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winamp/Src/Plugins/Input/in_mkv/ifc_mkvaudiodecoder.h

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2024-09-24 12:54:57 +00:00
#pragma once
#include <bfc/dispatch.h>
class NOVTABLE ifc_mkvaudiodecoder : public Dispatchable
{
protected:
ifc_mkvaudiodecoder() {}
~ifc_mkvaudiodecoder() {}
public:
enum
{
MKV_SUCCESS = 0,
MKV_NEED_MORE_INPUT = -1,
MKV_FAILURE=1,
};
int OutputFrameSize(size_t *frame_size);
int GetOutputProperties(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample, bool *isFloat); // can return an error code for "havn't locked to stream yet"
int DecodeBlock(const void *inputBuffer, size_t inputBufferBytes, void *outputBuffer, size_t *outputBufferBytes);
void Flush();
void Close(); // self-destructs
void EndOfStream(); // no more input, output anything you have buffered
DISPATCH_CODES
{
OUTPUT_FRAME_SIZE = 0,
GET_OUTPUT_PROPERTIES = 1,
DECODE_BLOCK = 2,
FLUSH = 3,
CLOSE = 4,
END_OF_STREAM = 5,
};
};
inline int ifc_mkvaudiodecoder::OutputFrameSize(size_t *frame_size)
{
return _call(OUTPUT_FRAME_SIZE, (int)MKV_FAILURE, frame_size);
}
inline int ifc_mkvaudiodecoder::GetOutputProperties(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample, bool *isFloat)
{
return _call(GET_OUTPUT_PROPERTIES, (int)MKV_FAILURE, sampleRate, channels, bitsPerSample, isFloat);
}
inline int ifc_mkvaudiodecoder::DecodeBlock(const void *inputBuffer, size_t inputBufferBytes, void *outputBuffer, size_t *outputBufferBytes)
{
return _call(DECODE_BLOCK, (int)MKV_FAILURE, inputBuffer, inputBufferBytes, outputBuffer, outputBufferBytes);
}
inline void ifc_mkvaudiodecoder::Flush()
{
_voidcall(FLUSH);
}
inline void ifc_mkvaudiodecoder::Close()
{
_voidcall(CLOSE);
}
inline void ifc_mkvaudiodecoder::EndOfStream()
{
_voidcall(END_OF_STREAM);
}