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6.0 Changelog: Twilio Video Android

The Twilio Programmable Video SDKs use Semantic Versioning. Twilio supports version N-1 for 12 months after the first GA release of version N. We recommend you upgrade to the latest version as soon as possible to avoid any breaking changes.

Support for 5.x will cease on December 4th, 2021. This branch will only receive fixes for critical issues until that date. Check this guide when planning your migration to 6.x.

Support for Android SDK 4.x ended on October 23nd, 2020.

Support for Android SDK 3.x ended on February 22nd, 2020.

The Twilio Programmable Video SDKs use Semantic Versioning.

6.2.1 (January 25th, 2021)

バグ修正

  • Fixed a crash that occurred while using either the CameraCapturer or Camera2Capturer, switching from the front camera to the back camera, and toggling the camera flash.

既知の問題

  • Publishing multiple tracks with the same name results in a crash if network quality is enabled. To avoid this, use unique names for each track in the Room.

Size Report

ABI APK Size Impact
x86 5.5MB
x86_64 5.5MB
armeabi-v7a 4.1MB
arm64-v8a 5.2MB
universal 19.6MB

6.2.0 (January 13th, 2021)

改善点

  • Updated the SDK to Android Gradle Plugin 4.1.1

Maintenance

  • Removed tvi.webrtc.NetworkMonitor and tvi.webrtc.NetworkMonitorAutoDetect from the libwebrtc.jar since they are unused by the SDK.

Size Report

ABI APK Size Impact
x86 5.5MB
x86_64 5.5MB
armeabi-v7a 4.1MB
arm64-v8a 5.2MB
universal 19.6MB

6.1.0 (December 17th, 2020)

New Kotlin Extensions Library

As part of this release, we have created a new Kotlin Extensions Library! This library provides a set of convenience functions and extensions that provide Kotlin developers with a more idiomatic programming experience.

Extension APIs

Below is a list of all of the extension APIs that are now available:

  • AudioOptions.kt
  • BandwidthProfileOptions.kt
  • ConnectOptions.kt
  • DataTrackOptions.kt
  • IceOptions.kt
  • LocalAudioTrack.kt
  • LocalDataTrack.kt
  • LocalVideoTrack.kt
  • Video.kt
  • VideoBandwidthProfileOptions.kt

はじめましょう

To get started using the extensions, replace implementation com.twilio:video-android:6.1.0 with implementation com.twilio:video-android-ktx:6.1.0 in your application's build.gradle file. The extensions and functions are available under the com.twilio.video.ktx package. The extensions library also includes the SDK, so developers do not need to include the SDK and extensions library.

implementation 'com.twilio:video-android-ktx:6.1.0'
Versioning and Support

The Video Android Kotlin extensions will follow the same semantic versioning policy of the Video Android SDK itself. Each Video Android release will now consist of the Java SDK and the Kotlin extensions library with the same version. Using the Kotlin extensions library is completely optional and developers can continue to use the Java based Video Android SDK as before.

All of the options extensions follow a similar pattern. For example, here's how to connect to a room with connect options using Java:

ConnectOptions connectOptions = new ConnectOptions.Builder(accessToken)
    .roomName("my-room")
    .enableAutomaticSubscription(false)
    .build();
room = Video.connect(context, connectOptions, roomListener);

The following Kotlin snippet shows how you can call connect with connect options all in one statement using the Video.kt connect extension function:

val room = Video.connect(context, token, roomListener) {
    roomName("my-room")
    enableAutomaticSubscription(false)
}

The library also introduces extension properties that make it easier to get and set specific Java fields. For example, here's how to check if a LocalVideoTrack track is enabled and how to disable it in Java:

LocalVideoTrack localVideoTrack = LocalVideoTrack.create(context, enable, cameraCapturer);

// Check if the track is enabled
localVideoTrack.isEnabled();

// Disable the track
localVideoTrack.enabled(false);

The following Kotlin snippet show how to do the same with the enabled extension property that is part of LocalVideoTrack.kt:

val localVideoTrack = LocalVideoTrack.create(context, enable, cameraCapturer)

// Check if the track is enabled
localVideoTrack.enabled

// Disable the track
localVideoTrack.enabled = false

改善点

  • The following classes now override the equals and hashCode Object methods
    • ConnectOptions.java
    • IceOptions.java
    • BandwidthProfileOptions.java
    • VideoBandwidthProfileOptions.java
    • AudioOptions.java
    • DataTrackOptions.java
  • Added a new Video.java static method named getModuleLogLevel(LogModule module) that retrieves the log level for the specified LogModule.

バグ修正

  • Fixed a bug where publishing multiple tracks with the same name may result in a crash if network quality is enabled.

6.0.0 (December 4th, 2020)

6.0 is now generally available. 6.0 provides the following new features:

  • The SDK has been upgraded to use Chromium WebRTC 83
  • The SDK now enables Discontinuous Transmission (DTX) by default when using the Opus codec. Enabling DTX results in a lower bitrate when silent audio is detected.
  • The capturing and rendering facilities have been updated to allow developers more control, flexibility, and capabilities. This update includes the adoption of WebRTC classes.
  • The SDK includes new callbacks onParticipantReconnecting and onParticipantReconnected to Room.Listener. These callbacks will be raised when a RemoteParticipant is attempting to reconnect to a room due to a signaling network interruption.

Please visit our migration guide for more details on how to update your application to 6.0!

改善点
  • Added API documentation to Rgba8888Buffer.
既知の問題
  • Publishing multiple tracks with the same name results in a crash if network quality is enabled. To avoid this, use unique names for each track in the Room.

6.0.0-beta2 (December 2nd, 2020)

改善点
  • The SDK API docs now include documentation for classes defined in tvi.webrtc. For example, the VideoCapturer API docs will now provide a link to the base interface tvi.webrtc.VideoCapturer.
  • isRecording() API now accurately reflects the current recording state of the Room. In the previous versions of the SDK, isRecording() could return false positives. The onRecordingStarted(...) and onRecordingStopped(...) callbacks will now be invoked when recording for at least a single track in the Room has started and stopped respectively.

Size Report

ABI APK Size Impact
x86 5.5MB
x86_64 5.5MB
armeabi-v7a 4.1MB
arm64-v8a 5.2MB
universal 19.6MB

6.0.0-beta1 (November 23rd, 2020)

改善点
  • Added the ParticipantState enumeration.
  • Added the getState() method to Participant.
  • Added new callbacks onParticipantReconnecting and onParticipantReconnected to Room.Listener. These callbacks will be raised when a RemoteParticipant is attempting to reconnect to a room due to a signaling network interruption. NOTE: It can take up to 15 seconds for our signaling backend to detect that a RemoteParticipant's connection has been disrupted due to a network degradation or handoff.
API Updates
  • Removed the RemoteParticipant.isConnected() method in favor of Participant.getState().

Size Report

ABI APK Size Impact
x86 5.5MB
x86_64 5.5MB
armeabi-v7a 4.1MB
arm64-v8a 5.2MB
universal 19.6MB

6.0.0-preview3 (November 17th, 2020)

改善点
  • Added useDtx parameter for constraining bitrate while using Opus codec. useDtx is enabled by default. Disabling useDtx will result in higher bitrate for silent audio while using Opus codec.
API Updates
  • OpusCodec class has a new constructor that takes useDtx as an input OpusCodec(boolean useDtx). Use this to explicitly enable or disable DTX.
  • Removed IceOptions.abortOnIceServersTimeout and IceOptions.iceServersTimeout.
  • Removed CameraCapturer.CameraSource. CameraCapturer instances are now created using a camera ID as a String. You can use tvi.webrtc.Camera1Enumerator#getDeviceNames() to query the list of supported camera IDs.
  • Updated CameraCapturer#switchCamera() signature to require a camera ID. Users now must specify which camera ID to switch to. This behavior is similar to the Camera2Capturer switch camera behavior.

    The snippet below demonstrates the updated use of CameraCapturer.

    ```kotlin // Determine the front and back camera val camera1Enumerator = Camera1Enumerator() val frontCameraId = camera1Enumerator.deviceNames.find { camera1Enumerator.isFrontFacing(it) } val backCameraId = camera1Enumerator.deviceNames.find { camera1Enumerator.isBackFacing(it) }

    // Create the instance val cameraCapturer = CameraCapturer(context, frontCameraId)

    // Switch camera Ids cameraCapturer.switchCamera(backCameraId) ```

  • Camera2Capturer.Listener implementations are now optional when creating a Camera2Capturer

6.0.0-preview2 (November 9th, 2020)

AudioDevice API

Use the AudioDevice API to create innovative and advanced in-app audio capabilities. For example, enable pre-recorded messages to be played in-room, or, apply noise reduction algorithms before playing out the received audio.

An AudioDevice is a logical device that is used to capture and render (play out) audio. The captured audio is sent to the remote party, and the received audio is rendered locally. The current DefaultAudioDevice uses the mic for capturing and the local speaker/earpiece/headset for rendering. The AudioDevice API allows for the creation of custom audio capturers and renderers.

See this example and API docs to learn more about custom audio devices.

改善点

  • Introduced the Video.audioDevice class member. You can now set your own AudioDevice before connecting to a Room.
  • Added DefaultAudioDevice to render and capture audio. By default, the Video SDK uses DefaultAudioDevice to capture and render audio.
  • Added the ability to provide custom audio capturing and rendering via the AudioDevice interface. AudioFormat describes the audio that is being captured and rendered.

6.0.0-preview1 (October 27th, 2020)

  • The Video Android SDK uses Chromium WebRTC 83.
  • The Video Android SDK is built with NDK r20b.

Adopting WebRTC Classes

The update to video capturing and rendering includes an adoption of WebRTC classes defined in libwebrtc.jar included with the Video Android SDK. In previous major releases, the SDK would define public APIs with classes defined exclusively in the com.twilio.video package. The SDK will now include public APIs with classes defined in libwebrtc.jar.

Any public APIs that reference a WebRTC class are only compatible with the libwebrtc.jar provided from the Video Android SDK. The classes provided in this artifact are defined under the tvi.webrtc package to ensure side-by-side compatibility with other WebRTC based libraries.

Adopting WebRTC classses in public APIs provides developers already familiar with WebRTC more flexibility when capturing media and rendering media.

Video Capturing Update

This release includes an overhaul to the video capturer facilities. LocalVideoTracks are now created with implementations of tvi.webrtc.VideoCapturer and VideoFormats. VideoCapturer remains a part of the SDK as an extension of tvi.webrtc.VideoCapturer, but VideoConstraints have been completely removed in favor of VideoFormats.

What's New!
  • Leverage capturers provided by libwebrtc.jar
  • Implement custom capturers that capture to textures
  • Added support for NV12 format
  • The video capturer API now enables cropping and scaling in response to network conditions
Updated Programming Model

When a caller create a LocalVideoTrack, the following methods of a tvi.webrtc.VideoCapturer are called in the order listed.

  1. isScreencast() - The return value is used to create a tvi.webrtc.VideoSource
  2. initialize(surfaceTextureHelper, context, capturerObserver) - This method is called so the capturer can setup to capture frames. The capturer should retain a reference to the capturer observer.
  3. startCapture(width, height, framerate) - The capturer should start capturing in a format as close as possible to width x height at framerate.

When a caller releases a local video track, the following methods are then called.

  1. stopCapture() - The capturer should stop capturing frames. The SDK expects this method to block until frames have stopped being captured.
  2. dispose() - The capturer should perform any final clean up.
API Updates
  • VideoPixelFormat has been removed in favor of implementing tvi.webrtc.VideoFrame.Buffer. The SDK includes support for the following buffer types: tvi.webrtc.VideoFrame.TextureBuffer, tvi.webrtc.NV21Buffer, tvi.webrtc.NV12Buffer, and Rgba8888Buffer.
  • VideoCapturer now extends tvi.webrtc.VideoCapturer.
  • getSupportedFormats() has been removed in favor of getCaptureFormat(). This update allows a VideoCapturer to provide a default capture format. For example, the ScreenCapturer returns a capture format based on the device screen dimensions.
  • VideoConstraints has been removed. Developers can now specify a capture format when creating a local video track and the tvi.webrtc.VideoCapturer is responsible for capturing at a format as close as possible to the specified format. The VideoFormat provided to LocalVideoTrack.create(...) takes highest priority over the format returned by VideoCapturer#getCaptureFormat(). The default format for video tracks remains 640x480 at 30 FPS.
  • Removed VideoFrame in favor of tvi.webrtc.VideoFrame.
  • Removed AspectRatio.

Video Rendering Update

This release includes updated video rendering facilities. RemoteVideoTracks and LocalVideoTracks are now rendered with a tvi.webrtc.VideoSink instead of a VideoRenderer. VideoRenderer and VideoRenderer.Listener have been removed in favor of tvi.webrtc.VideoSink and tvi.webrtc.RendererCommon.RendererEvents respectively.

API Updates
  • Removed VideoRenderer in favor of tvi.webrtc.VideoSink
  • Removed VideoRenderer.Listener in favor of tvi.webrtc.RendererCommon.RendererEvents
  • Removed VideoTrack#addRenderer in favor of VideoTrack#addSink
  • Removed VideoTrack#removeRenderer in favor of VideoTrack#removeSink
  • Updated VideoView#setListener to take a tvi.webrtc.RendererCommon.RendererEvents instead of a VideoRenderer.Listener
  • Updated VideoTextureView#setListener to take a tvi.webrtc.RendererCommon.RendererEvents instead of a VideoRenderer.Listener
  • Removed CameraCapturer#takePicture. The functionality this API provides can be recreated using a custom VideoSink. Reference the Custom Video Sink quickstart for more details.
SDK Size Update

The table below highlights the updated App Size Impact.

ABI App Size Impact 5.x App Size Impact 6.0.0-preview1
universal 21.9MB 19.5MB
armeabi-v7a 4.8MB 4.1MB
arm64-v8a 5.7MB 5.1MB
x86 6MB 5.5MB
x86_64 6.1MB 5.4MB

既知の問題

  • AudioDevice API is not available in this release.
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