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308 lines
9.7 KiB
308 lines
9.7 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "StreamHalLocal"
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//#define LOG_NDEBUG 0
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#include <hardware/audio.h>
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#include <utils/Log.h>
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#include "DeviceHalLocal.h"
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#include "EffectHalLocal.h"
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#include "StreamHalLocal.h"
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namespace android {
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StreamHalLocal::StreamHalLocal(audio_stream_t *stream, sp<DeviceHalLocal> device)
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: mDevice(device), mStream(stream) {
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}
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StreamHalLocal::~StreamHalLocal() {
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mStream = 0;
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mDevice.clear();
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}
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status_t StreamHalLocal::getSampleRate(uint32_t *rate) {
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*rate = mStream->get_sample_rate(mStream);
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return OK;
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}
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status_t StreamHalLocal::getBufferSize(size_t *size) {
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*size = mStream->get_buffer_size(mStream);
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return OK;
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}
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status_t StreamHalLocal::getChannelMask(audio_channel_mask_t *mask) {
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*mask = mStream->get_channels(mStream);
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return OK;
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}
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status_t StreamHalLocal::getFormat(audio_format_t *format) {
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*format = mStream->get_format(mStream);
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return OK;
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}
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status_t StreamHalLocal::getAudioProperties(
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uint32_t *sampleRate, audio_channel_mask_t *mask, audio_format_t *format) {
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*sampleRate = mStream->get_sample_rate(mStream);
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*mask = mStream->get_channels(mStream);
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*format = mStream->get_format(mStream);
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return OK;
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}
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status_t StreamHalLocal::setParameters(const String8& kvPairs) {
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return mStream->set_parameters(mStream, kvPairs.string());
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}
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status_t StreamHalLocal::getParameters(const String8& keys, String8 *values) {
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char *halValues = mStream->get_parameters(mStream, keys.string());
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if (halValues != NULL) {
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values->setTo(halValues);
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free(halValues);
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} else {
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values->clear();
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}
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return OK;
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}
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status_t StreamHalLocal::addEffect(sp<EffectHalInterface> effect) {
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LOG_ALWAYS_FATAL_IF(!effect->isLocal(), "Only local effects can be added for a local stream");
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return mStream->add_audio_effect(mStream,
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static_cast<EffectHalLocal*>(effect.get())->handle());
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}
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status_t StreamHalLocal::removeEffect(sp<EffectHalInterface> effect) {
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LOG_ALWAYS_FATAL_IF(!effect->isLocal(), "Only local effects can be removed for a local stream");
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return mStream->remove_audio_effect(mStream,
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static_cast<EffectHalLocal*>(effect.get())->handle());
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}
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status_t StreamHalLocal::standby() {
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return mStream->standby(mStream);
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}
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status_t StreamHalLocal::dump(int fd) {
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return mStream->dump(mStream, fd);
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}
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status_t StreamHalLocal::setHalThreadPriority(int) {
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// Don't need to do anything as local hal is executed by audioflinger directly
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// on the same thread.
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return OK;
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}
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StreamOutHalLocal::StreamOutHalLocal(audio_stream_out_t *stream, sp<DeviceHalLocal> device)
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: StreamHalLocal(&stream->common, device), mStream(stream) {
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}
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StreamOutHalLocal::~StreamOutHalLocal() {
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mCallback.clear();
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mDevice->closeOutputStream(mStream);
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mStream = 0;
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}
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status_t StreamOutHalLocal::getFrameSize(size_t *size) {
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*size = audio_stream_out_frame_size(mStream);
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return OK;
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}
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status_t StreamOutHalLocal::getLatency(uint32_t *latency) {
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*latency = mStream->get_latency(mStream);
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return OK;
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}
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status_t StreamOutHalLocal::setVolume(float left, float right) {
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if (mStream->set_volume == NULL) return INVALID_OPERATION;
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return mStream->set_volume(mStream, left, right);
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}
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status_t StreamOutHalLocal::write(const void *buffer, size_t bytes, size_t *written) {
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ssize_t writeResult = mStream->write(mStream, buffer, bytes);
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if (writeResult > 0) {
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*written = writeResult;
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return OK;
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} else {
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*written = 0;
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return writeResult;
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}
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}
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status_t StreamOutHalLocal::getRenderPosition(uint32_t *dspFrames) {
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return mStream->get_render_position(mStream, dspFrames);
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}
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status_t StreamOutHalLocal::getNextWriteTimestamp(int64_t *timestamp) {
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if (mStream->get_next_write_timestamp == NULL) return INVALID_OPERATION;
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return mStream->get_next_write_timestamp(mStream, timestamp);
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}
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status_t StreamOutHalLocal::setCallback(wp<StreamOutHalInterfaceCallback> callback) {
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if (mStream->set_callback == NULL) return INVALID_OPERATION;
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status_t result = mStream->set_callback(mStream, StreamOutHalLocal::asyncCallback, this);
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if (result == OK) {
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mCallback = callback;
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}
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return result;
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}
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// static
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int StreamOutHalLocal::asyncCallback(stream_callback_event_t event, void*, void *cookie) {
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// We act as if we gave a wp<StreamOutHalLocal> to HAL. This way we should handle
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// correctly the case when the callback is invoked while StreamOutHalLocal's destructor is
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// already running, because the destructor is invoked after the refcount has been atomically
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// decremented.
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wp<StreamOutHalLocal> weakSelf(static_cast<StreamOutHalLocal*>(cookie));
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sp<StreamOutHalLocal> self = weakSelf.promote();
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if (self == 0) return 0;
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sp<StreamOutHalInterfaceCallback> callback = self->mCallback.promote();
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if (callback == 0) return 0;
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ALOGV("asyncCallback() event %d", event);
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switch (event) {
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case STREAM_CBK_EVENT_WRITE_READY:
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callback->onWriteReady();
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break;
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case STREAM_CBK_EVENT_DRAIN_READY:
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callback->onDrainReady();
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break;
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case STREAM_CBK_EVENT_ERROR:
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callback->onError();
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break;
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default:
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ALOGW("asyncCallback() unknown event %d", event);
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break;
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}
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return 0;
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}
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status_t StreamOutHalLocal::supportsPauseAndResume(bool *supportsPause, bool *supportsResume) {
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*supportsPause = mStream->pause != NULL;
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*supportsResume = mStream->resume != NULL;
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return OK;
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}
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status_t StreamOutHalLocal::pause() {
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if (mStream->pause == NULL) return INVALID_OPERATION;
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return mStream->pause(mStream);
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}
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status_t StreamOutHalLocal::resume() {
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if (mStream->resume == NULL) return INVALID_OPERATION;
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return mStream->resume(mStream);
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}
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status_t StreamOutHalLocal::supportsDrain(bool *supportsDrain) {
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*supportsDrain = mStream->drain != NULL;
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return OK;
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}
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status_t StreamOutHalLocal::drain(bool earlyNotify) {
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if (mStream->drain == NULL) return INVALID_OPERATION;
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return mStream->drain(mStream, earlyNotify ? AUDIO_DRAIN_EARLY_NOTIFY : AUDIO_DRAIN_ALL);
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}
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status_t StreamOutHalLocal::flush() {
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if (mStream->flush == NULL) return INVALID_OPERATION;
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return mStream->flush(mStream);
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}
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status_t StreamOutHalLocal::getPresentationPosition(uint64_t *frames, struct timespec *timestamp) {
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if (mStream->get_presentation_position == NULL) return INVALID_OPERATION;
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return mStream->get_presentation_position(mStream, frames, timestamp);
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}
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status_t StreamOutHalLocal::start() {
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if (mStream->start == NULL) return INVALID_OPERATION;
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return mStream->start(mStream);
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}
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status_t StreamOutHalLocal::stop() {
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if (mStream->stop == NULL) return INVALID_OPERATION;
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return mStream->stop(mStream);
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}
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status_t StreamOutHalLocal::createMmapBuffer(int32_t minSizeFrames,
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struct audio_mmap_buffer_info *info) {
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if (mStream->create_mmap_buffer == NULL) return INVALID_OPERATION;
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return mStream->create_mmap_buffer(mStream, minSizeFrames, info);
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}
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status_t StreamOutHalLocal::getMmapPosition(struct audio_mmap_position *position) {
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if (mStream->get_mmap_position == NULL) return INVALID_OPERATION;
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return mStream->get_mmap_position(mStream, position);
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}
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StreamInHalLocal::StreamInHalLocal(audio_stream_in_t *stream, sp<DeviceHalLocal> device)
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: StreamHalLocal(&stream->common, device), mStream(stream) {
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}
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StreamInHalLocal::~StreamInHalLocal() {
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mDevice->closeInputStream(mStream);
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mStream = 0;
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}
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status_t StreamInHalLocal::getFrameSize(size_t *size) {
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*size = audio_stream_in_frame_size(mStream);
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return OK;
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}
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status_t StreamInHalLocal::setGain(float gain) {
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return mStream->set_gain(mStream, gain);
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}
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status_t StreamInHalLocal::read(void *buffer, size_t bytes, size_t *read) {
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ssize_t readResult = mStream->read(mStream, buffer, bytes);
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if (readResult > 0) {
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*read = readResult;
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return OK;
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} else {
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*read = 0;
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return readResult;
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}
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}
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status_t StreamInHalLocal::getInputFramesLost(uint32_t *framesLost) {
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*framesLost = mStream->get_input_frames_lost(mStream);
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return OK;
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}
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status_t StreamInHalLocal::getCapturePosition(int64_t *frames, int64_t *time) {
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if (mStream->get_capture_position == NULL) return INVALID_OPERATION;
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return mStream->get_capture_position(mStream, frames, time);
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}
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status_t StreamInHalLocal::start() {
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if (mStream->start == NULL) return INVALID_OPERATION;
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return mStream->start(mStream);
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}
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status_t StreamInHalLocal::stop() {
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if (mStream->stop == NULL) return INVALID_OPERATION;
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return mStream->stop(mStream);
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}
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status_t StreamInHalLocal::createMmapBuffer(int32_t minSizeFrames,
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struct audio_mmap_buffer_info *info) {
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if (mStream->create_mmap_buffer == NULL) return INVALID_OPERATION;
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return mStream->create_mmap_buffer(mStream, minSizeFrames, info);
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}
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status_t StreamInHalLocal::getMmapPosition(struct audio_mmap_position *position) {
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if (mStream->get_mmap_position == NULL) return INVALID_OPERATION;
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return mStream->get_mmap_position(mStream, position);
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}
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} // namespace android
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