Pepper: Define PPB_VideoEncoder API + Implementation

ppapi/thunk/ppb_video_encoder_api.h

+// Copyright (c) 2015 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 PPAPI_THUNK_PPB_VIDEO_ENCODER_API_H_
+#define PPAPI_THUNK_PPB_VIDEO_ENCODER_API_H_
+
+#include "ppapi/c/pp_codecs.h"
+#include "ppapi/c/ppb_video_encoder.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
+
+namespace ppapi {
+
+class TrackedCallback;
+
+namespace thunk {
+
+class PPAPI_THUNK_EXPORT PPB_VideoEncoder_API {
+ public:
+  virtual ~PPB_VideoEncoder_API() {}
+
+  virtual int32_t GetSupportedProfiles(
+      const PP_ArrayOutput& output,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t Initialize(
+      PP_VideoFrame_Format input_format,
+      const PP_Size* input_visible_size,
+      PP_VideoProfile output_profile,
+      uint32_t initial_bitrate,
+      PP_HardwareAcceleration acceleration,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t GetFramesRequired() = 0;
+  virtual int32_t GetFrameCodedSize(PP_Size* size) = 0;
+  virtual int32_t GetVideoFrame(
+      PP_Resource* video_frame,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t Encode(PP_Resource video_frame,
+                         PP_Bool force_keyframe,
+                         const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t GetBitstreamBuffer(
+      PP_BitstreamBuffer* bitstream_buffer,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual void RecycleBitstreamBuffer(
+      const PP_BitstreamBuffer* bitstream_buffer) = 0;
+  virtual void RequestEncodingParametersChange(uint32_t bitrate,
+                                               uint32_t framerate) = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_VIDEO_ENCODER_API_H_