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Bart van Strien
2012-07-04 14:40:24 +02:00
parent a970f1df97
commit 7793e7f02f
414 changed files with 94042 additions and 94042 deletions
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src/modules/sound/SoundData.cpp
+187 -187
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@@ -1,187 +1,187 @@
/**
* Copyright (c) 2006-2012 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "SoundData.h"
// C
#include <climits>
#include <cstdlib>
#include <cstring>
// STL
#include <iostream>
#include <vector>
namespace love
{
namespace sound
{
SoundData::SoundData(Decoder *decoder)
: data(0)
, size(0)
, sampleRate(Decoder::DEFAULT_SAMPLE_RATE)
, bits(0)
, channels(0)
{
size_t bufferSize = 524288;
int decoded = decoder->decode();
while (decoded > 0)
{
// Expand or allocate buffer. Note that realloc may move
// memory to other locations.
if (!data || bufferSize < (size_t) size + decoded)
{
while (bufferSize < (size_t) size + decoded)
bufferSize <<= 1;
data = (char *)realloc(data, bufferSize);
}
if (!data)
throw love::Exception("Not enough memory.");
// Copy memory into new part of memory.
memcpy(data + size, decoder->getBuffer(), decoded);
// Keep this up to date.
size += decoded;
// Overflow check.
if (size < 0)
{
free(data);
throw love::Exception("Not enough memory.");
}
decoded = decoder->decode();
}
// Shrink buffer if necessary.
if (data && bufferSize > (size_t) size)
data = (char *) realloc(data, size);
channels = decoder->getChannels();
bits = decoder->getBits();
sampleRate = decoder->getSampleRate();
}
SoundData::SoundData(int samples, int sampleRate, int bits, int channels)
: data(0)
, size(samples*(bits/8)*channels)
, sampleRate(sampleRate)
, bits(bits)
, channels(channels)
{
double realsize = samples;
realsize *= (bits/8)*channels;
if (realsize > INT_MAX)
throw love::Exception("Data is too big!");
data = (char *)malloc(size);
if (!data)
throw love::Exception("Not enough memory.");
}
SoundData::SoundData(void *d, int samples, int sampleRate, int bits, int channels)
: data(0)
, size(samples*(bits/8)*channels)
, sampleRate(sampleRate)
, bits(bits)
, channels(channels)
{
double realsize = samples;
realsize *= (bits/8)*channels;
if (realsize > INT_MAX)
throw love::Exception("Data is too big!");
data = (char *)malloc(size);
if (!data)
throw love::Exception("Not enough memory.");
memcpy(data, d, size);
}
SoundData::~SoundData()
{
if (data != 0)
free(data);
}
void *SoundData::getData() const
{
return (void *)data;
}
int SoundData::getSize() const
{
return (int)size;
}
int SoundData::getChannels() const
{
return channels;
}
int SoundData::getBits() const
{
return bits;
}
int SoundData::getSampleRate() const
{
return sampleRate;
}
void SoundData::setSample(int i, float sample)
{
// Check range.
if (i < 0 || i >= size/(bits/8))
return;
if (bits == 16)
{
short *s = (short *)data;
s[i] = (short)(sample*(float)SHRT_MAX);
return;
}
else
{
data[i] = (char)(sample*(float)CHAR_MAX);
return;
}
}
float SoundData::getSample(int i) const
{
// Check range.
if (i < 0 || i >= size/(bits/8))
return 0;
if (bits == 16)
{
short *s = (short *)data;
return (float)s[i]/(float)SHRT_MAX;
}
else
{
return (float)data[i]/(float)CHAR_MAX;
}
}
} // sound
} // love
/**
* Copyright (c) 2006-2012 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "SoundData.h"
// C
#include <climits>
#include <cstdlib>
#include <cstring>
// STL
#include <iostream>
#include <vector>
namespace love
{
namespace sound
{
SoundData::SoundData(Decoder *decoder)
: data(0)
, size(0)
, sampleRate(Decoder::DEFAULT_SAMPLE_RATE)
, bits(0)
, channels(0)
{
size_t bufferSize = 524288;
int decoded = decoder->decode();
while (decoded > 0)
{
// Expand or allocate buffer. Note that realloc may move
// memory to other locations.
if (!data || bufferSize < (size_t) size + decoded)
{
while (bufferSize < (size_t) size + decoded)
bufferSize <<= 1;
data = (char *)realloc(data, bufferSize);
}
if (!data)
throw love::Exception("Not enough memory.");
// Copy memory into new part of memory.
memcpy(data + size, decoder->getBuffer(), decoded);
// Keep this up to date.
size += decoded;
// Overflow check.
if (size < 0)
{
free(data);
throw love::Exception("Not enough memory.");
}
decoded = decoder->decode();
}
// Shrink buffer if necessary.
if (data && bufferSize > (size_t) size)
data = (char *) realloc(data, size);
channels = decoder->getChannels();
bits = decoder->getBits();
sampleRate = decoder->getSampleRate();
}
SoundData::SoundData(int samples, int sampleRate, int bits, int channels)
: data(0)
, size(samples*(bits/8)*channels)
, sampleRate(sampleRate)
, bits(bits)
, channels(channels)
{
double realsize = samples;
realsize *= (bits/8)*channels;
if (realsize > INT_MAX)
throw love::Exception("Data is too big!");
data = (char *)malloc(size);
if (!data)
throw love::Exception("Not enough memory.");
}
SoundData::SoundData(void *d, int samples, int sampleRate, int bits, int channels)
: data(0)
, size(samples*(bits/8)*channels)
, sampleRate(sampleRate)
, bits(bits)
, channels(channels)
{
double realsize = samples;
realsize *= (bits/8)*channels;
if (realsize > INT_MAX)
throw love::Exception("Data is too big!");
data = (char *)malloc(size);
if (!data)
throw love::Exception("Not enough memory.");
memcpy(data, d, size);
}
SoundData::~SoundData()
{
if (data != 0)
free(data);
}
void *SoundData::getData() const
{
return (void *)data;
}
int SoundData::getSize() const
{
return (int)size;
}
int SoundData::getChannels() const
{
return channels;
}
int SoundData::getBits() const
{
return bits;
}
int SoundData::getSampleRate() const
{
return sampleRate;
}
void SoundData::setSample(int i, float sample)
{
// Check range.
if (i < 0 || i >= size/(bits/8))
return;
if (bits == 16)
{
short *s = (short *)data;
s[i] = (short)(sample*(float)SHRT_MAX);
return;
}
else
{
data[i] = (char)(sample*(float)CHAR_MAX);
return;
}
}
float SoundData::getSample(int i) const
{
// Check range.
if (i < 0 || i >= size/(bits/8))
return 0;
if (bits == 16)
{
short *s = (short *)data;
return (float)s[i]/(float)SHRT_MAX;
}
else
{
return (float)data[i]/(float)CHAR_MAX;
}
}
} // sound
} // love