音频技术
FFmpeg是一套可以用来记录、转换数字音频、视频,并能将其转化为流的开源计算机程序。采用LGPL或GPL许可证。它提供了录制、转换以及流化音视频的完整解决方案。它包含了非常先进的音频/视频编解码库libavcodec,为了保证高可移植性和编解码质量,libavcodec里很多code都是从头开发的。
D:ffmpeg7-win32-staticin》ffmpeg -formats
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 --enable-font
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
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
File formats:
D. = Demuxing supported
.E = Muxing supported
--
E 3g2 3GP2 (3GPP2 file format)
E 3gp 3GP (3GPP file format)
D 4xm 4X Technologies
E a64 a64 - video for Commodore 64
D aac raw ADTS AAC (Advanced Audio Coding)
DE ac3 raw AC-3
D act ACT Voice file format
D adf Artworx Data Format
E adts ADTS AAC (Advanced Audio Coding)
DE adx CRI ADX
D aea MD STUDIO audio
D afc AFC
DE aiff Audio IFF
DE alaw PCM A-law
DE amr 3GPP AMR
D anm Deluxe Paint Animation
D apc CRYO APC
D ape Monkey‘s Audio
D aqtitle AQTitle subtitles
DE asf ASF (Advanced / Active Streaming Format)
E asf_stream ASF (Advanced / Active Streaming Format)
DE ass SSA (SubStation Alpha) subtitle
DE ast AST (Audio Stream)
DE au Sun AU
DE avi AVI (Audio Video Interleaved)
E avm2 SWF (ShockWave Flash) (AVM2)
D avr AVR (Audio Visual Research)
D avs AVISynth
D bethsoftvid Bethesda Softworks VID
D bfi Brute Force & Ignorance
D bin Binary text
D bink Bink
DE bit G.729 BIT file format
D bmv Discworld II BMV
D brstm BRSTM (Binary Revolution Stream)
D c93 Interplay C93
E caca caca (color ASCII art) output device
DE caf Apple CAF (Core Audio Format)
DE cavsvideo raw Chinese AVS (Audio Video Standard) video
D cdg CD Graphics
D cdxl Commodore CDXL video
D concat Virtual concatenation script
E crc CRC testing
DE daud D-Cinema audio
D dfa Chronomaster DFA
DE dirac raw Dirac
DE dnxhd raw DNxHD (SMPTE VC-3)
D dshow DirectShow capture
D dsicin Delphine Software International CIN
DE dts raw DTS
D dtshd raw DTS-HD
DE dv DV (Digital Video)
E dvd MPEG-2 PS (DVD VOB)
D dxa DXA
D ea Electronic Arts Multimedia
D ea_cdata Electronic Arts cdata
DE eac3 raw E-AC-3
D epaf Ensoniq Paris Audio File
DE f32be PCM 32-bit floating-point big-endian
DE f32le PCM 32-bit floating-point little-endian
E f4v F4V Adobe Flash Video
DE f64be PCM 64-bit floating-point big-endian
DE f64le PCM 64-bit floating-point little-endian
DE ffm FFM (FFserver live feed)
DE ffmetadata FFmpeg metadata in text
D film_cpk Sega FILM / CPK
DE filmstrip Adobe Filmstrip
DE flac raw FLAC
D flic FLI/FLC/FLX animation
DE flv FLV (Flash Video)
E framecrc framecrc testing
E framemd5 Per-frame MD5 testing
D frm Megalux Frame
DE g722 raw G.722
DE g723_1 raw G.723.1
D g729 G.729 raw format demuxer
DE gif GIF Animation
D gsm raw GSM
DE gxf GXF (General eXchange Format)
DE h261 raw H.261
DE h263 raw H.263
DE h264 raw H.264 video
E hls Apple HTTP Live Streaming
D hls,applehttp Apple HTTP Live Streaming
DE ico Microsoft Windows ICO
D idcin id Cinematic
D idf iCE Draw File
D iff IFF (Interchange File Format)
DE ilbc iLBC storage
DE image2 image2 sequence
DE image2pipe piped image2 sequence
D ingenient raw Ingenient MJPEG
D ipmovie Interplay MVE
E ipod iPod H.264 MP4 (MPEG-4 Part 14)
DE ircam Berkeley/IRCAM/CARL Sound Format
E ismv ISMV/ISMA (Smooth Streaming)
D iss Funcom ISS
D iv8 IndigoVision 8000 video
DE ivf On2 IVF
DE jacosub JACOsub subtitle format
D jv Bitmap Brothers JV
DE latm LOAS/LATM
D lavfi Libavfilter virtual input device
D lmlm4 raw lmlm4
D loas LOAS AudioSyncStream
D lvf LVF
D lxf VR native stream (LXF)
DE m4v raw MPEG-4 video
E matroska Matroska
D matroska,webm Matroska / WebM
E md5 MD5 testing
D mgsts Metal Gear Solid: The Twin Snakes
DE microdvd MicroDVD subtitle format
DE mjpeg raw MJPEG video
E mkvtimestamp_v2 extract pts as timecode v2 format, as defined by mkvtoolnix
DE mlp raw MLP
D mm American Laser Games MM
DE mmf Yamaha SMAF
E mov QuickTime / MOV
D mov,mp4,m4a,3gp,3g2,mj2 QuickTime / MOV
E mp2 MP2 (MPEG audio layer 2)
DE mp3 MP3 (MPEG audio layer 3)
E mp4 MP4 (MPEG-4 Part 14)
D mpc Musepack
D mpc8 Musepack SV8
DE mpeg MPEG-1 Systems / MPEG program stream
E mpeg1video raw MPEG-1 video
E mpeg2video raw MPEG-2 video
DE mpegts MPEG-TS (MPEG-2 Transport Stream)
D mpegtsraw raw MPEG-TS (MPEG-2 Transport Stream)
D mpegvideo raw MPEG video
E mpjpeg MIME multipart JPEG
D mpl2 MPL2 subtitles
D mpsub MPlayer subtitles
D msnwctcp MSN TCP Webcam stream
D mtv MTV
DE mulaw PCM mu-law
D mv Silicon Graphics Movie
D mvi Motion Pixels MVI
DE mxf MXF (Material eXchange Format)
E mxf_d10 MXF (Material eXchange Format) D-10 Mapping
D mxg MxPEG clip
D nc NC camera feed
D nistsphere NIST SPeech HEader REsources
D nsv Nullsoft Streaming Video
E null raw null video
DE nut NUT
D nuv NuppelVideo
DE ogg Ogg
DE oma Sony OpenMG audio
D paf Amazing Studio Packed Animation File
D pjs PJS (Phoenix Japanimation Society) subtitles
D pmp Playstation Portable PMP
E psp PSP MP4 (MPEG-4 Part 14)
D psxstr Sony Playstation STR
D pva TechnoTrend PVA
D pvf PVF (Portable Voice Format)
D qcp QCP
D r3d REDCODE R3D
DE rawvideo raw video
E rcv VC-1 test bitstream
D realtext RealText subtitle format
D rl2 RL2
DE rm RealMedia
DE roq raw id RoQ
D rpl RPL / ARMovie
DE rso Lego Mindstorms RSO
DE rtp RTP output
DE rtsp RTSP output
DE s16be PCM signed 16-bit big-endian
DE s16le PCM signed 16-bit little-endian
DE s24be PCM signed 24-bit big-endian
DE s24le PCM signed 24-bit little-endian
DE s32be PCM signed 32-bit big-endian
DE s32le PCM signed 32-bit little-endian
DE s8 PCM signed 8-bit
D sami SAMI subtitle format
DE sap SAP output
D sbg SBaGen binaural beats script
E sdl SDL output device
D sdp SDP
E segment segment
D shn raw Shorten
D siff Beam Software SIFF
DE smjpeg Loki SDL MJPEG
D smk Smacker
E smoothstreaming Smooth Streaming Muxer
D smush LucasArts Smush
D sol Sierra SOL
DE sox SoX native
DE spdif IEC 61937 (used on S/PDIF - IEC958)
DE srt SubRip subtitle
E stream_segment,ssegment streaming segment muxer
D subviewer SubViewer subtitle format
D subviewer1 SubViewer v1 subtitle format
E svcd MPEG-2 PS (SVCD)
DE swf SWF (ShockWave Flash)
D tak raw TAK
D tedcaptions TED Talks captions
D thp THP
D tiertexseq Tiertex Limited SEQ
D tmv 8088flex TMV
DE truehd raw TrueHD
D tta TTA (True Audio)
D tty Tele-typewriter
D txd Renderware TeXture Dictionary
DE u16be PCM unsigned 16-bit big-endian
DE u16le PCM unsigned 16-bit little-endian
DE u24be PCM unsigned 24-bit big-endian
DE u24le PCM unsigned 24-bit little-endian
DE u32be PCM unsigned 32-bit big-endian
DE u32le PCM unsigned 32-bit little-endian
DE u8 PCM unsigned 8-bit
D vc1 raw VC-1
D vc1test VC-1 test bitstream
E vcd MPEG-1 Systems / MPEG program stream (VCD)
D vfwcap VfW video capture
D vivo Vivo
D vmd Sierra VMD
E vob MPEG-2 PS (VOB)
D vobsub VobSub subtitle format
DE voc Creative Voice
D vplayer VPlayer subtitles
D vqf Nippon Telegraph and Telephone Corporation (NTT) TwinVQ
DE w64 Sony Wave64
DE wav WAV / WAVE (Waveform Audio)
D wc3movie Wing Commander III movie
E webm WebM
D webvtt WebVTT subtitle
D wsaud Westwood Studios audio
D wsvqa Westwood Studios VQA
DE wtv Windows Television (WTV)
DE wv WavPack
D xa Maxis XA
D xbin eXtended BINary text (XBIN)
D xmv Microsoft XMV
D xwma Microsoft xWMA
D yop Psygnosis YOP
DE yuv4mpegpipe YUV4MPEG pipe
D:ffmpeg7-win32-staticin》
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