int64_t lastReadPacktTime; static int interrupt_cb(void *ctx) { int timeout = 3; if (av_gettime() - lastReadPacktTime > timeout * 1000 * 1000) { return -1; } return 0; } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 回调函数中返回0则代表ffmpeg继续阻塞直到ffmpeg正常工作为止,否则...
= VIDEO_ACCELERATION_ANY) { CV_LOG_ERROR(NULL, "VIDEOIO/FFMPEG: FFmpeg backend is build without acceleration support. " "Can't handle CAP_PROP_HW_ACCELERATION parameter. Bailout"); return false; } #endif } if (params.has(CAP_PROP_HW_DEVICE)) { hw_device = params.get<int>(CAP_PROP...
avformat_network_init();//pFormatCtx = avformat_alloc_context();//pFormatCtx->interrupt_callback.callback = interrupt_cb;//---注册回调函数//pFormatCtx->interrupt_callback.opaque = pFormatCtx;//打开视频文件,通过参数filepath来获得文件名。这个函数读取文件的头部并且把信息保存到我们给的AVFormatCon...
Interrupt CMakeFiles/Makefile2:3665: recipe for target 'modules/imgproc/CMakeFiles/opencv_test_imgproc.dir/all' failed make[1]: *** [modules/imgproc/CMakeFiles/opencv_test_imgproc.dir/all] Interrupt Makefile:160: recipe for target 'all' failed make: *** [all] Interrupt mspl@mspl-...