fixed -Wunused-result warning

9 years ago · e0d64df763
parent 77849d0033
commit e0d64df763
1 changed files with 2 additions and 1 deletions
--- a/modules/highgui/src/cap_ffmpeg_impl.hpp
+++ b/modules/highgui/src/cap_ffmpeg_impl.hpp
@ -2287,7 +2287,8 @@ bool OutputMediaStream_FFMPEG::open(const char* fileName, int width, int height,
    #if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
        av_write_header(oc_);
    #else
-        avformat_write_header(oc_, NULL);
+        if (avformat_write_header(oc_, NULL) != 0)
+            return false;
    #endif

    return true;