Re-implement dummy backend on 24-08-24

This commit is contained in:
Hazel 2024-08-28 11:33:31 -04:00
parent caa9e02285
commit 06ba2a950f
6 changed files with 156 additions and 1 deletions

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@ -472,6 +472,7 @@ set(SOURCE_FILES ${SOURCE_FILES}
hooks/audio/backends/wasapi/util.cpp hooks/audio/backends/wasapi/util.cpp
hooks/audio/implementations/asio.cpp hooks/audio/implementations/asio.cpp
hooks/audio/implementations/wave_out.cpp hooks/audio/implementations/wave_out.cpp
hooks/audio/implementations/none.cpp
hooks/avshook.cpp hooks/avshook.cpp
hooks/cfgmgr32hook.cpp hooks/cfgmgr32hook.cpp
hooks/debughook.cpp hooks/debughook.cpp

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@ -13,6 +13,7 @@ namespace hooks::audio {
enum class Backend { enum class Backend {
Asio, Asio,
WaveOut, WaveOut,
None,
}; };
extern bool ENABLED; extern bool ENABLED;
@ -32,6 +33,8 @@ namespace hooks::audio {
return Backend::Asio; return Backend::Asio;
} else if (_stricmp(value, "waveout") == 0) { } else if (_stricmp(value, "waveout") == 0) {
return Backend::WaveOut; return Backend::WaveOut;
} else if (_stricmp(value, "none") == 0) {
return Backend::None;
} }
return std::nullopt; return std::nullopt;

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@ -9,6 +9,7 @@
#include "hooks/audio/backends/wasapi/util.h" #include "hooks/audio/backends/wasapi/util.h"
#include "hooks/audio/implementations/asio.h" #include "hooks/audio/implementations/asio.h"
#include "hooks/audio/implementations/wave_out.h" #include "hooks/audio/implementations/wave_out.h"
#include "hooks/audio/implementations/none.h"
//#include "util/co_task_mem_ptr.h" //#include "util/co_task_mem_ptr.h"
#include "defs.h" #include "defs.h"
@ -160,6 +161,9 @@ IAudioClient *wrap_audio_client(IAudioClient *audio_client) {
case hooks::audio::Backend::WaveOut: case hooks::audio::Backend::WaveOut:
backend = new WaveOutBackend(); backend = new WaveOutBackend();
break; break;
case hooks::audio::Backend::None:
backend = new NoneBackend();
break;
default: default:
break; break;
} }

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@ -0,0 +1,99 @@
#include "none.h"
#include "hooks/audio/audio.h"
#include "hooks/audio/backends/wasapi/audio_client.h"
const WAVEFORMATEXTENSIBLE &NoneBackend::format() const noexcept {
return format_;
}
HRESULT NoneBackend::on_initialize(
AUDCLNT_SHAREMODE *ShareMode,
DWORD *StreamFlags,
REFERENCE_TIME *hnsBufferDuration,
REFERENCE_TIME *hnsPeriodicity,
const WAVEFORMATEX *pFormat,
LPCGUID AudioSessionGuid) noexcept
{
*ShareMode = AUDCLNT_SHAREMODE_SHARED;
*StreamFlags = AUDCLNT_STREAMFLAGS_EVENTCALLBACK |
AUDCLNT_STREAMFLAGS_RATEADJUST |
AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM |
AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY;
*hnsBufferDuration = 100000;
*hnsPeriodicity = 100000;
log_info("audio::none", "on_initialize");
return S_OK;
}
HRESULT NoneBackend::on_get_buffer_size(uint32_t *buffer_frames) noexcept {
*buffer_frames = 0;
return S_OK;
}
HRESULT NoneBackend::on_get_stream_latency(REFERENCE_TIME *latency) noexcept {
*latency = 100000;
return S_OK;
}
HRESULT NoneBackend::on_get_current_padding(std::optional<uint32_t> &padding_frames) noexcept {
padding_frames = 0;
return S_OK;
}
HRESULT NoneBackend::on_is_format_supported(
AUDCLNT_SHAREMODE *ShareMode,
const WAVEFORMATEX *pFormat,
WAVEFORMATEX **ppClosestMatch) noexcept
{
// only accept 44.1 kHz, stereo, 16-bits per channel
if (*ShareMode == AUDCLNT_SHAREMODE_EXCLUSIVE &&
pFormat->nChannels == 2 &&
pFormat->nSamplesPerSec == 44100 &&
pFormat->wBitsPerSample == 16)
{
return S_OK;
}
return AUDCLNT_E_UNSUPPORTED_FORMAT;
}
HRESULT NoneBackend::on_get_mix_format(WAVEFORMATEX **pp_device_format) noexcept {
return E_NOTIMPL;
}
HRESULT NoneBackend::on_get_device_period(
REFERENCE_TIME *default_device_period,
REFERENCE_TIME *minimum_device_period)
{
*default_device_period = 10000;
*minimum_device_period = 10000;
return S_OK;
}
HRESULT NoneBackend::on_start() noexcept {
return S_OK;
}
HRESULT NoneBackend::on_stop() noexcept {
return S_OK;
}
HRESULT NoneBackend::on_set_event_handle(HANDLE *event_handle) {
*event_handle = CreateEvent(nullptr, true, false, nullptr);
return S_OK;
}
HRESULT NoneBackend::on_get_buffer(uint32_t num_frames_requested, BYTE **ppData) {
static BYTE buf[10000];
*ppData = buf;
return S_OK;
}
HRESULT NoneBackend::on_release_buffer(uint32_t num_frames_written, DWORD dwFlags) {
return S_OK;
}
NoneBackend::NoneBackend() : format_(hooks::audio::FORMAT)
{
}

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@ -0,0 +1,48 @@
#pragma once
#include "backend.h"
struct NoneBackend final : AudioBackend {
public:
explicit NoneBackend();
~NoneBackend() final = default;
[[nodiscard]] const WAVEFORMATEXTENSIBLE &format() const noexcept override;
HRESULT on_initialize(
AUDCLNT_SHAREMODE *ShareMode,
DWORD *StreamFlags,
REFERENCE_TIME *hnsBufferDuration,
REFERENCE_TIME *hnsPeriodicity,
const WAVEFORMATEX *pFormat,
LPCGUID AudioSessionGuid) noexcept override;
HRESULT on_get_buffer_size(uint32_t *buffer_frames) noexcept override;
HRESULT on_get_stream_latency(REFERENCE_TIME *latency) noexcept override;
HRESULT on_get_current_padding(std::optional<uint32_t> &padding_frames) noexcept override;
HRESULT on_is_format_supported(
AUDCLNT_SHAREMODE *ShareMode,
const WAVEFORMATEX *pFormat,
WAVEFORMATEX **ppClosestMatch) noexcept override;
HRESULT on_get_mix_format(WAVEFORMATEX **pp_device_format) noexcept override;
HRESULT on_get_device_period(
REFERENCE_TIME *default_device_period,
REFERENCE_TIME *minimum_device_period) override;
HRESULT on_start() noexcept override;
HRESULT on_stop() noexcept override;
HRESULT on_set_event_handle(HANDLE *event_handle) override;
HRESULT on_get_buffer(uint32_t num_frames_requested, BYTE **ppData) override;
HRESULT on_release_buffer(uint32_t num_frames_written, DWORD dwFlags) override;
private:
const WAVEFORMATEXTENSIBLE &format_;
BYTE *active_sound_buffer = nullptr;
};

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@ -1341,7 +1341,7 @@ static const std::vector<OptionDefinition> OPTION_DEFINITIONS = {
" Does nothing for games that do not output to exclusive WASAPI", " Does nothing for games that do not output to exclusive WASAPI",
.type = OptionType::Enum, .type = OptionType::Enum,
.category = "Audio", .category = "Audio",
.elements = {{"asio", "ASIO"}, {"waveout", "waveOut"}}, .elements = {{"asio", "ASIO"}, {"waveout", "waveOut"},{"none", "None"}},
}, },
{ {
.title = "Spice Audio Hook ASIO Driver ID", .title = "Spice Audio Hook ASIO Driver ID",