Hi Tony, h264encode with CBR was broken for a while, please try with avcenc.
Thanks Haihao > I'm having a very hard time getting libva to honor my bitrate > settings, and it appears that the test program at > > > http://cgit.freedesktop.org/libva/tree/test/encode/h264encode.c > > > also isn't working. The only modification I made to h264encode.c was > getting it to get it's VADisplay from the drm device > (vaGetDisplayDRM(fd)). > > > I am using the built in image as the YUV source in my testing. Here is > how I am running it: > > > sudo ./h264encode -n 300 --bitrate 500000 -rcmode VBR > > > For all of the rate control modes (except for CBR) I see an error like > the following: > > > Support rate control mode (0x12):CBR CQP > Warning: Don't support the specified RateControl mode: VBR!!!, switch > to RateControl mode: CQP > > > And the file is always the same size (regardless of the bitrate I pass > in). > > > If I use CBR the output is slightly different: > > > Support rate control mode (0x12):CBR CQP > > > > Similar to the above, except it doesn't have the Warning. The other > problem is that the file created has 0 length. > > > If I use CQP as the rate control mode I get no warnings, but the file > is always the same size regardless of the bitrate I pass in. > > > Here is the output from vainfo on my machine: > > > [td@localhost enc]$ vainfo > libva info: VA-API version 0.36.0 > libva info: va_getDriverName() returns 0 > libva info: Trying to open /usr/lib64/dri/i965_drv_video.so > libva info: Found init function __vaDriverInit_0_36 > libva info: va_openDriver() returns 0 > vainfo: VA-API version: 0.36 (libva 1.4.0) > vainfo: Driver version: Intel i965 driver for Intel(R) Sandybridge > Mobile - 1.4.0 > vainfo: Supported profile and entrypoints > VAProfileMPEG2Simple : VAEntrypointVLD > VAProfileMPEG2Main : VAEntrypointVLD > VAProfileH264ConstrainedBaseline: VAEntrypointVLD > VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice > VAProfileH264Main : VAEntrypointVLD > VAProfileH264Main : VAEntrypointEncSlice > VAProfileH264High : VAEntrypointVLD > VAProfileH264High : VAEntrypointEncSlice > VAProfileH264StereoHigh : VAEntrypointVLD > VAProfileVC1Simple : VAEntrypointVLD > VAProfileVC1Main : VAEntrypointVLD > VAProfileVC1Advanced : VAEntrypointVLD > VAProfileNone : VAEntrypointVideoProc > > > Does libva actually support the bitrate setting? > _______________________________________________ > Libva mailing list > Libva@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/libva _______________________________________________ Libva mailing list Libva@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/libva
