解码

Completed

风

June 24, 2023 08:26
Edited

 val inputBufferIndex = decoder?.dequeueInputBuffer(TIMEOUT_US.toLong()) ?: return
            if (inputBufferIndex >= 0) {
                val inputBuffer = decoder?.getInputBuffer(inputBufferIndex) ?: return
                val presentationTimeUs = extractor.sampleTime
                inputBuffer.clear()
                inputBuffer.put(h265Data)
                decoder?.queueInputBuffer(inputBufferIndex, 0, h265Data.size, 0, 0)
            }
            val bufferInfo = MediaCodec.BufferInfo()
            var outputBufferIndex = decoder?.dequeueOutputBuffer(bufferInfo, TIMEOUT_US.toLong()) ?: return
            if(outputBufferIndex >= 0) {
                decoder?.releaseOutputBuffer(outputBufferIndex, true)
}
我这样解码监听器中的h.265数据一直app闪退而且没有画面，可以帮忙看一下吗？
其中h265Data是ivideoframe中的data

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4 comments

DJI Developer Support

June 25, 2023 06:56
app闪退时日志中是否有相关的崩溃日志？编解码可参考该文章：第五章：视频流解码
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风

July 02, 2023 10:59
2023-07-02 12:36:31.513 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/PerceptionManager: (co_a:5) updatePerceptionDelegate
2023-07-02 12:36:32.160 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventHasTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}
2023-07-02 12:36:32.161 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventNeverTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}
2023-07-02 12:36:32.162 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) Failure getting key mKeyInfo:DJIKeyInfo{componentType=4, subComponentType=65534, converter=dji.sdk.keyvalue.converter.SingleValueConverter@6076689, canGet=true, canSet=false, canListen=false, canPerformAction=false, mIsEvent=false, identifier='FirmwareVersion'} mProductId:0 mComponentType:4 mComponentIndex:0 mSubComponentType:65534 mSubComponentIndex:65534. ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}
2023-07-02 12:36:32.163 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) Failure getting key mKeyInfo:DJIKeyInfo{componentType=4, subComponentType=65534, converter=dji.sdk.keyvalue.converter.SingleValueConverter@6076689, canGet=true, canSet=false, canListen=true, canPerformAction=false, mIsEvent=false, identifier='SerialNumber'} mProductId:0 mComponentType:4 mComponentIndex:0 mSubComponentType:65534 mSubComponentIndex:65534. ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}
2023-07-02 12:36:32.163 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (co_a:27) io.reactivex.rxjava3.exceptions.UndeliverableException: The exception could not be delivered to the consumer because it has already canceled/disposed the flow or the exception has nowhere to go to begin with. Further reading: https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0#error-handling | RxError{djiError=ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}}
2023-07-02 12:36:32.163 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventHasTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}
2023-07-02 12:36:32.164 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventNeverTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}
2023-07-02 12:36:32.169 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) Failure getting key mKeyInfo:DJIKeyInfo{componentType=4, subComponentType=65534, converter=dji.sdk.keyvalue.converter.SingleValueConverter@6076689, canGet=true, canSet=false, canListen=false, canPerformAction=false, mIsEvent=false, identifier='FirmwareVersion'} mProductId:0 mComponentType:4 mComponentIndex:0 mSubComponentType:65534 mSubComponentIndex:65534. ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}
2023-07-02 12:36:32.171 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) Failure getting key mKeyInfo:DJIKeyInfo{componentType=4, subComponentType=65534, converter=dji.sdk.keyvalue.converter.SingleValueConverter@6076689, canGet=true, canSet=false, canListen=true, canPerformAction=false, mIsEvent=false, identifier='SerialNumber'} mProductId:0 mComponentType:4 mComponentIndex:0 mSubComponentType:65534 mSubComponentIndex:65534. ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}
2023-07-02 12:36:32.171 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (co_a:27) io.reactivex.rxjava3.exceptions.UndeliverableException: The exception could not be delivered to the consumer because it has already canceled/disposed the flow or the exception has nowhere to go to begin with. Further reading: https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0#error-handling | RxError{djiError=ErrorImp{errorType='CORE', errorCode='REQUEST_TIMEOUT', innerCode='', description='null', hint='error code = -3'}}
2023-07-02 12:36:32.259 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventHasTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_HANDLER_NOT_FOUND', innerCode='', description='null', hint='error code = -1'}
2023-07-02 12:36:32.260 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventHasTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_HANDLER_NOT_FOUND', innerCode='', description='null', hint='error code = -1'}
2023-07-02 12:36:32.260 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventNeverTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_HANDLER_NOT_FOUND', innerCode='', description='null', hint='error code = -1'}
2023-07-02 12:36:32.260 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventNeverTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_HANDLER_NOT_FOUND', innerCode='', description='null', hint='error code = -1'}
2023-07-02 12:36:32.328 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventNeverTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_HANDLER_NOT_FOUND', innerCode='', description='null', hint='error code = -1'}
2023-07-02 12:36:32.329 4398-4398/com.dji.sampleV5.aircraft E/DJIV5/RXUtil: (onFailure:1) SdrLostPreventHasTakeoffEnable-onFailure true ErrorImp{errorType='CORE', errorCode='REQUEST_HANDLER_NOT_FOUND', innerCode='', description='null', hint='error code = -1'}
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风

July 02, 2023 10:59
日志大概是这样，第五章除了让你自己解码有什么好参考的
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DJI Developer Support

July 03, 2023 14:00
您给到我们的日志信息中似乎没有崩溃和闪退的内容。如果没有添加上您自己的解码代码，App会出现崩溃吗？有一点会影响到您解码的是MSDK v5的I帧是通过videoDecoder进行请求的，因此没有videoDecoder会导致解码出来的数据黑屏或者卡顿严重。
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