99 lines
4.0 KiB
C++
99 lines
4.0 KiB
C++
#ifndef CORE_LIBS_PRX_LIBSCEAUDIOOUT_SRC_AUDIOOUT2INTERNAL_HPP
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#define CORE_LIBS_PRX_LIBSCEAUDIOOUT_SRC_AUDIOOUT2INTERNAL_HPP
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#include <chrono>
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#include <cstddef>
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#include <cstdint>
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#include <cstdio>
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#include <mutex>
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#include <vector>
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#include "SDL.h"
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#include "SceTypes.hpp"
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#include "AudioOut2PadMix.hpp"
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// Shared by the AudioOut2 context and port files.
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//
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// APS5_TRACE_AUDIOOUT2=1 prints the title's use of the API to stderr: context and port parameters, every
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// attribute the title sets (first few per port, then sampled), the first pushes and queue polls, and a
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// once-per-second summary with the push rate and the SDL queue level.
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bool AudioOut2TraceEnabled();
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// Seconds since the first AudioOut2 call, for the trace.
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double AudioOut2TraceSeconds();
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#define AUDIOOUT2_TRACE(...) \
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do { \
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if (AudioOut2TraceEnabled()) std::fprintf(stderr, "[audioout2] " __VA_ARGS__); \
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} while (0)
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static constexpr int SCE_AUDIO_OUT2_ERROR_INVALID_ARGUMENT = static_cast<int>(0x80260502);
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static constexpr int SCE_AUDIO_OUT2_ERROR_INVALID_HANDLE = static_cast<int>(0x80260503);
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// Not recovered from a title or SDK header: follows the 0x802605xx pattern of the codes above. Returned
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// by a non-blocking push when the modelled hardware queue is full.
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static constexpr int SCE_AUDIO_OUT2_ERROR_QUEUE_FULL = static_cast<int>(0x80260507);
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static constexpr std::uint32_t AUDIO_OUT2_SAMPLE_RATE = 48000;
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// The grain a push carries, in samples per channel: a context's num_grains (Demon's Souls: 256, 5.33 ms).
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static constexpr std::uint32_t AUDIO_OUT2_DEFAULT_GRAIN = 256;
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static constexpr std::uint32_t AUDIO_OUT2_OUTPUT_CHANNELS = 2;
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static constexpr std::uint32_t AUDIO_OUT2_PORT_CHANNELS_MAX = 8;
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struct AudioOut2Context;
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struct AudioOut2Port {
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bool used = false;
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AudioOut2Context* context = nullptr;
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std::uint16_t type = 0;
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std::uint32_t dataFormat = 0;
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std::uint32_t samplingFreq = 0;
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std::uint32_t flags = 0;
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std::uint32_t channels = 0;
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bool int16 = false;
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const void* data = nullptr;
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float volume[AUDIO_OUT2_PORT_CHANNELS_MAX] = {1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f};
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std::uint64_t dataSets = 0;
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std::uint64_t attributeTraces = 0;
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};
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struct AudioOut2Context {
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std::mutex lock;
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std::uint32_t grain = AUDIO_OUT2_DEFAULT_GRAIN;
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std::uint32_t queueDepth = 1;
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// Fallback hardware queue model for a context without an SDL device: pushes that have not
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// finished playing, and the time the last of them finishes; playback is real time, so the queue
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// drains as the wall clock advances. With a device the SDL queue is the hardware queue.
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std::uint32_t queued = 0;
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std::chrono::steady_clock::time_point playHead;
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SDL_AudioDeviceID device = 0;
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// Stereo float mix of the ports for one push.
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std::vector<float> mix;
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SDL_AudioDeviceID padDevice = 0;
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std::chrono::steady_clock::time_point nextPadProbe;
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AudioOut2PadLayout padLayout;
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std::vector<float> padMix;
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std::vector<float> padFrames;
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// Trace counters.
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std::uint64_t pushes = 0;
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std::uint64_t blockingPushes = 0;
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std::uint64_t fullRejects = 0;
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std::uint64_t advances = 0;
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std::uint64_t queueLevelPolls = 0;
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std::uint64_t primes = 0;
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std::uint64_t dropped = 0;
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std::uint64_t summaryPushes = 0;
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std::uint64_t summaryAdvances = 0;
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std::uint64_t summaryPolls = 0;
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// Largest sample magnitude of the grains mixed since the last summary: the mixed signal's level.
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float summaryPeak = 0.0f;
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std::chrono::steady_clock::time_point summaryStart;
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};
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// Mixes every port of the context that carries PCM data into out (stereo float, frames frames), summing
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// onto the zeroed buffer. Returns the number of ports mixed.
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std::uint32_t AudioOut2MixPorts(const AudioOut2Context& context, float* out, float* padOut, std::uint32_t frames);
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bool AudioOut2HasPadPorts(const AudioOut2Context& context);
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// Forgets the ports of a context being destroyed.
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void AudioOut2ReleasePorts(const AudioOut2Context& context);
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#endif
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