打开音频设备-tongweb7企业版用户手册

if (SDL_OpenAudio(&wanted_spec, NULL)<0)//步骤（2）打开音频设备 { printf("can't open audio.\n"); return 0; } //----------------------------------------------------- printf("比特率 %3d\n", pFormatCtx->bit_rate); printf("解码器名称 %s\n", pCodecCtx->codec->long_name); printf("time_base %d \n", pCodecCtx->time_base); printf("声道数 %d \n", pCodecCtx->channels); printf("sample per second %d \n", pCodecCtx->sample_rate); //新版不再需要