> -----Original Message----- > From: Li, Zhong > Sent: Thursday, November 29, 2018 12:36 > To: FFmpeg development discussions and patches <ffmpeg- > de...@ffmpeg.org> > Cc: Fu, Linjie <linjie...@intel.com> > Subject: RE: [FFmpeg-devel] [PATCH,v4] lavc/qsvenc: add VDENC support for > H264 > > > From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On > Behalf > > Of Linjie Fu > > Sent: Wednesday, November 28, 2018 12:45 PM > > To: ffmpeg-devel@ffmpeg.org > > Cc: Fu, Linjie <linjie...@intel.com> > > Subject: [FFmpeg-devel] [PATCH,v4] lavc/qsvenc: add VDENC support for > > H264 > > > > Add VDENC(lowpower mode) support for QSV H264 > > > > It's an experimental function(like lowpower in vaapi) with some limitations: > > - CBR/VBR require HuC which should be explicitly loaded via i915 module > > parameter(i915.enable_guc=2 for linux kernel version >= 4.16) > > > > Use option "-low_power 1" to enable VDENC. > > Add in dump_video_param() to show the status of VDENC in runtime log. > > > > Signed-off-by: Linjie Fu <linjie...@intel.com> > > --- > > [v2]: modified the commit message and option comments, use > > AV_OPT_TYPE_BOOL to replace AV_OPT_TYPE_INT. > > [v3]: enable H264 VDENC separately. > > [v4]: Add in dump_video_param to show the status of VDENC in runtime > log. > > > > libavcodec/qsvenc.c | 11 +++++++++++ > > libavcodec/qsvenc.h | 2 ++ > > libavcodec/qsvenc_h264.c | 3 +++ > > 3 files changed, 16 insertions(+) > > > > diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index > > 948751daf4..42804e68af 100644 > > --- a/libavcodec/qsvenc.c > > +++ b/libavcodec/qsvenc.c > > @@ -226,6 +226,14 @@ static void dump_video_param(AVCodecContext > > *avctx, QSVEncContext *q, > > av_log(avctx, AV_LOG_VERBOSE, "\n"); #endif > > > > +#if QSV_HAVE_VDENC > > + av_log(avctx, AV_LOG_VERBOSE, "VDENC: "); > > + if (info->LowPower == MFX_CODINGOPTION_ON) > > + av_log(avctx, AV_LOG_VERBOSE, "ON\n"); > > + else > > + av_log(avctx, AV_LOG_VERBOSE, "OFF\n"); #endif > > print_threestate() can be used to print libmfx option strings. > print_threestate(co->RateDistortionOpt) is an example. >
Modified and sent a new patch. Thanks, - Linjie _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
