caffe_inference-optimize跑video报错

https://github.com/01org/caffe
build完caffe，执行

build/tools/caffe-fp16.bin  test -model models/yolo/yolo416/yolo_fused_test.prototxt  -phase TEST -iterations 1000000 -weights models/yolo/yolo416/fused_yolo.caffemodel -gpu 0 

报错

Unable to stop the stream: Inappropriate ioctl for deviceF0824 18:45:43.096151 22955 video_data_layer.cpp:53] Failed to open video: examples/videos/ILSVRC2015_train_00755001.mp4*** Check failure stack trace: ***    @     0x7f8fc9f67e6d  (unknown)    @     0x7f8fc9f69ced  (unknown)    @     0x7f8fc9f67a5c  (unknown)    @     0x7f8fc9f6a63e  (unknown)    @     0x7f8fcafb8bca  caffe::VideoDataLayer<>::DataLayerSetUp()    @     0x7f8fcae460f4  caffe::BasePrefetchingDataLayer<>::LayerSetUp()    @     0x7f8fcafec116  caffe::Net<>::Init()    @     0x7f8fcafee69d  caffe::Net<>::Net()    @           0x414681  test()    @           0x4117fc  main    @     0x7f8fc0072b35  __libc_start_main    @           0x412229  (unknown)Aborted (core dumped)

解决：将ffmpeg_test.cpp替换opencv/cmake/checks 目录下的同名文件，重新编译安装

ffmpeg_test.cpp

#include <stdlib.h>#ifdef __cplusplus#define __STDC_CONSTANT_MACROS#ifdef _STDINT_H#undef _STDINT_H#endif# include <stdint.h>#endifextern "C" {#include <libavformat/avformat.h>#include <libavcodec/avcodec.h>#include <libswscale/swscale.h>}#define CALC_FFMPEG_VERSION(a,b,c) ( a<<16 | b<<8 | c )static void test(){  AVFormatContext* c = 0;  AVCodec* avcodec = 0;  AVFrame* frame = 0;#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0)  int err = avformat_open_input(&c, "", NULL, NULL);#else  int err = av_open_input_file(&c, "", NULL, 0, NULL);#endif}int main() { test(); return 0; }