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-rw-r--r--include/media/AudioIoDescriptor.h21
-rw-r--r--include/media/AudioRecord.h34
-rw-r--r--include/media/AudioSystem.h43
-rw-r--r--include/media/AudioTrack.h35
4 files changed, 125 insertions, 8 deletions
diff --git a/include/media/AudioIoDescriptor.h b/include/media/AudioIoDescriptor.h
index 2437901..c94b738 100644
--- a/include/media/AudioIoDescriptor.h
+++ b/include/media/AudioIoDescriptor.h
@@ -33,12 +33,31 @@ enum audio_io_config_event {
class AudioIoDescriptor : public RefBase {
public:
AudioIoDescriptor() :
+ mIoHandle(AUDIO_IO_HANDLE_NONE),
mSamplingRate(0), mFormat(AUDIO_FORMAT_DEFAULT), mChannelMask(AUDIO_CHANNEL_NONE),
- mFrameCount(0), mLatency(0) {}
+ mFrameCount(0), mLatency(0)
+ {
+ memset(&mPatch, 0, sizeof(struct audio_patch));
+ }
virtual ~AudioIoDescriptor() {}
+ audio_port_handle_t getDeviceId() {
+ if (mPatch.num_sources != 0 && mPatch.num_sinks != 0) {
+ if (mPatch.sources[0].type == AUDIO_PORT_TYPE_MIX) {
+ // this is an output mix
+ // FIXME: the API only returns the first device in case of multiple device selection
+ return mPatch.sinks[0].id;
+ } else {
+ // this is an input mix
+ return mPatch.sources[0].id;
+ }
+ }
+ return AUDIO_PORT_HANDLE_NONE;
+ }
+
audio_io_handle_t mIoHandle;
+ struct audio_patch mPatch;
uint32_t mSamplingRate;
audio_format_t mFormat;
audio_channel_mask_t mChannelMask;
diff --git a/include/media/AudioRecord.h b/include/media/AudioRecord.h
index b743c11..0403e1a 100644
--- a/include/media/AudioRecord.h
+++ b/include/media/AudioRecord.h
@@ -390,6 +390,39 @@ public:
* TODO Document this method.
*/
audio_port_handle_t getInputDevice();
+
+ /* Returns the ID of the audio device actually used by the input to which this AudioRecord
+ * is attached.
+ * A value of AUDIO_PORT_HANDLE_NONE indicates the AudioRecord is not attached to any input.
+ *
+ * Parameters:
+ * none.
+ */
+ audio_port_handle_t getRoutedDeviceId();
+
+ /* Add an AudioDeviceCallback. The caller will be notified when the audio device
+ * to which this AudioRecord is routed is updated.
+ * Replaces any previously installed callback.
+ * Parameters:
+ * callback: The callback interface
+ * Returns NO_ERROR if successful.
+ * INVALID_OPERATION if the same callback is already installed.
+ * NO_INIT or PREMISSION_DENIED if AudioFlinger service is not reachable
+ * BAD_VALUE if the callback is NULL
+ */
+ status_t addAudioDeviceCallback(
+ const sp<AudioSystem::AudioDeviceCallback>& callback);
+
+ /* remove an AudioDeviceCallback.
+ * Parameters:
+ * callback: The callback interface
+ * Returns NO_ERROR if successful.
+ * INVALID_OPERATION if the callback is not installed
+ * BAD_VALUE if the callback is NULL
+ */
+ status_t removeAudioDeviceCallback(
+ const sp<AudioSystem::AudioDeviceCallback>& callback);
+
private:
/* If nonContig is non-NULL, it is an output parameter that will be set to the number of
* additional non-contiguous frames that are predicted to be available immediately,
@@ -582,6 +615,7 @@ private:
// For Device Selection API
// a value of AUDIO_PORT_HANDLE_NONE indicated default (AudioPolicyManager) routing.
audio_port_handle_t mSelectedDeviceId;
+ sp<AudioSystem::AudioDeviceCallback> mDeviceCallback;
};
}; // namespace android
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 0cbcdb1..3241e9c 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -332,8 +332,26 @@ public:
};
- static status_t addAudioPortCallback(const sp<AudioPortCallback>& callBack);
- static status_t removeAudioPortCallback(const sp<AudioPortCallback>& callBack);
+ static status_t addAudioPortCallback(const sp<AudioPortCallback>& callback);
+ static status_t removeAudioPortCallback(const sp<AudioPortCallback>& callback);
+
+ class AudioDeviceCallback : public RefBase
+ {
+ public:
+
+ AudioDeviceCallback() {}
+ virtual ~AudioDeviceCallback() {}
+
+ virtual void onAudioDeviceUpdate(audio_io_handle_t audioIo,
+ audio_port_handle_t deviceId) = 0;
+ };
+
+ static status_t addAudioDeviceCallback(const sp<AudioDeviceCallback>& callback,
+ audio_io_handle_t audioIo);
+ static status_t removeAudioDeviceCallback(const sp<AudioDeviceCallback>& callback,
+ audio_io_handle_t audioIo);
+
+ static audio_port_handle_t getDeviceIdForIo(audio_io_handle_t audioIo);
private:
@@ -359,10 +377,20 @@ private:
// values for output/input parameters up-to-date in client process
virtual void ioConfigChanged(audio_io_config_event event,
const sp<AudioIoDescriptor>& ioDesc);
+
+
+ status_t addAudioDeviceCallback(const sp<AudioDeviceCallback>& callback,
+ audio_io_handle_t audioIo);
+ status_t removeAudioDeviceCallback(const sp<AudioDeviceCallback>& callback,
+ audio_io_handle_t audioIo);
+
+ audio_port_handle_t getDeviceIdForIo(audio_io_handle_t audioIo);
+
private:
Mutex mLock;
- DefaultKeyedVector<audio_io_handle_t, sp<AudioIoDescriptor> > mIoDescriptors;
-
+ DefaultKeyedVector<audio_io_handle_t, sp<AudioIoDescriptor> > mIoDescriptors;
+ DefaultKeyedVector<audio_io_handle_t, Vector < sp<AudioDeviceCallback> > >
+ mAudioDeviceCallbacks;
// cached values for recording getInputBufferSize() queries
size_t mInBuffSize; // zero indicates cache is invalid
uint32_t mInSamplingRate;
@@ -377,8 +405,8 @@ private:
AudioPolicyServiceClient() {
}
- status_t addAudioPortCallback(const sp<AudioPortCallback>& callBack);
- status_t removeAudioPortCallback(const sp<AudioPortCallback>& callBack);
+ status_t addAudioPortCallback(const sp<AudioPortCallback>& callback);
+ status_t removeAudioPortCallback(const sp<AudioPortCallback>& callback);
// DeathRecipient
virtual void binderDied(const wp<IBinder>& who);
@@ -393,6 +421,9 @@ private:
Vector <sp <AudioPortCallback> > mAudioPortCallbacks;
};
+ static const sp<AudioFlingerClient> getAudioFlingerClient();
+ static sp<AudioIoDescriptor> getIoDescriptor(audio_io_handle_t ioHandle);
+
static sp<AudioFlingerClient> gAudioFlingerClient;
static sp<AudioPolicyServiceClient> gAudioPolicyServiceClient;
friend class AudioFlingerClient;
diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h
index 0ccd19e..458f4b4 100644
--- a/include/media/AudioTrack.h
+++ b/include/media/AudioTrack.h
@@ -510,7 +510,7 @@ public:
*/
status_t setOutputDevice(audio_port_handle_t deviceId);
- /* Returns the ID of the audio device used for output of this AudioTrack.
+ /* Returns the ID of the audio device selected for this AudioTrack.
* A value of AUDIO_PORT_HANDLE_NONE indicates default (AudioPolicyManager) routing.
*
* Parameters:
@@ -518,6 +518,15 @@ public:
*/
audio_port_handle_t getOutputDevice();
+ /* Returns the ID of the audio device actually used by the output to which this AudioTrack is
+ * attached.
+ * A value of AUDIO_PORT_HANDLE_NONE indicates the audio track is not attached to any output.
+ *
+ * Parameters:
+ * none.
+ */
+ audio_port_handle_t getRoutedDeviceId();
+
/* Returns the unique session ID associated with this track.
*
* Parameters:
@@ -664,6 +673,28 @@ public:
*/
status_t getTimestamp(AudioTimestamp& timestamp);
+ /* Add an AudioDeviceCallback. The caller will be notified when the audio device to which this
+ * AudioTrack is routed is updated.
+ * Replaces any previously installed callback.
+ * Parameters:
+ * callback: The callback interface
+ * Returns NO_ERROR if successful.
+ * INVALID_OPERATION if the same callback is already installed.
+ * NO_INIT or PREMISSION_DENIED if AudioFlinger service is not reachable
+ * BAD_VALUE if the callback is NULL
+ */
+ status_t addAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback);
+
+ /* remove an AudioDeviceCallback.
+ * Parameters:
+ * callback: The callback interface
+ * Returns NO_ERROR if successful.
+ * INVALID_OPERATION if the callback is not installed
+ * BAD_VALUE if the callback is NULL
+ */
+ status_t removeAudioDeviceCallback(
+ const sp<AudioSystem::AudioDeviceCallback>& callback);
+
protected:
/* copying audio tracks is not allowed */
AudioTrack(const AudioTrack& other);
@@ -885,6 +916,8 @@ private:
uint32_t mSequence; // incremented for each new IAudioTrack attempt
int mClientUid;
pid_t mClientPid;
+
+ sp<AudioSystem::AudioDeviceCallback> mDeviceCallback;
};
class TimedAudioTrack : public AudioTrack
generated by cgit v1.1 at 2024-05-19 22:39:04 +0000