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Jef 2024-09-24 14:54:57 +02:00
parent 537bcbc862
commit fc06254474
16440 changed files with 4239995 additions and 2 deletions
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Src/Winamp/ExtendedReader.cpp Normal file
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/** (c) Nullsoft, Inc. C O N F I D E N T I A L
** Filename:
** Project:
** Description:
** Author: Ben Allison benski@nullsoft.com
** Created:
**/
#include "main.h"
#include "ExtendedReader.h"
#include "../nu/AutoCharFn.h"
ExtendedReader::ExtendedReader(OpenFunc _open, OpenWFunc _openW, OpenFunc _openFloat, OpenWFunc _openWFloat, GetDataFunc _getData, CloseFunc _close, SetTimeFunc _setTime)
: open(_open), openFloat(_openFloat), openW(_openW), openWFloat(_openWFloat), getData(_getData), close(_close), setTime(_setTime), handle(0)
{}
bool ExtendedReader::Open(const wchar_t *filename, AudioParameters *parameters)
{
if (parameters->flags & AUDIOPARAMETERS_FLOAT)
{
if (this->openWFloat)
handle = this->openWFloat(filename, (int *) & parameters->sizeBytes, (int *) & parameters->bitsPerSample, (int *) & parameters->channels, (int *) & parameters->sampleRate);
else if (this->openFloat)
handle = this->openFloat(AutoCharFn(filename), (int *) & parameters->sizeBytes, (int *) & parameters->bitsPerSample, (int *) & parameters->channels, (int *) & parameters->sampleRate);
}
else
{
if (this->openW)
handle = this->openW(filename, (int *) & parameters->sizeBytes, (int *) & parameters->bitsPerSample, (int *) & parameters->channels, (int *) & parameters->sampleRate);
else
handle = this->open(AutoCharFn(filename), (int *) & parameters->sizeBytes, (int *) & parameters->bitsPerSample, (int *) & parameters->channels, (int *) & parameters->sampleRate);
}
if (handle > 0)
return true;
else
{
if (handle == -1)
parameters->errorCode = API_DECODEFILE_FAIL_NO_WARN;
else
parameters->errorCode = API_DECODEFILE_FAILURE;
return false;
}
}
size_t ExtendedReader::ReadAudio(void *buffer, size_t sizeBytes)
{
int killswitch = 0;
return this->getData(handle, buffer, sizeBytes, &killswitch);
}
size_t ExtendedReader::ReadAudio_kill(void *buffer, size_t sizeBytes, int *killswitch, int *error)
{
*error=0;
intptr_t ret = this->getData(handle, buffer, sizeBytes, killswitch);
if (ret < 0)
{
*error=1;
return 0;
}
else
return static_cast<size_t>(ret);
}
BOOL ExtendedReader::SeekToTimeMs(int millisecs)
{
if (!setTime)
return FALSE;
return this->setTime(handle, millisecs);
}
int ExtendedReader::CanSeek()
{
return setTime?1:0;
}
ExtendedReader::~ExtendedReader()
{
if (handle)
this->close(handle);
}
#define CBCLASS ExtendedReader
START_DISPATCH;
CB(IFC_AUDIOSTREAM_READAUDIO, ReadAudio)
CB(IFC_AUDIOSTREAM_READAUDIO2, ReadAudio_kill)
CB(IFC_AUDIOSTREAM_SEEKTOTIMEMS, SeekToTimeMs)
CB(IFC_AUDIOSTREAM_CANSEEK, CanSeek)
END_DISPATCH;