mirror of
https://github.com/love2d/love-android.git
synced 2026-08-21 13:09:40 +02:00
added dependencies and build files (loosely inspired by Sebastian Dorda's love-native-android)
This commit is contained in:
Martin Felis
@@ -0,0 +1,610 @@
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/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2007 by authors.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <memory.h>
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#include <dsound.h>
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#include <cguid.h>
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#include <mmreg.h>
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#ifndef _WAVEFORMATEXTENSIBLE_
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#include <ks.h>
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#include <ksmedia.h>
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#endif
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#include "alMain.h"
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#include "AL/al.h"
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#include "AL/alc.h"
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#ifndef DSSPEAKER_5POINT1
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#define DSSPEAKER_5POINT1 6
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#endif
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#ifndef DSSPEAKER_7POINT1
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#define DSSPEAKER_7POINT1 7
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#endif
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DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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static HMODULE ds_handle;
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static HRESULT (WINAPI *pDirectSoundCreate)(LPCGUID pcGuidDevice, IDirectSound **ppDS, IUnknown *pUnkOuter);
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static HRESULT (WINAPI *pDirectSoundEnumerateA)(LPDSENUMCALLBACKA pDSEnumCallback, void *pContext);
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#define DirectSoundCreate pDirectSoundCreate
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#define DirectSoundEnumerateA pDirectSoundEnumerateA
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typedef struct {
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// DirectSound Playback Device
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IDirectSound *lpDS;
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IDirectSoundBuffer *DSpbuffer;
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IDirectSoundBuffer *DSsbuffer;
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IDirectSoundNotify *DSnotify;
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HANDLE hNotifyEvent;
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volatile int killNow;
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ALvoid *thread;
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} DSoundData;
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typedef struct {
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ALCchar *name;
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GUID guid;
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} DevMap;
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static const ALCchar dsDevice[] = "DirectSound Default";
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static DevMap *DeviceList;
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static ALuint NumDevices;
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#define MAX_UPDATES 128
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static ALCboolean DSoundLoad(void)
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{
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ALCboolean ok = ALC_TRUE;
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if(!ds_handle)
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{
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ds_handle = LoadLibraryA("dsound.dll");
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if(ds_handle == NULL)
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{
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ERR("Failed to load dsound.dll\n");
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return ALC_FALSE;
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}
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#define LOAD_FUNC(x) do { \
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if((p##x = (void*)GetProcAddress(ds_handle, #x)) == NULL) { \
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ERR("Could not load %s from dsound.dll\n", #x); \
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ok = ALC_FALSE; \
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} \
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} while(0)
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LOAD_FUNC(DirectSoundCreate);
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LOAD_FUNC(DirectSoundEnumerateA);
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#undef LOAD_FUNC
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if(!ok)
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{
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FreeLibrary(ds_handle);
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ds_handle = NULL;
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}
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}
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return ok;
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}
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static BOOL CALLBACK DSoundEnumDevices(LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data)
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{
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char str[1024];
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void *temp;
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int count;
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ALuint i;
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(void)data;
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(void)drvname;
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if(!guid)
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return TRUE;
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count = 0;
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do {
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if(count == 0)
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snprintf(str, sizeof(str), "%s", desc);
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else
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snprintf(str, sizeof(str), "%s #%d", desc, count+1);
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count++;
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for(i = 0;i < NumDevices;i++)
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{
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if(strcmp(str, DeviceList[i].name) == 0)
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break;
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}
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} while(i != NumDevices);
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temp = realloc(DeviceList, sizeof(DevMap) * (NumDevices+1));
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if(temp)
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{
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DeviceList = temp;
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DeviceList[NumDevices].name = strdup(str);
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DeviceList[NumDevices].guid = *guid;
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NumDevices++;
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}
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return TRUE;
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}
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static ALuint DSoundProc(ALvoid *ptr)
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{
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ALCdevice *pDevice = (ALCdevice*)ptr;
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DSoundData *pData = (DSoundData*)pDevice->ExtraData;
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DSBCAPS DSBCaps;
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DWORD LastCursor = 0;
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DWORD PlayCursor;
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VOID *WritePtr1, *WritePtr2;
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DWORD WriteCnt1, WriteCnt2;
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BOOL Playing = FALSE;
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DWORD FrameSize;
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DWORD FragSize;
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DWORD avail;
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HRESULT err;
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SetRTPriority();
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memset(&DSBCaps, 0, sizeof(DSBCaps));
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DSBCaps.dwSize = sizeof(DSBCaps);
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err = IDirectSoundBuffer_GetCaps(pData->DSsbuffer, &DSBCaps);
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if(FAILED(err))
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{
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ERR("Failed to get buffer caps: 0x%lx\n", err);
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aluHandleDisconnect(pDevice);
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return 1;
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}
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FrameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
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FragSize = pDevice->UpdateSize * FrameSize;
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IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &LastCursor, NULL);
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while(!pData->killNow)
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{
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// Get current play cursor
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IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &PlayCursor, NULL);
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avail = (PlayCursor-LastCursor+DSBCaps.dwBufferBytes) % DSBCaps.dwBufferBytes;
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if(avail < FragSize)
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{
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if(!Playing)
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{
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err = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);
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if(FAILED(err))
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{
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ERR("Failed to play buffer: 0x%lx\n", err);
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aluHandleDisconnect(pDevice);
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return 1;
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}
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Playing = TRUE;
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}
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avail = WaitForSingleObjectEx(pData->hNotifyEvent, 2000, FALSE);
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if(avail != WAIT_OBJECT_0)
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ERR("WaitForSingleObjectEx error: 0x%lx\n", avail);
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continue;
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}
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avail -= avail%FragSize;
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// Lock output buffer
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WriteCnt1 = 0;
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WriteCnt2 = 0;
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err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
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// If the buffer is lost, restore it and lock
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if(err == DSERR_BUFFERLOST)
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{
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WARN("Buffer lost, restoring...\n");
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err = IDirectSoundBuffer_Restore(pData->DSsbuffer);
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if(SUCCEEDED(err))
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{
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Playing = FALSE;
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LastCursor = 0;
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err = IDirectSoundBuffer_Lock(pData->DSsbuffer, 0, DSBCaps.dwBufferBytes, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
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}
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}
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// Successfully locked the output buffer
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if(SUCCEEDED(err))
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{
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// If we have an active context, mix data directly into output buffer otherwise fill with silence
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aluMixData(pDevice, WritePtr1, WriteCnt1/FrameSize);
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aluMixData(pDevice, WritePtr2, WriteCnt2/FrameSize);
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// Unlock output buffer only when successfully locked
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IDirectSoundBuffer_Unlock(pData->DSsbuffer, WritePtr1, WriteCnt1, WritePtr2, WriteCnt2);
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}
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else
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{
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ERR("Buffer lock error: %#lx\n", err);
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aluHandleDisconnect(pDevice);
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return 1;
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}
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// Update old write cursor location
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LastCursor += WriteCnt1+WriteCnt2;
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LastCursor %= DSBCaps.dwBufferBytes;
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}
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return 0;
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}
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static ALCenum DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName)
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{
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DSoundData *pData = NULL;
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LPGUID guid = NULL;
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HRESULT hr;
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if(!deviceName)
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deviceName = dsDevice;
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else if(strcmp(deviceName, dsDevice) != 0)
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{
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ALuint i;
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if(!DeviceList)
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{
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hr = DirectSoundEnumerateA(DSoundEnumDevices, NULL);
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if(FAILED(hr))
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ERR("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
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}
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for(i = 0;i < NumDevices;i++)
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{
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if(strcmp(deviceName, DeviceList[i].name) == 0)
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{
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guid = &DeviceList[i].guid;
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break;
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}
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}
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if(i == NumDevices)
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return ALC_INVALID_VALUE;
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}
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//Initialise requested device
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pData = calloc(1, sizeof(DSoundData));
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if(!pData)
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return ALC_OUT_OF_MEMORY;
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hr = DS_OK;
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pData->hNotifyEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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if(pData->hNotifyEvent == NULL)
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hr = E_FAIL;
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//DirectSound Init code
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if(SUCCEEDED(hr))
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hr = DirectSoundCreate(guid, &pData->lpDS, NULL);
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if(SUCCEEDED(hr))
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hr = IDirectSound_SetCooperativeLevel(pData->lpDS, GetForegroundWindow(), DSSCL_PRIORITY);
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if(FAILED(hr))
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{
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if(pData->lpDS)
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IDirectSound_Release(pData->lpDS);
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if(pData->hNotifyEvent)
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CloseHandle(pData->hNotifyEvent);
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free(pData);
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ERR("Device init failed: 0x%08lx\n", hr);
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return ALC_INVALID_VALUE;
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}
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device->szDeviceName = strdup(deviceName);
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device->ExtraData = pData;
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return ALC_NO_ERROR;
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}
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static void DSoundClosePlayback(ALCdevice *device)
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{
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DSoundData *pData = device->ExtraData;
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IDirectSound_Release(pData->lpDS);
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CloseHandle(pData->hNotifyEvent);
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free(pData);
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device->ExtraData = NULL;
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}
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static ALCboolean DSoundResetPlayback(ALCdevice *device)
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{
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DSoundData *pData = (DSoundData*)device->ExtraData;
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DSBUFFERDESC DSBDescription;
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WAVEFORMATEXTENSIBLE OutputType;
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DWORD speakers;
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HRESULT hr;
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memset(&OutputType, 0, sizeof(OutputType));
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switch(device->FmtType)
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{
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case DevFmtByte:
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device->FmtType = DevFmtUByte;
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break;
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case DevFmtUShort:
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device->FmtType = DevFmtShort;
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break;
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case DevFmtUByte:
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case DevFmtShort:
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case DevFmtFloat:
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break;
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}
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hr = IDirectSound_GetSpeakerConfig(pData->lpDS, &speakers);
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if(SUCCEEDED(hr))
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{
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if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
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{
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speakers = DSSPEAKER_CONFIG(speakers);
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if(speakers == DSSPEAKER_MONO)
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device->FmtChans = DevFmtMono;
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else if(speakers == DSSPEAKER_STEREO || speakers == DSSPEAKER_HEADPHONE)
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device->FmtChans = DevFmtStereo;
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else if(speakers == DSSPEAKER_QUAD)
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device->FmtChans = DevFmtQuad;
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else if(speakers == DSSPEAKER_5POINT1)
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device->FmtChans = DevFmtX51;
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else if(speakers == DSSPEAKER_7POINT1)
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device->FmtChans = DevFmtX71;
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else
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ERR("Unknown system speaker config: 0x%lx\n", speakers);
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}
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|
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switch(device->FmtChans)
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{
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case DevFmtMono:
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OutputType.dwChannelMask = SPEAKER_FRONT_CENTER;
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break;
|
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case DevFmtStereo:
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OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
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SPEAKER_FRONT_RIGHT;
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break;
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case DevFmtQuad:
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OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
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SPEAKER_FRONT_RIGHT |
|
||||
SPEAKER_BACK_LEFT |
|
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SPEAKER_BACK_RIGHT;
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break;
|
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case DevFmtX51:
|
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OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
|
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SPEAKER_FRONT_RIGHT |
|
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SPEAKER_FRONT_CENTER |
|
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SPEAKER_LOW_FREQUENCY |
|
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SPEAKER_BACK_LEFT |
|
||||
SPEAKER_BACK_RIGHT;
|
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break;
|
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case DevFmtX51Side:
|
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OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
|
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SPEAKER_FRONT_RIGHT |
|
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SPEAKER_FRONT_CENTER |
|
||||
SPEAKER_LOW_FREQUENCY |
|
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SPEAKER_SIDE_LEFT |
|
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SPEAKER_SIDE_RIGHT;
|
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break;
|
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case DevFmtX61:
|
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OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
|
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SPEAKER_FRONT_RIGHT |
|
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SPEAKER_FRONT_CENTER |
|
||||
SPEAKER_LOW_FREQUENCY |
|
||||
SPEAKER_BACK_CENTER |
|
||||
SPEAKER_SIDE_LEFT |
|
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SPEAKER_SIDE_RIGHT;
|
||||
break;
|
||||
case DevFmtX71:
|
||||
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
|
||||
SPEAKER_FRONT_RIGHT |
|
||||
SPEAKER_FRONT_CENTER |
|
||||
SPEAKER_LOW_FREQUENCY |
|
||||
SPEAKER_BACK_LEFT |
|
||||
SPEAKER_BACK_RIGHT |
|
||||
SPEAKER_SIDE_LEFT |
|
||||
SPEAKER_SIDE_RIGHT;
|
||||
break;
|
||||
}
|
||||
|
||||
OutputType.Format.wFormatTag = WAVE_FORMAT_PCM;
|
||||
OutputType.Format.nChannels = ChannelsFromDevFmt(device->FmtChans);
|
||||
OutputType.Format.wBitsPerSample = BytesFromDevFmt(device->FmtType) * 8;
|
||||
OutputType.Format.nBlockAlign = OutputType.Format.nChannels*OutputType.Format.wBitsPerSample/8;
|
||||
OutputType.Format.nSamplesPerSec = device->Frequency;
|
||||
OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec*OutputType.Format.nBlockAlign;
|
||||
OutputType.Format.cbSize = 0;
|
||||
}
|
||||
|
||||
if(OutputType.Format.nChannels > 2 || device->FmtType == DevFmtFloat)
|
||||
{
|
||||
OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
|
||||
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
|
||||
OutputType.Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
|
||||
if(device->FmtType == DevFmtFloat)
|
||||
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
|
||||
else
|
||||
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(SUCCEEDED(hr))
|
||||
{
|
||||
memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
|
||||
DSBDescription.dwSize=sizeof(DSBUFFERDESC);
|
||||
DSBDescription.dwFlags=DSBCAPS_PRIMARYBUFFER;
|
||||
hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSpbuffer, NULL);
|
||||
}
|
||||
if(SUCCEEDED(hr))
|
||||
hr = IDirectSoundBuffer_SetFormat(pData->DSpbuffer,&OutputType.Format);
|
||||
}
|
||||
|
||||
if(SUCCEEDED(hr))
|
||||
{
|
||||
if(device->NumUpdates > MAX_UPDATES)
|
||||
{
|
||||
device->UpdateSize = (device->UpdateSize*device->NumUpdates +
|
||||
MAX_UPDATES-1) / MAX_UPDATES;
|
||||
device->NumUpdates = MAX_UPDATES;
|
||||
}
|
||||
|
||||
memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
|
||||
DSBDescription.dwSize=sizeof(DSBUFFERDESC);
|
||||
DSBDescription.dwFlags=DSBCAPS_CTRLPOSITIONNOTIFY|DSBCAPS_GETCURRENTPOSITION2|DSBCAPS_GLOBALFOCUS;
|
||||
DSBDescription.dwBufferBytes=device->UpdateSize * device->NumUpdates *
|
||||
OutputType.Format.nBlockAlign;
|
||||
DSBDescription.lpwfxFormat=&OutputType.Format;
|
||||
hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSsbuffer, NULL);
|
||||
}
|
||||
|
||||
if(SUCCEEDED(hr))
|
||||
{
|
||||
hr = IDirectSoundBuffer_QueryInterface(pData->DSsbuffer, &IID_IDirectSoundNotify, (LPVOID *)&pData->DSnotify);
|
||||
if(SUCCEEDED(hr))
|
||||
{
|
||||
DSBPOSITIONNOTIFY notifies[MAX_UPDATES];
|
||||
ALuint i;
|
||||
|
||||
for(i = 0;i < device->NumUpdates;++i)
|
||||
{
|
||||
notifies[i].dwOffset = i * device->UpdateSize *
|
||||
OutputType.Format.nBlockAlign;
|
||||
notifies[i].hEventNotify = pData->hNotifyEvent;
|
||||
}
|
||||
if(IDirectSoundNotify_SetNotificationPositions(pData->DSnotify, device->NumUpdates, notifies) != DS_OK)
|
||||
hr = E_FAIL;
|
||||
}
|
||||
}
|
||||
|
||||
if(SUCCEEDED(hr))
|
||||
{
|
||||
ResetEvent(pData->hNotifyEvent);
|
||||
SetDefaultWFXChannelOrder(device);
|
||||
pData->thread = StartThread(DSoundProc, device);
|
||||
if(pData->thread == NULL)
|
||||
hr = E_FAIL;
|
||||
}
|
||||
|
||||
if(FAILED(hr))
|
||||
{
|
||||
if(pData->DSnotify != NULL)
|
||||
IDirectSoundNotify_Release(pData->DSnotify);
|
||||
pData->DSnotify = NULL;
|
||||
if(pData->DSsbuffer != NULL)
|
||||
IDirectSoundBuffer_Release(pData->DSsbuffer);
|
||||
pData->DSsbuffer = NULL;
|
||||
if(pData->DSpbuffer != NULL)
|
||||
IDirectSoundBuffer_Release(pData->DSpbuffer);
|
||||
pData->DSpbuffer = NULL;
|
||||
return ALC_FALSE;
|
||||
}
|
||||
|
||||
return ALC_TRUE;
|
||||
}
|
||||
|
||||
static void DSoundStopPlayback(ALCdevice *device)
|
||||
{
|
||||
DSoundData *pData = device->ExtraData;
|
||||
|
||||
if(!pData->thread)
|
||||
return;
|
||||
|
||||
pData->killNow = 1;
|
||||
StopThread(pData->thread);
|
||||
pData->thread = NULL;
|
||||
|
||||
pData->killNow = 0;
|
||||
|
||||
IDirectSoundNotify_Release(pData->DSnotify);
|
||||
pData->DSnotify = NULL;
|
||||
IDirectSoundBuffer_Release(pData->DSsbuffer);
|
||||
pData->DSsbuffer = NULL;
|
||||
if(pData->DSpbuffer != NULL)
|
||||
IDirectSoundBuffer_Release(pData->DSpbuffer);
|
||||
pData->DSpbuffer = NULL;
|
||||
}
|
||||
|
||||
|
||||
static const BackendFuncs DSoundFuncs = {
|
||||
DSoundOpenPlayback,
|
||||
DSoundClosePlayback,
|
||||
DSoundResetPlayback,
|
||||
DSoundStopPlayback,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL
|
||||
};
|
||||
|
||||
|
||||
ALCboolean alcDSoundInit(BackendFuncs *FuncList)
|
||||
{
|
||||
if(!DSoundLoad())
|
||||
return ALC_FALSE;
|
||||
*FuncList = DSoundFuncs;
|
||||
return ALC_TRUE;
|
||||
}
|
||||
|
||||
void alcDSoundDeinit(void)
|
||||
{
|
||||
ALuint i;
|
||||
|
||||
for(i = 0;i < NumDevices;++i)
|
||||
free(DeviceList[i].name);
|
||||
free(DeviceList);
|
||||
DeviceList = NULL;
|
||||
NumDevices = 0;
|
||||
|
||||
if(ds_handle)
|
||||
FreeLibrary(ds_handle);
|
||||
ds_handle = NULL;
|
||||
}
|
||||
|
||||
void alcDSoundProbe(enum DevProbe type)
|
||||
{
|
||||
HRESULT hr;
|
||||
ALuint i;
|
||||
|
||||
switch(type)
|
||||
{
|
||||
case DEVICE_PROBE:
|
||||
AppendDeviceList(dsDevice);
|
||||
break;
|
||||
|
||||
case ALL_DEVICE_PROBE:
|
||||
for(i = 0;i < NumDevices;++i)
|
||||
free(DeviceList[i].name);
|
||||
free(DeviceList);
|
||||
DeviceList = NULL;
|
||||
NumDevices = 0;
|
||||
|
||||
hr = DirectSoundEnumerateA(DSoundEnumDevices, NULL);
|
||||
if(FAILED(hr))
|
||||
ERR("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
|
||||
else
|
||||
{
|
||||
for(i = 0;i < NumDevices;i++)
|
||||
AppendAllDeviceList(DeviceList[i].name);
|
||||
}
|
||||
break;
|
||||
|
||||
case CAPTURE_DEVICE_PROBE:
|
||||
break;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user