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Drop unused audio code

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This commit is contained in:
Tony Wasserka 2024-09-29 20:27:29 +02:00
parent d66316c917
commit 0f284da7b5
2 changed files with 0 additions and 103 deletions
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101
source/gui-sdl/main.cpp
View file

@ -53,13 +53,6 @@ std::mutex g_vulkan_queue_mutex; // TODO: Turn into a proper interface
namespace bpo = boost::program_options;
static std::vector<std::pair<int16_t, int16_t>> g_samples;
static std::mutex g_sample_mutex;
void TeakraAudioCallback(std::array<int16_t, 2> samples) {
std::unique_lock lock(g_sample_mutex);
// g_samples.push_back(std::pair{samples[0], samples[1]});
}
static volatile int wait_debugger = 0;
namespace Settings {
@ -347,102 +340,8 @@ if (bootstrap_nand) // Experimental system bootstrapper
frontend_logger->critical("Failed to initialize SDL: {}", SDL_GetError());
return 1;
}
#ifdef TRACY_ENABLE
// SDL's "SDLAudioP2" thread creates unintelligible back traces in profiles for some reason
#define DISABLE_AUDIO
#error "TEST"
#endif
#define DISABLE_AUDIO // TODO: Drop.
#ifndef DISABLE_AUDIO
if (SDL_Init(SDL_INIT_AUDIO) != 0) {
frontend_logger->critical("Failed s to initialize SDL: {}", SDL_GetError());
return 1;
}
#endif
//exit(1);
g_samples.reserve(32768);
auto audio_frontend = std::make_unique<SDLAudioFrontend>();
#ifndef DISABLE_AUDIO
static std::ofstream ofs("samples.raw", std::ios_base::binary);
static std::ofstream ofs2("samples2.raw", std::ios_base::binary);
static std::vector<uint16_t> data;
static std::vector<uint16_t> data2;
SDL_AudioCallback abc = [](void*, uint8_t* stream, int num_bytes) {
static uint32_t index = 0;
std::unique_lock lock(g_sample_mutex);
if (g_samples.empty()) {
g_samples.push_back(std::pair<int16_t, int16_t>(0, 0));
}
// TODO: Also handle the emulator running too fast!
auto num_ready_samples = std::min<uint32_t>(g_samples.size(), num_bytes / 4);
//fprintf(stderr, "Copying %d/%d samples\n", num_ready_samples, num_bytes / 4);
if (num_ready_samples > 1) {
g_samples.erase(g_samples.begin());
--num_ready_samples;
}
for (uint32_t sample = 0; sample < num_bytes / 4; ++sample) {
auto& data = g_samples[sample * num_ready_samples / (num_bytes / 4)];
memcpy(stream + sample * 4, &data, sizeof(data));
index++;
}
// for (uint32_t sample = 0; sample < num_ready_samples; ++sample) {
// auto& data = g_samples[sample];
// ofs.write((char*)&data, sizeof(data) / 2);
// static int index =0;
// index++;
// if ((index % 1000) == 0) {
// ofs.flush();
// }
// }
// Always leave at least 1 sample for interpolation
g_samples.erase(g_samples.begin(), g_samples.begin() + (num_ready_samples - 1));
// for (uint32_t sample = 0; sample < (unsigned)num_bytes / 4; ++sample) {
// int16_t data = sinf(440.f * 6.28 * index / 32728.f/* 44100.f*/) * 16384.f * (0.1f + (1.0 + sinf(index / 100000.f)) / 2);
// memcpy(stream + sample * 4, &data, sizeof(data));
// data = sinf(440.f * 6.28 * index / 32728.f/* 44100.f*/) * 16384.f * (1.1f - (1.0 + sinf(index / 100000.f)) / 2);
// memcpy(stream + sample * 4 + sizeof(data), &data, sizeof(data));
// ++index;
// }
};
SDL_AudioSpec desired_audio_spec {
.freq = 32728,
.format = AUDIO_S16LSB,
.channels = 2,
.silence = 0, // filled by SDL
.samples = 4096, // TODO?
.padding = 0,
.size = 0, // filled by SDL
// NOTE: Consider using SDL_QueueAudio as an alternative
.callback = abc,
.userdata = nullptr
} ;
SDL_AudioSpec audio_spec;
// SDL_AUDIO_DRIVER_DISK
//SDL_AUDIO_DRIVER_DISK;
fmt::print(stderr, "Opening SDL audio device\n");
auto device_id = SDL_OpenAudioDevice(nullptr, false, &desired_audio_spec, &audio_spec, 0 /* no allowed changes; let SDL auto-convert */);
if (device_id == 0) {
throw std::runtime_error("Failed to open SDL audio device");
}
fmt::print(stderr, "Opened SDL audio device with {} samples\n", audio_spec.freq);
// exit(1);
// TODO: Setup audio callback
SDL_PauseAudioDevice(device_id, false);
#endif
// TODO: For some reason, SDL picks RGB565 as the surface format for us... these hints don't help, either :(
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);

2
source/memory.cpp
View file

@ -25,8 +25,6 @@
#include <fstream>
#include <optional>
void TeakraAudioCallback(std::array<int16_t, 2> samples);
Teakra::Teakra* g_teakra = nullptr; // TODO: Remove
Memory::PhysicalMemory* g_mem = nullptr; // TODO: Remove
bool g_dsp_running = false; // TODO: Remove