| /* |
| * 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 WEBRTC_MEDIA_ENGINE_SIMULCAST_H_ |
| #define WEBRTC_MEDIA_ENGINE_SIMULCAST_H_ |
| |
| #include <vector> |
| |
| #include "webrtc/call/video_config.h" |
| #include "webrtc/rtc_base/basictypes.h" |
| |
| namespace cricket { |
| struct StreamParams; |
| |
| // TODO(sprang): Remove this, as we're moving away from temporal layer mode. |
| // Config for use with screen cast when temporal layers are enabled. |
| struct ScreenshareLayerConfig { |
| public: |
| ScreenshareLayerConfig(int tl0_bitrate, int tl1_bitrate); |
| |
| // Bitrates, for temporal layers 0 and 1. |
| int tl0_bitrate_kbps; |
| int tl1_bitrate_kbps; |
| |
| static ScreenshareLayerConfig GetDefault(); |
| |
| // Parse bitrate from group name on format "(tl0_bitrate)-(tl1_bitrate)", |
| // eg. "100-1000" for the default rates. |
| static bool FromFieldTrialGroup(const std::string& group, |
| ScreenshareLayerConfig* config); |
| }; |
| |
| // TODO(pthatcher): Write unit tests just for these functions, |
| // independent of WebrtcVideoEngine. |
| |
| int GetTotalMaxBitrateBps(const std::vector<webrtc::VideoStream>& streams); |
| |
| // Get the ssrcs of the SIM group from the stream params. |
| void GetSimulcastSsrcs(const StreamParams& sp, std::vector<uint32_t>* ssrcs); |
| |
| // Get simulcast settings. |
| // TODO(sprang): Remove default parameter when it's not longer referenced. |
| std::vector<webrtc::VideoStream> GetSimulcastConfig(size_t max_streams, |
| int width, |
| int height, |
| int max_bitrate_bps, |
| int max_qp, |
| int max_framerate, |
| bool is_screencast = false); |
| |
| bool UseSimulcastScreenshare(); |
| |
| } // namespace cricket |
| |
| #endif // WEBRTC_MEDIA_ENGINE_SIMULCAST_H_ |