media/libvpx/vp8/common/header.h

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #ifndef __INC_HEADER_H
  13 #define __INC_HEADER_H
  14
  15 /* 24 bits total */
  16 typedef struct
  17 {
  18     unsigned int type: 1;
  19     unsigned int version: 3;
  20     unsigned int show_frame: 1;
  21
  22     /* Allow 2^20 bytes = 8 megabits for first partition */
  23
  24     unsigned int first_partition_length_in_bytes: 19;
  25
  26 #ifdef PACKET_TESTING
  27     unsigned int frame_number;
  28     unsigned int update_gold: 1;
  29     unsigned int uses_gold: 1;
  30     unsigned int update_last: 1;
  31     unsigned int uses_last: 1;
  32 #endif
  33
  34 } VP8_HEADER;
  35
  36 #ifdef PACKET_TESTING
  37 #define VP8_HEADER_SIZE 8
  38 #else
  39 #define VP8_HEADER_SIZE 3
  40 #endif
  41
  42
  43 #endif