Pepper: add PPB_VideoEncoder interface

ppapi/c/ppp_video_encoder.h

+/* Copyright (c) 2014 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.
+ */
+
+/* From ppp_video_encoder.idl modified Mon Jul 14 13:52:37 2014. */
+
+#ifndef PPAPI_C_PPP_VIDEO_ENCODER_H_
+#define PPAPI_C_PPP_VIDEO_ENCODER_H_
+
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_macros.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_stdint.h"
+
+#define PPP_VIDEOENCODER_INTERFACE_0_1 "PPP_VideoEncoder;0.1" /* dev */
+/**
+ * @file
+ * This file defines the API for receiving video bitstream buffers from the
+ * browser's video encoder.
+ */
+
+
+/**
+ * @addtogroup Structs
+ * @{
+ */
+/**
+ * Struct describing a video bitstream buffer. The plugin can determine which
+ * Encode call generated the buffer using |encode_id|.
+ */
+struct PP_VideoEncoderBitstreamBuffer { /* dev */
+  /**
+   * |encode_id| parameter of the Encode call on the
+    <code>PPB_VideoEncoder</code>
+   * interface which generated this buffer.
+   */
+  uint32_t encode_id;
+  /**
+   * Start address of buffer.
+   */
+  void* buffer;
+  /**
+   * Buffer size in bytes.
+   */
+  uint32_t size;
+  /**
+   * Whether the buffer contains a key frame.
+   */
+  PP_Bool key_frame;
+};
+/**
+ * @}
+ */
+
+/**
+ * @addtogroup Interfaces
+ * @{
+ */
+struct PPP_VideoEncoder_0_1 { /* dev */
+  /**
+   * Function for receiving bitstream buffers.
+   *
+   * In order to receive bitstream, you must register for them by calling
+   * PPB_InputEvent.RequestInputEvents() or RequestFilteringInputEvents(). By
+   * default, no events are delivered.
+   *
+   * @param[in] instance A <code>PP_Instance</code> identifying one instance
+   * of a module.
+   * @param[in] encoder A <code>PP_Resource</code> identifying the encoder
+   * resource that produced the |buffer|.
+   * @param[in] biffer A <code>PP_VideoEncoderBitstreamBuffer> containing the
+   * encoder video stream.
+   */
+  void (*HandleBitstreamBuffer)(
+      PP_Instance instance,
+      PP_Resource encoder,
+      const struct PP_VideoEncoderBitstreamBuffer* buffer);
+};
+/**
+ * @}
+ */
+
+#endif  /* PPAPI_C_PPP_VIDEO_ENCODER_H_ */
+