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Fix ffmpeg detection with -D OPENCV_WARNINGS_ARE_ERRORS=ON option.

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This commit is contained in:
catree 2017-07-02 01:59:41 +02:00
parent e5aa213554
commit 921f06eb6f
1 changed files with 3 additions and 0 deletions
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3
cmake/checks/ffmpeg_test.cpp
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@ -15,12 +15,15 @@ static void test()
AVFormatContext* c = 0; AVFormatContext* c = 0;
AVCodec* avcodec = 0; AVCodec* avcodec = 0;
AVFrame* frame = 0; AVFrame* frame = 0;
(void)avcodec;
(void)frame;
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0) #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0)
int err = avformat_open_input(&c, "", NULL, NULL); int err = avformat_open_input(&c, "", NULL, NULL);
#else #else
int err = av_open_input_file(&c, "", NULL, 0, NULL); int err = av_open_input_file(&c, "", NULL, 0, NULL);
#endif #endif
(void)err;
} }
int main() { test(); return 0; } int main() { test(); return 0; }