Changeset 65762 in vbox

Timestamp:

Feb 13, 2017 12:26:29 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

113477

Message:

Audio/DrvHostCoreAudio.cpp: Use circular buffer for drvHostCoreAudioStreamGetReadable() / drvHostCoreAudioStreamGetWritable().

File:

• trunk/src/VBox/Devices/Audio/DrvHostCoreAudio.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Audio/DrvHostCoreAudio.cpp

@@ -2422 +2422 @@
     PCOREAUDIOSTREAM pCAStream = (PCOREAUDIOSTREAM)pStream;
 
-    return   (ASMAtomicReadU32(&pCAStream->enmStatus) == COREAUDIOSTATUS_INIT)
-           ? UINT32_MAX : 0;
+    if (ASMAtomicReadU32(&pCAStream->enmStatus) != COREAUDIOSTATUS_INIT)
+        return 0;
+
+    AssertPtr(pCAStream->pCfg);
+    AssertPtr(pCAStream->pCircBuf);
+
+    switch (pCAStream->pCfg->enmDir)
+    {
+        case PDMAUDIODIR_IN:
+            return (uint32_t)RTCircBufUsed(pCAStream->pCircBuf);
+
+        case PDMAUDIODIR_OUT:
+        default:
+            AssertFailed();
+            break;
+    }
+
+    return 0;
 }
 
@@ -2437 +2453 @@
     PCOREAUDIOSTREAM pCAStream = (PCOREAUDIOSTREAM)pStream;
 
-    return   (ASMAtomicReadU32(&pCAStream->enmStatus) == COREAUDIOSTATUS_INIT)
-           ? UINT32_MAX : 0;
+    if (ASMAtomicReadU32(&pCAStream->enmStatus) != COREAUDIOSTATUS_INIT)
+        return 0;
+
+    AssertPtr(pCAStream->pCfg);
+    AssertPtr(pCAStream->pCircBuf);
+
+    switch (pCAStream->pCfg->enmDir)
+    {
+        case PDMAUDIODIR_OUT:
+            return (uint32_t)RTCircBufFree(pCAStream->pCircBuf);
+
+        case PDMAUDIODIR_IN:
+        default:
+            AssertFailed();
+            break;
+    }
+
+    return 0;
 }