Changeset 73423 in vbox for trunk/src/VBox/Devices

Timestamp:

Aug 1, 2018 1:53:18 PM (6 years ago)

Author:

vboxsync

Message:

Audio/Common: Added DrvAudioHlpStreamStatusIsReady().

Location:

trunk/src/VBox/Devices/Audio

Files:

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

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

@@ -218 +218 @@
 /** @}  */
 
+/** @name Audio stream helper methods.
+ * @{ */
+bool DrvAudioHlpStreamStatusIsReady(PDMAUDIOSTREAMSTS enmStatus);
+/** @}  */
+
 /** @name Audio file (name) helper methods.
  * @{ */

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

@@ -1030 +1030 @@
     AssertMsgFailed(("Invalid stream command %ld\n", enmCmd));
     return "Unknown";
+}
+
+/**
+ * Returns @c true if the given stream status indicates a ready-to-operate stream,
+ * @c false if not.
+ *
+ * @returns @c true if ready to operate, @c if not.
+ * @param   enmStatus           Stream status to evaluate.
+ */
+bool DrvAudioHlpStreamStatusIsReady(PDMAUDIOSTREAMSTS enmStatus)
+{
+    AssertReturn(enmStatus & PDMAUDIOSTREAMSTS_VALID_MASK, false);
+
+    return      enmStatus & PDMAUDIOSTREAMSTS_FLAG_INITIALIZED
+           &&   enmStatus & PDMAUDIOSTREAMSTS_FLAG_ENABLED
+           && !(enmStatus & PDMAUDIOSTREAMSTS_FLAG_PAUSED)
+           && !(enmStatus & PDMAUDIOSTREAMSTS_FLAG_PENDING_DISABLE)
+           && !(enmStatus & PDMAUDIOSTREAMSTS_FLAG_PENDING_REINIT);
 }