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Add control for inter-layer prediction mode.

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This allows to control inter-layer prediction at encoding VP9 SVC.
There are three options:
1. Disabled.
2. Enabled for all pictures.
3. Enabled for key pictures, disabled for others.

Inter-layer prediction is enabled for all pictures by default.

Bug: none
Change-Id: I49fe43d8744c92bec349d815100ba158519f0664
Reviewed-on: https://webrtc-review.googlesource.com/71500
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23049}
This commit is contained in:
Sergey Silkin
2018-04-26 11:03:49 +02:00
committed by Commit Bot
parent ad7f6e5ccf
commit 6a8f30e5a3
5 changed files with 123 additions and 14 deletions
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3
modules/video_coding/codecs/vp9/vp9_impl.h
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@ -120,9 +120,10 @@ class VP9EncoderImpl : public VP9Encoder {
const VideoFrame* input_image_;
GofInfoVP9 gof_; // Contains each frame's temporal information for
// non-flexible mode.
size_t frames_since_kf_;
size_t pics_since_key_;
uint8_t num_temporal_layers_;
uint8_t num_spatial_layers_;
InterLayerPredMode inter_layer_pred_;
// Used for flexible mode.
bool is_flexible_mode_;