All Known Implementing Classes:

LibvpxVp8Encoder, LibvpxVp9Encoder, VideoEncoderFallback, WrappedNativeVideoEncoder
```
public interface VideoEncoder
```
Interface for a video encoder that can be used with WebRTC. All calls will be made on the encoding thread. The encoder may be constructed on a different thread and changing thread after calling release is allowed.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`VideoEncoder.BitrateAllocation`	Represents bitrate allocated for an encoder to produce frames.
`static interface`	`VideoEncoder.Callback`
`static class`	`VideoEncoder.Capabilities`	Capabilities (loss notification, etc.) passed to the encoder by WebRTC.
`static class`	`VideoEncoder.CodecSpecificInfo`	Codec specific information about the encoded frame.
`static class`	`VideoEncoder.CodecSpecificInfoH264`
`static class`	`VideoEncoder.CodecSpecificInfoVP8`
`static class`	`VideoEncoder.CodecSpecificInfoVP9`
`static class`	`VideoEncoder.EncodeInfo`	Additional info for encoding.
`static class`	`VideoEncoder.ResolutionBitrateLimits`	Bitrate limits for resolution.
`static class`	`VideoEncoder.ScalingSettings`	Settings for WebRTC quality based scaling.
`static class`	`VideoEncoder.Settings`	Settings passed to the encoder by WebRTC.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default long`	`createNativeVideoEncoder()`	The encoder implementation backing this interface is either 1) a Java encoder (e.g., an Android platform encoder), or alternatively 2) a native encoder (e.g., a software encoder or a C++ encoder adapter).
`VideoCodecStatus`	`encode(VideoFrame frame, VideoEncoder.EncodeInfo info)`	Requests the encoder to encode a frame.
`java.lang.String`	`getImplementationName()`	Should return a descriptive name for the implementation.
`default VideoEncoder.ResolutionBitrateLimits[]`	`getResolutionBitrateLimits()`	Returns the list of bitrate limits.
`VideoEncoder.ScalingSettings`	`getScalingSettings()`	Any encoder that wants to use WebRTC provided quality scaler must implement this method.
`VideoCodecStatus`	`initEncode(VideoEncoder.Settings settings, VideoEncoder.Callback encodeCallback)`	Initializes the encoding process.
`default boolean`	`isHardwareEncoder()`	Returns true if the encoder is backed by hardware.
`VideoCodecStatus`	`release()`	Releases the encoder.
`VideoCodecStatus`	`setRateAllocation(VideoEncoder.BitrateAllocation allocation, int framerate)`	Sets the bitrate allocation and the target framerate for the encoder.

- Method Detail
  - createNativeVideoEncoder
```
default long createNativeVideoEncoder()
```
    The encoder implementation backing this interface is either 1) a Java encoder (e.g., an Android platform encoder), or alternatively 2) a native encoder (e.g., a software encoder or a C++ encoder adapter). For case 1), createNativeVideoEncoder() should return zero. In this case, we expect the native library to call the encoder through JNI using the Java interface declared below. For case 2), createNativeVideoEncoder() should return a non-zero value. In this case, we expect the native library to treat the returned value as a raw pointer of type webrtc::VideoEncoder* (ownership is transferred to the caller). The native library should then directly call the webrtc::VideoEncoder interface without going through JNI. All calls to the Java interface methods declared below should thus throw an UnsupportedOperationException.
  - isHardwareEncoder
```
default boolean isHardwareEncoder()
```
    Returns true if the encoder is backed by hardware.
  - initEncode
```
VideoCodecStatus initEncode(VideoEncoder.Settings settings,
                            VideoEncoder.Callback encodeCallback)
```
    Initializes the encoding process. Call before any calls to encode.
  - release
```
VideoCodecStatus release()
```
    Releases the encoder. No more calls to encode will be made after this call.
  - encode
```
VideoCodecStatus encode(VideoFrame frame,
                        VideoEncoder.EncodeInfo info)
```
    Requests the encoder to encode a frame.
  - setRateAllocation
```
VideoCodecStatus setRateAllocation(VideoEncoder.BitrateAllocation allocation,
                                   int framerate)
```
    Sets the bitrate allocation and the target framerate for the encoder.
  - getScalingSettings
```
VideoEncoder.ScalingSettings getScalingSettings()
```
    Any encoder that wants to use WebRTC provided quality scaler must implement this method.
  - getResolutionBitrateLimits
```
default VideoEncoder.ResolutionBitrateLimits[] getResolutionBitrateLimits()
```
    Returns the list of bitrate limits.
  - getImplementationName
```
java.lang.String getImplementationName()
```
    Should return a descriptive name for the implementation. Gets called once and cached. May be called from arbitrary thread.

Interface VideoEncoder

Nested Class Summary

Method Summary

Method Detail

createNativeVideoEncoder

isHardwareEncoder

initEncode

release

encode

setRateAllocation

getScalingSettings

getResolutionBitrateLimits

getImplementationName