On Tue, Aug 28, 2018 at 10:12 AM myp...@gmail.com <myp...@gmail.com> wrote: > > On Tue, Aug 28, 2018 at 2:14 AM Mark Thompson <s...@jkqxz.net> wrote: > > > > On 23/08/18 14:08, Jun Zhao wrote: > > > add a vaapi decoding/scaling sample. > > > > > > Signed-off-by: Jun Zhao <mypopy...@gmail.com> > > > --- > > > configure | 2 + > > > doc/examples/Makefile | 1 + > > > doc/examples/vaapi_dec_scaling.c | 377 > > > ++++++++++++++++++++++++++++++++++++++ > > > 3 files changed, 380 insertions(+), 0 deletions(-) > > > create mode 100644 doc/examples/vaapi_dec_scaling.c > > > > Looking at this, it seems like it copies a lot of code from hw_decode.c and > > filtering_video.c and combines it in a reasonably straightforward (?) way, > > but doesn't really any anything on top of that. I'm not convinced that > > adding an extra example like this for a specific combination of things > > already covered is necessarily helpful, though I could certainly be > > convinced if you have some reason for it. > > > > So, would you care to argue for why this example in particular is useful? > > > > Thanks, > > > > - Mark > > _______________________________________________ > > > Hi, Mark: > > 1. Because we want to build a pipe for Media Analytic with HWaccel > decoder + scaling/csc(color space conversion) + clDNN > (https://github.com/intel/clDNN) or OpenVINO > (https://software.intel.com/en-us/openvino-toolkit) based on GPU with > FFmpeg (with buffer sharing), and If we consider the whole pipeline of > the media analytic as described above, we need to use the HW media > decoder/scaling/color space conversion and inference engine (clDNN or > OpenVINO) > 2. The other thing is we don't have an example to demo how to enable > HWaccel in AVFilter in API level (we have hw_decode for HWAccel > decoding, vaapi_encode for HWAccel encoding, vaapi_transcode for > HWaccel transcoding, but miss a HWAccel AVFilter example)
Any other comments? Mark _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
