Changeset 76857 in vbox

Timestamp:

Jan 17, 2019 1:51:22 PM (6 years ago)

Author:

vboxsync

Message:

Audio/DrvAudioCommon: Added DrvAudioHlpStreamCfgInit() and make use of it in DrvAudioHlpPCMPropsToStreamCfg().

Location:

trunk/src/VBox/Devices/Audio

Files:

• DrvAudio.h (modified) (1 diff)
• DrvAudioCommon.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Audio/DrvAudio.h

@@ -209 +209 @@
 /** @}  */
 
-/** @name Audio stream helper methods.
- * @{ */
-void DrvAudioHlpStreamCfgPrint(const PPDMAUDIOSTREAMCFG pCfg);
+/** @name Audio configuration helper methods.
+ * @{ */
+void DrvAudioHlpStreamCfgInit(PPDMAUDIOSTREAMCFG pCfg);
 bool DrvAudioHlpStreamCfgIsValid(const PPDMAUDIOSTREAMCFG pCfg);
 int DrvAudioHlpStreamCfgCopy(PPDMAUDIOSTREAMCFG pDstCfg, const PPDMAUDIOSTREAMCFG pSrcCfg);
 PPDMAUDIOSTREAMCFG DrvAudioHlpStreamCfgDup(const PPDMAUDIOSTREAMCFG pCfg);
 void DrvAudioHlpStreamCfgFree(PPDMAUDIOSTREAMCFG pCfg);
+void DrvAudioHlpStreamCfgPrint(const PPDMAUDIOSTREAMCFG pCfg);
+/** @}  */
+
+/** @name Audio stream command helper methods.
+ * @{ */
 const char *DrvAudioHlpStreamCmdToStr(PDMAUDIOSTREAMCMD enmCmd);
 /** @}  */
 
-/** @name Audio stream helper methods.
+/** @name Audio stream status helper methods.
  * @{ */
 bool DrvAudioHlpStreamStatusCanRead(PDMAUDIOSTREAMSTS enmStatus);

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

@@ -936 +936 @@
     AssertPtrReturn(pCfg,   VERR_INVALID_POINTER);
 
+    DrvAudioHlpStreamCfgInit(pCfg);
+
     memcpy(&pCfg->Props, pProps, sizeof(PDMAUDIOPCMPROPS));
     return VINF_SUCCESS;
+}
+
+/**
+ * Initializes a stream configuration with its default values.
+ *
+ * @param   pCfg                Pointer to stream to initialize.
+ */
+void DrvAudioHlpStreamCfgInit(PPDMAUDIOSTREAMCFG pCfg)
+{
+    RT_BZERO(pCfg, sizeof(PDMAUDIOSTREAMCFG));
+
+    pCfg->Backend.cfPreBuf = UINT32_MAX; /* Explicitly set to "undefined". */
 }