Changeset 73529 in vbox for trunk/src/VBox/Main/src-client/DrvAudioVRDE.cpp

Timestamp:

Aug 6, 2018 4:26:43 PM (6 years ago)

Author:

vboxsync

Message:

Audio: Changed cBits -> cBytes of PDMAUDIOPCMPROPS to avoid some unnecessary calculations (light optimization).

File:

• trunk/src/VBox/Main/src-client/DrvAudioVRDE.cpp (modified) (4 diffs)

trunk/src/VBox/Main/src-client/DrvAudioVRDE.cpp

@@ -87 +87 @@
     pCfgAcq->Props.uHz         = 22050; /* The VRDP server's internal frequency. */
     pCfgAcq->Props.cChannels   = 2;
-    pCfgAcq->Props.cBits       = 16;
+    pCfgAcq->Props.cBytes      = 2; /* 16 bit. */
     pCfgAcq->Props.fSigned     = true;
     pCfgAcq->Props.fSwapEndian = false;
-    pCfgAcq->Props.cShift      = PDMAUDIOPCMPROPS_MAKE_SHIFT_PARMS(pCfgAcq->Props.cBits, pCfgAcq->Props.cChannels);
+    pCfgAcq->Props.cShift      = PDMAUDIOPCMPROPS_MAKE_SHIFT_PARMS(pCfgAcq->Props.cBytes, pCfgAcq->Props.cChannels);
 
     /* According to the VRDP docs, the VRDP server stores audio in 200ms chunks. */
@@ -133 +133 @@
         pCfgAcq->Props.uHz       = 22050; /* The VRDP server's internal frequency. */
         pCfgAcq->Props.cChannels = 2;
-        pCfgAcq->Props.cBits     = 16;
+        pCfgAcq->Props.cBytes    = 2; /* 16 bit. */
         pCfgAcq->Props.fSigned   = true;
-        pCfgAcq->Props.cShift    = PDMAUDIOPCMPROPS_MAKE_SHIFT_PARMS(pCfgAcq->Props.cBits, pCfgAcq->Props.cChannels);
+        pCfgAcq->Props.cShift    = PDMAUDIOPCMPROPS_MAKE_SHIFT_PARMS(pCfgAcq->Props.cBytes, pCfgAcq->Props.cChannels);
 
         /* According to the VRDP docs, the VRDP server stores audio in 200ms chunks. */
@@ -174 +174 @@
                                                                DrvAudioHlpMilliToFrames(200 /* ms */, &pStreamVRDE->pCfg->Props),
                                                                pStreamVRDE->pCfg->Props.uHz, pStreamVRDE->pCfg->Props.cChannels,
-                                                               pStreamVRDE->pCfg->Props.cBits);
+                                                               pStreamVRDE->pCfg->Props.cBytes * 8 /* Bit */);
             if (rc == VERR_NOT_SUPPORTED)
             {
@@ -291 +291 @@
     VRDEAUDIOFORMAT format = VRDE_AUDIO_FMT_MAKE(pProps->uHz,
                                                  pProps->cChannels,
-                                                 pProps->cBits,
+                                                 pProps->cBytes * 8 /* Bit */,
                                                  pProps->fSigned);