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[VP9] Shift spatial layers on RTP level to always start from 0.

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This CL uses |width| and |height| in RTPVideoHeaderVP9 to pass information
about enabled layers from encoder to packetizer.

Bug: webrtc:11319
Change-Id: Idc1c337f8dfb3f7631506acb784d2a634b41b955
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/167724
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30428}
This commit is contained in:
Ilya Nikolaevskiy
2020-01-29 16:21:51 +01:00
committed by Commit Bot
parent 670af2692e
commit 2e73a3d1e9
6 changed files with 91 additions and 1 deletions
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2
modules/video_coding/codecs/vp9/include/vp9_globals.h
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@ -173,6 +173,7 @@ struct RTPVideoHeaderVP9 {
gof_idx = kNoGofIdx;
num_ref_pics = 0;
num_spatial_layers = 1;
first_active_layer = 0;
end_of_picture = true;
}
@ -208,6 +209,7 @@ struct RTPVideoHeaderVP9 {
// SS data.
size_t num_spatial_layers; // Always populated.
size_t first_active_layer; // Not sent on wire, used to adjust ss data.
bool spatial_layer_resolution_present;
uint16_t width[kMaxVp9NumberOfSpatialLayers];
uint16_t height[kMaxVp9NumberOfSpatialLayers];

1
modules/video_coding/codecs/vp9/vp9_impl.cc
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@ -1113,6 +1113,7 @@ void VP9EncoderImpl::PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
// Always populate this, so that the packetizer can properly set the marker
// bit.
vp9_info->num_spatial_layers = num_active_spatial_layers_;
vp9_info->first_active_layer = first_active_layer_;
vp9_info->num_ref_pics = 0;
FillReferenceIndices(pkt, pics_since_key_, vp9_info->inter_layer_predicted,