Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/third_party/libwebrtc/webrtc/media/engine/simulcast.h b/third_party/libwebrtc/webrtc/media/engine/simulcast.h
new file mode 100644
index 0000000000..84f8c31a89
--- /dev/null
+++ b/third_party/libwebrtc/webrtc/media/engine/simulcast.h
@@ -0,0 +1,63 @@
+/*
+ *  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_