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DSPHLE/Zelda: use MixingBuffer type (NFC)

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Tillmann Karras 2024-01-14 02:21:53 +00:00
parent 69aca2fbfc
commit 4f5e3674e1
2 changed files with 16 additions and 16 deletions
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22
Source/Core/Core/HW/DSPHLE/UCodes/Zelda.cpp
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@ -1233,24 +1233,24 @@ void ZeldaAudioRenderer::AddVoice(u16 voice_id)
struct
{
MixingBuffer* buffer;
MixingBuffer& buffer;
s16 volume;
s16 volume_delta;
} buffers[8] = {
{&m_buf_front_left, quadrant_volumes[0], volume_deltas[0]},
{&m_buf_back_left, quadrant_volumes[1], volume_deltas[1]},
{&m_buf_front_right, quadrant_volumes[2], volume_deltas[2]},
{&m_buf_back_right, quadrant_volumes[3], volume_deltas[3]},
{m_buf_front_left, quadrant_volumes[0], volume_deltas[0]},
{m_buf_back_left, quadrant_volumes[1], volume_deltas[1]},
{m_buf_front_right, quadrant_volumes[2], volume_deltas[2]},
{m_buf_back_right, quadrant_volumes[3], volume_deltas[3]},
{&m_buf_front_left_reverb, reverb_volumes[0], reverb_volume_deltas[0]},
{&m_buf_back_left_reverb, reverb_volumes[1], reverb_volume_deltas[1]},
{&m_buf_front_right_reverb, reverb_volumes[2], reverb_volume_deltas[2]},
{&m_buf_back_right_reverb, reverb_volumes[3], reverb_volume_deltas[3]},
{m_buf_front_left_reverb, reverb_volumes[0], reverb_volume_deltas[0]},
{m_buf_back_left_reverb, reverb_volumes[1], reverb_volume_deltas[1]},
{m_buf_front_right_reverb, reverb_volumes[2], reverb_volume_deltas[2]},
{m_buf_back_right_reverb, reverb_volumes[3], reverb_volume_deltas[3]},
};
for (const auto& buffer : buffers)
{
AddBuffersWithVolumeRamp(buffer.buffer, input_samples, buffer.volume << 16,
(buffer.volume_delta << 16) / (s32)buffer.buffer->size());
(buffer.volume_delta << 16) / (s32)buffer.buffer.size());
}
vpb.dolby_volume_current = vpb.dolby_volume_target;
@ -1303,7 +1303,7 @@ void ZeldaAudioRenderer::AddVoice(u16 voice_id)
continue;
}
s32 new_volume = AddBuffersWithVolumeRamp(dst_buffer, input_samples,
s32 new_volume = AddBuffersWithVolumeRamp(*dst_buffer, input_samples,
vpb.channels[i].current_volume << 16, volume_step);
vpb.channels[i].current_volume = new_volume >> 16;
}

10
Source/Core/Core/HW/DSPHLE/UCodes/Zelda.h
View File

@ -51,6 +51,8 @@ private:
// See Zelda.cpp for the list of possible flags.
u32 m_flags;
typedef std::array<s16, 0x50> MixingBuffer;
// Utility functions for audio operations.
// Apply volume to a buffer. The volume is a fixed point integer, usually
@ -82,16 +84,15 @@ private:
//
// Note: On a real GC, the stepping happens in 32 steps instead. But hey,
// we can do better here with very low risk. Why not? :)
template <size_t N>
s32 AddBuffersWithVolumeRamp(std::array<s16, N>* dst, const std::array<s16, N>& src, s32 vol,
s32 AddBuffersWithVolumeRamp(MixingBuffer& dst, const MixingBuffer& src, s32 vol,
s32 step)
{
if (!vol && !step)
return vol;
for (size_t i = 0; i < N; ++i)
for (size_t i = 0; i < 0x50; ++i)
{
(*dst)[i] += ((vol >> 16) * src[i]) >> 16;
dst[i] += ((vol >> 16) * src[i]) >> 16;
vol += step;
}
@ -120,7 +121,6 @@ private:
u16 m_output_volume = 0;
// Mixing buffers.
typedef std::array<s16, 0x50> MixingBuffer;
MixingBuffer m_buf_front_left{};
MixingBuffer m_buf_front_right{};
MixingBuffer m_buf_back_left{};