177 lines
6.5 KiB
C++
177 lines
6.5 KiB
C++
/*
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* Copyright (C) 2015 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 "AudioGain"
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//#define LOG_NDEBUG 0
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//#define VERY_VERBOSE_LOGGING
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#ifdef VERY_VERBOSE_LOGGING
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#define ALOGVV ALOGV
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#else
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#define ALOGVV(a...) do { } while(0)
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#endif
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#include <math.h>
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#include <algorithm>
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#include <android-base/stringprintf.h>
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#include <media/AudioGain.h>
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#include <utils/Log.h>
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namespace android {
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AudioGain::AudioGain(int index, bool isInput)
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: mIndex(index), mIsInput(isInput) {}
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void AudioGain::getDefaultConfig(struct audio_gain_config *config)
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{
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config->index = mIndex;
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config->mode = mGain.mode;
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config->channel_mask = mGain.channel_mask;
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if ((mGain.mode & AUDIO_GAIN_MODE_JOINT) == AUDIO_GAIN_MODE_JOINT) {
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config->values[0] = mGain.default_value;
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} else {
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const uint32_t numValues = mIsInput ?
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audio_channel_count_from_in_mask(mGain.channel_mask) :
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audio_channel_count_from_out_mask(mGain.channel_mask);
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for (size_t i = 0; i < numValues; i++) {
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config->values[i] = mGain.default_value;
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}
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}
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if ((mGain.mode & AUDIO_GAIN_MODE_RAMP) == AUDIO_GAIN_MODE_RAMP) {
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config->ramp_duration_ms = mGain.min_ramp_ms;
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}
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}
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status_t AudioGain::checkConfig(const struct audio_gain_config *config)
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{
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if ((config->mode & ~mGain.mode) != 0) {
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return BAD_VALUE;
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}
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if ((config->mode & AUDIO_GAIN_MODE_JOINT) == AUDIO_GAIN_MODE_JOINT) {
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if ((config->values[0] < mGain.min_value) ||
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(config->values[0] > mGain.max_value)) {
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return BAD_VALUE;
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}
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} else {
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if ((config->channel_mask & ~mGain.channel_mask) != 0) {
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return BAD_VALUE;
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}
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const uint32_t numValues = mIsInput ?
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audio_channel_count_from_in_mask(config->channel_mask) :
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audio_channel_count_from_out_mask(config->channel_mask);
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for (size_t i = 0; i < numValues; i++) {
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if ((config->values[i] < mGain.min_value) ||
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(config->values[i] > mGain.max_value)) {
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return BAD_VALUE;
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}
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}
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}
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if ((config->mode & AUDIO_GAIN_MODE_RAMP) == AUDIO_GAIN_MODE_RAMP) {
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if ((config->ramp_duration_ms < mGain.min_ramp_ms) ||
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(config->ramp_duration_ms > mGain.max_ramp_ms)) {
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return BAD_VALUE;
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}
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}
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return NO_ERROR;
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}
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void AudioGain::dump(std::string *dst, int spaces, int index) const
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{
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dst->append(base::StringPrintf("%*sGain %d:\n", spaces, "", index+1));
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dst->append(base::StringPrintf("%*s- mode: %08x\n", spaces, "", mGain.mode));
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dst->append(base::StringPrintf("%*s- channel_mask: %08x\n", spaces, "", mGain.channel_mask));
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dst->append(base::StringPrintf("%*s- min_value: %d mB\n", spaces, "", mGain.min_value));
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dst->append(base::StringPrintf("%*s- max_value: %d mB\n", spaces, "", mGain.max_value));
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dst->append(base::StringPrintf("%*s- default_value: %d mB\n", spaces, "", mGain.default_value));
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dst->append(base::StringPrintf("%*s- step_value: %d mB\n", spaces, "", mGain.step_value));
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dst->append(base::StringPrintf("%*s- min_ramp_ms: %d ms\n", spaces, "", mGain.min_ramp_ms));
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dst->append(base::StringPrintf("%*s- max_ramp_ms: %d ms\n", spaces, "", mGain.max_ramp_ms));
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}
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bool AudioGain::equals(const sp<AudioGain>& other) const
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{
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return other != nullptr &&
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mIsInput == other->mIsInput &&
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mUseForVolume == other->mUseForVolume &&
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// Compare audio gain
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mGain.mode == other->mGain.mode &&
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mGain.channel_mask == other->mGain.channel_mask &&
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mGain.min_value == other->mGain.min_value &&
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mGain.max_value == other->mGain.max_value &&
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mGain.default_value == other->mGain.default_value &&
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mGain.step_value == other->mGain.step_value &&
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mGain.min_ramp_ms == other->mGain.min_ramp_ms &&
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mGain.max_ramp_ms == other->mGain.max_ramp_ms;
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}
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ConversionResult<AudioGain::Aidl> AudioGain::toParcelable() const {
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media::audio::common::AudioGain aidl = VALUE_OR_RETURN(
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legacy2aidl_audio_gain_AudioGain(mGain, mIsInput));
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aidl.useForVolume = mUseForVolume;
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media::AudioGainSys aidlSys;
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aidlSys.index = VALUE_OR_RETURN(convertIntegral<int32_t>(mIndex));
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aidlSys.isInput = mIsInput;
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return std::make_pair(aidl, aidlSys);
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}
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ConversionResult<sp<AudioGain>> AudioGain::fromParcelable(const AudioGain::Aidl& aidl) {
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const media::audio::common::AudioGain& hal = aidl.first;
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const media::AudioGainSys& sys = aidl.second;
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auto index = VALUE_OR_RETURN(convertIntegral<int>(sys.index));
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sp<AudioGain> legacy = sp<AudioGain>::make(index, sys.isInput);
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legacy->mGain = VALUE_OR_RETURN(aidl2legacy_AudioGain_audio_gain(hal, sys.isInput));
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legacy->mUseForVolume = hal.useForVolume;
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return legacy;
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}
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bool AudioGains::equals(const AudioGains &other) const
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{
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return std::equal(begin(), end(), other.begin(), other.end(),
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[](const sp<AudioGain>& left, const sp<AudioGain>& right) {
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return left->equals(right);
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});
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}
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ConversionResult<sp<AudioGain>>
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aidl2legacy_AudioGain(const AudioGain::Aidl& aidl) {
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return AudioGain::fromParcelable(aidl);
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}
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ConversionResult<AudioGain::Aidl>
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legacy2aidl_AudioGain(const sp<AudioGain>& legacy) {
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return legacy->toParcelable();
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}
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ConversionResult<AudioGains>
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aidl2legacy_AudioGains(const AudioGains::Aidl& aidl) {
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return convertContainers<AudioGains>(aidl.first, aidl.second,
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[](const media::audio::common::AudioGain& g,
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const media::AudioGainSys& gs) {
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return aidl2legacy_AudioGain(std::make_pair(g, gs));
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});
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}
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ConversionResult<AudioGains::Aidl>
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legacy2aidl_AudioGains(const AudioGains& legacy) {
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return convertContainerSplit<
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std::vector<media::audio::common::AudioGain>,
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std::vector<media::AudioGainSys>>(legacy, legacy2aidl_AudioGain);
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}
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} // namespace android
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