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6.1 uses front- and back-center, not left- and right-back channels

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This commit is contained in:
Chris Robinson
2009-01-24 15:13:14 -08:00
parent aaf2c0ebd4
commit 98e86decad
2 changed files with 57 additions and 66 deletions
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Alc/ALu.c
+55 -65
View File
@@ -312,7 +312,7 @@ ALvoid aluInitPanning(ALCcontext *Context)
Context->NumChan = 5;
Speaker2Chan[0] = BACK_LEFT;
Speaker2Chan[1] = FRONT_LEFT;
Speaker2Chan[2] = CENTER;
Speaker2Chan[2] = FRONT_CENTER;
Speaker2Chan[3] = FRONT_RIGHT;
Speaker2Chan[4] = BACK_RIGHT;
SpeakerAngle[0] = -110.0f * M_PI/180.0f;
@@ -326,18 +326,18 @@ ALvoid aluInitPanning(ALCcontext *Context)
case AL_FORMAT_61CHN16:
case AL_FORMAT_61CHN32:
Context->NumChan = 6;
Speaker2Chan[0] = BACK_LEFT;
Speaker2Chan[1] = SIDE_LEFT;
Speaker2Chan[2] = FRONT_LEFT;
Speaker2Chan[0] = SIDE_LEFT;
Speaker2Chan[1] = FRONT_LEFT;
Speaker2Chan[2] = FRONT_CENTER;
Speaker2Chan[3] = FRONT_RIGHT;
Speaker2Chan[4] = SIDE_RIGHT;
Speaker2Chan[5] = BACK_RIGHT;
SpeakerAngle[0] = -150.0f * M_PI/180.0f;
SpeakerAngle[1] = -90.0f * M_PI/180.0f;
SpeakerAngle[2] = -30.0f * M_PI/180.0f;
SpeakerAngle[3] = 30.0f * M_PI/180.0f;
SpeakerAngle[4] = 90.0f * M_PI/180.0f;
SpeakerAngle[5] = 150.0f * M_PI/180.0f;
Speaker2Chan[5] = BACK_CENTER;
SpeakerAngle[0] = -90.0f * M_PI/180.0f;
SpeakerAngle[1] = -30.0f * M_PI/180.0f;
SpeakerAngle[2] = 0.0f * M_PI/180.0f;
SpeakerAngle[3] = 30.0f * M_PI/180.0f;
SpeakerAngle[4] = 90.0f * M_PI/180.0f;
SpeakerAngle[5] = 180.0f * M_PI/180.0f;
break;
case AL_FORMAT_71CHN8:
@@ -347,7 +347,7 @@ ALvoid aluInitPanning(ALCcontext *Context)
Speaker2Chan[0] = BACK_LEFT;
Speaker2Chan[1] = SIDE_LEFT;
Speaker2Chan[2] = FRONT_LEFT;
Speaker2Chan[3] = CENTER;
Speaker2Chan[3] = FRONT_CENTER;
Speaker2Chan[4] = FRONT_RIGHT;
Speaker2Chan[5] = SIDE_RIGHT;
Speaker2Chan[6] = BACK_RIGHT;
@@ -748,15 +748,16 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
break;
}
drysend[FRONT_LEFT] = DryMix * ListenerGain;
drysend[FRONT_RIGHT] = DryMix * ListenerGain;
drysend[SIDE_LEFT] = DryMix * ListenerGain;
drysend[SIDE_RIGHT] = DryMix * ListenerGain;
drysend[BACK_LEFT] = DryMix * ListenerGain;
drysend[BACK_RIGHT] = DryMix * ListenerGain;
drysend[CENTER] = DryMix * ListenerGain;
drysend[LFE] = DryMix * ListenerGain;
*wetsend = 0.0f;
drysend[FRONT_LEFT] = DryMix * ListenerGain;
drysend[FRONT_RIGHT] = DryMix * ListenerGain;
drysend[SIDE_LEFT] = DryMix * ListenerGain;
drysend[SIDE_RIGHT] = DryMix * ListenerGain;
drysend[BACK_LEFT] = DryMix * ListenerGain;
drysend[BACK_RIGHT] = DryMix * ListenerGain;
drysend[FRONT_CENTER] = DryMix * ListenerGain;
drysend[BACK_CENTER] = DryMix * ListenerGain;
drysend[LFE] = DryMix * ListenerGain;
*wetsend = 0.0f;
cw = cos(2.0f*3.141592654f * LOWPASSFREQCUTOFF / ALContext->Frequency);
g = __max(DryGainHF, 0.01f);
@@ -973,13 +974,14 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
//Direct path final mix buffer and panning
outsamp = lpFilter(DryFilter, value);
DryBuffer[j][FRONT_LEFT] += outsamp*DrySend[FRONT_LEFT];
DryBuffer[j][FRONT_RIGHT] += outsamp*DrySend[FRONT_RIGHT];
DryBuffer[j][SIDE_LEFT] += outsamp*DrySend[SIDE_LEFT];
DryBuffer[j][SIDE_RIGHT] += outsamp*DrySend[SIDE_RIGHT];
DryBuffer[j][BACK_LEFT] += outsamp*DrySend[BACK_LEFT];
DryBuffer[j][BACK_RIGHT] += outsamp*DrySend[BACK_RIGHT];
DryBuffer[j][CENTER] += outsamp*DrySend[CENTER];
DryBuffer[j][FRONT_LEFT] += outsamp*DrySend[FRONT_LEFT];
DryBuffer[j][FRONT_RIGHT] += outsamp*DrySend[FRONT_RIGHT];
DryBuffer[j][SIDE_LEFT] += outsamp*DrySend[SIDE_LEFT];
DryBuffer[j][SIDE_RIGHT] += outsamp*DrySend[SIDE_RIGHT];
DryBuffer[j][BACK_LEFT] += outsamp*DrySend[BACK_LEFT];
DryBuffer[j][BACK_RIGHT] += outsamp*DrySend[BACK_RIGHT];
DryBuffer[j][FRONT_CENTER] += outsamp*DrySend[FRONT_CENTER];
DryBuffer[j][BACK_CENTER] += outsamp*DrySend[BACK_CENTER];
//Room path final mix buffer and panning
outsamp = lpFilter(WetFilter, value);
@@ -1054,9 +1056,9 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
else if(Channels == 6) /* 5.1 */
{
const int chans[] = {
FRONT_LEFT, FRONT_RIGHT,
CENTER, LFE,
BACK_LEFT, BACK_RIGHT
FRONT_LEFT, FRONT_RIGHT,
FRONT_CENTER, LFE,
BACK_LEFT, BACK_RIGHT
};
DO_MIX();
@@ -1064,10 +1066,10 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
else if(Channels == 7) /* 6.1 */
{
const int chans[] = {
FRONT_LEFT, FRONT_RIGHT,
LFE,
BACK_LEFT, BACK_RIGHT,
SIDE_LEFT, SIDE_RIGHT
FRONT_LEFT, FRONT_RIGHT,
FRONT_CENTER, LFE,
BACK_CENTER,
SIDE_LEFT, SIDE_RIGHT
};
DO_MIX();
@@ -1075,10 +1077,10 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
else if(Channels == 8) /* 7.1 */
{
const int chans[] = {
FRONT_LEFT, FRONT_RIGHT,
CENTER, LFE,
BACK_LEFT, BACK_RIGHT,
SIDE_LEFT, SIDE_RIGHT
FRONT_LEFT, FRONT_RIGHT,
FRONT_CENTER, LFE,
BACK_LEFT, BACK_RIGHT,
SIDE_LEFT, SIDE_RIGHT
};
DO_MIX();
@@ -1240,14 +1242,14 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
((ALubyte*)buffer)[0] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_LEFT])>>8)+128);
((ALubyte*)buffer)[1] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_RIGHT])>>8)+128);
#ifdef _WIN32 /* Of course, Windows can't use the same ordering... */
((ALubyte*)buffer)[2] = (ALubyte)((aluF2S(DryBuffer[i][CENTER])>>8)+128);
((ALubyte*)buffer)[2] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_CENTER])>>8)+128);
((ALubyte*)buffer)[3] = (ALubyte)((aluF2S(DryBuffer[i][LFE])>>8)+128);
((ALubyte*)buffer)[4] = (ALubyte)((aluF2S(DryBuffer[i][BACK_LEFT])>>8)+128);
((ALubyte*)buffer)[5] = (ALubyte)((aluF2S(DryBuffer[i][BACK_RIGHT])>>8)+128);
#else
((ALubyte*)buffer)[2] = (ALubyte)((aluF2S(DryBuffer[i][BACK_LEFT])>>8)+128);
((ALubyte*)buffer)[3] = (ALubyte)((aluF2S(DryBuffer[i][BACK_RIGHT])>>8)+128);
((ALubyte*)buffer)[4] = (ALubyte)((aluF2S(DryBuffer[i][CENTER])>>8)+128);
((ALubyte*)buffer)[4] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_CENTER])>>8)+128);
((ALubyte*)buffer)[5] = (ALubyte)((aluF2S(DryBuffer[i][LFE])>>8)+128);
#endif
buffer = ((ALubyte*)buffer) + 6;
@@ -1258,15 +1260,9 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
{
((ALubyte*)buffer)[0] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_LEFT])>>8)+128);
((ALubyte*)buffer)[1] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_RIGHT])>>8)+128);
#ifdef _WIN32
((ALubyte*)buffer)[2] = (ALubyte)((aluF2S(DryBuffer[i][LFE])>>8)+128);
((ALubyte*)buffer)[3] = (ALubyte)((aluF2S(DryBuffer[i][BACK_LEFT])>>8)+128);
((ALubyte*)buffer)[4] = (ALubyte)((aluF2S(DryBuffer[i][BACK_RIGHT])>>8)+128);
#else
((ALubyte*)buffer)[2] = (ALubyte)((aluF2S(DryBuffer[i][BACK_LEFT])>>8)+128);
((ALubyte*)buffer)[3] = (ALubyte)((aluF2S(DryBuffer[i][BACK_RIGHT])>>8)+128);
((ALubyte*)buffer)[4] = (ALubyte)((aluF2S(DryBuffer[i][LFE])>>8)+128);
#endif
((ALubyte*)buffer)[2] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_CENTER])>>8)+128);
((ALubyte*)buffer)[3] = (ALubyte)((aluF2S(DryBuffer[i][LFE])>>8)+128);
((ALubyte*)buffer)[4] = (ALubyte)((aluF2S(DryBuffer[i][BACK_CENTER])>>8)+128);
((ALubyte*)buffer)[5] = (ALubyte)((aluF2S(DryBuffer[i][SIDE_LEFT])>>8)+128);
((ALubyte*)buffer)[6] = (ALubyte)((aluF2S(DryBuffer[i][SIDE_RIGHT])>>8)+128);
buffer = ((ALubyte*)buffer) + 7;
@@ -1278,14 +1274,14 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
((ALubyte*)buffer)[0] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_LEFT])>>8)+128);
((ALubyte*)buffer)[1] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_RIGHT])>>8)+128);
#ifdef _WIN32
((ALubyte*)buffer)[2] = (ALubyte)((aluF2S(DryBuffer[i][CENTER])>>8)+128);
((ALubyte*)buffer)[2] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_CENTER])>>8)+128);
((ALubyte*)buffer)[3] = (ALubyte)((aluF2S(DryBuffer[i][LFE])>>8)+128);
((ALubyte*)buffer)[4] = (ALubyte)((aluF2S(DryBuffer[i][BACK_LEFT])>>8)+128);
((ALubyte*)buffer)[5] = (ALubyte)((aluF2S(DryBuffer[i][BACK_RIGHT])>>8)+128);
#else
((ALubyte*)buffer)[2] = (ALubyte)((aluF2S(DryBuffer[i][BACK_LEFT])>>8)+128);
((ALubyte*)buffer)[3] = (ALubyte)((aluF2S(DryBuffer[i][BACK_RIGHT])>>8)+128);
((ALubyte*)buffer)[4] = (ALubyte)((aluF2S(DryBuffer[i][CENTER])>>8)+128);
((ALubyte*)buffer)[4] = (ALubyte)((aluF2S(DryBuffer[i][FRONT_CENTER])>>8)+128);
((ALubyte*)buffer)[5] = (ALubyte)((aluF2S(DryBuffer[i][LFE])>>8)+128);
#endif
((ALubyte*)buffer)[6] = (ALubyte)((aluF2S(DryBuffer[i][SIDE_LEFT])>>8)+128);
@@ -1341,14 +1337,14 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
((ALshort*)buffer)[0] = aluF2S(DryBuffer[i][FRONT_LEFT]);
((ALshort*)buffer)[1] = aluF2S(DryBuffer[i][FRONT_RIGHT]);
#ifdef _WIN32
((ALshort*)buffer)[2] = aluF2S(DryBuffer[i][CENTER]);
((ALshort*)buffer)[2] = aluF2S(DryBuffer[i][FRONT_CENTER]);
((ALshort*)buffer)[3] = aluF2S(DryBuffer[i][LFE]);
((ALshort*)buffer)[4] = aluF2S(DryBuffer[i][BACK_LEFT]);
((ALshort*)buffer)[5] = aluF2S(DryBuffer[i][BACK_RIGHT]);
#else
((ALshort*)buffer)[2] = aluF2S(DryBuffer[i][BACK_LEFT]);
((ALshort*)buffer)[3] = aluF2S(DryBuffer[i][BACK_RIGHT]);
((ALshort*)buffer)[4] = aluF2S(DryBuffer[i][CENTER]);
((ALshort*)buffer)[4] = aluF2S(DryBuffer[i][FRONT_CENTER]);
((ALshort*)buffer)[5] = aluF2S(DryBuffer[i][LFE]);
#endif
buffer = ((ALshort*)buffer) + 6;
@@ -1359,15 +1355,9 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
{
((ALshort*)buffer)[0] = aluF2S(DryBuffer[i][FRONT_LEFT]);
((ALshort*)buffer)[1] = aluF2S(DryBuffer[i][FRONT_RIGHT]);
#ifdef _WIN32
((ALshort*)buffer)[2] = aluF2S(DryBuffer[i][LFE]);
((ALshort*)buffer)[3] = aluF2S(DryBuffer[i][BACK_LEFT]);
((ALshort*)buffer)[4] = aluF2S(DryBuffer[i][BACK_RIGHT]);
#else
((ALshort*)buffer)[2] = aluF2S(DryBuffer[i][BACK_LEFT]);
((ALshort*)buffer)[3] = aluF2S(DryBuffer[i][BACK_RIGHT]);
((ALshort*)buffer)[4] = aluF2S(DryBuffer[i][LFE]);
#endif
((ALshort*)buffer)[2] = aluF2S(DryBuffer[i][FRONT_CENTER]);
((ALshort*)buffer)[3] = aluF2S(DryBuffer[i][LFE]);
((ALshort*)buffer)[4] = aluF2S(DryBuffer[i][BACK_CENTER]);
((ALshort*)buffer)[5] = aluF2S(DryBuffer[i][SIDE_LEFT]);
((ALshort*)buffer)[6] = aluF2S(DryBuffer[i][SIDE_RIGHT]);
buffer = ((ALshort*)buffer) + 7;
@@ -1379,14 +1369,14 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
((ALshort*)buffer)[0] = aluF2S(DryBuffer[i][FRONT_LEFT]);
((ALshort*)buffer)[1] = aluF2S(DryBuffer[i][FRONT_RIGHT]);
#ifdef _WIN32
((ALshort*)buffer)[2] = aluF2S(DryBuffer[i][CENTER]);
((ALshort*)buffer)[2] = aluF2S(DryBuffer[i][FRONT_CENTER]);
((ALshort*)buffer)[3] = aluF2S(DryBuffer[i][LFE]);
((ALshort*)buffer)[4] = aluF2S(DryBuffer[i][BACK_LEFT]);
((ALshort*)buffer)[5] = aluF2S(DryBuffer[i][BACK_RIGHT]);
#else
((ALshort*)buffer)[2] = aluF2S(DryBuffer[i][BACK_LEFT]);
((ALshort*)buffer)[3] = aluF2S(DryBuffer[i][BACK_RIGHT]);
((ALshort*)buffer)[4] = aluF2S(DryBuffer[i][CENTER]);
((ALshort*)buffer)[4] = aluF2S(DryBuffer[i][FRONT_CENTER]);
((ALshort*)buffer)[5] = aluF2S(DryBuffer[i][LFE]);
#endif
((ALshort*)buffer)[6] = aluF2S(DryBuffer[i][SIDE_LEFT]);
OpenAL32/Include/alu.h
+2 -1
View File
@@ -11,11 +11,12 @@ extern "C" {
enum {
FRONT_LEFT = 0,
FRONT_RIGHT,
FRONT_CENTER,
SIDE_LEFT,
SIDE_RIGHT,
BACK_LEFT,
BACK_RIGHT,
CENTER,
BACK_CENTER,
LFE,
OUTPUTCHANNELS