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87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
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/** (c) Nullsoft, Inc. C O N F I D E N T I A L
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** Filename:
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** Project:
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** Description:
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** Author: Ben Allison benski@nullsoft.com
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** Created:
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**/
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#include "main.h"
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#include "ExtendedReader.h"
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#include "../nu/AutoCharFn.h"
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ExtendedReader::ExtendedReader(OpenFunc _open, OpenWFunc _openW, OpenFunc _openFloat, OpenWFunc _openWFloat, GetDataFunc _getData, CloseFunc _close, SetTimeFunc _setTime)
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: open(_open), openFloat(_openFloat), openW(_openW), openWFloat(_openWFloat), getData(_getData), close(_close), setTime(_setTime), handle(0)
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{}
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bool ExtendedReader::Open(const wchar_t *filename, AudioParameters *parameters)
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{
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if (parameters->flags & AUDIOPARAMETERS_FLOAT)
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{
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if (this->openWFloat)
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handle = this->openWFloat(filename, (int *) & parameters->sizeBytes, (int *) & parameters->bitsPerSample, (int *) & parameters->channels, (int *) & parameters->sampleRate);
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else if (this->openFloat)
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handle = this->openFloat(AutoCharFn(filename), (int *) & parameters->sizeBytes, (int *) & parameters->bitsPerSample, (int *) & parameters->channels, (int *) & parameters->sampleRate);
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}
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else
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{
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if (this->openW)
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handle = this->openW(filename, (int *) & parameters->sizeBytes, (int *) & parameters->bitsPerSample, (int *) & parameters->channels, (int *) & parameters->sampleRate);
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else
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handle = this->open(AutoCharFn(filename), (int *) & parameters->sizeBytes, (int *) & parameters->bitsPerSample, (int *) & parameters->channels, (int *) & parameters->sampleRate);
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}
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if (handle > 0)
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return true;
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else
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{
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if (handle == -1)
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parameters->errorCode = API_DECODEFILE_FAIL_NO_WARN;
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else
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parameters->errorCode = API_DECODEFILE_FAILURE;
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return false;
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}
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}
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size_t ExtendedReader::ReadAudio(void *buffer, size_t sizeBytes)
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{
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int killswitch = 0;
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return this->getData(handle, buffer, sizeBytes, &killswitch);
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}
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size_t ExtendedReader::ReadAudio_kill(void *buffer, size_t sizeBytes, int *killswitch, int *error)
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{
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*error=0;
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intptr_t ret = this->getData(handle, buffer, sizeBytes, killswitch);
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if (ret < 0)
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{
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*error=1;
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return 0;
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}
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else
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return static_cast<size_t>(ret);
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}
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BOOL ExtendedReader::SeekToTimeMs(int millisecs)
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{
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if (!setTime)
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return FALSE;
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return this->setTime(handle, millisecs);
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}
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int ExtendedReader::CanSeek()
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{
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return setTime?1:0;
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}
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ExtendedReader::~ExtendedReader()
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{
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if (handle)
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this->close(handle);
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}
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#define CBCLASS ExtendedReader
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START_DISPATCH;
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CB(IFC_AUDIOSTREAM_READAUDIO, ReadAudio)
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CB(IFC_AUDIOSTREAM_READAUDIO2, ReadAudio_kill)
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CB(IFC_AUDIOSTREAM_SEEKTOTIMEMS, SeekToTimeMs)
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CB(IFC_AUDIOSTREAM_CANSEEK, CanSeek)
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END_DISPATCH;
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