Mark Harmstone : dsound: Support quadraphonic sound.
Alexandre Julliard
julliard at wine.codeweavers.com
Fri Jan 9 11:49:15 CST 2015
Module: wine
Branch: master
Commit: 3ba100d81c8c2de783f0e4b57d7e190ca8ec47ea
URL: http://source.winehq.org/git/wine.git/?a=commit;h=3ba100d81c8c2de783f0e4b57d7e190ca8ec47ea
Author: Mark Harmstone <hellas at burntcomma.com>
Date: Tue Jan 6 19:27:10 2015 +0000
dsound: Support quadraphonic sound.
---
dlls/dsound/dsound.c | 13 +++++++++++++
dlls/dsound/dsound_convert.c | 19 +++++++++++++++++++
dlls/dsound/dsound_private.h | 4 +++-
dlls/dsound/mixer.c | 11 ++++++++++-
dlls/dsound/primary.c | 7 ++++++-
5 files changed, 51 insertions(+), 3 deletions(-)
diff --git a/dlls/dsound/dsound.c b/dlls/dsound/dsound.c
index c5c6e8a..db4852f 100644
--- a/dlls/dsound/dsound.c
+++ b/dlls/dsound/dsound.c
@@ -606,6 +606,19 @@ void DSOUND_ParseSpeakerConfig(DirectSoundDevice *device)
device->lfe_channel = -1;
break;
+ case DSSPEAKER_QUAD:
+ device->speaker_angles[0] = M_PI/180.0f * -135.0f;
+ device->speaker_angles[1] = M_PI/180.0f * -45.0f;
+ device->speaker_angles[2] = M_PI/180.0f * 45.0f;
+ device->speaker_angles[3] = M_PI/180.0f * 135.0f;
+ device->speaker_num[0] = 2; /* Rear left */
+ device->speaker_num[1] = 0; /* Front left */
+ device->speaker_num[2] = 1; /* Front right */
+ device->speaker_num[3] = 3; /* Rear right */
+ device->num_speakers = 4;
+ device->lfe_channel = -1;
+ break;
+
default:
WARN("unknown speaker_config %u\n", device->speaker_config);
}
diff --git a/dlls/dsound/dsound_convert.c b/dlls/dsound/dsound_convert.c
index d3d686a..a7f7ad4 100644
--- a/dlls/dsound/dsound_convert.c
+++ b/dlls/dsound/dsound_convert.c
@@ -165,6 +165,25 @@ void put_mono2stereo(const IDirectSoundBufferImpl *dsb, DWORD pos, DWORD channel
dsb->put_aux(dsb, pos, 1, value);
}
+void put_mono2quad(const IDirectSoundBufferImpl *dsb, DWORD pos, DWORD channel, float value)
+{
+ dsb->put_aux(dsb, pos, 0, value);
+ dsb->put_aux(dsb, pos, 1, value);
+ dsb->put_aux(dsb, pos, 2, value);
+ dsb->put_aux(dsb, pos, 3, value);
+}
+
+void put_stereo2quad(const IDirectSoundBufferImpl *dsb, DWORD pos, DWORD channel, float value)
+{
+ if (channel == 0) { /* Left */
+ dsb->put_aux(dsb, pos, 0, value); /* Front left */
+ dsb->put_aux(dsb, pos, 2, value); /* Back left */
+ } else if (channel == 1) { /* Right */
+ dsb->put_aux(dsb, pos, 1, value); /* Front right */
+ dsb->put_aux(dsb, pos, 3, value); /* Back right */
+ }
+}
+
void mixieee32(float *src, float *dst, unsigned samples)
{
TRACE("%p - %p %d\n", src, dst, samples);
diff --git a/dlls/dsound/dsound_private.h b/dlls/dsound/dsound_private.h
index 5320d30..0ade63e 100644
--- a/dlls/dsound/dsound_private.h
+++ b/dlls/dsound/dsound_private.h
@@ -30,7 +30,7 @@
#include "wine/list.h"
-#define DS_MAX_CHANNELS 2
+#define DS_MAX_CHANNELS 4
extern int ds_hel_buflen DECLSPEC_HIDDEN;
extern int ds_snd_queue_max DECLSPEC_HIDDEN;
@@ -179,6 +179,8 @@ struct IDirectSoundBufferImpl
float get_mono(const IDirectSoundBufferImpl *dsb, DWORD pos, DWORD channel) DECLSPEC_HIDDEN;
void put_mono2stereo(const IDirectSoundBufferImpl *dsb, DWORD pos, DWORD channel, float value) DECLSPEC_HIDDEN;
+void put_mono2quad(const IDirectSoundBufferImpl *dsb, DWORD pos, DWORD channel, float value) DECLSPEC_HIDDEN;
+void put_stereo2quad(const IDirectSoundBufferImpl *dsb, DWORD pos, DWORD channel, float value) DECLSPEC_HIDDEN;
HRESULT IDirectSoundBufferImpl_Create(
DirectSoundDevice *device,
diff --git a/dlls/dsound/mixer.c b/dlls/dsound/mixer.c
index f6c2661..363ca47 100644
--- a/dlls/dsound/mixer.c
+++ b/dlls/dsound/mixer.c
@@ -151,13 +151,22 @@ void DSOUND_RecalcFormat(IDirectSoundBufferImpl *dsb)
else if (ichannels == 1)
{
dsb->mix_channels = 1;
- dsb->put = put_mono2stereo;
+
+ if (ochannels == 2)
+ dsb->put = put_mono2stereo;
+ else if (ochannels == 4)
+ dsb->put = put_mono2quad;
}
else if (ochannels == 1)
{
dsb->mix_channels = 1;
dsb->get = get_mono;
}
+ else if (ichannels == 2 && ochannels == 4)
+ {
+ dsb->mix_channels = 2;
+ dsb->put = put_stereo2quad;
+ }
else
{
if (ichannels > 2)
diff --git a/dlls/dsound/primary.c b/dlls/dsound/primary.c
index 86ebba8..bed588d 100644
--- a/dlls/dsound/primary.c
+++ b/dlls/dsound/primary.c
@@ -67,6 +67,9 @@ static DWORD speaker_config_to_channel_mask(DWORD speaker_config)
case DSSPEAKER_STEREO:
case DSSPEAKER_HEADPHONE:
return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
+
+ case DSSPEAKER_QUAD:
+ return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT;
}
WARN("unknown speaker_config %u\n", speaker_config);
@@ -192,7 +195,9 @@ static DWORD DSOUND_FindSpeakerConfig(IMMDevice *mmdevice)
PropVariantClear(&pv);
IPropertyStore_Release(store);
- if ((phys_speakers & KSAUDIO_SPEAKER_STEREO) == KSAUDIO_SPEAKER_STEREO)
+ if ((phys_speakers & KSAUDIO_SPEAKER_QUAD) == KSAUDIO_SPEAKER_QUAD)
+ return DSSPEAKER_QUAD;
+ else if ((phys_speakers & KSAUDIO_SPEAKER_STEREO) == KSAUDIO_SPEAKER_STEREO)
return DSSPEAKER_COMBINED(DSSPEAKER_STEREO, DSSPEAKER_GEOMETRY_WIDE);
else if ((phys_speakers & KSAUDIO_SPEAKER_MONO) == KSAUDIO_SPEAKER_MONO)
return DSSPEAKER_MONO;
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