You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
253 lines
9.3 KiB
253 lines
9.3 KiB
/*
|
|
* Copyright (C) 2016 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.
|
|
*/
|
|
|
|
#ifndef ANDROID_HARDWARE_STREAM_HAL_LOCAL_H
|
|
#define ANDROID_HARDWARE_STREAM_HAL_LOCAL_H
|
|
|
|
#include <media/audiohal/StreamHalInterface.h>
|
|
#include "StreamPowerLog.h"
|
|
|
|
namespace android {
|
|
namespace CPP_VERSION {
|
|
|
|
class DeviceHalLocal;
|
|
|
|
class StreamHalLocal : public virtual StreamHalInterface
|
|
{
|
|
public:
|
|
// Return size of input/output buffer in bytes for this stream - eg. 4800.
|
|
virtual status_t getBufferSize(size_t *size);
|
|
|
|
// Return the base configuration of the stream:
|
|
// - channel mask;
|
|
// - format - e.g. AUDIO_FORMAT_PCM_16_BIT;
|
|
// - sampling rate in Hz - eg. 44100.
|
|
virtual status_t getAudioProperties(audio_config_base_t *configBase);
|
|
|
|
// Set audio stream parameters.
|
|
virtual status_t setParameters(const String8& kvPairs);
|
|
|
|
// Get audio stream parameters.
|
|
virtual status_t getParameters(const String8& keys, String8 *values);
|
|
|
|
// Add or remove the effect on the stream.
|
|
virtual status_t addEffect(sp<EffectHalInterface> effect);
|
|
virtual status_t removeEffect(sp<EffectHalInterface> effect);
|
|
|
|
// Put the audio hardware input/output into standby mode.
|
|
virtual status_t standby();
|
|
|
|
virtual status_t dump(int fd);
|
|
|
|
// Start a stream operating in mmap mode.
|
|
virtual status_t start() = 0;
|
|
|
|
// Stop a stream operating in mmap mode.
|
|
virtual status_t stop() = 0;
|
|
|
|
// Retrieve information on the data buffer in mmap mode.
|
|
virtual status_t createMmapBuffer(int32_t minSizeFrames,
|
|
struct audio_mmap_buffer_info *info) = 0;
|
|
|
|
// Get current read/write position in the mmap buffer
|
|
virtual status_t getMmapPosition(struct audio_mmap_position *position) = 0;
|
|
|
|
// Set the priority of the thread that interacts with the HAL
|
|
// (must match the priority of the audioflinger's thread that calls 'read' / 'write')
|
|
virtual status_t setHalThreadPriority(int priority);
|
|
|
|
protected:
|
|
// Subclasses can not be constructed directly by clients.
|
|
StreamHalLocal(audio_stream_t *stream, sp<DeviceHalLocal> device);
|
|
|
|
// The destructor automatically closes the stream.
|
|
virtual ~StreamHalLocal();
|
|
|
|
sp<DeviceHalLocal> mDevice;
|
|
|
|
// mStreamPowerLog is used for audio signal power logging.
|
|
StreamPowerLog mStreamPowerLog;
|
|
|
|
private:
|
|
audio_stream_t *mStream;
|
|
};
|
|
|
|
class StreamOutHalLocal : public StreamOutHalInterface, public StreamHalLocal {
|
|
public:
|
|
// Return the frame size (number of bytes per sample) of a stream.
|
|
virtual status_t getFrameSize(size_t *size);
|
|
|
|
// Return the audio hardware driver estimated latency in milliseconds.
|
|
virtual status_t getLatency(uint32_t *latency);
|
|
|
|
// Use this method in situations where audio mixing is done in the hardware.
|
|
virtual status_t setVolume(float left, float right);
|
|
|
|
// Selects the audio presentation (if available).
|
|
virtual status_t selectPresentation(int presentationId, int programId);
|
|
|
|
// Write audio buffer to driver.
|
|
virtual status_t write(const void *buffer, size_t bytes, size_t *written);
|
|
|
|
// Return the number of audio frames written by the audio dsp to DAC since
|
|
// the output has exited standby.
|
|
virtual status_t getRenderPosition(uint32_t *dspFrames);
|
|
|
|
// Get the local time at which the next write to the audio driver will be presented.
|
|
virtual status_t getNextWriteTimestamp(int64_t *timestamp);
|
|
|
|
// Set the callback for notifying completion of non-blocking write and drain.
|
|
virtual status_t setCallback(wp<StreamOutHalInterfaceCallback> callback);
|
|
|
|
// Returns whether pause and resume operations are supported.
|
|
virtual status_t supportsPauseAndResume(bool *supportsPause, bool *supportsResume);
|
|
|
|
// Notifies to the audio driver to resume playback following a pause.
|
|
virtual status_t pause();
|
|
|
|
// Notifies to the audio driver to resume playback following a pause.
|
|
virtual status_t resume();
|
|
|
|
// Returns whether drain operation is supported.
|
|
virtual status_t supportsDrain(bool *supportsDrain);
|
|
|
|
// Requests notification when data buffered by the driver/hardware has been played.
|
|
virtual status_t drain(bool earlyNotify);
|
|
|
|
// Notifies to the audio driver to flush the queued data.
|
|
virtual status_t flush();
|
|
|
|
// Return a recent count of the number of audio frames presented to an external observer.
|
|
virtual status_t getPresentationPosition(uint64_t *frames, struct timespec *timestamp);
|
|
|
|
// Start a stream operating in mmap mode.
|
|
virtual status_t start();
|
|
|
|
// Stop a stream operating in mmap mode.
|
|
virtual status_t stop();
|
|
|
|
// Retrieve information on the data buffer in mmap mode.
|
|
virtual status_t createMmapBuffer(int32_t minSizeFrames,
|
|
struct audio_mmap_buffer_info *info);
|
|
|
|
// Get current read/write position in the mmap buffer
|
|
virtual status_t getMmapPosition(struct audio_mmap_position *position);
|
|
|
|
// Called when the metadata of the stream's source has been changed.
|
|
status_t updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
|
|
|
|
// Returns the Dual Mono mode presentation setting.
|
|
status_t getDualMonoMode(audio_dual_mono_mode_t* mode) override;
|
|
|
|
// Sets the Dual Mono mode presentation on the output device.
|
|
status_t setDualMonoMode(audio_dual_mono_mode_t mode) override;
|
|
|
|
// Returns the Audio Description Mix level in dB.
|
|
status_t getAudioDescriptionMixLevel(float* leveldB) override;
|
|
|
|
// Sets the Audio Description Mix level in dB.
|
|
status_t setAudioDescriptionMixLevel(float leveldB) override;
|
|
|
|
// Retrieves current playback rate parameters.
|
|
status_t getPlaybackRateParameters(audio_playback_rate_t* playbackRate) override;
|
|
|
|
// Sets the playback rate parameters that control playback behavior.
|
|
status_t setPlaybackRateParameters(const audio_playback_rate_t& playbackRate) override;
|
|
|
|
status_t setEventCallback(const sp<StreamOutHalInterfaceEventCallback>& callback) override;
|
|
|
|
private:
|
|
audio_stream_out_t *mStream;
|
|
wp<StreamOutHalInterfaceCallback> mCallback;
|
|
wp<StreamOutHalInterfaceEventCallback> mEventCallback;
|
|
|
|
friend class DeviceHalLocal;
|
|
|
|
// Can not be constructed directly by clients.
|
|
StreamOutHalLocal(audio_stream_out_t *stream, sp<DeviceHalLocal> device);
|
|
|
|
virtual ~StreamOutHalLocal();
|
|
|
|
static int asyncCallback(stream_callback_event_t event, void *param, void *cookie);
|
|
|
|
static int asyncEventCallback(stream_event_callback_type_t event, void *param, void *cookie);
|
|
|
|
void doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata);
|
|
void doUpdateSourceMetadata(const SourceMetadata& sourceMetadata);
|
|
};
|
|
|
|
class StreamInHalLocal : public StreamInHalInterface, public StreamHalLocal {
|
|
public:
|
|
// Return the frame size (number of bytes per sample) of a stream.
|
|
virtual status_t getFrameSize(size_t *size);
|
|
|
|
// Set the input gain for the audio driver.
|
|
virtual status_t setGain(float gain);
|
|
|
|
// Read audio buffer in from driver.
|
|
virtual status_t read(void *buffer, size_t bytes, size_t *read);
|
|
|
|
// Return the amount of input frames lost in the audio driver.
|
|
virtual status_t getInputFramesLost(uint32_t *framesLost);
|
|
|
|
// Return a recent count of the number of audio frames received and
|
|
// the clock time associated with that frame count.
|
|
virtual status_t getCapturePosition(int64_t *frames, int64_t *time);
|
|
|
|
// Start a stream operating in mmap mode.
|
|
virtual status_t start();
|
|
|
|
// Stop a stream operating in mmap mode.
|
|
virtual status_t stop();
|
|
|
|
// Retrieve information on the data buffer in mmap mode.
|
|
virtual status_t createMmapBuffer(int32_t minSizeFrames,
|
|
struct audio_mmap_buffer_info *info);
|
|
|
|
// Get current read/write position in the mmap buffer
|
|
virtual status_t getMmapPosition(struct audio_mmap_position *position);
|
|
|
|
// Get active microphones
|
|
virtual status_t getActiveMicrophones(std::vector<media::MicrophoneInfo> *microphones);
|
|
|
|
// Sets microphone direction (for processing)
|
|
virtual status_t setPreferredMicrophoneDirection(audio_microphone_direction_t direction);
|
|
|
|
// Sets microphone zoom (for processing)
|
|
virtual status_t setPreferredMicrophoneFieldDimension(float zoom);
|
|
|
|
// Called when the metadata of the stream's sink has been changed.
|
|
status_t updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
|
|
|
|
private:
|
|
audio_stream_in_t *mStream;
|
|
|
|
friend class DeviceHalLocal;
|
|
|
|
// Can not be constructed directly by clients.
|
|
StreamInHalLocal(audio_stream_in_t *stream, sp<DeviceHalLocal> device);
|
|
|
|
virtual ~StreamInHalLocal();
|
|
|
|
void doUpdateSinkMetadata(const SinkMetadata& sinkMetadata);
|
|
void doUpdateSinkMetadataV7(const SinkMetadata& sinkMetadata);
|
|
};
|
|
|
|
} // namespace CPP_VERSION
|
|
} // namespace android
|
|
|
|
#endif // ANDROID_HARDWARE_STREAM_HAL_LOCAL_H
|