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authorJean-Michel Trivi <jmtrivi@google.com>2015-01-23 16:45:18 -0800
committerJean-Michel Trivi <jmtrivi@google.com>2015-02-18 17:29:20 -0800
commit56ec4ffcbae8aeac6c5245fc7b825d02e2e6cefd (patch)
tree914941adb956f3af389b9a7b955f3534eec4fe7a /services/audiopolicy/managerdefault/ConfigParsingUtils.cpp
parent8f7b7fa417566e9a6a29ea9f0e220b3cd6d1a9e3 (diff)
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Refactor AudioPolicyManager
AudioPolicyManager implementation is now split into the following files: files managerdefault/Gains.* class AudioGain class VolumeCurvePoint class StreamDescriptor files managerdefault/Devices.* class DeviceDescriptor class DeviceVector files managerdefault/Ports.* class AudioPort class AudioPortConfig class AudioPatch files managerdefault/IOProfile.* class IOProfile files managerdefault/HwModule.* class HwModule files managerdefault/AudioInputDescriptor.* class AudioInputDescriptor files managerdefault/AudioOutputDescriptor.* class AudioOutputDescriptor All files for libaudiopolicyservice are moved under service/ All files for libaudiopolicymanager are moved under manager/ Change-Id: I43758be1894e37d34db194b51a19ae24461e066e
Diffstat (limited to 'services/audiopolicy/managerdefault/ConfigParsingUtils.cpp')
-rw-r--r--services/audiopolicy/managerdefault/ConfigParsingUtils.cpp121
1 files changed, 121 insertions, 0 deletions
diff --git a/services/audiopolicy/managerdefault/ConfigParsingUtils.cpp b/services/audiopolicy/managerdefault/ConfigParsingUtils.cpp
new file mode 100644
index 0000000..1afd487
--- /dev/null
+++ b/services/audiopolicy/managerdefault/ConfigParsingUtils.cpp
@@ -0,0 +1,121 @@
+/*
+ * 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::ConfigParsingUtils"
+//#define LOG_NDEBUG 0
+
+#include "AudioPolicyManager.h"
+
+namespace android {
+
+//static
+uint32_t ConfigParsingUtils::stringToEnum(const struct StringToEnum *table,
+ size_t size,
+ const char *name)
+{
+ for (size_t i = 0; i < size; i++) {
+ if (strcmp(table[i].name, name) == 0) {
+ ALOGV("stringToEnum() found %s", table[i].name);
+ return table[i].value;
+ }
+ }
+ return 0;
+}
+
+//static
+const char *ConfigParsingUtils::enumToString(const struct StringToEnum *table,
+ size_t size,
+ uint32_t value)
+{
+ for (size_t i = 0; i < size; i++) {
+ if (table[i].value == value) {
+ return table[i].name;
+ }
+ }
+ return "";
+}
+
+//static
+bool ConfigParsingUtils::stringToBool(const char *value)
+{
+ return ((strcasecmp("true", value) == 0) || (strcmp("1", value) == 0));
+}
+
+
+// --- audio_policy.conf file parsing
+//static
+uint32_t ConfigParsingUtils::parseOutputFlagNames(char *name)
+{
+ uint32_t flag = 0;
+
+ // it is OK to cast name to non const here as we are not going to use it after
+ // strtok() modifies it
+ char *flagName = strtok(name, "|");
+ while (flagName != NULL) {
+ if (strlen(flagName) != 0) {
+ flag |= ConfigParsingUtils::stringToEnum(sOutputFlagNameToEnumTable,
+ ARRAY_SIZE(sOutputFlagNameToEnumTable),
+ flagName);
+ }
+ flagName = strtok(NULL, "|");
+ }
+ //force direct flag if offload flag is set: offloading implies a direct output stream
+ // and all common behaviors are driven by checking only the direct flag
+ // this should normally be set appropriately in the policy configuration file
+ if ((flag & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
+ flag |= AUDIO_OUTPUT_FLAG_DIRECT;
+ }
+
+ return flag;
+}
+
+//static
+uint32_t ConfigParsingUtils::parseInputFlagNames(char *name)
+{
+ uint32_t flag = 0;
+
+ // it is OK to cast name to non const here as we are not going to use it after
+ // strtok() modifies it
+ char *flagName = strtok(name, "|");
+ while (flagName != NULL) {
+ if (strlen(flagName) != 0) {
+ flag |= stringToEnum(sInputFlagNameToEnumTable,
+ ARRAY_SIZE(sInputFlagNameToEnumTable),
+ flagName);
+ }
+ flagName = strtok(NULL, "|");
+ }
+ return flag;
+}
+
+//static
+audio_devices_t ConfigParsingUtils::parseDeviceNames(char *name)
+{
+ uint32_t device = 0;
+
+ char *devName = strtok(name, "|");
+ while (devName != NULL) {
+ if (strlen(devName) != 0) {
+ device |= stringToEnum(sDeviceNameToEnumTable,
+ ARRAY_SIZE(sDeviceNameToEnumTable),
+ devName);
+ }
+ devName = strtok(NULL, "|");
+ }
+ return device;
+}
+
+}; // namespace android