webrtc/media/engine/simulcast.h
Oskar Segersvärd dc81e11f96 Use webrtc::DataRate when referring to bitrates
Change-Id: I1ff344fa1ae302e036f91db19d073e4c9829825f
Bug: webrtc:9709
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168498
Commit-Queue: Oskar Segersvärd <oseg@google.com>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30517}
2020-02-13 13:26:49 +00:00

68 lines
2 KiB
C++

/*
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MEDIA_ENGINE_SIMULCAST_H_
#define MEDIA_ENGINE_SIMULCAST_H_
#include <stddef.h>
#include <vector>
#include "api/units/data_rate.h"
#include "api/video_codecs/video_encoder_config.h"
namespace cricket {
// Gets the total maximum bitrate for the |streams|.
webrtc::DataRate GetTotalMaxBitrate(
const std::vector<webrtc::VideoStream>& streams);
// Adds any bitrate of |max_bitrate| that is above the total maximum bitrate for
// the |layers| to the highest quality layer.
void BoostMaxSimulcastLayer(webrtc::DataRate max_bitrate,
std::vector<webrtc::VideoStream>* layers);
// Round size to nearest simulcast-friendly size
int NormalizeSimulcastSize(int size, size_t simulcast_layers);
// Gets simulcast settings.
std::vector<webrtc::VideoStream> GetSimulcastConfig(
size_t min_layers,
size_t max_layers,
int width,
int height,
double bitrate_priority,
int max_qp,
bool is_screenshare_with_conference_mode,
bool temporal_layers_supported);
// Gets the simulcast config layers for a non-screensharing case.
std::vector<webrtc::VideoStream> GetNormalSimulcastLayers(
size_t max_layers,
int width,
int height,
double bitrate_priority,
int max_qp,
bool temporal_layers_supported,
bool base_heavy_tl3_rate_alloc);
// Gets simulcast config layers for screenshare settings.
std::vector<webrtc::VideoStream> GetScreenshareLayers(
size_t max_layers,
int width,
int height,
double bitrate_priority,
int max_qp,
bool temporal_layers_supported,
bool base_heavy_tl3_rate_alloc);
} // namespace cricket
#endif // MEDIA_ENGINE_SIMULCAST_H_