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.
230 lines
7.4 KiB
230 lines
7.4 KiB
/*
|
|
* Copyright (C) 2006-2011 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 "AudioParameter"
|
|
//#define LOG_NDEBUG 0
|
|
|
|
#include <utils/Log.h>
|
|
|
|
#include <media/AudioParameter.h>
|
|
#include <system/audio.h>
|
|
|
|
namespace android {
|
|
|
|
// static
|
|
const char * const AudioParameter::keyRouting = AUDIO_PARAMETER_STREAM_ROUTING;
|
|
const char * const AudioParameter::keySamplingRate = AUDIO_PARAMETER_STREAM_SAMPLING_RATE;
|
|
const char * const AudioParameter::keyFormat = AUDIO_PARAMETER_STREAM_FORMAT;
|
|
const char * const AudioParameter::keyChannels = AUDIO_PARAMETER_STREAM_CHANNELS;
|
|
const char * const AudioParameter::keyFrameCount = AUDIO_PARAMETER_STREAM_FRAME_COUNT;
|
|
const char * const AudioParameter::keyInputSource = AUDIO_PARAMETER_STREAM_INPUT_SOURCE;
|
|
const char * const AudioParameter::keyScreenState = AUDIO_PARAMETER_KEY_SCREEN_STATE;
|
|
const char * const AudioParameter::keyBtNrec = AUDIO_PARAMETER_KEY_BT_NREC;
|
|
const char * const AudioParameter::keyHwAvSync = AUDIO_PARAMETER_HW_AV_SYNC;
|
|
const char * const AudioParameter::keyPresentationId = AUDIO_PARAMETER_STREAM_PRESENTATION_ID;
|
|
const char * const AudioParameter::keyProgramId = AUDIO_PARAMETER_STREAM_PROGRAM_ID;
|
|
const char * const AudioParameter::keyAudioLanguagePreferred =
|
|
AUDIO_PARAMETER_KEY_AUDIO_LANGUAGE_PREFERRED;
|
|
const char * const AudioParameter::keyMonoOutput = AUDIO_PARAMETER_MONO_OUTPUT;
|
|
const char * const AudioParameter::keyStreamHwAvSync = AUDIO_PARAMETER_STREAM_HW_AV_SYNC;
|
|
const char * const AudioParameter::keyDeviceConnect = AUDIO_PARAMETER_DEVICE_CONNECT;
|
|
const char * const AudioParameter::keyDeviceDisconnect = AUDIO_PARAMETER_DEVICE_DISCONNECT;
|
|
const char * const AudioParameter::keyStreamConnect = AUDIO_PARAMETER_DEVICE_CONNECT;
|
|
const char * const AudioParameter::keyStreamDisconnect = AUDIO_PARAMETER_DEVICE_DISCONNECT;
|
|
const char * const AudioParameter::keyStreamSupportedFormats = AUDIO_PARAMETER_STREAM_SUP_FORMATS;
|
|
const char * const AudioParameter::keyStreamSupportedChannels = AUDIO_PARAMETER_STREAM_SUP_CHANNELS;
|
|
const char * const AudioParameter::keyStreamSupportedSamplingRates =
|
|
AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES;
|
|
const char * const AudioParameter::valueOn = AUDIO_PARAMETER_VALUE_ON;
|
|
const char * const AudioParameter::valueOff = AUDIO_PARAMETER_VALUE_OFF;
|
|
const char * const AudioParameter::valueListSeparator = AUDIO_PARAMETER_VALUE_LIST_SEPARATOR;
|
|
const char * const AudioParameter::keyReconfigA2dp = AUDIO_PARAMETER_RECONFIG_A2DP;
|
|
const char * const AudioParameter::keyReconfigA2dpSupported = AUDIO_PARAMETER_A2DP_RECONFIG_SUPPORTED;
|
|
// const char * const AudioParameter::keyDeviceSupportedEncapsulationModes =
|
|
// AUDIO_PARAMETER_DEVICE_SUP_ENCAPSULATION_MODES;
|
|
// const char * const AudioParameter::keyDeviceSupportedEncapsulationMetadataTypes =
|
|
// AUDIO_PARAMETER_DEVICE_SUP_ENCAPSULATION_METADATA_TYPES;
|
|
const char * const AudioParameter::keyAdditionalOutputDeviceDelay =
|
|
AUDIO_PARAMETER_DEVICE_ADDITIONAL_OUTPUT_DELAY;
|
|
const char * const AudioParameter::keyMaxAdditionalOutputDeviceDelay =
|
|
AUDIO_PARAMETER_DEVICE_MAX_ADDITIONAL_OUTPUT_DELAY;
|
|
|
|
AudioParameter::AudioParameter(const String8& keyValuePairs)
|
|
{
|
|
char *str = new char[keyValuePairs.length()+1];
|
|
mKeyValuePairs = keyValuePairs;
|
|
char *last;
|
|
|
|
strcpy(str, keyValuePairs.string());
|
|
char *pair = strtok_r(str, ";", &last);
|
|
while (pair != NULL) {
|
|
if (strlen(pair) != 0) {
|
|
size_t eqIdx = strcspn(pair, "=");
|
|
String8 key = String8(pair, eqIdx);
|
|
String8 value;
|
|
if (eqIdx == strlen(pair)) {
|
|
value = String8("");
|
|
} else {
|
|
value = String8(pair + eqIdx + 1);
|
|
}
|
|
if (mParameters.indexOfKey(key) < 0) {
|
|
mParameters.add(key, value);
|
|
} else {
|
|
mParameters.replaceValueFor(key, value);
|
|
}
|
|
} else {
|
|
ALOGV("AudioParameter() cstor empty key value pair");
|
|
}
|
|
pair = strtok_r(NULL, ";", &last);
|
|
}
|
|
|
|
delete[] str;
|
|
}
|
|
|
|
AudioParameter::~AudioParameter()
|
|
{
|
|
mParameters.clear();
|
|
}
|
|
|
|
String8 AudioParameter::toStringImpl(bool useValues) const
|
|
{
|
|
String8 str = String8("");
|
|
|
|
size_t size = mParameters.size();
|
|
for (size_t i = 0; i < size; i++) {
|
|
str += mParameters.keyAt(i);
|
|
if (useValues) {
|
|
str += "=";
|
|
str += mParameters.valueAt(i);
|
|
}
|
|
if (i < (size - 1)) str += ";";
|
|
}
|
|
return str;
|
|
}
|
|
|
|
status_t AudioParameter::add(const String8& key, const String8& value)
|
|
{
|
|
if (mParameters.indexOfKey(key) < 0) {
|
|
mParameters.add(key, value);
|
|
return NO_ERROR;
|
|
} else {
|
|
mParameters.replaceValueFor(key, value);
|
|
return ALREADY_EXISTS;
|
|
}
|
|
}
|
|
|
|
status_t AudioParameter::addKey(const String8& key)
|
|
{
|
|
return add(key, String8());
|
|
}
|
|
|
|
status_t AudioParameter::addInt(const String8& key, const int value)
|
|
{
|
|
char str[12];
|
|
if (snprintf(str, 12, "%d", value) > 0) {
|
|
String8 str8 = String8(str);
|
|
return add(key, str8);
|
|
} else {
|
|
return BAD_VALUE;
|
|
}
|
|
}
|
|
|
|
status_t AudioParameter::addFloat(const String8& key, const float value)
|
|
{
|
|
char str[23];
|
|
if (snprintf(str, 23, "%.10f", value) > 0) {
|
|
String8 str8 = String8(str);
|
|
return add(key, str8);
|
|
} else {
|
|
return BAD_VALUE;
|
|
}
|
|
}
|
|
|
|
status_t AudioParameter::remove(const String8& key)
|
|
{
|
|
if (mParameters.indexOfKey(key) >= 0) {
|
|
mParameters.removeItem(key);
|
|
return NO_ERROR;
|
|
} else {
|
|
return BAD_VALUE;
|
|
}
|
|
}
|
|
|
|
status_t AudioParameter::get(const String8& key, String8& value) const
|
|
{
|
|
if (mParameters.indexOfKey(key) >= 0) {
|
|
value = mParameters.valueFor(key);
|
|
return NO_ERROR;
|
|
} else {
|
|
return BAD_VALUE;
|
|
}
|
|
}
|
|
|
|
status_t AudioParameter::getInt(const String8& key, int& value) const
|
|
{
|
|
String8 str8;
|
|
status_t result = get(key, str8);
|
|
value = 0;
|
|
if (result == NO_ERROR) {
|
|
int val;
|
|
if (sscanf(str8.string(), "%d", &val) == 1) {
|
|
value = val;
|
|
} else {
|
|
result = INVALID_OPERATION;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
status_t AudioParameter::getFloat(const String8& key, float& value) const
|
|
{
|
|
String8 str8;
|
|
status_t result = get(key, str8);
|
|
value = 0;
|
|
if (result == NO_ERROR) {
|
|
float val;
|
|
if (sscanf(str8.string(), "%f", &val) == 1) {
|
|
value = val;
|
|
} else {
|
|
result = INVALID_OPERATION;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
status_t AudioParameter::getAt(size_t index, String8& key) const
|
|
{
|
|
if (mParameters.size() > index) {
|
|
key = mParameters.keyAt(index);
|
|
return NO_ERROR;
|
|
} else {
|
|
return BAD_VALUE;
|
|
}
|
|
}
|
|
|
|
status_t AudioParameter::getAt(size_t index, String8& key, String8& value) const
|
|
{
|
|
if (mParameters.size() > index) {
|
|
key = mParameters.keyAt(index);
|
|
value = mParameters.valueAt(index);
|
|
return NO_ERROR;
|
|
} else {
|
|
return BAD_VALUE;
|
|
}
|
|
}
|
|
|
|
} // namespace android
|