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Field trial to control inter-layer prediction.

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This adds WebRTC-Vp9InterLayerPred field trial that allows to control
inter-layer prediction mode in VP9 encoder.

Bug: chromium:949536
Change-Id: Iea03db07fd21f28ab58382c5fdaac68acacc701c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/131322
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27521}
This commit is contained in:
Sergey Silkin
2019-04-09 11:40:09 +02:00
committed by Commit Bot
parent 2e06926c95
commit cf267052b3
3 changed files with 62 additions and 48 deletions
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11
api/video_codecs/video_codec.h
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@ -47,13 +47,10 @@ struct VideoCodecVP8 {
int keyFrameInterval;
};
enum class InterLayerPredMode {
kOn, // Allow inter-layer prediction for all frames.
// Frame of low spatial layer can be used for
// prediction of next spatial layer frame.
kOff, // Encoder produces independent spatial layers.
kOnKeyPic // Allow inter-layer prediction only for frames
// within key picture.
enum class InterLayerPredMode : int {
kOff = 0, // Inter-layer prediction is disabled.
kOn = 1, // Inter-layer prediction is enabled.
kOnKeyPic = 2 // Inter-layer prediction is enabled but limited to key frames.
};
// VP9 specific.