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-rw-r--r--include/media/AudioSystem.h27
-rw-r--r--include/media/EffectApi.h2
-rw-r--r--include/media/IAudioFlinger.h2
-rw-r--r--include/media/IAudioPolicyService.h16
-rw-r--r--include/media/stagefright/AudioPlayer.h4
5 files changed, 46 insertions, 5 deletions
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 194f23a..9fd905f 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -168,6 +168,15 @@ public:
TX_DISABLE = 0
};
+ // special audio session values
+ enum audio_sessions {
+ SESSION_OUTPUT_STAGE = -1, // session for effects attached to a particular output stream
+ // (value must be less than 0)
+ SESSION_OUTPUT_MIX = 0, // session for effects applied to output mix. These effects can
+ // be moved by audio policy manager to another output stream
+ // (value must be 0)
+ };
+
/* These are static methods to control the system-wide AudioFlinger
* only privileged processes can have access to them
*/
@@ -353,8 +362,12 @@ public:
uint32_t format = FORMAT_DEFAULT,
uint32_t channels = CHANNEL_OUT_STEREO,
output_flags flags = OUTPUT_FLAG_INDIRECT);
- static status_t startOutput(audio_io_handle_t output, AudioSystem::stream_type stream);
- static status_t stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream);
+ static status_t startOutput(audio_io_handle_t output,
+ AudioSystem::stream_type stream,
+ int session = 0);
+ static status_t stopOutput(audio_io_handle_t output,
+ AudioSystem::stream_type stream,
+ int session = 0);
static void releaseOutput(audio_io_handle_t output);
static audio_io_handle_t getInput(int inputSource,
uint32_t samplingRate = 0,
@@ -370,6 +383,16 @@ public:
static status_t setStreamVolumeIndex(stream_type stream, int index);
static status_t getStreamVolumeIndex(stream_type stream, int *index);
+ static uint32_t getStrategyForStream(stream_type stream);
+
+ static audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc);
+ static status_t registerEffect(effect_descriptor_t *desc,
+ audio_io_handle_t output,
+ uint32_t strategy,
+ int session,
+ int id);
+ static status_t unregisterEffect(int id);
+
static const sp<IAudioPolicyService>& get_audio_policy_service();
// ----------------------------------------------------------------------------
diff --git a/include/media/EffectApi.h b/include/media/EffectApi.h
index 9f3d0b6..8c120e5 100644
--- a/include/media/EffectApi.h
+++ b/include/media/EffectApi.h
@@ -455,7 +455,7 @@ enum effect_command_e {
//--------------------------------------------------------------------------------------------------
// description:
// Set and get volume. Used by audio framework to delegate volume control to effect engine.
-// The effect implementation must set EFFECT_FLAG_VOLUME_IND and/or EFFECT_FLAG_VOLUME_CTRL flag in
+// The effect implementation must set EFFECT_FLAG_VOLUME_IND or EFFECT_FLAG_VOLUME_CTRL flag in
// its descriptor to receive this command before every call to process() function
// If EFFECT_FLAG_VOLUME_CTRL flag is set in the effect descriptor, the effect engine must return
// the volume that should be applied before the effect is processed. The overall volume (the volume
diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h
index 5814fd6..70e505e 100644
--- a/include/media/IAudioFlinger.h
+++ b/include/media/IAudioFlinger.h
@@ -161,6 +161,8 @@ public:
status_t *status,
int *id,
int *enabled) = 0;
+
+ virtual status_t moveEffects(int session, int srcOutput, int dstOutput) = 0;
};
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index 4804bbd..49eee59 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -53,8 +53,12 @@ public:
uint32_t format = AudioSystem::FORMAT_DEFAULT,
uint32_t channels = 0,
AudioSystem::output_flags flags = AudioSystem::OUTPUT_FLAG_INDIRECT) = 0;
- virtual status_t startOutput(audio_io_handle_t output, AudioSystem::stream_type stream) = 0;
- virtual status_t stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream) = 0;
+ virtual status_t startOutput(audio_io_handle_t output,
+ AudioSystem::stream_type stream,
+ int session = 0) = 0;
+ virtual status_t stopOutput(audio_io_handle_t output,
+ AudioSystem::stream_type stream,
+ int session = 0) = 0;
virtual void releaseOutput(audio_io_handle_t output) = 0;
virtual audio_io_handle_t getInput(int inputSource,
uint32_t samplingRate = 0,
@@ -69,6 +73,14 @@ public:
int indexMax) = 0;
virtual status_t setStreamVolumeIndex(AudioSystem::stream_type stream, int index) = 0;
virtual status_t getStreamVolumeIndex(AudioSystem::stream_type stream, int *index) = 0;
+ virtual uint32_t getStrategyForStream(AudioSystem::stream_type stream) = 0;
+ virtual audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc) = 0;
+ virtual status_t registerEffect(effect_descriptor_t *desc,
+ audio_io_handle_t output,
+ uint32_t strategy,
+ int session,
+ int id) = 0;
+ virtual status_t unregisterEffect(int id) = 0;
};
diff --git a/include/media/stagefright/AudioPlayer.h b/include/media/stagefright/AudioPlayer.h
index 9af5871..9a09586 100644
--- a/include/media/stagefright/AudioPlayer.h
+++ b/include/media/stagefright/AudioPlayer.h
@@ -86,6 +86,10 @@ private:
bool mStarted;
+ bool mIsFirstBuffer;
+ status_t mFirstBufferResult;
+ MediaBuffer *mFirstBuffer;
+
sp<MediaPlayerBase::AudioSink> mAudioSink;
static void AudioCallback(int event, void *user, void *info);