ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Mon Dec 5 15:35:05 2022 +0100| [46642ceeafeee5b8cbc82ff32ce3dcd7c73af159] | committer: Paul B Mahol
avfilter/vf_thumbnail: optimize planar processing path > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=46642ceeafeee5b8cbc82ff32ce3dcd7c73af159 --- libavfilter/vf_thumbnail.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/libavfilter/vf_thumbnail.c b/libavfilter/vf_thumbnail.c index 0622e3706e..f66af760a3 100644 --- a/libavfilter/vf_thumbnail.c +++ b/libavfilter/vf_thumbnail.c @@ -191,11 +191,14 @@ static int do_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) const int slice_start = (s->planeheight[plane] * jobnr) / nb_jobs; const int slice_end = (s->planeheight[plane] * (jobnr+1)) / nb_jobs; const uint8_t *p = frame->data[plane] + slice_start * frame->linesize[plane]; + const ptrdiff_t linesize = frame->linesize[plane]; + const int planewidth = s->planewidth[plane]; + int *hhist = hist + 256 * plane; for (int j = slice_start; j < slice_end; j++) { - for (int i = 0; i < s->planewidth[plane]; i++) - hist[256*plane + p[i]]++; - p += frame->linesize[plane]; + for (int i = 0; i < planewidth; i++) + hhist[p[i]]++; + p += linesize; } } break; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".