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Documentation for module: Audio

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Former-commit-id: 4546f9db5579c219d708f87b7062104d24ec6da2
This commit is contained in:
Gawaboumga
2016-05-30 13:36:52 +02:00
parent 3e4051d82c
commit 406bebe717
23 changed files with 1110 additions and 56 deletions
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16
include/Nazara/Audio/Algorithm.inl
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@@ -7,11 +7,21 @@
namespace Nz
{
/*!
* \ingroup audio
* \brief Mixes channels in mono
*
* \param input Input buffer with multiples channels
* \param output Output butter for mono
* \param channelCount Number of channels
* \param frameCount Number of frames
*
* \remark The input buffer may be the same as the output one
*/
template<typename T>
void MixToMono(T* input, T* output, unsigned int channelCount, unsigned int frameCount)
{
///DOC: Le buffer d'entrée peut être le même que le buffer de sortie
// Pour éviter l'overflow, on utilise comme accumulateur un type assez grand, (u)int 64 bits pour les entiers, double pour les flottants
// To avoid overflow, we use, as an accumulator, a type which is large enough: (u)int 64 bits for integers, double for floatings
typedef typename std::conditional<std::is_unsigned<T>::value, UInt64, Int64>::type BiggestInt;
typedef typename std::conditional<std::is_integral<T>::value, BiggestInt, double>::type Biggest;
@@ -19,7 +29,7 @@ namespace Nz
{
Biggest acc = Biggest(0);
for (unsigned int j = 0; j < channelCount; ++j)
acc += input[i*channelCount + j];
acc += input[i * channelCount + j];
output[i] = static_cast<T>(acc / channelCount);
}