1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_MEDIA_MEDIAMETRICSCONSTANTS_H
18 #define ANDROID_MEDIA_MEDIAMETRICSCONSTANTS_H
19 
20 /*
21  * MediaMetrics Keys and Properties.
22  *
23  * C/C++ friendly constants that ensure
24  * 1) Compilation error on misspelling
25  * 2) Consistent behavior and documentation.
26  */
27 
28 /*
29  * Taxonomy of audio keys
30  *
31  * To build longer keys, we use compiler string concatenation of
32  * adjacent string literals.  This is done in the translation phase
33  * of compilation to make a single string token.
34  */
35 
36 // Key Prefixes are used for MediaMetrics Item Keys and ends with a ".".
37 // They must be appended with another value to make a key.
38 #define AMEDIAMETRICS_KEY_PREFIX_AUDIO "audio."
39 
40 // Device related key prefix.
41 #define AMEDIAMETRICS_KEY_PREFIX_AUDIO_DEVICE  AMEDIAMETRICS_KEY_PREFIX_AUDIO "device."
42 
43 // The AudioMmap key appends the "trackId" to the prefix.
44 // This is the AudioFlinger equivalent of the AAudio Stream.
45 // TODO: unify with AMEDIAMETRICS_KEY_PREFIX_AUDIO_STREAM
46 #define AMEDIAMETRICS_KEY_PREFIX_AUDIO_MMAP  AMEDIAMETRICS_KEY_PREFIX_AUDIO "mmap."
47 
48 // The AudioRecord key appends the "trackId" to the prefix.
49 #define AMEDIAMETRICS_KEY_PREFIX_AUDIO_RECORD AMEDIAMETRICS_KEY_PREFIX_AUDIO "record."
50 
51 // The AudioStream key appends the "streamId" to the prefix.
52 #define AMEDIAMETRICS_KEY_PREFIX_AUDIO_STREAM  AMEDIAMETRICS_KEY_PREFIX_AUDIO "stream."
53 
54 // The AudioThread key appends the "threadId" to the prefix.
55 #define AMEDIAMETRICS_KEY_PREFIX_AUDIO_THREAD AMEDIAMETRICS_KEY_PREFIX_AUDIO "thread."
56 
57 // The AudioTrack key appends the "trackId" to the prefix.
58 #define AMEDIAMETRICS_KEY_PREFIX_AUDIO_TRACK  AMEDIAMETRICS_KEY_PREFIX_AUDIO "track."
59 
60 // Keys are strings used for MediaMetrics Item Keys
61 #define AMEDIAMETRICS_KEY_AUDIO_FLINGER       AMEDIAMETRICS_KEY_PREFIX_AUDIO "flinger"
62 #define AMEDIAMETRICS_KEY_AUDIO_POLICY        AMEDIAMETRICS_KEY_PREFIX_AUDIO "policy"
63 
64 // Error keys
65 #define AMEDIAMETRICS_KEY_AUDIO_TRACK_ERROR   AMEDIAMETRICS_KEY_PREFIX_AUDIO_TRACK "error"
66 
67 /*
68  * MediaMetrics Properties are unified space for consistency and readability.
69  */
70 
71 // Property prefixes may be applied before a property name to indicate a specific
72 // category to which it is associated.
73 #define AMEDIAMETRICS_PROP_PREFIX_EFFECTIVE "effective."
74 #define AMEDIAMETRICS_PROP_PREFIX_HAL       "hal."
75 #define AMEDIAMETRICS_PROP_PREFIX_HAPTIC    "haptic."
76 #define AMEDIAMETRICS_PROP_PREFIX_SERVER    "server."
77 
78 // Properties within mediametrics are string constants denoted by
79 // a macro name beginning with AMEDIAMETRICS_PROP_*
80 //
81 // For a property name like "auxEffectId" we write this as a single upper case word
82 // at the end of the macro name, such as AMEDIAMETRICS_PROP_AUXEFFECTID.
83 //
84 // Underscores after the AMEDIAMETRICS_PROP_* prefix indicate
85 // a "dot" in the property name. For example AMEDIAMETRICS_PROP_VOLUME_LEFT
86 // corresponds to "volume.left".
87 //
88 // The property names are camel case, typically a lowercase letter [a-z]
89 // followed by one or more characters in the range [a-zA-Z0-9_.].
90 // Special symbols such as !@#$%^&*()[]{}<>,:;'"\/?|+-=~ are reserved.
91 //
92 // Properties within this header should include special suffixes like '#'
93 // directly in the string for brevity.  Code outside of this header should
94 // use the macro constant for the special symbols for searchability.
95 
96 // Any property that ends with a # will have duplicate values listed instead
97 // of suppressed in the Time Machine.
98 #define AMEDIAMETRICS_PROP_SUFFIX_CHAR_DUPLICATES_ALLOWED '#'
99 
100 #define AMEDIAMETRICS_PROP_ALLOWUID       "_allowUid"      // int32_t, allow client uid to post
101 #define AMEDIAMETRICS_PROP_AUDIOMODE      "audioMode"      // string (audio.flinger)
102 #define AMEDIAMETRICS_PROP_AUXEFFECTID    "auxEffectId"    // int32 (AudioTrack)
103 #define AMEDIAMETRICS_PROP_BUFFERSIZEFRAMES "bufferSizeFrames" // int32
104 #define AMEDIAMETRICS_PROP_BUFFERCAPACITYFRAMES "bufferCapacityFrames" // int32
105 #define AMEDIAMETRICS_PROP_BURSTFRAMES    "burstFrames"    // int32
106 #define AMEDIAMETRICS_PROP_CALLERNAME     "callerName"     // string, eg. "aaudio"
107 #define AMEDIAMETRICS_PROP_CHANNELCOUNT   "channelCount"   // int32
108 #define AMEDIAMETRICS_PROP_CHANNELMASK    "channelMask"    // int32
109 #define AMEDIAMETRICS_PROP_CONTENTTYPE    "contentType"    // string attributes (AudioTrack)
110 #define AMEDIAMETRICS_PROP_CUMULATIVETIMENS "cumulativeTimeNs" // int64_t playback/record time
111                                                            // since start
112 // DEVICE values are averaged since starting on device
113 #define AMEDIAMETRICS_PROP_DEVICELATENCYMS "deviceLatencyMs" // double - avg latency time
114 #define AMEDIAMETRICS_PROP_DEVICESTARTUPMS "deviceStartupMs" // double - avg startup time
115 #define AMEDIAMETRICS_PROP_DEVICETIMENS   "deviceTimeNs"   // int64_t playback/record time
116 #define AMEDIAMETRICS_PROP_DEVICEVOLUME   "deviceVolume"   // double - average device volume
117 
118 #define AMEDIAMETRICS_PROP_DIRECTION      "direction"      // string AAudio input or output
119 #define AMEDIAMETRICS_PROP_DURATIONNS     "durationNs"     // int64 duration time span
120 #define AMEDIAMETRICS_PROP_ENCODING       "encoding"       // string value of format
121 
122 #define AMEDIAMETRICS_PROP_EVENT          "event#"         // string value (often func name)
123 #define AMEDIAMETRICS_PROP_EXECUTIONTIMENS "executionTimeNs"  // time to execute the event
124 
125 // TODO: fix inconsistency in flags: AudioRecord / AudioTrack int32,  AudioThread string
126 #define AMEDIAMETRICS_PROP_FLAGS          "flags"
127 
128 #define AMEDIAMETRICS_PROP_FRAMECOUNT     "frameCount"     // int32
129 #define AMEDIAMETRICS_PROP_INPUTDEVICES   "inputDevices"   // string value
130 #define AMEDIAMETRICS_PROP_INTERNALTRACKID "internalTrackId" // int32
131 #define AMEDIAMETRICS_PROP_INTERVALCOUNT  "intervalCount"  // int32
132 #define AMEDIAMETRICS_PROP_LATENCYMS      "latencyMs"      // double value
133 #define AMEDIAMETRICS_PROP_LOGSESSIONID   "logSessionId"   // hex string, "" none
134 #define AMEDIAMETRICS_PROP_NAME           "name"           // string value
135 #define AMEDIAMETRICS_PROP_ORIGINALFLAGS  "originalFlags"  // int32
136 #define AMEDIAMETRICS_PROP_OUTPUTDEVICES  "outputDevices"  // string value
137 #define AMEDIAMETRICS_PROP_PERFORMANCEMODE "performanceMode"    // string value, "none", lowLatency"
138 #define AMEDIAMETRICS_PROP_PLAYBACK_PITCH "playback.pitch" // double value (AudioTrack)
139 #define AMEDIAMETRICS_PROP_PLAYBACK_SPEED "playback.speed" // double value (AudioTrack)
140 #define AMEDIAMETRICS_PROP_PLAYERIID      "playerIId"      // int32 (-1 invalid/unset IID)
141 #define AMEDIAMETRICS_PROP_ROUTEDDEVICEID "routedDeviceId" // int32
142 #define AMEDIAMETRICS_PROP_SAMPLERATE     "sampleRate"     // int32
143 #define AMEDIAMETRICS_PROP_SELECTEDDEVICEID "selectedDeviceId" // int32
144 #define AMEDIAMETRICS_PROP_SELECTEDMICDIRECTION "selectedMicDirection" // int32
145 #define AMEDIAMETRICS_PROP_SELECTEDMICFIELDDIRECTION "selectedMicFieldDimension" // double
146 #define AMEDIAMETRICS_PROP_SESSIONID      "sessionId"      // int32
147 #define AMEDIAMETRICS_PROP_SHARINGMODE    "sharingMode"    // string value, "exclusive", shared"
148 #define AMEDIAMETRICS_PROP_SOURCE         "source"         // string (AudioAttributes)
149 #define AMEDIAMETRICS_PROP_STARTTHRESHOLDFRAMES "startThresholdFrames" // int32 (AudioTrack)
150 #define AMEDIAMETRICS_PROP_STARTUPMS      "startupMs"      // double value
151 // State is "ACTIVE" or "STOPPED" for AudioRecord
152 #define AMEDIAMETRICS_PROP_STATE          "state"          // string
153 #define AMEDIAMETRICS_PROP_STATUS         "status#"        // int32 status_t
154                                                            // AAudio uses their own status codes
155 // Supplemental information to the status code.
156 #define AMEDIAMETRICS_PROP_STATUSSUBCODE  "statusSubCode"  // int32, specific code
157                                                            // used in conjunction with status.
158 #define AMEDIAMETRICS_PROP_STATUSMESSAGE  "statusMessage"  // string, supplemental info.
159                                                            // Arbitrary information treated as
160                                                            // informational, may be logcat msg,
161                                                            // or an exception with stack trace.
162                                                            // Treated as "debug" information.
163 
164 #define AMEDIAMETRICS_PROP_STREAMTYPE     "streamType"     // string (AudioTrack)
165 #define AMEDIAMETRICS_PROP_THREADID       "threadId"       // int32 value io handle
166 #define AMEDIAMETRICS_PROP_THROTTLEMS     "throttleMs"     // double
167 #define AMEDIAMETRICS_PROP_TRACKID        "trackId"        // int32 port id of track/record
168 #define AMEDIAMETRICS_PROP_TRAITS         "traits"         // string
169 #define AMEDIAMETRICS_PROP_TYPE           "type"           // string (thread type)
170 #define AMEDIAMETRICS_PROP_UNDERRUN       "underrun"       // int32
171 #define AMEDIAMETRICS_PROP_UNDERRUNFRAMES "underrunFrames" // int64_t from Thread
172 #define AMEDIAMETRICS_PROP_USAGE          "usage"          // string attributes (ATrack)
173 #define AMEDIAMETRICS_PROP_VOICEVOLUME    "voiceVolume"    // double (audio.flinger)
174 #define AMEDIAMETRICS_PROP_VOLUME_LEFT    "volume.left"    // double (AudioTrack)
175 #define AMEDIAMETRICS_PROP_VOLUME_RIGHT   "volume.right"   // double (AudioTrack)
176 #define AMEDIAMETRICS_PROP_WHERE          "where"          // string value
177 // EncodingClient is the encoding format requested by the client
178 #define AMEDIAMETRICS_PROP_ENCODINGCLIENT "encodingClient" // string
179 // PerformanceModeActual is the actual selected performance mode, could be "none', "lowLatency" or
180 // "powerSaving"
181 #define AMEDIAMETRICS_PROP_PERFORMANCEMODEACTUAL "performanceModeActual" // string
182 #define AMEDIAMETRICS_PROP_FRAMESTRANSFERRED "framesTransferred" // int64_t, transferred frames
183 // string value, "exclusive", "shared". the actual selected sharing mode by the server
184 #define AMEDIAMETRICS_PROP_SHARINGMODEACTUAL "sharingModeActual"
185 
186 // Timing values: millisecond values are suffixed with MS and the type is double
187 // nanosecond values are suffixed with NS and the type is int64.
188 
189 // Values are strings accepted for a given property.
190 
191 // An event is a general description, which often is a function name.
192 #define AMEDIAMETRICS_PROP_EVENT_VALUE_BEGINAUDIOINTERVALGROUP "beginAudioIntervalGroup"
193 #define AMEDIAMETRICS_PROP_EVENT_VALUE_CLOSE      "close"
194 #define AMEDIAMETRICS_PROP_EVENT_VALUE_CREATE     "create"
195 #define AMEDIAMETRICS_PROP_EVENT_VALUE_CREATEAUDIOPATCH "createAudioPatch"
196 #define AMEDIAMETRICS_PROP_EVENT_VALUE_CTOR       "ctor"
197 #define AMEDIAMETRICS_PROP_EVENT_VALUE_DISCONNECT "disconnect"
198 #define AMEDIAMETRICS_PROP_EVENT_VALUE_DTOR       "dtor"
199 #define AMEDIAMETRICS_PROP_EVENT_VALUE_ENDAAUDIOSTREAM "endAAudioStream" // AAudioStream
200 #define AMEDIAMETRICS_PROP_EVENT_VALUE_ENDAUDIOINTERVALGROUP "endAudioIntervalGroup"
201 #define AMEDIAMETRICS_PROP_EVENT_VALUE_FLUSH      "flush"  // AudioTrack
202 #define AMEDIAMETRICS_PROP_EVENT_VALUE_INVALIDATE "invalidate" // server track, record
203 #define AMEDIAMETRICS_PROP_EVENT_VALUE_OPEN       "open"
204 #define AMEDIAMETRICS_PROP_EVENT_VALUE_PAUSE      "pause"  // AudioTrack
205 #define AMEDIAMETRICS_PROP_EVENT_VALUE_READPARAMETERS "readParameters" // Thread
206 #define AMEDIAMETRICS_PROP_EVENT_VALUE_RELEASE    "release"
207 #define AMEDIAMETRICS_PROP_EVENT_VALUE_RESTORE    "restore"
208 #define AMEDIAMETRICS_PROP_EVENT_VALUE_SETMODE    "setMode" // AudioFlinger
209 #define AMEDIAMETRICS_PROP_EVENT_VALUE_SETBUFFERSIZE    "setBufferSize" // AudioTrack
210 #define AMEDIAMETRICS_PROP_EVENT_VALUE_SETLOGSESSIONID  "setLogSessionId" // AudioTrack, Record
211 #define AMEDIAMETRICS_PROP_EVENT_VALUE_SETPLAYBACKPARAM "setPlaybackParam" // AudioTrack
212 #define AMEDIAMETRICS_PROP_EVENT_VALUE_SETPLAYERIID "setPlayerIId" // AudioTrack
213 #define AMEDIAMETRICS_PROP_EVENT_VALUE_SETSTARTTHRESHOLD "setStartThreshold" // AudioTrack
214 #define AMEDIAMETRICS_PROP_EVENT_VALUE_SETVOICEVOLUME   "setVoiceVolume" // AudioFlinger
215 #define AMEDIAMETRICS_PROP_EVENT_VALUE_SETVOLUME  "setVolume"  // AudioTrack
216 #define AMEDIAMETRICS_PROP_EVENT_VALUE_START      "start"  // AudioTrack, AudioRecord
217 #define AMEDIAMETRICS_PROP_EVENT_VALUE_STOP       "stop"   // AudioTrack, AudioRecord
218 #define AMEDIAMETRICS_PROP_EVENT_VALUE_UNDERRUN   "underrun" // from Thread
219 
220 // Possible values for AMEDIAMETRICS_PROP_CALLERNAME
221 // Check within the framework for these strings as this header file may not be explicitly
222 // included to avoid unnecessary cross-project dependencies.
223 #define AMEDIAMETRICS_PROP_CALLERNAME_VALUE_AAUDIO        "aaudio"         // Native AAudio
224 #define AMEDIAMETRICS_PROP_CALLERNAME_VALUE_JAVA          "java"           // Java API layer
225 #define AMEDIAMETRICS_PROP_CALLERNAME_VALUE_MEDIA         "media"          // libmedia
226 #define AMEDIAMETRICS_PROP_CALLERNAME_VALUE_OPENSLES      "opensles"       // Open SLES
227 #define AMEDIAMETRICS_PROP_CALLERNAME_VALUE_RTP           "rtp"            // RTP communication
228 #define AMEDIAMETRICS_PROP_CALLERNAME_VALUE_SOUNDPOOL     "soundpool"      // SoundPool
229 #define AMEDIAMETRICS_PROP_CALLERNAME_VALUE_TONEGENERATOR "tonegenerator"  // dial tones
230 #define AMEDIAMETRICS_PROP_CALLERNAME_VALUE_UNKNOWN       "unknown"        // callerName not set
231 
232 // MediaMetrics errors are expected to cover the following sources:
233 // https://docs.oracle.com/javase/7/docs/api/java/lang/RuntimeException.html
234 // https://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html
235 // https://cs.android.com/android/platform/superproject/+/master:frameworks/native/libs/binder/include/binder/Status.h;drc=88e25c0861499ee3ab885814dddc097ab234cb7b;l=57
236 // https://cs.android.com/android/platform/superproject/+/master:frameworks/base/media/java/android/media/AudioSystem.java;drc=3ac246c43294d7f7012bdcb0ccb7bae1aa695bd4;l=785
237 // https://cs.android.com/android/platform/superproject/+/master:frameworks/av/media/libaaudio/include/aaudio/AAudio.h;drc=cfd3a6fa3aaaf712a890dc02452b38ef401083b8;l=120
238 // https://abseil.io/docs/cpp/guides/status-codes
239 
240 // Status errors:
241 // An empty status string or "ok" is interpreted as no error.
242 #define AMEDIAMETRICS_PROP_STATUS_VALUE_OK                "ok"
243 
244 // Error category: argument
245 //   IllegalArgumentException
246 //   NullPointerException
247 //   BAD_VALUE
248 //   absl::INVALID_ARGUMENT
249 //   absl::OUT_OF_RANGE
250 //   Out of range, out of bounds.
251 #define AMEDIAMETRICS_PROP_STATUS_VALUE_ARGUMENT          "argument"
252 
253 // Error category: io
254 //   IOException
255 //   android.os.DeadObjectException, android.os.RemoteException
256 //   DEAD_OBJECT
257 //   FAILED_TRANSACTION
258 //   IO_ERROR
259 //   file or ioctl failure
260 //   Service, rpc, binder, or socket failure.
261 //   Hardware or device failure.
262 #define AMEDIAMETRICS_PROP_STATUS_VALUE_IO                "io"
263 
264 // Error category: outOfMemory
265 //   OutOfMemoryException
266 //   NO_MEMORY
267 //   absl::RESOURCE_EXHAUSTED
268 #define AMEDIAMETRICS_PROP_STATUS_VALUE_MEMORY            "memory"
269 
270 // Error category: security
271 //   SecurityException
272 //   PERMISSION_DENIED
273 //   absl::PERMISSION_DENIED
274 //   absl::UNAUTHENTICATED
275 #define AMEDIAMETRICS_PROP_STATUS_VALUE_SECURITY          "security"
276 
277 // Error category: state
278 //   IllegalStateException
279 //   UnsupportedOperationException
280 //   INVALID_OPERATION
281 //   NO_INIT
282 //   absl::NOT_FOUND
283 //   absl::ALREADY_EXISTS
284 //   absl::FAILED_PRECONDITION
285 //   absl::UNAVAILABLE
286 //   absl::UNIMPLEMENTED
287 //   Functionality not implemented (argument may or may not be correct).
288 //   Call unexpected or out of order.
289 #define AMEDIAMETRICS_PROP_STATUS_VALUE_STATE             "state"
290 
291 // Error category: timeout
292 //   TimeoutException
293 //   WOULD_BLOCK
294 //   absl::DEADLINE_EXCEEDED
295 //   absl::ABORTED
296 #define AMEDIAMETRICS_PROP_STATUS_VALUE_TIMEOUT           "timeout"
297 
298 // Error category: unknown
299 //   Exception (Java specified not listed above, or custom app/service)
300 //   UNKNOWN_ERROR
301 //   absl::INTERNAL
302 //   absl::DATA_LOSS
303 //   Catch-all bucket for errors not listed above.
304 #define AMEDIAMETRICS_PROP_STATUS_VALUE_UNKNOWN           "unknown"
305 
306 #endif // ANDROID_MEDIA_MEDIAMETRICSCONSTANTS_H
307