Changeset 73429 in vbox for trunk/src

Timestamp:

Aug 1, 2018 2:47:53 PM (6 years ago)

Author:

vboxsync

Message:

Audio/Common: Added DrvAudioHlpStreamStatusCanRead() and DrvAudioHlpStreamStatusCanWrite().

Location:

trunk/src/VBox/Devices/Audio

Files:

• DrvAudio.h (modified) (1 diff)
• DrvAudioCommon.cpp (modified) (2 diffs)

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

@@ -220 +220 @@
 /** @name Audio stream helper methods.
  * @{ */
+bool DrvAudioHlpStreamStatusCanRead(PDMAUDIOSTREAMSTS enmStatus);
+bool DrvAudioHlpStreamStatusCanWrite(PDMAUDIOSTREAMSTS enmStatus);
 bool DrvAudioHlpStreamStatusIsReady(PDMAUDIOSTREAMSTS enmStatus);
 /** @}  */

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

@@ -1033 +1033 @@
 
 /**
- * Returns @c true if the given stream status indicates a ready-to-operate stream,
+ * Returns @c true if the given stream status indicates a can-be-read-from stream,
  * @c false if not.
  *
- * @returns @c true if ready to operate, @c if not.
+ * @returns @c true if ready to be read from, @c if not.
  * @param   enmStatus           Stream status to evaluate.
  */
-bool DrvAudioHlpStreamStatusIsReady(PDMAUDIOSTREAMSTS enmStatus)
+bool DrvAudioHlpStreamStatusCanRead(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_REINIT);
+}
+
+/**
+ * Returns @c true if the given stream status indicates a can-be-written-to stream,
+ * @c false if not.
+ *
+ * @returns @c true if ready to be written to, @c if not.
+ * @param   enmStatus           Stream status to evaluate.
+ */
+bool DrvAudioHlpStreamStatusCanWrite(PDMAUDIOSTREAMSTS enmStatus)
 {
     AssertReturn(enmStatus & PDMAUDIOSTREAMSTS_VALID_MASK, false);
@@ -1047 +1064 @@
            && !(enmStatus & PDMAUDIOSTREAMSTS_FLAG_PAUSED)
            && !(enmStatus & PDMAUDIOSTREAMSTS_FLAG_PENDING_DISABLE)
+           && !(enmStatus & PDMAUDIOSTREAMSTS_FLAG_PENDING_REINIT);
+}
+
+/**
+ * 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_PENDING_REINIT);
 }