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Update QoS models
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MGaetan89 committed Jul 25, 2024
1 parent eb49c4f commit d3e6575
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Showing 14 changed files with 357 additions and 174 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,11 @@ import ch.srgssr.pillarbox.player.analytics.metrics.MetricsCollector
import ch.srgssr.pillarbox.player.analytics.metrics.PlaybackMetrics
import ch.srgssr.pillarbox.player.qos.models.QoSError
import ch.srgssr.pillarbox.player.qos.models.QoSEvent
import ch.srgssr.pillarbox.player.qos.models.QoSMedia
import ch.srgssr.pillarbox.player.qos.models.QoSMessage
import ch.srgssr.pillarbox.player.qos.models.QoSSession
import ch.srgssr.pillarbox.player.qos.models.QoSSessionTimings
import ch.srgssr.pillarbox.player.qos.models.QoSStall
import ch.srgssr.pillarbox.player.utils.DebugLogger
import ch.srgssr.pillarbox.player.utils.Heartbeat
import kotlin.coroutines.CoroutineContext
Expand Down Expand Up @@ -65,11 +67,11 @@ internal class QoSCoordinator(
sessionManager.getSessionById(metrics.sessionId)?.let {
sendStartEvent(
session = it,
timings = QoSSessionTimings(
asset = metrics.loadDuration.asset,
mediaSource = metrics.loadDuration.source,
currentToStart = metrics.loadDuration.timeToReady,
drm = metrics.loadDuration.drm
timeMetrics = QoSSessionTimings(
asset = metrics.loadDuration.source,
drm = metrics.loadDuration.drm,
metadata = metrics.loadDuration.asset,
total = metrics.loadDuration.timeToReady,
)
)
}
Expand Down Expand Up @@ -128,8 +130,10 @@ internal class QoSCoordinator(
bufferDuration = player.totalBufferedDuration,
playbackDuration = playbackDuration.inWholeMilliseconds,
playerPosition = player.currentPosition,
stallCount = stallCount,
stallDuration = stallDuration.inWholeSeconds,
stall = QoSStall(
count = stallCount,
duration = stallDuration.inWholeMilliseconds,
),
url = url.toString(),
)
}
Expand Down Expand Up @@ -179,6 +183,7 @@ internal class QoSCoordinator(
throwable = it,
playerPosition = player.currentPosition,
severity = QoSError.Severity.FATAL,
url = url,
),
)
}
Expand All @@ -193,16 +198,20 @@ internal class QoSCoordinator(

private fun sendStartEvent(
session: PlaybackSessionManager.Session,
timings: QoSSessionTimings,
timeMetrics: QoSSessionTimings,
) {
sendEvent(
eventName = "START",
session = session,
data = QoSSession(
context = context,
mediaId = session.mediaItem.mediaId,
mediaSource = session.mediaItem.localConfiguration?.uri.toString(),
timings = timings,
media = QoSMedia(
assetUrl = url,
id = session.mediaItem.mediaId,
metadataUrl = session.mediaItem.localConfiguration?.uri.toString(),
origin = context.packageName,
),
timeMetrics = timeMetrics,
),
)
}
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Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
/*
* Copyright (c) SRG SSR. All rights reserved.
* License information is available from the LICENSE file.
*/
package ch.srgssr.pillarbox.player.qos.models

/**
* Information about the device.
*
* @property id The unique identifier of the device.
* @property model The model of the device.
* @property type The type of device.
*/
data class QoSDevice(
val id: String,
val model: String,
val type: DeviceType,
) {
/**
* The type of device.
*/
enum class DeviceType {
CAR,
DESKTOP,
PHONE,
TABLET,
TV,
UNKNOWN,
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -12,13 +12,15 @@ package ch.srgssr.pillarbox.player.qos.models
* @property name The name of the error.
* @property playerPosition The position of the player when the error occurred, in milliseconds, or `null` if not available.
* @property severity The severity of the error, either [FATAL][Severity.FATAL] or [WARNING][Severity.WARNING].
* @property url The last loaded url.
*/
data class QoSError(
val log: String,
val message: String,
val name: String,
val playerPosition: Long?,
val severity: Severity,
val url: String,
) {
/**
* Represents a [Player][androidx.media3.common.Player] error severity.
Expand All @@ -32,11 +34,13 @@ data class QoSError(
throwable: Throwable,
playerPosition: Long?,
severity: Severity,
url: String,
) : this(
log = throwable.stackTraceToString(),
message = throwable.message.orEmpty(),
name = throwable::class.simpleName.orEmpty(),
playerPosition = playerPosition,
severity = severity,
url = url,
)
}
Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,7 @@ package ch.srgssr.pillarbox.player.qos.models
* @property bufferDuration The forward duration of the buffer, in milliseconds.
* @property playbackDuration The duration of the playback, in milliseconds.
* @property playerPosition The position of the player, in milliseconds.
* @property stallCount The number of stalls that have occurred, not as a result of a seek.
* @property stallDuration The total duration of the stalls, in milliseconds.
* @property stall The information about stalls.
* @property url The URL of the stream.
*/
data class QoSEvent(
Expand All @@ -22,7 +21,6 @@ data class QoSEvent(
val bufferDuration: Long,
val playbackDuration: Long,
val playerPosition: Long,
val stallCount: Int,
val stallDuration: Long,
val stall: QoSStall,
val url: String,
)
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
/*
* Copyright (c) SRG SSR. All rights reserved.
* License information is available from the LICENSE file.
*/
package ch.srgssr.pillarbox.player.qos.models

/**
* Information about the media being played.
*
* @property assetUrl The URL of the asset.
* @property id The id of the media.
* @property metadataUrl The URL of the metadata.
* @property origin The origin of the media.
*/
data class QoSMedia(
val assetUrl: String,
val id: String,
val metadataUrl: String,
val origin: String,
)
Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
/*
* Copyright (c) SRG SSR. All rights reserved.
* License information is available from the LICENSE file.
*/
package ch.srgssr.pillarbox.player.qos.models

/**
* Information about the operating system.
*
* @property name The name of the operating system.
* @property version The version of the operating system.
*/
data class QoSOS(
val name: String,
val version: String,
)
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
/*
* Copyright (c) SRG SSR. All rights reserved.
* License information is available from the LICENSE file.
*/
package ch.srgssr.pillarbox.player.qos.models

/**
* Information about the player.
*
* @property name The name of the player.
* @property platform The platform of the player.
* @property version The version of the player.
*/
data class QoSPlayer(
val name: String,
val platform: String,
val version: String,
)
Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
/*
* Copyright (c) SRG SSR. All rights reserved.
* License information is available from the LICENSE file.
*/
package ch.srgssr.pillarbox.player.qos.models

/**
* Information about the device screen.
*
* @property height The height of the screen, in pixels.
* @property width The width of the screen, in pixels.
*/
data class QoSScreen(
val height: Int,
val width: Int,
)
Original file line number Diff line number Diff line change
Expand Up @@ -10,65 +10,51 @@ import android.graphics.Rect
import android.os.Build
import android.view.WindowManager
import ch.srgssr.pillarbox.player.BuildConfig
import ch.srgssr.pillarbox.player.qos.models.QoSDevice.DeviceType

/**
* Represents a QoS session, which contains information about the device, current media, and player.
*
* @property deviceId The unique identifier of the device.
* @property deviceModel The model of the device.
* @property deviceType The type of device.
* @property mediaId The identifier of the media being played.
* @property mediaSource The source URL of the media being played.
* @property operatingSystemName The name of the operating system.
* @property operatingSystemVersion The version of the operating system.
* @property origin The origin of the player.
* @property playerName The name of the player.
* @property playerPlatform The platform of the player.
* @property playerVersion The version of the player.
* @property screenHeight The height of the screen in pixels.
* @property screenWidth The width of the screen in pixels.
* @property timings The timing until the current media started to play.
* @property device The information about the device.
* @property media The information about the media being played.
* @property operatingSystem The information about the operating system.
* @property player The information about the player.
* @property screen The information about the device screen.
* @property timeMetrics The metrics about the time needed to load the various media components.
*/
data class QoSSession(
val deviceId: String,
val deviceModel: String = getDeviceModel(),
val deviceType: DeviceType,
val mediaId: String,
val mediaSource: String,
val operatingSystemName: String = PLATFORM_NAME,
val operatingSystemVersion: String = OPERATING_SYSTEM_VERSION,
val origin: String,
val playerName: String = PLAYER_NAME,
val playerPlatform: String = PLATFORM_NAME,
val playerVersion: String = PLAYER_VERSION,
val screenHeight: Int,
val screenWidth: Int,
val timings: QoSSessionTimings = QoSSessionTimings.Empty,
val device: QoSDevice,
val media: QoSMedia,
val operatingSystem: QoSOS = QoSOS(
name = PLATFORM_NAME,
version = OPERATING_SYSTEM_VERSION,
),
val player: QoSPlayer = QoSPlayer(
name = PLAYER_NAME,
platform = PLATFORM_NAME,
version = PLAYER_VERSION,
),
val screen: QoSScreen,
val timeMetrics: QoSSessionTimings = QoSSessionTimings.Empty,
) {
/**
* The type of device.
*/
enum class DeviceType {
CAR,
PHONE,
TABLET,
TV,
}

constructor(
context: Context,
mediaId: String,
mediaSource: String,
timings: QoSSessionTimings
media: QoSMedia,
timeMetrics: QoSSessionTimings,
) : this(
deviceId = getDeviceId(),
deviceType = context.getDeviceType(),
mediaId = mediaId,
mediaSource = mediaSource,
origin = context.packageName,
screenHeight = context.getWindowBounds().height(),
screenWidth = context.getWindowBounds().width(),
timings = timings
device = QoSDevice(
id = getDeviceId(),
model = getDeviceModel(),
type = context.getDeviceType(),
),
media = media,
screen = context.getWindowBounds().let { windowBounds ->
QoSScreen(
height = windowBounds.height(),
width = windowBounds.width(),
)
},
timeMetrics = timeMetrics,
)

private companion object {
Expand All @@ -92,6 +78,7 @@ data class QoSSession(
val configuration = resources.configuration
return when (configuration.uiMode and Configuration.UI_MODE_TYPE_MASK) {
Configuration.UI_MODE_TYPE_CAR -> DeviceType.CAR
Configuration.UI_MODE_TYPE_DESK -> DeviceType.DESKTOP
Configuration.UI_MODE_TYPE_NORMAL -> {
val smallestWidthDp = configuration.smallestScreenWidthDp

Expand All @@ -103,7 +90,7 @@ data class QoSSession(
}

Configuration.UI_MODE_TYPE_TELEVISION -> DeviceType.TV
else -> DeviceType.PHONE // TODO Do we assume PHONE by default? Or do we throw an exception?
else -> DeviceType.UNKNOWN
}
}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -10,26 +10,29 @@ import kotlin.time.Duration
* Represents the timings until the current media started to play.
*
* @property asset The time spent to load the asset.
* @property currentToStart The time spent to load from the moment the [MediaItem][androidx.media3.common.MediaItem] became the current item until it
* started to play.
* @property drm The time spent to load the DRM.
* @property mediaSource The time spent to load the media source.
* @property metadata The time spent to load the media source.
* @property token The time spent to load the token.
* @property total The time spent to load from the moment the [MediaItem][androidx.media3.common.MediaItem] became the current item until it
* started to play.
*/
data class QoSSessionTimings(
val asset: Duration? = null,
val currentToStart: Duration? = null,
val drm: Duration? = null,
val mediaSource: Duration? = null,
val metadata: Duration? = null,
val token: Duration? = null,
val total: Duration? = null,
) {
companion object {
/**
* Default [QoSSessionTimings] where all fields are set to `null`.
*/
val Empty = QoSSessionTimings(
asset = null,
currentToStart = null,
drm = null,
mediaSource = null,
metadata = null,
token = null,
total = null,
)
}
}
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