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96 lines
2.7 KiB
96 lines
2.7 KiB
/*
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* Copyright 2021 Rockchip Electronics Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* author: kevin.chen@rock-chips.com
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*/
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#ifndef __MPI_JPEG_DECODER_H__
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#define __MPI_JPEG_DECODER_H__
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#include "rk_mpi.h"
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class QList;
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class MpiJpegDecoder {
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public:
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MpiJpegDecoder();
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~MpiJpegDecoder();
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/* All supported output formats */
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typedef enum {
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OUT_FORMAT_YUV420SP = MPP_FMT_YUV420SP,
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OUT_FORMAT_ARGB = MPP_FMT_ARGB8888,
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} OutputFormat;
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typedef struct {
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/* Input parameters, User-specified output buffer address */
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int32_t outputPhyAddr;
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/* Output parameters */
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int32_t FrameWidth; // buffer horizontal stride
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int32_t FrameHeight; // buffer vertical stride
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int32_t DisplayWidth; // valid width for display
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int32_t DisplayHeight; // valid height for display
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int32_t ErrorInfo; // error information
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int32_t OutputSize;
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char *MemVirAddr; // output buffer address
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int32_t MemPhyAddr;
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void *Handle; // frame handle, used to release cache buffer
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} OutputFrame_t;
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bool prepareDecoder();
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bool flushBuffer();
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/*
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* output buffer count within limits, so release frame buffer if the
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* frame has been display successfully.
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*/
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bool deinitOutputFrame(OutputFrame_t *frameOut);
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/* Asynchronous decoding interface */
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bool sendpacket(char* data, size_t size, int32_t outputFd = 0);
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bool getoutframe(OutputFrame_t *frameOut);
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/* Synchronous decoding interface */
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bool decodePacket(char* data, size_t size, OutputFrame_t *frameOut);
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bool decodeFile(const char *inputFile, const char *outputFile);
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private:
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MppCtx mMppCtx;
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MppApi *mMppMpi;
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int32_t mWidth;
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int32_t mHeight;
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bool mStateReady;
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bool mOutputCrop;
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int32_t mOutputFmt;
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int32_t mPacketCount;
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int32_t mFrameCount;
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QList *mFrames;
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MppBufferGroup mMemGroup;
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bool reinitDecoder();
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bool setupOutFrameFromMppFrame(OutputFrame_t *frameOut, MppFrame frame);
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bool cropOutputFrameIfNeccessary(OutputFrame_t *frameOut);
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};
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#endif // __MPI_JPEG_DECODER_H__
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