ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Oct 1 18:10:36 2017 +0200| [963247b5f36a70f0ea083f5f43356d498fd85c47] | committer: Michael Niedermayer
avcodec/dvbsubdec: Split best score computation out of loop in compute_default_clut() 3% faster Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=963247b5f36a70f0ea083f5f43356d498fd85c47 --- libavcodec/dvbsubdec.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/libavcodec/dvbsubdec.c b/libavcodec/dvbsubdec.c index ef581a9a3f..85a59f3ced 100644 --- a/libavcodec/dvbsubdec.c +++ b/libavcodec/dvbsubdec.c @@ -680,14 +680,17 @@ static void compute_default_clut(AVSubtitleRect *rect, int w, int h) int l_r = x+1<w ? L( 1, 0) : 1; int l_t = y ? L( 0,-1) : 1; int l_b = y+1<h ? L( 0, 1) : 1; - int score; if (l_m) continue; scoretab[v] += l_l + l_r + l_t + l_b; - score = 1024LL*scoretab[v] / counttab[v]; + } + } + for (x = 0; x < 256; x++) { + if (scoretab[x]) { + int score = 1024LL*scoretab[x] / counttab[x]; if (score > bestscore) { bestscore = score; - bestv = v; + bestv = x; } } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
