Changeset 68898 in vbox

Timestamp:

Sep 28, 2017 8:41:40 AM (7 years ago)

Author:

vboxsync

Message:

Audio/Mixer: Added AudioMixerSinkGetFormat().

Location:

trunk/src/VBox/Devices/Audio

Files:

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

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

@@ -1319 +1319 @@
 
     audioMixerSinkReset(pSink);
+
+    rc2 = RTCritSectLeave(&pSink->CritSect);
+    AssertRC(rc2);
+}
+
+/**
+ * Returns the audio format of a mixer sink.
+ *
+ * @returns IPRT status code.
+ * @param   pSink               Sink to retrieve audio format for.
+ * @param   pPCMProps           Where to the returned audio format.
+ */
+void AudioMixerSinkGetFormat(PAUDMIXSINK pSink, PPDMAUDIOPCMPROPS pPCMProps)
+{
+    AssertPtrReturnVoid(pSink);
+    AssertPtrReturnVoid(pPCMProps);
+
+    int rc2 = RTCritSectEnter(&pSink->CritSect);
+    if (RT_FAILURE(rc2))
+        return;
+
+    memcpy(pPCMProps, &pSink->PCMProps, sizeof(PDMAUDIOPCMPROPS));
 
     rc2 = RTCritSectLeave(&pSink->CritSect);

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

@@ -235 +235 @@
 void AudioMixerSinkRemoveAllStreams(PAUDMIXSINK pSink);
 void AudioMixerSinkReset(PAUDMIXSINK pSink);
+void AudioMixerSinkGetFormat(PAUDMIXSINK pSink, PPDMAUDIOPCMPROPS pPCMProps);
 int AudioMixerSinkSetFormat(PAUDMIXSINK pSink, PPDMAUDIOPCMPROPS pPCMProps);
 int AudioMixerSinkSetVolume(PAUDMIXSINK pSink, PPDMAUDIOVOLUME pVol);