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| [submodule "ext/libmodplug"] | ||
| path = ext/libmodplug | ||
| url = https://github.com/jarikomppa/libmodplug.git |
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Submodule libmodplug
added at
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| libmodplug module for SoLoud audio engine | ||
| Copyright (c) 2014 Jari Komppa | ||
| 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. | ||
| */ | ||
|
|
||
| #ifndef MODPLUG_H | ||
| #define MODPLUG_H | ||
|
|
||
| #include "soloud.h" | ||
|
|
||
| namespace SoLoud | ||
| { | ||
| class Modplug; | ||
|
|
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| class ModplugInstance : public AudioSourceInstance | ||
| { | ||
| Modplug *mParent; | ||
| void *mModplugfile; | ||
| int mPlaying; | ||
|
|
||
| public: | ||
| ModplugInstance(Modplug *aParent); | ||
| virtual ~ModplugInstance(); | ||
| virtual void getAudio(float *aBuffer, int aSamples); | ||
| virtual int hasEnded(); | ||
| }; | ||
|
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| class Modplug : public AudioSource | ||
| { | ||
| public: | ||
| char *mData; | ||
| int mDataLen; | ||
| Modplug(); | ||
| virtual ~Modplug(); | ||
| int load(const char* aFilename); | ||
| virtual AudioSourceInstance *createInstance(); | ||
| }; | ||
| }; | ||
|
|
||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| /* | ||
| libmodplug module for SoLoud audio engine | ||
| Copyright (c) 2014 Jari Komppa | ||
| 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 <stdlib.h> | ||
| #include <stdio.h> | ||
| #include "soloud_modplug.h" | ||
| #include "../ext/libmodplug/src/modplug.h" | ||
|
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|
|
||
| namespace SoLoud | ||
| { | ||
|
|
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| ModplugInstance::ModplugInstance(Modplug *aParent) | ||
| { | ||
| mParent = aParent; | ||
| ModPlugFile* mpf = ModPlug_Load((const void*)mParent->mData, mParent->mDataLen); | ||
| mModplugfile = (void*)mpf; | ||
| mPlaying = mpf != NULL; | ||
| } | ||
|
|
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| void ModplugInstance::getAudio(float *aBuffer, int aSamples) | ||
| { | ||
| if (mModplugfile == NULL) | ||
| return; | ||
| int buf[1024]; | ||
| int s = aSamples; | ||
| int outofs = 0; | ||
|
|
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| while (s && mPlaying) | ||
| { | ||
| int samples = 512; | ||
| if (s < samples) s = samples; | ||
| int res = ModPlug_Read((ModPlugFile *)mModplugfile, (void*)&buf[0], sizeof(int) * 2 * samples); | ||
| int samples_in_buffer = res / (sizeof(int) * 2); | ||
| if (s != samples_in_buffer) mPlaying = 0; | ||
|
|
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| int i; | ||
| for (i = 0; i < samples_in_buffer; i++) | ||
| { | ||
| aBuffer[outofs] = buf[i*2+0] / (float)0x7fffffff; | ||
| aBuffer[outofs + aSamples] = buf[i*2+1] / (float)0x7fffffff; | ||
| outofs++; | ||
| } | ||
| s -= samples_in_buffer; | ||
| } | ||
|
|
||
| if (outofs < aSamples) | ||
| { | ||
| // TODO: handle looping | ||
| int i; | ||
| for (i = outofs; i < aSamples; i++) | ||
| aBuffer[i] = aBuffer[i + aSamples] = 0; | ||
| } | ||
|
|
||
| } | ||
|
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| int ModplugInstance::hasEnded() | ||
| { | ||
| return !mPlaying; | ||
| } | ||
|
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| ModplugInstance::~ModplugInstance() | ||
| { | ||
| if (mModplugfile) | ||
| { | ||
| ModPlug_Unload((ModPlugFile*)mModplugfile); | ||
| } | ||
| mModplugfile = 0; | ||
| } | ||
|
|
||
| int Modplug::load(const char* aFilename) | ||
| { | ||
| FILE * f = fopen(aFilename, "rb"); | ||
| if (!f) | ||
| { | ||
| return -1; | ||
| } | ||
|
|
||
| if (mData) | ||
| { | ||
| delete[] mData; | ||
| } | ||
|
|
||
| fseek(f, 0, SEEK_END); | ||
| mDataLen = ftell(f); | ||
| fseek(f, 0, SEEK_SET); | ||
| mData = new char[mDataLen]; | ||
| if (!mData) | ||
| { | ||
| mData = 0; | ||
| mDataLen = 0; | ||
| fclose(f); | ||
| return -2; | ||
| } | ||
| fread(mData,1,mDataLen,f); | ||
| fclose(f); | ||
|
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| ModPlugFile* mpf = ModPlug_Load((const void*)mData, mDataLen); | ||
| if (!mpf) | ||
| { | ||
| delete[] mData; | ||
| mDataLen = 0; | ||
| return -3; | ||
| } | ||
| ModPlug_Unload(mpf); | ||
| return 0; | ||
| } | ||
|
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||
| Modplug::Modplug() | ||
| { | ||
| mBaseSamplerate = 44100; | ||
| mChannels = 2; | ||
| mData = 0; | ||
| mDataLen = 0; | ||
|
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| ModPlug_Settings mps; | ||
| ModPlug_GetSettings(&mps); | ||
| mps.mChannels = 2; | ||
| mps.mBits = 32; | ||
| mps.mFrequency = 44100; | ||
| mps.mResamplingMode = MODPLUG_RESAMPLE_LINEAR; | ||
| mps.mStereoSeparation = 128; | ||
| mps.mMaxMixChannels = 64; | ||
| mps.mLoopCount = 0; | ||
| mps.mFlags = MODPLUG_ENABLE_OVERSAMPLING; | ||
| ModPlug_SetSettings(&mps); | ||
| } | ||
|
|
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| Modplug::~Modplug() | ||
| { | ||
| delete[] mData; | ||
| mData = 0; | ||
| mDataLen = 0; | ||
| } | ||
|
|
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| AudioSourceInstance * Modplug::createInstance() | ||
| { | ||
| return new ModplugInstance(this); | ||
| } | ||
|
|
||
| }; |
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