mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-19 20:25:51 +01:00
394 lines
8.5 KiB
C++
394 lines
8.5 KiB
C++
#include "../Winamp/OUT.H"
|
|
#include "api.h"
|
|
#include "resource.h"
|
|
#include <Mmdeviceapi.h>
|
|
#include <Audioclient.h>
|
|
#include <Audiosessiontypes.h>
|
|
#include "../winamp/wa_ipc.h"
|
|
#include <api/service/waServiceFactory.h>
|
|
#include <strsafe.h>
|
|
|
|
#define WASAPI_PLUGIN_VERSION L"0.3"
|
|
|
|
constexpr auto VolumeLevelMultiplier = 255;
|
|
static wchar_t plugin_name[256];
|
|
|
|
// wasabi based services for localisation support
|
|
api_service *WASABI_API_SVC = 0;
|
|
api_language *WASABI_API_LNG = 0;
|
|
HINSTANCE WASABI_API_LNG_HINST = 0, WASABI_API_ORIG_HINST = 0;
|
|
|
|
static const UINT32 REFTIMES_PER_SEC = 10000000;
|
|
static const UINT32 REFTIMES_PER_MILLISEC = 10000;
|
|
|
|
// TODO(benski) is there some library that has this
|
|
static const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
|
|
static const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
|
|
static const IID IID_IAudioClient = __uuidof(IAudioClient);
|
|
static const IID IID_IAudioRenderClient = __uuidof(IAudioRenderClient);
|
|
static const IID IID_IAudioClock = __uuidof(IAudioClock);
|
|
|
|
static bool InitializedCOM;
|
|
extern Out_Module plugin;
|
|
|
|
static IAudioClient *client=0;
|
|
static IAudioRenderClient *render_client=0;
|
|
static IAudioClock *clock=0;
|
|
static ISimpleAudioVolume *audio_volume = 0;
|
|
static IChannelAudioVolume *channel_volume = 0;
|
|
|
|
static UINT32 bufferFrameCount;
|
|
static WORD bytes_per_frame;
|
|
static UINT64 frequency=0;
|
|
static UINT32 sample_rate;
|
|
static double start_time_ms = 0;
|
|
static bool paused=false;
|
|
static float start_volume = 1.0;
|
|
static float start_pan = 0;
|
|
WAVEFORMATEXTENSIBLE WaveFormatForParameters(int samplerate, int numchannels, int bitspersamp);
|
|
static void SetVolume(int volume);
|
|
static void SetPan(int pan);
|
|
static CRITICAL_SECTION ThreadSync;
|
|
|
|
|
|
static void Config(HWND hwndParent)
|
|
{
|
|
}
|
|
|
|
static int DoAboutMessageBox(HWND parent, wchar_t* title, wchar_t* message)
|
|
{
|
|
MSGBOXPARAMSW msgbx = {sizeof(MSGBOXPARAMSW),0};
|
|
msgbx.lpszText = message;
|
|
msgbx.lpszCaption = title;
|
|
msgbx.lpszIcon = MAKEINTRESOURCEW(102);
|
|
msgbx.hInstance = GetModuleHandle(0);
|
|
msgbx.dwStyle = MB_USERICON;
|
|
msgbx.hwndOwner = parent;
|
|
return MessageBoxIndirectW(&msgbx);
|
|
}
|
|
|
|
static void About(HWND hwndParent)
|
|
{
|
|
wchar_t message[1024], text[1024] =L"";
|
|
WASABI_API_LNGSTRINGW_BUF(IDS_NULLSOFT_WASAPI_OLD,text,1024);
|
|
StringCchPrintfW(message, 1024, WASABI_API_LNGSTRINGW(IDS_ABOUT_TEXT),
|
|
plugin.description, TEXT(__DATE__));
|
|
DoAboutMessageBox(hwndParent,text,message);
|
|
}
|
|
|
|
static void Init()
|
|
{
|
|
|
|
/*
|
|
HRESULT hr;
|
|
hr=CoInitializeEx(0, COINIT_MULTITHREADED);
|
|
if (SUCCEEDED(hr)) {
|
|
InitializedCOM = true;
|
|
} else {
|
|
InitializedCOM = false;
|
|
}
|
|
*/
|
|
// loader so that we can get the localisation service api for use
|
|
WASABI_API_SVC = (api_service*)SendMessage(plugin.hMainWindow, WM_WA_IPC, 0, IPC_GET_API_SERVICE);
|
|
if (WASABI_API_SVC == (api_service*)1) WASABI_API_SVC = NULL;
|
|
|
|
waServiceFactory *sf = WASABI_API_SVC->service_getServiceByGuid(languageApiGUID);
|
|
if (sf) WASABI_API_LNG = reinterpret_cast<api_language*>(sf->getInterface());
|
|
|
|
// need to have this initialised before we try to do anything with localisation features
|
|
WASABI_API_START_LANG(plugin.hDllInstance,OutWasapiLangGUID);
|
|
|
|
StringCbPrintfW(plugin_name,sizeof(plugin_name),WASABI_API_LNGSTRINGW(IDS_NULLSOFT_WASAPI), WASAPI_PLUGIN_VERSION);
|
|
plugin.description = (char *)plugin_name;
|
|
}
|
|
|
|
static void Quit()
|
|
{
|
|
/*
|
|
if (InitializedCOM) {
|
|
CoUninitialize();
|
|
}*/
|
|
}
|
|
|
|
static int Open(int samplerate, int numchannels, int bitspersamp, int bufferlenms, int prebufferms)
|
|
{
|
|
|
|
CoInitialize(0);
|
|
IMMDeviceEnumerator *enumerator=0;
|
|
IMMDevice *device=0;
|
|
sample_rate = samplerate;
|
|
HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&enumerator);
|
|
hr = enumerator->GetDefaultAudioEndpoint(eRender, eMultimedia, &device);
|
|
|
|
hr = device->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void **)&client);
|
|
if (FAILED(hr)) {
|
|
wchar_t temp[1234];
|
|
wsprintf(temp, L"device->Activate: %x", hr);
|
|
::MessageBox(NULL, temp, L"error", MB_OK);
|
|
return -1;
|
|
}
|
|
|
|
WAVEFORMATEXTENSIBLE wave_format = WaveFormatForParameters(samplerate, numchannels, bitspersamp);
|
|
bytes_per_frame = wave_format.Format.nBlockAlign;
|
|
|
|
hr = client->Initialize(
|
|
AUDCLNT_SHAREMODE_SHARED,
|
|
0x80000000,
|
|
1 * REFTIMES_PER_SEC,
|
|
0,
|
|
(WAVEFORMATEX *)&wave_format,
|
|
NULL);
|
|
if (FAILED(hr)) {
|
|
wchar_t temp[1234];
|
|
wsprintf(temp, L"client->Initialize: %x", hr);
|
|
::MessageBox(NULL, temp, L"error", MB_OK);
|
|
return -1;
|
|
}
|
|
|
|
// Get the actual size of the allocated buffer.
|
|
hr = client->GetBufferSize(&bufferFrameCount);
|
|
if (FAILED(hr)) {
|
|
wchar_t temp[1234];
|
|
wsprintf(temp, L"client->GetBufferSize: %x", hr);
|
|
::MessageBox(NULL, temp, L"error", MB_OK);
|
|
return -1;
|
|
}
|
|
hr = client->GetService(
|
|
IID_IAudioRenderClient,
|
|
(void**)&render_client);
|
|
if (FAILED(hr)) {
|
|
wchar_t temp[1234];
|
|
wsprintf(temp, L"client->GetService(IID_IAudioRenderClient): %x", hr);
|
|
::MessageBox(NULL, temp, L"error", MB_OK);
|
|
return -1;
|
|
}
|
|
hr = client->GetService(
|
|
IID_IAudioClock,
|
|
(void**)&clock);
|
|
if (FAILED(hr)) {
|
|
wchar_t temp[1234];
|
|
wsprintf(temp, L"client->GetService(IID_IAudioClock): %x", hr);
|
|
::MessageBox(NULL, temp, L"error", MB_OK);
|
|
return -1;
|
|
}
|
|
hr = clock->GetFrequency(&frequency);
|
|
|
|
hr = client->GetService(__uuidof(ISimpleAudioVolume), reinterpret_cast<void **>( & audio_volume));
|
|
|
|
hr = client->GetService(__uuidof(IChannelAudioVolume), (void **)&channel_volume);
|
|
|
|
start_time_ms = 0;
|
|
paused=false;
|
|
client->Start();
|
|
|
|
// Start volume is in range 0.0 to 1.0, should be converted
|
|
SetVolume((int)(start_volume * VolumeLevelMultiplier));
|
|
|
|
SetPan((int)start_pan);
|
|
|
|
return 1000;
|
|
}
|
|
|
|
static void Close()
|
|
{
|
|
|
|
if (client) {
|
|
client->Stop();
|
|
client->Release();
|
|
client=0;
|
|
}
|
|
|
|
if (render_client) {
|
|
render_client->Release();
|
|
render_client=0;
|
|
}
|
|
|
|
if (clock) {
|
|
clock->Release();
|
|
clock=0;
|
|
}
|
|
|
|
if (audio_volume) {
|
|
audio_volume->Release();
|
|
audio_volume=0;
|
|
}
|
|
|
|
if (channel_volume) {
|
|
channel_volume->Release();
|
|
channel_volume=0;
|
|
}
|
|
|
|
}
|
|
|
|
static int CanWrite()
|
|
{
|
|
|
|
if (client) {
|
|
UINT32 numFramesPadding;
|
|
HRESULT hr = client->GetCurrentPadding(&numFramesPadding);
|
|
return (bufferFrameCount - numFramesPadding) * bytes_per_frame;
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int Write(char* buf, int len)
|
|
{
|
|
|
|
if (!render_client)
|
|
{
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
int LenghtToWrite = CanWrite();
|
|
if (LenghtToWrite > 0 && LenghtToWrite >= len)
|
|
{
|
|
BYTE* data;
|
|
render_client->GetBuffer(len / bytes_per_frame, &data);
|
|
memcpy(data, buf, len);
|
|
render_client->ReleaseBuffer(len / bytes_per_frame, 0);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int IsPlaying()
|
|
{
|
|
return CanWrite() == 0;
|
|
}
|
|
|
|
static int Pause(int pause)
|
|
{
|
|
|
|
|
|
int old_paused = paused?1:0;
|
|
if (client) {
|
|
if (pause) {
|
|
client->Stop();
|
|
paused=true;
|
|
} else {
|
|
client->Start();
|
|
paused=false;
|
|
}
|
|
}
|
|
|
|
return old_paused;
|
|
}
|
|
|
|
static void SetVolume(int volume)
|
|
{
|
|
|
|
|
|
float fVolume = (float)volume / (float)VolumeLevelMultiplier;
|
|
if (volume >= 0) {
|
|
start_volume = fVolume;
|
|
if (audio_volume) {
|
|
audio_volume->SetMasterVolume(fVolume, 0);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
static void SetPan(int pan)
|
|
{
|
|
|
|
|
|
float fPan = (float)pan/128.0f;
|
|
if (channel_volume) {
|
|
start_pan = fPan;
|
|
if (fPan < 0) {
|
|
channel_volume->SetChannelVolume(0, 1.0f, NULL);
|
|
channel_volume->SetChannelVolume(1, 1.0f-fPan, NULL);
|
|
} else if (fPan > 0) {
|
|
channel_volume->SetChannelVolume(1, 1.0f, NULL);
|
|
channel_volume->SetChannelVolume(0, 1.0f-fPan, NULL);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
static void Flush(int t)
|
|
{
|
|
|
|
|
|
if (client) {
|
|
client->Stop();
|
|
client->Reset();
|
|
start_time_ms = t;
|
|
client->Start();
|
|
}
|
|
|
|
}
|
|
|
|
static double GetOutputTimeAsDouble()
|
|
{
|
|
|
|
|
|
if (clock) {
|
|
UINT64 position;
|
|
HRESULT hr = clock->GetPosition(&position, NULL);
|
|
double output_time = (double)position * 1000.0 / (double)frequency;
|
|
|
|
return output_time + start_time_ms;
|
|
} else {
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int GetOutputTime()
|
|
{
|
|
return (int)GetOutputTimeAsDouble();
|
|
}
|
|
|
|
static int GetWrittenTime()
|
|
{
|
|
double time_in_buffer = (1000.0 * (double)CanWrite()) / ((double)bytes_per_frame * (double)sample_rate);
|
|
return (int)(GetOutputTimeAsDouble() + time_in_buffer);
|
|
}
|
|
|
|
Out_Module plugin = {
|
|
OUT_VER_U,
|
|
0,
|
|
70,
|
|
NULL,
|
|
NULL,
|
|
Config,
|
|
About,
|
|
Init,
|
|
Quit,
|
|
Open,
|
|
Close,
|
|
Write,
|
|
CanWrite,
|
|
IsPlaying,
|
|
Pause,
|
|
SetVolume,
|
|
SetPan,
|
|
Flush,
|
|
GetOutputTime,
|
|
GetWrittenTime,
|
|
};
|
|
|
|
|
|
extern "C" {
|
|
|
|
__declspec(dllexport) int __cdecl winampUninstallPlugin(HINSTANCE hDllInst, HWND hwndDlg, int param)
|
|
{
|
|
return OUT_PLUGIN_UNINSTALL_REBOOT;
|
|
}
|
|
|
|
__declspec(dllexport) Out_Module * __cdecl winampGetOutModule(){ return &plugin; }
|
|
|
|
__declspec(dllexport) void __cdecl winampGetOutModeChange(int mode)
|
|
{
|
|
}
|
|
|
|
}
|