Moving src/webrtc into src/.

In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}

modules/video_coding/include/video_codec_interface.h

@@ -0,0 +1,95 @@
+/*
+ *  Copyright (c) 2012 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_MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INTERFACE_H_
+#define WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INTERFACE_H_
+
+#include <vector>
+
+#include "webrtc/api/video/video_frame.h"
+#include "webrtc/api/video_codecs/video_decoder.h"
+#include "webrtc/api/video_codecs/video_encoder.h"
+#include "webrtc/common_types.h"
+#include "webrtc/modules/include/module_common_types.h"
+#include "webrtc/modules/video_coding/include/video_error_codes.h"
+#include "webrtc/typedefs.h"
+
+namespace webrtc {
+
+class RTPFragmentationHeader;  // forward declaration
+
+// Note: if any pointers are added to this struct, it must be fitted
+// with a copy-constructor. See below.
+struct CodecSpecificInfoVP8 {
+  int16_t pictureId;  // Negative value to skip pictureId.
+  bool nonReference;
+  uint8_t simulcastIdx;
+  uint8_t temporalIdx;
+  bool layerSync;
+  int tl0PicIdx;  // Negative value to skip tl0PicIdx.
+  int8_t keyIdx;  // Negative value to skip keyIdx.
+};
+
+struct CodecSpecificInfoVP9 {
+  int16_t picture_id;  // Negative value to skip pictureId.
+
+  bool inter_pic_predicted;  // This layer frame is dependent on previously
+                             // coded frame(s).
+  bool flexible_mode;
+  bool ss_data_available;
+
+  int tl0_pic_idx;  // Negative value to skip tl0PicIdx.
+  uint8_t temporal_idx;
+  uint8_t spatial_idx;
+  bool temporal_up_switch;
+  bool inter_layer_predicted;  // Frame is dependent on directly lower spatial
+                               // layer frame.
+  uint8_t gof_idx;
+
+  // SS data.
+  size_t num_spatial_layers;  // Always populated.
+  bool spatial_layer_resolution_present;
+  uint16_t width[kMaxVp9NumberOfSpatialLayers];
+  uint16_t height[kMaxVp9NumberOfSpatialLayers];
+  GofInfoVP9 gof;
+
+  // Frame reference data.
+  uint8_t num_ref_pics;
+  uint8_t p_diff[kMaxVp9RefPics];
+};
+
+struct CodecSpecificInfoGeneric {
+  uint8_t simulcast_idx;
+};
+
+struct CodecSpecificInfoH264 {
+  H264PacketizationMode packetization_mode;
+};
+
+union CodecSpecificInfoUnion {
+  CodecSpecificInfoGeneric generic;
+  CodecSpecificInfoVP8 VP8;
+  CodecSpecificInfoVP9 VP9;
+  CodecSpecificInfoH264 H264;
+};
+
+// Note: if any pointers are added to this struct or its sub-structs, it
+// must be fitted with a copy-constructor. This is because it is copied
+// in the copy-constructor of VCMEncodedFrame.
+struct CodecSpecificInfo {
+  CodecSpecificInfo() : codecType(kVideoCodecUnknown), codec_name(nullptr) {}
+  VideoCodecType codecType;
+  const char* codec_name;
+  CodecSpecificInfoUnion codecSpecific;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INTERFACE_H_