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Open Source Computer Vision Library
https://opencv.org/
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29 lines
577 B
29 lines
577 B
#define __STDC_CONSTANT_MACROS |
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#include <stdlib.h> |
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extern "C" { |
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#include <libavformat/avformat.h> |
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#include <libavcodec/avcodec.h> |
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#include <libswscale/swscale.h> |
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} |
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#define CALC_FFMPEG_VERSION(a,b,c) ( a<<16 | b<<8 | c ) |
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static void test() |
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{ |
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AVFormatContext* c = 0; |
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AVCodec* avcodec = 0; |
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AVFrame* frame = 0; |
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(void)avcodec; |
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(void)frame; |
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#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0) |
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int err = avformat_open_input(&c, "", NULL, NULL); |
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#else |
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int err = av_open_input_file(&c, "", NULL, 0, NULL); |
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#endif |
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(void)err; |
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} |
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int main() { test(); return 0; }
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