| /* |
| * 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_ |