git.sesse.net Git - vlc/blob - modules/access/mms/asf.h

   1 /*****************************************************************************
   2  * asf.h: MMS access plug-in
   3  *****************************************************************************
   4  * Copyright (C) 2001, 2002 VideoLAN
   5  * $Id: asf.h,v 1.1 2002/11/12 00:54:40 fenrir Exp $
   6  *
   7  * Authors: Christophe Massiot <massiot@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /****************************************************************************
  25  * XXX:
  26  *  Definitions and data duplicated from asf demuxers but I want access
  27  * and demux plugins to be independant
  28  *
  29  ****************************************************************************/
  30
  31 typedef struct guid_s
  32 {
  33     u32 v1; /* le */
  34     u16 v2; /* le */
  35     u16 v3; /* le */
  36     u8  v4[8];
  37 } guid_t;
  38
  39 static inline int CmpGuid( const guid_t *p_guid1, const guid_t *p_guid2 )
  40 {
  41     return( ( p_guid1->v1 == p_guid2->v1 &&
  42               p_guid1->v2 == p_guid2->v2 &&
  43               p_guid1->v3 == p_guid2->v3 &&
  44               p_guid1->v4[0] == p_guid2->v4[0] &&
  45               p_guid1->v4[1] == p_guid2->v4[1] &&
  46               p_guid1->v4[2] == p_guid2->v4[2] &&
  47               p_guid1->v4[3] == p_guid2->v4[3] &&
  48               p_guid1->v4[4] == p_guid2->v4[4] &&
  49               p_guid1->v4[5] == p_guid2->v4[5] &&
  50               p_guid1->v4[6] == p_guid2->v4[6] &&
  51               p_guid1->v4[7] == p_guid2->v4[7] ) ? 1 : 0 );
  52 }
  53
  54 static inline void GenerateGuid( guid_t *p_guid )
  55 {
  56     int i;
  57
  58     srand( mdate() & 0xffffffff );
  59
  60     /* FIXME should be generated using random data */
  61     p_guid->v1 = 0xbabac001;
  62     p_guid->v2 = ( (u64)rand() << 16 ) / RAND_MAX;
  63     p_guid->v3 = ( (u64)rand() << 16 ) / RAND_MAX;
  64     for( i = 0; i < 8; i++ )
  65     {
  66         p_guid->v4[i] = ( (u64)rand() * 256 ) / RAND_MAX;
  67     }
  68 }
  69
  70 #define GUID_FMT "%8.8x-%4.4x-%4.4x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x"
  71 #define GUID_PRINT( guid )  \
  72     (guid).v1,              \
  73     (guid).v2,              \
  74     (guid).v3,              \
  75     (guid).v4[0],(guid).v4[1],(guid).v4[2],(guid).v4[3],    \
  76     (guid).v4[4],(guid).v4[5],(guid).v4[6],(guid).v4[7]
  77
  78 static const guid_t asf_object_header_guid =
  79 {
  80     0x75B22630,
  81     0x668E,
  82     0x11CF,
  83     { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
  84 };
  85
  86 static const guid_t asf_object_stream_properties_guid =
  87 {
  88     0xB7DC0791,
  89     0xA9B7,
  90     0x11CF,
  91     { 0x8E,0xE6, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
  92 };
  93
  94 static const guid_t asf_object_stream_type_audio =
  95 {
  96     0xF8699E40,
  97     0x5B4D,
  98     0x11CF,
  99     { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
 100 };
 101
 102 static const guid_t asf_object_stream_type_video =
 103 {
 104     0xbc19efc0,
 105     0x5B4D,
 106     0x11CF,
 107     { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
 108 };
 109
 110 static const guid_t asf_object_bitrate_properties_guid =
 111 {
 112     0x7BF875CE,
 113     0x468D,
 114     0x11D1,
 115     { 0x8D,0x82,0x00,0x60,0x97,0xC9,0xA2,0xB2 }
 116 };
 117
 118 static const guid_t asf_object_bitrate_mutual_exclusion_guid =
 119 {
 120     0xD6E229DC,
 121     0x35DA,
 122     0x11D1,
 123     { 0x90,0x34,0x00,0xA0,0xC9,0x03,0x49,0xBE }
 124 };
 125
 126