On 4/15/18, Kieran O Leary <kieran.o.le...@gmail.com> wrote: > Hi, > > I was wondering if there was a reason why supported pix_fmts are > rarely seen when calling `ffmpeg -h decoder=$codec`. I did a quick > audit and it looks like pix_fmts are declared in the help section of > some decoders (see below), but for the most part it is left out. > One benefit that I could see would be that it would allow scripts to > check if an installed version of ffmpeg can decode a pixel format that > might have been added recently, rather than just catching the errors. > > Would this be of any benefit, and would patches be welcome? > > > Decoder flashsv [Flash Screen Video v1]: > General capabilities: dr1 > Threading capabilities: none > Supported pixel formats: bgr24 > Decoder flashsv2 [Flash Screen Video v2]: > General capabilities: dr1 > Threading capabilities: none > Supported pixel formats: bgr24 > -- > Decoder flv [FLV / Sorenson Spark / Sorenson H.263 (Flash Video)]: > General capabilities: horizband dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > -- > Decoder h263 [H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2]: > General capabilities: horizband dr1 trunc delay > Threading capabilities: none > Supported pixel formats: vaapi_vld vdpau yuv420p > Decoder h263i [Intel H.263]: > General capabilities: horizband dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > Decoder h263p [H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2]: > General capabilities: horizband dr1 trunc delay > Threading capabilities: none > Supported pixel formats: vaapi_vld vdpau yuv420p > -- > Decoder mpeg4 [MPEG-4 part 2]: > General capabilities: horizband dr1 trunc delay threads > Threading capabilities: frame > Supported pixel formats: vaapi_vld vdpau yuv420p > -- > Decoder msmpeg4v1 [MPEG-4 part 2 Microsoft variant version 1]: > General capabilities: horizband dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > Decoder msmpeg4v2 [MPEG-4 part 2 Microsoft variant version 2]: > General capabilities: horizband dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > Decoder msmpeg4 [MPEG-4 part 2 Microsoft variant version 3]: > General capabilities: horizband dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > -- > Decoder rv10 [RealVideo 1.0]: > General capabilities: dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > Decoder rv20 [RealVideo 2.0]: > General capabilities: dr1 delay > Threading capabilities: none > Supported pixel formats: yuv420p > Decoder rv30 [RealVideo 3.0]: > General capabilities: dr1 delay threads > Threading capabilities: frame > Supported pixel formats: yuv420p > Decoder rv40 [RealVideo 4.0]: > General capabilities: dr1 delay threads > Threading capabilities: frame > Supported pixel formats: yuv420p > -- > Decoder svq1 [Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1]: > General capabilities: dr1 > Threading capabilities: none > Supported pixel formats: yuv410p > Decoder svq3 [Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3]: > General capabilities: horizband dr1 delay > Threading capabilities: none > Supported pixel formats: yuvj420p > -- > Decoder vc1 [SMPTE VC-1]: > General capabilities: dr1 delay > Threading capabilities: none > Supported pixel formats: vaapi_vld vdpau yuv420p > Decoder vc1image [Windows Media Video 9 Image v2]: > General capabilities: dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > -- > Decoder wmv1 [Windows Media Video 7]: > General capabilities: horizband dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > Decoder wmv2 [Windows Media Video 8]: > General capabilities: horizband dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > Decoder wmv3 [Windows Media Video 9]: > General capabilities: dr1 delay > Threading capabilities: none > Supported pixel formats: vaapi_vld vdpau yuv420p > Decoder wmv3image [Windows Media Video 9 Image]: > General capabilities: dr1 > Threading capabilities: none > Supported pixel formats: yuv420p > -- > Decoder xface [X-face image]: > General capabilities: none > Threading capabilities: none > Supported pixel formats: monow > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
If you gonna add it and then maintain it, i'm ok with it. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
