am "Merge "change the definition of signle burst" into m-wireless-wifi-dev"

[android-x86/hardware-libhardware_legacy.git] / audio / AudioHardwareInterface.cpp

diff --git a/audio/AudioHardwareInterface.cpp b/audio/AudioHardwareInterface.cpp
index 53c64b5..dbf6f33 100644 (file)
--- a/audio/AudioHardwareInterface.cpp
+++ b/audio/AudioHardwareInterface.cpp
@@ -70,6 +70,12 @@ AudioStreamOut::~AudioStreamOut()
 {
 }
 
+// default implementation is unsupported
+status_t AudioStreamOut::getNextWriteTimestamp(int64_t *timestamp)
+{
+    return INVALID_OPERATION;
+}
+
 AudioStreamIn::~AudioStreamIn() {}
 
 AudioHardwareBase::AudioHardwareBase()
@@ -122,6 +128,7 @@ size_t AudioHardwareBase::getInputBufferSize(uint32_t sampleRate, int format, in
     return 320;
 }
 
+// default implementation is unsupported
 status_t AudioHardwareBase::getMasterVolume(float *volume)
 {
     return INVALID_OPERATION;
@@ -141,6 +148,17 @@ status_t AudioHardwareBase::dumpState(int fd, const Vector<String16>& args)
     return NO_ERROR;
 }
 
+// default implementation calls its "without flags" counterpart
+AudioStreamOut* AudioHardwareInterface::openOutputStreamWithFlags(uint32_t devices,
+                                          audio_output_flags_t flags,
+                                          int *format,
+                                          uint32_t *channels,
+                                          uint32_t *sampleRate,
+                                          status_t *status)
+{
+    return openOutputStream(devices, format, channels, sampleRate, status);
+}
+
 // ----------------------------------------------------------------------------
 
 }; // namespace android