Define EncodedVideoSource and RtcCapturedEncodingVideoCapturer.

media/video/video_encode_types.h

Index: media/video/video_encode_types.h
diff --git a/media/video/video_encode_types.h b/media/video/video_encode_types.h
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+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+#ifndef MEDIA_VIDEO_VIDEO_ENCODE_TYPES_H_
+#define MEDIA_VIDEO_VIDEO_ENCODE_TYPES_H_
+
+#include <map>
+#include <ostream>
+#include <vector>
+
+#include "base/time/time.h"
+#include "media/base/video_decoder_config.h"
+#include "ui/gfx/size.h"
+
+namespace media {
+
+// Data to represent limitations for a particular encoder config.
+struct VideoEncodingConfig {
+  VideoCodec codec_type;
+  std::string codec_name;
+  gfx::Size max_resolution;
+  int max_frames_per_second;
+  int max_bitrate;
+};
+
+typedef std::vector<VideoEncodingConfig> VideoEncodingCapabilities;
+
+// Encoding parameters that can be configured during streaming without removing
+// the bitstream first.
+struct RuntimeVideoEncodingParameters {
+  int target_bitrate;
+  int max_bitrate;
+  int frames_per_second;
+};
+
+// Generic video encoding parameters to be configured during initialization
+// time.
+struct VideoEncodingParameters {
+  std::string codec_name;
+  gfx::Size resolution;
+  RuntimeVideoEncodingParameters runtime_params;
+};
+
+struct BufferEncodingMetadata {
+  base::Time timestamp;
+  bool key_frame;
+};
+
+}  // namespace media
+
+#endif  // MEDIA_VIDEO_VIDEO_ENCODE_TYPES_H_