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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <span>
#include <string>
#include "audio_core/renderer/command/icommand.h"
#include "common/common_types.h"
namespace AudioCore::AudioRenderer {
namespace ADSP {
class CommandListProcessor;
}
/**
* AudioRenderer command for mixing an input mix buffer to an output mix buffer, with a volume
* applied to the input, and volume ramping to smooth out the transition.
*/
struct MixRampCommand : ICommand {
/**
* Print this command's information to a string.
*
* @param processor - The CommandListProcessor processing this command.
* @param string - The string to print into.
*/
void Dump(const ADSP::CommandListProcessor& processor, std::string& string) override;
/**
* Process this command.
*
* @param processor - The CommandListProcessor processing this command.
*/
void Process(const ADSP::CommandListProcessor& processor) override;
/**
* Verify this command's data is valid.
*
* @param processor - The CommandListProcessor processing this command.
* @return True if the command is valid, otherwise false.
*/
bool Verify(const ADSP::CommandListProcessor& processor) override;
/// Fixed point precision
u8 precision;
/// Input mix buffer index
s16 input_index;
/// Output mix buffer index
s16 output_index;
/// Previous mix volume
f32 prev_volume;
/// Current mix volume
f32 volume;
/// Pointer to the previous sample buffer, used for depopping
CpuAddr previous_sample;
};
/**
* Mix input mix buffer into output mix buffer, with volume applied to the input.
* @tparam Q - Number of bits for fixed point operations.
* @param output - Output mix buffer.
* @param input - Input mix buffer.
* @param volume_ - Volume applied to the input.
* @param ramp_ - Ramp applied to volume every sample.
* @param sample_count - Number of samples to process.
* @return The final gained input sample, used for depopping.
*/
template <size_t Q>
s32 ApplyMixRamp(std::span<s32> output, std::span<const s32> input, f32 volume_, f32 ramp_,
u32 sample_count);
} // namespace AudioCore::AudioRenderer
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