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135 lines
2.3 KiB
C
135 lines
2.3 KiB
C
#pragma once
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#include "enum.h"
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#include "stream.h"
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/**
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* \defgroup h264_decode H264 Decode
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* \ingroup h264
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* @{
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Calculate the amount of memory required for the specified parameters.
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*/
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H264Error
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H264DECMemoryRequirement(int32_t profile,
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int32_t level,
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int32_t maxWidth,
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int32_t maxHeight,
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uint32_t *outMemoryRequirement);
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/**
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* Initialise a H264 decoder in the given memory.
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*/
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H264Error
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H264DECInitParam(int32_t memorySize,
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void *memory);
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/**
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* Set H264 decoder parameter.
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*/
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H264Error
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H264DECSetParam(void *memory,
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H264Parameter parameter,
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void *value);
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/**
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* Set the callback which is called when a frame is output from the decoder.
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*/
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H264Error
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H264DECSetParam_FPTR_OUTPUT(void *memory,
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H264DECFptrOutputFn value);
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/**
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* Set whether the decoder should internally buffer frames or call the callback
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* immediately as soon as a frame is emitted.
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*/
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H264Error
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H264DECSetParam_OUTPUT_PER_FRAME(void *memory,
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uint32_t value);
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/**
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* Set a user memory pointer which is passed to the frame output callback.
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*/
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H264Error
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H264DECSetParam_USER_MEMORY(void *memory,
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void *value);
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/**
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* Check if the provided memory can be used for decoding.
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*/
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H264Error
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H264DECCheckMemSegmentation(void *memory,
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uint32_t size);
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/**
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* Open a H264 decoder.
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*/
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H264Error
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H264DECOpen(void *memory);
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/**
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* Prepare for decoding.
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*/
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H264Error
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H264DECBegin(void *memory);
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/**
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* Set the bit stream to be read for decoding.
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*/
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H264Error
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H264DECSetBitstream(void *memory,
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uint8_t *buffer,
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uint32_t bufferLength,
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double timestamp);
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/**
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* Perform decoding of the bitstream and put the output frame into frameBuffer.
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*/
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H264Error
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H264DECExecute(void *memory,
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void *frameBuffer);
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/**
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* Flush any internally buffered frames.
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*/
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H264Error
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H264DECFlush(void *memory);
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/**
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* End decoding of the current stream.
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*/
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H264Error
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H264DECEnd(void *memory);
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/**
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* Cleanup the decoder.
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*/
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H264Error
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H264DECClose(void *memory);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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