Ensure the allocated AVCodecContext is properly freed if 
avcodec_parameters_to_context fails.

Signed-off-by: 0xBat <[email protected]>
---
 doc/examples/extract_mvs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/examples/extract_mvs.c b/doc/examples/extract_mvs.c
index 5603064d72..b5ed2c5549 100644
--- a/doc/examples/extract_mvs.c
+++ b/doc/examples/extract_mvs.c
@@ -109,6 +109,7 @@ static int open_codec_context(AVFormatContext *fmt_ctx, 
enum AVMediaType type)
         ret = avcodec_parameters_to_context(dec_ctx, st->codecpar);
         if (ret < 0) {
             fprintf(stderr, "Failed to copy codec parameters to codec 
context\n");
+            avcodec_free_context(&dec_ctx);
             return ret;
         }
 
-- 
2.52.0.windows.1

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