Changeset 178 for sbliveos2/trunk/drv16/ioctl.cpp

Timestamp:

Apr 30, 2001, 11:08:00 PM (24 years ago)

Author:

sandervl

Message:

DirectAudio interface updates

File:

• sbliveos2/trunk/drv16/ioctl.cpp (modified) (13 diffs)

sbliveos2/trunk/drv16/ioctl.cpp

@@ -53 +53 @@
 BOOL      fRecGainIOCTL90     = FALSE;
 
+int       numFreeStreams      = SBLIVECAPS_MAXSTREAMS;
+
 /**@internal
  * @param    PREQPACKET pointer to the strategy request packet
@@ -208 +210 @@
 
    if (p->usIOCtlRequest != AUDIO_CHANGE) {
-    p->sReturnCode = INVALID_REQUEST;
-    prp->usStatus |= RPERR | RPBADCMD;
-    return;
+       p->sReturnCode = INVALID_REQUEST;
+       prp->usStatus |= RPERR | RPBADCMD;
+       return;
    }
    p->sReturnCode=0;
@@ -220 +222 @@
    addr += sizeof(MCI_AUDIO_CHANGE);
    if(addr >= 0x10000UL) {
-    dprintf(("Invalid MCI_AUDIO_CHANGE pointer %lx!!", (ULONG)pAudChange));
-    p->sReturnCode = INVALID_REQUEST;
-    prp->usStatus |= RPERR | RPBADCMD;
-    return;
+       dprintf(("Invalid MCI_AUDIO_CHANGE pointer %lx!!", (ULONG)pAudChange));
+       p->sReturnCode = INVALID_REQUEST;
+       prp->usStatus |= RPERR | RPBADCMD;
+       return;
    }
    pMasterVol = (LPMCI_TRACK_INFO)pAudChange->pvDevInfo;
@@ -231 +233 @@
    addr += sizeof(MCI_TRACK_INFO);
    if(addr >= 0x10000UL) {
-    dprintf(("Invalid MCI_TRACK_INFO pointer %lx!!", (ULONG)pMasterVol));
-    p->sReturnCode = INVALID_REQUEST;
-    prp->usStatus |= RPERR | RPBADCMD;
-    return;
+       dprintf(("Invalid MCI_TRACK_INFO pointer %lx!!", (ULONG)pMasterVol));
+       p->sReturnCode = INVALID_REQUEST;
+       prp->usStatus |= RPERR | RPBADCMD;
+       return;
    }
 
    pStream = FindStream_fromFile((ULONG) prp->s.ioctl.usSysFileNum);
    if(pStream == NULL) {
-    dprintf(("IoctlAudioControl stream %lx not found!", (ULONG) prp->s.ioctl.usSysFileNum));
-    DebugInt3();
-    return;
+       dprintf(("IoctlAudioControl stream %lx not found!", (ULONG) prp->s.ioctl.usSysFileNum));
+       DebugInt3();
+       return;
    }
    if(pAudChange->lBalance != AUDIO_IGNORE)
-    pStream->SetBalance(pAudChange->lBalance);
+       pStream->SetProperty(PROPERTY_BALANCE, pAudChange->lBalance);
 
    if(pAudChange->lVolume != AUDIO_IGNORE) {
-    // stream volume ranges from 0 to 0x7FFFFFFF (linear)
-    volume = pAudChange->lVolume >> 16UL;
-    volume = (volume*100UL)/0x7FFFUL;
-    dprintf(("Set stream volume of %x to %d", prp->s.ioctl.usSysFileNum, volume));
-    pStream->SetVolume(MAKE_VOLUME_LR(volume, volume));
+       // stream volume ranges from 0 to 0x7FFFFFFF (linear)
+       volume = pAudChange->lVolume >> 16UL;
+       volume = (volume*100UL)/0x7FFFUL;
+       dprintf(("Set stream volume of %x to %d", prp->s.ioctl.usSysFileNum, volume));
+       pStream->SetProperty(PROPERTY_VOLUME, MAKE_VOLUME_LR(volume, volume));
    }
 
    if(pMasterVol && pMasterVol->usMasterVolume != AUDIO_IGNORE) {
-    // master volume ranges from 0 to 0x7FFF (linear)
-    volume = pMasterVol->usMasterVolume;
-    volume = (volume*100UL)/0x7FFFUL;
-    if(volume > 100) {
-        volume = 100;
-    }
-    dprintf(("Set mastervolume to %d", volume));
-    pStream->SetMasterVol(MAKE_VOLUME_LR(volume, volume));
+       // master volume ranges from 0 to 0x7FFF (linear)
+       volume = pMasterVol->usMasterVolume;
+       volume = (volume*100UL)/0x7FFFUL;
+       if(volume > 100) {
+           volume = 100;
+       }
+       dprintf(("Set mastervolume to %d", volume));
+       pStream->SetProperty(PROPERTY_MASTERVOL, MAKE_VOLUME_LR(volume, volume));
    }
    if(!fRecSrcIOCTL90) {
@@ -273 +275 @@
         case LEFT_LINE_INPUT:
         case RIGHT_LINE_INPUT:
-            pStream->SetInputSrc(MIX_RECSRC_LINE);
+            pStream->SetProperty(PROPERTY_INPUTSRC, MIX_RECSRC_LINE);
             break;
 
         case MIC_INPUT:
         case BOOSTED_MIC_INPUT:
-            pStream->SetInputSrc(MIX_RECSRC_MIC);
+            pStream->SetProperty(PROPERTY_INPUTSRC, MIX_RECSRC_MIC);
             break;
 
@@ -288 +290 @@
         case MIDI_IN_PORT:
 //      case LOOPBACK:
-            pStream->SetInputSrc(MIX_RECSRC_MIXER);
+            pStream->SetProperty(PROPERTY_INPUTSRC, MIX_RECSRC_MIXER);
             break;
         }
@@ -294 +296 @@
    }
    if(!fRecGainIOCTL90 && pAudChange->lGain != AUDIO_IGNORE) {
-    // input ranges from 0 to 0x7FFFFFFF (linear)
-    volume = pAudChange->lGain >> 16UL;
-    volume = (volume*100UL)/0x7FFFUL;
-    if(volume > 100) {
-        volume = 100;
-    }
-    dprintf(("Set input gain of %x to %d", prp->s.ioctl.usSysFileNum, volume));
-    pStream->SetInputGain(MAKE_VOLUME_LR(volume, volume));
+       // input ranges from 0 to 0x7FFFFFFF (linear)
+       volume = pAudChange->lGain >> 16UL;
+       volume = (volume*100UL)/0x7FFFUL;
+       if(volume > 100) {
+           volume = 100;
+       }
+       dprintf(("Set input gain of %x to %d", prp->s.ioctl.usSysFileNum, volume));
+       pStream->SetProperty(PROPERTY_INPUTGAIN, MAKE_VOLUME_LR(volume, volume));
    }
 }
@@ -418 +420 @@
         }
     }
-
+    else 
+    if(prp->s.ioctl.bCode == DAUDIO_QUERYCAPS) 
+    {
+        LPDAUDIO_CAPS lpCaps = (LPDAUDIO_CAPS) prp->s.ioctl.pvData;
+        PWAVEAUDIO pHWobj;
+
+        if(DevHelp_VerifyAccess(SELECTOROF(lpCaps), sizeof(DAUDIO_CAPS), OFFSETOF(lpCaps), VERIFY_READWRITE) ||
+           lpCaps->dwSize != sizeof(DAUDIO_CAPS))
+        {
+            dprintf(("Invalid DAUDIO_CAPS pointer %lx!!", (ULONG)lpCaps));
+            prp->usStatus |= RPERR | RPBADCMD;
+            return;
+        }
+        // get the pointer to the hardware object
+        // call DevCaps
+        // bailout if no hardware object is returned..
+        pHWobj = (PWAVEAUDIO)GetHardwareDevice(AUDIOHW_WAVE_PLAY);
+        if (pHWobj)
+        {
+            pHWobj->DevCaps(lpCaps);
+            lpCaps->dwFreeHwMixingAllBuffers       = numFreeStreams;
+            lpCaps->dwFreeHwMixingStaticBuffers    = numFreeStreams;
+            lpCaps->dwFreeHwMixingStreamingBuffers = numFreeStreams;
+            return;
+        }
+        else {
+            prp->usStatus |= RPERR;
+            return;
+        }
+    }
     PSTREAM pStream;
 
@@ -447 +478 @@
     case DAUDIO_SETVOLUME:
     {
-        pStream->SetVolume(MAKE_VOLUME_LR(pDAudioCmd->Vol.VolumeL, pDAudioCmd->Vol.VolumeR));
+        pStream->SetProperty(PROPERTY_VOLUME, MAKE_VOLUME_LR(pDAudioCmd->Vol.VolumeL, pDAudioCmd->Vol.VolumeR));
         break;
     }
 
     case DAUDIO_GETVOLUME:
-        pDAudioCmd->Vol.VolumeL = GET_VOLUME_L(pStream->GetVolume());
-        pDAudioCmd->Vol.VolumeR = GET_VOLUME_R(pStream->GetVolume());
+        pDAudioCmd->Vol.VolumeL = GET_VOLUME_L(pStream->GetProperty(PROPERTY_VOLUME));
+        pDAudioCmd->Vol.VolumeR = GET_VOLUME_R(pStream->GetProperty(PROPERTY_VOLUME));
         break;
 
     case DAUDIO_START:
-        rc = pStream->StartStream();
+        if(numFreeStreams > 0) {
+              rc = pStream->StartStream();
+              if(!rc) numFreeStreams--;
+        }
+        else  rc = 1; //fail
+
         break;
 
@@ -463 +499 @@
     {
         CONTROL_PARM cParm;
+        int          fActive = pStream->isActive();
+
         rc = pStream->StopStream(&cParm);
+        if(!rc && fActive) numFreeStreams++;
         break;
     }
@@ -480 +519 @@
     case DAUDIO_GETPOS:
         pDAudioCmd->Pos.ulCurrentPos = pStream->GetCurrentPos();
+        pDAudioCmd->Pos.ulWritePos   = pStream->GetCurrentWritePos();
         break;
 
@@ -486 +526 @@
         rc = pStream->Write((PSTREAMBUF)pDAudioCmd->Buffer.lpBuffer, pDAudioCmd->Buffer.ulBufferLength);
         break;
+    }
+
+    case DAUDIO_SETPROPERTY:
+    {
+        rc = pStream->SetProperty(pDAudioCmd->SetProperty.type, pDAudioCmd->SetProperty.value);
     }
 
@@ -506 +551 @@
     }
 
+    case DAUDIO_QUERYVERSION:
+        pDAudioCmd->Version.ulVersion = DAUDIO_VERSION;
+        break;
     }