树莓派如何查看音频编码硬件加速情况

这篇文章将为大家详细讲解有关树莓派如何查看音频编码硬件加速情况，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。

pi@raspberrypi ~/projects/test $ ./il_test_audio_encodings 

StateLoaded

StateIdle

Audio ports:

Ports start on 160

There are 2 open ports

Port 160 has 1 buffers of size 1024

Direction is input

    Unsupported encoding is OMX_AUDIO_CodingPCM

    Unsupported encoding is OMX_AUDIO_CodingADPCM

    Unsupported encoding is OMX_AUDIO_CodingAMR

    Unsupported encoding is OMX_AUDIO_CodingGSMFR

    Unsupported encoding is OMX_AUDIO_CodingGSMEFR

    Unsupported encoding is OMX_AUDIO_CodingGSMHR

    Unsupported encoding is OMX_AUDIO_CodingPDCFR

    Unsupported encoding is OMX_AUDIO_CodingPDCEFR

    Unsupported encoding is OMX_AUDIO_CodingPDCHR

    Unsupported encoding is OMX_AUDIO_CodingTDMAFR

    Unsupported encoding is OMX_AUDIO_CodingTDMAEFR

    Unsupported encoding is OMX_AUDIO_CodingQCELP8

    Unsupported encoding is OMX_AUDIO_CodingQCELP13

    Unsupported encoding is OMX_AUDIO_CodingEVRC

    Unsupported encoding is OMX_AUDIO_CodingSMV

    Unsupported encoding is OMX_AUDIO_CodingG711

    Unsupported encoding is OMX_AUDIO_CodingG723

    Unsupported encoding is OMX_AUDIO_CodingG726

    Unsupported encoding is OMX_AUDIO_CodingG729

    Unsupported encoding is OMX_AUDIO_CodingAAC

    Unsupported encoding is OMX_AUDIO_CodingMP3

    Unsupported encoding is OMX_AUDIO_CodingSBC

    Unsupported encoding is OMX_AUDIO_CodingVORBIS

    Unsupported encoding is OMX_AUDIO_CodingWMA

    Unsupported encoding is OMX_AUDIO_CodingRA

    Unsupported encoding is OMX_AUDIO_CodingMIDI

    Unsupported encoding is OMX_AUDIO_CodingFLAC

    Unsupported encoding is OMX_AUDIO_CodingDDP

    Unsupported encoding is OMX_AUDIO_CodingDTS

    Unsupported encoding is OMX_AUDIO_CodingWMAPRO

    Unsupported encoding is OMX_AUDIO_CodingATRAC3

    Unsupported encoding is OMX_AUDIO_CodingATRACX

    Unsupported encoding is OMX_AUDIO_CodingATRACAAL

Port 161 has 1 buffers of size 1024

Direction is output

    Supported encoding is OMX_AUDIO_CodingPCM

    Supported encoding is OMX_AUDIO_CodingADPCM

    Supported encoding is OMX_AUDIO_CodingAMR

    Supported encoding is OMX_AUDIO_CodingGSMFR

    Supported encoding is OMX_AUDIO_CodingGSMEFR

    Supported encoding is OMX_AUDIO_CodingGSMHR

    Supported encoding is OMX_AUDIO_CodingPDCFR

    Supported encoding is OMX_AUDIO_CodingPDCEFR

    Supported encoding is OMX_AUDIO_CodingPDCHR

    Supported encoding is OMX_AUDIO_CodingTDMAFR

    Supported encoding is OMX_AUDIO_CodingTDMAEFR

    Supported encoding is OMX_AUDIO_CodingQCELP8

    Supported encoding is OMX_AUDIO_CodingQCELP13

    Supported encoding is OMX_AUDIO_CodingEVRC

    Supported encoding is OMX_AUDIO_CodingSMV

    Supported encoding is OMX_AUDIO_CodingG711

    Supported encoding is OMX_AUDIO_CodingG723

    Supported encoding is OMX_AUDIO_CodingG726

    Supported encoding is OMX_AUDIO_CodingG729

    Supported encoding is OMX_AUDIO_CodingAAC

    Supported encoding is OMX_AUDIO_CodingMP3

    Supported encoding is OMX_AUDIO_CodingSBC

    Supported encoding is OMX_AUDIO_CodingVORBIS

    Supported encoding is OMX_AUDIO_CodingWMA

    Supported encoding is OMX_AUDIO_CodingRA

    Supported encoding is OMX_AUDIO_CodingMIDI

    Supported encoding is OMX_AUDIO_CodingFLAC

    Supported encoding is OMX_AUDIO_CodingDDP

    Supported encoding is OMX_AUDIO_CodingDTS

    Supported encoding is OMX_AUDIO_CodingWMAPRO

    Supported encoding is OMX_AUDIO_CodingATRAC3

    Supported encoding is OMX_AUDIO_CodingATRACX

    Supported encoding is OMX_AUDIO_CodingATRACAAL

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