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/*
* Copyright (C) 2017 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.
*/
#include <media/TrackPlayerBase.h>
namespace android {
using media::VolumeShaper;
//--------------------------------------------------------------------------------------------------
TrackPlayerBase::TrackPlayerBase() : PlayerBase(),
mPlayerVolumeL(1.0f), mPlayerVolumeR(1.0f)
{
ALOGD("TrackPlayerBase::TrackPlayerBase()");
}
TrackPlayerBase::~TrackPlayerBase() {
ALOGD("TrackPlayerBase::~TrackPlayerBase()");
doDestroy();
}
void TrackPlayerBase::init(AudioTrack* pat, player_type_t playerType, audio_usage_t usage) {
PlayerBase::init(playerType, usage);
mAudioTrack = pat;
}
void TrackPlayerBase::destroy() {
doDestroy();
baseDestroy();
}
void TrackPlayerBase::doDestroy() {
if (mAudioTrack != 0) {
mAudioTrack->stop();
// Note that there may still be another reference in post-unlock phase of SetPlayState
mAudioTrack.clear();
}
}
void TrackPlayerBase::setPlayerVolume(float vl, float vr) {
{
Mutex::Autolock _l(mSettingsLock);
mPlayerVolumeL = vl;
mPlayerVolumeR = vr;
}
doSetVolume();
}
//------------------------------------------------------------------------------
// Implementation of IPlayer
status_t TrackPlayerBase::playerStart() {
status_t status = NO_INIT;
if (mAudioTrack != 0) {
status = mAudioTrack->start();
}
return status;
}
status_t TrackPlayerBase::playerPause() {
status_t status = NO_INIT;
if (mAudioTrack != 0) {
mAudioTrack->pause();
status = NO_ERROR;
}
return status;
}
status_t TrackPlayerBase::playerStop() {
status_t status = NO_INIT;
if (mAudioTrack != 0) {
mAudioTrack->stop();
status = NO_ERROR;
}
return status;
}
status_t TrackPlayerBase::playerSetVolume() {
return doSetVolume();
}
status_t TrackPlayerBase::doSetVolume() {
status_t status = NO_INIT;
if (mAudioTrack != 0) {
float tl = mPlayerVolumeL * mPanMultiplierL * mVolumeMultiplierL;
float tr = mPlayerVolumeR * mPanMultiplierR * mVolumeMultiplierR;
mAudioTrack->setVolume(tl, tr);
status = NO_ERROR;
}
return status;
}
binder::Status TrackPlayerBase::applyVolumeShaper(
const VolumeShaper::Configuration& configuration,
const VolumeShaper::Operation& operation) {
sp<VolumeShaper::Configuration> spConfiguration = new VolumeShaper::Configuration(configuration);
sp<VolumeShaper::Operation> spOperation = new VolumeShaper::Operation(operation);
if (mAudioTrack != 0) {
ALOGD("TrackPlayerBase::applyVolumeShaper() from IPlayer");
VolumeShaper::Status status = mAudioTrack->applyVolumeShaper(spConfiguration, spOperation);
if (status < 0) { // a non-negative value is the volume shaper id.
ALOGE("TrackPlayerBase::applyVolumeShaper() failed with status %d", status);
}
return binder::Status::fromStatusT(status);
} else {
ALOGD("TrackPlayerBase::applyVolumeShaper()"
" no AudioTrack for volume control from IPlayer");
return binder::Status::ok();
}
}
} // namespace android