mirror of https://github.com/mpv-player/mpv
167 lines
5.0 KiB
Plaintext
167 lines
5.0 KiB
Plaintext
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Status of codecs support:
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=========================
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If you have sample files for untested codecs, or want a new codec to be
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added, contact us! (for new codecs we need the DLL/AX file and a sample AVI)
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Video codecs:
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~~~~~~~~~~~~~
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Built-in native codecs:
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- MPEG 1/2 (no fourcc)
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libmpeg2: works, YUV (YV12) supported, with optional postprocessing!!!
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- OpenDivX (DIV1,DIVX)
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decore: works, YUV (YV12) supported, postprocessing supported
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Fully functional Win32 VfW/DShow codecs:
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- M$ MPEG4 v1, v2 (MPG4,MP42):
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mpg4c32.dll: works, YUV supported.
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- M$ MPEG4 v3 / DivX ;-) (MP43,DIV3,DIV4,DIV5,DIV6)
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divxc32.dll: works, YUV supported.
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divx_c32.ax: works, YUV and postprocessing supported.
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- Indeo Video 5.0: (IV50)
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ir50_32.dll (VfW): works, YUV supported.
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ir50_32.dll (DShow): not tested
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- Cinepak Video: (CVID)
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iccvid.dll: works, YUV supported.
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- Microsoft Video v1.0 (CRAM)
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msvidc32.dll: works, no YUV
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- ATI VCR-2: (VCR2)
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ativcr2.dll: works, YUV supported
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- Motion JPEG (MJPG)
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m3jpeg32.dll: can't load (segfault)
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mcmjpg32.dll: works, YUV supported
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- Windows Media Video 7 (WMV1)
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wmvds32.ax: works, YUV supported
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Problems:
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- Indeo Video 4.1: (IV41)
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ir41_32.dll: works, no YUV, image upside-down
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- Indeo Video 3.2: (IV32)
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ir32_32.dll: works, no YUV, image upside-down
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- ASUS ASV1: (ASV1)
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asusasvd.dll: ??? not tested
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- ASUS ASV2: (ASV2)
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asusasv2.dll: loads, image upside-down and very pixelized (no YUY2, but YVYU)
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- ATI VCR1: (VCR1)
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ativcr1.dll: can't load (16-bit DLL)
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- I263: (I263)
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i263_32.drv: segfault
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- TrueMotion 2.0: (TM20)
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tm20dec.ax: segfault
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Not tested:
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- Motion Wavelets: (MVW1)
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icmw_32.dll: not tested (no sample file)
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- Indeo Video 3.1: (IV31)
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ir32_32.dll: not tested (no sample file)
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- AngelPotion MPEG-4: (AP41,AP42)
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APmpg4v1.dll: not tested
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- Windows Media Video 8 (WMV2)
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wmv8ds32.ax: not tested (no sample file)
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- DV - Sony Digital Video (dvsd)
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qdv.dll: not tested
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Audio codecs:
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~~~~~~~~~~~~~
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Built-in native codecs:
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- Uncompressed PCM (0)
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- MPEG layer 2 and 3: (0x50, 0x55)
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mp3lib, based on mpg123 (sometimes segfaults, then use ACM, see below)
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- AC3: (0x2000)
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libac3
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- aLaw audio: (6)
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aLaw codec from xanim sources
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- MS-GSM: (0x31,0x32)
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xa_gsm from avifile sources
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Fully functional Win32 ACM/DShow codecs:
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- Windows Media Audio / DivX audio (0x160, 0x161)
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divxa32.acm: works
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- MS ADPCM (0x2)
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msadp32.acm: works
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- MPEG layer 3: (0x55)
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l3codeca.acm: works (or you can use the built-in 3dnow-optimized codec)
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Problems:
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- IMA ADPCM (0x11)
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imaadp32.acm: segfault
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- MS-GSM: (0x31,0x32)
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msgsm32.acm: segfault (use built-in codec)
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- VoxWare Metasound: (0x75)
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voxmsdec.ax: segfault
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Not tested:
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- ACELP.net: (0x130)
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acelpdec.ax: not tested (no sample file)
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- IMC: (0x401)
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imc32.acm: not tested (no sample file)
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Extracting codecs from Win32
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============================
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1. VfW
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~~~~~~
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VfW (Video for Windows) is the old Video API for Windows. Its codecs have
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the .DLL or (rarely) .DRV extension.
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If MPlayer fails with your AVI:
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UNKNOWN video codec: HFYU (0x55594648)
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It means your AVI is encoded with a codec which has the HFYU fourcc (HFYU =
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HuffYUV codec, DIV3 = DivX Low Motion, etc...). Now that we know this, we'll
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have to find out which DLL Windows loads in order to play this file. In our
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case, the system.ini contains this (with many others):
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VIDC.HFYU=huffyuv.dll
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So we'll need the huffyuv.dll file. Note that the audio codecs are specified
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with the MSACM prefix :
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msacm.l3acm=L3codeca.acm
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This is the MP3 codec.
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So, now we have all the info needed (fourcc, codec file, sample AVI), submit a
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bugreport, and upload the files to thot.banki.hu/incoming/MPlayer
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(also see DOCS/README !!!) .
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2. DirectShow
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~~~~~~~~~~~~~
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DirectShow is the newer Video API, which is even worse than its predecessor.
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Things are harder with DirectShow, since
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- system.ini doesn't contain the needed information, instead it's stored in
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the registry :(
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- we'll need the GUID of the codec.
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So let's search that goddamn registry..
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- Start 'regedit'
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- press ctrl-f, disable the first two checkbox, and enable the third. Type
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the fourcc of the codec. (for ex.: TM20)
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- you should see a field which contains the path and filename
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(for ex. : C:\WINDOWS\SYSTEM\TM20DEC.AX)
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- now that we have the file, we'll need the GUID. Try searching again, but
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now we'll search for the codec's name, not the fourcc. Its name can be acquired
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when Media Player is playing that file, by checking File/Properties/Advanced.
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If not, bad luck ;) Try guessing.
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(for ex. search for : TrueMotion)
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- if found (in registry), there should be a FriendlyName field, and a CLSID
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field. Write down that 16 byte of CLSID.
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NOTE : if searching fails, try to enable all the checkboxes.. you may have
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false hits, but maybe you'll have the right, too...
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NOTE : dump that M$ shit.
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So, now we have all the info needed (fourcc, GUID, codec file, sample AVI),
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submit a bugreport, and upload the files to thot.banki.hu/incoming/MPlayer
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(also see DOCS/README !!!) .
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Gabucino & A'rpi
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