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FFmpeg
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<h2 id="history">History</h2> <p>The project was started by <a href="/facts/Fabrice_Bellard/4A0elk4d">Fabrice Bellard</a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> (using the <a href="/facts/Pseudonym/A5EjmWxQ">pseudonym</a> "Gérard Lantau") in 2000, and was led by Michael Niedermayer from 2004 until 2015.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> Some FFmpeg developers were also part of the <a href="/facts/MPlayer/nfyW0yjn">MPlayer</a> project. </p><p>The name of the project is inspired by the <a href="/facts/Moving_Picture_Experts_Group/ygmT7JBB">MPEG</a> video standards group, together with "FF" for "fast forward", so FFmpeg stands for "Fast Forward Moving Picture Experts Group".<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> The logo represents a <a href="/facts/Zigzag/xUtxcBah">zigzag</a> scan pattern that shows how MPEG video codecs handle <a href="/facts/Entropy_encoding/44I0n8F8">entropy encoding</a>.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> </p><p>On March 13, 2011, a group of FFmpeg developers decided to <a href="/facts/Fork_(software)/D6khxhpr">fork</a> the project under the name Libav.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a><a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a><a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a> The group decided to fork the project due to a disagreement with the leadership of FFmpeg.<a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a><a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a><a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a> Despite an initial push in Debian and derived distributions, Libav was considered inferior to FFmpeg in both technical merit and popularity,<a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a> prompting Debian and Gentoo to switch back to FFmpeg in 2015. Libav was declared abandoned in 2020.<a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a> </p><p>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 <a href="/facts/Fuzz_testing/I1GK5kxr">fuzz testing</a>.<a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a> </p><p>In January 2018, the <i>ffserver</i> command-line program – a long-time component of FFmpeg – was removed.<a class="footnote-ref" id="fnref:18" href="#fn:18"><sup>18</sup></a> The developers had previously deprecated the program citing high maintenance efforts due to its use of internal <a href="/facts/Application_programming_interface/GMlN4vUr">application programming interfaces</a>.<a class="footnote-ref" id="fnref:19" href="#fn:19"><sup>19</sup></a> </p><p>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 <a href="/facts/Source_code/o9J6Jv23">source code</a>, using the <a href="/facts/Git/U5Ty9QmQ">Git</a> <a href="/facts/Version_control_system/pxCmFXqK">version control system</a>.<a class="footnote-ref" id="fnref:20" href="#fn:20"><sup>20</sup></a> </p> <h3>Codec history</h3> <p>Two <a href="/facts/Video_coding_format/Dmzykxmn">video coding formats</a> with corresponding codecs and one <a href="/facts/Digital_container_format/mSfwwdSA">container format</a> have been created within the FFmpeg project so far. The two video codecs are the lossless <a href="/facts/FFV1/4jgrMNBK">FFV1</a>, 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.<a class="footnote-ref" id="fnref:21" href="#fn:21"><sup>21</sup></a> </p><p>In summer 2010, FFmpeg developers Fiona Glaser, Ronald Bultje, and David Conrad, announced the ffvp8 decoder. Through testing, they determined that ffvp8 was faster than Google's own <a href="/facts/Libvpx/YFQEMMSu">libvpx</a> decoder.<a class="footnote-ref" id="fnref:22" href="#fn:22"><sup>22</sup></a><a class="footnote-ref" id="fnref:23" href="#fn:23"><sup>23</sup></a> Starting with version 0.6, FFmpeg also supported <a href="/facts/WebM/tP4xgYJc">WebM</a> and <a href="/facts/VP8/dfoDPMDg">VP8</a>.<a class="footnote-ref" id="fnref:24" href="#fn:24"><sup>24</sup></a> </p><p>In October 2013, a native <a href="/facts/VP9/dBP8ffoc">VP9</a><a class="footnote-ref" id="fnref:25" href="#fn:25"><sup>25</sup></a> decoder and OpenHEVC, an open source <a href="/facts/High_Efficiency_Video_Coding/6gp7DC1a">High Efficiency Video Coding</a> (HEVC) decoder, were added to FFmpeg.<a class="footnote-ref" id="fnref:26" href="#fn:26"><sup>26</sup></a> In 2016 the native <a href="/facts/Advanced_Audio_Coding/VAG9NpI4">AAC</a> encoder was considered stable, removing support for the two external AAC encoders from <a href="/facts/VisualOn/PgygDTpq">VisualOn</a> and <a href="/facts/FAAC/Gq4y95Jq">FAAC</a>. FFmpeg 3.0 (nicknamed <i>"Einstein"</i>) retained build support for the <a href="/facts/Fraunhofer_FDK_AAC/bAn7IEf6">Fraunhofer FDK AAC</a> encoder.<a class="footnote-ref" id="fnref:27" href="#fn:27"><sup>27</sup></a> Since version 3.4 <i>"Cantor"</i> FFmpeg supported the <a href="/facts/FITS/6oa6Xk3l">FITS</a> image format.<a class="footnote-ref" id="fnref:28" href="#fn:28"><sup>28</sup></a> Since November 2018 in version 4.1 <i>"al-Khwarizmi"</i> <a href="/facts/AV1/d07UxHgf">AV1</a> can be muxed in <a href="/facts/MP4_file_format/PM0FNvUU">MP4</a> and <a href="/facts/Matroska/hDrffBx0">Matroska</a>, including <a href="/facts/WebM/tP4xgYJc">WebM</a>.<a class="footnote-ref" id="fnref:29" href="#fn:29"><sup>29</sup></a><a class="footnote-ref" id="fnref:30" href="#fn:30"><sup>30</sup></a> </p> <h2 id="components">Components</h2> <h3>Command-line tools</h3> <ul><li><i>ffmpeg</i> 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<a class="footnote-ref" id="fnref:31" href="#fn:31"><sup>31</sup></a> such as a TV capture card.</li> <li><i>ffplay</i> is a simple media player utilizing <a href="/facts/Simple_DirectMedia_Layer/9tSff0Lg">SDL</a> and the FFmpeg libraries.</li> <li><i>ffprobe</i> is a command-line tool to display media information (text, <a href="/facts/Comma-separated_values/dv1pSR1r">CSV</a>, <a href="/facts/XML/clNgUfWk">XML</a>, <a href="/facts/JSON/bs1rUAhd">JSON</a>), see also <a href="/facts/MediaInfo/6LyuEPUj">MediaInfo</a>.</li></ul> <h3>Libraries</h3> <ul><li><i>libswresample</i> is a library containing audio <a href="/facts/Resampling_(audio)/N2G0ezBM">resampling</a> routines.</li> <li><i>libavresample</i> is a library containing audio resampling routines from the Libav project, similar to <i>libswresample</i> from <i>ffmpeg</i>.</li> <li><i><a href="/facts/Libavcodec/69SFWWvw">libavcodec</a></i> 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.</li> <li><i>libavformat</i> (Lavf)<a class="footnote-ref" id="fnref:32" href="#fn:32"><sup>32</sup></a> is a library containing demuxers and muxers for audio/video container formats.</li> <li><i>libavutil</i> is a helper library containing routines common to different parts of FFmpeg. This library includes hash functions, ciphers, <a href="/facts/Lempel%25E2%2580%2593Ziv%25E2%2580%2593Oberhumer/hfS0lRrD">LZO</a> decompressor and <a href="/facts/Base64/xIvVm33q">Base64</a> encoder/decoder.</li> <li><i>libpostproc</i> is a library containing older <a href="/facts/H.263/KSxo04Gy">H.263</a> based <a href="/facts/Video_postprocessing/cDPyuE2W">video postprocessing</a> routines.</li> <li><i>libswscale</i> is a library containing video <a href="/facts/Image_scaling/qNoeujzm">image scaling</a> and <a href="/facts/Color_space/zFvEyfHv">colorspace</a>/pixelformat conversion routines.</li> <li><i>libavfilter</i> is the substitute for vhook which allows the video/audio to be modified or examined (for debugging) between the decoder and the encoder. Filters have been ported from many projects including <a href="/facts/MPlayer/nfyW0yjn">MPlayer</a> and <a href="/facts/Avisynth/ajQdlPmQ">avisynth</a>.</li> <li><i>libavdevice</i> is a library containing audio/video io through internal and external devices.</li></ul> <h2 id="supported-hardware">Supported hardware</h2> <h3>CPUs</h3> <p>FFmpeg encompasses software implementations of video and audio compressing and decompressing algorithms. These can be compiled and run on many different instruction sets, including <a href="/facts/X86/Kypq5fgu">x86</a> (<a href="/facts/IA-32/7yTv1aHH">IA-32</a> and <a href="/facts/X86-64/cyWvUFlP">x86-64</a>), PPC (<a href="/facts/PowerPC/DqmM9y50">PowerPC</a>), <a href="/facts/ARM_architecture_family/SALsYA79">ARM</a>, <a href="/facts/DEC_Alpha/4eN7LuXG">DEC Alpha</a>, <a href="/facts/SPARC/m7KhEtET">SPARC</a>, and <a href="/facts/MIPS_architecture/efV4KgK4">MIPS</a>.<a class="footnote-ref" id="fnref:33" href="#fn:33"><sup>33</sup></a> </p> <h3>Special purpose hardware</h3> <p>There are a variety of <a href="/facts/Application-specific_integrated_circuit/YGUXpX50">application-specific integrated circuits (ASICs)</a> for audio/video compression and decompression. These ASICs can partially or completely offload the computation from the host CPU. Instead of a complete implementation of an algorithm, only the <a href="/facts/API/GMlN4vUr">API</a> is required to use such an ASIC.<a class="footnote-ref" id="fnref:34" href="#fn:34"><sup>34</sup></a> </p> <table><tbody><tr><th>Firm</th><th>ASIC</th><th>purpose</th><th>supported by FFmpeg</th><th>Details</th></tr><tr><td rowspan="2">AMD</td><td><a href="/facts/Unified_Video_Decoder/aQrrwg54">UVD</a></td><td>decoding</td><td></td><td>via <a href="/facts/VDPAU/nQ1IYIdW">VDPAU</a> API and <a href="/facts/Video_Acceleration_API/69nfosYC">VAAPI</a></td></tr><tr><td><a href="/facts/Video_Coding_Engine/4L5MLb6K">VCE</a></td><td>encoding</td><td></td><td>via <a href="/facts/Video_Acceleration_API/69nfosYC">VAAPI</a>, considered experimental<a class="footnote-ref" id="fnref:35" href="#fn:35"><sup>35</sup></a></td></tr><tr><td>Amlogic</td><td><a href="/facts/Amlogic_Video_Engine/9pWkUrbl">Amlogic Video Engine</a></td><td>decoding</td><td>?</td><td></td></tr><tr><td>BlackMagic</td><td>DeckLink</td><td>encoding/decoding</td><td></td><td>real-time ingest and playout</td></tr><tr><td>Broadcom</td><td><a href="/facts/Broadcom_Crystal_HD/opBWB7NT">Crystal HD</a></td><td>decoding</td><td></td><td></td></tr><tr><td><a href="/facts/Qualcomm/v54S3UgA">Qualcomm</a></td><td><a href="/facts/Qualcomm_Hexagon/o2TV91up">Hexagon</a></td><td>encoding/decoding</td><td></td><td>hwaccel<a class="footnote-ref" id="fnref:36" href="#fn:36"><sup>36</sup></a></td></tr><tr><td rowspan="2">Intel</td><td><a href="/facts/Intel_Clear_Video/2QT09ukX">Intel Clear Video</a></td><td>decoding</td><td></td><td>(libmfx, VAAPI)</td></tr><tr><td><a href="/facts/Intel_Quick_Sync_Video/3A6RcIJh">Intel Quick Sync Video</a></td><td>encoding/decoding</td><td></td><td>(libmfx, VAAPI)</td></tr><tr><td rowspan="2">Nvidia</td><td><a href="/facts/Nvidia_PureVideo/LsNonJny">PureVideo / NVDEC</a></td><td>decoding</td><td></td><td>via the <a href="/facts/VDPAU/nQ1IYIdW">VDPAU</a> API as of FFmpeg v1.2 (deprecated)via <a href="/facts/CUDA/fvPpolot">CUVID</a> API as of FFmpeg v3.1<a class="footnote-ref" id="fnref:37" href="#fn:37"><sup>37</sup></a></td></tr><tr><td><a href="/facts/Nvidia_NVENC/VvsT4BUx">NVENC</a></td><td>encoding</td><td></td><td>as of FFmpeg v2.6</td></tr></tbody></table> <p>The following APIs are also supported: <a href="/facts/DirectX_Video_Acceleration/0rCKebDp">DirectX Video Acceleration</a> (DXVA2, Windows), <a href="/facts/Direct3D_11/WHJ6DTcv">Direct3D 11</a> (D3D11VA, Windows), <a href="/facts/Media_Foundation/KNcV7zX0">Media Foundation</a> (Windows), <a href="/facts/Vulkan/e188Vdpc">Vulkan</a> (VKVA), VideoToolbox (iOS, iPadOS, macOS), RockChip MPP, <a href="/facts/OpenCL/ns8y6np7">OpenCL</a>, <a href="/facts/OpenMAX/uLBY8gXQ">OpenMAX</a>, MMAL (Raspberry Pi), MediaCodec (<a href="/facts/Android_(operating_system)/nNyHb0xz">Android OS</a>), V4L2 (Linux). Depending on the environment, these APIs may lead to specific ASICs, to <a href="/facts/GPGPU/roBwsPY2">GPGPU</a> routines, or to <a href="/facts/SIMD/gQHWQSpo">SIMD</a> CPU code.<a class="footnote-ref" id="fnref:38" href="#fn:38"><sup>38</sup></a> </p> <h2 id="supported-codecs-and-formats">Supported codecs and formats</h2> <h3>Image formats</h3> <p>FFmpeg supports many common and some uncommon image formats. </p><p>The PGMYUV image format is a homebrew variant of the binary (P5) PGM <a href="/facts/Netpbm_format/JnAKxh8B">Netpbm format</a>. FFmpeg also supports 16-bit depths of the PGM and PPM formats, and the binary (P7) <a href="/facts/Netpbm/JnAKxh8B">PAM</a> format with or without alpha channel, depth 8 bit or 16 bit for pix_fmts <i>monob, gray, gray16be, rgb24, rgb48be, ya8, rgba, rgb64be</i>. </p> <h3>Supported formats</h3> <p class="note">Further information: <a href="/facts/Libavcodec/69SFWWvw">libavcodec</a></p> <p>In addition to <a href="/facts/FFV1/4jgrMNBK">FFV1</a> and Snow formats, which were created and developed from within FFmpeg, the project also supports the following formats: </p> <table><tbody><tr><th>Group</th><th>Format type</th><th>Format name</th></tr><tr><td rowspan="4"><a href="/facts/International_Organization_for_Standardization/IacYR7Yg">ISO</a>/<a href="/facts/International_Electrotechnical_Commission/hSK0kjwI">IEC</a>/<a href="/facts/ITU-T/9nJwkPYx">ITU-T</a></td><td>Video</td><td><a href="/facts/MPEG-1_Part_2/ewnQQLPD">MPEG-1 Part 2</a>, <a href="/facts/H.261/2XzQrNgo">H.261</a> (Px64),<a class="footnote-ref" id="fnref:39" href="#fn:39"><sup>39</sup></a> <a href="/facts/H.262%2fMPEG-2_Part_2/uKxBALVh">H.262/MPEG-2 Part 2</a>, <a href="/facts/H.263/KSxo04Gy">H.263</a>,<a class="footnote-ref" id="fnref:40" href="#fn:40"><sup>40</sup></a> <a href="/facts/MPEG-4_Part_2/qrahXdyN">MPEG-4 Part 2</a>, <a href="/facts/H.264%2fMPEG-4_AVC/soCzKcmJ">H.264/MPEG-4 AVC</a>, <a href="/facts/High_Efficiency_Video_Coding/6gp7DC1a">HEVC/H.265</a><a class="footnote-ref" id="fnref:41" href="#fn:41"><sup>41</sup></a> (MPEG-H Part 2), <a href="/facts/Internet_Video_Coding/6N0DtQBy">MPEG-4 VCB</a> (a.k.a. VP8), <a href="/facts/Motion_JPEG/X68g4FvS">Motion JPEG</a>, IEC <a href="/facts/DV_(video_format)/WIDU6bWW">DV</a> video and <a href="/facts/CD%252BG/z5Wcqj7d">CD+G</a></td></tr><tr><td>Audio</td><td><a href="/facts/MPEG-1_Audio_Layer_I/Gqhttw23">MP1</a>, <a href="/facts/MPEG-1_Audio_Layer_II/eBSjFASu">MP2</a>, <a href="/facts/MP3/yrBpxUSD">MP3</a>, <a href="/facts/Advanced_Audio_Coding/VAG9NpI4">AAC</a>, <a href="/facts/High-Efficiency_Advanced_Audio_Coding/LC0ELcAK">HE-AAC</a>, <a href="/facts/MPEG-4_ALS/ptpbl4hK">MPEG-4 ALS</a>, <a href="/facts/G.711/kopBvF25">G.711</a> μ-law, <a href="/facts/G.711/kopBvF25">G.711</a> A-law, <a href="/facts/G.721/7NXhvfV8">G.721</a> (a.k.a. <a href="/facts/G.726/7NXhvfV8">G.726</a> 32k), <a href="/facts/G.722/z6J1sSuU">G.722</a>, <a href="/facts/G.722.2/J70f7LGx">G.722.2</a> (a.k.a. AMR-WB), <a href="/facts/G.723/5YvgKwaj">G.723</a> (a.k.a. <a href="/facts/G.726/7NXhvfV8">G.726</a> 24k and 40k), <a href="/facts/G.723.1/FJSeW8kg">G.723.1</a>, <a href="/facts/G.726/7NXhvfV8">G.726</a>, <a href="/facts/G.729/BB4JexQf">G.729</a>, G.729D, IEC <a href="/facts/DV_(video_format)/WIDU6bWW">DV</a> audio and <a href="/facts/Super_Audio_CD/f4a7Gu0V">Direct Stream Transfer</a></td></tr><tr><td>Subtitle</td><td><a href="/facts/MPEG-4_Part_17/olegbToU">MPEG-4 Timed Text</a> (a.k.a. 3GPP Timed Text)</td></tr><tr><td>Image</td><td><a href="/facts/JPEG/HQ8QS3uB">JPEG</a>, <a href="/facts/Lossless_JPEG/6E9zWoj1">Lossless JPEG</a>, <a href="/facts/JPEG-LS/6E9zWoj1">JPEG-LS</a>, <a href="/facts/JPEG_2000/GAzXdHI2">JPEG 2000</a>, <a href="/facts/JPEG_XL/gU0o8Kcr">JPEG XL</a>,<a class="footnote-ref" id="fnref:42" href="#fn:42"><sup>42</sup></a> <a href="/facts/Portable_Network_Graphics/mwgK6xw5">PNG</a>, <a href="/facts/Fax/EBvf1cHA">CCITT G3</a> and <a href="/facts/Group_4_compression/KUs8D16y">CCITT G4</a></td></tr><tr><td rowspan="2"><a href="/facts/Alliance_for_Open_Media/hh8D2xpK">Alliance for Open Media</a></td><td>Video</td><td><a href="/facts/AV1/d07UxHgf">AV1</a><a class="footnote-ref" id="fnref:43" href="#fn:43"><sup>43</sup></a></td></tr><tr><td>Image</td><td><a href="/facts/AVIF/d07UxHgf">AVIF</a><a class="footnote-ref" id="fnref:44" href="#fn:44"><sup>44</sup></a></td></tr><tr><td><a href="/facts/Electronic_Industries_Alliance/CIxRjt05">EIA</a></td><td>Subtitle</td><td><a href="/facts/EIA-608/MtNb8Pb5">EIA-608</a></td></tr><tr><td><a href="/facts/Consumer_Electronics_Association/4mwfDzM8">CEA</a></td><td>Subtitle</td><td><a href="/facts/CEA-708/fySzFkq0">CEA-708</a></td></tr><tr><td rowspan="3"><a href="/facts/Society_of_Motion_Picture_and_Television_Engineers/lwCdWynu">SMPTE</a></td><td>Video</td><td>SMPTE 314M (a.k.a. <a href="/facts/DV_(video_format)/WIDU6bWW">DVCAM</a> and <a href="/facts/DV_(video_format)/WIDU6bWW">DVCPRO</a>), SMPTE 370M (a.k.a. <a href="/facts/DV_(video_format)/WIDU6bWW">DVCPRO HD</a>), <a href="/facts/VC-1/KotHFF8I">VC-1</a> (a.k.a. WMV3), <a href="/facts/VC-2/RJGIIss7">VC-2</a> (a.k.a. Dirac Pro), <a href="/facts/VC-3/ItNzz9g8">VC-3</a> (a.k.a. AVID <a href="/facts/DNxHD/ItNzz9g8">DNxHD</a>)</td></tr><tr><td>Audio</td><td>SMPTE 302M</td></tr><tr><td>Image</td><td><a href="/facts/Digital_Picture_Exchange/oIAA1bux">DPX</a></td></tr><tr><td rowspan="2"><a href="/facts/Advanced_Television_Systems_Committee_standards/RIYWmB7v">ATSC</a>/<a href="/facts/ETSI/8rJbbhPg">ETSI</a>/<a href="/facts/Digital_Video_Broadcasting/KPGNTGBJ">DVB</a></td><td>Audio</td><td><a href="/facts/Full_Rate/WFfuQf2C">Full Rate</a> (GSM 06.10), AC-3 (<a href="/facts/Dolby_Digital/58JfURnU">Dolby Digital</a>), Enhanced AC-3 (<a href="/facts/Dolby_Digital_Plus/3JUILSBr">Dolby Digital Plus</a>) and <a href="/facts/DTS_(sound_system)/wbQwqtdQ">DTS Coherent Acoustics</a> (a.k.a. DTS or DCA)</td></tr><tr><td>Subtitle</td><td>DVB Subtitling (ETSI 300 743)</td></tr><tr><td rowspan="2"><a href="/facts/DVD_Forum/kvc4GaQ6">DVD Forum</a>/<a href="/facts/Dolby/0rcH0SmW">Dolby</a></td><td>Audio</td><td><a href="/facts/Meridian_Lossless_Packing/uUXCuWSE">MLP</a> / <a href="/facts/Dolby_TrueHD/ySxj3zIY">Dolby TrueHD</a></td></tr><tr><td>Subtitle</td><td><a href="/facts/DVD-Video/V7pyI58m">DVD-Video subtitles</a></td></tr><tr><td><a href="/facts/Xperi/dXQVx3rM">Xperi</a>/<a href="/facts/DTS_(sound_system)/wbQwqtdQ">DTS, Inc</a>/<a href="/facts/QDesign/xAdwytm1">QDesign</a></td><td>Audio</td><td><a href="/facts/DTS_(sound_system)/wbQwqtdQ">DTS Coherent Acoustics</a> (a.k.a. DTS or DCA), <a href="/facts/DTS_(sound_system)/wbQwqtdQ">DTS Extended Surround</a> (a.k.a. DTS-ES), <a href="/facts/DTS_(sound_system)/wbQwqtdQ">DTS 96/24</a>, <a href="/facts/DTS_(sound_system)/wbQwqtdQ">DTS-HD High Resolution Audio</a>, DTS Express (a.k.a. DTS-HD LBR), <a href="/facts/DTS-HD_Master_Audio/zprgCEGx">DTS-HD Master Audio</a>, <a href="/facts/QDesign/xAdwytm1">QDesign</a> Music Codec 1 and 2</td></tr><tr><td><a href="/facts/Blu-ray_Disc_Association/yf4GM6EA">Blu-ray Disc Association</a></td><td>Subtitle</td><td>PGS (Presentation Graphics Stream)</td></tr><tr><td><a href="/facts/3GPP/TBrQYKFF">3GPP</a></td><td>Audio</td><td><a href="/facts/AMR-NB/lE2gNqNr">AMR-NB</a>, <a href="/facts/AMR-WB/J70f7LGx">AMR-WB</a> (a.k.a. G.722.2)</td></tr><tr><td><a href="/facts/3rd_Generation_Partnership_Project_2/6bNoq0n6">3GPP2</a></td><td>Audio</td><td><a href="/facts/Qualcomm_code-excited_linear_prediction/nbkrTquM">QCELP</a>-8 (a.k.a. SmartRate or IS-96C), QCELP-13 (a.k.a. PureVoice or IS-733) and <a href="/facts/Enhanced_Variable_Rate_Codec/nDbCJavz">Enhanced Variable Rate Codec</a> (EVRC. a.k.a. IS-127)</td></tr><tr><td rowspan="3"><a href="/facts/World_Wide_Web_Consortium/lGWmhF6M">World Wide Web Consortium</a></td><td>Video</td><td><a href="/facts/GIF/HfIBWrIC">Animated GIF</a><a class="footnote-ref" id="fnref:45" href="#fn:45"><sup>45</sup></a></td></tr><tr><td>Subtitle</td><td><a href="/facts/WebVTT/sFarVuof">WebVTT</a></td></tr><tr><td>Image</td><td><a href="/facts/GIF/HfIBWrIC">GIF</a>, and <a href="/facts/Scalable_Vector_Graphics/ARq5C3YV">SVG</a> (via <a href="/facts/Librsvg/2mCkCesT">librsvg</a>)</td></tr><tr><td rowspan="2"><a href="/facts/Internet_Engineering_Task_Force/tIcCsFhX">IETF</a></td><td>Video</td><td><a href="/facts/FFV1/4jgrMNBK">FFV1</a></td></tr><tr><td>Audio</td><td><a href="/facts/Internet_Low_Bitrate_Codec/rPQsKfjo">iLBC</a> (via libilbc), <a href="/facts/Opus_(audio_format)/VP4KuGre">Opus</a> and <a href="/facts/Comfort_noise/3IvEmfKA">Comfort noise</a></td></tr><tr><td>International Voice Association</td><td>Audio</td><td><a href="/facts/Digital_Speech_Standard/SyXoxtGU">DSS-SP</a></td></tr><tr><td><a href="/facts/Standardization_Administration_of_China/NsNrUTRY">SAC</a></td><td>Video</td><td><a href="/facts/Audio_Video_Standard/t8G6YWvd">AVS video</a>, AVS2 video<a class="footnote-ref" id="fnref:46" href="#fn:46"><sup>46</sup></a> (via libdavs2), and AVS3 video (via libuavs3d)</td></tr><tr><td rowspan="4"><a href="/facts/Microsoft/nGIDDXdx">Microsoft</a></td><td>Video</td><td>Microsoft <a href="/facts/Run-length_encoding/3k6x9afM">RLE</a>, <a href="/facts/Microsoft_Video_1/bzJqe61X">Microsoft Video 1</a>, <a href="/facts/Cinepak/7l5Jhr0Y">Cinepak</a>, Microsoft <a href="/facts/MPEG-4_Part_2/qrahXdyN">MPEG-4</a> v1, v2 and v3, <a href="/facts/Windows_Media_Video/dvIxao6b">Windows Media Video</a> (WMV1, WMV2, WMV3/<a href="/facts/VC-1/KotHFF8I">VC-1</a>), <a href="/facts/Windows_Media_Video/dvIxao6b">WMV Screen</a> and Mimic codec</td></tr><tr><td>Audio</td><td><a href="/facts/Windows_Media_Audio/s5zePro7">Windows Media Audio</a> (WMA1, WMA2, WMA Pro and WMA Lossless), <a href="/facts/XMA_(audio_format)/s5zePro7">XMA</a> (XMA1 and XMA2),<a class="footnote-ref" id="fnref:47" href="#fn:47"><sup>47</sup></a> MSN <a href="/facts/Siren_(codec)/V28Md411">Siren</a>, MS-GSM and MS-ADPCM</td></tr><tr><td>Subtitle</td><td><a href="/facts/SAMI/u50BjT2U">SAMI</a></td></tr><tr><td>Image</td><td><a href="/facts/BMP_file_format/I4LtCFLk">Windows Bitmap</a>, <a href="/facts/Windows_Media_Video/dvIxao6b">WMV Image</a> (WMV9 Image and WMV9 Image v2), <a href="/facts/DirectDraw_Surface/NwMoxWKv">DirectDraw Surface</a>, and <a href="/facts/Microsoft_Paint/axJPM2mx">MSP</a><a class="footnote-ref" id="fnref:48" href="#fn:48"><sup>48</sup></a></td></tr><tr><td><a href="/facts/Interactive_Multimedia_Association/TycucYM3">Interactive Multimedia Association</a></td><td>Audio</td><td>IMA ADPCM</td></tr><tr><td rowspan="2"><a href="/facts/Intel/SMF0gJJX">Intel</a> / <a href="/facts/Digital_Video_Interactive/xgnQzpfn">Digital Video Interactive</a></td><td>Video</td><td>RTV 2.1 (<a href="/facts/Indeo/xvNS7f50">Indeo</a> 2), Indeo 3, 4 and 5,<a class="footnote-ref" id="fnref:49" href="#fn:49"><sup>49</sup></a> and Intel H.263</td></tr><tr><td>Audio</td><td>DVI4 (a.k.a. IMA DVI ADPCM), Intel Music Coder, and Indeo Audio Coder</td></tr><tr><td rowspan="3"><a href="/facts/RealNetworks/XenxRXL2">RealNetworks</a></td><td>Video</td><td><a href="/facts/RealVideo/XKhRlNfN">RealVideo</a> Fractal Codec (a.k.a. Iterated Systems ClearVideo), 1, 2, 3 and 4</td></tr><tr><td>Audio</td><td><a href="/facts/RealAudio/Hv3XWbRS">RealAudio</a> v1 – v10, and RealAudio Lossless<a class="footnote-ref" id="fnref:50" href="#fn:50"><sup>50</sup></a></td></tr><tr><td>Subtitle</td><td>RealText</td></tr><tr><td rowspan="4"><a href="/facts/Apple_Inc./oTJYta3k">Apple</a> / Spruce Technologies</td><td>Video</td><td><a href="/facts/Cinepak/7l5Jhr0Y">Cinepak</a> (Apple Compact Video), <a href="/facts/ProRes_422/Ll6fWKvt">ProRes</a>, <a href="/facts/Sorenson_3_Codec/Io1gh5kb">Sorenson 3 Codec</a>, <a href="/facts/QuickTime_Animation/nxNA5Tk7">QuickTime Animation</a> (Apple Animation), <a href="/facts/QuickTime_Graphics/yrK6A8dW">QuickTime Graphics</a> (Apple Graphics), <a href="/facts/Apple_Video/L8aYH99v">Apple Video</a>, <a href="/facts/Apple_Intermediate_Codec/CSVr4p4h">Apple Intermediate Codec</a> and <a href="/facts/Pixlet/fADLMdqC">Pixlet</a><a class="footnote-ref" id="fnref:51" href="#fn:51"><sup>51</sup></a></td></tr><tr><td>Audio</td><td><a href="/facts/Apple_Lossless/a0D0hzbK">ALAC</a></td></tr><tr><td>Image</td><td><a href="/facts/QuickDraw/a3QlTctp">QuickDraw</a> <a href="/facts/PICT/GMlU1vYT">PICT</a></td></tr><tr><td>Subtitle</td><td>Spruce subtitle (STL)</td></tr><tr><td rowspan="2"><a href="/facts/Adobe_Flash_Player/IvnaoU7v">Adobe Flash Player</a> (SWF)</td><td>Video</td><td>Screen video, Screen video 2, <a href="/facts/Sorenson_Media/Io1gh5kb">Sorenson Spark</a> and <a href="/facts/VP6/R3k0w8KU">VP6</a></td></tr><tr><td>Audio</td><td>Adobe SWF <a href="/facts/ADPCM/Q6cFrNUb">ADPCM</a> and <a href="/facts/Nellymoser_Asao_Codec/UVMl0Q3M">Nellymoser Asao</a></td></tr><tr><td><a href="/facts/Adobe_Inc./Bj1d5XvJ">Adobe</a> / <a href="/facts/Aldus_Corporation/3fzImV5j">Aldus</a></td><td>Image</td><td><a href="/facts/Tag_Image_File_Format/TjBJcLeT">TIFF</a>, <a href="/facts/Adobe_Photoshop/f6bbmNx0">PSD</a>,<a class="footnote-ref" id="fnref:52" href="#fn:52"><sup>52</sup></a> and <a href="/facts/Digital_Negative/m8nGhfBB">DNG</a></td></tr><tr><td rowspan="3"><a href="/facts/Xiph.Org/HJCFzyyx">Xiph.Org</a></td><td>Video</td><td><a href="/facts/Theora/RnlKRQBb">Theora</a></td></tr><tr><td>Audio</td><td><a href="/facts/Speex/M7xqnPxN">Speex</a>,<a class="footnote-ref" id="fnref:53" href="#fn:53"><sup>53</sup></a> <a href="/facts/Vorbis/rqJDTF0T">Vorbis</a>, <a href="/facts/Opus_(audio_codec)/VP4KuGre">Opus</a> and <a href="/facts/FLAC/TbqpHlWy">FLAC</a></td></tr><tr><td>Subtitle</td><td><a href="/facts/Ogg_Writ/KF4j68N7">Ogg Writ</a></td></tr><tr><td><a href="/facts/Sony/7x4tCtBd">Sony</a></td><td>Audio</td><td><a href="/facts/Adaptive_Transform_Acoustic_Coding/kD9psz23">Adaptive Transform Acoustic Coding</a> (ATRAC1, ATRAC3, ATRAC3Plus,<a class="footnote-ref" id="fnref:54" href="#fn:54"><sup>54</sup></a> and ATRAC9<a class="footnote-ref" id="fnref:55" href="#fn:55"><sup>55</sup></a>)<a class="footnote-ref" id="fnref:56" href="#fn:56"><sup>56</sup></a> and PSX ADPCM</td></tr><tr><td><a href="/facts/Nippon_Telegraph_and_Telephone/a3gI457X">NTT</a></td><td>Audio</td><td><a href="/facts/TwinVQ/tQxnalzd">TwinVQ</a></td></tr><tr><td rowspan="3"><a href="/facts/Google/GT9Sugza">Google</a> / <a href="/facts/On2/IDyBFK8S">On2</a> / <a href="/facts/Global_IP_Solutions/tXlPcY6a">GIPS</a></td><td>Video</td><td>Duck TrueMotion 1, Duck TrueMotion 2, Duck TrueMotion 2.0 Real Time, <a href="/facts/VP3/0uCWamRp">VP3</a>, <a href="/facts/VP4/0uCWamRp">VP4</a>,<a class="footnote-ref" id="fnref:57" href="#fn:57"><sup>57</sup></a> <a href="/facts/VP5/IDyBFK8S">VP5</a>,<a class="footnote-ref" id="fnref:58" href="#fn:58"><sup>58</sup></a> <a href="/facts/VP6/R3k0w8KU">VP6</a>,<a class="footnote-ref" id="fnref:59" href="#fn:59"><sup>59</sup></a> <a href="/facts/VP7/IDyBFK8S">VP7</a>, <a href="/facts/VP8/dfoDPMDg">VP8</a>,<a class="footnote-ref" id="fnref:60" href="#fn:60"><sup>60</sup></a> <a href="/facts/VP9/dBP8ffoc">VP9</a><a class="footnote-ref" id="fnref:61" href="#fn:61"><sup>61</sup></a> and animated WebP</td></tr><tr><td>Audio</td><td><a href="/facts/On2_Technologies/IDyBFK8S">DK ADPCM Audio 3/4</a>, On2 AVC and <a href="/facts/Internet_Low_Bitrate_Codec/rPQsKfjo">iLBC</a> (via libilbc)</td></tr><tr><td>Image</td><td><a href="/facts/WebP/W5Gv7mhf">WebP</a><a class="footnote-ref" id="fnref:62" href="#fn:62"><sup>62</sup></a></td></tr><tr><td rowspan="2"><a href="/facts/Epic_Games/aoS4cGsK">Epic Games</a> / RAD Game Tools</td><td>Video</td><td><a href="/facts/Smacker_video/qauP511U">Smacker video</a> and <a href="/facts/Bink_video/x34Yexem">Bink video</a></td></tr><tr><td>Audio</td><td>Bink audio</td></tr><tr><td><a href="/facts/CRI_Middleware/ET0KcSrE">CRI Middleware</a></td><td>Audio</td><td><a href="/facts/ADX_(file_format)/t5Ms5SM3">ADX ADPCM</a>, and HCA</td></tr><tr><td rowspan="2"><a href="/facts/Nintendo/dMrLpaHu">Nintendo</a> / <a href="/facts/Nintendo_European_Research_%2526_Development/syT15LNG">NERD</a></td><td>Video</td><td><a href="/facts/Nintendo_European_Research_%2526_Development/syT15LNG">Mobiclip video</a></td></tr><tr><td>Audio</td><td>GCADPCM (a.k.a. ADPCM THP), FastAudio, and ADPCM IMA MOFLEX</td></tr><tr><td><a href="/facts/Synaptics/TnKed0Qr">Synaptics</a> / <a href="/facts/DSP_Group/Refzjpvt">DSP Group</a></td><td>Audio</td><td><a href="/facts/Truespeech/XpC5kRul">Truespeech</a></td></tr><tr><td rowspan="2"><a href="/facts/Electronic_Arts/fy7Ppdem">Electronic Arts</a> / <a href="/facts/Criterion_Games/CAEnG59r">Criterion Games</a> / <a href="/facts/EA_Black_Box/2aQ0fMDG">Black Box Games</a> / <a href="/facts/Westwood_Studios/npEcemwB">Westwood Studios</a></td><td>Video</td><td><a href="/facts/RenderWare/6LswylKn">RenderWare</a> TXD,<a class="footnote-ref" id="fnref:63" href="#fn:63"><sup>63</sup></a> Madcow, CMV, TGV, TGQ, TQI, Midivid VQ (MVDV), MidiVid 3.0 (MV30), Midivid Archival (MVHA), and Vector Quantized Animation (VQA)</td></tr><tr><td>Audio</td><td>Electronic Arts ADPCM variants</td></tr><tr><td><a href="/facts/Netpbm/JnAKxh8B">Netpbm</a></td><td>Image</td><td><a href="/facts/Netpbm_format/JnAKxh8B">PBM, PGM, PPM, PNM, PAM, PFM and PHM</a></td></tr><tr><td>MIT/X Consortium/<a href="/facts/The_Open_Group/uRoDdEae">The Open Group</a></td><td>Image</td><td><a href="/facts/X_BitMap/lyIIUDqs">XBM</a>,<a class="footnote-ref" id="fnref:64" href="#fn:64"><sup>64</sup></a> <a href="/facts/X_PixMap/4DqfE6Gf">XPM</a> and <a href="/facts/Xwd/5BVPneXT">xwd</a></td></tr><tr><td rowspan="2"><a href="/facts/Hewlett_Packard_Enterprise/d9NbClDt">HPE</a> / <a href="/facts/Silicon_Graphics_International/IfrJDnHP">SGI</a> / <a href="/facts/Silicon_Graphics/DKvkrfLX">Silicon Graphics</a></td><td>Video</td><td>Silicon Graphics RLE 8-bit video,<a class="footnote-ref" id="fnref:65" href="#fn:65"><sup>65</sup></a> Silicon Graphics MVC1/2<a class="footnote-ref" id="fnref:66" href="#fn:66"><sup>66</sup></a></td></tr><tr><td>Image</td><td><a href="/facts/Silicon_Graphics_Image/xklm6dML">Silicon Graphics Image</a></td></tr><tr><td><a href="/facts/Oracle_Corporation/0z14FygH">Oracle</a>/<a href="/facts/Sun_Microsystems/VJ9EzEFd">Sun Microsystems</a></td><td>Image</td><td><a href="/facts/Sun_Raster/kcIyfp23">Sun Raster</a></td></tr><tr><td><a href="/facts/IBM/QszA7nwd">IBM</a></td><td>Video</td><td>IBM UltiMotion</td></tr><tr><td rowspan="2"><a href="/facts/Avid_Technology/rf0WrKF6">Avid Technology</a> / <a href="/facts/Truevision/rGHjoAeY">Truevision</a></td><td>Video</td><td>Avid 1:1x, Avid Meridien,<a class="footnote-ref" id="fnref:67" href="#fn:67"><sup>67</sup></a> Avid <a href="/facts/DNxHD/ItNzz9g8">DNxHD</a>, Avid DNx444,<a class="footnote-ref" id="fnref:68" href="#fn:68"><sup>68</sup></a> and <a href="/facts/DNxHR_codec/l9CyXtWk">DNxHR</a></td></tr><tr><td>Image</td><td><a href="/facts/Truevision_TGA/rQc1hHS4">Targa</a><a class="footnote-ref" id="fnref:69" href="#fn:69"><sup>69</sup></a></td></tr><tr><td rowspan="2"><a href="/facts/Autodesk/6aydGFN5">Autodesk</a> / <a href="/facts/Alias_Systems_Corporation/sLmptLKc">Alias</a></td><td>Video</td><td><a href="/facts/Autodesk_Animator/4eBz2c45">Autodesk Animator Studio Codec</a> and <a href="/facts/FLIC_(file_format)/PKnuDBUP">FLIC</a></td></tr><tr><td>Image</td><td>Alias PIX</td></tr><tr><td><a href="/facts/Activision_Blizzard/gPnVvNtk">Activision Blizzard</a> / <a href="/facts/Activision/NmDDD1wW">Activision</a> / <a href="/facts/Infocom/H0es7Y3g">Infocom</a></td><td>Audio</td><td>ADPCM <a href="/facts/Zork/foP222ad">Zork</a></td></tr><tr><td rowspan="2"><a href="/facts/Konami/pBu2rpta">Konami</a> / <a href="/facts/Hudson_Soft/BzmLg79F">Hudson Soft</a></td><td>Video</td><td>HVQM4 Video</td></tr><tr><td>Audio</td><td>Konami MTAF, and ADPCM IMA HVQM4</td></tr><tr><td><a href="/facts/Grass_Valley_(company)/ehRye4Q0">Grass Valley</a> / <a href="/facts/Canopus_Corporation/vcIEoSxg">Canopus</a></td><td>Video</td><td>HQ, HQA, HQX and Lossless</td></tr><tr><td rowspan="2"><a href="/facts/Vizrt/GUNC0KXe">Vizrt</a> / <a href="/facts/NewTek/pYrvklfW">NewTek</a></td><td>Video</td><td>SpeedHQ</td></tr><tr><td>Image</td><td>Vizrt Binary Image<a class="footnote-ref" id="fnref:70" href="#fn:70"><sup>70</sup></a></td></tr><tr><td>Academy Software Foundation / <a href="/facts/Industrial_Light_%2526_Magic/P6J0qtC7">ILM</a></td><td>Image</td><td><a href="/facts/OpenEXR/Qrr9TgYb">OpenEXR</a><a class="footnote-ref" id="fnref:71" href="#fn:71"><sup>71</sup></a></td></tr><tr><td><a href="/facts/Mozilla_Corporation/AGF9famv">Mozilla Corporation</a></td><td>Video</td><td><a href="/facts/APNG/3DWjB2s5">APNG</a><a class="footnote-ref" id="fnref:72" href="#fn:72"><sup>72</sup></a></td></tr><tr><td><a href="/facts/Matrox/mvvP6jDX">Matrox</a></td><td>Video</td><td>Matrox Uncompressed SD (M101) / HD (M102)</td></tr><tr><td><a href="/facts/Advanced_Micro_Devices/CB1G7QTb">AMD</a>/<a href="/facts/ATI_Technologies/7hPl9Cqx">ATI</a></td><td>Video</td><td>ATI VCR1/VCR2</td></tr><tr><td><a href="/facts/Asus/134Qobfp">Asus</a></td><td>Video</td><td>ASUS V1/V2 codec</td></tr><tr><td><a href="/facts/Commodore_International/SlfXKbCN">Commodore</a></td><td>Video</td><td><a href="/facts/CDXL/5bS0N3mA">CDXL</a> codec</td></tr><tr><td><a href="/facts/Kodak/zMnK74Cp">Kodak</a></td><td>Image</td><td><a href="/facts/Photo_CD/Y4Klg0hA">Photo CD</a></td></tr><tr><td><a href="/facts/Blackmagic_Design/83GhYcsC">Blackmagic Design</a> / <a href="/facts/Cintel/8LDSMrw9">Cintel</a></td><td>Image</td><td>Cintel RAW</td></tr><tr><td><a href="/facts/Houghton_Mifflin_Harcourt/byG66zxw">Houghton Mifflin Harcourt</a> / <a href="/facts/The_Learning_Company/CLGNrYq3">The Learning Company</a> / ZSoft Corporation</td><td>Image</td><td><a href="/facts/PCX/3c8YkPQS">PCX</a></td></tr><tr><td><a href="/facts/Australian_National_University/fqzCfrdp">Australian National University</a></td><td>Image</td><td><a href="/facts/X-Face/413pwJD7">X-Face</a><a class="footnote-ref" id="fnref:73" href="#fn:73"><sup>73</sup></a></td></tr><tr><td><a href="/facts/Bluetooth_Special_Interest_Group/w1xtmaev">Bluetooth Special Interest Group</a></td><td>Audio</td><td><a href="/facts/SBC_(codec)/SQCUG3JY">SBC</a>, and mSBC</td></tr><tr><td><a href="/facts/Qualcomm/v54S3UgA">Qualcomm</a> / <a href="/facts/CSR_(company)/mKGWb7X9">CSR</a></td><td>Audio</td><td><a href="/facts/Qualcomm_code-excited_linear_prediction/nbkrTquM">QCELP</a>, <a href="/facts/AptX/cSevMczh">aptX</a>, and <a href="/facts/AptX/cSevMczh">aptX HD</a></td></tr><tr><td><a href="/facts/Open_Mobile_Alliance/5sQQMsvo">Open Mobile Alliance</a> / WAP Forum</td><td>Image</td><td><a href="/facts/Wireless_Application_Protocol_Bitmap_Format/Qpeor3BW">Wireless Bitmap</a></td></tr></tbody></table> <h3>Muxers</h3> <p>Output formats (container formats and other ways of creating output streams) in FFmpeg are called "muxers". FFmpeg supports, among others, the following: </p> <ul><li><a href="/facts/Audio_Interchange_File_Format/zNjxHR1C">AIFF</a></li> <li><a href="/facts/Advanced_Systems_Format/F6qRRGJa">ASF</a></li> <li><a href="/facts/Audio_Video_Interleave/2pr8AoRT">AVI</a> and also input from <a href="/facts/AviSynth/ajQdlPmQ">AviSynth</a></li> <li>BFI<a class="footnote-ref" id="fnref:74" href="#fn:74"><sup>74</sup></a></li> <li><a href="/facts/Core_Audio_Format/Q8jNu6bK">CAF</a></li> <li><a href="/facts/FLV/rbbPoE7H">FLV</a></li> <li><a href="/facts/GIF/HfIBWrIC">GIF</a></li> <li><a href="/facts/General_Exchange_Format/gdJYmnE4">GXF</a>, General eXchange Format, SMPTE 360M</li> <li><a href="/facts/HTTP_Live_Streaming/ryHrK3aF">HLS</a>, HTTP Live Streaming</li> <li><a href="/facts/Interchange_File_Format/tuwp8bH7">IFF</a><a class="footnote-ref" id="fnref:75" href="#fn:75"><sup>75</sup></a></li> <li><a href="/facts/ISO_base_media_file_format/whvAPejY">ISO base media file format</a> (including <a href="/facts/QuickTime_File_Format/WQVMMCQT">QuickTime</a>, <a href="/facts/3GP_and_3G2/EYCqToLu">3GP</a> and <a href="/facts/MP4_file_format/PM0FNvUU">MP4</a>)</li> <li><a href="/facts/Matroska/hDrffBx0">Matroska</a> (including <a href="/facts/WebM/tP4xgYJc">WebM</a>)</li> <li><a href="/facts/Maxis/B6tdv7c2">Maxis XA</a><a class="footnote-ref" id="fnref:76" href="#fn:76"><sup>76</sup></a></li> <li><a href="/facts/Dynamic_Adaptive_Streaming_over_HTTP/V1sHKrlC">MPEG-DASH</a><a class="footnote-ref" id="fnref:77" href="#fn:77"><sup>77</sup></a></li> <li><a href="/facts/MPEG_program_stream/RFPjsqD1">MPEG program stream</a></li> <li><a href="/facts/MPEG_transport_stream/2wBLnyeD">MPEG transport stream</a> (including <a href="/facts/AVCHD/ds6h7Umz">AVCHD</a>)</li> <li><a href="/facts/Material_Exchange_Format/nw80R93X">MXF</a>, Material eXchange Format, SMPTE 377M</li> <li>MSN Webcam stream<a class="footnote-ref" id="fnref:78" href="#fn:78"><sup>78</sup></a></li> <li>NUT<a class="footnote-ref" id="fnref:79" href="#fn:79"><sup>79</sup></a></li> <li><a href="/facts/Ogg/KF4j68N7">Ogg</a></li> <li><a href="/facts/OpenMG_Audio/bcCEWQbR">OMA</a><a class="footnote-ref" id="fnref:80" href="#fn:80"><sup>80</sup></a></li> <li><a href="/facts/Voyeur_(video_game)/svbgVTPH">RL2</a><a class="footnote-ref" id="fnref:81" href="#fn:81"><sup>81</sup></a></li> <li>Segment, for creating segmented video streams</li> <li><a href="/facts/Smooth_Streaming/K3oSzyJB">Smooth Streaming</a></li> <li>TXD<a class="footnote-ref" id="fnref:82" href="#fn:82"><sup>82</sup></a></li> <li><a href="/facts/Windows_Media_Center/8S5EqIQ9">WTV</a></li></ul> <h3>Pixel formats</h3> <table><tbody><tr><th rowspan="2">Type</th><th rowspan="2">Color</th><th colspan="2"><a href="/facts/Packed_pixel/uUHfyGGG">Packed</a></th><th colspan="3"><a href="/facts/Planar_(computer_graphics)/v4U9TFIn">Planar</a></th><th><a href="/facts/Indexed_color/ljGwHMGE">Palette</a></th></tr><tr><th>Without alpha</th><th>With <a href="/facts/Alpha_compositing/7uUBtjrt">alpha</a></th><th>Without alpha</th><th>With alpha</th><th>Chroma-interleaved</th><th>With alpha</th></tr><tr><th rowspan="2"><a href="/facts/Monochrome/CMCsjH2N">Monochrome</a></th><td><a href="/facts/Binary_image/qaKaPntY">Binary</a> (1-bit monochrome)</td><td>monoblack, monowhite</td><td>—</td><td>—</td><td>—</td><td>—</td><td>—</td></tr><tr><td><a href="/facts/Grayscale/Tjb9kR8v">Grayscale</a></td><td>8/9/10/12/14/16bpp</td><td>—</td><td>—</td><td>16/32bpp</td><td>—</td><td>—</td></tr><tr><th rowspan="6"><a href="/facts/RGB/3Be0zwCj">RGB</a></th><td>RGB 1:2:1 (4-bit color)</td><td>4bpp</td><td>—</td><td>—</td><td>—</td><td>—</td><td>—</td></tr><tr><td>RGB 3:3:2 (<a href="/facts/8-bit_color/KaQYeXC1">8-bit color</a>)</td><td>8bpp</td><td>—</td><td>—</td><td>—</td><td>—</td><td>—</td></tr><tr><td>RGB 5:5:5 (<a href="/facts/High_color/kv96eBp8">High color</a>)</td><td>16bpp</td><td>—</td><td>—</td><td>—</td><td>—</td><td>—</td></tr><tr><td>RGB 5:6:5 (High color)</td><td>16bpp</td><td>—</td><td>—</td><td>—</td><td>—</td><td>—</td></tr><tr><td>RGB/BGR</td><td>24/30<a class="footnote-ref" id="fnref:83" href="#fn:83"><sup>83</sup></a>/48bpp</td><td>32<a class="footnote-ref" id="fnref:84" href="#fn:84"><sup>84</sup></a>/64bpp</td><td>—</td><td>—</td><td>—</td><td>8bit->32bpp</td></tr><tr><td>GBR<a class="footnote-ref" id="fnref:85" href="#fn:85"><sup>85</sup></a></td><td>—</td><td>—</td><td>8/9/10/12/14/16bpc</td><td>8/10/12/16bpc</td><td>—</td><td>—</td></tr><tr><th rowspan="2">RGB <a href="/facts/Floating-point_arithmetic/eIckahxe">Float</a></th><td>RGB</td><td>32bpc</td><td>16/32bpc</td><td>—</td><td>—</td><td>—</td><td>—</td></tr><tr><td>GBR</td><td>—</td><td>—</td><td>32bpc</td><td>32bpc</td><td>—</td><td>—</td></tr><tr><th rowspan="10"><a href="/facts/YUV/w8hA6xnh">YUV</a></th><td>YVU 4:1:0</td><td>—</td><td>—</td><td>(9bpp (YVU9))<a class="footnote-ref" id="fnref:86" href="#fn:86"><sup>86</sup></a></td><td>—</td><td>—</td><td>—</td></tr><tr><td>YUV 4:1:0</td><td>—</td><td>—</td><td>9bpp</td><td>—</td><td>—</td><td>—</td></tr><tr><td>YUV 4:1:1</td><td>8bpc (UYYVYY)</td><td>—</td><td>8bpc</td><td>—</td><td>(8bpc (NV11))</td><td>—</td></tr><tr><td>YVU 4:2:0</td><td>—</td><td>—</td><td>(8bpc (YV12))<a class="footnote-ref" id="fnref:87" href="#fn:87"><sup>87</sup></a></td><td>—</td><td>8 (NV21)</td><td>—</td></tr><tr><td>YUV 4:2:0</td><td>—</td><td>—</td><td>8<a class="footnote-ref" id="fnref:88" href="#fn:88"><sup>88</sup></a>/9/10/12/14/16bpc</td><td>8/9/10/16bpc</td><td>8 (NV12)/10 (P010)/12 (P012)/16bpc (P016)</td><td>—</td></tr><tr><td>YVU 4:2:2</td><td>—</td><td>—</td><td>(8bpc (YV16))<a class="footnote-ref" id="fnref:89" href="#fn:89"><sup>89</sup></a></td><td>—</td><td>(8bpc (NV61))</td><td>—</td></tr><tr><td>YUV 4:2:2</td><td>8 (YUYV<a class="footnote-ref" id="fnref:90" href="#fn:90"><sup>90</sup></a> and UYVY)/10 (Y210)/12bpc (Y212)<a class="footnote-ref" id="fnref:91" href="#fn:91"><sup>91</sup></a></td><td>—</td><td>8<a class="footnote-ref" id="fnref:92" href="#fn:92"><sup>92</sup></a>/9/10/12/14/16bpc</td><td>8/9/10/12/16bpc</td><td>8 (NV16)/10 (NV20 and P210)/16bpc (P216)</td><td>—</td></tr><tr><td>YUV 4:4:0</td><td>—</td><td>—</td><td>8/10/12bpc</td><td>—</td><td>—</td><td>—</td></tr><tr><td>YVU 4:4:4</td><td>—</td><td>—</td><td>(8bpc (YV24))<a class="footnote-ref" id="fnref:93" href="#fn:93"><sup>93</sup></a></td><td>—</td><td>8bpc (NV42)</td><td>—</td></tr><tr><td>YUV 4:4:4</td><td>8 (VUYX)/10<a class="footnote-ref" id="fnref:94" href="#fn:94"><sup>94</sup></a>/12bpc<a class="footnote-ref" id="fnref:95" href="#fn:95"><sup>95</sup></a></td><td>8<a class="footnote-ref" id="fnref:96" href="#fn:96"><sup>96</sup></a> / 16bpc (AYUV64)<a class="footnote-ref" id="fnref:97" href="#fn:97"><sup>97</sup></a></td><td>8<a class="footnote-ref" id="fnref:98" href="#fn:98"><sup>98</sup></a>/9/10/12/14/16bpc</td><td>8/9/10/12/16bpc</td><td>8 (NV24)/10 (P410)/ 16bpc (P416)</td><td>—</td></tr><tr><th><a href="/facts/CIE_1931_color_space/fzgwzV8V">XYZ</a></th><td>XYZ 4:4:4<a class="footnote-ref" id="fnref:99" href="#fn:99"><sup>99</sup></a></td><td>12bpc</td><td>—</td><td>—</td><td>—</td><td>—</td><td>—</td></tr><tr><th><a href="/facts/Bayer_filter/yC8UPoVU">Bayer</a></th><td>BGGR/RGGB/GBRG/GRBG</td><td>8/16bpp</td><td>—</td><td>—</td><td>—</td><td>—</td><td>—</td></tr></tbody></table> <p>FFmpeg does not support IMC1-IMC4, AI44, CYMK, <a href="/facts/RGBE_image_format/Fjycmgaz">RGBE</a>, Log RGB and other formats. It also does not yet support <a href="/facts/ARGB/gSIu9laE">ARGB</a> 1:5:5:5, 2:10:10:10, or other <a href="/facts/BMP_file_format/I4LtCFLk">BMP bitfield</a> formats that are not commonly used. </p> <h2 id="supported-protocols">Supported protocols</h2> <h3>Open standards</h3> <ul><li>IETF <a href="/facts/Request_for_Comments/esftTvE7">RFCs</a>: <ul><li><a href="/facts/File_Transfer_Protocol/THuWgzfw">FTP</a></li> <li><a href="/facts/Gopher_(protocol)/G2bpDRQJ">Gopher</a></li> <li><a href="/facts/HTTP_Live_Streaming/ryHrK3aF">HLS</a></li> <li><a href="/facts/HTTP/TWtvf7JD">HTTP</a></li> <li><a href="/facts/HTTPS/MSWYz4zo">HTTPS</a></li> <li><a href="/facts/Real-time_Transport_Protocol/YKQK1RK2">RTP</a></li> <li><a href="/facts/Real-Time_Streaming_Protocol/he6ChB16">RTSP</a></li> <li><a href="/facts/Stream_Control_Transmission_Protocol/s8tmzUhz">SCTP</a></li> <li><a href="/facts/Session_Description_Protocol/WMnnA5jb">SDP</a></li> <li><a href="/facts/Secure_Real-time_Transport_Protocol/LBXehUtz">SRTP</a></li> <li><a href="/facts/Transmission_Control_Protocol/WW4sPrt9">TCP</a></li> <li><a href="/facts/Transport_Layer_Security/pGy16TnA">TLS</a></li> <li><a href="/facts/User_Datagram_Protocol/dxLU0D6q">UDP</a></li> <li><a href="/facts/UDP-Lite/Bn3YqjzG">UDP-Lite</a></li></ul></li> <li>IETF <a href="/facts/Internet_Draft/h13QYxXa">I-Ds</a>:<a class="footnote-ref" id="fnref:100" href="#fn:100"><sup>100</sup></a> <ul><li><a href="/facts/SSH_File_Transfer_Protocol/88YptbER">SFTP</a> (via libssh)</li></ul></li> <li>Microsoft <a href="/facts/Microsoft_Open_Specification_Promise/suyEKAKf">OSP</a>: <ul><li><a href="/facts/Server_Message_Block/pWM35pl8">CIFS/SMB</a> (via libsmbclient)</li> <li><a href="/facts/Microsoft_Media_Server/fm21KRfP">MMS</a> over TCP (MS-MMSP)</li> <li>MMS over HTTP (MS-WMSP)</li></ul></li> <li><a href="/facts/European_Committee_for_Electrotechnical_Standardization/khmwR0P8">CENELEC</a> <ul><li><a href="/facts/Sat-IP/bYBIG3Sr">SAT>IP</a></li></ul></li> <li><a href="/facts/OASIS_(organization)/a2r8y7tX">OASIS</a> standards: <ul><li><a href="/facts/Advanced_Message_Queuing_Protocol/m31zHYVP">AMQP</a> 0-9-1 (via librabbitmq)</li></ul></li> <li><a href="/facts/Secure_Reliable_Transport/QyqHnJlG">SRT Alliance</a> standard: <ul><li><a href="/facts/Secure_Reliable_Transport/QyqHnJlG">SRT</a> (via libsrt)</li></ul></li></ul> <h3><a href="/facts/De_facto_standard/TRELHVwI">De facto standards</a></h3> <ul><li>RTSP over TLS<a class="footnote-ref" id="fnref:101" href="#fn:101"><sup>101</sup></a><a class="footnote-ref" id="fnref:102" href="#fn:102"><sup>102</sup></a></li> <li><a href="/facts/Icecast/GRpKc9Iz">Icecast</a> protocol</li> <li>Adobe <a href="/facts/Real-Time_Messaging_Protocol/6rpAXGgk">RTMP</a>, RTMPT, RTMPE, RTMPTE and RTMPS</li> <li>RealMedia RTSP/<a href="/facts/Real_Data_Transport/BPLVFTy6">RDT</a></li> <li><a href="/facts/ZeroMQ/e8R8qTMX">ZeroMQ</a> (via libzmq)</li> <li><a href="/facts/Reliable_Internet_Stream_Transport/EermkNt1">RIST</a> (librist)</li></ul> <h2 id="supported-filters">Supported filters</h2> <p>FFmpeg supports, among others, the following filters.<a class="footnote-ref" id="fnref:103" href="#fn:103"><sup>103</sup></a> </p> <h3>Audio</h3> <ul><li><a href="/facts/Sample_rate_conversion/N2G0ezBM">Resampling</a> (aresample)</li> <li>Pass/Stop filters <ul><li><a href="/facts/Low-pass_filter/QFsUjw7h">Low-pass filter</a> (lowpass)</li> <li><a href="/facts/High-pass_filter/W2G9Pbyw">High-pass filter</a> (highpass)</li> <li><a href="/facts/All-pass_filter/MbLLEH7I">All-pass filter</a> (allpass)</li> <li><a href="/facts/Butterworth_filter/3sQkLaqS">Butterworth</a> <a href="/facts/Band-pass_filter/JyTCLleb">Band-pass filter</a> (bandpass)</li> <li>Butterworth <a href="/facts/Band-stop_filter/p0y8uUfS">Band-stop filter</a> (bandreject)</li></ul></li> <li><a href="/facts/Finite_impulse_response/5u4Gaqcb">Arbitrary Finite Impulse Response Filter</a> (afir)</li> <li><a href="/facts/Infinite_impulse_response/0KLkxylJ">Arbitrary Infinite Impulse Response Filter</a> (aiir)</li> <li><a href="/facts/Equalization_(audio)/hHGUDhRR">Equalizer</a> <ul><li>Peak Equalizer (equalizer)</li> <li>Butterworth/<a href="/facts/Chebyshev_filter/bMllKQan">Chebyshev Type I/Type II</a> Multiband Equalizer (anequalizer)</li> <li><a href="/facts/Equalization_(audio)/hHGUDhRR">Low Shelving filter</a> (bass)</li> <li>High Shelving filter (treble)</li> <li>Xbox 360 equalizer</li> <li>FIR equalizer (firequalizer)</li> <li><a href="/facts/Digital_biquad_filter/e74SYMLh">Biquad filter</a> (biquad)</li></ul></li> <li>Remove/Add <a href="/facts/DC_bias/crU5EHzl">DC offset</a> (dcshift)</li> <li><a href="/facts/Eval/lPVJnDNR">Expression evaluation</a> <ul><li><a href="/facts/Time_domain/1w6mP2MU">Time domain</a> expression evaluation (aeval)</li> <li><a href="/facts/Frequency_domain/pyTVrUSq">Frequency domain</a> expression evaluation (afftfilt)</li></ul></li> <li>Dynamics <ul><li><a href="/facts/Limiter/n65K0p3T">Limiter</a> (alimiter)</li> <li><a href="/facts/Dynamic_range_compression/oVSzPxFY">Compressor</a> (acompressor)</li> <li>Dynamic range expander (crystalizer)</li> <li><a href="/facts/Dynamic_range_compression/oVSzPxFY">Side-chain Compressor</a> (sidechaincompress)</li> <li><a href="/facts/Companding/zsfkwSzp">Compander</a> (compand)</li> <li><a href="/facts/Noise_gate/SMgb75l8">Noise gate</a> (agate)</li> <li>Side-chain Noise gate(sidechaingate)</li></ul></li> <li>Distortion <ul><li><a href="/facts/Bitcrusher/ptbURPd4">Bitcrusher</a> (acrusher)</li></ul></li> <li><a href="/facts/Emphasis_(telecommunications)/GmDQmW4K">Emphasis</a> (aemphasis)</li> <li>Amplify/Normalizer <ul><li>Volume (volume)</li> <li>Dynamic Audio Normalizer (dynaudnorm)</li> <li><a href="/facts/EBU_R_128/7LRIxJh0">EBU R 128</a> loudness normalizer (loudnorm)</li></ul></li> <li>Modulation <ul><li><a href="/facts/Amplitude_modulation/3sTxsXk6">Sinusoidal Amplitude Modulation</a> (tremolo)</li> <li><a href="/facts/Phase_modulation/ws1kz7Y9">Sinusoidal Phase Modulation</a> (vibrato)</li> <li><a href="/facts/Phaser_(effect)/e3uofh4c">Phaser</a> (aphaser)</li> <li><a href="/facts/Chorus_effect/uWXkJFMI">Chorus</a> (chorus)</li> <li><a href="/facts/Flanging/JU9Kj7WC">Flanger</a> (flanger)</li> <li>Pulsator (apulsator)</li></ul></li> <li>Echo/Reverb <ul><li><a href="/facts/Echo/MCYU8q1S">Echo</a> (aecho)</li></ul></li> <li>Routing/<a href="/facts/Panning_(audio)/yD8vhJl2">Panning</a> <ul><li>Stereo widening (stereowiden)</li> <li>Increase channel differences (extrastereo)</li> <li><a href="/facts/Joint_encoding/vyJVc9Jg">M/S</a> to L/R (stereotools)</li> <li>Channel mapping (channelmap)</li> <li>Channel splitting (channelsplit)</li> <li><a href="/facts/Panning_(audio)/yD8vhJl2">Channel panning</a> (pan)</li> <li>Channel merging (amerge)</li> <li>Channel joining (join)</li> <li>for <a href="/facts/Headphones/hLd5e4Kv">Headphones</a> <ul><li>Stereo to Binaural (earwax, ported from SoX)<a class="footnote-ref" id="fnref:104" href="#fn:104"><sup>104</sup></a></li> <li><a href="/facts/Crossfeed/K9ATRLam">Bauer Stereo to Binaural</a> (bs2b, via libbs2b)</li> <li><a href="/facts/Crossfeed/K9ATRLam">Crossfeed</a> (crossfeed)</li> <li>Multi-channel to Binaural (sofalizer, requires libnetcdf)</li></ul></li> <li><a href="/facts/Delay_(audio_effect)/t2UR7gHI">Delay</a> <ul><li>Delay (adelay)</li> <li>Delay by distance (compensationdelay)</li></ul></li></ul></li> <li>Fade <ul><li><a href="/facts/Fade_(audio_engineering)/d9jlcTa2">Fader</a> (afade)</li> <li><a href="/facts/Fade_(audio_engineering)/d9jlcTa2">Crossfader</a> (acrossfade)</li></ul></li> <li><a href="/facts/Audio_time_stretching_and_pitch_scaling/647HEoTb">Audio time stretching and pitch scaling</a> <ul><li>Time stretching (atempo)</li> <li>Time-stretching and Pitch-shifting (rubberband, via librubberband)</li></ul></li> <li>Editing <ul><li><a href="/facts/Editing/rvWSAjD0">Trim</a> (atrim)</li> <li>Silence-padding (apad)</li> <li>Silence remover (silenceremove)</li></ul></li> <li>Show frame/channel information <ul><li>Show frame information (ashowinfo)</li> <li>Show channel information (astats)</li> <li>Show silence ranges (silencedetect)</li> <li>Show audio volumes (volumedetect)</li> <li><a href="/facts/ReplayGain/K2jMFfIw">ReplayGain</a> scanner (replaygain)</li></ul></li> <li>Modify frame/channel information <ul><li>Set output format (aformat)</li> <li>Set number of sample (asetnsamples)</li> <li>Set sampling rate (asetrate)</li></ul></li> <li><a href="/facts/Electronic_mixer/KU8MfcyE">Mixer</a> (amix)</li> <li><a href="/facts/Presentation_timestamp/VJgrHw5K">Synchronization</a> (asyncts)</li> <li><a href="/facts/High_Definition_Compatible_Digital/lasLl2dS">HDCD</a> data decoder (hdcd)</li> <li>Plugins <ul><li><a href="/facts/LADSPA/5FUuNmpJ">LADSPA</a> (ladspa)</li> <li><a href="/facts/LV2/607lJFAm">LV2</a> (lv2)</li></ul></li> <li>Do nothing (anull)</li></ul> <h3>Video</h3> <ul><li>Transformations <ul><li><a href="/facts/Cropping_(image)/8BAUtHoE">Cropping</a> (crop, cropdetect)</li> <li><a href="/facts/Dissolve_(filmmaking)/AovejGyp">Fading</a> (fade)</li> <li><a href="/facts/Image_scaling/qNoeujzm">Scaling</a> (scale)</li> <li>Padding (pad)</li> <li>Rotation (rotate)</li> <li>Transposition (transpose)</li> <li>Others: <ul><li>Lens correction (lenscorrection)</li> <li><a href="/facts/OpenCV/V1tXAxyz">OpenCV</a> filtering (ocv)</li> <li>Perspective correction (perspective)</li></ul></li></ul></li> <li>Temporal editing <ul><li><a href="/facts/Framerate_interpolation/9xFAqRSn">Framerate</a> (fps, framerate)</li> <li>Looping (loop)</li> <li>Trimming (trim)</li></ul></li> <li><a href="/facts/Deinterlacing/zIvhUYdG">Deinterlacing</a> (bwdif, idet, kerndeint, nnedi, yadif, w3fdif)</li> <li><a href="/facts/Inverse_Telecine/TfB3cWqL">Inverse Telecine</a></li> <li>Filtering <ul><li><a href="/facts/Gaussian_blur/4LzxTJP0">Blurring</a> (boxblur, gblur, avgblur, sab, smartblur)</li> <li><a href="/facts/Convolution/PVPrdz9J">Convolution</a> filters <ul><li>Convolution (convolution)</li> <li><a href="/facts/Edge_detection/9VplpIcS">Edge detection</a> (edgedetect)</li> <li><a href="/facts/Sobel_operator/LDCvBBTJ">Sobel Filter</a> (sobel)</li> <li><a href="/facts/Prewitt_operator/abrBLgVN">Prewitt Filter</a> (prewitt)</li> <li><a href="/facts/Unsharp_masking/AQfhY2hB">Unsharp masking</a> (unsharp)</li></ul></li></ul></li> <li><a href="/facts/Noise_reduction/9jrDQnAN">Denoising</a> (atadenoise, bitplanenoise, dctdnoiz, owdenoise, removegrain)</li> <li>Logo removal (delogo, removelogo)</li> <li><a href="/facts/Subtitle_(captioning)/9srhQPhl">Subtitles</a> (<a href="/facts/Advanced_SubStation_Alpha/R3p47kPS">ASS</a>, subtitles)</li> <li><a href="/facts/Alpha_compositing/7uUBtjrt">Alpha</a> channel editing (alphaextract, alphamerge)</li> <li><a href="/facts/Chroma_key/PJ2XcxFR">Keying</a> (chromakey, colorkey, lumakey)</li> <li>Frame detection <ul><li>Black frame detection (blackdetect, blackframe)</li> <li>Thumbnail selection (thumbnail)</li></ul></li> <li>Frame Blending (blend, tblend, overlay)</li> <li><a href="/facts/Image_stabilization/DrBT5QVS">Video stabilization</a> (vidstabdetect, vidstabtransform)</li> <li>Color and Level adjustments <ul><li><a href="/facts/Color_balance/npTvImNA">Balance</a> and levels (colorbalance, colorlevels)</li> <li>Channel mixing (colorchannelmixer)</li> <li><a href="/facts/Color_space/zFvEyfHv">Color space</a> (colorspace)</li> <li>Parametric adjustments (curves, eq)</li></ul></li> <li>Histograms and visualization <ul><li>CIE Scope (ciescope)</li> <li><a href="/facts/Vectorscope/k5BYPujP">Vectorscope</a> (vectorscope)</li> <li><a href="/facts/Waveform_monitor/J5d5PIba">Waveform monitor</a> (waveform)</li> <li><a href="/facts/Color_histogram/IbboXWJV">Color histogram</a> (histogram)</li></ul></li> <li>Drawing</li> <li><a href="/facts/Optical_character_recognition/kdTyxa1l">OCR</a></li> <li>Quality measures <ul><li><a href="/facts/Structural_similarity/gRx2C14u">SSIM</a> (ssim)</li> <li><a href="/facts/Peak_signal-to-noise_ratio/FPlWpNkI">PSNR</a> (psnr)</li></ul></li> <li>Lookup Tables <ul><li>lut, lutrgb, lutyuv, lut2, lut3d, haldclut</li></ul></li></ul> <h4>Supported test patterns</h4> <ul><li><a href="/facts/SMPTE_color_bars/50c6mFFR">SMPTE color bars</a> (smptebars and smptehdbars)</li> <li><a href="/facts/EBU_color_bars/yxt8UMcJ">EBU color bars</a> (pal75bars and pal100bars)</li></ul> <h4>Supported LUT formats</h4> <ul><li><a href="/facts/Rising_Sun_Research/NHhCrasY">cineSpace</a> LUT format</li> <li><a href="/facts/List_of_acquisitions_by_Adobe/FseWsRbN">Iridas</a> Cube</li> <li><a href="/facts/Adobe_After_Effects/Xr4G0bjX">Adobe After Effects</a> 3dl</li> <li><a href="/facts/DaVinci_Resolve/AHb0y0bq">DaVinci Resolve</a> dat</li> <li><a href="/facts/Pandora_International/C5KvUWDj">Pandora</a> m3d</li></ul> <h2 id="supported-media-and-interfaces">Supported media and interfaces</h2> <p>FFmpeg supports the following devices via external libraries.<a class="footnote-ref" id="fnref:105" href="#fn:105"><sup>105</sup></a> </p> <h3>Media</h3> <ul><li><a href="/facts/Compact_disc/g51GRloc">Compact disc</a> (via libcdio; input only)</li></ul> <h3>Physical interfaces</h3> <ul><li><a href="/facts/IEEE_1394/XYdQlxfy">IEEE 1394</a> (a.k.a. FireWire; via libdc1394 and libraw1394; input only)</li> <li><a href="/facts/IEC_61883/dDyJlhqx">IEC 61883</a> (via libiec61883; input only)</li> <li><a href="/facts/Blackmagic_Design/83GhYcsC">DeckLink</a></li> <li><a href="/facts/Brooktree/z2WeM8MU">Brooktree</a> video capture chip (via bktr driver; input only)</li></ul> <h3>Audio IO</h3> <ul><li><a href="/facts/Advanced_Linux_Sound_Architecture/7c0rSyPv">Advanced Linux Sound Architecture</a> (ALSA)</li> <li><a href="/facts/Open_Sound_System/c0lnCaK7">Open Sound System</a> (OSS)</li> <li><a href="/facts/PulseAudio/euEHeBCe">PulseAudio</a></li> <li><a href="/facts/JACK_Audio_Connection_Kit/WAM1ALrW">JACK Audio Connection Kit</a> (JACK; input only)</li> <li><a href="/facts/OpenAL/dM93Da1W">OpenAL</a> (input only)</li> <li><a href="/facts/Sndio/9NVD4jw2">sndio</a></li> <li><a href="/facts/Core_Audio/h0hndBsz">Core Audio</a> (for <a href="/facts/MacOS/Y93vVpTm">macOS</a>) <ul><li><a href="/facts/AVFoundation/HRkFyhV2">AVFoundation</a> (input only)</li> <li>AudioToolbox (output only)</li></ul></li></ul> <h3>Video IO</h3> <ul><li><a href="/facts/Video4Linux/wE81AlGk">Video4Linux</a>2</li> <li><a href="/facts/Video_for_Windows/SN0D0W3C">Video for Windows</a> (input only)</li> <li>Windows <a href="/facts/DirectShow/d7dPeQ5W">DirectShow</a></li> <li>Android Camera (input only)</li></ul> <h3>Screen capture and output</h3> <ul><li><a href="/facts/Simple_DirectMedia_Layer/9tSff0Lg">Simple DirectMedia Layer</a> 2 (output only)</li> <li><a href="/facts/OpenGL/xQoMWePr">OpenGL</a> (output only)</li> <li><a href="/facts/Linux_framebuffer/lB5KTlR8">Linux framebuffer</a> (fbdev)</li> <li><a href="/facts/Graphics_Device_Interface/C8yuXxtL">Graphics Device Interface</a> (GDI; input only)</li> <li><a href="/facts/X_Window_System/ac2vRIQL">X Window System</a> (X11; via <a href="/facts/XCB/fpbewG2N">XCB</a>; input only)</li> <li><a href="/facts/X_video_extension/ylJTCRbP">X video extension</a> (XV; via <a href="/facts/Xlib/2fKMo9BF">Xlib</a>; output only)</li> <li><a href="/facts/Direct_Rendering_Manager/AjCBBvrU">Kernel Mode Setting</a> (via libdrm; input only)</li></ul> <h3>Others</h3> <ul><li><a href="/facts/ASCII_art/TmgLtCg5">ASCII art</a> (via libcaca; output only)</li></ul> <h2 id="applications">Applications</h2> <h3>Legal aspects</h3> <p>FFmpeg contains more than 100 codecs,<a class="footnote-ref" id="fnref:106" href="#fn:106"><sup>106</sup></a> most of which use compression techniques of one kind or another. Many such compression techniques may be subject to legal claims relating to <a href="/facts/Software_patent/wI6RrYh3">software patents</a>.<a class="footnote-ref" id="fnref:107" href="#fn:107"><sup>107</sup></a> 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 <a href="/facts/European_Union/6GYcR8qM">European Union</a>, for example.<a class="footnote-ref" id="fnref:108" href="#fn:108"><sup>108</sup></a>[<i>original research</i>] Patents for many older codecs, including AC3 and all MPEG-1 and MPEG-2 codecs, have expired. </p><p>FFmpeg is licensed under the LGPL license, but if a particular build of FFmpeg is linked against any GPL libraries (notably <a href="/facts/X264/owWXH5CL">x264</a>), then the entire binary is licensed under the GPL. </p> <h3>Projects using FFmpeg</h3> <p class="note">Main category: Software that uses FFmpeg</p> <p>FFmpeg is used by software such as <a href="/facts/Blender_(software)/yzuvB0fL">Blender</a>, <a href="/facts/Cinelerra-GG_Infinity/AERqKLyp">Cinelerra-GG Infinity</a>, <a href="/facts/HandBrake/SYY3a9xX">HandBrake</a>, <a href="/facts/Kodi_(software)/tzwEQ9oh">Kodi</a>, <a href="/facts/MPC-HC/pfWnozU6">MPC-HC</a>, <a href="/facts/Plex_(software)/XXPqTYoT">Plex</a>, <a href="/facts/Shotcut/wx9DFJ50">Shotcut</a>, <a href="/facts/VirtualDub/9pJDjkwn">VirtualDub2</a> (a <a href="/facts/VirtualDub/9pJDjkwn">VirtualDub</a> fork),<a class="footnote-ref" id="fnref:109" href="#fn:109"><sup>109</sup></a> <a href="/facts/VLC_media_player/aNurLBXb">VLC media player</a>, <a href="/facts/Xine/gm2KJFor">xine</a> and <a href="/facts/YouTube/db276jst">YouTube</a>.<a class="footnote-ref" id="fnref:110" href="#fn:110"><sup>110</sup></a><a class="footnote-ref" id="fnref:111" href="#fn:111"><sup>111</sup></a> It handles video and audio playback in <a href="/facts/Google_Chrome/4INfWq37">Google Chrome</a><a class="footnote-ref" id="fnref:112" href="#fn:112"><sup>112</sup></a> and the Linux version of Firefox.<a class="footnote-ref" id="fnref:113" href="#fn:113"><sup>113</sup></a> <a href="/facts/Graphical_user_interface/wBlQFWDP">GUI</a> <a href="/facts/Front-end_(computing)/QVUfH8gu">front-ends</a> for FFmpeg have been developed, including Multimedia Xpert<a class="footnote-ref" id="fnref:114" href="#fn:114"><sup>114</sup></a> and XMedia Recode. </p><p>FFmpeg is used by <a href="/facts/Ffdshow/H60dzfBG">ffdshow</a>, FFmpegInterop, the <a href="/facts/GStreamer_FFmpeg_plug-in/34EkSQAf">GStreamer FFmpeg plug-in</a>, LAV Filters and <a href="/facts/OpenMAX/uLBY8gXQ">OpenMAX IL</a> to expand the encoding and decoding capabilities of their respective multimedia platforms. </p><p>As part of <a href="/facts/NASA/TIMCV0yV">NASA</a>'s <a href="/facts/Mars_2020/B6GRHvKH">Mars 2020</a> mission, FFmpeg is used by the <a href="/facts/Perseverance_(rover)/NFoubTKJ">Perseverance rover</a> on Mars for image and video compression before footage is sent to Earth.<a class="footnote-ref" id="fnref:115" href="#fn:115"><sup>115</sup></a> </p> <h2 id="see-also">See also</h2> <ul> <li>Free and open-source software portal</li></ul> <ul><li><a href="/facts/MPlayer/nfyW0yjn">MPlayer</a>, a similar project</li> <li><a href="/facts/List_of_open-source_codecs/tLbSPJmw">List of open-source codecs</a></li> <li><a href="/facts/List_of_video_editing_software/SBrNzP7L">List of video editing software</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="https://ffmpeg.org">Official website</a> </li> <li><a href="https://ffmpeg.wide.video/">Browser-based version</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"FFmpeg: Lavf: I/O and Muxing/Demuxing Library". ffmpeg.org. Archived from the original on 3 December 2016. Retrieved 21 October 2016. <a href="https://www.ffmpeg.org/doxygen/2.2/group__libavf.html" target="_blank">https://www.ffmpeg.org/doxygen/2.2/group__libavf.html</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Libavfilter Documentation". ffmpeg.org. Archived from the original on 2021-10-07. Retrieved 2021-10-07. <a href="https://ffmpeg.org/libavfilter.html" target="_blank">https://ffmpeg.org/libavfilter.html</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>ijkplayer, bilibili, 2021-10-05, archived from the original on 2021-10-05, retrieved 2021-10-05 <a href="https://github.com/bilibili/ijkplayer" target="_blank">https://github.com/bilibili/ijkplayer</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"FFmpeg License and Legal Considerations". ffmpeg.org. Archived from the original on 2012-01-03. 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Retrieved 8 June 2008. <a href="https://web.archive.org/web/20090114195646/http://lists.mplayerhq.hu/pipermail/ffmpeg-cvslog/2008-June/014417.html" target="_blank">https://web.archive.org/web/20090114195646/http://lists.mplayerhq.hu/pipermail/ffmpeg-cvslog/2008-June/014417.html</a> <a href="#fnref:80" class="footnote-back-ref">↩</a></p></li> <li id="fn:81"><p>faust3 (21 March 2008). "FFmpeg development mailing list". FFmpeg development. FFmpeg website. Archived from the original on 25 April 2008. Retrieved 21 March 2008.{{cite web}}: CS1 maint: numeric names: authors list (link) <a href="https://web.archive.org/web/20080425024126/http://lists.mplayerhq.hu/pipermail/ffmpeg-cvslog/2008-March/012799.html" target="_blank">https://web.archive.org/web/20080425024126/http://lists.mplayerhq.hu/pipermail/ffmpeg-cvslog/2008-March/012799.html</a> <a href="#fnref:81" class="footnote-back-ref">↩</a></p></li> <li id="fn:82"><p>"FFmpeg development mailing list". FFmpeg development. FFmpeg. 7 May 2007. Archived from the original on 11 August 2007. Retrieved 24 December 2010. <a href="https://archive.today/20070811203618/http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-May/028760.html" target="_blank">https://archive.today/20070811203618/http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-May/028760.html</a> <a href="#fnref:82" class="footnote-back-ref">↩</a></p></li> <li id="fn:83"><p>10-bit color components with 2-bit padding (X2RGB10) <a href="#fnref:83" class="footnote-back-ref">↩</a></p></li> <li id="fn:84"><p>RGBx (rgb0) and xBGR (0bgr) are also supported <a href="#fnref:84" class="footnote-back-ref">↩</a></p></li> <li id="fn:85"><p>used in YUV-centric codecs such like H.264 <a href="#fnref:85" class="footnote-back-ref">↩</a></p></li> <li id="fn:86"><p>YVU9, YV12, YV16, and YV24 are supported as rawvideo codec in FFmpeg. <a href="#fnref:86" class="footnote-back-ref">↩</a></p></li> <li id="fn:87"><p>YVU9, YV12, YV16, and YV24 are supported as rawvideo codec in FFmpeg. <a href="#fnref:87" class="footnote-back-ref">↩</a></p></li> <li id="fn:88"><p>I420 a.k.a. YUV420P <a href="#fnref:88" class="footnote-back-ref">↩</a></p></li> <li id="fn:89"><p>YVU9, YV12, YV16, and YV24 are supported as rawvideo codec in FFmpeg. <a href="#fnref:89" class="footnote-back-ref">↩</a></p></li> <li id="fn:90"><p>aka YUY2 in Windows <a href="#fnref:90" class="footnote-back-ref">↩</a></p></li> <li id="fn:91"><p>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. <a href="#fnref:91" class="footnote-back-ref">↩</a></p></li> <li id="fn:92"><p>I422 a.k.a. YUV422P <a href="#fnref:92" class="footnote-back-ref">↩</a></p></li> <li id="fn:93"><p>YVU9, YV12, YV16, and YV24 are supported as rawvideo codec in FFmpeg. <a href="#fnref:93" class="footnote-back-ref">↩</a></p></li> <li id="fn:94"><p>XV30 a.k.a. XVYU2101010 <a href="#fnref:94" class="footnote-back-ref">↩</a></p></li> <li id="fn:95"><p>XV36 <a href="#fnref:95" class="footnote-back-ref">↩</a></p></li> <li id="fn:96"><p>VUYA a.k.a. AYUV <a href="#fnref:96" class="footnote-back-ref">↩</a></p></li> <li id="fn:97"><p>10bpc (Y410), 12bpc (Y412), and Y416 (16bpc) are not supported. <a href="#fnref:97" class="footnote-back-ref">↩</a></p></li> <li id="fn:98"><p>I444 a.k.a. YUV444P <a href="#fnref:98" class="footnote-back-ref">↩</a></p></li> <li id="fn:99"><p>used in JPEG2000 <a href="#fnref:99" class="footnote-back-ref">↩</a></p></li> <li id="fn:100"><p>van Kesteren, Anne (2010-09-01). "Internet Drafts are not Open Standards". annevankesteren.nl. Self-published. Archived from the original on 2010-09-02. Retrieved 2015-03-22. <a href="https://annevankesteren.nl/2010/09/draft-vs-standard" target="_blank">https://annevankesteren.nl/2010/09/draft-vs-standard</a> <a href="#fnref:100" class="footnote-back-ref">↩</a></p></li> <li id="fn:101"><p>Real Time Streaming Protocol 2.0 (RTSP) Archived 2023-10-25 at the Wayback Machine P.231 <a href="https://datatracker.ietf.org/doc/html/rfc7826" target="_blank">https://datatracker.ietf.org/doc/html/rfc7826</a> <a href="#fnref:101" class="footnote-back-ref">↩</a></p></li> <li id="fn:102"><p>"rtsp: Support tls-encapsulated RTSP - git.videolan.org Git - ffmpeg.git/commit". videolan.org. Archived from the original on 18 October 2016. Retrieved 21 October 2016. <a href="http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8b2e9636c57b22582143467a8a06b509b47b92f9" target="_blank">http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8b2e9636c57b22582143467a8a06b509b47b92f9</a> <a href="#fnref:102" class="footnote-back-ref">↩</a></p></li> <li id="fn:103"><p>"FFmpeg Filters". ffmpeg.org. Archived from the original on 2017-03-28. Retrieved 2017-03-27. <a href="https://ffmpeg.org/ffmpeg-filters.html" target="_blank">https://ffmpeg.org/ffmpeg-filters.html</a> <a href="#fnref:103" class="footnote-back-ref">↩</a></p></li> <li id="fn:104"><p>How it works earwax.ca <a href="https://web.archive.org/web/20080928130012/http://www.geocities.com/beinges/works.htm" target="_blank">https://web.archive.org/web/20080928130012/http://www.geocities.com/beinges/works.htm</a> <a href="#fnref:104" class="footnote-back-ref">↩</a></p></li> <li id="fn:105"><p>"FFmpeg Devices Documentation". ffmpeg.org. Archived from the original on 2021-10-25. Retrieved 2021-10-25. <a href="https://ffmpeg.org/ffmpeg-devices.html" target="_blank">https://ffmpeg.org/ffmpeg-devices.html</a> <a href="#fnref:105" class="footnote-back-ref">↩</a></p></li> <li id="fn:106"><p>"Codecs list". ffmpeg.org. Archived from the original on 2012-01-06. Retrieved 2012-01-01. <a href="https://ffmpeg.org/general.html#Supported-File-Formats_002c-Codecs-or-Features" target="_blank">https://ffmpeg.org/general.html#Supported-File-Formats_002c-Codecs-or-Features</a> <a href="#fnref:106" class="footnote-back-ref">↩</a></p></li> <li id="fn:107"><p>"Legal information on FFmpeg's website". ffmpeg.org. Archived from the original on 2012-01-03. Retrieved 2012-01-04. <a href="https://ffmpeg.org/legal.html" target="_blank">https://ffmpeg.org/legal.html</a> <a href="#fnref:107" class="footnote-back-ref">↩</a></p></li> <li id="fn:108"><p>"The European Patent Convention". www.epo.org. European Patent Office. 2020-11-29. Archived from the original on 2021-11-19. Retrieved 2021-11-24. <a href="https://www.epo.org/en/legal/epc/2020/a52.html" target="_blank">https://www.epo.org/en/legal/epc/2020/a52.html</a> <a href="#fnref:108" class="footnote-back-ref">↩</a></p></li> <li id="fn:109"><p>"VirtualDub2". Archived from the original on 2020-08-07. Retrieved 2020-08-15. <a href="https://sourceforge.net/p/vdfiltermod/wiki/Home/" target="_blank">https://sourceforge.net/p/vdfiltermod/wiki/Home/</a> <a href="#fnref:109" class="footnote-back-ref">↩</a></p></li> <li id="fn:110"><p>"Google's YouTube Uses FFmpeg | Breaking Eggs And Making Omelettes". Multimedia.cx. 2011-02-08. Archived from the original on 2012-08-14. Retrieved 2012-08-06. <a href="https://multimedia.cx/eggs/googles-youtube-uses-ffmpeg/" target="_blank">https://multimedia.cx/eggs/googles-youtube-uses-ffmpeg/</a> <a href="#fnref:110" class="footnote-back-ref">↩</a></p></li> <li id="fn:111"><p>"FFmpeg-based Projects". ffmpeg.org. Archived from the original on 2016-02-20. Retrieved 2012-01-04.. <a href="https://trac.ffmpeg.org/wiki/Projects" target="_blank">https://trac.ffmpeg.org/wiki/Projects</a> <a href="#fnref:111" class="footnote-back-ref">↩</a></p></li> <li id="fn:112"><p>"FFmpeg-based Projects". ffmpeg.org. Archived from the original on 2016-02-20. Retrieved 2012-01-04.. <a href="https://trac.ffmpeg.org/wiki/Projects" target="_blank">https://trac.ffmpeg.org/wiki/Projects</a> <a href="#fnref:112" class="footnote-back-ref">↩</a></p></li> <li id="fn:113"><p>"Firefox Enables FFmpeg Support By Default". Phoronix. 2015-11-15. Archived from the original on 2017-09-25. Retrieved 2015-11-18. <a href="https://www.phoronix.com/news/Firefox-FFmpeg-Default" target="_blank">https://www.phoronix.com/news/Firefox-FFmpeg-Default</a> <a href="#fnref:113" class="footnote-back-ref">↩</a></p></li> <li id="fn:114"><p>"Multimedia Xpert". Atlas Informatik. Archived from the original on 2023-04-04. Retrieved 2022-05-26. <a href="https://www.atlas-informatik.ch/multimediaXpert/" target="_blank">https://www.atlas-informatik.ch/multimediaXpert/</a> <a href="#fnref:114" class="footnote-back-ref">↩</a></p></li> <li id="fn:115"><p>Maki, J. N.; Gruel, D.; McKinney, C.; Ravine, M. A.; Morales, M.; Lee, D.; Willson, R.; Copley-Woods, D.; Valvo, M.; Goodsall, T.; McGuire, J.; Sellar, R. G.; Schaffner, J. A.; Caplinger, M. A.; Shamah, J. M.; Johnson, A. E.; Ansari, H.; Singh, K.; Litwin, T.; Deen, R.; Culver, A.; Ruoff, N.; Petrizzo, D.; Kessler, D.; Basset, C.; Estlin, T.; Alibay, F.; Nelessen, A.; Algermissen, S. (2020). "The Mars 2020 Engineering Cameras and Microphone on the Perseverance Rover: A Next-Generation Imaging System for Mars Exploration". Space Science Reviews. 216 (8). Springer Nature Switzerland AG.: 137. Bibcode:2020SSRv..216..137M. doi:10.1007/s11214-020-00765-9. PMC 7686239. PMID 33268910. <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7686239" target="_blank">https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7686239</a> <a href="#fnref:115" class="footnote-back-ref">↩</a></p></li> </ol>