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Diffstat (limited to 'services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h')
-rw-r--r-- | services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h b/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h new file mode 100644 index 0000000..7536a37 --- /dev/null +++ b/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h @@ -0,0 +1,85 @@ +/* + * 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. + */ + +#pragma once + +#include "AudioPort.h" +#include <utils/Errors.h> +#include <system/audio.h> +#include <utils/SortedVector.h> +#include <utils/KeyedVector.h> + +namespace android { + +class IOProfile; +class AudioMix; + +// descriptor for audio inputs. Used to maintain current configuration of each opened audio input +// and keep track of the usage of this input. +class AudioInputDescriptor: public AudioPortConfig +{ +public: + AudioInputDescriptor(const sp<IOProfile>& profile); + void setIoHandle(audio_io_handle_t ioHandle); + + audio_module_handle_t getModuleHandle() const; + + status_t dump(int fd); + + audio_port_handle_t mId; + audio_io_handle_t mIoHandle; // input handle + audio_devices_t mDevice; // current device this input is routed to + AudioMix *mPolicyMix; // non NULL when used by a dynamic policy + audio_patch_handle_t mPatchHandle; + uint32_t mRefCount; // number of AudioRecord clients using + // this input + uint32_t mOpenRefCount; + audio_source_t mInputSource; // input source selected by application + //(mediarecorder.h) + const sp<IOProfile> mProfile; // I/O profile this output derives from + SortedVector<audio_session_t> mSessions; // audio sessions attached to this input + bool mIsSoundTrigger; // used by a soundtrigger capture + + 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; +}; + +class AudioInputCollection : + public DefaultKeyedVector< audio_io_handle_t, sp<AudioInputDescriptor> > +{ +public: + bool isSourceActive(audio_source_t source) const; + + sp<AudioInputDescriptor> getInputFromId(audio_port_handle_t id) const; + + uint32_t activeInputsCount() const; + + /** + * return io handle of active input or 0 if no input is active + * Only considers inputs from physical devices (e.g. main mic, headset mic) when + * ignoreVirtualInputs is true. + */ + audio_io_handle_t getActiveInput(bool ignoreVirtualInputs = true); + + audio_devices_t getSupportedDevices(audio_io_handle_t handle) const; + + status_t dump(int fd) const; +}; + + +}; // namespace android |