| /* |
| * libjingle |
| * Copyright 2014 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef TALK_MEDIA_WEBRTC_SIMULCAST_H_ |
| #define TALK_MEDIA_WEBRTC_SIMULCAST_H_ |
| |
| #include <vector> |
| |
| #include "webrtc/base/basictypes.h" |
| #include "webrtc/config.h" |
| |
| namespace cricket { |
| struct StreamParams; |
| |
| // 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. |
| std::vector<webrtc::VideoStream> GetSimulcastConfig(size_t max_streams, |
| int width, |
| int height, |
| int max_bitrate_bps, |
| int max_qp, |
| int max_framerate); |
| |
| } // namespace cricket |
| |
| #endif // TALK_MEDIA_WEBRTC_SIMULCAST_H_ |