File: pp_video_frame_private.idl

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/* Copyright 2013 The Chromium Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

/**
 * This file defines the struct used to hold a video frame.
 */

/**
 * The <code>PP_VideoFrame_Private</code> struct represents a video frame.
 * Video sources and destinations use frames to transfer video to and from
 * the browser.
 */
[assert_size(16)]
struct PP_VideoFrame_Private {
  /**
   * A timestamp placing the frame in a video stream.
   */
  PP_TimeTicks timestamp;

  /**
   * An image data resource to hold the video frame.
   */
  PP_Resource image_data;

  /**
   * Ensure that this struct is 16-bytes wide by padding the end.  In some
   * compilers, PP_TimeTicks is 8-byte aligned, so those compilers align this
   * struct on 8-byte boundaries as well and pad it to 8 bytes even without this
   * padding attribute.  This padding makes its size consistent across
   * compilers.
   */
  int32_t padding;
};