317 lines
11 KiB
C++
317 lines
11 KiB
C++
/*
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* Copyright (C) 2009 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 "AudioPolicyService"
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//#define LOG_NDEBUG 0
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#include "Configuration.h"
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#undef __STRICT_ANSI__
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#define __STDINT_LIMITS
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#define __STDC_LIMIT_MACROS
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#include <stdint.h>
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#include <sys/time.h>
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#include <binder/IServiceManager.h>
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#include <utils/Log.h>
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#include <cutils/properties.h>
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#include <binder/IPCThreadState.h>
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#include <utils/String16.h>
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#include <utils/threads.h>
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#include "AudioPolicyService.h"
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#include "ServiceUtilities.h"
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#include <hardware_legacy/power.h>
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#include <media/AudioEffect.h>
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#include <media/EffectsFactoryApi.h>
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//#include <media/IAudioFlinger.h>
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#include <hardware/hardware.h>
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#include <system/audio.h>
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#include <system/audio_policy.h>
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#include <hardware/audio_policy.h>
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#include <audio_effects/audio_effects_conf.h>
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#include <media/AudioParameter.h>
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namespace android {
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/* implementation of the interface to the policy manager */
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extern "C" {
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audio_module_handle_t aps_load_hw_module(void *service __unused,
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const char *name)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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ALOGW("%s: could not get AudioFlinger", __func__);
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return AUDIO_MODULE_HANDLE_NONE;
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}
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return af->loadHwModule(name);
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}
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static audio_io_handle_t open_output(audio_module_handle_t module,
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audio_devices_t *pDevices,
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uint32_t *pSamplingRate,
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audio_format_t *pFormat,
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audio_channel_mask_t *pChannelMask,
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uint32_t *pLatencyMs,
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audio_output_flags_t flags,
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const audio_offload_info_t *offloadInfo)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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ALOGW("%s: could not get AudioFlinger", __func__);
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return AUDIO_IO_HANDLE_NONE;
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}
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if (pSamplingRate == NULL || pFormat == NULL || pChannelMask == NULL ||
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pDevices == NULL || pLatencyMs == NULL) {
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return AUDIO_IO_HANDLE_NONE;
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}
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audio_config_t config = AUDIO_CONFIG_INITIALIZER;
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config.sample_rate = *pSamplingRate;
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config.format = *pFormat;
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config.channel_mask = *pChannelMask;
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if (offloadInfo != NULL) {
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config.offload_info = *offloadInfo;
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}
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audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
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status_t status = af->openOutput(module, &output, &config, pDevices,
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String8(""), pLatencyMs, flags);
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if (status == NO_ERROR) {
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*pSamplingRate = config.sample_rate;
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*pFormat = config.format;
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*pChannelMask = config.channel_mask;
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if (offloadInfo != NULL) {
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*((audio_offload_info_t *)offloadInfo) = config.offload_info;
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}
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}
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return output;
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}
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// deprecated: replaced by aps_open_output_on_module()
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audio_io_handle_t aps_open_output(void *service __unused,
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audio_devices_t *pDevices,
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uint32_t *pSamplingRate,
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audio_format_t *pFormat,
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audio_channel_mask_t *pChannelMask,
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uint32_t *pLatencyMs,
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audio_output_flags_t flags)
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{
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return open_output(AUDIO_MODULE_HANDLE_NONE, pDevices, pSamplingRate, pFormat, pChannelMask,
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pLatencyMs, flags, NULL);
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}
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audio_io_handle_t aps_open_output_on_module(void *service __unused,
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audio_module_handle_t module,
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audio_devices_t *pDevices,
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uint32_t *pSamplingRate,
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audio_format_t *pFormat,
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audio_channel_mask_t *pChannelMask,
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uint32_t *pLatencyMs,
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audio_output_flags_t flags,
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const audio_offload_info_t *offloadInfo)
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{
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return open_output(module, pDevices, pSamplingRate, pFormat, pChannelMask,
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pLatencyMs, flags, offloadInfo);
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}
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audio_io_handle_t aps_open_dup_output(void *service __unused,
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audio_io_handle_t output1,
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audio_io_handle_t output2)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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ALOGW("%s: could not get AudioFlinger", __func__);
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return 0;
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}
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return af->openDuplicateOutput(output1, output2);
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}
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int aps_close_output(void *service __unused, audio_io_handle_t output)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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return PERMISSION_DENIED;
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}
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return af->closeOutput(output);
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}
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int aps_suspend_output(void *service __unused, audio_io_handle_t output)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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ALOGW("%s: could not get AudioFlinger", __func__);
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return PERMISSION_DENIED;
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}
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return af->suspendOutput(output);
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}
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int aps_restore_output(void *service __unused, audio_io_handle_t output)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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ALOGW("%s: could not get AudioFlinger", __func__);
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return PERMISSION_DENIED;
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}
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return af->restoreOutput(output);
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}
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static audio_io_handle_t open_input(audio_module_handle_t module,
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audio_devices_t *pDevices,
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uint32_t *pSamplingRate,
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audio_format_t *pFormat,
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audio_channel_mask_t *pChannelMask)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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ALOGW("%s: could not get AudioFlinger", __func__);
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return AUDIO_IO_HANDLE_NONE;
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}
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if (pSamplingRate == NULL || pFormat == NULL || pChannelMask == NULL || pDevices == NULL) {
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return AUDIO_IO_HANDLE_NONE;
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}
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if (((*pDevices & AUDIO_DEVICE_IN_REMOTE_SUBMIX) == AUDIO_DEVICE_IN_REMOTE_SUBMIX)
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&& !captureAudioOutputAllowed(IPCThreadState::self()->getCallingPid(),
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IPCThreadState::self()->getCallingUid())) {
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ALOGE("open_input() permission denied: capture not allowed");
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return AUDIO_IO_HANDLE_NONE;
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}
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audio_config_t config = AUDIO_CONFIG_INITIALIZER;;
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config.sample_rate = *pSamplingRate;
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config.format = *pFormat;
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config.channel_mask = *pChannelMask;
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audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
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status_t status = af->openInput(module, &input, &config, pDevices,
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String8(""), AUDIO_SOURCE_MIC, AUDIO_INPUT_FLAG_FAST /*FIXME*/);
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if (status == NO_ERROR) {
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*pSamplingRate = config.sample_rate;
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*pFormat = config.format;
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*pChannelMask = config.channel_mask;
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}
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return input;
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}
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// deprecated: replaced by aps_open_input_on_module(), and acoustics parameter is ignored
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audio_io_handle_t aps_open_input(void *service __unused,
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audio_devices_t *pDevices,
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uint32_t *pSamplingRate,
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audio_format_t *pFormat,
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audio_channel_mask_t *pChannelMask,
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audio_in_acoustics_t acoustics __unused)
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{
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return open_input(AUDIO_MODULE_HANDLE_NONE, pDevices, pSamplingRate, pFormat, pChannelMask);
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}
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audio_io_handle_t aps_open_input_on_module(void *service __unused,
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audio_module_handle_t module,
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audio_devices_t *pDevices,
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uint32_t *pSamplingRate,
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audio_format_t *pFormat,
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audio_channel_mask_t *pChannelMask)
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{
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return open_input(module, pDevices, pSamplingRate, pFormat, pChannelMask);
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}
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int aps_close_input(void *service __unused, audio_io_handle_t input)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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return PERMISSION_DENIED;
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}
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return af->closeInput(input);
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}
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int aps_invalidate_stream(void *service __unused, audio_stream_type_t stream)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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return PERMISSION_DENIED;
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}
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return af->invalidateStream(stream);
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}
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int aps_move_effects(void *service __unused, audio_session_t session,
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audio_io_handle_t src_output,
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audio_io_handle_t dst_output)
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{
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sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
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if (af == 0) {
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return PERMISSION_DENIED;
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}
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return af->moveEffects(session, src_output, dst_output);
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}
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char * aps_get_parameters(void *service __unused, audio_io_handle_t io_handle,
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const char *keys)
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{
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String8 result = AudioSystem::getParameters(io_handle, String8(keys));
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return strdup(result.string());
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}
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void aps_set_parameters(void *service, audio_io_handle_t io_handle,
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const char *kv_pairs, int delay_ms)
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{
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AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
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audioPolicyService->setParameters(io_handle, kv_pairs, delay_ms);
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}
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int aps_set_stream_volume(void *service, audio_stream_type_t stream,
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float volume, audio_io_handle_t output,
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int delay_ms)
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{
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AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
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return audioPolicyService->setStreamVolume(stream, volume, output,
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delay_ms);
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}
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int aps_start_tone(void *service, audio_policy_tone_t tone,
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audio_stream_type_t stream)
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{
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AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
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return audioPolicyService->startTone(tone, stream);
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}
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int aps_stop_tone(void *service)
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{
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AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
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return audioPolicyService->stopTone();
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}
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int aps_set_voice_volume(void *service, float volume, int delay_ms)
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{
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AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
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return audioPolicyService->setVoiceVolume(volume, delay_ms);
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}
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}; // extern "C"
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}; // namespace android
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