⧅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 |