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/*
* 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.
*/
#define LOG_TAG "APM::Volumes"
//#define LOG_NDEBUG 0
//#define VERY_VERBOSE_LOGGING
#ifdef VERY_VERBOSE_LOGGING
#define ALOGVV ALOGV
#else
#define ALOGVV(a...) do { } while(0)
#endif
#include "StreamDescriptor.h"
#include <utils/Log.h>
#include <utils/String8.h>
namespace android {
// --- StreamDescriptor class implementation
StreamDescriptor::StreamDescriptor()
: mIndexMin(0), mIndexMax(1), mCanBeMuted(true)
{
mIndexCur.add(AUDIO_DEVICE_OUT_DEFAULT, 0);
}
int StreamDescriptor::getVolumeIndex(audio_devices_t device) const
{
device = Volume::getDeviceForVolume(device);
// there is always a valid entry for AUDIO_DEVICE_OUT_DEFAULT
if (mIndexCur.indexOfKey(device) < 0) {
device = AUDIO_DEVICE_OUT_DEFAULT;
}
return mIndexCur.valueFor(device);
}
void StreamDescriptor::clearCurrentVolumeIndex()
{
mIndexCur.clear();
}
void StreamDescriptor::addCurrentVolumeIndex(audio_devices_t device, int index)
{
mIndexCur.add(device, index);
}
void StreamDescriptor::setVolumeIndexMin(int volIndexMin)
{
mIndexMin = volIndexMin;
}
void StreamDescriptor::setVolumeIndexMax(int volIndexMax)
{
mIndexMax = volIndexMax;
}
void StreamDescriptor::setVolumeCurvePoint(Volume::device_category deviceCategory,
const VolumeCurvePoint *point)
{
mVolumeCurve[deviceCategory] = point;
}
void StreamDescriptor::dump(int fd) const
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
snprintf(buffer, SIZE, "%s %02d %02d ",
mCanBeMuted ? "true " : "false", mIndexMin, mIndexMax);
result.append(buffer);
for (size_t i = 0; i < mIndexCur.size(); i++) {
snprintf(buffer, SIZE, "%04x : %02d, ",
mIndexCur.keyAt(i),
mIndexCur.valueAt(i));
result.append(buffer);
}
result.append("\n");
write(fd, result.string(), result.size());
}
StreamDescriptorCollection::StreamDescriptorCollection()
{
for (size_t stream = 0 ; stream < AUDIO_STREAM_CNT; stream++) {
add(static_cast<audio_stream_type_t>(stream), StreamDescriptor());
}
}
bool StreamDescriptorCollection::canBeMuted(audio_stream_type_t stream)
{
return valueAt(stream).canBeMuted();
}
void StreamDescriptorCollection::clearCurrentVolumeIndex(audio_stream_type_t stream)
{
editValueAt(stream).clearCurrentVolumeIndex();
}
void StreamDescriptorCollection::addCurrentVolumeIndex(audio_stream_type_t stream,
audio_devices_t device, int index)
{
editValueAt(stream).addCurrentVolumeIndex(device, index);
}
void StreamDescriptorCollection::setVolumeCurvePoint(audio_stream_type_t stream,
Volume::device_category deviceCategory,
const VolumeCurvePoint *point)
{
editValueAt(stream).setVolumeCurvePoint(deviceCategory, point);
}
const VolumeCurvePoint *StreamDescriptorCollection::getVolumeCurvePoint(audio_stream_type_t stream,
Volume::device_category deviceCategory) const
{
return valueAt(stream).getVolumeCurvePoint(deviceCategory);
}
void StreamDescriptorCollection::setVolumeIndexMin(audio_stream_type_t stream,int volIndexMin)
{
return editValueAt(stream).setVolumeIndexMin(volIndexMin);
}
void StreamDescriptorCollection::setVolumeIndexMax(audio_stream_type_t stream,int volIndexMax)
{
return editValueAt(stream).setVolumeIndexMax(volIndexMax);
}
status_t StreamDescriptorCollection::dump(int fd) const
{
const size_t SIZE = 256;
char buffer[SIZE];
snprintf(buffer, SIZE, "\nStreams dump:\n");
write(fd, buffer, strlen(buffer));
snprintf(buffer, SIZE,
" Stream Can be muted Index Min Index Max Index Cur [device : index]...\n");
write(fd, buffer, strlen(buffer));
for (size_t i = 0; i < size(); i++) {
snprintf(buffer, SIZE, " %02zu ", i);
write(fd, buffer, strlen(buffer));
valueAt(i).dump(fd);
}
return NO_ERROR;
}
}; // namespace android
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