Ffmpeg On Windows

I'm trying to import FFmpeg into Audacity (so I can encode AAC audio) But the latest FFmpeg Windows build doesn't include the avformat-55.dll file I need. Where can I find this file, or is it not. FFmpeg 4.2.1 'Ada' 4.2.1 was released on 2019-09-07. It is the latest stable FFmpeg release from the 4.2.1 release branch, which was cut from master on 2019-07-21. It includes the following library versions: libavutil 56. 31.100 libavcodec 58. 54.100 libavformat 58. 29.100 libavdevice 58.

Original author(s)Fabrice Bellard
Developer(s)FFmpeg team
Initial releaseDecember 20, 2000; 18 years ago[1]
Stable release4.2 (August 5, 2019; 46 days ago[2])[±]
Preview releaseGit[±]
Written inC and Assembly[3]
Operating systemWindows, macOS, and Linux; may be compiled for other OSes.[4]
Platformx86, ARM, PowerPC, MIPS, DEC Alpha, Blackfin, AVR32, SH-4, and SPARC; may be compiled for other desktop computers
TypeMultimedia framework
LicenseLGPL 2.1+, GPL 2+
Unredistributable if compiled with NVIDIA Performance Primitives[5]

FFmpeg is a free and open-source project consisting of a vast software suite of libraries and programs for handling video, audio, and other multimedia files and streams. At its core is the FFmpeg program itself, designed for command-line-based processing of video and audio files, and widely used for format transcoding, basic editing (trimming and concatenation), video scaling, video post-production effects, and standards compliance (SMPTE, ITU).

FFmpeg includes libavcodec, an audio/video codec library used by many commercial and free software products, libavformat (Lavf),[6] an audio/video containermux and demux library, and the core ffmpegcommand line program for transcoding multimedia files.

FFmpeg is part of the workflow of hundreds of other software projects, and its libraries are a core part of software media players such as VLC, and has been included in core processing for YouTube and the iTunes inventory of files. Codecs for the encoding and/or decoding of most of all known audio and video file formats is included, making it highly useful for the transcoding of common and uncommon media files into a single common format.

The name of the project is inspired by the MPEG video standards group, together with 'FF' for 'fast forward'.[7] The logo uses a zigzag pattern that shows how MPEG video codecs handle entropy encoding.[8]

FFmpeg is published under the GNU Lesser General Public License 2.1+ or GNU General Public License 2+ (depending on which options are enabled).[9]

  • 1History
  • 2Components
  • 3Supported hardware
  • 4Supported codecs and formats
  • 5Supported protocols
  • 6Supported filters
  • 7Applications


The project was started by Fabrice Bellard[9] (using the pseudonym 'Gérard Lantau') in 2000, and was led by Michael Niedermayer from 2004 until 2015.[10] Some FFmpeg developers were also part of the MPlayer project.

On January 10, 2014, two Google employees announced that over 1000 bugs had been fixed in FFmpeg during the previous two years by means of fuzz testing.[11]

Color zen game online. In January 2018, the ffserver command-line program – a long-time component of FFmpeg – was removed.[12] The developers had previously deprecated the program citing high maintenance efforts due to its use of internal application programming interfaces (API).[13]

The project publishes a new release every three months on average. While release versions are available from the website for download, FFmpeg developers recommend that users compile the software from source using the latest build from their source codeGitversion control system.[14]

Codec history[edit]

Two video coding formats with corresponding codecs and one container format have been created within the FFmpeg project so far. The two video codecs are the lossless FFV1, and the lossless and lossy Snow codec. Development of Snow has stalled, while its bit-stream format has not been finalized yet, making it experimental since 2011. The multimedia container format called NUT is no longer being actively developed, but still maintained.[15]

In summer 2010, Fiona Glaser, Ronald Bultje, and David Conrad of the FFmpeg Team announced the ffvp8 decoder. Through testing, they determined that ffvp8 was faster than Google's own libvpx decoder.[16][17] Starting with version 0.6, FFmpeg also supported WebM and VP8.[18]

In October 2013, a native VP9[19] and the OpenHEVC decoder, an open source High Efficiency Video Coding (HEVC) decoder, were added to FFmpeg.[20] In 2016 the native AAC encoder was considered stable, removing support for the two external AAC encoders from VisualOn and FAAC. FFmpeg 3.0 (nicknamed 'Einstein' ) retained build support for the Fraunhofer FDK AAC encoder.[21] Since version 3.4 'Cantor'  FFmpeg supported the FITS image format.[22] Since November 2018 in version 4.1 'al-Khwarizmi' AV1 can be muxed in MP4 and Matroska incl. WebM.[23][24]

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On March 13, 2011, a group of FFmpeg developers decided to fork the project under the name 'Libav'.[25][26][27] The event was related to an issue in project management, in which developers disagreed with the leadership of FFmpeg.[28][29][30]


Command line tools[edit]

  • ffmpeg is a command-line tool that converts audio or video formats. It can also capture and encode in real-time from various hardware and software sources such as a TV capture card.
  • ffplay is a simple media player utilizing SDL and the FFmpeg libraries.
  • ffprobe is a command-line tool to display media information (text, CSV, XML, JSON), see also Mediainfo.


  • libswresample is a library containing audio resampling routines.
  • libavresample is a library containing audio resampling routines from the Libav project, similar to libswresample from ffmpeg.
  • libavcodec is a library containing all of the native FFmpeg audio/video encoders and decoders. Most codecs were developed from scratch to ensure best performance and high code reusability.
  • libavformat (Lavf)[6] is a library containing demuxers and muxers for audio/video container formats.
  • libavutil is a helper library containing routines common to different parts of FFmpeg. This library includes hash functions (Adler-32, CRC, MD5, RIPEMD, SHA-1. SHA-2, MurmurHash3, HMAC MD-5, HMAC SHA-1 and HMAC SHA-2), ciphers (DES, RC4, AES, AES-CTR, TEA, XTEA, Blowfish, CAST-128, Twofish and Camellia), LZO decompressor and Base64 encoder/decoder.
  • libpostproc is a library containing older h263 based video postprocessing routines.
  • libswscale is a library containing video image scaling and colorspace/pixelformat conversion routines.
  • libavfilter is the substitute for vhook which allows the video/audio to be modified or examined between the decoder and the encoder. Filters have been ported from many projects including MPlayer and avisynth.

Supported hardware[edit]


FFmpeg encompasses software implementations of video and audio compressing and decompressing algorithms. These can be compiled and run on diverse instruction sets.

Many widespread instruction sets are supported by FFmpeg, including x86 (IA-32 and x86-64), PPC (PowerPC), ARM, DEC Alpha, SPARC, and MIPS.[31]

Special purpose hardware[edit]

Various application-specific integrated circuits (ASIC) related to video and audio compression and decompression do exist. Such ASIC can perform the computation for audio/video decompression or compression partly or fully to offload these from the host CPU. To make use of such ASIC, instead of a complete implementation of some algorithm, only the API is required. There are numerous ASICs and APIs available, of which several are supported by FFmpeg.[32]

FirmASICpurposesupported by FFmpegDetails
VCEencodingvia VAAPI, considered experimental[33]
AmlogicAmlogic Video Enginedecoding?
BlackMagicDeckLinkencoding/decodingreal-time ingest and playout
BroadcomCrystal HDdecoding
IntelIntel Clear Videodecoding
Intel Quick Sync Videoencoding/decoding
NvidiaPureVideo / NVDECdecodingvia the VDPAU API as of FFmpeg v1.2 (deprecated)
via CUVID API as of FFmpeg v3.1[34]
NVENCencodingas of FFmpeg v2.6

Use with the FFmpeg Utility[edit]

Internal hardware acceleration decoding is enabled through the -hwaccel option. It starts decoding normally, but if a decodable stream is detected in hardware, then the decoder designates all significant processing to that hardware, thus accelerating the decoding process. Whereas if no decodable streams are detected (as happens on an unsupported codec or profile), hardware acceleration will be skipped and it will still be decoded in software. -hwaccel_device option is applied when the hardware requires a particular device to function especially there are several graphic cards are available.[citation needed]

Supported codecs and formats[edit]

Image formats[edit]

FFmpeg supports many common and some uncommon image formats.

The PGMYUV image format is a homebrewn variant of the binary (P5) PGM Netpbm format. FFmpeg also supports 16-bit depths of the PGM and PPM formats, and the binary (P7) PAM format with or without alpha channel, depth 8 bit or 16 bit for pix_fmtsmonob, gray, gray16be, rgb24, rgb48be, ya8, rgba, rgb64be.

Supported formats[edit]

In addition to FFV1 and Snow formats, which were created and developed from within FFmpeg, the project also supports the following formats:

GroupFormat typeFormat name
ISO/IEC/ITU-TVideoMPEG-1 Part 2, H.261 (Px64),[35]H.262/MPEG-2 Part 2, H.263,[35]MPEG-4 Part 2, H.264/MPEG-4 AVC, HEVC/H.265[20] (MPEG-H Part 2), Motion JPEG, IEC DV video and CD+G
AudioMP1, MP2, MP3, AAC, HE-AAC, MPEG-4 ALS, G.711 µ-law, G.711 A-law, G.721 (a.k.a. G.726 32k), G.722, G.722.2 (a.k.a. AMR-WB), G.723 (a.k.a. G.726 24k and 40k), G.723.1, G.726, G.729, G.729D, IEC DV audio and Direct Stream Transfer
SubtitleMPEG-4 Timed Text (a.k.a. 3GPP Timed Text)
ImageJPEG, Lossless JPEG, JPEG-LS, JPEG 2000, PNG, CCITT G3 and CCITT G4
Alliance for Open MediaVideoAV1[36]
SMPTEVideoSMPTE 314M (a.k.a. DVCAM and DVCPRO), SMPTE 370M (a.k.a. DVCPRO HD), VC-1 (a.k.a. WMV3), VC-2 (a.k.a. Dirac Pro), VC-3 (a.k.a. AVID DNxHD)
AudioSMPTE 302M
ATSC/ETSI/DVBAudioFull Rate (GSM 06.10), AC-3 (Dolby Digital), Enhanced AC-3 (Dolby Digital Plus) and DTS Coherent Acoustics (a.k.a. DTS or DCA)
SubtitleDVB Subtitling (ETSI 300 743)
DVD Forum/DolbyAudioMLP / Dolby TrueHD
SubtitleDVD-Video subtitles
DTS, Inc/QDesignAudioDTS Coherent Acoustics (a.k.a. DTS or DCA), DTS Extended Surround (a.k.a. DTS-ES), DTS 96/24, DTS-HD High Resolution Audio, DTS Express (a.k.a. DTS-HD LBR), DTS-HD Master Audio, QDesign Music Codec 1 and 2
Blu-ray Disc AssociationSubtitlePGS (Presentation Graphics Stream)
3GPPAudioAMR-NB, AMR-WB (a.k.a. G.722.2)
3GPP2AudioQCELP-8 (a.k.a. SmartRate or IS-96C), QCELP-13 (a.k.a. PureVoice or IS-733) and Enhanced Variable Rate Codec (EVRC. a.k.a. IS-127)
World Wide Web ConsortiumVideoAnimated GIF
IETFAudioiLBC (via libilbc), Opus and Comfort noise
International Voice AssociationAudioDSS-SP
SACVideoAVS video
MicrosoftVideoMicrosoft RLE, Microsoft Video 1, Cinepak, Indeo (v2, v3 and v5),[35] Microsoft MPEG-4 v1, v2 and v3, Windows Media Video (WMV1, WMV2, WMV3/VC-1), WMV Screen and Mimic codec
AudioWindows Media Audio (WMA1, WMA2, WMA Pro and WMA Lossless), XMA (XMA1 and XMA2), MS-GSM and MS-ADPCM
ImageWindows Bitmap, WMV Image (WMV9 Image and WMV9 Image v2) and DirectDraw Surface
Interactive Multimedia AssociationAudioIMA ADPCM
Digital Video InteractiveVideoRTV 2.1 (Intel Indeo 2)
AudioDVI4 audio codec
RealNetworksVideoRealVideo Fractal Codec (a.k.a. Iterated Systems ClearVideo), 1, 2, 3 and 4
AudioRealAudio v1 – v10
AppleVideoCinepak (Apple Compact Video), ProRes, Sorenson 3 Codec, QuickTime Animation (Apple Animation), QuickTime Graphics (Apple Graphics), Apple Video, Apple Intermediate Codec and Pixlet
Adobe Flash Player (SWF)VideoScreen video, Screen video 2, Sorenson Spark and VP6
AudioAdobe SWF ADPCM and Nellymoser Asao
Aldus / AdobeImageTIFF and PSD
AudioSpeex (via libspeex), Vorbis, Opus and FLAC
SubtitleOgg Writ
SonyAudioAdaptive Transform Acoustic Coding (ATRAC1, ATRAC3, ATRAC3Plus and ATRAC9)[35][37] and PSX ADPCM
On2 / GIPS / GoogleVideoDuck TrueMotion 1, Duck TrueMotion 2, Duck TrueMotion 2.0 Real Time, VP3, VP4, VP5,[35]VP6,[35]VP7, VP8, VP9[19] and animated WebP
AudioDK ADPCM Audio 3/4, On2 AVC and iLBC (via libilbc)
RAD Game ToolsVideoSmacker video and Bink video
DSP GroupAudioTruespeech
NetpbmImagePBM, PGM, PPM, PNM and PAM
MIT/X Consortium/The Open GroupImageXBM, XPM and xwd
Silicon GraphicsVideoSilicon Graphics RLE 8-bit video, Silicon Graphics MVC1/2
ImageSilicon Graphics Image
Oracle/Sun MicrosystemsImageSun Raster
IBMVideoIBM UltiMotion
Avid Technology / TruevisionVideoAvid 1:1x, Avid Meridien, Avid DNxHD and DNxHR
Autodesk / AliasVideoAutodesk Animator Studio Codec and FLIC
ImageAlias PIX
Grass Valley / CanopusVideoHQ, HQA, HQX and Lossless
Industrial Light & Magic / LucasfilmImageOpenEXR
Mozilla CorporationVideoAPNG
MatroxVideoMatrox Uncompressed SD (M101) / HD (M102)
AsusVideoASUS V1/V2 codec
Spruce TechnologiesSubtitleSpruce subtitle (STL)


Output formats (container formats and other ways of creating output streams) in FFmpeg are called 'muxers'. FFmpeg supports, among others, the following:

  • AVI and also input from AviSynth
  • BFI[39]
  • GXF, General eXchange Format, SMPTE 360M
  • HLS, HTTP Live Streaming
  • IFF[40]
  • ISO base media file format (including QuickTime, 3GP and MP4)
  • Matroska (including WebM)
  • Maxis XA[41]
  • MPEG-DASH[42]
  • MPEG transport stream (including AVCHD)
  • MXF, Material eXchange Format, SMPTE 377M
  • MSN Webcam stream[43]
  • NUT[15]
  • OMA[44]
  • RL2[45]
  • Segment, for creating segmented video streams
  • TXD[38]

Pixel formats[edit]

FFmpeg supports many pixel formats.[46] Some of these formats are only supported as input formats. The command ffmpeg -pix_fmts provides a list of supported pixel formats.

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Without alphaWith alphaWithout alphaWith alphaChroma-interleavedWith alpha
MonochromeBinary (1-bit monochrome)monoblack, monowhite-----
Grayscale8 / 9 / 10 / 12 / 14 / 16bpp--16 / 32bpp--
RGBRGB 1:2:1 (4-bit color)4bpp-----
RGB 3:3:2 (8-bit color)8bpp-----
RGB 5:5:5 (High color)16bpp-----
RGB 5:6:5 (High color)16bpp-----
RGB/BGR24 / 48bpp32[p 1] / 64bpp---8bit->32bpp
GBR[p 2]--8 / 9 / 10 / 12 / 14 / 16bpc8 / 10 / 12 / 16bpc--
RGB FloatGBR--32bpc32bpc--
YUVYVU 4:1:0--(9bpp (YVU9))[p 3]---
YUV 4:1:0--9bpp---
YUV 4:1:18bpc (UYYVYY)-8bpc-(8bpc (NV11))-
YVU 4:2:0--(8bpc (YV12))[p 3]-8 (NV21)-
YUV 4:2:0--8[p 4] / 9 / 10 / 12 / 14 / 16bpc8 / 9 / 10 / 16bpc8 (NV12) / 10 (P010) / 16bpc (P016)-
YVU 4:2:2--(8bpc (YV16))[p 3]-(8bpc (NV61))-
YUV 4:2:28bpc (YUYV[p 5] and UYVY)[p 6]-8[p 7] / 9 / 10 / 12 / 14 / 16bpc8 / 9 / 10 / 12 / 16bpc8 (NV16) / 10bpc (NV20 a.k.a. P210)[p 8]-
YUV 4:4:0--8 / 10 / 12bpc---
YVU 4:4:4--(8bpc (YV24))[p 3]-8bpc (NV42)-
YUV 4:4:4(10 (Y410) and 16bpc (Y416))16bpc[p 9]8[p 10] / 9 / 10 / 12 / 14 / 16bpc8 / 9 / 10 / 12 / 16bpc8bpc (NV24)-
XYZXYZ 4:4:4[p 11]12bpc-----
BayerBGGR/RGGB/GBRG/GRBG8 / 16bpp-----
  1. ^RGBx (rgb0) and xBGR (0bgr) are also supported
  2. ^used in YUV-centric codecs such like H.264
  3. ^ abcdYVU9, YV12, YV16, and YV24 are supported as rawvideo codec in FFmpeg.
  4. ^I420 a.k.a. YUV420P
  5. ^aka YUY2 in Windows
  6. ^Y210 (YUYV 10bpc) is not supported. UYVY 10bpc without a padding is supported as bitpacked codec in FFmpeg. UYVY 10bpc with 2-bits padding is supported as v210 codec in FFmpeg. 16bpc (Y216) is supported as targa_y216 codec in FFmpeg.
  7. ^I422 a.k.a. YUV422P
  8. ^16bpc (P216) is not supported
  9. ^8bpc (AYUV) is not supported
  10. ^I444 a.k.a. YUV444P
  11. ^used in JPEG2000

FFmpeg does not support IMC1-IMC4, AI44, CYMK, RGBE, Log RGB and other formats. It also does not yet support ARGB1:5:5:5, 2:10:10:10, or other BMP bitfield formats that are not commonly used.

Ffmpeg On Windows

Supported protocols[edit]

Open standards[edit]

  • IETF RFCs:
  • IETF I-Ds:
    • HLS[47]
    • SFTP (via libssh)
  • Microsoft OSP:
    • CIFS/SMB (via libsmbclient)
    • MMS over TCP (MS-MMSP)
    • MMS over HTTP (MS-WMSP)

De facto standards[edit]

  • RTSP over TLS[48][49]
  • Icecast protocol
  • RealMedia RTSP/RDT

Supported filters[edit]

FFmpeg supports, among others, the following filters.[50]


  • Resampling (aresample)
  • Pass/Stop filters
    • Low-pass filter (lowpass)
    • High-pass filter (highpass)
    • All-pass filter (allpass)
    • ButterworthBand-pass filter (bandpass)
    • Butterworth Band-stop filter (bandreject)
  • Arbitrary Finite Impulse Response Filter (afir)
  • Arbitrary Infinite Impulse Response Filter (aiir)
  • Equalizer
    • Peak Equalizer (equalizer)
    • Butterworth/Chebyshev Type I/Type II Multiband Equalizer (anequalizer)
    • Low Shelving filter (bass)
    • High Shelving filter (treble)
    • FIR equalizer (firequalizer)
    • Biquad filter (biquad)
  • Remove/Add DC offset (dcshift)
  • Expression evaluation
    • Time domain expression evaluation (aeval)
    • Frequency domain expression evaluation (afftfilt)
  • Dynamics
    • Limiter (alimiter)
    • Compressor (acompressor)
    • Dynamic range expander (crystalizer)
    • Side-chain Compressor (sidechaincompress)
    • Compander (compand)
    • Noise gate (agate)
    • Side-chain Noise gate(sidechaingate)
  • Distortion
    • Bitcrusher (acrusher)
  • Emphasis (aemphasis)
  • Amplify/Normalizer
    • Volume (volume)
    • Dynamic Audio Normalizer (dynaudnorm)
    • EBU R 128 loudness normalizer (loudnorm)
  • Modulation
    • Sinusoidal Amplitude Modulation (tremolo)
    • Sinusoidal Phase Modulation (vibrato)
    • Phaser (aphaser)
    • Chorus (chorus)
    • Flanger (flanger)
    • Pulsator (apulsator)
  • Echo/Reverb
    • Echo (aecho)
  • Routing/Panning
    • Stereo widening (stereowiden)
    • Increase channel differences (extrastereo)
    • M/S to L/R (stereotools)
    • Channel mapping (channelmap)
    • Channel splitting (channelsplit)
    • Channel panning (pan)
    • Channel merging (amerge)
    • Channel joining (join)
    • for Headphones
      • Stereo to Binaural (earwax, ported from SoX)[51]
      • Bauer Stereo to Binaural (bs2b, via libbs2b)
      • Crossfeed (crossfeed)
      • Multi-channel to Binaural (sofalizer, requires libnetcdf)
    • Delay
      • Delay (adelay)
      • Delay by distance (compensationdelay)
  • Fade
    • Fader (afade)
    • Crossfader (acrossfade)
  • Audio time-scale/pitch modification
    • Time stretching (atempo)
    • Time-stretching and Pitch-shifting (rubberband, via librubberband)
  • Editing
    • Trim (atrim)
    • Silence-padding (apad)
    • Silence remover (silenceremove)
  • Show frame/channel information
    • Show frame information (ashowinfo)
    • Show channel information (astats)
    • Show silence ranges (silencedetect)
    • Show audio volumes (volumedetect)
    • ReplayGain scanner (replaygain)
  • Modify frame/channel information
    • Set output format (aformat)
    • Set number of sample (asetnsamples)
    • Set sampling rate (asetrate)
  • Mixer (amix)
  • Synchronization (asyncts)
  • HDCD data decoder (hdcd)
  • Plugins
    • LADSPA (ladspa)
    • LV2 (lv2)
  • Do nothing (anull)


  • Transformations
    • Cropping (crop, cropdetect)
    • Fading (fade)
    • Scaling (scale)
    • Padding (pad)
    • Rotation (rotate)
    • Transposition (transpose)
    • Others:
      • Lens correction (lenscorrection)
      • OpenCV filtering (ocv)
      • Perspective correction (perspective)
  • Temporal editing
    • Framerate (fps, framerate)
    • Looping (loop)
    • Trimming (trim)
  • Deinterlacing (bwdif, idet, kerndeint, nnedi, yadif, w3fdif)
  • Filtering
    • Blurring (boxblur, gblur, avgblur, sab, smartblur)
    • Convolution filters
      • Convolution (convolution)
      • Edge detection (edgedetect)
      • Sobel Filter (sobel)
      • Prewitt Filter (prewitt)
      • Unsharp masking (unsharp)
  • Denoising (atadenoise, bitplanenoise, dctdnoiz, owdenoise, removegrain)
  • Logo removal (delogo, removelogo)
  • Subtitles (ASS, subtitles)
  • Alpha channel editing (alphaextract, alphamerge)
  • Keying (chromakey, colorkey, lumakey)
  • Frame detection
    • Black frame detection (blackdetect, blackframe)
    • Thumbnail selection (thumbnail)
  • Frame Blending (blend, tblend, overlay)
  • Video stabilization (vidstabdetect, vidstabtransform)
  • Color and Level adjustments
    • Balance and levels (colorbalance, colorlevels)
    • Channel mixing (colorchannelmixer)
    • Color space (colorspace)
    • Parametric adjustments (curves, eq)
  • Histograms and visualization
    • CIE Scope (ciescope)
    • Vectorscope (vectorscope)
    • Waveform_monitor (waveform)
    • Color_histogram (histogram)
  • Drawing
  • Quality measures
    • SSIM (ssim)
    • PSNR (psnr)
  • Lookup Tables
    • lut, lutrgb, lutyuv, lut2, lut3d, haldclut

Run Ffmpeg On Windows


Legal aspects[edit]

FFmpeg contains more than 100 codecs,[52] most of which use compression techniques of one kind or another. Many such compression techniques may be subject to legal claims relating to software patents.[53] Such claims may be enforceable in countries like the United States which have implemented software patents, but are considered unenforceable or void in member countries of the European Union, for example.[citation needed] Patents for many older codecs, including AC3 and all MPEG-1 and MPEG-2 codecs, have expired.[citation needed]

FFmpeg is licensed under the LGPL license, however, if a particular build of FFmpeg is linked against any GPL libraries (notably x264), then the entire binary is licensed under the GPL.

Projects using FFmpeg[edit]

FFmpeg is used by software such as VLC media player, xine, Cinelerra-GG video editor, Plex, Kodi, Blender, YouTube,[54] and MPC-HC;[55] it handles video and audio playback in Google Chrome,[55] and Linux version of Firefox.[56]Graphical user interfacefront-ends for FFmpeg have been developed, including Avanti,[57] and XMedia Recode. JavaCV, a Java wrapper for OpenCV, includes a supplementary Java wrapper for FFmpeg.[58]

FFmpeg is used by ffdshow, LAV Filters, GStreamer FFmpeg plug-in, Perian and OpenMAX IL to expand the encoding and decoding capabilities of their respective multimedia platform.

See also[edit]

  • MEncoder, a similar project

Ffmpeg Zeranoe Builds


  1. ^'Initial revision - git.videolan.org/ffmpeg.git/commit'. git.videolan.org. 2000-12-20. Archived from the original on 2013-12-25. Retrieved 2013-05-11.
  2. ^'FFmpeg 4.2 'Ada''. FFmpeg Git. 2019-08-05. Retrieved 2019-08-06.
  3. ^'Developer Documentation'. ffmpeg.org. 2011-12-08. Retrieved 2012-01-04.
  4. ^'Download'. ffmpeg.org. FFmpeg. Retrieved 2012-01-04.
  5. ^FFmpeg can be configured to make it proprietary and unredistributable software, because NVIDIA Performance Primitives, an optional external library, is proprietary software and cannot be distributed under the terms of the GPL.
  6. ^ ab'FFmpeg: Lavf: I/O and Muxing/Demuxing Library'. ffmpeg.org. Retrieved 21 October 2016.
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External links[edit]

  • Official website
Retrieved from 'https://en.wikipedia.org/w/index.php?title=FFmpeg&oldid=916763082'
Active5 months ago

Ffmpeg On Windows 10

I'm trying to import FFmpeg into Audacity (so I can encode AAC audio)

But the latest FFmpeg Windows build doesn't include the avformat-55.dll file I need. Where can I find this file, or is it not included anymore?

Ffmpeg Zeranoe


1 Answer

The more or less official source for FFmpeg Windows Builds is here: http://ffmpeg.zeranoe.com/builds/

On that page, select “Shared” so the DLL will actually be there. It will be located in the “bin” folder. However, the current version is 57. It may or may not work with Audacity.

Ffmpeg On Windows

Setup Ffmpeg On Windows

Also keep in mind to pick the correct choice from 32/64 bit: It needs to match Audacity’s “bitness”. You can look in Task Manager to find out whether it’s a 32-bit process.

On the official Audacity wiki, theres a section on how to get FFmpeg. It directs you to this page: http://lame.buanzo.org/#lamewindl You can find the required FFmpeg version there.

Downloads from that page are terribly slow, so I’ll provide a mirror: http://download.futuretech.in/ffmpeg-win-2.2.2.zip

Unfortunately, there’s no checksum on the original page, so I cannot prove that my mirror isn’t tampered with. Use it at your own risk.

Daniel BDaniel B
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Compile Ffmpeg On Windows

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