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}
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/*
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* Copyright (c) 2014 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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#ifndef MEDIA_ENGINE_SIMULCAST_H_
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#define MEDIA_ENGINE_SIMULCAST_H_
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#include <stddef.h>
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#include <vector>
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#include "api/video_codecs/video_encoder_config.h"
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namespace cricket {
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// Gets the total maximum bitrate for the |streams|.
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int GetTotalMaxBitrateBps(const std::vector<webrtc::VideoStream>& streams);
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// Adds any bitrate of |max_bitrate_bps| that is above the total maximum bitrate
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// for the |layers| to the highest quality layer.
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void BoostMaxSimulcastLayer(int max_bitrate_bps,
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std::vector<webrtc::VideoStream>* layers);
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// Round size to nearest simulcast-friendly size
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int NormalizeSimulcastSize(int size, size_t simulcast_layers);
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// Gets simulcast settings.
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std::vector<webrtc::VideoStream> GetSimulcastConfig(
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size_t min_layers,
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size_t max_layers,
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int width,
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int height,
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double bitrate_priority,
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int max_qp,
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bool is_screenshare_with_conference_mode,
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bool temporal_layers_supported);
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// Gets the simulcast config layers for a non-screensharing case.
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std::vector<webrtc::VideoStream> GetNormalSimulcastLayers(
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size_t max_layers,
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int width,
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int height,
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double bitrate_priority,
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int max_qp,
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bool temporal_layers_supported,
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bool base_heavy_tl3_rate_alloc);
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// Gets simulcast config layers for screenshare settings.
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std::vector<webrtc::VideoStream> GetScreenshareLayers(
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size_t max_layers,
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int width,
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int height,
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double bitrate_priority,
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int max_qp,
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bool temporal_layers_supported,
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bool base_heavy_tl3_rate_alloc);
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} // namespace cricket
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#endif // MEDIA_ENGINE_SIMULCAST_H_
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