diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/media/AudioSystem.h | 27 | ||||
| -rw-r--r-- | include/media/IAudioFlinger.h | 2 | ||||
| -rw-r--r-- | include/media/IAudioPolicyService.h | 16 |
3 files changed, 41 insertions, 4 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/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; }; |