[FFmpeg-devel] [PATCH] libavcodec: v4l2m2m: make sure to unref avpkt

Lukas Rusak lorusak at gmail.com
Wed Jun 27 00:36:46 EEST 2018


This was found using valgrind. Using this patch there is no more memleak present.
---
 libavcodec/v4l2_m2m_dec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavcodec/v4l2_m2m_dec.c b/libavcodec/v4l2_m2m_dec.c
index 598dc10781..710e40efd8 100644
--- a/libavcodec/v4l2_m2m_dec.c
+++ b/libavcodec/v4l2_m2m_dec.c
@@ -149,11 +149,14 @@ static int v4l2_receive_frame(AVCodecContext *avctx, AVFrame *frame)
 
     if (avpkt.size) {
         ret = v4l2_try_start(avctx);
-        if (ret)
+        if (ret) {
+            av_packet_unref(&avpkt);
             return 0;
+        }
     }
 
 dequeue:
+    av_packet_unref(&avpkt);
     return ff_v4l2_context_dequeue_frame(capture, frame);
 }
 
-- 
2.17.0



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