[FFmpeg-cvslog] avfilter/af_headphone: fix regression after 7c201e420

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Wed Dec 26 10:41:41 2018 +0100| [9ce96a744d6ffb1006712ac76d91d69032ebb82b] | committer: Paul B Mahol

avfilter/af_headphone: fix regression after 7c201e420

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9ce96a744d6ffb1006712ac76d91d69032ebb82b
---

 libavfilter/af_headphone.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavfilter/af_headphone.c b/libavfilter/af_headphone.c
index dab897f00a..14cef0e1e7 100644
--- a/libavfilter/af_headphone.c
+++ b/libavfilter/af_headphone.c
@@ -208,12 +208,12 @@ static int headphone_convolute(AVFilterContext *ctx, void *arg, int jobnr, int n
                 continue;
             }
 
-            read = (wr - *(delay + l) - (air_len - 1) + buffer_length) & modulo;
+            read = (wr - *(delay + l) - (ir_len - 1) + buffer_length) & modulo;
 
-            if (read + air_len < buffer_length) {
-                memcpy(temp_src, bptr + read, air_len * sizeof(*temp_src));
+            if (read + ir_len < buffer_length) {
+                memcpy(temp_src, bptr + read, ir_len * sizeof(*temp_src));
             } else {
-                int len = FFMIN(air_len - (read % air_len), buffer_length - read);
+                int len = FFMIN(air_len - (read % ir_len), buffer_length - read);
 
                 memcpy(temp_src, bptr + read, len * sizeof(*temp_src));
                 memcpy(temp_src + len, bptr, (air_len - len) * sizeof(*temp_src));