> > --- > > libswscale/input.c | 10 +++++----- > > libswscale/swscale_internal.h | 20 ++++++++++++++++++++ > > 2 files changed, 25 insertions(+), 5 deletions(-) > > please provide benchmark, what is the impact on speed from this ? > > In my tests, the patch increase speed by around 20%.
Test with this sample (UHD Gray float PSD file) : https://we.tl/t-Ty9hR20gUw And this command line (test the bswap func : grayf32ToY16_bswap_c) ./ffmpeg -benchmark -loop 1 -t 30 -i TEST_PSD_GRAY_00000.psd -pix_fmt gray16be -f null - Without the patch : (using float calc) frame= 750 fps= 23 q=-0.0 Lsize=N/A time=00:00:30.00 bitrate=N/A speed=0.909x bench: utime=26.577s stime=10.061s rtime=33.063s bench: maxrss=697888768kB With the patch : (not use float calc) frame= 750 fps= 27 q=-0.0 Lsize=N/A time=00:00:30.00 bitrate=N/A speed=1.07x bench: utime=21.512s stime=10.136s rtime=27.992s bench: maxrss=697942016kB Martin _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
