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03d909634b
If e.g. CPU adaptation reduces input video size too much, video pipeline would reduce the number of used simulcast streams/spatial layers. This may result in disabled video if some streams are disabled by Rtp encoding parameters API. Bug: webrtc:11319 Change-Id: Id7f157255599dcb6f494129b83477cda4bea982a Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168480 Reviewed-by: Evan Shrubsole <eshr@google.com> Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30498}
78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/video_coding/codecs/vp9/svc_config.h"
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#include <cstddef>
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#include <vector>
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#include "modules/video_coding/codecs/vp9/include/vp9_globals.h"
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#include "test/gtest.h"
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namespace webrtc {
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TEST(SvcConfig, NumSpatialLayers) {
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const size_t max_num_spatial_layers = 6;
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const size_t min_spatial_layers = 1;
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const size_t num_spatial_layers = 2;
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std::vector<SpatialLayer> spatial_layers =
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GetSvcConfig(kMinVp9SpatialLayerWidth << (num_spatial_layers - 1),
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kMinVp9SpatialLayerHeight << (num_spatial_layers - 1), 30,
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min_spatial_layers, max_num_spatial_layers, 1, false);
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EXPECT_EQ(spatial_layers.size(), num_spatial_layers);
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}
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TEST(SvcConfig, NumSpatialLayersRespectsMinNumberOfLayers) {
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const size_t max_num_spatial_layers = 6;
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const size_t min_spatial_layers = 2;
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std::vector<SpatialLayer> spatial_layers =
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GetSvcConfig(kMinVp9SpatialLayerWidth, kMinVp9SpatialLayerHeight, 30,
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min_spatial_layers, max_num_spatial_layers, 1, false);
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EXPECT_EQ(spatial_layers.size(), 2u);
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}
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TEST(SvcConfig, BitrateThresholds) {
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const size_t min_spatial_layers = 1;
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const size_t num_spatial_layers = 3;
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std::vector<SpatialLayer> spatial_layers =
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GetSvcConfig(kMinVp9SpatialLayerWidth << (num_spatial_layers - 1),
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kMinVp9SpatialLayerHeight << (num_spatial_layers - 1), 30,
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min_spatial_layers, num_spatial_layers, 1, false);
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EXPECT_EQ(spatial_layers.size(), num_spatial_layers);
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for (const SpatialLayer& layer : spatial_layers) {
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EXPECT_LE(layer.minBitrate, layer.maxBitrate);
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EXPECT_LE(layer.minBitrate, layer.targetBitrate);
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EXPECT_LE(layer.targetBitrate, layer.maxBitrate);
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}
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}
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TEST(SvcConfig, ScreenSharing) {
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std::vector<SpatialLayer> spatial_layers =
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GetSvcConfig(1920, 1080, 30, 1, 3, 3, true);
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EXPECT_EQ(spatial_layers.size(), 3UL);
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for (size_t i = 0; i < 3; ++i) {
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const SpatialLayer& layer = spatial_layers[i];
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EXPECT_EQ(layer.width, 1920);
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EXPECT_EQ(layer.height, 1080);
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EXPECT_EQ(layer.maxFramerate, (i < 1) ? 5 : (i < 2 ? 10 : 30));
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EXPECT_EQ(layer.numberOfTemporalLayers, 1);
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EXPECT_LE(layer.minBitrate, layer.maxBitrate);
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EXPECT_LE(layer.minBitrate, layer.targetBitrate);
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EXPECT_LE(layer.targetBitrate, layer.maxBitrate);
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}
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}
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} // namespace webrtc
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