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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 <string>
#include <vector>
#include "call/video_config.h"
#include "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 // MEDIA_ENGINE_SIMULCAST_H_
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