git.sesse.net Git - vlc/blob - modules/demux/asf/libasf.h

   1 /*****************************************************************************
   2  * libasf.h :
   3  *****************************************************************************
   4  * Copyright (C) 2001 VideoLAN
   5  * $Id: libasf.h,v 1.4 2002/11/14 16:17:47 fenrir Exp $
   6  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  21  *****************************************************************************/
  22
  23 #include "codecs.h"                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  24
  25 /*****************************************************************************
  26  * Structure needed for decoder
  27  *****************************************************************************/
  28 typedef struct guid_s
  29 {
  30     uint32_t v1; /* le */
  31     uint16_t v2; /* le */
  32     uint16_t v3; /* le */
  33     uint8_t  v4[8];
  34 } guid_t;
  35
  36 #define ASF_OBJECT_TYPE_NULL      0x0000
  37 #define ASF_OBJECT_TYPE_ROOT      0x0001
  38 #define ASF_OBJECT_TYPE_HEADER    0x0002
  39 #define ASF_OBJECT_TYPE_DATA      0x0003
  40 #define ASF_OBJECT_TYPE_INDEX     0x0004
  41 #define ASF_OBJECT_TYPE_FILE_PROPERTIES     0x0005
  42 #define ASF_OBJECT_TYPE_STREAM_PROPERTIES   0x0006
  43 #define ASF_OBJECT_TYPE_EXTENTION_HEADER    0x0007
  44 #define ASF_OBJECT_TYPE_CODEC_LIST          0x0008
  45 #define ASF_OBJECT_TYPE_MARKER              0x0009
  46 #define ASF_OBJECT_TYPE_CONTENT_DESCRIPTION 0x000a
  47
  48 static const guid_t asf_object_null_guid =
  49 {
  50     0x00000000,
  51     0x0000,
  52     0x0000,
  53     { 0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00 }
  54 };
  55
  56 static const guid_t asf_object_header_guid =
  57 {
  58     0x75B22630,
  59     0x668E,
  60     0x11CF,
  61     { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
  62 };
  63
  64 static const guid_t asf_object_data_guid =
  65 {
  66     0x75B22636,
  67     0x668E,
  68     0x11CF,
  69     { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
  70 };
  71
  72
  73
  74 static const guid_t asf_object_index_guid =
  75 {
  76     0x33000890,
  77     0xE5B1,
  78     0x11CF,
  79     { 0x89,0xF4, 0x00,0xA0,0xC9,0x03,0x49,0xCB }
  80 };
  81
  82 static const guid_t asf_object_file_properties_guid =
  83 {
  84     0x8cabdca1,
  85     0xa947,
  86     0x11cf,
  87     { 0x8e,0xe4, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
  88
  89 };
  90 static const guid_t asf_object_stream_properties_guid =
  91 {
  92     0xB7DC0791,
  93     0xA9B7,
  94     0x11CF,
  95     { 0x8E,0xE6, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
  96
  97 };
  98
  99 static const guid_t asf_object_content_description_guid =
 100 {
 101     0x75B22633,
 102     0x668E,
 103     0x11CF,
 104     { 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c }
 105 };
 106
 107 static const guid_t asf_object_header_extention_guid =
 108 {
 109    0x5FBF03B5,
 110    0xA92E,
 111    0x11CF,
 112    { 0x8E,0xE3, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
 113 };
 114
 115 static const guid_t asf_object_codec_list_guid =
 116 {
 117     0x86D15240,
 118     0x311D,
 119     0x11D0,
 120     { 0xA3,0xA4, 0x00,0xA0,0xC9,0x03,0x48,0xF6 }
 121 };
 122
 123 static const guid_t asf_object_marker_guid =
 124 {
 125     0xF487CD01,
 126     0xA951,
 127     0x11CF,
 128     { 0x8E,0xE6, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
 129
 130 };
 131
 132 static const guid_t asf_object_stream_type_audio =
 133 {
 134     0xF8699E40,
 135     0x5B4D,
 136     0x11CF,
 137     { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
 138 };
 139
 140 static const guid_t asf_object_stream_type_video =
 141 {
 142     0xbc19efc0,
 143     0x5B4D,
 144     0x11CF,
 145     { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
 146 };
 147
 148 static const guid_t asf_object_stream_type_command =
 149 {
 150     0x59DACFC0,
 151     0x59E6,
 152     0x11D0,
 153     { 0xA3,0xAC, 0x00,0xA0,0xC9,0x03,0x48,0xF6 }
 154 };
 155
 156 #if 0
 157 static const guid_t asf_object_
 158 {
 159
 160
 161 };
 162 #endif
 163 #if 0
 164 typedef struct asf_packet_s
 165 {
 166     int i_stream_number;
 167
 168     int i_payload_size;
 169     u8  *p_payload_data;
 170
 171 } asf_packet_t;
 172 #endif
 173
 174 #define ASF_OBJECT_COMMON           \
 175     int          i_type;            \
 176     guid_t       i_object_id;       \
 177     u64          i_object_size;     \
 178     u64          i_object_pos;      \
 179     union asf_object_u *p_father;  \
 180     union asf_object_u *p_first;   \
 181     union asf_object_u *p_last;    \
 182     union asf_object_u *p_next;
 183
 184 typedef struct asf_object_common_s
 185 {
 186     ASF_OBJECT_COMMON
 187
 188 } asf_object_common_t;
 189
 190 typedef struct asf_index_entry_s
 191 {
 192     uint32_t i_packet_number;
 193     uint16_t i_packet_count;
 194
 195 } asf_index_entry_t;
 196
 197 /****************************************************************************
 198  * High level asf object
 199  ****************************************************************************/
 200 /* This is the first header find in a asf file
 201  * It's the only object that have subobject */
 202 typedef struct asf_object_header_s
 203 {
 204     ASF_OBJECT_COMMON
 205     uint32_t i_sub_object_count;
 206     uint8_t  i_reserved1; /* 0x01, but could be safely ignored */
 207     uint8_t  i_reserved2; /* 0x02, if not must failed to source the contain */
 208
 209 } asf_object_header_t;
 210
 211 typedef struct asf_object_data_s
 212 {
 213     ASF_OBJECT_COMMON
 214     guid_t      i_file_id;
 215     uint64_t    i_total_data_packets;
 216     uint16_t    i_reserved;
 217
 218 } asf_object_data_t;
 219
 220
 221 typedef struct asf_object_index_s
 222 {
 223     ASF_OBJECT_COMMON
 224     guid_t      i_file_id;
 225     uint64_t    i_index_entry_time_interval;
 226     uint32_t    i_max_packet_count;
 227     uint32_t    i_index_entry_count;
 228
 229     asf_index_entry_t *index_entry;
 230
 231 } asf_object_index_t;
 232
 233 typedef struct asf_object_root_s
 234 {
 235     ASF_OBJECT_COMMON
 236
 237     asf_object_header_t *p_hdr;
 238     asf_object_data_t   *p_data;
 239     asf_object_index_t  *p_index;
 240
 241 } asf_object_root_t;
 242
 243 /****************************************************************************
 244  * Sub level asf object
 245  ****************************************************************************/
 246 #define ASF_FILE_PROPERTIES_BROADCAST   0x01
 247 #define ASF_FILE_PROPERTIES_SEEKABLE    0x02
 248
 249 typedef struct asf_object_file_properties_s
 250 {
 251     ASF_OBJECT_COMMON
 252
 253     guid_t  i_file_id;
 254     uint64_t     i_file_size;
 255     uint64_t     i_creation_date;
 256     uint64_t     i_data_packets_count;
 257     uint64_t     i_play_duration;
 258     uint64_t     i_send_duration;
 259     uint64_t     i_preroll;
 260     uint32_t     i_flags;
 261     uint32_t     i_min_data_packet_size;
 262     uint32_t     i_max_data_packet_size;
 263     uint32_t     i_max_bitrate;
 264
 265 } asf_object_file_properties_t;
 266
 267 #define ASF_STREAM_PROPERTIES_ENCRYPTED 0x8000
 268 typedef struct asf_object_stream_properties_s
 269 {
 270     ASF_OBJECT_COMMON
 271
 272     guid_t  i_stream_type;
 273     guid_t  i_error_correction_type;
 274     uint64_t     i_time_offset;
 275     uint32_t     i_type_specific_data_length;
 276     uint32_t     i_error_correction_data_length;
 277     uint16_t     i_flags;
 278         /* extrated from flags */
 279         uint8_t i_stream_number;
 280     uint32_t    i_reserved;
 281     uint8_t     *p_type_specific_data;
 282     uint8_t     *p_error_correction_data;
 283 } asf_object_stream_properties_t;
 284
 285 typedef struct asf_object_header_extention_s
 286 {
 287     ASF_OBJECT_COMMON
 288
 289     guid_t      i_reserved1;
 290     uint16_t    i_reserved2;
 291     uint32_t    i_header_extention_size;
 292     uint8_t     *p_header_extention_data;
 293
 294 } asf_object_header_extention_t;
 295
 296 typedef struct asf_objec_content_description_s
 297 {
 298     ASF_OBJECT_COMMON
 299
 300     char *psz_title;
 301     char *psz_author;
 302     char *psz_copyright;
 303     char *psz_description;
 304     char *psz_rating;
 305
 306 } asf_object_content_description_t;
 307
 308 typedef struct string16_s
 309 {
 310     uint16_t i_length;
 311     uint16_t *i_char;
 312 } string16_t;
 313
 314 #define ASF_CODEC_TYPE_VIDEO    0x0001
 315 #define ASF_CODEC_TYPE_AUDIO    0x0002
 316 #define ASF_CODEC_TYPE_UNKNOW   0xffff
 317
 318 typedef struct asf_codec_entry_s
 319 {
 320     uint16_t    i_type;
 321     char        *psz_name;
 322     char        *psz_description;
 323
 324     uint16_t    i_information_length;
 325     uint8_t     *p_information;
 326 } asf_codec_entry_t;
 327
 328 typedef struct asf_object_codec_list_s
 329 {
 330     ASF_OBJECT_COMMON
 331     guid_t      i_reserved;
 332     uint32_t    i_codec_entries_count;
 333     asf_codec_entry_t *codec;
 334
 335 } asf_object_codec_list_t;
 336
 337 #if 0
 338 typedef struct asf_object_script_command_s
 339 {
 340     ASF_OBJECT_COMMON
 341
 342
 343 } asf_object_script_command_t;
 344 #endif
 345 typedef struct asf_marker_s
 346 {
 347     uint64_t     i_offset;
 348     uint64_t     i_presentation_time;
 349     uint16_t     i_entry_length;
 350     uint32_t     i_send_time;
 351     uint32_t     i_flags;
 352     uint32_t     i_marker_description_length;
 353     uint8_t      *i_marker_description;
 354     /* u8 padding */
 355
 356 } asf_marker_t;
 357
 358 typedef struct asf_object_marker_s
 359 {
 360     ASF_OBJECT_COMMON
 361     guid_t      i_reserved1;
 362     uint32_t    i_count;
 363     uint16_t    i_reserved2;
 364     string16_t name;
 365     asf_marker_t *marker;
 366
 367 } asf_object_marker_t;
 368
 369 #if 0
 370 typedef struct asf_object__s
 371 {
 372     ASF_OBJECT_COMMON
 373
 374 } asf_object__t;
 375 #endif
 376
 377 typedef union asf_object_u
 378 {
 379     asf_object_common_t common;
 380     asf_object_header_t header;
 381     asf_object_data_t   data;
 382     asf_object_index_t  index;
 383     asf_object_root_t   root;
 384     asf_object_file_properties_t    file_properties;
 385     asf_object_stream_properties_t  stream_properties;
 386     asf_object_header_extention_t   header_extention;
 387     asf_object_codec_list_t         codec_list;
 388     asf_object_marker_t             marker;
 389
 390 } asf_object_t;
 391
 392
 393 off_t   ASF_TellAbsolute( input_thread_t *p_input );
 394 int     ASF_SeekAbsolute( input_thread_t *p_input, off_t i_pos);
 395 int     ASF_ReadData( input_thread_t *p_input, uint8_t *p_buff, int i_size );
 396 int     ASF_SkipBytes( input_thread_t *p_input, int i_count );
 397
 398 void GetGUID( guid_t *p_guid, uint8_t *p_data );
 399 int  CmpGUID( const guid_t *p_guid1, const guid_t *p_guid2 );
 400
 401 int  ASF_ReadObjectCommon( input_thread_t *p_input,
 402                            asf_object_t *p_obj );
 403 int  ASF_NextObject( input_thread_t *p_input,
 404                      asf_object_t *p_obj );
 405 int  ASF_GotoObject( input_thread_t *p_input,
 406                      asf_object_t *p_obj );
 407
 408 int  ASF_ReadObject( input_thread_t *p_input,
 409                      asf_object_t *p_obj,
 410                      asf_object_t *p_father );
 411 void ASF_FreeObject( input_thread_t *p_input,
 412                      asf_object_t *p_obj );
 413 int  ASF_ReadObjectRoot( input_thread_t *p_input,
 414                          asf_object_root_t *p_root,
 415                          int b_seekable );
 416 void ASF_FreeObjectRoot( input_thread_t *p_input,
 417                          asf_object_root_t *p_root );
 418 #define ASF_CountObject( a, b ) __ASF_CountObject( (asf_object_t*)(a), b )
 419 int  __ASF_CountObject( asf_object_t *p_obj, const guid_t *p_guid );
 420
 421 #define ASF_FindObject( a, b, c )  __ASF_FindObject( (asf_object_t*)(a), b, c )
 422 void *__ASF_FindObject( asf_object_t *p_obj, const guid_t *p_guid, int i_number );
 423
 424