diff options
Diffstat (limited to 'services/audioflinger/AudioPolicyService.cpp')
| -rw-r--r-- | services/audioflinger/AudioPolicyService.cpp | 396 |
1 files changed, 392 insertions, 4 deletions
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp index 8e16d94..dd1e153 100644 --- a/services/audioflinger/AudioPolicyService.cpp +++ b/services/audioflinger/AudioPolicyService.cpp @@ -33,11 +33,14 @@ #include <cutils/properties.h> #include <dlfcn.h> #include <hardware_legacy/power.h> +#include <media/AudioEffect.h> +#include <media/EffectsFactoryApi.h> #include <hardware/hardware.h> #include <system/audio.h> #include <system/audio_policy.h> #include <hardware/audio_policy.h> +#include <audio_effects/audio_effects_conf.h> namespace android { @@ -101,6 +104,13 @@ AudioPolicyService::AudioPolicyService() mpAudioPolicy->set_can_mute_enforced_audible(mpAudioPolicy, !forced_val); LOGI("Loaded audio policy from %s (%s)", module->name, module->id); + + // load audio pre processing modules + if (access(AUDIO_EFFECT_VENDOR_CONFIG_FILE, R_OK) == 0) { + loadPreProcessorConfig(AUDIO_EFFECT_VENDOR_CONFIG_FILE); + } else if (access(AUDIO_EFFECT_DEFAULT_CONFIG_FILE, R_OK) == 0) { + loadPreProcessorConfig(AUDIO_EFFECT_DEFAULT_CONFIG_FILE); + } } AudioPolicyService::~AudioPolicyService() @@ -110,6 +120,31 @@ AudioPolicyService::~AudioPolicyService() mAudioCommandThread->exit(); mAudioCommandThread.clear(); + + // release audio pre processing resources + for (size_t i = 0; i < mInputSources.size(); i++) { + InputSourceDesc *source = mInputSources.valueAt(i); + Vector <EffectDesc *> effects = source->mEffects; + for (size_t j = 0; j < effects.size(); j++) { + delete effects[j]->mName; + Vector <effect_param_t *> params = effects[j]->mParams; + for (size_t k = 0; k < params.size(); k++) { + delete params[k]; + } + params.clear(); + delete effects[j]; + } + effects.clear(); + delete source; + } + mInputSources.clear(); + + for (size_t i = 0; i < mInputs.size(); i++) { + mInputs.valueAt(i)->mEffects.clear(); + delete mInputs.valueAt(i); + } + mInputs.clear(); + if (mpAudioPolicy && mpAudioPolicyDev) mpAudioPolicyDev->destroy_audio_policy(mpAudioPolicyDev, mpAudioPolicy); if (mpAudioPolicyDev) @@ -276,13 +311,51 @@ audio_io_handle_t AudioPolicyService::getInput(int inputSource, uint32_t samplingRate, uint32_t format, uint32_t channels, - audio_in_acoustics_t acoustics) + audio_in_acoustics_t acoustics, + int audioSession) { if (mpAudioPolicy == NULL) { return 0; } Mutex::Autolock _l(mLock); - return mpAudioPolicy->get_input(mpAudioPolicy, inputSource, samplingRate, format, channels, acoustics); + audio_io_handle_t input = mpAudioPolicy->get_input(mpAudioPolicy, inputSource, samplingRate, + format, channels, acoustics); + + if (input == 0) { + return input; + } + // create audio pre processors according to input source + ssize_t index = mInputSources.indexOfKey((audio_source_t)inputSource); + if (index < 0) { + return input; + } + ssize_t idx = mInputs.indexOfKey(input); + InputDesc *inputDesc; + if (idx < 0) { + inputDesc = new InputDesc(); + inputDesc->mSessionId = audioSession; + mInputs.add(input, inputDesc); + } else { + inputDesc = mInputs.valueAt(idx); + } + + Vector <EffectDesc *> effects = mInputSources.valueAt(index)->mEffects; + for (size_t i = 0; i < effects.size(); i++) { + EffectDesc *effect = effects[i]; + sp<AudioEffect> fx = new AudioEffect(NULL, &effect->mUuid, -1, 0, 0, audioSession, input); + status_t status = fx->initCheck(); + if (status != NO_ERROR && status != ALREADY_EXISTS) { + LOGW("Failed to create Fx %s on input %d", effect->mName, input); + // fx goes out of scope and strong ref on AudioEffect is released + continue; + } + for (size_t j = 0; j < effect->mParams.size(); j++) { + fx->setParameter(effect->mParams[j]); + } + inputDesc->mEffects.add(fx); + } + setPreProcessorEnabled(inputDesc, true); + return input; } status_t AudioPolicyService::startInput(audio_io_handle_t input) @@ -291,6 +364,7 @@ status_t AudioPolicyService::startInput(audio_io_handle_t input) return NO_INIT; } Mutex::Autolock _l(mLock); + return mpAudioPolicy->start_input(mpAudioPolicy, input); } @@ -300,6 +374,7 @@ status_t AudioPolicyService::stopInput(audio_io_handle_t input) return NO_INIT; } Mutex::Autolock _l(mLock); + return mpAudioPolicy->stop_input(mpAudioPolicy, input); } @@ -310,6 +385,16 @@ void AudioPolicyService::releaseInput(audio_io_handle_t input) } Mutex::Autolock _l(mLock); mpAudioPolicy->release_input(mpAudioPolicy, input); + + ssize_t index = mInputs.indexOfKey(input); + if (index < 0) { + return; + } + InputDesc *inputDesc = mInputs.valueAt(index); + setPreProcessorEnabled(inputDesc, false); + inputDesc->mEffects.clear(); + delete inputDesc; + mInputs.removeItemsAt(index); } status_t AudioPolicyService::initStreamVolume(audio_stream_type_t stream, @@ -384,7 +469,7 @@ audio_io_handle_t AudioPolicyService::getOutputForEffect(effect_descriptor_t *de } status_t AudioPolicyService::registerEffect(effect_descriptor_t *desc, - audio_io_handle_t output, + audio_io_handle_t io, uint32_t strategy, int session, int id) @@ -392,7 +477,7 @@ status_t AudioPolicyService::registerEffect(effect_descriptor_t *desc, if (mpAudioPolicy == NULL) { return NO_INIT; } - return mpAudioPolicy->register_effect(mpAudioPolicy, desc, output, strategy, session, id); + return mpAudioPolicy->register_effect(mpAudioPolicy, desc, io, strategy, session, id); } status_t AudioPolicyService::unregisterEffect(int id) @@ -489,6 +574,15 @@ status_t AudioPolicyService::dumpPermissionDenial(int fd) return NO_ERROR; } +void AudioPolicyService::setPreProcessorEnabled(InputDesc *inputDesc, bool enabled) +{ + Vector<sp<AudioEffect> > fxVector = inputDesc->mEffects; + for (size_t i = 0; i < fxVector.size(); i++) { + sp<AudioEffect> fx = fxVector.itemAt(i); + fx->setEnabled(enabled); + } +} + status_t AudioPolicyService::onTransact( uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { @@ -918,6 +1012,300 @@ int AudioPolicyService::setVoiceVolume(float volume, int delayMs) return (int)mAudioCommandThread->voiceVolumeCommand(volume, delayMs); } +// ---------------------------------------------------------------------------- +// Audio pre-processing configuration +// ---------------------------------------------------------------------------- + +const char *AudioPolicyService::kInputSourceNames[AUDIO_SOURCE_CNT -1] = { + MIC_SRC_TAG, + VOICE_UL_SRC_TAG, + VOICE_DL_SRC_TAG, + VOICE_CALL_SRC_TAG, + CAMCORDER_SRC_TAG, + VOICE_REC_SRC_TAG, + VOICE_COMM_SRC_TAG +}; + +// returns the audio_source_t enum corresponding to the input source name or +// AUDIO_SOURCE_CNT is no match found +audio_source_t AudioPolicyService::inputSourceNameToEnum(const char *name) +{ + int i; + for (i = AUDIO_SOURCE_MIC; i < AUDIO_SOURCE_CNT; i++) { + if (strcmp(name, kInputSourceNames[i - AUDIO_SOURCE_MIC]) == 0) { + LOGV("inputSourceNameToEnum found source %s %d", name, i); + break; + } + } + return (audio_source_t)i; +} + +size_t AudioPolicyService::growParamSize(char *param, + size_t size, + size_t *curSize, + size_t *totSize) +{ + // *curSize is at least sizeof(effect_param_t) + 2 * sizeof(int) + size_t pos = ((*curSize - 1 ) / size + 1) * size; + + if (pos + size > *totSize) { + while (pos + size > *totSize) { + *totSize += ((*totSize + 7) / 8) * 4; + } + param = (char *)realloc(param, *totSize); + } + *curSize = pos + size; + return pos; +} + +size_t AudioPolicyService::readParamValue(cnode *node, + char *param, + size_t *curSize, + size_t *totSize) +{ + if (strncmp(node->name, SHORT_TAG, sizeof(SHORT_TAG) + 1) == 0) { + size_t pos = growParamSize(param, sizeof(short), curSize, totSize); + *(short *)((char *)param + pos) = (short)atoi(node->value); + LOGV("readParamValue() reading short %d", *(short *)((char *)param + pos)); + return sizeof(short); + } else if (strncmp(node->name, INT_TAG, sizeof(INT_TAG) + 1) == 0) { + size_t pos = growParamSize(param, sizeof(int), curSize, totSize); + *(int *)((char *)param + pos) = atoi(node->value); + LOGV("readParamValue() reading int %d", *(int *)((char *)param + pos)); + return sizeof(int); + } else if (strncmp(node->name, FLOAT_TAG, sizeof(FLOAT_TAG) + 1) == 0) { + size_t pos = growParamSize(param, sizeof(float), curSize, totSize); + *(float *)((char *)param + pos) = (float)atof(node->value); + LOGV("readParamValue() reading float %f",*(float *)((char *)param + pos)); + return sizeof(float); + } else if (strncmp(node->name, BOOL_TAG, sizeof(BOOL_TAG) + 1) == 0) { + size_t pos = growParamSize(param, sizeof(bool), curSize, totSize); + if (strncmp(node->value, "false", strlen("false") + 1) == 0) { + *(bool *)((char *)param + pos) = false; + } else { + *(bool *)((char *)param + pos) = true; + } + LOGV("readParamValue() reading bool %s",*(bool *)((char *)param + pos) ? "true" : "false"); + return sizeof(bool); + } else if (strncmp(node->name, STRING_TAG, sizeof(STRING_TAG) + 1) == 0) { + size_t len = strnlen(node->value, EFFECT_STRING_LEN_MAX); + if (*curSize + len + 1 > *totSize) { + *totSize = *curSize + len + 1; + param = (char *)realloc(param, *totSize); + } + strncpy(param + *curSize, node->value, len); + *curSize += len; + param[*curSize] = '\0'; + LOGV("readParamValue() reading string %s", param + *curSize - len); + return len; + } + LOGW("readParamValue() unknown param type %s", node->name); + return 0; +} + +effect_param_t *AudioPolicyService::loadEffectParameter(cnode *root) +{ + cnode *param; + cnode *value; + size_t curSize = sizeof(effect_param_t); + size_t totSize = sizeof(effect_param_t) + 2 * sizeof(int); + effect_param_t *fx_param = (effect_param_t *)malloc(totSize); + + param = config_find(root, PARAM_TAG); + value = config_find(root, VALUE_TAG); + if (param == NULL && value == NULL) { + // try to parse simple parameter form {int int} + param = root->first_child; + if (param) { + // Note: that a pair of random strings is read as 0 0 + int *ptr = (int *)fx_param->data; + int *ptr2 = (int *)((char *)param + sizeof(effect_param_t)); + LOGW("loadEffectParameter() ptr %p ptr2 %p", ptr, ptr2); + *ptr++ = atoi(param->name); + *ptr = atoi(param->value); + fx_param->psize = sizeof(int); + fx_param->vsize = sizeof(int); + return fx_param; + } + } + if (param == NULL || value == NULL) { + LOGW("loadEffectParameter() invalid parameter description %s", root->name); + goto error; + } + + fx_param->psize = 0; + param = param->first_child; + while (param) { + LOGV("loadEffectParameter() reading param of type %s", param->name); + size_t size = readParamValue(param, (char *)fx_param, &curSize, &totSize); + if (size == 0) { + goto error; + } + fx_param->psize += size; + param = param->next; + } + + // align start of value field on 32 bit boundary + curSize = ((curSize - 1 ) / sizeof(int) + 1) * sizeof(int); + + fx_param->vsize = 0; + value = value->first_child; + while (value) { + LOGV("loadEffectParameter() reading value of type %s", value->name); + size_t size = readParamValue(value, (char *)fx_param, &curSize, &totSize); + if (size == 0) { + goto error; + } + fx_param->vsize += size; + value = value->next; + } + + return fx_param; + +error: + delete fx_param; + return NULL; +} + +void AudioPolicyService::loadEffectParameters(cnode *root, Vector <effect_param_t *>& params) +{ + cnode *node = root->first_child; + while (node) { + LOGV("loadEffectParameters() loading param %s", node->name); + effect_param_t *param = loadEffectParameter(node); + if (param == NULL) { + node = node->next; + continue; + } + params.add(param); + node = node->next; + } +} + +AudioPolicyService::InputSourceDesc *AudioPolicyService::loadInputSource( + cnode *root, + const Vector <EffectDesc *>& effects) +{ + cnode *node = root->first_child; + if (node == NULL) { + LOGW("loadInputSource() empty element %s", root->name); + return NULL; + } + InputSourceDesc *source = new InputSourceDesc(); + while (node) { + size_t i; + for (i = 0; i < effects.size(); i++) { + if (strncmp(effects[i]->mName, node->name, EFFECT_STRING_LEN_MAX) == 0) { + LOGV("loadInputSource() found effect %s in list", node->name); + break; + } + } + if (i == effects.size()) { + LOGV("loadInputSource() effect %s not in list", node->name); + node = node->next; + continue; + } + EffectDesc *effect = new EffectDesc(*effects[i]); + loadEffectParameters(node, effect->mParams); + LOGV("loadInputSource() adding effect %s uuid %08x", effect->mName, effect->mUuid.timeLow); + source->mEffects.add(effect); + node = node->next; + } + if (source->mEffects.size() == 0) { + LOGW("loadInputSource() no valid effects found in source %s", root->name); + delete source; + return NULL; + } + return source; +} + +status_t AudioPolicyService::loadInputSources(cnode *root, const Vector <EffectDesc *>& effects) +{ + cnode *node = config_find(root, PREPROCESSING_TAG); + if (node == NULL) { + return -ENOENT; + } + node = node->first_child; + while (node) { + audio_source_t source = inputSourceNameToEnum(node->name); + if (source == AUDIO_SOURCE_CNT) { + LOGW("loadInputSources() invalid input source %s", node->name); + node = node->next; + continue; + } + LOGV("loadInputSources() loading input source %s", node->name); + InputSourceDesc *desc = loadInputSource(node, effects); + if (desc == NULL) { + node = node->next; + continue; + } + mInputSources.add(source, desc); + node = node->next; + } + return NO_ERROR; +} + +AudioPolicyService::EffectDesc *AudioPolicyService::loadEffect(cnode *root) +{ + cnode *node = config_find(root, UUID_TAG); + if (node == NULL) { + return NULL; + } + effect_uuid_t uuid; + if (AudioEffect::stringToGuid(node->value, &uuid) != NO_ERROR) { + LOGW("loadEffect() invalid uuid %s", node->value); + return NULL; + } + EffectDesc *effect = new EffectDesc(); + effect->mName = strdup(root->name); + memcpy(&effect->mUuid, &uuid, sizeof(effect_uuid_t)); + + return effect; +} + +status_t AudioPolicyService::loadEffects(cnode *root, Vector <EffectDesc *>& effects) +{ + cnode *node = config_find(root, EFFECTS_TAG); + if (node == NULL) { + return -ENOENT; + } + node = node->first_child; + while (node) { + LOGV("loadEffects() loading effect %s", node->name); + EffectDesc *effect = loadEffect(node); + if (effect == NULL) { + node = node->next; + continue; + } + effects.add(effect); + node = node->next; + } + return NO_ERROR; +} + +status_t AudioPolicyService::loadPreProcessorConfig(const char *path) +{ + cnode *root; + char *data; + + data = (char *)load_file(path, NULL); + if (data == NULL) { + return -ENODEV; + } + root = config_node("", ""); + config_load(root, data); + + Vector <EffectDesc *> effects; + loadEffects(root, effects); + loadInputSources(root, effects); + + config_free(root); + free(root); + free(data); + + return NO_ERROR; +} + /* implementation of the interface to the policy manager */ extern "C" { |