# CmcdConfiguration # CmcdConfiguration Artifact: [androidx.media3:media3-exoplayer](https://developer.android.com/jetpack/androidx/releases/media3) [View Source](https://cs.android.com/search?q=file:androidx/media3/exoplayer/upstream/CmcdConfiguration.java+class:androidx.media3.exoplayer.upstream.CmcdConfiguration) *** ** * ** *** Kotlin \|[Java](https://developer.android.com/reference/androidx/media3/exoplayer/upstream/CmcdConfiguration "View this page in Java") ``` @UnstableApi class CmcdConfiguration ```
*** ** * ** *** Represents a configuration for the Common Media Client Data (CMCD) logging. ## Summary | ### Nested types | |----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `@`[Retention](https://developer.android.com/reference/java/lang/annotation/Retention.html)`(value = `[RetentionPolicy.SOURCE](https://developer.android.com/reference/java/lang/annotation/RetentionPolicy.html#SOURCE)`)` `@`[StringDef](https://developer.android.com/reference/kotlin/androidx/annotation/StringDef)`(value = )` `@`[Documented](https://developer.android.com/reference/java/lang/annotation/Documented.html) `@`[Target](https://developer.android.com/reference/java/lang/annotation/Target.html)`(value = `[ElementType.TYPE_USE](https://developer.android.com/reference/java/lang/annotation/ElementType.html#TYPE_USE)`)` `annotation `[CmcdConfiguration.CmcdKey](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.CmcdKey) Indicates that the annotated element represents a CMCD key. | | `@`[Retention](https://developer.android.com/reference/java/lang/annotation/Retention.html)`(value = `[RetentionPolicy.SOURCE](https://developer.android.com/reference/java/lang/annotation/RetentionPolicy.html#SOURCE)`)` `@`[IntDef](https://developer.android.com/reference/kotlin/androidx/annotation/IntDef)`(value = )` `@`[Documented](https://developer.android.com/reference/java/lang/annotation/Documented.html) `@`[Target](https://developer.android.com/reference/java/lang/annotation/Target.html)`(value = `[ElementType.TYPE_USE](https://developer.android.com/reference/java/lang/annotation/ElementType.html#TYPE_USE)`)` `annotation `[CmcdConfiguration.DataTransmissionMode](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.DataTransmissionMode) Indicates the mode used for data transmission. | | `interface `[CmcdConfiguration.Factory](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.Factory) Factory for [CmcdConfiguration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration) instances. | | `@`[Retention](https://developer.android.com/reference/java/lang/annotation/Retention.html)`(value = `[RetentionPolicy.SOURCE](https://developer.android.com/reference/java/lang/annotation/RetentionPolicy.html#SOURCE)`)` `@`[StringDef](https://developer.android.com/reference/kotlin/androidx/annotation/StringDef)`(value = )` `@`[Documented](https://developer.android.com/reference/java/lang/annotation/Documented.html) `@`[Target](https://developer.android.com/reference/java/lang/annotation/Target.html)`(value = `[ElementType.TYPE_USE](https://developer.android.com/reference/java/lang/annotation/ElementType.html#TYPE_USE)`)` `annotation `[CmcdConfiguration.HeaderKey](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.HeaderKey) Header keys SHOULD be allocated to one of the four defined header names based upon their expected level of variability: | | `interface `[CmcdConfiguration.RequestConfig](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig) Represents configuration which can vary on each request. | | ### Constants | |----------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [CMCD_QUERY_PARAMETER_KEY](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#CMCD_QUERY_PARAMETER_KEY())` = "CMCD"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_BITRATE](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_BITRATE())` = "br"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_BUFFER_LENGTH](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_BUFFER_LENGTH())` = "bl"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_BUFFER_STARVATION](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_BUFFER_STARVATION())` = "bs"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_CMCD_OBJECT](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_CMCD_OBJECT())` = "CMCD-Object"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_CMCD_REQUEST](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_CMCD_REQUEST())` = "CMCD-Request"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_CMCD_SESSION](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_CMCD_SESSION())` = "CMCD-Session"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_CMCD_STATUS](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_CMCD_STATUS())` = "CMCD-Status"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_CONTENT_ID](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_CONTENT_ID())` = "cid"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_DEADLINE](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_DEADLINE())` = "dl"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_MAXIMUM_REQUESTED_BITRATE](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_MAXIMUM_REQUESTED_BITRATE())` = "rtp"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_MEASURED_THROUGHPUT](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_MEASURED_THROUGHPUT())` = "mtp"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_NEXT_OBJECT_REQUEST](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_NEXT_OBJECT_REQUEST())` = "nor"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_NEXT_RANGE_REQUEST](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_NEXT_RANGE_REQUEST())` = "nrr"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_OBJECT_DURATION](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_OBJECT_DURATION())` = "d"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_OBJECT_TYPE](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_OBJECT_TYPE())` = "ot"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_PLAYBACK_RATE](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_PLAYBACK_RATE())` = "pr"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_SESSION_ID](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_SESSION_ID())` = "sid"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_STARTUP](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_STARTUP())` = "su"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_STREAMING_FORMAT](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_STREAMING_FORMAT())` = "sf"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_STREAM_TYPE](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_STREAM_TYPE())` = "st"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_TOP_BITRATE](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_TOP_BITRATE())` = "tb"` | | `const `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`!` | [KEY_VERSION](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#KEY_VERSION())` = "v"` | | `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [MAX_ID_LENGTH](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#MAX_ID_LENGTH())` = 64` Maximum length for ID fields. | | `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [MODE_QUERY_PARAMETER](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#MODE_QUERY_PARAMETER())` = 1` | | `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [MODE_REQUEST_HEADER](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#MODE_REQUEST_HEADER())` = 0` | | ### Public constructors | |--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [CmcdConfiguration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#CmcdConfiguration(java.lang.String,java.lang.String,androidx.media3.exoplayer.upstream.CmcdConfiguration.RequestConfig))`(` ` sessionId: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`?,` ` contentId: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`?,` ` requestConfig: `[CmcdConfiguration.RequestConfig](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig)`!` `)` Creates an instance with [dataTransmissionMode](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#dataTransmissionMode()) set to [MODE_REQUEST_HEADER](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#MODE_REQUEST_HEADER()). | | [CmcdConfiguration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#CmcdConfiguration(java.lang.String,java.lang.String,androidx.media3.exoplayer.upstream.CmcdConfiguration.RequestConfig,int))`(` ` sessionId: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`?,` ` contentId: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`?,` ` requestConfig: `[CmcdConfiguration.RequestConfig](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig)`!,` ` @`[CmcdConfiguration.DataTransmissionMode](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.DataTransmissionMode)` dataTransmissionMode: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) `)` Creates an instance. | | ### Public functions | |-------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isBitrateLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isBitrateLoggingAllowed())`()` Returns whether logging bitrate is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isBufferLengthLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isBufferLengthLoggingAllowed())`()` Returns whether logging buffer length is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isBufferStarvationLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isBufferStarvationLoggingAllowed())`()` Returns whether logging buffer starvation is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isContentIdLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isContentIdLoggingAllowed())`()` Returns whether logging content ID is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isDeadlineLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isDeadlineLoggingAllowed())`()` Returns whether logging deadline is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isMaximumRequestThroughputLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isMaximumRequestThroughputLoggingAllowed())`()` Returns whether logging maximum requested throughput is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isMeasuredThroughputLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isMeasuredThroughputLoggingAllowed())`()` Returns whether logging measured throughput is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isNextObjectRequestLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isNextObjectRequestLoggingAllowed())`()` Returns whether logging next object request is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isNextRangeRequestLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isNextRangeRequestLoggingAllowed())`()` Returns whether logging next range request is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isObjectDurationLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isObjectDurationLoggingAllowed())`()` Returns whether logging object duration is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isObjectTypeLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isObjectTypeLoggingAllowed())`()` Returns whether logging object type is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isPlaybackRateLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isPlaybackRateLoggingAllowed())`()` Returns whether logging playback rate is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isSessionIdLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isSessionIdLoggingAllowed())`()` Returns whether logging session ID is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isStartupLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isStartupLoggingAllowed())`()` Returns whether logging startup is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isStreamTypeLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isStreamTypeLoggingAllowed())`()` Returns whether logging stream type is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isStreamingFormatLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isStreamingFormatLoggingAllowed())`()` Returns whether logging streaming format is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isTopBitrateLoggingAllowed](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#isTopBitrateLoggingAllowed())`()` Returns whether logging top bitrate is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). | | ### Public properties | |---------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`?` | [contentId](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#contentId()) A GUID identifying the current content, or `null` if unset. | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | `@`[CmcdConfiguration.DataTransmissionMode](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.DataTransmissionMode) [dataTransmissionMode](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#dataTransmissionMode()) Mode used for data transmission. | | [CmcdConfiguration.RequestConfig](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig)`!` | [requestConfig](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#requestConfig()) Dynamic request specific configuration. | | [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`?` | [sessionId](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#sessionId()) A GUID identifying the current playback session, or `null` if unset. | ## Constants ### CMCD_QUERY_PARAMETER_KEY ``` const val CMCD_QUERY_PARAMETER_KEY = "CMCD": String! ``` ### KEY_BITRATE ``` const val KEY_BITRATE = "br": String! ``` ### KEY_BUFFER_LENGTH ``` const val KEY_BUFFER_LENGTH = "bl": String! ``` ### KEY_BUFFER_STARVATION ``` const val KEY_BUFFER_STARVATION = "bs": String! ``` ### KEY_CMCD_OBJECT ``` const val KEY_CMCD_OBJECT = "CMCD-Object": String! ``` ### KEY_CMCD_REQUEST ``` const val KEY_CMCD_REQUEST = "CMCD-Request": String! ``` ### KEY_CMCD_SESSION ``` const val KEY_CMCD_SESSION = "CMCD-Session": String! ``` ### KEY_CMCD_STATUS ``` const val KEY_CMCD_STATUS = "CMCD-Status": String! ``` ### KEY_CONTENT_ID ``` const val KEY_CONTENT_ID = "cid": String! ``` ### KEY_DEADLINE ``` const val KEY_DEADLINE = "dl": String! ``` ### KEY_MAXIMUM_REQUESTED_BITRATE ``` const val KEY_MAXIMUM_REQUESTED_BITRATE = "rtp": String! ``` ### KEY_MEASURED_THROUGHPUT ``` const val KEY_MEASURED_THROUGHPUT = "mtp": String! ``` ### KEY_NEXT_OBJECT_REQUEST ``` const val KEY_NEXT_OBJECT_REQUEST = "nor": String! ``` ### KEY_NEXT_RANGE_REQUEST ``` const val KEY_NEXT_RANGE_REQUEST = "nrr": String! ``` ### KEY_OBJECT_DURATION ``` const val KEY_OBJECT_DURATION = "d": String! ``` ### KEY_OBJECT_TYPE ``` const val KEY_OBJECT_TYPE = "ot": String! ``` ### KEY_PLAYBACK_RATE ``` const val KEY_PLAYBACK_RATE = "pr": String! ``` ### KEY_SESSION_ID ``` const val KEY_SESSION_ID = "sid": String! ``` ### KEY_STARTUP ``` const val KEY_STARTUP = "su": String! ``` ### KEY_STREAMING_FORMAT ``` const val KEY_STREAMING_FORMAT = "sf": String! ``` ### KEY_STREAM_TYPE ``` const val KEY_STREAM_TYPE = "st": String! ``` ### KEY_TOP_BITRATE ``` const val KEY_TOP_BITRATE = "tb": String! ``` ### KEY_VERSION ``` const val KEY_VERSION = "v": String! ``` ### MAX_ID_LENGTH ``` const val MAX_ID_LENGTH = 64: Int ``` Maximum length for ID fields. ### MODE_QUERY_PARAMETER ``` const val MODE_QUERY_PARAMETER = 1: Int ``` ### MODE_REQUEST_HEADER ``` const val MODE_REQUEST_HEADER = 0: Int ``` ## Public constructors ### CmcdConfiguration ``` CmcdConfiguration(     sessionId: String?,     contentId: String?,     requestConfig: CmcdConfiguration.RequestConfig! ) ``` Creates an instance with [dataTransmissionMode](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#dataTransmissionMode()) set to [MODE_REQUEST_HEADER](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration#MODE_REQUEST_HEADER()). ### CmcdConfiguration ``` CmcdConfiguration(     sessionId: String?,     contentId: String?,     requestConfig: CmcdConfiguration.RequestConfig!,     @CmcdConfiguration.DataTransmissionMode dataTransmissionMode: Int ) ``` Creates an instance. ## Public functions ### isBitrateLoggingAllowed ``` fun isBitrateLoggingAllowed(): Boolean ``` Returns whether logging bitrate is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isBufferLengthLoggingAllowed ``` fun isBufferLengthLoggingAllowed(): Boolean ``` Returns whether logging buffer length is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isBufferStarvationLoggingAllowed ``` fun isBufferStarvationLoggingAllowed(): Boolean ``` Returns whether logging buffer starvation is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isContentIdLoggingAllowed ``` fun isContentIdLoggingAllowed(): Boolean ``` Returns whether logging content ID is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isDeadlineLoggingAllowed ``` fun isDeadlineLoggingAllowed(): Boolean ``` Returns whether logging deadline is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isMaximumRequestThroughputLoggingAllowed ``` fun isMaximumRequestThroughputLoggingAllowed(): Boolean ``` Returns whether logging maximum requested throughput is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isMeasuredThroughputLoggingAllowed ``` fun isMeasuredThroughputLoggingAllowed(): Boolean ``` Returns whether logging measured throughput is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isNextObjectRequestLoggingAllowed ``` fun isNextObjectRequestLoggingAllowed(): Boolean ``` Returns whether logging next object request is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isNextRangeRequestLoggingAllowed ``` fun isNextRangeRequestLoggingAllowed(): Boolean ``` Returns whether logging next range request is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isObjectDurationLoggingAllowed ``` fun isObjectDurationLoggingAllowed(): Boolean ``` Returns whether logging object duration is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isObjectTypeLoggingAllowed ``` fun isObjectTypeLoggingAllowed(): Boolean ``` Returns whether logging object type is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isPlaybackRateLoggingAllowed ``` fun isPlaybackRateLoggingAllowed(): Boolean ``` Returns whether logging playback rate is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isSessionIdLoggingAllowed ``` fun isSessionIdLoggingAllowed(): Boolean ``` Returns whether logging session ID is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isStartupLoggingAllowed ``` fun isStartupLoggingAllowed(): Boolean ``` Returns whether logging startup is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isStreamTypeLoggingAllowed ``` fun isStreamTypeLoggingAllowed(): Boolean ``` Returns whether logging stream type is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isStreamingFormatLoggingAllowed ``` fun isStreamingFormatLoggingAllowed(): Boolean ``` Returns whether logging streaming format is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ### isTopBitrateLoggingAllowed ``` fun isTopBitrateLoggingAllowed(): Boolean ``` Returns whether logging top bitrate is allowed based on the [request configuration](https://developer.android.com/reference/kotlin/androidx/media3/exoplayer/upstream/CmcdConfiguration.RequestConfig). ## Public properties ### contentId ``` val contentId: String? ``` A GUID identifying the current content, or `null` if unset. This value is consistent across multiple different sessions and devices and is defined and updated at the discretion of the service provider. Maximum length is 64 characters. ### dataTransmissionMode ``` @CmcdConfiguration.DataTransmissionMode val dataTransmissionMode: Int ``` Mode used for data transmission. ### requestConfig ``` val requestConfig: CmcdConfiguration.RequestConfig! ``` Dynamic request specific configuration. ### sessionId ``` val sessionId: String? ``` A GUID identifying the current playback session, or `null` if unset. A playback session typically ties together segments belonging to a single media asset. Maximum length is 64 characters.