Index: webrtc/media/webrtc/simulcast.h |
diff --git a/webrtc/media/webrtc/simulcast.h b/webrtc/media/webrtc/simulcast.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bc99d24a19f7f09846794cddbfa7eb112eecc1db |
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+++ b/webrtc/media/webrtc/simulcast.h |
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+/* |
+ * Copyright 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_WEBRTC_SIMULCAST_H_ |
+#define WEBRTC_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 // WEBRTC_MEDIA_WEBRTC_SIMULCAST_H_ |