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 1.1 2002/10/20 17:22:33 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 /*****************************************************************************
  24  * Structure needed for decoder
  25  *****************************************************************************/
  26 typedef struct bitmapinfoheader_s
  27 {
  28     u32 i_size; /* size of header 40 + size of data follwoing this header */
  29     u32 i_width;
  30     u32 i_height;
  31     u16 i_planes;
  32     u16 i_bitcount;
  33     u32 i_compression;
  34     u32 i_sizeimage;
  35     u32 i_xpelspermeter;
  36     u32 i_ypelspermeter;
  37     u32 i_clrused;
  38     u32 i_clrimportant;
  39 } bitmapinfoheader_t;
  40
  41 typedef struct waveformatex_s
  42 {
  43     u16 i_format;
  44     u16 i_channels;
  45     u32 i_samplepersec;
  46     u32 i_avgbytespersec;
  47     u16 i_blockalign;
  48     u16 i_bitspersample;
  49     u16 i_size;          /* This give size of data
  50                             imediatly following this header. */
  51 } waveformatex_t;
  52
  53 typedef struct guid_s
  54 {
  55     u32 v1; /* le */
  56     u16 v2; /* le */
  57     u16 v3; /* le */
  58     u8  v4[8];
  59 } guid_t;
  60
  61 #define ASF_OBJECT_TYPE_NULL      0x0000
  62 #define ASF_OBJECT_TYPE_ROOT      0x0001
  63 #define ASF_OBJECT_TYPE_HEADER    0x0002
  64 #define ASF_OBJECT_TYPE_DATA      0x0003
  65 #define ASF_OBJECT_TYPE_INDEX     0x0004
  66 #define ASF_OBJECT_TYPE_FILE_PROPERTIES     0x0005
  67 #define ASF_OBJECT_TYPE_STREAM_PROPERTIES   0x0006
  68 #define ASF_OBJECT_TYPE_EXTENTION_HEADER    0x0007
  69 #define ASF_OBJECT_TYPE_CODEC_LIST          0x0008
  70 #define ASF_OBJECT_TYPE_MARKER              0x0009
  71 #define ASF_OBJECT_TYPE_CONTENT_DESCRIPTION 0x000a
  72
  73 static const guid_t asf_object_null_guid =
  74 {
  75     0x00000000,
  76     0x0000,
  77     0x0000,
  78     { 0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00 }
  79 };
  80
  81 static const guid_t asf_object_header_guid =
  82 {
  83     0x75B22630,
  84     0x668E,
  85     0x11CF,
  86     { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
  87 };
  88
  89 static const guid_t asf_object_data_guid =
  90 {
  91     0x75B22636,
  92     0x668E,
  93     0x11CF,
  94     { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
  95 };
  96
  97
  98
  99 static const guid_t asf_object_index_guid =
 100 {
 101     0x33000890,
 102     0xE5B1,
 103     0x11CF,
 104     { 0x89,0xF4, 0x00,0xA0,0xC9,0x03,0x49,0xCB }
 105 };
 106
 107 static const guid_t asf_object_file_properties_guid =
 108 {
 109     0x8cabdca1,
 110     0xa947,
 111     0x11cf,
 112     { 0x8e,0xe4, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
 113
 114 };
 115 static const guid_t asf_object_stream_properties_guid =
 116 {
 117     0xB7DC0791,
 118     0xA9B7,
 119     0x11CF,
 120     { 0x8E,0xE6, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
 121
 122 };
 123
 124 static const guid_t asf_object_content_description_guid =
 125 {
 126     0x75B22633,
 127     0x668E,
 128     0x11CF,
 129     { 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c }
 130 };
 131
 132 static const guid_t asf_object_header_extention_guid =
 133 {
 134    0x5FBF03B5,
 135    0xA92E,
 136    0x11CF,
 137    { 0x8E,0xE3, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
 138 };
 139
 140 static const guid_t asf_object_codec_list_guid =
 141 {
 142     0x86D15240,
 143     0x311D,
 144     0x11D0,
 145     { 0xA3,0xA4, 0x00,0xA0,0xC9,0x03,0x48,0xF6 }
 146 };
 147
 148 static const guid_t asf_object_marker_guid =
 149 {
 150     0xF487CD01,
 151     0xA951,
 152     0x11CF,
 153     { 0x8E,0xE6, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
 154
 155 };
 156
 157 static const guid_t asf_object_stream_type_audio =
 158 {
 159     0xF8699E40,
 160     0x5B4D,
 161     0x11CF,
 162     { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
 163 };
 164
 165 static const guid_t asf_object_stream_type_video =
 166 {
 167     0xbc19efc0,
 168     0x5B4D,
 169     0x11CF,
 170     { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
 171 };
 172
 173 static const guid_t asf_object_stream_type_command =
 174 {
 175     0x59DACFC0,
 176     0x59E6,
 177     0x11D0,
 178     { 0xA3,0xAC, 0x00,0xA0,0xC9,0x03,0x48,0xF6 }
 179 };
 180
 181 #if 0
 182 static const guid_t asf_object_
 183 {
 184
 185
 186 };
 187 #endif
 188 #if 0
 189 typedef struct asf_packet_s
 190 {
 191     int i_stream_number;
 192
 193     int i_payload_size;
 194     u8  *p_payload_data;
 195
 196 } asf_packet_t;
 197 #endif
 198
 199 #define ASF_OBJECT_COMMON           \
 200     int          i_type;            \
 201     guid_t       i_object_id;       \
 202     u64          i_object_size;     \
 203     u64          i_object_pos;      \
 204     union asf_object_u *p_father;  \
 205     union asf_object_u *p_first;   \
 206     union asf_object_u *p_last;    \
 207     union asf_object_u *p_next;
 208
 209 typedef struct asf_object_common_s
 210 {
 211     ASF_OBJECT_COMMON
 212
 213 } asf_object_common_t;
 214
 215 typedef struct asf_index_entry_s
 216 {
 217     u32 i_packet_number;
 218     u16 i_packet_count;
 219
 220 } asf_index_entry_t;
 221
 222 /****************************************************************************
 223  * High level asf object
 224  ****************************************************************************/
 225 /* This is the first header find in a asf file
 226  * It's the only object that have subobject */
 227 typedef struct asf_object_header_s
 228 {
 229     ASF_OBJECT_COMMON
 230     u32 i_sub_object_count;
 231     u8  i_reserved1; /* 0x01, but could be safely ignored */
 232     u8  i_reserved2; /* 0x02, if not must failed to source the contain */
 233
 234 } asf_object_header_t;
 235
 236 typedef struct asf_object_data_s
 237 {
 238     ASF_OBJECT_COMMON
 239     guid_t  i_file_id;
 240     u64     i_total_data_packets;
 241     u16     i_reserved;
 242
 243 } asf_object_data_t;
 244
 245
 246 typedef struct asf_object_index_s
 247 {
 248     ASF_OBJECT_COMMON
 249     guid_t  i_file_id;
 250     u64     i_index_entry_time_interval;
 251     u32     i_max_packet_count;
 252     u32     i_index_entry_count;
 253
 254     asf_index_entry_t *index_entry;
 255
 256 } asf_object_index_t;
 257
 258 typedef struct asf_object_root_s
 259 {
 260     ASF_OBJECT_COMMON
 261
 262     asf_object_header_t *p_hdr;
 263     asf_object_data_t   *p_data;
 264     asf_object_index_t  *p_index;
 265
 266 } asf_object_root_t;
 267
 268 /****************************************************************************
 269  * Sub level asf object
 270  ****************************************************************************/
 271 #define ASF_FILE_PROPERTIES_BROADCAST   0x01
 272 #define ASF_FILE_PROPERTIES_SEEKABLE    0x02
 273
 274 typedef struct asf_object_file_properties_s
 275 {
 276     ASF_OBJECT_COMMON
 277
 278     guid_t  i_file_id;
 279     u64     i_file_size;
 280     u64     i_creation_date;
 281     u64     i_data_packets_count;
 282     u64     i_play_duration;
 283     u64     i_send_duration;
 284     u64     i_preroll;
 285     u32     i_flags;
 286     u32     i_min_data_packet_size;
 287     u32     i_max_data_packet_size;
 288     u32     i_max_bitrate;
 289
 290 } asf_object_file_properties_t;
 291
 292 #define ASF_STREAM_PROPERTIES_ENCRYPTED 0x8000
 293 typedef struct asf_object_stream_properties_s
 294 {
 295     ASF_OBJECT_COMMON
 296
 297     guid_t  i_stream_type;
 298     guid_t  i_error_correction_type;
 299     u64     i_time_offset;
 300     u32     i_type_specific_data_length;
 301     u32     i_error_correction_data_length;
 302     u16     i_flags;
 303         /* extrated from flags */
 304         u8      i_stream_number;
 305     u32     i_reserved;
 306     u8      *p_type_specific_data;
 307     u8      *p_error_correction_data;
 308 } asf_object_stream_properties_t;
 309
 310 typedef struct asf_object_header_extention_s
 311 {
 312     ASF_OBJECT_COMMON
 313
 314     guid_t  i_reserved1;
 315     u16     i_reserved2;
 316     u32     i_header_extention_size;
 317     u8      *p_header_extention_data;
 318
 319 } asf_object_header_extention_t;
 320
 321 typedef struct asf_objec_content_description_s
 322 {
 323     ASF_OBJECT_COMMON
 324
 325     char *psz_title;
 326     char *psz_author;
 327     char *psz_copyright;
 328     char *psz_description;
 329     char *psz_rating;
 330
 331 } asf_object_content_description_t;
 332
 333 typedef struct string16_s
 334 {
 335     u16 i_length;
 336     u16 *i_char;
 337 } string16_t;
 338
 339 #define ASF_CODEC_TYPE_VIDEO    0x0001
 340 #define ASF_CODEC_TYPE_AUDIO    0x0002
 341 #define ASF_CODEC_TYPE_UNKNOW   0xffff
 342
 343 typedef struct asf_codec_entry_s
 344 {
 345     u16         i_type;
 346     char        *psz_name;
 347     char        *psz_description;
 348
 349     u16         i_information_length;
 350     u8          *p_information;
 351 } asf_codec_entry_t;
 352
 353 typedef struct asf_object_codec_list_s
 354 {
 355     ASF_OBJECT_COMMON
 356     guid_t  i_reserved;
 357     u32     i_codec_entries_count;
 358     asf_codec_entry_t *codec;
 359
 360 } asf_object_codec_list_t;
 361
 362 #if 0
 363 typedef struct asf_object_script_command_s
 364 {
 365     ASF_OBJECT_COMMON
 366
 367
 368 } asf_object_script_command_t;
 369 #endif
 370 typedef struct asf_marker_s
 371 {
 372     u64     i_offset;
 373     u64     i_presentation_time;
 374     u16     i_entry_length;
 375     u32     i_send_time;
 376     u32     i_flags;
 377     u32     i_marker_description_length;
 378     u8      *i_marker_description;
 379     /* u8 padding */
 380
 381 } asf_marker_t;
 382
 383 typedef struct asf_object_marker_s
 384 {
 385     ASF_OBJECT_COMMON
 386     guid_t  i_reserved1;
 387     u32     i_count;
 388     u16     i_reserved2;
 389     string16_t name;
 390     asf_marker_t *marker;
 391
 392 } asf_object_marker_t;
 393
 394 #if 0
 395 typedef struct asf_object__s
 396 {
 397     ASF_OBJECT_COMMON
 398
 399 } asf_object__t;
 400 #endif
 401
 402 typedef union asf_object_u
 403 {
 404     asf_object_common_t common;
 405     asf_object_header_t header;
 406     asf_object_data_t   data;
 407     asf_object_index_t  index;
 408     asf_object_root_t   root;
 409     asf_object_file_properties_t    file_properties;
 410     asf_object_stream_properties_t  stream_properties;
 411     asf_object_header_extention_t   header_extention;
 412     asf_object_codec_list_t         codec_list;
 413     asf_object_marker_t             marker;
 414
 415 } asf_object_t;
 416
 417
 418 off_t   ASF_TellAbsolute( input_thread_t *p_input );
 419 int     ASF_SeekAbsolute( input_thread_t *p_input, off_t i_pos);
 420 int     ASF_ReadData( input_thread_t *p_input, u8 *p_buff, int i_size );
 421 int     ASF_SkipBytes( input_thread_t *p_input, int i_count );
 422
 423 void GetGUID( guid_t *p_guid, u8 *p_data );
 424 int  CmpGUID( const guid_t *p_guid1, const guid_t *p_guid2 );
 425
 426 int  ASF_ReadObjectCommon( input_thread_t *p_input,
 427                            asf_object_t *p_obj );
 428 int  ASF_NextObject( input_thread_t *p_input,
 429                      asf_object_t *p_obj );
 430 int  ASF_GotoObject( input_thread_t *p_input,
 431                      asf_object_t *p_obj );
 432
 433 int  ASF_ReadObject( input_thread_t *p_input,
 434                      asf_object_t *p_obj,
 435                      asf_object_t *p_father );
 436 void ASF_FreeObject( input_thread_t *p_input,
 437                      asf_object_t *p_obj );
 438 int  ASF_ReadObjectRoot( input_thread_t *p_input,
 439                          asf_object_root_t *p_root,
 440                          int b_seekable );
 441 void ASF_FreeObjectRoot( input_thread_t *p_input,
 442                          asf_object_root_t *p_root );
 443
 444 int  ASF_CountObject( asf_object_t *p_obj, const guid_t *p_guid );
 445 asf_object_t *ASF_FindObject( asf_object_t *p_obj, const guid_t *p_guid, int i_number );
 446
 447