[FFmpeg-cvslog] libswresample/audioconvert: Fix undefined NULL + 0

Andreas Rheinhardt git at videolan.org
Thu Apr 1 17:12:12 EEST 2021


ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Fri Mar 26 09:43:22 2021 +0100| [64977ed7ae1e437910ca837ccb282e07d9200249] | committer: Andreas Rheinhardt

libswresample/audioconvert: Fix undefined NULL + 0

Affected 26 FATE tests like swr-resample_async-s16p-44100-8000.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=64977ed7ae1e437910ca837ccb282e07d9200249
---

 libswresample/audioconvert.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libswresample/audioconvert.c b/libswresample/audioconvert.c
index 89ee7bfae3..500aa0e5c5 100644
--- a/libswresample/audioconvert.c
+++ b/libswresample/audioconvert.c
@@ -237,10 +237,10 @@ int swri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, int len
         const int ich= ctx->ch_map ? ctx->ch_map[ch] : ch;
         const int is= ich < 0 ? 0 : (in->planar ? 1 : in->ch_count) * in->bps;
         const uint8_t *pi= ich < 0 ? ctx->silence : in->ch[ich];
-        uint8_t       *po= out->ch[ch];
-        uint8_t *end= po + os*len;
+        uint8_t *end, *po = out->ch[ch];
         if(!po)
             continue;
+        end = po + os * len;
         ctx->conv_f(po+off*os, pi+off*is, is, os, end);
     }
     return 0;



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