ffmpeg | branch: release/3.1 | James Almer <jamr...@gmail.com> | Tue Mar 21 
12:03:44 2017 -0300| [8e4abfbb9dbc6ff192926e4d6befef40897a5479] | committer: 
James Almer

swresample/resample: free existing ResampleContext on reinit

Fixes memleak.

Reviewed-by: wm4 <nfx...@googlemail.com>
Reviewed-by: Michael Niedermayer <mich...@niedermayer.cc>
Signed-off-by: James Almer <jamr...@gmail.com>
(cherry picked from commit db7a05dab0652d4ec6d89394c9024d02f44494a7)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8e4abfbb9dbc6ff192926e4d6befef40897a5479
---

 libswresample/resample.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libswresample/resample.c b/libswresample/resample.c
index 2e161b1..e7c9e73 100644
--- a/libswresample/resample.c
+++ b/libswresample/resample.c
@@ -328,6 +328,7 @@ static ResampleContext *resample_init(ResampleContext *c, 
int out_rate, int in_r
     if (!c || c->phase_count != phase_count || c->linear!=linear || c->factor 
!= factor
            || c->filter_length != FFMAX((int)ceil(filter_size/factor), 1) || 
c->format != format
            || c->filter_type != filter_type || c->kaiser_beta != kaiser_beta) {
+        resample_free(&c);
         c = av_mallocz(sizeof(*c));
         if (!c)
             return NULL;

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