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-rw-r--r--Alc/ALc.c24
-rw-r--r--Alc/ALu.c2
-rw-r--r--Alc/alsa.c86
-rw-r--r--Alc/dsound.c130
-rw-r--r--Alc/oss.c49
-rw-r--r--Alc/wave.c335
-rw-r--r--CMakeLists.txt18
-rw-r--r--OpenAL32/Include/alMain.h28
-rw-r--r--OpenAL32/alBuffer.c1
-rw-r--r--openalrc.sample8
10 files changed, 535 insertions, 146 deletions
diff --git a/Alc/ALc.c b/Alc/ALc.c
index 19144883..747a2456 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -62,6 +62,8 @@ struct {
{ "winmm", alcWinMMInit, EmptyFuncs },
#endif
+ { "wave", alc_wave_init, EmptyFuncs },
+
{ NULL, NULL, EmptyFuncs }
};
#undef EmptyFuncs
@@ -742,7 +744,7 @@ ALCAPI ALCvoid ALCAPIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsize
data[i++] = device->Frequency;
data[i++] = ALC_REFRESH;
- data[i++] = device->UpdateFreq;
+ data[i++] = device->Frequency / device->UpdateFreq;
data[i++] = ALC_SYNC;
data[i++] = ALC_FALSE;
@@ -780,7 +782,7 @@ ALCAPI ALCvoid ALCAPIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsize
else if(!size)
SetALCError(ALC_INVALID_VALUE);
else
- *data = device->UpdateFreq;
+ *data = device->Frequency / device->UpdateFreq;
break;
case ALC_SYNC:
@@ -792,6 +794,24 @@ ALCAPI ALCvoid ALCAPIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsize
*data = ALC_FALSE;
break;
+ case ALC_MONO_SOURCES:
+ if(!device || !device->Context)
+ SetALCError(ALC_INVALID_DEVICE);
+ else if (size != 1)
+ SetALCError(ALC_INVALID_VALUE);
+ else
+ *data = device->Context->lNumMonoSources;
+ break;
+
+ case ALC_STEREO_SOURCES:
+ if(!device || !device->Context)
+ SetALCError(ALC_INVALID_DEVICE);
+ else if (size != 1)
+ SetALCError(ALC_INVALID_VALUE);
+ else
+ *data = device->Context->lNumStereoSources;
+ break;
+
default:
SetALCError(ALC_INVALID_ENUM);
break;
diff --git a/Alc/ALu.c b/Alc/ALu.c
index eefab9ee..d91b24cc 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -151,12 +151,14 @@ __inline ALuint aluChannelsFromFormat(ALenum format)
static __inline ALint aluF2L(ALfloat Value)
{
+#if 0
if(sizeof(ALint) == 4 && sizeof(double) == 8)
{
double temp;
temp = Value + (((65536.0*65536.0*16.0)+(65536.0*65536.0*8.0))*65536.0);
return *((ALint*)&temp);
}
+#endif
return (ALint)Value;
}
diff --git a/Alc/alsa.c b/Alc/alsa.c
index bef6ac99..e76b8504 100644
--- a/Alc/alsa.c
+++ b/Alc/alsa.c
@@ -116,7 +116,7 @@ static int xrun_recovery(snd_pcm_t *handle, int err)
else if (err == -ESTRPIPE)
{
while ((err = psnd_pcm_resume(handle)) == -EAGAIN)
- usleep(1); /* wait until the suspend flag is released */
+ Sleep(1); /* wait until the suspend flag is released */
if (err < 0)
{
err = psnd_pcm_prepare(handle);
@@ -177,7 +177,7 @@ static ALuint ALSAProc(ALvoid *ptr)
// make sure there's frames to process
if(avail == 0)
{
- usleep(1000);
+ Sleep(1);
continue;
}
@@ -222,30 +222,9 @@ static ALuint ALSANoMMapProc(ALvoid *ptr)
alsa_data *data = (alsa_data*)pDevice->ExtraData;
snd_pcm_sframes_t avail;
char *WritePtr;
- int err;
while(!data->killNow)
{
- snd_pcm_state_t state = psnd_pcm_state(data->pcmHandle);
- if(state == SND_PCM_STATE_XRUN)
- {
- err = xrun_recovery(data->pcmHandle, -EPIPE);
- if (err < 0)
- {
- AL_PRINT("XRUN recovery failed: %s\n", psnd_strerror(err));
- break;
- }
- }
- else if (state == SND_PCM_STATE_SUSPENDED)
- {
- err = xrun_recovery(data->pcmHandle, -ESTRPIPE);
- if (err < 0)
- {
- AL_PRINT("SUSPEND recovery failed: %s\n", psnd_strerror(err));
- break;
- }
- }
-
SuspendContext(NULL);
aluMixData(pDevice->Context, data->buffer, data->size, pDevice->Format);
ProcessContext(NULL);
@@ -346,6 +325,9 @@ static ALCboolean alsa_open_playback(ALCdevice *device, const ALCchar *deviceNam
char *err;
int i;
+ if(!alsa_handle)
+ return ALC_FALSE;
+
strncpy(driver, GetConfigValue("alsa", "device", "default"), sizeof(driver)-1);
driver[sizeof(driver)-1] = 0;
if(deviceName)
@@ -385,7 +367,7 @@ open_alsa:
i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
if(i < 0)
{
- usleep(200000);
+ Sleep(200);
i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
}
if(i >= 0)
@@ -417,7 +399,7 @@ open_alsa:
periods = GetConfigValueInt("alsa", "periods", 4);
if((int)periods <= 0)
periods = 4;
- bufferSizeInFrames = device->UpdateFreq;
+ bufferSizeInFrames = device->UpdateFreq / periods;
psnd_pcm_hw_params_malloc(&p);
#define ok(func, str) (i=(func),((i<0)?(err=(str)),0:1))
@@ -425,7 +407,7 @@ open_alsa:
if(!(ok(psnd_pcm_hw_params_any(data->pcmHandle, p), "any") &&
/* set interleaved access */
(ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_MMAP_INTERLEAVED), "set access") ||
- ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_RW_INTERLEAVED), "set access"))&&
+ ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_RW_INTERLEAVED), "set access")) &&
/* set format (implicitly sets sample bits) */
ok(psnd_pcm_hw_params_set_format(data->pcmHandle, p, data->format), "set format") &&
/* set channels (implicitly sets frame bits) */
@@ -461,17 +443,7 @@ open_alsa:
device->MaxNoOfSources = 256;
device->UpdateFreq = bufferSizeInFrames;
- i = psnd_pcm_prepare(data->pcmHandle);
- if(i < 0)
- {
- AL_PRINT("prepare error: %s\n", psnd_strerror(i));
- psnd_pcm_close(data->pcmHandle);
- free(data->buffer);
- free(data);
- return ALC_FALSE;
- }
-
- data->size = psnd_pcm_frames_to_bytes(data->pcmHandle, bufferSizeInFrames);
+ data->size = psnd_pcm_frames_to_bytes(data->pcmHandle, device->UpdateFreq);
if(access == SND_PCM_ACCESS_RW_INTERLEAVED)
{
data->buffer = malloc(data->size);
@@ -484,16 +456,28 @@ open_alsa:
}
}
else
+ {
+ i = psnd_pcm_prepare(data->pcmHandle);
+ if(i < 0)
+ {
+ AL_PRINT("prepare error: %s\n", psnd_strerror(i));
+ psnd_pcm_close(data->pcmHandle);
+ free(data->buffer);
+ free(data);
+ return ALC_FALSE;
+ }
+
fill_silence(data->pcmHandle, data->format, device->Channels);
- i = psnd_pcm_start(data->pcmHandle);
- if(i < 0)
- {
- AL_PRINT("start error: %s\n", psnd_strerror(i));
- psnd_pcm_close(data->pcmHandle);
- free(data->buffer);
- free(data);
- return ALC_FALSE;
+ i = psnd_pcm_start(data->pcmHandle);
+ if(i < 0)
+ {
+ AL_PRINT("start error: %s\n", psnd_strerror(i));
+ psnd_pcm_close(data->pcmHandle);
+ free(data->buffer);
+ free(data);
+ return ALC_FALSE;
+ }
}
device->ExtraData = data;
@@ -531,12 +515,15 @@ static ALCboolean alsa_open_capture(ALCdevice *pDevice, const ALCchar *deviceNam
snd_pcm_format_t alsaFormat;
snd_pcm_hw_params_t *p;
unsigned int periods = 4;
- snd_pcm_uframes_t bufferSizeInFrames = SampleSize;
+ snd_pcm_uframes_t bufferSizeInFrames;
alsa_data *data;
char driver[64];
char *err;
int i;
+ if(!alsa_handle)
+ return ALC_FALSE;
+
strncpy(driver, GetConfigValue("alsa", "capture", "default"), sizeof(driver)-1);
driver[sizeof(driver)-1] = 0;
if(deviceName)
@@ -565,7 +552,7 @@ open_alsa:
i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
if(i < 0)
{
- usleep(200000);
+ Sleep(200);
i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
}
if(i >= 0)
@@ -594,6 +581,8 @@ open_alsa:
AL_PRINT("Unknown format?! %x\n", format);
}
+ bufferSizeInFrames = SampleSize / periods;
+
psnd_pcm_hw_params_malloc(&p);
#define ok(func, str) (i=(func),((i<0)?(err=(str)),0:1))
/* start with the largest configuration space possible */
@@ -775,7 +764,7 @@ void alc_alsa_init(BackendFuncs *func_list)
} while(0)
#else
str = NULL;
- alsa_handle = NULL;
+ alsa_handle = 0xDEADBEEF;
#define LOAD_FUNC(f) p##f = f
#endif
@@ -910,7 +899,6 @@ next_card:
}
if (err >= 0 && (err = psnd_ctl_card_info(handle, info)) < 0) {
AL_PRINT("control hardware info (%i): %s\n", card, psnd_strerror(err));
- psnd_ctl_close(handle);
}
else if (err >= 0 && card < MAX_DEVICES-1)
{
diff --git a/Alc/dsound.c b/Alc/dsound.c
index 90a422a2..d2708f0a 100644
--- a/Alc/dsound.c
+++ b/Alc/dsound.c
@@ -36,71 +36,74 @@ typedef struct {
LPDIRECTSOUND lpDS;
LPDIRECTSOUNDBUFFER DSpbuffer;
LPDIRECTSOUNDBUFFER DSsbuffer;
- MMRESULT ulDSTimerID;
- DWORD OldWriteCursor;
+
+ int killNow;
+ ALvoid *thread;
} DSoundData;
static ALCchar *DeviceList[16];
-static void CALLBACK DirectSoundProc(UINT uID,UINT uReserved,DWORD_PTR dwUser,DWORD_PTR dwReserved1,DWORD_PTR dwReserved2)
-{
- ALCdevice *pDevice = (ALCdevice *)dwUser;
- DSoundData *pData = pDevice->ExtraData;
- DWORD PlayCursor,WriteCursor;
- BYTE *WritePtr1,*WritePtr2;
- DWORD WriteCnt1,WriteCnt2;
- WAVEFORMATEX OutputType;
- DWORD BytesPlayed;
- DWORD BufSize;
- HRESULT DSRes;
- (void)uID;
- (void)uReserved;
- (void)dwReserved1;
- (void)dwReserved2;
+static ALuint DSoundProc(ALvoid *ptr)
+{
+ ALCdevice *pDevice = (ALCdevice*)ptr;
+ DSoundData *pData = (DSoundData*)pDevice->ExtraData;
+ DWORD LastCursor = 0;
+ DWORD PlayCursor;
+ VOID *WritePtr;
+ DWORD WriteCnt;
+ DWORD avail;
+ HRESULT err;
+
+ while(!pData->killNow)
+ {
+ // Get current play and write cursors
+ IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &PlayCursor, NULL);
+ avail = (PlayCursor-LastCursor) % (pDevice->UpdateFreq*pDevice->FrameSize);
- BufSize = pDevice->UpdateFreq * pDevice->FrameSize;
+ if(avail == 0)
+ {
+ Sleep(1);
+ continue;
+ }
- // Get current play and write cursors
- IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer,&PlayCursor,&WriteCursor);
- if (!pData->OldWriteCursor) pData->OldWriteCursor=WriteCursor-PlayCursor;
+ // Lock output buffer
+ WriteCnt = 0;
+ err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, &WritePtr, &WriteCnt, NULL, NULL, 0);
- // Get the output format and figure the number of bytes played (block aligned)
- IDirectSoundBuffer_GetFormat(pData->DSsbuffer,&OutputType,sizeof(WAVEFORMATEX),NULL);
- BytesPlayed=((((WriteCursor<pData->OldWriteCursor)?(BufSize+WriteCursor-pData->OldWriteCursor):(WriteCursor-pData->OldWriteCursor))/OutputType.nBlockAlign)*OutputType.nBlockAlign);
+ // If the buffer is lost, restore it, play and lock
+ if(err == DSERR_BUFFERLOST)
+ {
+ err = IDirectSoundBuffer_Restore(pData->DSsbuffer);
+ if(SUCCEEDED(err))
+ err = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);
+ if(SUCCEEDED(err))
+ err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, (LPVOID*)&WritePtr, &WriteCnt, NULL, NULL, 0);
+ }
- // Lock output buffer started at 40msec in front of the old write cursor (15msec in front of the actual write cursor)
- DSRes=IDirectSoundBuffer_Lock(pData->DSsbuffer,(pData->OldWriteCursor+(OutputType.nSamplesPerSec/25)*OutputType.nBlockAlign)%BufSize,BytesPlayed,(LPVOID*)&WritePtr1,&WriteCnt1,(LPVOID*)&WritePtr2,&WriteCnt2,0);
+ // Successfully locked the output buffer
+ if(SUCCEEDED(err))
+ {
+ // If we have an active context, mix data directly into output buffer otherwise fill with silence
+ SuspendContext(NULL);
+ aluMixData(pDevice->Context, WritePtr, WriteCnt, pDevice->Format);
+ ProcessContext(NULL);
- // If the buffer is lost, restore it, play and lock
- if (DSRes==DSERR_BUFFERLOST)
- {
- IDirectSoundBuffer_Restore(pData->DSsbuffer);
- IDirectSoundBuffer_Play(pData->DSsbuffer,0,0,DSBPLAY_LOOPING);
- DSRes=IDirectSoundBuffer_Lock(pData->DSsbuffer,(pData->OldWriteCursor+(OutputType.nSamplesPerSec/25)*OutputType.nBlockAlign)%BufSize,BytesPlayed,(LPVOID*)&WritePtr1,&WriteCnt1,(LPVOID*)&WritePtr2,&WriteCnt2,0);
- }
+ // Unlock output buffer only when successfully locked
+ IDirectSoundBuffer_Unlock(pData->DSsbuffer, WritePtr, WriteCnt, NULL, 0);
+ }
+ else
+ AL_PRINT("Buffer lock error: %#lx\n", err);
- // Successfully locked the output buffer
- if (DSRes==DS_OK)
- {
- // If we have an active context, mix data directly into output buffer otherwise fill with silence
- SuspendContext(NULL);
- if (WritePtr1)
- aluMixData(pDevice->Context, WritePtr1, WriteCnt1, pDevice->Format);
- if (WritePtr2)
- aluMixData(pDevice->Context, WritePtr2, WriteCnt2, pDevice->Format);
- ProcessContext(NULL);
-
- // Unlock output buffer only when successfully locked
- IDirectSoundBuffer_Unlock(pData->DSsbuffer,WritePtr1,WriteCnt1,WritePtr2,WriteCnt2);
+ // Update old write cursor location
+ LastCursor += WriteCnt;
+ LastCursor %= pDevice->UpdateFreq*pDevice->FrameSize;
}
- // Update old write cursor location
- pData->OldWriteCursor=((pData->OldWriteCursor+BytesPlayed)%BufSize);
+ return 0;
}
-
static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName)
{
DSBUFFERDESC DSBDescription;
@@ -177,6 +180,13 @@ static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceNam
if(SUCCEEDED(hr))
hr = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);
+ device->MaxNoOfSources = 256;
+ device->ExtraData = pData;
+
+ pData->thread = StartThread(DSoundProc, device);
+ if(!pData->thread)
+ hr = E_FAIL;
+
if(FAILED(hr))
{
if (pData->DSsbuffer)
@@ -190,10 +200,6 @@ static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceNam
return ALC_FALSE;
}
- pData->ulDSTimerID = timeSetEvent(25, 0, (LPTIMECALLBACK)DirectSoundProc, (DWORD)device, (UINT)TIME_CALLBACK_FUNCTION|TIME_PERIODIC);
- device->MaxNoOfSources = 256;
-
- device->ExtraData = pData;
return ALC_TRUE;
}
@@ -201,26 +207,16 @@ static void DSoundClosePlayback(ALCdevice *device)
{
DSoundData *pData = device->ExtraData;
- // Stop and release the DS timer
- if (pData->ulDSTimerID)
- timeKillEvent(pData->ulDSTimerID);
+ pData->killNow = 1;
+ StopThread(pData->thread);
- // Wait ... just in case any timer events happen
- Sleep(100);
-
- SuspendContext(NULL);
-
- if (pData->DSsbuffer)
- IDirectSoundBuffer_Release(pData->DSsbuffer);
- if (pData->DSpbuffer)
- IDirectSoundBuffer_Release(pData->DSpbuffer);
+ IDirectSoundBuffer_Release(pData->DSsbuffer);
+ IDirectSoundBuffer_Release(pData->DSpbuffer);
IDirectSound_Release(pData->lpDS);
//Deinit COM
CoUninitialize();
- ProcessContext(NULL);
-
free(pData);
device->ExtraData = NULL;
}
diff --git a/Alc/oss.c b/Alc/oss.c
index a5c2fef4..299146b2 100644
--- a/Alc/oss.c
+++ b/Alc/oss.c
@@ -55,7 +55,6 @@ typedef struct {
ALubyte *mix_data;
int data_size;
- int silence;
RingBuffer *ring;
int doCapture;
@@ -78,31 +77,35 @@ static ALuint OSSProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
oss_data *data = (oss_data*)pDevice->ExtraData;
- int remaining;
+ int remaining = 0;
int wrote;
while(!data->killNow)
{
- SuspendContext(NULL);
- aluMixData(pDevice->Context,data->mix_data,data->data_size,pDevice->Format);
- ProcessContext(NULL);
+ int len = data->data_size - remaining;
- remaining = data->data_size;
- while(remaining > 0)
+ if(len > 0)
+ {
+ SuspendContext(NULL);
+ aluMixData(pDevice->Context, data->mix_data+remaining, len, pDevice->Format);
+ ProcessContext(NULL);
+ }
+
+ remaining += len;
+ wrote = write(data->fd, data->mix_data, remaining);
+ if(wrote < 0)
+ {
+ AL_PRINT("write failed: %s\n", strerror(errno));
+ remaining = 0;
+ }
+ else if(wrote > 0)
{
- wrote = write(data->fd, data->mix_data+data->data_size-remaining, remaining);
- if(wrote < 0)
- {
- AL_PRINT("write failed: %s\n", strerror(errno));
- break;
- }
- if(wrote == 0)
- {
- usleep(1000);
- continue;
- }
remaining -= wrote;
+ if(remaining > 0)
+ memmove(data->mix_data, data->mix_data+wrote, remaining);
}
+ else
+ Sleep(1);
}
return 0;
@@ -128,7 +131,7 @@ static ALuint OSSCaptureProc(ALvoid *ptr)
}
if(amt == 0)
{
- usleep(1000);
+ Sleep(1);
continue;
}
if(data->doCapture)
@@ -177,11 +180,9 @@ static ALCboolean oss_open_playback(ALCdevice *device, const ALCchar *deviceName
switch(aluBytesFromFormat(device->Format))
{
case 1:
- data->silence = 0x80;
ossFormat = AFMT_U8;
break;
case 2:
- data->silence = 0;
ossFormat = AFMT_S16_NE;
break;
default:
@@ -190,7 +191,7 @@ static ALCboolean oss_open_playback(ALCdevice *device, const ALCchar *deviceName
}
periods = GetConfigValueInt("oss", "periods", 4);
- if((int)periods < 0)
+ if((int)periods <= 0)
periods = 4;
numChannels = device->Channels;
ossSpeed = device->Frequency;
@@ -307,11 +308,9 @@ static ALCboolean oss_open_capture(ALCdevice *device, const ALCchar *deviceName,
switch(aluBytesFromFormat(format))
{
case 1:
- data->silence = 0x80;
ossFormat = AFMT_U8;
break;
case 2:
- data->silence = 0;
ossFormat = AFMT_S16_NE;
break;
default:
@@ -402,7 +401,7 @@ static ALCboolean oss_open_capture(ALCdevice *device, const ALCchar *deviceName,
device->UpdateFreq = info.fragsize / device->FrameSize;
- data->data_size = device->UpdateFreq * device->FrameSize;
+ data->data_size = device->UpdateFreq * device->FrameSize * info.fragments;
data->mix_data = calloc(1, data->data_size);
device->ExtraData = data;
diff --git a/Alc/wave.c b/Alc/wave.c
new file mode 100644
index 00000000..de4c87db
--- /dev/null
+++ b/Alc/wave.c
@@ -0,0 +1,335 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 1999-2007 by authors.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <memory.h>
+#include "alMain.h"
+#include "AL/al.h"
+#include "AL/alc.h"
+
+
+typedef struct {
+ FILE *f;
+ long DataStart;
+
+ ALvoid *buffer;
+ ALuint size;
+
+ int killNow;
+ ALvoid *thread;
+} wave_data;
+
+
+static ALCchar *waveDevice;
+
+
+static ALuint WaveProc(ALvoid *ptr)
+{
+ ALCdevice *pDevice = (ALCdevice*)ptr;
+ wave_data *data = (wave_data*)pDevice->ExtraData;
+ ALuint frameSize;
+ ALuint now, last;
+ size_t WriteCnt;
+ ALuint avail;
+ union {
+ short s;
+ char b[sizeof(short)];
+ } uSB;
+
+ uSB.s = 1;
+ frameSize = aluBytesFromFormat(pDevice->Format) *
+ aluChannelsFromFormat(pDevice->Format);
+
+ last = timeGetTime();
+ while(!data->killNow)
+ {
+ now = timeGetTime();
+
+ avail = (now-last) * pDevice->Frequency / 1000;
+ if(avail < pDevice->UpdateFreq/4)
+ {
+ Sleep(1);
+ continue;
+ }
+
+ while(avail > 0)
+ {
+ SuspendContext(NULL);
+ WriteCnt = min(data->size, avail);
+ aluMixData(pDevice->Context, data->buffer, WriteCnt * frameSize,
+ pDevice->Format);
+ ProcessContext(NULL);
+
+ if(uSB.b[0] != 1 && aluBytesFromFormat(pDevice->Format) > 1)
+ {
+ ALubyte *bytes = data->buffer;
+ ALuint i;
+
+ for(i = 0;i < WriteCnt*frameSize;i++)
+ fputc(bytes[i^1], data->f);
+ }
+ else
+ fwrite(data->buffer, frameSize, WriteCnt, data->f);
+ if(ferror(data->f))
+ {
+ AL_PRINT("Error writing to file\n");
+ data->killNow = 1;
+ break;
+ }
+
+ avail -= WriteCnt;
+ }
+ last = now;
+ }
+
+ return 0;
+}
+
+static ALCboolean wave_open_playback(ALCdevice *device, const ALCchar *deviceName)
+{
+ wave_data *data;
+ ALuint channels;
+ ALuint bits;
+ const char *fname;
+ int i;
+
+ fname = GetConfigValue("wave", "file", "");
+ if(!fname[0])
+ return ALC_FALSE;
+
+ if(deviceName)
+ {
+ if(strcmp(deviceName, waveDevice) != 0)
+ return ALC_FALSE;
+ device->szDeviceName = waveDevice;
+ }
+ else
+ device->szDeviceName = waveDevice;
+
+ data = (wave_data*)calloc(1, sizeof(wave_data));
+
+ data->f = fopen(fname, "wb");
+ if(!data->f)
+ {
+ free(data);
+ AL_PRINT("Could not open file '%s': %s\n", fname, strerror(errno));
+ return ALC_FALSE;
+ }
+
+ bits = aluBytesFromFormat(device->Format) * 8;
+ channels = aluChannelsFromFormat(device->Format);
+ switch(bits)
+ {
+ case 8:
+ case 16:
+ if(channels == 0)
+ {
+ AL_PRINT("Unknown format?! %x\n", device->Format);
+ fclose(data->f);
+ free(data);
+ return ALC_FALSE;
+ }
+ break;
+
+ default:
+ AL_PRINT("Unknown format?! %x\n", device->Format);
+ fclose(data->f);
+ free(data);
+ return ALC_FALSE;
+ }
+
+ fprintf(data->f, "RIFF");
+ fputc(0, data->f); // 'RIFF' header len; filled in at close
+ fputc(0, data->f);
+ fputc(0, data->f);
+ fputc(0, data->f);
+
+ fprintf(data->f, "WAVE");
+
+ fprintf(data->f, "fmt ");
+ fputc(16, data->f); // 'fmt ' header len; 16 bytes for PCM
+ fputc(0, data->f);
+ fputc(0, data->f);
+ fputc(0, data->f);
+ // 16-bit val, format type id (PCM: 1)
+ fputc(1, data->f);
+ fputc(0, data->f);
+ // 16-bit val, channel count
+ fputc(channels&0xff, data->f);
+ fputc((channels>>8)&0xff, data->f);
+ // 32-bit val, frequency
+ fputc(device->Frequency&0xff, data->f);
+ fputc((device->Frequency>>8)&0xff, data->f);
+ fputc((device->Frequency>>16)&0xff, data->f);
+ fputc((device->Frequency>>24)&0xff, data->f);
+ // 32-bit val, bytes per second
+ i = device->Frequency * channels * bits / 8;
+ fputc(i&0xff, data->f);
+ fputc((i>>8)&0xff, data->f);
+ fputc((i>>16)&0xff, data->f);
+ fputc((i>>24)&0xff, data->f);
+ // 16-bit val, frame size
+ i = channels * bits / 8;
+ fputc(i&0xff, data->f);
+ fputc((i>>8)&0xff, data->f);
+ // 16-bit val, bits per sample
+ fputc(bits&0xff, data->f);
+ fputc((bits>>8)&0xff, data->f);
+
+ fprintf(data->f, "data");
+ fputc(0, data->f); // 'data' header len; filled in at close
+ fputc(0, data->f);
+ fputc(0, data->f);
+ fputc(0, data->f);
+
+ if(ferror(data->f))
+ {
+ AL_PRINT("Error writing header: %s\n", strerror(errno));
+ fclose(data->f);
+ free(data);
+ return ALC_FALSE;
+ }
+
+ data->DataStart = ftell(data->f);
+
+ device->MaxNoOfSources = 256;
+ device->UpdateFreq = max(device->UpdateFreq, 2048);
+
+ data->size = device->UpdateFreq;
+ data->buffer = malloc(data->size * channels * bits / 8);
+ if(!data->buffer)
+ {
+ AL_PRINT("buffer malloc failed\n");
+ fclose(data->f);
+ free(data);
+ return ALC_FALSE;
+ }
+
+ device->ExtraData = data;
+ data->thread = StartThread(WaveProc, device);
+ if(data->thread == NULL)
+ {
+ device->ExtraData = NULL;
+ fclose(data->f);
+ free(data->buffer);
+ free(data);
+ return ALC_FALSE;
+ }
+
+ return ALC_TRUE;
+}
+
+static void wave_close_playback(ALCdevice *device)
+{
+ wave_data *data = (wave_data*)device->ExtraData;
+ ALuint dataLen;
+ long size;
+
+ data->killNow = 1;
+ StopThread(data->thread);
+
+ size = ftell(data->f);
+ if(size > 0)
+ {
+ dataLen = size - data->DataStart;
+ if(fseek(data->f, data->DataStart-4, SEEK_SET) == 0)
+ {
+ fputc(dataLen&0xff, data->f); // 'data' header len
+ fputc((dataLen>>8)&0xff, data->f);
+ fputc((dataLen>>16)&0xff, data->f);
+ fputc((dataLen>>24)&0xff, data->f);
+ }
+ if(fseek(data->f, 4, SEEK_SET) == 0)
+ {
+ size -= 8;
+ fputc(size&0xff, data->f); // 'WAVE' header len
+ fputc((size>>8)&0xff, data->f);
+ fputc((size>>16)&0xff, data->f);
+ fputc((size>>24)&0xff, data->f);
+ }
+ }
+
+ fclose(data->f);
+ free(data->buffer);
+ free(data);
+ device->ExtraData = NULL;
+}
+
+
+static ALCboolean wave_open_capture(ALCdevice *pDevice, const ALCchar *deviceName, ALCuint frequency, ALCenum format, ALCsizei SampleSize)
+{
+ (void)pDevice;
+ (void)deviceName;
+ (void)frequency;
+ (void)format;
+ (void)SampleSize;
+ return ALC_FALSE;
+}
+
+static void wave_close_capture(ALCdevice *pDevice)
+{
+ (void)pDevice;
+}
+
+static void wave_start_capture(ALCdevice *pDevice)
+{
+ (void)pDevice;
+}
+
+static void wave_stop_capture(ALCdevice *pDevice)
+{
+ (void)pDevice;
+}
+
+static void wave_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
+{
+ (void)pDevice;
+ (void)pBuffer;
+ (void)lSamples;
+}
+
+static ALCuint wave_available_samples(ALCdevice *pDevice)
+{
+ (void)pDevice;
+ return 0;
+}
+
+
+BackendFuncs wave_funcs = {
+ wave_open_playback,
+ wave_close_playback,
+ wave_open_capture,
+ wave_close_capture,
+ wave_start_capture,
+ wave_stop_capture,
+ wave_capture_samples,
+ wave_available_samples
+};
+
+void alc_wave_init(BackendFuncs *func_list)
+{
+ *func_list = wave_funcs;
+
+ waveDevice = AppendDeviceList("Wave File Writer");
+ AppendAllDeviceList(waveDevice);
+}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f77f340a..18f9a365 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,8 +28,8 @@ OPTION(WERROR "Treat compile warnings as errors" OFF)
SET(LIB_MAJOR_VERSION "1")
-SET(LIB_MINOR_VERSION "0")
-SET(LIB_BUILD_VERSION "38")
+SET(LIB_MINOR_VERSION "1")
+SET(LIB_BUILD_VERSION "93")
SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_BUILD_VERSION}")
@@ -132,6 +132,16 @@ ENDIF()
# Check if we have Windows headers
CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H)
IF(NOT "${HAVE_WINDOWS_H}")
+ CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
+ IF(NOT "${HAVE_GETTIMEOFDAY}")
+ MESSAGE(FATAL_ERROR "No timing function found!")
+ ENDIF()
+
+ CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
+ IF(NOT "${HAVE_NANOSLEEP}")
+ MESSAGE(FATAL_ERROR "No sleep function found!")
+ ENDIF()
+
# We need pthreads outside of Windows
CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
IF(NOT "${HAVE_PTHREAD_H}")
@@ -183,6 +193,7 @@ SET(ALC_OBJS Alc/ALc.c
Alc/alcRing.c
Alc/alcThread.c
Alc/bs2b.c
+ Alc/wave.c
)
SET(BACKENDS "")
@@ -256,6 +267,9 @@ IF("${HAVE_WINDOWS_H}")
ENDIF()
ENDIF()
+# This is always available
+SET(BACKENDS ${BACKENDS} WaveFile)
+
# End configuration
CONFIGURE_FILE(
"${OpenAL_SOURCE_DIR}/config.h.in"
diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index a1857c97..ce5c5be9 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -13,6 +13,9 @@
#include <assert.h>
#include <pthread.h>
+#include <sys/time.h>
+#include <time.h>
+#include <errno.h>
#define IsBadWritePtr(a,b) (0)
@@ -52,6 +55,30 @@ static inline void DeleteCriticalSection(CRITICAL_SECTION *cs)
assert(ret == 0);
}
+/* NOTE: This wrapper isn't quite accurate as it returns an ALuint, as opposed
+ * to the expected DWORD. Both are defined as unsigned 32-bit types, however.
+ * Additionally, Win32 is supposed to measure the time since Windows started,
+ * as opposed to the actual time. */
+static inline ALuint timeGetTime(void)
+{
+ struct timeval tv;
+ int ret;
+
+ ret = gettimeofday(&tv, NULL);
+ assert(ret == 0);
+
+ return tv.tv_usec/1000 + tv.tv_sec*1000;
+}
+
+static inline void Sleep(ALuint t)
+{
+ struct timespec tv, rem;
+ tv.tv_nsec = (t*1000000)%1000000000;
+ tv.tv_sec = t/1000;
+
+ while(nanosleep(&tv, &rem) == -1 && errno == EINTR)
+ tv = rem;
+}
#define min(x,y) (((x)<(y))?(x):(y))
#define max(x,y) (((x)>(y))?(x):(y))
#endif
@@ -123,6 +150,7 @@ void alc_alsa_init(BackendFuncs *func_list);
void alc_oss_init(BackendFuncs *func_list);
void alcDSoundInit(BackendFuncs *func_list);
void alcWinMMInit(BackendFuncs *FuncList);
+void alc_wave_init(BackendFuncs *func_list);
struct ALCdevice_struct
diff --git a/OpenAL32/alBuffer.c b/OpenAL32/alBuffer.c
index 2bcb6562..1ea54fce 100644
--- a/OpenAL32/alBuffer.c
+++ b/OpenAL32/alBuffer.c
@@ -22,6 +22,7 @@
#include <stdlib.h>
#include <stdio.h>
+#include <assert.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
diff --git a/openalrc.sample b/openalrc.sample
index 0e378a84..37325d14 100644
--- a/openalrc.sample
+++ b/openalrc.sample
@@ -44,7 +44,7 @@ drivers = # Sets the backend driver list order, comma-seperated. Unknown
# backends and duplicated names are ignored, and unlisted backends
# won't be considered for use. An empty list means the default.
# Default is:
- # alsa,oss,dsound,winmm
+ # alsa,oss,dsound,winmm,wave
[alsa] # ALSA backend stuff
device = default # Sets the device name for the default playback device.
@@ -67,3 +67,9 @@ capture = /dev/dsp # Sets the device name for OSS capture. Default is /dev/dsp
[winmm] # Windows Multimedia backend stuff
# Nothing yet...
+
+[wave] # Wave File Writer stuff
+file = # Sets the filename of the wave file to write to. An empty name
+ # prevents the backend from opening, even when explicitly requested.
+ # THIS WILL OVERWRITE EXISTING FILES WITHOUT QUESTION!
+ # Default is empty