diff options
Diffstat (limited to 'services/audiopolicy/managerdefault/Gains.cpp')
| -rw-r--r-- | services/audiopolicy/managerdefault/Gains.cpp | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/services/audiopolicy/managerdefault/Gains.cpp b/services/audiopolicy/managerdefault/Gains.cpp deleted file mode 100644 index 4aca26d..0000000 --- a/services/audiopolicy/managerdefault/Gains.cpp +++ /dev/null @@ -1,446 +0,0 @@ -/* - * 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::Gains" -//#define LOG_NDEBUG 0 - -//#define VERY_VERBOSE_LOGGING -#ifdef VERY_VERBOSE_LOGGING -#define ALOGVV ALOGV -#else -#define ALOGVV(a...) do { } while(0) -#endif - -#include "AudioPolicyManager.h" - -#include <math.h> - -namespace android { - -const VolumeCurvePoint -ApmGains::sDefaultVolumeCurve[ApmGains::VOLCNT] = { - {1, -49.5f}, {33, -33.5f}, {66, -17.0f}, {100, 0.0f} -}; - - -const VolumeCurvePoint -ApmGains::sDefaultMediaVolumeCurve[ApmGains::VOLCNT] = { - {1, -58.0f}, {20, -40.0f}, {60, -17.0f}, {100, 0.0f} -}; - -const VolumeCurvePoint -ApmGains::sExtMediaSystemVolumeCurve[ApmGains::VOLCNT] = { - {1, -58.0f}, {20, -40.0f}, {60, -21.0f}, {100, -10.0f} -}; - -const VolumeCurvePoint -ApmGains::sSpeakerMediaVolumeCurve[ApmGains::VOLCNT] = { - {1, -56.0f}, {20, -34.0f}, {60, -11.0f}, {100, 0.0f} -}; - -const VolumeCurvePoint -ApmGains::sSpeakerMediaVolumeCurveDrc[ApmGains::VOLCNT] = { - {1, -55.0f}, {20, -43.0f}, {86, -12.0f}, {100, 0.0f} -}; - -const VolumeCurvePoint -ApmGains::sSpeakerSonificationVolumeCurve[ApmGains::VOLCNT] = { - {1, -29.7f}, {33, -20.1f}, {66, -10.2f}, {100, 0.0f} -}; - -const VolumeCurvePoint -ApmGains::sSpeakerSonificationVolumeCurveDrc[ApmGains::VOLCNT] = { - {1, -35.7f}, {33, -26.1f}, {66, -13.2f}, {100, 0.0f} -}; - -// AUDIO_STREAM_SYSTEM, AUDIO_STREAM_ENFORCED_AUDIBLE and AUDIO_STREAM_DTMF volume tracks -// AUDIO_STREAM_RING on phones and AUDIO_STREAM_MUSIC on tablets. -// AUDIO_STREAM_DTMF tracks AUDIO_STREAM_VOICE_CALL while in call (See AudioService.java). -// The range is constrained between -24dB and -6dB over speaker and -30dB and -18dB over headset. - -const VolumeCurvePoint -ApmGains::sDefaultSystemVolumeCurve[ApmGains::VOLCNT] = { - {1, -24.0f}, {33, -18.0f}, {66, -12.0f}, {100, -6.0f} -}; - -const VolumeCurvePoint -ApmGains::sDefaultSystemVolumeCurveDrc[ApmGains::VOLCNT] = { - {1, -34.0f}, {33, -24.0f}, {66, -15.0f}, {100, -6.0f} -}; - -const VolumeCurvePoint -ApmGains::sHeadsetSystemVolumeCurve[ApmGains::VOLCNT] = { - {1, -30.0f}, {33, -26.0f}, {66, -22.0f}, {100, -18.0f} -}; - -const VolumeCurvePoint -ApmGains::sDefaultVoiceVolumeCurve[ApmGains::VOLCNT] = { - {0, -42.0f}, {33, -28.0f}, {66, -14.0f}, {100, 0.0f} -}; - -const VolumeCurvePoint -ApmGains::sSpeakerVoiceVolumeCurve[ApmGains::VOLCNT] = { - {0, -24.0f}, {33, -16.0f}, {66, -8.0f}, {100, 0.0f} -}; - -const VolumeCurvePoint -ApmGains::sLinearVolumeCurve[ApmGains::VOLCNT] = { - {0, -96.0f}, {33, -68.0f}, {66, -34.0f}, {100, 0.0f} -}; - -const VolumeCurvePoint -ApmGains::sSilentVolumeCurve[ApmGains::VOLCNT] = { - {0, -96.0f}, {1, -96.0f}, {2, -96.0f}, {100, -96.0f} -}; - -const VolumeCurvePoint -ApmGains::sFullScaleVolumeCurve[ApmGains::VOLCNT] = { - {0, 0.0f}, {1, 0.0f}, {2, 0.0f}, {100, 0.0f} -}; - -const VolumeCurvePoint *ApmGains::sVolumeProfiles[AUDIO_STREAM_CNT] - [ApmGains::DEVICE_CATEGORY_CNT] = { - { // AUDIO_STREAM_VOICE_CALL - ApmGains::sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sSpeakerVoiceVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sSpeakerVoiceVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_SYSTEM - ApmGains::sHeadsetSystemVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_RING - ApmGains::sDefaultVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sSpeakerSonificationVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sDefaultVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_MUSIC - ApmGains::sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sSpeakerMediaVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_ALARM - ApmGains::sDefaultVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sSpeakerSonificationVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sDefaultVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_NOTIFICATION - ApmGains::sDefaultVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sSpeakerSonificationVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sDefaultVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_BLUETOOTH_SCO - ApmGains::sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sSpeakerVoiceVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sDefaultVoiceVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_ENFORCED_AUDIBLE - ApmGains::sHeadsetSystemVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_DTMF - ApmGains::sHeadsetSystemVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sDefaultSystemVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sExtMediaSystemVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_TTS - // "Transmitted Through Speaker": always silent except on DEVICE_CATEGORY_SPEAKER - ApmGains::sSilentVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sLinearVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sSilentVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sSilentVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_ACCESSIBILITY - ApmGains::sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sSpeakerMediaVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sDefaultMediaVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sDefaultMediaVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_REROUTING - ApmGains::sFullScaleVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sFullScaleVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sFullScaleVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sFullScaleVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, - { // AUDIO_STREAM_PATCH - ApmGains::sFullScaleVolumeCurve, // DEVICE_CATEGORY_HEADSET - ApmGains::sFullScaleVolumeCurve, // DEVICE_CATEGORY_SPEAKER - ApmGains::sFullScaleVolumeCurve, // DEVICE_CATEGORY_EARPIECE - ApmGains::sFullScaleVolumeCurve // DEVICE_CATEGORY_EXT_MEDIA - }, -}; - -//static -audio_devices_t ApmGains::getDeviceForVolume(audio_devices_t device) -{ - if (device == AUDIO_DEVICE_NONE) { - // this happens when forcing a route update and no track is active on an output. - // In this case the returned category is not important. - device = AUDIO_DEVICE_OUT_SPEAKER; - } else if (popcount(device) > 1) { - // Multiple device selection is either: - // - speaker + one other device: give priority to speaker in this case. - // - one A2DP device + another device: happens with duplicated output. In this case - // retain the device on the A2DP output as the other must not correspond to an active - // selection if not the speaker. - // - HDMI-CEC system audio mode only output: give priority to available item in order. - if (device & AUDIO_DEVICE_OUT_SPEAKER) { - device = AUDIO_DEVICE_OUT_SPEAKER; - } else if (device & AUDIO_DEVICE_OUT_HDMI_ARC) { - device = AUDIO_DEVICE_OUT_HDMI_ARC; - } else if (device & AUDIO_DEVICE_OUT_AUX_LINE) { - device = AUDIO_DEVICE_OUT_AUX_LINE; - } else if (device & AUDIO_DEVICE_OUT_SPDIF) { - device = AUDIO_DEVICE_OUT_SPDIF; - } else { - device = (audio_devices_t)(device & AUDIO_DEVICE_OUT_ALL_A2DP); - } - } - - /*SPEAKER_SAFE is an alias of SPEAKER for purposes of volume control*/ - if (device == AUDIO_DEVICE_OUT_SPEAKER_SAFE) - device = AUDIO_DEVICE_OUT_SPEAKER; - - ALOGW_IF(popcount(device) != 1, - "getDeviceForVolume() invalid device combination: %08x", - device); - - return device; -} - -//static -ApmGains::device_category ApmGains::getDeviceCategory(audio_devices_t device) -{ - switch(getDeviceForVolume(device)) { - case AUDIO_DEVICE_OUT_EARPIECE: - return ApmGains::DEVICE_CATEGORY_EARPIECE; - case AUDIO_DEVICE_OUT_WIRED_HEADSET: - case AUDIO_DEVICE_OUT_WIRED_HEADPHONE: - case AUDIO_DEVICE_OUT_BLUETOOTH_SCO: - case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET: - case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP: - case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES: - return ApmGains::DEVICE_CATEGORY_HEADSET; - case AUDIO_DEVICE_OUT_LINE: - case AUDIO_DEVICE_OUT_AUX_DIGITAL: - /*USB? Remote submix?*/ - return ApmGains::DEVICE_CATEGORY_EXT_MEDIA; - case AUDIO_DEVICE_OUT_SPEAKER: - case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT: - case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER: - case AUDIO_DEVICE_OUT_USB_ACCESSORY: - case AUDIO_DEVICE_OUT_USB_DEVICE: - case AUDIO_DEVICE_OUT_REMOTE_SUBMIX: - default: - return ApmGains::DEVICE_CATEGORY_SPEAKER; - } -} - -//static -float ApmGains::volIndexToAmpl(audio_devices_t device, const StreamDescriptor& streamDesc, - int indexInUi) -{ - ApmGains::device_category deviceCategory = ApmGains::getDeviceCategory(device); - const VolumeCurvePoint *curve = streamDesc.mVolumeCurve[deviceCategory]; - - // the volume index in the UI is relative to the min and max volume indices for this stream type - int nbSteps = 1 + curve[ApmGains::VOLMAX].mIndex - - curve[ApmGains::VOLMIN].mIndex; - int volIdx = (nbSteps * (indexInUi - streamDesc.mIndexMin)) / - (streamDesc.mIndexMax - streamDesc.mIndexMin); - - // find what part of the curve this index volume belongs to, or if it's out of bounds - int segment = 0; - if (volIdx < curve[ApmGains::VOLMIN].mIndex) { // out of bounds - return 0.0f; - } else if (volIdx < curve[ApmGains::VOLKNEE1].mIndex) { - segment = 0; - } else if (volIdx < curve[ApmGains::VOLKNEE2].mIndex) { - segment = 1; - } else if (volIdx <= curve[ApmGains::VOLMAX].mIndex) { - segment = 2; - } else { // out of bounds - return 1.0f; - } - - // linear interpolation in the attenuation table in dB - float decibels = curve[segment].mDBAttenuation + - ((float)(volIdx - curve[segment].mIndex)) * - ( (curve[segment+1].mDBAttenuation - - curve[segment].mDBAttenuation) / - ((float)(curve[segment+1].mIndex - - curve[segment].mIndex)) ); - - float amplification = exp( decibels * 0.115129f); // exp( dB * ln(10) / 20 ) - - ALOGVV("VOLUME vol index=[%d %d %d], dB=[%.1f %.1f %.1f] ampl=%.5f", - curve[segment].mIndex, volIdx, - curve[segment+1].mIndex, - curve[segment].mDBAttenuation, - decibels, - curve[segment+1].mDBAttenuation, - amplification); - - return amplification; -} - - - -AudioGain::AudioGain(int index, bool useInChannelMask) -{ - mIndex = index; - mUseInChannelMask = useInChannelMask; - memset(&mGain, 0, sizeof(struct audio_gain)); -} - -void AudioGain::getDefaultConfig(struct audio_gain_config *config) -{ - config->index = mIndex; - config->mode = mGain.mode; - config->channel_mask = mGain.channel_mask; - if ((mGain.mode & AUDIO_GAIN_MODE_JOINT) == AUDIO_GAIN_MODE_JOINT) { - config->values[0] = mGain.default_value; - } else { - uint32_t numValues; - if (mUseInChannelMask) { - numValues = audio_channel_count_from_in_mask(mGain.channel_mask); - } else { - numValues = audio_channel_count_from_out_mask(mGain.channel_mask); - } - for (size_t i = 0; i < numValues; i++) { - config->values[i] = mGain.default_value; - } - } - if ((mGain.mode & AUDIO_GAIN_MODE_RAMP) == AUDIO_GAIN_MODE_RAMP) { - config->ramp_duration_ms = mGain.min_ramp_ms; - } -} - -status_t AudioGain::checkConfig(const struct audio_gain_config *config) -{ - if ((config->mode & ~mGain.mode) != 0) { - return BAD_VALUE; - } - if ((config->mode & AUDIO_GAIN_MODE_JOINT) == AUDIO_GAIN_MODE_JOINT) { - if ((config->values[0] < mGain.min_value) || - (config->values[0] > mGain.max_value)) { - return BAD_VALUE; - } - } else { - if ((config->channel_mask & ~mGain.channel_mask) != 0) { - return BAD_VALUE; - } - uint32_t numValues; - if (mUseInChannelMask) { - numValues = audio_channel_count_from_in_mask(config->channel_mask); - } else { - numValues = audio_channel_count_from_out_mask(config->channel_mask); - } - for (size_t i = 0; i < numValues; i++) { - if ((config->values[i] < mGain.min_value) || - (config->values[i] > mGain.max_value)) { - return BAD_VALUE; - } - } - } - if ((config->mode & AUDIO_GAIN_MODE_RAMP) == AUDIO_GAIN_MODE_RAMP) { - if ((config->ramp_duration_ms < mGain.min_ramp_ms) || - (config->ramp_duration_ms > mGain.max_ramp_ms)) { - return BAD_VALUE; - } - } - return NO_ERROR; -} - -void AudioGain::dump(int fd, int spaces, int index) const -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - - snprintf(buffer, SIZE, "%*sGain %d:\n", spaces, "", index+1); - result.append(buffer); - snprintf(buffer, SIZE, "%*s- mode: %08x\n", spaces, "", mGain.mode); - result.append(buffer); - snprintf(buffer, SIZE, "%*s- channel_mask: %08x\n", spaces, "", mGain.channel_mask); - result.append(buffer); - snprintf(buffer, SIZE, "%*s- min_value: %d mB\n", spaces, "", mGain.min_value); - result.append(buffer); - snprintf(buffer, SIZE, "%*s- max_value: %d mB\n", spaces, "", mGain.max_value); - result.append(buffer); - snprintf(buffer, SIZE, "%*s- default_value: %d mB\n", spaces, "", mGain.default_value); - result.append(buffer); - snprintf(buffer, SIZE, "%*s- step_value: %d mB\n", spaces, "", mGain.step_value); - result.append(buffer); - snprintf(buffer, SIZE, "%*s- min_ramp_ms: %d ms\n", spaces, "", mGain.min_ramp_ms); - result.append(buffer); - snprintf(buffer, SIZE, "%*s- max_ramp_ms: %d ms\n", spaces, "", mGain.max_ramp_ms); - result.append(buffer); - - write(fd, result.string(), result.size()); -} - - -// --- 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) -{ - device = ApmGains::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::dump(int fd) -{ - 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()); -} - -}; // namespace android |