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audio_core: Remove global state

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This commit is contained in:
MerryMage 2017-12-20 18:44:32 +00:00
parent dca5fd291f
commit ab3d53131a
34 changed files with 711 additions and 650 deletions
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11
src/audio_core/interpolate.cpp
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@ -6,6 +6,7 @@
#include "common/assert.h"
#include "common/math_util.h"
namespace AudioCore {
namespace AudioInterp {
// Calculations are done in fixed point with 24 fractional bits.
@ -16,8 +17,8 @@ constexpr u64 scale_mask = scale_factor - 1;
/// Here we step over the input in steps of rate, until we consume all of the input.
/// Three adjacent samples are passed to fn each step.
template <typename Function>
static void StepOverSamples(State& state, StereoBuffer16& input, float rate,
DSP::HLE::StereoFrame16& output, size_t& outputi, Function fn) {
static void StepOverSamples(State& state, StereoBuffer16& input, float rate, StereoFrame16& output,
size_t& outputi, Function fn) {
ASSERT(rate > 0);
if (input.empty())
@ -50,14 +51,13 @@ static void StepOverSamples(State& state, StereoBuffer16& input, float rate,
input.erase(input.begin(), std::next(input.begin(), inputi + 2));
}
void None(State& state, StereoBuffer16& input, float rate, DSP::HLE::StereoFrame16& output,
size_t& outputi) {
void None(State& state, StereoBuffer16& input, float rate, StereoFrame16& output, size_t& outputi) {
StepOverSamples(
state, input, rate, output, outputi,
[](u64 fraction, const auto& x0, const auto& x1, const auto& x2) { return x0; });
}
void Linear(State& state, StereoBuffer16& input, float rate, DSP::HLE::StereoFrame16& output,
void Linear(State& state, StereoBuffer16& input, float rate, StereoFrame16& output,
size_t& outputi) {
// Note on accuracy: Some values that this produces are +/- 1 from the actual firmware.
StepOverSamples(state, input, rate, output, outputi,
@ -74,3 +74,4 @@ void Linear(State& state, StereoBuffer16& input, float rate, DSP::HLE::StereoFra
}
} // namespace AudioInterp
} // namespace AudioCore