main.cpp

#include "main_window.h"
#include <QApplication>
#include <qsystemdetection.h>

#if defined(Q_OS_WIN)
#include <vld.h>
#endif

#ifdef __cplusplus
extern "C" {
#include <libavdevice/avdevice.h>
#include <libavformat/avformat.h>
#endif
#if __cplusplus
}
#endif

// avcl: A pointer to an arbitrary struct of which the first field is a pointer to an AVClass struct.
static void av_log_callback(void* avcl, int level, const char* fmt, va_list vl)
{
    (void) avcl;
    (void) level;
    (void) fmt;
    (void) vl;
    // TODO
}

int main(int argc, char* argv[])
{
    QApplication a(argc, argv);

    av_log_set_level(AV_LOG_WARNING);
//    av_log_set_callback(av_log_callback);
    avdevice_register_all();

    {
        // 遍历支持的封装格式
        AVInputFormat* input_format = av_iformat_next(nullptr);
        puts("-------------------------------Input--------------------------------");
        while (input_format != nullptr)
        {
            printf("%s ", input_format->name);
            input_format = input_format->next;
        }
        puts("\n--------------------------------------------------------------------");

        AVOutputFormat* output_format = av_oformat_next(nullptr);
        puts("-------------------------------Output-------------------------------");
        while (output_format != nullptr)
        {
            printf("%s ", output_format->name);
            output_format = output_format->next;
        }
        puts("\n--------------------------------------------------------------------");
    }

    MainWindow w;
    w.show();

    return a.exec();
}