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/*
* 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/video_codecs/video_encoder_config.h"
namespace cricket {
// Gets the total maximum bitrate for the |streams|.
int GetTotalMaxBitrateBps(const std::vector<webrtc::VideoStream>& streams);
// Adds any bitrate of |max_bitrate_bps| that is above the total maximum bitrate
// for the |layers| to the highest quality layer.
void BoostMaxSimulcastLayer(int max_bitrate_bps,
std::vector<webrtc::VideoStream>* layers);
// Round size to nearest simulcast-friendly size
int NormalizeSimulcastSize(int size, size_t simulcast_layers);
// Gets simulcast settings.
// TODO(asapersson): Remove max_bitrate_bps and max_framerate.
std::vector<webrtc::VideoStream> GetSimulcastConfig(
size_t max_layers,
int width,
int height,
double bitrate_priority,
int max_qp,
bool is_screenshare,
bool temporal_layers_supported = true);
// 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 = true);
// 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 screenshare_simulcast_enabled,
bool temporal_layers_supported = true);
bool ScreenshareSimulcastFieldTrialEnabled();
} // namespace cricket
#endif // MEDIA_ENGINE_SIMULCAST_H_