Changeset 67530 in vbox

Timestamp:

Jun 21, 2017 8:58:45 AM (8 years ago)

Author:

vboxsync

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

116270

Message:

HDAStreamPeriod: Added hdaStreamPeriodPause() / hdaStreamPeriodResume().

Location:

trunk/src/VBox/Devices/Audio

Files:

• HDAStreamPeriod.cpp (modified) (1 diff)
• HDAStreamPeriod.h (modified) (1 diff)

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

@@ -179 +179 @@
 
     pPeriod->fStatus &= ~HDASTREAMPERIOD_FLAG_ACTIVE;
+}
+
+/**
+ * Pauses a period. All values remain intact.
+ *
+ * @param   pPeriod             Stream period to pause.
+ */
+void hdaStreamPeriodPause(PHDASTREAMPERIOD pPeriod)
+{
+    AssertMsg((pPeriod->fStatus & HDASTREAMPERIOD_FLAG_ACTIVE), ("Period %p already in inactive state\n", pPeriod));
+
+    pPeriod->fStatus &= ~HDASTREAMPERIOD_FLAG_ACTIVE;
+
+    Log3Func(("[SD%RU8]\n", pPeriod->u8SD));
+}
+
+/**
+ * Resumes a formerly paused period.
+ *
+ * @param   pPeriod             Stream period to resume.
+ */
+void hdaStreamPeriodResume(PHDASTREAMPERIOD pPeriod)
+{
+    AssertMsg(!(pPeriod->fStatus & HDASTREAMPERIOD_FLAG_ACTIVE), ("Period %p already in active state\n", pPeriod));
+
+    pPeriod->fStatus |= HDASTREAMPERIOD_FLAG_ACTIVE;
+
+    Log3Func(("[SD%RU8]\n", pPeriod->u8SD));
 }
 

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

@@ -89 +89 @@
 int      hdaStreamPeriodBegin(PHDASTREAMPERIOD pPeriod, uint64_t u64WalClk);
 void     hdaStreamPeriodEnd(PHDASTREAMPERIOD pPeriod);
+void     hdaStreamPeriodPause(PHDASTREAMPERIOD pPeriod);
+void     hdaStreamPeriodResume(PHDASTREAMPERIOD pPeriod);
 bool     hdaStreamPeriodLock(PHDASTREAMPERIOD pPeriod);
 void     hdaStreamPeriodUnlock(PHDASTREAMPERIOD pPeriod);