[FFmpeg-devel] [PATCH 2/2] avfilter/vf_waveform: reduce number of operations a little

[Paul B Mahol]

Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
 libavfilter/vf_waveform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/vf_waveform.c b/libavfilter/vf_waveform.c
index dbf06a0..858c718 100644
--- a/libavfilter/vf_waveform.c
+++ b/libavfilter/vf_waveform.c
@@ -584,7 +584,7 @@ static void flat(WaveformContext *s, AVFrame *in, AVFrame *out,
 
         if (mirror) {
             d0_data += s->size - 1;
-            d1_data += s->size;
+            d1_data += s->size - 1;
         }
 
         for (y = 0; y < src_h; y++) {
@@ -603,7 +603,7 @@ static void flat(WaveformContext *s, AVFrame *in, AVFrame *out,
 
                 for (p = c0 - c1; p < c0 + c1; p++) {
                     if (mirror)
-                        target = d1_data - p - 1;
+                        target = d1_data - p;
                     else
                         target = d1_data + p;
 
-- 
1.7.11.2