_DST (Direct Stream Transfer)＃ | ||
| + | _〇_DV audio＃ | ||
| + | 〇_〇_Enhanced AC-3＃ | ||
| + | _〇_EVRC (Enhanced Variable Rate Codec)＃ | ||
| + | 〇_I〇_FLAC (Free Lossless Audio Codec)＃ | ||
| + | 〇_〇_G.723.1＃ | ||
| + | _〇_G.729＃ | ||
| + | ◎_〇_GSM＃encoding supported through external library libgsm 拡張機能導入でエンコード対応 | ||
| + | ◎_〇_GSM Microsoft variant＃encoding supported through external library libgsm 拡張機能導入でエンコード対応 | ||
| + | _〇_IAC (Indeo Audio Coder)＃ | ||
| + | ◎_◎_iLBC (Internet Low Bitrate Codec)＃encoding and decoding supported through external library libilbc 拡張機能導入でエンコード、デコード対応 | ||
| + | _〇_IMC (Intel Music Coder)＃ | ||
| + | _〇_Interplay ACM＃ | ||
| + | _〇_MACE (Macintosh Audio Compression/Expansion) 3:1＃ | ||
| + | _〇_MACE (Macintosh Audio Compression/Expansion) 6:1＃ | ||
| + | 〇_〇_MLP (Meridian Lossless Packing)＃Used in DVD-Audio discs. | ||
| + | _〇_Monkey’s Audio＃ | ||
| + | _I〇_MP1 (MPEG audio layer 1)＃ | ||
| + | I〇_I〇_MP2 (MPEG audio layer 2)＃encoding supported also through external library TwoLAME | ||
| + | ◎_I〇_MP3 (MPEG audio layer 3)＃encoding supported through external library LAME, ADU MP3 and MP3onMP4 also supported 拡張機能導入でエンコード対応 | ||
| + | _〇_MPEG-4 Audio Lossless Coding (ALS)＃ | ||
| + | _〇_Musepack SV7＃ | ||
| + | _〇_Musepack SV8＃ | ||
| + | 〇_〇_Nellymoser Asao＃ | ||
| + | _〇_On2 AVC (Audio for Video Codec)＃ | ||
| + | ◎_〇_Opus＃encoding supported through external library libopus 拡張機能導入でエンコード対応 | ||
| + | 〇_〇_PCM A-law＃ | ||
| + | 〇_〇_PCM mu-law＃ | ||
| + | 〇_〇_PCM Archimedes VIDC＃ | ||
| + | 〇_〇_PCM signed 8-bit planar＃ | ||
| + | 〇_〇_PCM signed 16-bit big-endian planar＃ | ||
| + | 〇_〇_PCM signed 16-bit little-endian planar＃ | ||
| + | 〇_〇_PCM signed 24-bit little-endian planar＃ | ||
| + | 〇_〇_PCM signed 32-bit little-endian planar＃ | ||
| + | 〇_〇_PCM 32-bit floating point big-endian＃ | ||
| + | 〇_〇_PCM 32-bit floating point little-endian＃ | ||
| + | 〇_〇_PCM 64-bit floating point big-endian＃ | ||
| + | 〇_〇_PCM 64-bit floating point little-endian＃ | ||
| + | 〇_〇_PCM D-Cinema audio signed 24-bit＃ | ||
| + | 〇_〇_PCM signed 8-bit＃ | ||
| + | 〇_〇_PCM signed 16-bit big-endian＃ | ||
| + | 〇_〇_PCM signed 16-bit little-endian＃ | ||
| + | 〇_〇_PCM signed 24-bit big-endian＃ | ||
| + | 〇_〇_PCM signed 24-bit little-endian＃ | ||
| + | 〇_〇_PCM signed 32-bit big-endian＃ | ||
| + | 〇_〇_PCM signed 32-bit little-endian＃ | ||
| + | _〇_PCM signed 16/20/24-bit big-endian in MPEG-TS＃ | ||
| + | 〇_〇_PCM unsigned 8-bit＃ | ||
| + | 〇_〇_PCM unsigned 16-bit big-endian＃ | ||
| + | 〇_〇_PCM unsigned 16-bit little-endian＃ | ||
| + | 〇_〇_PCM unsigned 24-bit big-endian＃ | ||
| + | 〇_〇_PCM unsigned 24-bit little-endian＃ | ||
| + | 〇_〇_PCM unsigned 32-bit big-endian＃ | ||
| + | 〇_〇_PCM unsigned 32-bit little-endian＃ | ||
| + | _〇_QCELP / PureVoice＃ | ||
| + | _〇_QDesign Music Codec 1＃ | ||
| + | _〇_QDesign Music Codec 2＃There are still some distortions. | ||
| + | 〇_〇_RealAudio 1.0 (14.4K)＃Real 14400 bit/s codec | ||
| + | _〇_RealAudio 2.0 (28.8K)＃Real 28800 bit/s codec | ||
| + | I〇_〇_RealAudio 3.0 (dnet)＃Real low bitrate AC-3 codec | ||
| + | _〇_RealAudio Lossless＃ | ||
| + | _〇_RealAudio SIPR / ACELP.NET＃ | ||
| + | 〇_〇_SBC (low-complexity subband codec)＃Used in Bluetooth A2DP | ||
| + | _〇_Shorten＃ | ||
| + | _〇_Sierra VMD audio＃Used in Sierra VMD files. | ||
| + | _〇_Smacker audio＃ | ||
| + | 〇_〇_SMPTE 302M AES3 audio＃ | ||
| + | 〇_〇_Sonic＃experimental codec | ||
| + | 〇_〇_Sonic lossless＃experimental codec | ||
| + | ◎_◎_Speex＃supported through external library libspeex 拡張機能導入でエンコード、デコード対応 | ||
| + | _〇_TAK (Tom’s lossless Audio Kompressor)＃ | ||
| + | 〇_〇_True Audio (TTA)＃ | ||
| + | 〇_〇_TrueHD＃Used in HD-DVD and Blu-Ray discs. | ||
| + | _〇_TwinVQ (VQF flavor)＃ | ||
| + | _〇_VIMA＃Used in LucasArts SMUSH animations. | ||
| + | ◎_〇_Vorbis＃A native but very primitive encoder exists. 拡張機能導入でエンコード対応 | ||
| + | _〇_Voxware MetaSound＃ | ||
| + | 〇_〇_WavPack＃ | ||
| + | _〇_Westwood Audio (SND1)＃ | ||
| + | 〇_〇_Windows Media Audio 1＃ | ||
| + | 〇_〇_Windows Media Audio 2＃ | ||
| + | _〇_Windows Media Audio Lossless＃ | ||
| + | _〇_Windows Media Audio Pro＃ | ||
| + | _〇_Windows Media Audio Voice＃ | ||
| + | _〇_Xbox Media Audio 1＃ | ||
| + | _〇_Xbox Media Audio 2＃ | ||
| + | </syntaxhighlight2> | ||
| − | + | ||
| + | ==='''ファイル形式'''=== | ||
<syntaxhighlight2 lang="text"> | <syntaxhighlight2 lang="text"> | ||
Ｅ_Ｄ_Type＃Comments | Ｅ_Ｄ_Type＃Comments | ||
