do not create Electronic Arts audio stream when unsupported revision2 audio codec...
[libav.git] / doc / general.texi
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1\input texinfo @c -*- texinfo -*-
2
3@settitle General Documentation
4@titlepage
5@sp 7
6@center @titlefont{General Documentation}
7@sp 3
8@end titlepage
9
10
11@chapter external libraries
12
13FFmpeg can be hooked up with a number of external libraries to add support
14for more formats. None of them are used by default, their use has to be
15explicitly requested by passing the appropriate flags to @file{./configure}.
16
87a84431 17@section OpenCORE AMR
d0e1cd3d 18
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19FFmpeg can make use of the OpenCORE libraries for AMR-NB
20decoding/encoding and AMR-WB decoding.
0b175caa 21
1eb0811e 22Go to @url{http://sourceforge.net/projects/opencore-amr/} and follow the instructions for
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23installing the libraries. Then pass @code{--enable-libopencore-amrnb} and/or
24@code{--enable-libopencore-amrwb} to configure to enable the libraries.
25
26Note that OpenCORE is under the Apache License 2.0 (see
27@url{http://www.apache.org/licenses/LICENSE-2.0} for details), which is
28incompatible with the LGPL version 2.1 and GPL version 2. You have to
29upgrade FFmpeg's license to LGPL version 3 (or if you have enabled
30GPL components, GPL version 3) to use it.
31
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32
33@chapter Supported File Formats and Codecs
34
0584b718 35You can use the @code{-formats} and @code{-codecs} options to have an exhaustive list.
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36
37@section File Formats
38
39FFmpeg supports the following file formats through the @code{libavformat}
40library:
41
42@multitable @columnfractions .4 .1 .1 .4
b3de4544 43@item Name @tab Encoding @tab Decoding @tab Comments
64c2f20a 44@item 4xm @tab @tab X
c6b2dc34 45 @tab 4X Technologies format, used in some games.
f0b19bd3 46@item 8088flex TMV @tab @tab X
39271be4 47@item Audio IFF (AIFF) @tab X @tab X
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48@item American Laser Games MM @tab @tab X
49 @tab Multimedia format used in games like Mad Dog McCree.
39271be4 50@item 3GPP AMR @tab X @tab X
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51@item ASF @tab X @tab X
52@item AVI @tab X @tab X
39271be4 53@item AVISynth @tab @tab X
c6b2dc34 54@item AVS @tab @tab X
d698c5d3 55 @tab Multimedia format used by the Creature Shock game.
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56@item Beam Software SIFF @tab @tab X
57 @tab Audio and video format used in some games by Beam Software.
58@item Bethesda Softworks VID @tab @tab X
d698c5d3 59 @tab Used in some games from Bethesda Softworks.
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60@item Brute Force & Ignorance @tab @tab X
61 @tab Used in the game Flash Traffic: City of Angels.
62@item Interplay C93 @tab @tab X
d698c5d3 63 @tab Used in the game Cyberia from Interplay.
913c3e2c 64@item Delphine Software International CIN @tab @tab X
d698c5d3 65 @tab Multimedia format used by Delphine Software games.
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66@item CD+G @tab @tab X
67 @tab Video format used by CD+G karaoke disks
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68@item Core Audio Format @tab @tab X
69 @tab Apple Core Audio Format
39271be4 70@item CRC testing format @tab X @tab
913c3e2c 71@item Creative Voice @tab X @tab X
d698c5d3 72 @tab Created for the Sound Blaster Pro.
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73@item CRYO APC @tab @tab X
74 @tab Audio format used in some games by CRYO Interactive Entertainment.
39271be4 75@item D-Cinema audio @tab X @tab X
913c3e2c 76@item DV video @tab X @tab X
c6b2dc34 77@item DXA @tab @tab X
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78 @tab This format is used in the non-Windows version of the Feeble Files
79 game and different game cutscenes repacked for use with ScummVM.
39271be4 80@item Electronic Arts cdata @tab @tab X
c6b2dc34 81@item Electronic Arts Multimedia @tab @tab X
d698c5d3 82 @tab Used in various EA games; files have extensions like WVE and UV2.
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83@item FFM (FFserver live feed) @tab X @tab X
84@item Flash (SWF) @tab X @tab X
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85@item Flash 9 (AVM2) @tab X @tab X
86 @tab Only embedded audio is decoded.
87@item FLI/FLC/FLX animation @tab @tab X
d698c5d3 88 @tab .fli/.flc files
dd2d651d 89@item Flash Video (FLV) @tab @tab X
d698c5d3 90 @tab Macromedia Flash video files
39271be4 91@item framecrc testing format @tab X @tab
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92@item FunCom ISS @tab @tab X
93 @tab Audio format used in various games from FunCom like The Longest Journey.
39271be4 94@item GIF Animation @tab X @tab
c6b2dc34 95@item GXF @tab X @tab X
d698c5d3 96 @tab General eXchange Format SMPTE 360M, used by Thomson Grass Valley
64c2f20a 97 playout servers.
dd2d651d 98@item id Quake II CIN video @tab @tab X
76ec3939 99@item id RoQ @tab X @tab X
d698c5d3 100 @tab Used in Quake III, Jedi Knight 2, other computer games.
ab1eff9c 101@item IEC61937 encapsulation @tab X @tab
c6b2dc34 102@item IFF @tab @tab X
d698c5d3 103 @tab Interchange File Format
c6b2dc34 104@item Interplay MVE @tab @tab X
d698c5d3 105 @tab Format used in various Interplay computer games.
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106@item IV8 @tab @tab X
107 @tab A format generated by IndigoVision 8000 video server.
c6b2dc34 108@item LMLM4 @tab @tab X
d698c5d3 109 @tab Used by Linux Media Labs MPEG-4 PCI boards
64c2f20a 110@item Matroska @tab X @tab X
39271be4 111@item Matroska audio @tab X @tab
913c3e2c 112@item MAXIS XA @tab @tab X
d698c5d3 113 @tab Used in Sim City 3000; file extension .xa.
61dc238b 114@item MD Studio @tab @tab X
64c2f20a 115@item Monkey's Audio @tab @tab X
822cc8f7 116@item Motion Pixels MVI @tab @tab X
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117@item MOV/QuickTime/MP4 @tab X @tab X
118 @tab 3GP, 3GP2, PSP, iPod variants supported
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119@item MP2 @tab X @tab X
120@item MP3 @tab X @tab X
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121@item MPEG-1 System @tab X @tab X
122 @tab muxed audio and video, VCD format supported
123@item MPEG-PS (program stream) @tab X @tab X
124 @tab also known as @code{VOB} file, SVCD and DVD format supported
125@item MPEG-TS (transport stream) @tab X @tab X
d698c5d3 126 @tab also known as DVB Transport Stream
c6b2dc34 127@item MPEG-4 @tab X @tab X
d698c5d3 128 @tab MPEG-4 is a variant of QuickTime.
39271be4 129@item MIME multipart JPEG @tab X @tab
bac4c85c 130@item MSN TCP webcam @tab @tab X
d698c5d3 131 @tab Used by MSN Messenger webcam streams.
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132@item MTV @tab @tab X
133@item Musepack @tab @tab X
134@item Musepack SV8 @tab @tab X
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135@item Material eXchange Format (MXF) @tab X @tab X
136 @tab SMPTE 377M, used by D-Cinema, broadcast industry.
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137@item Material eXchange Format (MXF), D-10 Mapping @tab X @tab X
138 @tab SMPTE 386M, D-10/IMX Mapping.
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139@item NC camera feed @tab @tab X
140 @tab NC (AVIP NC4600) camera streams
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141@item NTT TwinVQ (VQF) @tab @tab X
142 @tab Nippon Telegraph and Telephone Corporation TwinVQ.
913c3e2c 143@item Nullsoft Streaming Video @tab @tab X
39271be4 144@item NuppelVideo @tab @tab X
c6b2dc34 145@item NUT @tab X @tab X
d698c5d3 146 @tab NUT Open Container Format
39271be4 147@item Ogg @tab X @tab X
913c3e2c 148@item TechnoTrend PVA @tab @tab X
d698c5d3 149 @tab Used by TechnoTrend DVB PCI boards.
cdce0fb8 150@item QCP @tab @tab X
43dedc1e 151@item raw ADTS (AAC) @tab X @tab X
76ec3939 152@item raw AC-3 @tab X @tab X
adc5abf7 153@item raw Chinese AVS video @tab @tab X
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154@item raw CRI ADX @tab X @tab X
155@item raw Dirac @tab X @tab X
156@item raw DNxHD @tab X @tab X
157@item raw DTS @tab X @tab X
158@item raw E-AC-3 @tab X @tab X
159@item raw FLAC @tab X @tab X
160@item raw GSM @tab @tab X
161@item raw H.261 @tab X @tab X
162@item raw H.263 @tab X @tab X
163@item raw H.264 @tab X @tab X
164@item raw Ingenient MJPEG @tab @tab X
76ec3939 165@item raw MJPEG @tab X @tab X
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166@item raw MLP @tab @tab X
167@item raw MPEG @tab @tab X
168@item raw MPEG-1 @tab @tab X
169@item raw MPEG-2 @tab @tab X
170@item raw MPEG-4 @tab X @tab X
171@item raw NULL @tab X @tab
81b55ee5 172@item raw video @tab X @tab X
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173@item raw id RoQ @tab X @tab
174@item raw Shorten @tab @tab X
23d9cc45 175@item raw TrueHD @tab X @tab X
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176@item raw VC-1 @tab @tab X
177@item raw PCM A-law @tab X @tab X
178@item raw PCM mu-law @tab X @tab X
179@item raw PCM signed 8 bit @tab X @tab X
180@item raw PCM signed 16 bit big-endian @tab X @tab X
181@item raw PCM signed 16 bit little-endian @tab X @tab X
182@item raw PCM signed 24 bit big-endian @tab X @tab X
183@item raw PCM signed 24 bit little-endian @tab X @tab X
184@item raw PCM signed 32 bit big-endian @tab X @tab X
185@item raw PCM signed 32 bit little-endian @tab X @tab X
186@item raw PCM unsigned 8 bit @tab X @tab X
187@item raw PCM unsigned 16 bit big-endian @tab X @tab X
188@item raw PCM unsigned 16 bit little-endian @tab X @tab X
189@item raw PCM unsigned 24 bit big-endian @tab X @tab X
190@item raw PCM unsigned 24 bit little-endian @tab X @tab X
191@item raw PCM unsigned 32 bit big-endian @tab X @tab X
192@item raw PCM unsigned 32 bit little-endian @tab X @tab X
193@item raw PCM floating-point 32 bit big-endian @tab X @tab X
194@item raw PCM floating-point 32 bit little-endian @tab X @tab X
195@item raw PCM floating-point 64 bit big-endian @tab X @tab X
196@item raw PCM floating-point 64 bit little-endian @tab X @tab X
39271be4 197@item RDT @tab @tab X
913c3e2c 198@item REDCODE R3D @tab @tab X
7eb68edb 199 @tab File format used by RED Digital cameras, contains JPEG 2000 frames and PCM audio.
64c2f20a 200@item RealMedia @tab X @tab X
39271be4 201@item Redirector @tab @tab X
913c3e2c 202@item Renderware TeXture Dictionary @tab @tab X
c6b2dc34 203@item RL2 @tab @tab X
d698c5d3 204 @tab Audio and video format used in some games by Entertainment Software Partners.
39271be4 205@item RPL/ARMovie @tab @tab X
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206@item RTMP @tab X @tab X
207 @tab Output is performed by publishing stream to RTMP server
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208@item RTP @tab @tab X
209@item RTSP @tab @tab X
210@item SDP @tab @tab X
c6b2dc34 211@item Sega FILM/CPK @tab @tab X
d698c5d3 212 @tab Used in many Sega Saturn console games.
913c3e2c 213@item Sierra SOL @tab @tab X
d698c5d3 214 @tab .sol files used in Sierra Online games.
c6b2dc34 215@item Sierra VMD @tab @tab X
d698c5d3 216 @tab Used in Sierra CD-ROM games.
c6b2dc34 217@item Smacker @tab @tab X
d698c5d3 218 @tab Multimedia format used by many games.
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219@item Sony OpenMG (OMA) @tab @tab X
220 @tab Audio format used in Sony Sonic Stage and Sony Vegas.
221@item Sony PlayStation STR @tab @tab X
740e89cf 222@item Sony Wave64 (W64) @tab @tab X
cbfe5bee 223@item SoX native format @tab X @tab X
64c2f20a 224@item SUN AU format @tab X @tab X
c6b2dc34 225@item THP @tab @tab X
d698c5d3 226 @tab Used on the Nintendo GameCube.
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227@item Tiertex Limited SEQ @tab @tab X
228 @tab Tiertex .seq files used in the DOS CD-ROM version of the game Flashback.
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229@item True Audio @tab @tab X
230@item VC-1 test bitstream @tab X @tab X
c6b2dc34 231@item WAV @tab X @tab X
39271be4 232@item WavPack @tab @tab X
913c3e2c 233@item Wing Commander III movie @tab @tab X
d698c5d3 234 @tab Multimedia format used in Origin's Wing Commander III computer game.
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235@item Westwood Studios audio @tab @tab X
236 @tab Multimedia format used in Westwood Studios games.
237@item Westwood Studios VQA @tab @tab X
238 @tab Multimedia format used in Westwood Studios games.
39271be4 239@item YUV4MPEG pipe @tab X @tab X
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240@end multitable
241
242@code{X} means that encoding (resp. decoding) is supported.
243
244@section Image Formats
245
246FFmpeg can read and write images for each frame of a video sequence. The
247following image formats are supported:
248
249@multitable @columnfractions .4 .1 .1 .4
b3de4544 250@item Name @tab Encoding @tab Decoding @tab Comments
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251@item .Y.U.V @tab X @tab X
252 @tab one raw file per component
253@item animated GIF @tab X @tab X
254 @tab Only uncompressed GIFs are generated.
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255@item BMP @tab X @tab X
256 @tab Microsoft BMP image
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257@item DPX @tab @tab X
258 @tab Digital Picture Exchange
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259@item JPEG @tab X @tab X
260 @tab Progressive JPEG is not supported.
261@item JPEG 2000 @tab @tab E
262 @tab decoding supported through external library libopenjpeg
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263@item JPEG-LS @tab X @tab X
264@item LJPEG @tab X @tab
265 @tab Lossless JPEG
ddea12a6 266@item PAM @tab X @tab X
9db80acb 267 @tab PAM is a PNM extension with alpha support.
ddea12a6 268@item PBM @tab X @tab X
f2937cc6 269 @tab Portable BitMap image
effcedf7 270@item PCX @tab X @tab X
9db80acb 271 @tab PC Paintbrush
ddea12a6 272@item PGM @tab X @tab X
314511ab 273 @tab Portable GrayMap image
ddea12a6 274@item PGMYUV @tab X @tab X
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275 @tab PGM with U and V components in YUV 4:2:0
276@item PNG @tab X @tab X
277 @tab 2/4 bpp not supported yet
ddea12a6 278@item PPM @tab X @tab X
314511ab 279 @tab Portable PixelMap image
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280@item PTX @tab @tab X
281 @tab V.Flash PTX format
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282@item SGI @tab X @tab X
283 @tab SGI RGB image format
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284@item Sun Rasterfile @tab @tab X
285 @tab Sun RAS image format
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286@item TIFF @tab X @tab X
287 @tab YUV, JPEG and some extension is not supported yet.
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288@item Truevision Targa @tab X @tab X
289 @tab Targa (.TGA) image format
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290@end multitable
291
292@code{X} means that encoding (resp. decoding) is supported.
293
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294@code{E} means that support is provided through an external library.
295
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296@section Video Codecs
297
298@multitable @columnfractions .4 .1 .1 .4
b3de4544 299@item Name @tab Encoding @tab Decoding @tab Comments
9510f59a 300@item 4X Movie @tab @tab X
d698c5d3 301 @tab Used in certain computer games.
f0b19bd3 302@item 8088flex TMV @tab @tab X
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303@item 8SVX exponential @tab @tab X
304@item 8SVX fibonacci @tab @tab X
913c3e2c 305@item American Laser Games MM @tab @tab X
d698c5d3 306 @tab Used in games like Mad Dog McCree.
a1c5b6ec 307@item AMV Video @tab @tab X
d698c5d3 308 @tab Used in Chinese MP3 players.
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309@item Apple MJPEG-B @tab @tab X
310@item Apple QuickDraw @tab @tab X
d698c5d3 311 @tab fourcc: qdrw
d66d8b83 312@item Asus v1 @tab X @tab X
d698c5d3 313 @tab fourcc: ASV1
d66d8b83 314@item Asus v2 @tab X @tab X
d698c5d3 315 @tab fourcc: ASV2
d66d8b83 316@item ATI VCR1 @tab @tab X
d698c5d3 317 @tab fourcc: VCR1
d66d8b83 318@item ATI VCR2 @tab @tab X
d698c5d3 319 @tab fourcc: VCR2
588f8cd8 320@item Auravision Aura @tab @tab X
ce293510 321@item Auravision Aura 2 @tab @tab X
dd2d651d 322@item Autodesk Animator Flic video @tab @tab X
d66d8b83 323@item Autodesk RLE @tab @tab X
d698c5d3 324 @tab fourcc: AASC
9510f59a 325@item AVS (Audio Video Standard) video @tab @tab X
d698c5d3 326 @tab Video encoding used by the Creature Shock game.
68dddf53 327@item Beam Software VB @tab @tab X
9510f59a 328@item Bethesda VID video @tab @tab X
d698c5d3 329 @tab Used in some games from Bethesda Softworks.
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330@item Brute Force & Ignorance @tab @tab X
331 @tab Used in the game Flash Traffic: City of Angels.
bac4c85c 332@item C93 video @tab @tab X
d698c5d3 333 @tab Codec used in Cyberia game.
d66d8b83 334@item CamStudio @tab @tab X
d698c5d3 335 @tab fourcc: CSCD
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336@item CD+G @tab @tab X
337 @tab Video codec for CD+G karaoke disks
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338@item Chinese AVS video @tab @tab X
339 @tab AVS1-P2, JiZhun profile
340@item Delphine Software International CIN video @tab @tab X
341 @tab Codec used in Delphine Software International games.
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342@item Cinepak @tab @tab X
343@item Cirrus Logic AccuPak @tab @tab X
d698c5d3 344 @tab fourcc: CLJR
9510f59a 345@item Creative YUV (CYUV) @tab @tab X
82ced5a9 346@item Dirac @tab E @tab E
360f980b 347 @tab supported through external libdirac/libschroedinger libraries
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348@item DNxHD @tab X @tab X
349 @tab aka SMPTE VC3
68dddf53 350@item Duck TrueMotion 1.0 @tab @tab X
d698c5d3 351 @tab fourcc: DUCK
68dddf53 352@item Duck TrueMotion 2.0 @tab @tab X
d698c5d3 353 @tab fourcc: TM20
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354@item DV (Digital Video) @tab X @tab X
355@item Feeble Files/ScummVM DXA @tab @tab X
d698c5d3 356 @tab Codec originally used in Feeble Files game.
9510f59a 357@item Electronic Arts CMV video @tab @tab X
d698c5d3 358 @tab Used in NHL 95 game.
c63ea92b 359@item Electronic Arts Madcow video @tab @tab X
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360@item Electronic Arts TGV video @tab @tab X
361@item Electronic Arts TGQ video @tab @tab X
362@item Electronic Arts TQI video @tab @tab X
363@item Escape 124 @tab @tab X
f4258b13 364@item FFmpeg video codec #1 @tab X @tab X
d698c5d3 365 @tab experimental lossless codec (fourcc: FFV1)
dd2d651d 366@item Flash Screen Video v1 @tab X @tab X
d698c5d3 367 @tab fourcc: FSV1
dd2d651d 368@item Flash Video (FLV) @tab X @tab X
d698c5d3 369 @tab Sorenson H.263 used in Flash
dd2d651d 370@item Fraps @tab @tab X
d66d8b83 371@item H.261 @tab X @tab X
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372@item H.263 / H.263-1996 @tab X @tab X
373@item H.263+ / H.263-1998 / H.263 version 2 @tab X @tab X
374@item H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 @tab E @tab X
360f980b 375 @tab encoding supported through external library libx264
dd2d651d 376@item H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration) @tab E @tab X
d66d8b83 377@item HuffYUV @tab X @tab X
dd2d651d 378@item HuffYUV FFmpeg variant @tab X @tab X
d66d8b83 379@item IBM Ultimotion @tab @tab X
d698c5d3 380 @tab fourcc: ULTI
bac4c85c 381@item id Cinematic video @tab @tab X
d698c5d3 382 @tab Used in Quake II.
a1c5b6ec 383@item id RoQ video @tab X @tab X
d698c5d3 384 @tab Used in Quake III, Jedi Knight 2, other computer games.
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385@item Intel H.263 @tab @tab X
386@item Intel Indeo 2 @tab @tab X
d66d8b83 387@item Intel Indeo 3 @tab @tab X
dd2d651d 388@item Interplay C93 @tab @tab X
9510f59a 389 @tab Used in the game Cyberia from Interplay.
dd2d651d 390@item Interplay MVE video @tab @tab X
d698c5d3 391 @tab Used in Interplay .MVE files.
dd2d651d 392@item Karl Morton's video codec @tab @tab X
d698c5d3 393 @tab Codec used in Worms games.
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394@item LCL (LossLess Codec Library) MSZH @tab @tab X
395@item LCL (LossLess Codec Library) ZLIB @tab E @tab E
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396@item LOCO @tab @tab X
397@item lossless MJPEG @tab X @tab X
398@item Microsoft RLE @tab @tab X
dd2d651d 399@item Microsoft Video 1 @tab @tab X
d66d8b83 400@item Mimic @tab @tab X
d698c5d3 401 @tab Used in MSN Messenger Webcam streams.
d66d8b83 402@item Miro VideoXL @tab @tab X
d698c5d3 403 @tab fourcc: VIXL
eacf8613 404@item MJPEG (Motion JPEG) @tab X @tab X
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405@item Motion Pixels video @tab @tab X
406@item MPEG-1 video @tab X @tab X
407@item MPEG-1/2 video XvMC (X-Video Motion Compensation) @tab @tab X
408@item MPEG-1/2 video (VDPAU acceleration) @tab @tab X
409@item MPEG-2 video @tab X @tab X
410@item MPEG-4 part 2 @tab X @tab X
411 @ libxvidcore can be used alternatively for encoding.
412@item MPEG-4 part 2 Microsoft variant version 1 @tab X @tab X
413@item MPEG-4 part 2 Microsoft variant version 2 @tab X @tab X
414@item MPEG-4 part 2 Microsoft variant version 3 @tab X @tab X
eacf8613 415@item Nintendo Gamecube THP video @tab @tab X
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416@item NuppelVideo/RTjpeg @tab @tab X
417 @tab Video encoding used in NuppelVideo files.
d66d8b83 418@item On2 VP3 @tab @tab X
d698c5d3 419 @tab still experimental
d66d8b83 420@item On2 VP5 @tab @tab X
d698c5d3 421 @tab fourcc: VP50
d66d8b83 422@item On2 VP6 @tab @tab X
d698c5d3 423 @tab fourcc: VP60,VP61,VP62
d66d8b83 424@item planar RGB @tab @tab X
d698c5d3 425 @tab fourcc: 8BPS
a1c5b6ec 426@item Q-team QPEG @tab @tab X
d698c5d3 427 @tab fourccs: QPEG, Q1.0, Q1.1
9510f59a 428@item QuickTime 8BPS video @tab @tab X
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429@item QuickTime Animation (RLE) video @tab X @tab X
430 @tab fourcc: 'rle '
431@item QuickTime Graphics (SMC) @tab @tab X
432 @tab fourcc: 'smc '
433@item QuickTime video (RPZA) @tab @tab X
434 @tab fourcc: rpza
4aaab0a3 435@item R210 Quicktime Uncompressed RGB 10-bit @tab @tab X
a1c5b6ec 436@item Raw Video @tab X @tab X
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437@item RealVideo 1.0 @tab X @tab X
438@item RealVideo 2.0 @tab X @tab X
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439@item RealVideo 3.0 @tab @tab X
440 @tab still far from ideal
11c0f9ec 441@item RealVideo 4.0 @tab @tab X
68dddf53 442@item Renderware TXD (TeXture Dictionary) @tab @tab X
d698c5d3 443 @tab Texture dictionaries used by the Renderware Engine.
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444@item RL2 video @tab @tab X
445 @tab used in some games by Entertainment Software Partners
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446@item Sierra VMD video @tab @tab X
447 @tab Used in Sierra VMD files.
bac4c85c 448@item Smacker video @tab @tab X
d698c5d3 449 @tab Video encoding used in Smacker.
68dddf53 450@item SMPTE VC-1 @tab @tab X
d66d8b83 451@item Snow @tab X @tab X
d698c5d3 452 @tab experimental wavelet codec (fourcc: SNOW)
eacf8613 453@item Sony PlayStation MDEC (Motion DECoder) @tab @tab X
a1c5b6ec 454@item Sorenson Vector Quantizer 1 @tab X @tab X
d698c5d3 455 @tab fourcc: SVQ1
a1c5b6ec 456@item Sorenson Vector Quantizer 3 @tab @tab X
d698c5d3 457 @tab fourcc: SVQ3
a1c5b6ec 458@item Sunplus JPEG (SP5X) @tab @tab X
d698c5d3 459 @tab fourcc: SP5X
68dddf53 460@item TechSmith Screen Capture Codec @tab @tab X
d698c5d3 461 @tab fourcc: TSCC
82ced5a9 462@item Theora @tab E @tab X
360f980b 463 @tab encoding supported through external library libtheora
a1c5b6ec 464@item Tiertex Limited SEQ video @tab @tab X
d698c5d3 465 @tab Codec used in DOS CD-ROM FlashBack game.
ca0bb1c4 466@item V210 Quicktime Uncompressed 4:2:2 10-bit @tab X @tab X
eacf8613 467@item VMware Screen Codec / VMware Video @tab @tab X
d698c5d3 468 @tab Codec used in videos captured by VMware.
eacf8613 469@item Westwood Studios VQA (Vector Quantized Animation) video @tab @tab X
dd2d651d 470@item Windows Media Video 7 @tab X @tab X
eacf8613 471@item Windows Media Video 8 @tab X @tab X
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472@item Windows Media Video 9 @tab @tab X
473 @tab not completely working
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474@item Wing Commander III / Xan @tab @tab X
475 @tab Used in Wing Commander III .MVE files.
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476@item Winnov WNV1 @tab @tab X
477@item WMV7 @tab X @tab X
39271be4 478@item YAMAHA SMAF @tab X @tab X
d66d8b83 479@item ZLIB @tab X @tab X
d698c5d3 480 @tab part of LCL, encoder experimental
eacf8613 481@item Zip Motion Blocks Video @tab X @tab X
d698c5d3 482 @tab Encoder works only in PAL8.
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483@end multitable
484
485@code{X} means that encoding (resp. decoding) is supported.
486
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487@code{E} means that support is provided through an external library.
488
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489@section Audio Codecs
490
485ec4f1 491@multitable @columnfractions .4 .1 .1 .4
b3de4544 492@item Name @tab Encoding @tab Decoding @tab Comments
16d81b27 493@item 8SVX audio @tab @tab X
82ced5a9 494@item AAC @tab E @tab X
360f980b 495 @tab encoding supported through external library libfaac
c76d1bb2 496@item AC-3 @tab IX @tab X
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497@item ADPCM 4X Movie @tab @tab X
498@item ADPCM CDROM XA @tab @tab X
499@item ADPCM Creative Technology @tab @tab X
500 @tab 16 -> 4, 8 -> 4, 8 -> 3, 8 -> 2
501@item ADPCM Electronic Arts @tab @tab X
502 @tab Used in various EA titles.
503@item ADPCM Electronic Arts Maxis CDROM XS @tab @tab X
504 @tab Used in Sim City 3000.
505@item ADPCM Electronic Arts R1 @tab @tab X
506@item ADPCM Electronic Arts R2 @tab @tab X
507@item ADPCM Electronic Arts R3 @tab @tab X
508@item ADPCM Electronic Arts XAS @tab @tab X
509@item ADPCM G.726 @tab X @tab X
510@item ADPCM IMA AMV @tab @tab X
511 @tab Used in AMV files
512@item ADPCM IMA Electronic Arts EACS @tab @tab X
513@item ADPCM IMA Electronic Arts SEAD @tab @tab X
514@item ADPCM IMA Funcom @tab @tab X
515@item ADPCM IMA QuickTime @tab X @tab X
516@item ADPCM IMA Loki SDL MJPEG @tab @tab X
517@item ADPCM IMA WAV @tab X @tab X
518@item ADPCM IMA Westwood @tab @tab X
519@item ADPCM ISS IMA @tab @tab X
520 @tab Used in FunCom games.
521@item ADPCM IMA Duck DK3 @tab @tab X
522 @tab Used in some Sega Saturn console games.
523@item ADPCM IMA Duck DK4 @tab @tab X
524 @tab Used in some Sega Saturn console games.
525@item ADPCM Microsoft @tab X @tab X
526@item ADPCM MS IMA @tab X @tab X
527@item ADPCM Nintendo Gamecube THP @tab @tab X
528@item ADPCM QT IMA @tab X @tab X
529@item ADPCM SEGA CRI ADX @tab X @tab X
530 @tab Used in Sega Dreamcast games.
531@item ADPCM Shockwave Flash @tab X @tab X
532@item ADPCM SMJPEG IMA @tab @tab X
533 @tab Used in certain Loki game ports.
534@item ADPCM Sound Blaster Pro 2-bit @tab @tab X
535@item ADPCM Sound Blaster Pro 2.6-bit @tab @tab X
536@item ADPCM Sound Blaster Pro 4-bit @tab @tab X
537@item ADPCM Westwood Studios IMA @tab @tab X
538 @tab Used in Westwood Studios games like Command and Conquer.
539@item ADPCM Yamaha @tab X @tab X
82ced5a9 540@item AMR-NB @tab E @tab E
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541 @tab supported through external library libopencore-amrnb
542@item AMR-WB @tab @tab E
543 @tab decoding supported through external library libopencore-amrwb
833e90dd 544@item Apple lossless audio @tab X @tab X
d698c5d3 545 @tab QuickTime fourcc 'alac'
61dc238b 546@item Atrac 1 @tab @tab X
9510f59a 547@item Atrac 3 @tab @tab X
9510f59a 548@item Delphine Software International CIN audio @tab @tab X
d698c5d3 549 @tab Codec used in Delphine Software International games.
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550@item COOK @tab @tab X
551 @tab All versions except 5.1 are supported.
9510f59a 552@item DCA (DTS Coherent Acoustics) @tab @tab X
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553@item DPCM id RoQ @tab X @tab X
554 @tab Used in Quake III, Jedi Knight 2, other computer games.
555@item DPCM Interplay @tab @tab X
556 @tab Used in various Interplay computer games.
557@item DPCM Sierra Online @tab @tab X
558 @tab Used in Sierra Online game audio files.
559@item DPCM Sol @tab @tab X
560@item DPCM Xan @tab @tab X
eff9011d 561 @tab Used in Origin's Wing Commander IV AVI files.
16d81b27 562@item DSP Group TrueSpeech @tab @tab X
16d81b27 563@item DV audio @tab @tab X
44723c84 564@item Enhanced AC-3 @tab @tab X
dd2d651d 565@item FLAC (Free Lossless Audio Codec) @tab X @tab IX
dd2d651d 566@item G.729 @tab @tab X
82ced5a9 567@item GSM @tab E @tab E
3f33271a 568 @tab supported through external library libgsm
dd2d651d 569@item GSM Microsoft variant @tab E @tab E
3f33271a 570 @tab supported through external library libgsm
dd2d651d 571@item IMC (Intel Music Coder) @tab @tab X
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572@item MACE (Macintosh Audio Compression/Expansion) 3:1 @tab @tab X
573@item MACE (Macintosh Audio Compression/Expansion) 6:1 @tab @tab X
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574@item MLP (Meridian Lossless Packing) @tab @tab X
575 @tab Used in DVD-Audio discs.
16d81b27 576@item Monkey's Audio @tab @tab X
d698c5d3 577 @tab Only versions 3.97-3.99 are supported.
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578@item MP1 (MPEG audio layer 1) @tab @tab IX
579@item MP2 (MPEG audio layer 2) @tab IX @tab IX
580@item MP3 (MPEG audio layer 3) @tab E @tab IX
581 @tab encoding supported through external library LAME, ADU MP3 and MP3onMP4 also supported
99971952 582@item MPEG-4 Audio Lossless Coding (ALS) @tab @tab X
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583@item Musepack SV7 @tab @tab X
584@item Musepack SV8 @tab @tab X
641992de 585@item Nellymoser Asao @tab X @tab X
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586@item PCM A-law @tab X @tab X
587@item PCM mu-law @tab X @tab X
588@item PCM 16-bit little-endian planar @tab @tab X
589@item PCM 32-bit floating point big-endian @tab X @tab X
590@item PCM 32-bit floating point little-endian @tab X @tab X
591@item PCM 64-bit floating point big-endian @tab X @tab X
592@item PCM 64-bit floating point little-endian @tab X @tab X
593@item PCM D-Cinema audio signed 24-bit @tab X @tab X
594@item PCM signed 8-bit @tab X @tab X
595@item PCM signed 16-bit big-endian @tab X @tab X
596@item PCM signed 16-bit little-endian @tab X @tab X
597@item PCM signed 24-bit big-endian @tab X @tab X
598@item PCM signed 24-bit little-endian @tab X @tab X
599@item PCM signed 32-bit big-endian @tab X @tab X
600@item PCM signed 32-bit little-endian @tab X @tab X
5dd3707b 601@item PCM signed 16/20/24-bit big-endian in MPEG-TS @tab @tab X
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602@item PCM unsigned 8-bit @tab X @tab X
603@item PCM unsigned 16-bit big-endian @tab X @tab X
604@item PCM unsigned 16-bit little-endian @tab X @tab X
605@item PCM unsigned 24-bit big-endian @tab X @tab X
606@item PCM unsigned 24-bit little-endian @tab X @tab X
607@item PCM unsigned 32-bit big-endian @tab X @tab X
608@item PCM unsigned 32-bit little-endian @tab X @tab X
609@item PCM Zork @tab X @tab X
73b458e3 610@item QCELP / PureVoice @tab @tab X
a1c5b6ec 611@item QDesign Music Codec 2 @tab @tab X
d698c5d3 612 @tab There are still some distortions.
a1c5b6ec 613@item RealAudio 1.0 (14.4K) @tab @tab X
d698c5d3 614 @tab Real 14400 bit/s codec
a1c5b6ec 615@item RealAudio 2.0 (28.8K) @tab @tab X
d698c5d3 616 @tab Real 28800 bit/s codec
a1c5b6ec 617@item RealAudio 3.0 (dnet) @tab IX @tab X
a692130f 618 @tab Real low bitrate AC-3 codec
bac4c85c 619@item Shorten @tab @tab X
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620@item Sierra VMD audio @tab @tab X
621 @tab Used in Sierra VMD files.
bac4c85c 622@item Smacker audio @tab @tab X
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623@item Sonic @tab X @tab X
624 @tab experimental codec
625@item Sonic lossless @tab X @tab X
626 @tab experimental codec
82ced5a9 627@item Speex @tab @tab E
360f980b 628 @tab supported through external library libspeex
16d81b27 629@item True Audio (TTA) @tab @tab X
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630@item TrueHD @tab @tab X
631 @tab Used in HD-DVD and Blu-Ray discs.
7bd47335 632@item TwinVQ (VQF flavor) @tab @tab X
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633@item Vorbis @tab E @tab X
634 @ A native but very primitive encoder exists.
bac4c85c 635@item WavPack @tab @tab X
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636@item Westwood Audio (SND1) @tab @tab X
637@item Windows Media Audio 1 @tab X @tab X
638@item Windows Media Audio 2 @tab X @tab X
c1061cc7 639@item Windows Media Audio Pro @tab @tab X
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640@end multitable
641
642@code{X} means that encoding (resp. decoding) is supported.
643
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644@code{E} means that support is provided through an external library.
645
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646@code{I} means that an integer-only version is available, too (ensures high
647performance on systems without hardware floating point support).
648
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649@section Subtitle Formats
650
000bbebb 651@multitable @columnfractions .4 .1 .1 .1 .1
9afc2917 652@item Name @tab Muxing @tab Demuxing @tab Encoding @tab Decoding
913c3e2c 653@item SSA/ASS @tab X @tab X
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654@item DVB @tab X @tab X @tab X @tab X
655@item DVD @tab X @tab X @tab X @tab X
c58b82a2 656@item PGS @tab @tab @tab @tab X
a4276ba2 657@item XSUB @tab @tab @tab X @tab X
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658@end multitable
659
660@code{X} means that the feature is supported.
661
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662@section Network Protocols
663
000bbebb 664@multitable @columnfractions .4 .1
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665@item Name @tab Support
666@item file @tab X
667@item Gopher @tab X
668@item HTTP @tab X
669@item pipe @tab X
670@item RTP @tab X
671@item TCP @tab X
672@item UDP @tab X
673@end multitable
674
675@code{X} means that the protocol is supported.
676
677
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678@section Input/Output Devices
679
680@multitable @columnfractions .4 .1 .1
681@item Name @tab Input @tab Output
682@item ALSA @tab X @tab X
683@item BEOS audio @tab X @tab X
684@item BKTR @tab X @tab
685@item DV1394 @tab X @tab
80ff8a16 686@item JACK @tab X @tab
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687@item LIBDC1394 @tab X @tab
688@item OSS @tab X @tab X
689@item Video4Linux @tab X @tab
690@item Video4Linux2 @tab X @tab
691@item VfW capture @tab X @tab
692@item X11 grabbing @tab X @tab
693@end multitable
694
23869b4a 695@code{X} means that input/output is supported.
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696
697
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698@chapter Platform Specific information
699
700@section BSD
701
702BSD make will not build FFmpeg, you need to install and use GNU Make
703(@file{gmake}).
704
705@section Windows
706
46a845d0 707To get help and instructions for building FFmpeg under Windows, check out
d0e1cd3d 708the FFmpeg Windows Help Forum at
ab5ce4ae 709@url{http://ffmpeg.arrozcru.org/}.
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710
711@subsection Native Windows compilation
712
c1989552 713FFmpeg can be built to run natively on Windows using the MinGW tools. Install
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714the latest versions of MSYS and MinGW from @url{http://www.mingw.org/}.
715You can find detailed installation
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716instructions in the download section and the FAQ.
717
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718FFmpeg does not build out-of-the-box with the packages the automated MinGW
719installer provides. It also requires coreutils to be installed and many other
720packages updated to the latest version. The minimum version for some packages
721are listed below:
722
723@itemize
724@item bash 3.1
725@item msys-make 3.81-2 (note: not mingw32-make)
2014b51c 726@item w32api 3.13
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727@item mingw-runtime 3.15
728@end itemize
729
44be8d42 730FFmpeg automatically passes @code{-fno-common} to the compiler to work around
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731a GCC bug (see @url{http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216}).
732
c1989552 733Within the MSYS shell, configure and make with:
d0e1cd3d 734
c1989552 735@example
1a04d4c7 736./configure --enable-memalign-hack
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737make
738make install
739@end example
d0e1cd3d 740
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741This will install @file{ffmpeg.exe} along with many other development files
742to @file{/usr/local}. You may specify another install path using the
743@code{--prefix} option in @file{configure}.
d0e1cd3d 744
c1989552 745Notes:
d0e1cd3d 746
c1989552 747@itemize
d0e1cd3d 748
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749@item Building natively using MSYS can be sped up by disabling implicit rules
750in the Makefile by calling @code{make -r} instead of plain @code{make}. This
751speed up is close to non-existent for normal one-off builds and is only
752noticeable when running make for a second time (for example in
753@code{make install}).
754
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755@item In order to compile FFplay, you must have the MinGW development library
756of SDL. Get it from @url{http://www.libsdl.org}.
757Edit the @file{bin/sdl-config} script so that it points to the correct prefix
758where SDL was installed. Verify that @file{sdl-config} can be launched from
759the MSYS command line.
d0e1cd3d 760
d0e1cd3d 761@item By using @code{./configure --enable-shared} when configuring FFmpeg,
c1989552 762you can build libavutil, libavcodec and libavformat as DLLs.
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763
764@end itemize
765
c1989552 766@subsection Microsoft Visual C++ compatibility
d0e1cd3d 767
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768As stated in the FAQ, FFmpeg will not compile under MSVC++. However, if you
769want to use the libav* libraries in your own applications, you can still
770compile those applications using MSVC++. But the libav* libraries you link
771to @emph{must} be built with MinGW. However, you will not be able to debug
772inside the libav* libraries, since MSVC++ does not recognize the debug
773symbols generated by GCC.
774We strongly recommend you to move over from MSVC++ to MinGW tools.
d0e1cd3d 775
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776This description of how to use the FFmpeg libraries with MSVC++ is based on
777Microsoft Visual C++ 2005 Express Edition. If you have a different version,
778you might have to modify the procedures slightly.
d0e1cd3d 779
c1989552 780@subsubsection Using static libraries
d0e1cd3d 781
c1989552 782Assuming you have just built and installed FFmpeg in @file{/usr/local}.
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783
784@enumerate
785
786@item Create a new console application ("File / New / Project") and then
787select "Win32 Console Application". On the appropriate page of the
788Application Wizard, uncheck the "Precompiled headers" option.
789
790@item Write the source code for your application, or, for testing, just
791copy the code from an existing sample application into the source file
c1989552 792that MSVC++ has already created for you. For example, you can copy
d95a0c67 793@file{libavformat/output-example.c} from the FFmpeg distribution.
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794
795@item Open the "Project / Properties" dialog box. In the "Configuration"
796combo box, select "All Configurations" so that the changes you make will
797affect both debug and release builds. In the tree view on the left hand
798side, select "C/C++ / General", then edit the "Additional Include
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799Directories" setting to contain the path where the FFmpeg includes were
800installed (i.e. @file{c:\msys\1.0\local\include}).
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801Do not add MinGW's include directory here, or the include files will
802conflict with MSVC's.
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803
804@item Still in the "Project / Properties" dialog box, select
805"Linker / General" from the tree view and edit the
806"Additional Library Directories" setting to contain the @file{lib}
807directory where FFmpeg was installed (i.e. @file{c:\msys\1.0\local\lib}),
808the directory where MinGW libs are installed (i.e. @file{c:\mingw\lib}),
809and the directory where MinGW's GCC libs are installed
810(i.e. @file{C:\mingw\lib\gcc\mingw32\4.2.1-sjlj}). Then select
811"Linker / Input" from the tree view, and add the files @file{libavformat.a},
812@file{libavcodec.a}, @file{libavutil.a}, @file{libmingwex.a},
813@file{libgcc.a}, and any other libraries you used (i.e. @file{libz.a})
814to the end of "Additional Dependencies".
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815
816@item Now, select "C/C++ / Code Generation" from the tree view. Select
817"Debug" in the "Configuration" combo box. Make sure that "Runtime
818Library" is set to "Multi-threaded Debug DLL". Then, select "Release" in
819the "Configuration" combo box and make sure that "Runtime Library" is
820set to "Multi-threaded DLL".
821
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822@item Click "OK" to close the "Project / Properties" dialog box.
823
824@item MSVC++ lacks some C99 header files that are fundamental for FFmpeg.
825Get msinttypes from @url{http://code.google.com/p/msinttypes/downloads/list}
826and install it in MSVC++'s include directory
827(i.e. @file{C:\Program Files\Microsoft Visual Studio 8\VC\include}).
828
829@item MSVC++ also does not understand the @code{inline} keyword used by
830FFmpeg, so you must add this line before @code{#include}ing libav*:
831@example
832#define inline _inline
833@end example
834
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835@item Build your application, everything should work.
836
837@end enumerate
838
839@subsubsection Using shared libraries
840
841This is how to create DLL and LIB files that are compatible with MSVC++:
842
843@enumerate
844
845@item Add a call to @file{vcvars32.bat} (which sets up the environment
846variables for the Visual C++ tools) as the first line of @file{msys.bat}.
847The standard location for @file{vcvars32.bat} is
848@file{C:\Program Files\Microsoft Visual Studio 8\VC\bin\vcvars32.bat},
849and the standard location for @file{msys.bat} is @file{C:\msys\1.0\msys.bat}.
850If this corresponds to your setup, add the following line as the first line
851of @file{msys.bat}:
852
853@example
854call "C:\Program Files\Microsoft Visual Studio 8\VC\bin\vcvars32.bat"
855@end example
856
857Alternatively, you may start the @file{Visual Studio 2005 Command Prompt},
858and run @file{c:\msys\1.0\msys.bat} from there.
859
860@item Within the MSYS shell, run @code{lib.exe}. If you get a help message
861from @file{Microsoft (R) Library Manager}, this means your environment
862variables are set up correctly, the @file{Microsoft (R) Library Manager}
863is on the path and will be used by FFmpeg to create
864MSVC++-compatible import libraries.
865
866@item Build FFmpeg with
867
868@example
869./configure --enable-shared --enable-memalign-hack
870make
871make install
872@end example
873
874Your install path (@file{/usr/local/} by default) should now have the
875necessary DLL and LIB files under the @file{bin} directory.
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876
877@end enumerate
878
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879To use those files with MSVC++, do the same as you would do with
880the static libraries, as described above. But in Step 4,
881you should only need to add the directory where the LIB files are installed
882(i.e. @file{c:\msys\usr\local\bin}). This is not a typo, the LIB files are
883installed in the @file{bin} directory. And instead of adding @file{libxx.a}
884files, you should add @file{avcodec.lib}, @file{avformat.lib}, and
885@file{avutil.lib}. There should be no need for @file{libmingwex.a},
886@file{libgcc.a}, and @file{wsock32.lib}, nor any other external library
887statically linked into the DLLs. The @file{bin} directory contains a bunch
888of DLL files, but the ones that are actually used to run your application
889are the ones with a major version number in their filenames
890(i.e. @file{avcodec-51.dll}).
891
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892@subsection Cross compilation for Windows with Linux
893
894You must use the MinGW cross compilation tools available at
895@url{http://www.mingw.org/}.
896
897Then configure FFmpeg with the following options:
898@example
899./configure --target-os=mingw32 --cross-prefix=i386-mingw32msvc-
900@end example
901(you can change the cross-prefix according to the prefix chosen for the
902MinGW tools).
903
904Then you can easily test FFmpeg with Wine
905(@url{http://www.winehq.com/}).
906
907@subsection Compilation under Cygwin
908
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909The main issue with the 1.5.x Cygwin versions is that newlib, its C library,
910does not contain llrint(). You need to upgrade to the unstable 1.7.x versions,
911or leverage the implementation in MinGW (as explained below).
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912
913Just install your Cygwin with all the "Base" packages, plus the
914following "Devel" ones:
915@example
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916binutils, gcc-core, make, subversion, mingw-runtime
917@end example
918
919And the following "Utils" one:
920@example
921diffutils
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922@end example
923
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924The experimental gcc4 package is still buggy, hence please
925use the official gcc 3.4.4 or a 4.2.x compiled from source by yourself.
926
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927Install the current binutils-20080624-2 as they work fine (the old
928binutils-20060709-1 proved buggy on shared builds).
d0e1cd3d 929
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930Then create a small library that just contains llrint():
931
932@example
933ar x /usr/lib/mingw/libmingwex.a llrint.o
934ar cq /usr/local/lib/libllrint.a llrint.o
935@end example
936
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937Then run
938
939@example
29c3d42b 940./configure --enable-static --disable-shared --extra-ldflags='-L /usr/local/lib' --extra-libs='-l llrint'
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941@end example
942
943to make a static build or
944
945@example
29c3d42b 946./configure --enable-shared --disable-static --extra-ldflags='-L /usr/local/lib' --extra-libs='-l llrint'
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947@end example
948
949to build shared libraries.
950
951If you want to build FFmpeg with additional libraries, download Cygwin
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952"Devel" packages for Ogg and Vorbis from any Cygwin packages repository:
953@example
954libogg-devel, libvorbis-devel
955@end example
956
957These library packages are only available from Cygwin Ports
be8497b0 958(@url{http://sourceware.org/cygwinports/}) :
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959
960@example
961yasm, libSDL-devel, libdirac-devel, libfaac-devel, libfaad-devel, libgsm-devel,
962libmp3lame-devel, libschroedinger1.0-devel, speex-devel, libtheora-devel,
963libxvidcore-devel
964@end example
965
966The recommendation for libnut and x264 is to build them from source by
967yourself, as they evolve too quickly for Cygwin Ports to be up to date.
d0e1cd3d 968
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969Cygwin 1.7.x has IPv6 support. You can add IPv6 to Cygwin 1.5.x by means
970of the @code{libgetaddrinfo-devel} package, available at Cygwin Ports.
971
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972@subsection Crosscompilation for Windows under Cygwin
973
974With Cygwin you can create Windows binaries that do not need the cygwin1.dll.
975
976Just install your Cygwin as explained before, plus these additional
977"Devel" packages:
978@example
979gcc-mingw-core, mingw-runtime, mingw-zlib
980@end example
981
982and add some special flags to your configure invocation.
983
984For a static build run
985@example
986./configure --target-os=mingw32 --enable-memalign-hack --enable-static --disable-shared --extra-cflags=-mno-cygwin --extra-libs=-mno-cygwin
987@end example
988
989and for a build with shared libraries
990@example
991./configure --target-os=mingw32 --enable-memalign-hack --enable-shared --disable-static --extra-cflags=-mno-cygwin --extra-libs=-mno-cygwin
992@end example
993
994@section BeOS
995
5f757b85 996BeOS support is broken in mysterious ways.
d0e1cd3d 997
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998@section OS/2
999
1000For information about compiling FFmpeg on OS/2 see
1001@url{http://www.edm2.com/index.php/FFmpeg}.
1002
d0e1cd3d 1003@bye