libAudioHal: factorize V2 and V4
Merge the two versions and ifdef the few
parts still different.
Test: playback music, assistant
Change-Id: I750f5d18ba34236637c18a87e2daa54a7c446d91
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/media/libaudiohal/impl/ConversionHelperHidl.cpp b/media/libaudiohal/impl/ConversionHelperHidl.cpp
new file mode 100644
index 0000000..5d12fad
--- /dev/null
+++ b/media/libaudiohal/impl/ConversionHelperHidl.cpp
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#include <string.h>
+
+#define LOG_TAG "HalHidl"
+#include <media/AudioParameter.h>
+#include <utils/Log.h>
+
+#include "ConversionHelperHidl.h"
+
+using ::android::hardware::audio::CPP_VERSION::Result;
+
+#if MAJOR_VERSION == 4
+using ::android::hardware::audio::CPP_VERSION::AudioMicrophoneChannelMapping;
+using ::android::hardware::audio::CPP_VERSION::AudioMicrophoneDirectionality;
+using ::android::hardware::audio::CPP_VERSION::AudioMicrophoneLocation;
+using ::android::hardware::audio::CPP_VERSION::DeviceAddress;
+using ::android::hardware::audio::CPP_VERSION::MicrophoneInfo;
+#endif
+
+namespace android {
+namespace CPP_VERSION {
+
+// static
+status_t ConversionHelperHidl::keysFromHal(const String8& keys, hidl_vec<hidl_string> *hidlKeys) {
+ AudioParameter halKeys(keys);
+ if (halKeys.size() == 0) return BAD_VALUE;
+ hidlKeys->resize(halKeys.size());
+ //FIXME: keyStreamSupportedChannels and keyStreamSupportedSamplingRates come with a
+ // "keyFormat=<value>" pair. We need to transform it into a single key string so that it is
+ // carried over to the legacy HAL via HIDL.
+ String8 value;
+ bool keepFormatValue = halKeys.size() == 2 &&
+ (halKeys.get(String8(AudioParameter::keyStreamSupportedChannels), value) == NO_ERROR ||
+ halKeys.get(String8(AudioParameter::keyStreamSupportedSamplingRates), value) == NO_ERROR);
+
+ for (size_t i = 0; i < halKeys.size(); ++i) {
+ String8 key;
+ status_t status = halKeys.getAt(i, key);
+ if (status != OK) return status;
+ if (keepFormatValue && key == AudioParameter::keyFormat) {
+ AudioParameter formatParam;
+ halKeys.getAt(i, key, value);
+ formatParam.add(key, value);
+ key = formatParam.toString();
+ }
+ (*hidlKeys)[i] = key.string();
+ }
+ return OK;
+}
+
+// static
+status_t ConversionHelperHidl::parametersFromHal(
+ const String8& kvPairs, hidl_vec<ParameterValue> *hidlParams) {
+ AudioParameter params(kvPairs);
+ if (params.size() == 0) return BAD_VALUE;
+ hidlParams->resize(params.size());
+ for (size_t i = 0; i < params.size(); ++i) {
+ String8 key, value;
+ status_t status = params.getAt(i, key, value);
+ if (status != OK) return status;
+ (*hidlParams)[i].key = key.string();
+ (*hidlParams)[i].value = value.string();
+ }
+ return OK;
+}
+
+// static
+void ConversionHelperHidl::parametersToHal(
+ const hidl_vec<ParameterValue>& parameters, String8 *values) {
+ AudioParameter params;
+ for (size_t i = 0; i < parameters.size(); ++i) {
+ params.add(String8(parameters[i].key.c_str()), String8(parameters[i].value.c_str()));
+ }
+ values->setTo(params.toString());
+}
+
+ConversionHelperHidl::ConversionHelperHidl(const char* className)
+ : mClassName(className) {
+}
+
+// static
+status_t ConversionHelperHidl::analyzeResult(const Result& result) {
+ switch (result) {
+ case Result::OK: return OK;
+ case Result::INVALID_ARGUMENTS: return BAD_VALUE;
+ case Result::INVALID_STATE: return NOT_ENOUGH_DATA;
+ case Result::NOT_INITIALIZED: return NO_INIT;
+ case Result::NOT_SUPPORTED: return INVALID_OPERATION;
+ default: return NO_INIT;
+ }
+}
+
+void ConversionHelperHidl::emitError(const char* funcName, const char* description) {
+ ALOGE("%s %p %s: %s (from rpc)", mClassName, this, funcName, description);
+}
+
+#if MAJOR_VERSION == 4
+// TODO: Use the same implementation in the hal when it moves to a util library.
+static std::string deviceAddressToHal(const DeviceAddress& address) {
+ // HAL assumes that the address is NUL-terminated.
+ char halAddress[AUDIO_DEVICE_MAX_ADDRESS_LEN];
+ memset(halAddress, 0, sizeof(halAddress));
+ audio_devices_t halDevice = static_cast<audio_devices_t>(address.device);
+ const bool isInput = (halDevice & AUDIO_DEVICE_BIT_IN) != 0;
+ if (isInput) halDevice &= ~AUDIO_DEVICE_BIT_IN;
+ if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_ALL_A2DP) != 0) ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "%02X:%02X:%02X:%02X:%02X:%02X",
+ address.address.mac[0], address.address.mac[1], address.address.mac[2],
+ address.address.mac[3], address.address.mac[4], address.address.mac[5]);
+ } else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_IP) != 0) ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_IP) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "%d.%d.%d.%d", address.address.ipv4[0],
+ address.address.ipv4[1], address.address.ipv4[2], address.address.ipv4[3]);
+ } else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_ALL_USB) != 0) ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_ALL_USB) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "card=%d;device=%d", address.address.alsa.card,
+ address.address.alsa.device);
+ } else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_BUS) != 0) ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_BUS) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "%s", address.busAddress.c_str());
+ } else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_REMOTE_SUBMIX)) != 0 ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_REMOTE_SUBMIX) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "%s", address.rSubmixAddress.c_str());
+ } else {
+ snprintf(halAddress, sizeof(halAddress), "%s", address.busAddress.c_str());
+ }
+ return halAddress;
+}
+
+//local conversion helpers
+
+static audio_microphone_channel_mapping_t channelMappingToHal(AudioMicrophoneChannelMapping mapping) {
+ switch (mapping) {
+ case AudioMicrophoneChannelMapping::UNUSED:
+ return AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED;
+ case AudioMicrophoneChannelMapping::DIRECT:
+ return AUDIO_MICROPHONE_CHANNEL_MAPPING_DIRECT;
+ case AudioMicrophoneChannelMapping::PROCESSED:
+ return AUDIO_MICROPHONE_CHANNEL_MAPPING_PROCESSED;
+ default:
+ LOG_ALWAYS_FATAL("Unknown channelMappingToHal conversion %d", mapping);
+ }
+}
+
+static audio_microphone_location_t locationToHal(AudioMicrophoneLocation location) {
+ switch (location) {
+ case AudioMicrophoneLocation::UNKNOWN:
+ return AUDIO_MICROPHONE_LOCATION_UNKNOWN;
+ case AudioMicrophoneLocation::MAINBODY:
+ return AUDIO_MICROPHONE_LOCATION_MAINBODY;
+ case AudioMicrophoneLocation::MAINBODY_MOVABLE:
+ return AUDIO_MICROPHONE_LOCATION_MAINBODY_MOVABLE;
+ case AudioMicrophoneLocation::PERIPHERAL:
+ return AUDIO_MICROPHONE_LOCATION_PERIPHERAL;
+ default:
+ LOG_ALWAYS_FATAL("Unknown locationToHal conversion %d", location);
+ }
+}
+static audio_microphone_directionality_t directionalityToHal(AudioMicrophoneDirectionality dir) {
+ switch (dir) {
+ case AudioMicrophoneDirectionality::UNKNOWN:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_UNKNOWN;
+ case AudioMicrophoneDirectionality::OMNI:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_OMNI;
+ case AudioMicrophoneDirectionality::BI_DIRECTIONAL:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_BI_DIRECTIONAL;
+ case AudioMicrophoneDirectionality::CARDIOID:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_CARDIOID;
+ case AudioMicrophoneDirectionality::HYPER_CARDIOID:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_HYPER_CARDIOID;
+ case AudioMicrophoneDirectionality::SUPER_CARDIOID:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_SUPER_CARDIOID;
+ default:
+ LOG_ALWAYS_FATAL("Unknown directionalityToHal conversion %d", dir);
+ }
+}
+
+void microphoneInfoToHal(const MicrophoneInfo& src,
+ audio_microphone_characteristic_t *pDst) {
+ if (pDst != NULL) {
+ snprintf(pDst->device_id, sizeof(pDst->device_id),
+ "%s", src.deviceId.c_str());
+ pDst->device = static_cast<audio_devices_t>(src.deviceAddress.device);
+ snprintf(pDst->address, sizeof(pDst->address),
+ "%s", deviceAddressToHal(src.deviceAddress).c_str());
+ if (src.channelMapping.size() > AUDIO_CHANNEL_COUNT_MAX) {
+ ALOGW("microphoneInfoToStruct found %zu channelMapping elements. Max expected is %d",
+ src.channelMapping.size(), AUDIO_CHANNEL_COUNT_MAX);
+ }
+ size_t ch;
+ for (ch = 0; ch < src.channelMapping.size() && ch < AUDIO_CHANNEL_COUNT_MAX; ch++) {
+ pDst->channel_mapping[ch] = channelMappingToHal(src.channelMapping[ch]);
+ }
+ for (; ch < AUDIO_CHANNEL_COUNT_MAX; ch++) {
+ pDst->channel_mapping[ch] = AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED;
+ }
+ pDst->location = locationToHal(src.location);
+ pDst->group = (audio_microphone_group_t)src.group;
+ pDst->index_in_the_group = (unsigned int)src.indexInTheGroup;
+ pDst->sensitivity = src.sensitivity;
+ pDst->max_spl = src.maxSpl;
+ pDst->min_spl = src.minSpl;
+ pDst->directionality = directionalityToHal(src.directionality);
+ pDst->num_frequency_responses = (unsigned int)src.frequencyResponse.size();
+ if (pDst->num_frequency_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) {
+ ALOGW("microphoneInfoToStruct found %d frequency responses. Max expected is %d",
+ pDst->num_frequency_responses, AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES);
+ pDst->num_frequency_responses = AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES;
+ }
+ for (size_t k = 0; k < pDst->num_frequency_responses; k++) {
+ pDst->frequency_responses[0][k] = src.frequencyResponse[k].frequency;
+ pDst->frequency_responses[1][k] = src.frequencyResponse[k].level;
+ }
+ pDst->geometric_location.x = src.position.x;
+ pDst->geometric_location.y = src.position.y;
+ pDst->geometric_location.z = src.position.z;
+ pDst->orientation.x = src.orientation.x;
+ pDst->orientation.y = src.orientation.y;
+ pDst->orientation.z = src.orientation.z;
+ }
+}
+#endif
+
+} // namespace CPP_VERSION
+} // namespace android