These results are neat! Except for the small drop in performance, the efficiency improvement for fast presets will be great!
On Wed, Nov 20, 2013 at 2:27 PM, Gopu Govindaswamy < [email protected]> wrote: > # HG changeset patch > # User Gopu Govindaswamy <[email protected]> > # Date 1384937803 -19800 > # Node ID 8e9c965648f6a5f54fcadc6c4235a77d997b919f > # Parent 108ddc9e5c6b15e758ccbf08a0e923cbb7b28b5e > bpyramid: Support for b-pyramid with b-adapt 0 > > Test results for reference when enable and disable the b-pyramid with > b-adapt=0 > > Cli option : --bframes=10 --b-adapt=0 --b-pyramid=1 -f 100 > Enable B-references : --b-pyramid=1 > Disable B-references : --b-pyramid=0 > > Results: > Enable / Disable > > clip - BasketballDrive_1920x1080_50 > Total time taken - 57.84s (1.73 fps) / 51.74s (1.93 fps) > Bitrates - 4725.37 / 5660.68 > PSNR - 37.178 / 37.178 > > > Clip - Cactus_1920x1080_50 > Total time taken - 41.90s (2.39 fps) / 47.08s (2.12 fps) > Bitrates - 3800.62 / 4838.73 > PSNR - 35.640 / 35.615 > > > Clip - Johnny_1280x720_60 > Total time taken - 10.41s (9.61 fps) / 10.34s (9.67 fps) > Bitrates - 327.21 / 383.25 > PSNR - 40.674 / 40.631 > > Clip - FourPeople_1280x720_60 > Total time taken - 10.72s (9.33 fps) / 10.18s (9.82 fps) > Bitrates - 547.18 / 640.88 > PSNR - 39.808 / 39.789 > > diff -r 108ddc9e5c6b -r 8e9c965648f6 source/encoder/slicetype.cpp > --- a/source/encoder/slicetype.cpp Tue Nov 19 23:45:52 2013 -0600 > +++ b/source/encoder/slicetype.cpp Wed Nov 20 14:26:43 2013 +0530 > @@ -859,13 +859,29 @@ > pic->m_lowres.sliceType = X265_TYPE_P; > outputQueue.pushBack(*pic); > numDecided++; > + > + if (cfg->param.bpyramid && bframes > 1) > + { > + int bref = bframes / 2; > + if (list[bref - 1]->m_lowres.sliceType == X265_TYPE_AUTO) > + { > + list[bref - 1]->m_lowres.sliceType = X265_TYPE_BREF; > + outputQueue.pushBack(*list[bref - 1]); > + numDecided++; > + } > + } > + > for (int i = 0; i < bframes; i++) > { > pic = list[i]; > if (pic->m_lowres.sliceType == X265_TYPE_AUTO) > pic->m_lowres.sliceType = X265_TYPE_B; > - outputQueue.pushBack(*pic); > - numDecided++; > + > + if (pic->m_lowres.sliceType != X265_TYPE_BREF) > + { > + outputQueue.pushBack(*pic); > + numDecided++; > + } > } > } > } > _______________________________________________ > x265-devel mailing list > [email protected] > https://mailman.videolan.org/listinfo/x265-devel >
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