1 files changed, 69 insertions, 0 deletions
diff --git a/services/audiopolicy/managerdefault/AudioOutputDescriptor.h b/services/audiopolicy/managerdefault/AudioOutputDescriptor.h
new file mode 100644
index 0000000..32f46e4
--- /dev/null
+++ b/services/audiopolicy/managerdefault/AudioOutputDescriptor.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ApmImplDefinitions.h"
+
+namespace android {
+
+// descriptor for audio outputs. Used to maintain current configuration of each opened audio output
+// and keep track of the usage of this output by each audio stream type.
+class AudioOutputDescriptor: public AudioPortConfig
+{
+public:
+    AudioOutputDescriptor(const sp<IOProfile>& profile);
+
+    status_t    dump(int fd);
+
+    audio_devices_t device() const;
+    void changeRefCount(audio_stream_type_t stream, int delta);
+
+    bool isDuplicated() const { return (mOutput1 != NULL && mOutput2 != NULL); }
+    audio_devices_t supportedDevices();
+    uint32_t latency();
+    bool sharesHwModuleWith(const sp<AudioOutputDescriptor> outputDesc);
+    bool isActive(uint32_t inPastMs = 0) const;
+    bool isStreamActive(audio_stream_type_t stream,
+                        uint32_t inPastMs = 0,
+                        nsecs_t sysTime = 0) const;
+    bool isStrategyActive(routing_strategy strategy,
+                     uint32_t inPastMs = 0,
+                     nsecs_t sysTime = 0) const;
+
+    virtual void toAudioPortConfig(struct audio_port_config *dstConfig,
+                           const struct audio_port_config *srcConfig = NULL) const;
+    virtual sp<AudioPort> getAudioPort() const { return mProfile; }
+    void toAudioPort(struct audio_port *port) const;
+
+    audio_port_handle_t mId;
+    audio_io_handle_t mIoHandle;              // output handle
+    uint32_t mLatency;                  //
+    audio_output_flags_t mFlags;   //
+    audio_devices_t mDevice;                   // current device this output is routed to
+    AudioMix *mPolicyMix;             // non NULL when used by a dynamic policy
+    audio_patch_handle_t mPatchHandle;
+    uint32_t mRefCount[AUDIO_STREAM_CNT]; // number of streams of each type using this output
+    nsecs_t mStopTime[AUDIO_STREAM_CNT];
+    sp<AudioOutputDescriptor> mOutput1;    // used by duplicated outputs: first output
+    sp<AudioOutputDescriptor> mOutput2;    // used by duplicated outputs: second output
+    float mCurVolume[AUDIO_STREAM_CNT];   // current stream volume
+    int mMuteCount[AUDIO_STREAM_CNT];     // mute request counter
+    const sp<IOProfile> mProfile;          // I/O profile this output derives from
+    bool mStrategyMutedByDevice[NUM_STRATEGIES]; // strategies muted because of incompatible
+                                        // device selection. See checkDeviceMuteStrategies()
+    uint32_t mDirectOpenCount; // number of clients using this output (direct outputs only)
+};
+
+}; // namespace android