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

   1 /*****************************************************************************
   2  * libasf.h :
   3  *****************************************************************************
   4  * Copyright (C) 2001-2003 the VideoLAN team
   5  * $Id$
   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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22
  23
  24 /*****************************************************************************
  25  * Structure needed for decoder
  26  *****************************************************************************/
  27 typedef struct guid_s
  28 {
  29     uint32_t v1; /* le */
  30     uint16_t v2; /* le */
  31     uint16_t v3; /* le */
  32     uint8_t  v4[8];
  33 } guid_t;
  34
  35 enum
  36 {
  37     ASF_OBJECT_NULL = 0,
  38     ASF_OBJECT_ROOT,
  39     ASF_OBJECT_HEADER,
  40     ASF_OBJECT_DATA,
  41     ASF_OBJECT_INDEX,
  42     ASF_OBJECT_FILE_PROPERTIES,
  43     ASF_OBJECT_STREAM_PROPERTIES,
  44     ASF_OBJECT_HEADER_EXTENSION,
  45     ASF_OBJECT_CODEC_LIST,
  46     ASF_OBJECT_MARKER,
  47     ASF_OBJECT_CONTENT_DESCRIPTION,
  48     ASF_OBJECT_METADATA,
  49     ASF_OBJECT_PADDING,
  50     ASF_OBJECT_OTHER,
  51 };
  52
  53 static const guid_t asf_object_null_guid =
  54 {
  55     0x00000000,
  56     0x0000,
  57     0x0000,
  58     { 0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00 }
  59 };
  60
  61 static const guid_t asf_object_header_guid =
  62 {0x75B22630, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
  63
  64 static const guid_t asf_object_data_guid =
  65 {0x75B22636, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
  66
  67 static const guid_t asf_object_index_guid =
  68 {0x33000890, 0xE5B1, 0x11CF, {0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}};
  69
  70 static const guid_t asf_object_file_properties_guid =
  71 {0x8cabdca1, 0xa947, 0x11cf, {0x8e, 0xe4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
  72
  73 static const guid_t asf_object_stream_properties_guid =
  74 {0xB7DC0791, 0xA9B7, 0x11CF, {0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
  75
  76 static const guid_t asf_object_content_description_guid =
  77 {0x75B22633, 0x668E, 0x11CF, {0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}};
  78
  79 static const guid_t asf_object_header_extension_guid =
  80 {0x5FBF03B5, 0xA92E, 0x11CF, {0x8E, 0xE3, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
  81
  82 static const guid_t asf_object_metadata_guid =
  83 {0xC5F8CBEA, 0x5BAF, 0x4877, {0x84, 0x67, 0xAA, 0x8C, 0x44, 0xFA, 0x4C, 0xCA}};
  84
  85 static const guid_t asf_object_codec_list_guid =
  86 {0x86D15240, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
  87
  88 static const guid_t asf_object_marker_guid =
  89 {0xF487CD01, 0xA951, 0x11CF, {0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
  90
  91 static const guid_t asf_object_stream_type_audio =
  92 {0xF8699E40, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
  93
  94 static const guid_t asf_object_stream_type_video =
  95 {0xbc19efc0, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
  96
  97 static const guid_t asf_object_stream_type_command =
  98 {0x59DACFC0, 0x59E6, 0x11D0, {0xA3, 0xAC, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
  99
 100 /* TODO */
 101 static const guid_t asf_object_stream_bitrate_properties =
 102 {0x7BF875CE, 0x468D, 0x11D1, {0x8D, 0x82, 0x00, 0x60, 0x97, 0xC9, 0xA2, 0xB2}};
 103
 104 static const guid_t asf_object_language_list =
 105 {0x7C4346A9, 0xEFE0, 0x4BFC, {0xB2, 0x29, 0x39, 0x3E, 0xDE, 0x41, 0x5C, 0x85}};
 106
 107 static const guid_t asf_object_extended_stream_properties =
 108 {0x14E6A5CB, 0xC672, 0x4332, {0x83, 0x99, 0xA9, 0x69, 0x52, 0x06, 0x5B, 0x5A}};
 109
 110 static const guid_t asf_object_advanced_mutual_exclusion =
 111 {0xA08649CF, 0x4775, 0x4670, {0x8A, 0x16, 0x6E, 0x35, 0x35, 0x75, 0x66, 0xCD}};
 112
 113 static const guid_t asf_object_padding =
 114 {0x1806D474, 0xCADF, 0x4509, {0xA4, 0xBA, 0x9A, 0xAB, 0xCB, 0x96, 0xAA, 0xE8}};
 115
 116 static const guid_t asf_object_stream_prioritization =
 117 {0xD4FED15B, 0x88D3, 0x454F, {0x81, 0xF0, 0xED, 0x5C, 0x45, 0x99, 0x9E, 0x24}};
 118
 119 static const guid_t asf_object_extended_content_description =
 120 {0xD2D0A440, 0xE307, 0x11D2, {0x97, 0xF0, 0x00, 0xA0, 0xC9, 0x5E, 0xA8, 0x50}};
 121
 122 static const guid_t asf_object_extended_stream_header =
 123 {0x3afb65e2, 0x47ef, 0x40f2, { 0xac, 0x2c, 0x70, 0xa9, 0x0d, 0x71, 0xd3, 0x43}};
 124
 125 static const guid_t asf_object_extended_stream_type_audio =
 126 {0x31178c9d, 0x03e1, 0x4528, { 0xb5, 0x82, 0x3d, 0xf9, 0xdb, 0x22, 0xf5, 0x03}};
 127
 128 #define ASF_OBJECT_COMMON          \
 129     int          i_type;           \
 130     guid_t       i_object_id;      \
 131     uint64_t     i_object_size;    \
 132     uint64_t     i_object_pos;     \
 133     union asf_object_u *p_father;  \
 134     union asf_object_u *p_first;   \
 135     union asf_object_u *p_last;    \
 136     union asf_object_u *p_next;
 137
 138 typedef struct
 139 {
 140     ASF_OBJECT_COMMON
 141
 142 } asf_object_common_t;
 143
 144 typedef struct
 145 {
 146     uint32_t i_packet_number;
 147     uint16_t i_packet_count;
 148
 149 } asf_index_entry_t;
 150
 151 /****************************************************************************
 152  * High level asf object
 153  ****************************************************************************/
 154 /* This is the first header found in an asf file
 155  * It's the only object that has subobjects */
 156 typedef struct
 157 {
 158     ASF_OBJECT_COMMON
 159     uint32_t i_sub_object_count;
 160     uint8_t  i_reserved1; /* 0x01, but could be safely ignored */
 161     uint8_t  i_reserved2; /* 0x02, if not must failed to source the contain */
 162
 163 } asf_object_header_t;
 164
 165 typedef struct
 166 {
 167     ASF_OBJECT_COMMON
 168     guid_t      i_file_id;
 169     uint64_t    i_total_data_packets;
 170     uint16_t    i_reserved;
 171
 172 } asf_object_data_t;
 173
 174
 175 typedef struct
 176 {
 177     ASF_OBJECT_COMMON
 178     guid_t      i_file_id;
 179     uint64_t    i_index_entry_time_interval;
 180     uint32_t    i_max_packet_count;
 181     uint32_t    i_index_entry_count;
 182
 183     asf_index_entry_t *index_entry;
 184
 185 } asf_object_index_t;
 186
 187 /****************************************************************************
 188  * Sub level asf object
 189  ****************************************************************************/
 190 #define ASF_FILE_PROPERTIES_BROADCAST   0x01
 191 #define ASF_FILE_PROPERTIES_SEEKABLE    0x02
 192
 193 typedef struct
 194 {
 195     ASF_OBJECT_COMMON
 196
 197     guid_t  i_file_id;
 198     uint64_t     i_file_size;
 199     uint64_t     i_creation_date;
 200     uint64_t     i_data_packets_count;
 201     uint64_t     i_play_duration;
 202     uint64_t     i_send_duration;
 203     uint64_t     i_preroll;
 204     uint32_t     i_flags;
 205     uint32_t     i_min_data_packet_size;
 206     uint32_t     i_max_data_packet_size;
 207     uint32_t     i_max_bitrate;
 208
 209 } asf_object_file_properties_t;
 210
 211 #define ASF_STREAM_PROPERTIES_ENCRYPTED 0x8000
 212 typedef struct
 213 {
 214     ASF_OBJECT_COMMON
 215
 216     guid_t  i_stream_type;
 217     guid_t  i_error_correction_type;
 218     uint64_t     i_time_offset;
 219     uint32_t     i_type_specific_data_length;
 220     uint32_t     i_error_correction_data_length;
 221     uint16_t     i_flags;
 222         /* extrated from flags */
 223         uint8_t i_stream_number;
 224     uint32_t    i_reserved;
 225     uint8_t     *p_type_specific_data;
 226     uint8_t     *p_error_correction_data;
 227 } asf_object_stream_properties_t;
 228
 229 typedef struct
 230 {
 231     ASF_OBJECT_COMMON
 232
 233     guid_t      i_reserved1;
 234     uint16_t    i_reserved2;
 235     uint32_t    i_header_extension_size;
 236     uint8_t     *p_header_extension_data;
 237
 238 } asf_object_header_extension_t;
 239
 240 #define ASF_METADATA_TYPE_STRING 0x0000
 241 #define ASF_METADATA_TYPE_BYTE   0x0001
 242 #define ASF_METADATA_TYPE_BOOL   0x0002
 243 #define ASF_METADATA_TYPE_DWORD  0x0003
 244 #define ASF_METADATA_TYPE_QWORD  0x0004
 245 #define ASF_METADATA_TYPE_WORD   0x0005
 246
 247 typedef struct
 248 {
 249     uint16_t    i_stream;
 250     uint16_t    i_type;
 251     char        *psz_name;
 252
 253     int64_t i_val;
 254     int i_data;
 255     uint8_t *p_data;
 256
 257 } asf_metadata_record_t;
 258
 259 typedef struct
 260 {
 261     ASF_OBJECT_COMMON
 262
 263     uint32_t i_record_entries_count;
 264     asf_metadata_record_t *record;
 265
 266 } asf_object_metadata_t;
 267
 268 typedef struct
 269 {
 270     ASF_OBJECT_COMMON
 271
 272     char *psz_title;
 273     char *psz_artist;
 274     char *psz_copyright;
 275     char *psz_description;
 276     char *psz_rating;
 277
 278 } asf_object_content_description_t;
 279
 280 typedef struct
 281 {
 282     uint16_t i_length;
 283     uint16_t *i_char;
 284
 285 } string16_t;
 286
 287 #define ASF_CODEC_TYPE_VIDEO    0x0001
 288 #define ASF_CODEC_TYPE_AUDIO    0x0002
 289 #define ASF_CODEC_TYPE_UNKNOW   0xffff
 290
 291 typedef struct
 292 {
 293     uint16_t    i_type;
 294     char        *psz_name;
 295     char        *psz_description;
 296
 297     uint16_t    i_information_length;
 298     uint8_t     *p_information;
 299 } asf_codec_entry_t;
 300
 301 typedef struct
 302 {
 303     ASF_OBJECT_COMMON
 304     guid_t      i_reserved;
 305     uint32_t    i_codec_entries_count;
 306     asf_codec_entry_t *codec;
 307
 308 } asf_object_codec_list_t;
 309
 310 typedef struct
 311 {
 312     uint64_t     i_offset;
 313     uint64_t     i_presentation_time;
 314     uint16_t     i_entry_length;
 315     uint32_t     i_send_time;
 316     uint32_t     i_flags;
 317     uint32_t     i_marker_description_length;
 318     uint8_t      *i_marker_description;
 319
 320 } asf_marker_t;
 321
 322 typedef struct
 323 {
 324     ASF_OBJECT_COMMON
 325     guid_t      i_reserved1;
 326     uint32_t    i_count;
 327     uint16_t    i_reserved2;
 328     string16_t name;
 329     asf_marker_t *marker;
 330
 331 } asf_object_marker_t;
 332
 333 typedef struct
 334 {
 335     ASF_OBJECT_COMMON
 336     int  i_language;
 337     char **ppsz_language;
 338
 339 } asf_object_language_list_t;
 340
 341 typedef struct
 342 {
 343     ASF_OBJECT_COMMON
 344
 345     int i_bitrate;
 346     struct
 347     {
 348         int      i_stream_number;
 349         uint32_t i_avg_bitrate;
 350     } bitrate[128];
 351 } asf_object_stream_bitrate_properties_t;
 352
 353 typedef struct
 354 {
 355     ASF_OBJECT_COMMON
 356
 357     int64_t i_start_time;
 358     int64_t i_end_time;
 359     int32_t i_data_bitrate;
 360     int32_t i_buffer_size;
 361     int32_t i_initial_buffer_fullness;
 362     int32_t i_alternate_data_bitrate;
 363     int32_t i_alternate_buffer_size;
 364     int32_t i_alternate_initial_buffer_fullness;
 365     int32_t i_maximum_object_size;
 366
 367     int32_t i_flags;
 368     int16_t i_stream_number;
 369     int16_t i_language_index;
 370     int64_t i_average_time_per_frame;
 371
 372     int     i_stream_name_count;
 373     int     i_payload_extension_system_count;
 374
 375     int     *pi_stream_name_language;
 376     char    **ppsz_stream_name;
 377
 378     asf_object_stream_properties_t *p_sp;
 379 } asf_object_extended_stream_properties_t;
 380
 381 typedef struct
 382 {
 383     ASF_OBJECT_COMMON
 384
 385     guid_t  type;
 386     int16_t i_stream_number_count;
 387     int16_t *pi_stream_number;
 388
 389 } asf_object_advanced_mutual_exclusion_t;
 390
 391 typedef struct
 392 {
 393     ASF_OBJECT_COMMON
 394
 395     int i_priority_count;
 396     int *pi_priority_flag;
 397     int *pi_priority_stream_number;
 398 } asf_object_stream_prioritization_t;
 399
 400 typedef struct
 401 {
 402     ASF_OBJECT_COMMON
 403
 404     int i_count;
 405     char **ppsz_name;
 406     char **ppsz_value;
 407 } asf_object_extended_content_description_t;
 408
 409 /****************************************************************************
 410  * Special Root Object
 411  ****************************************************************************/
 412 typedef struct
 413 {
 414     ASF_OBJECT_COMMON
 415
 416     asf_object_header_t *p_hdr;
 417     asf_object_data_t   *p_data;
 418     /* could be NULL if !b_seekable or not-present */
 419     asf_object_index_t  *p_index;
 420
 421     /* from asf_object_header_t */
 422     asf_object_file_properties_t *p_fp;
 423
 424     /* from asf_object_header_extension_t */
 425     asf_object_metadata_t *p_metadata;
 426
 427 } asf_object_root_t;
 428
 429 /****************************************************************************
 430  * asf_object_t: union of all objects.
 431  ****************************************************************************/
 432 typedef union asf_object_u
 433 {
 434     asf_object_common_t common;
 435     asf_object_header_t header;
 436     asf_object_data_t   data;
 437     asf_object_index_t  index;
 438     asf_object_root_t   root;
 439     asf_object_file_properties_t    file_properties;
 440     asf_object_stream_properties_t  stream_properties;
 441     asf_object_header_extension_t   header_extension;
 442     asf_object_metadata_t           metadata;
 443     asf_object_codec_list_t         codec_list;
 444     asf_object_marker_t             marker;
 445     asf_object_language_list_t      lang;
 446     asf_object_stream_bitrate_properties_t stream_bitrate;
 447     asf_object_extended_stream_properties_t ext_stream;
 448
 449 } asf_object_t;
 450
 451
 452 void ASF_GetGUID( guid_t *p_guid, const uint8_t *p_data );
 453 int  ASF_CmpGUID( const guid_t *p_guid1, const guid_t *p_guid2 );
 454
 455 asf_object_root_t *ASF_ReadObjectRoot( stream_t *, int b_seekable );
 456 void               ASF_FreeObjectRoot( stream_t *, asf_object_root_t *p_root );
 457
 458 #define ASF_CountObject( a, b ) __ASF_CountObject( (asf_object_t*)(a), b )
 459 int  __ASF_CountObject ( asf_object_t *p_obj, const guid_t *p_guid );
 460
 461 #define ASF_FindObject( a, b, c )  __ASF_FindObject( (asf_object_t*)(a), b, c )
 462 void *__ASF_FindObject( asf_object_t *p_obj, const guid_t *p_guid, int i_number );