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  1. 

  2. #------------------------------------------------------------------------------
    3. 

  3. # $File: asf,v 1.5 2024/09/04 19:06:12 christos Exp $
    4. 

  4. # asf:  file(1) magic for Microsoft Advanced Systems Format (ASF) files
    5. 

  5. # http://www.staroceans.org/e-book/ASF_Specification.pdf
    6. 

  6. 

  7. 0	name	asf-name
    8. 

  8. # ASF_Data_Object
    9. 

  9. #>0	guid	75B22636-668E-11CF-A6D9-00AA0062CE6C
    10. 

  10. #>16	lequad	>0
    11. 

  11. #>>(16.q)	use	asf-object
    12. 

  12. # ASF_Simple_Index_Object
    13. 

  13. #>0	guid	33000890-E5B1-11CF-89F4-00A0C90349CB
    14. 

  14. >0	guid	D6E229D3-35DA-11D1-9034-00A0C90349BE ASF_Index_Object
    15. 

  15. >0	guid	FEB103F8-12AD-4C64-840F-2A1D2F7AD48C ASF_Media_Object_Index_Object
    16. 

  16. >0	guid	3CB73FD0-0C4A-4803-953D-EDF7B6228F0C ASF_Timecode_Index_Object
    17. 

  17. 

  18. # ASF_File_Properties_Object
    19. 

  19. #>0	guid	8CABDCA1-A947-11CF-8EE4-00C00C205365 
    20. 

  20. 

  21. # ASF_Stream_Properties_Object
    22. 

  22. >0	guid	B7DC0791-A9B7-11CF-8EE6-00C00C205365
    23. 

  23. #>>56	lequad	x		Time Offset %lld
    24. 

  24. #>>64	lelong	x		Type-Specific Data Length %d
    25. 

  25. #>>68	lelong	x		Error Correction Data Length %d
    26. 

  26. #>>72	leshort	x		Flags %#x
    27. 

  27. #>>74	lelong	x		Reserved %x
    28. 

  28. # ASF_Audio_Media
    29. 

  29. >>24	guid	F8699E40-5B4D-11CF-A8FD-00805F5C442B \b, Audio Media (
    30. 

  30. >>>78	leshort	x	\bCodec Id %d
    31. 

  31. >>>80	leshort	x	\b, Number of channels %d
    32. 

  32. >>>82	lelong	x	\b, Samples Per Second %d
    33. 

  33. >>>86	lelong	x	\b, Average Number of Bytes Per Second %d
    34. 

  34. >>>90	lelong	x	\b, Block Alignment %d
    35. 

  35. >>>94	leshort	x	\b, Bits Per Sample %d
    36. 

  36. # ASF_Video_Media
    37. 

  37. >>24	guid	BC19EFC0-5B4D-11CF-A8FD-00805F5C442B \b, Video Media (
    38. 

  38. >>>78	lelong	x	\bEncoded Image Width %d
    39. 

  39. >>>82	lelong	x	\b, Encoded Image Height %d
    40. 

  40. #>>>85	leshort	x	\b, Format Data Size %x
    41. 

  41. >>>93	lelong	x	\b, Image Width %d
    42. 

  42. >>>97	lelong	x	\b, Image Height %d
    43. 

  43. #>>>101	leshort	x	\b, Reserved %#x
    44. 

  44. >>>103	leshort	x	\b, Bits Per Pixel Count %d
    45. 

  45. #>>>105	lelong	x 	\b, Compression ID %d
    46. 

  46. #>>>109	lelong	x	\b, Image Size %d
    47. 

  47. #>>>113	lelong	x	\b, Horizontal Pixels Per Meter %d
    48. 

  48. #>>>117	lelong	x	\b, Vertical Pixels Per Meter %d
    49. 

  49. #>>>121	lelong	x	\b, Colors Used Count %d
    50. 

  50. #>>>125	lelong	x	\b, Important Colors Count %d
    51. 

  51. >>0	lelong	x	\b, Error correction type
    52. 

  52. >>40	use	asf-name 
    53. 

  53. >>0	lelong	x	\b)
    54. 

  54. #ASF_Header_Extension_Object
    55. 

  55. #>0	guid	5FBF03B5-A92E-11CF-8EE3-00C00C205365
    56. 

  56. # ASF_Codec_List_Object
    57. 

  57. #>0	guid	86D15240-311D-11D0-A3A4-00A0C90348F6
    58. 

  58. >0	guid	1EFB1A30-0B62-11D0-A39B-00A0C90348F6 ASF_Script_Command_Object
    59. 

  59. >0	guid	F487CD01-A951-11CF-8EE6-00C00C205365 ASF_Marker_Object
    60. 

  60. >0	guid	D6E229DC-35DA-11D1-9034-00A0C90349BE ASF_Bitrate_Mutual_Exclusion_Object
    61. 

  61. >0	guid	75B22635-668E-11CF-A6D9-00AA0062CE6C ASF_Error_Correction_Object
    62. 

  62. # ASF_Content_Description_Object
    63. 

  63. #>0	guid	75B22633-668E-11CF-A6D9-00AA0062CE6C
    64. 

  64. #>>24	leshort	title length %d
    65. 

  65. #>>26	leshort	author length %d
    66. 

  66. #>>28	leshort	copyright length %d
    67. 

  67. #>>30	leshort	descriptor length %d
    68. 

  68. #>>32	leshort	rating length %d
    69. 

  69. >0	guid	D2D0A440-E307-11D2-97F0-00A0C95EA850 ASF_Extended_Content_Description_Object
    70. 

  70. >0	guid	2211B3FA-BD23-11D2-B4B7-00A0C955FC6E ASF_Content_Branding_Object
    71. 

  71. >0	guid	7BF875CE-468D-11D1-8D82-006097C9A2B2 ASF_Stream_Bitrate_Properties_Object
    72. 

  72. >0	guid	2211B3FB-BD23-11D2-B4B7-00A0C955FC6E ASF_Content_Encryption_Object
    73. 

  73. >0	guid	298AE614-2622-4C17-B935-DAE07EE9289C ASF_Extended_Content_Encryption_Object
    74. 

  74. >0	guid	2211B3FC-BD23-11D2-B4B7-00A0C955FC6E ASF_Digital_Signature_Object
    75. 

  75. # ASF_Padding_Object
    76. 

  76. #>0	guid	1806D474-CADF-4509-A4BA-9AABCB96AAE8
    77. 

  77. >0	guid	14E6A5CB-C672-4332-8399-A96952065B5A ASF_Extended_Stream_Properties_Object
    78. 

  78. >0	guid	A08649CF-4775-4670-8A16-6E35357566CD ASF_Advanced_Mutual_Exclusion_Object
    79. 

  79. >0	guid	D1465A40-5A79-4338-B71B-E36B8FD6C249 ASF_Group_Mutual_Exclusion_Object
    80. 

  80. >0	guid	D4FED15B-88D3-454F-81F0-ED5C45999E24 ASF_Stream_Prioritization_Object
    81. 

  81. >0	guid	A69609E6-517B-11D2-B6AF-00C04FD908E9 ASF_Bandwidth_Sharing_Object
    82. 

  82. >0	guid	7C4346A9-EFE0-4BFC-B229-393EDE415C85 ASF_Language_List_Object
    83. 

  83. >0	guid	C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA ASF_Metadata_Object
    84. 

  84. >0	guid	44231C94-9498-49D1-A141-1D134E457054 ASF_Metadata_Library_Object
    85. 

  85. >0	guid	D6E229DF-35DA-11D1-9034-00A0C90349BE ASF_Index_Parameters_Object
    86. 

  86. >0	guid	6B203BAD-3F11-48E4-ACA8-D7613DE2CFA7 ASF_Media_Object_Index_Parameters_Object
    87. 

  87. >0	guid	F55E496D-9797-4B5D-8C8B-604DFE9BFB24 ASF_Timecode_Index_Parameters_Object
    88. 

  88. >0	guid	26F18B5D-4584-47EC-9F5F-0E651F0452C9 ASF_Compatibility_Object
    89. 

  89. >0	guid	43058533-6981-49E6-9B74-AD12CB86D58C ASF_Advanced_Content_Encryption_Object
    90. 

  90. >0	guid	59DACFC0-59E6-11D0-A3AC-00A0C90348F6 ASF_Command_Media
    91. 

  91. >0	guid	B61BE100-5B4E-11CF-A8FD-00805F5C442B ASF_JFIF_Media
    92. 

  92. >0	guid	35907DE0-E415-11CF-A917-00805F5C442B ASF_Degradable_JPEG_Media
    93. 

  93. >0	guid	91BD222C-F21C-497A-8B6D-5AA86BFC0185 ASF_File_Transfer_Media
    94. 

  94. >0	guid	3AFB65E2-47EF-40F2-AC2C-70A90D71D343 ASF_Binary_Media
    95. 

  95. >0	guid	776257D4-C627-41CB-8F81-7AC7FF1C40CC ASF_Web_Stream_Media_Subtype
    96. 

  96. >0	guid	DA1E6B13-8359-4050-B398-388E965BF00C ASF_Web_Stream_Format
    97. 

  97. >0	guid	20FB5700-5B55-11CF-A8FD-00805F5C442B ASF_No_Error_Correction
    98. 

  98. >0	guid	BFC3CD50-618F-11CF-8BB2-00AA00B4E220 ASF_Audio_Spread
    99. 

  99. >0	guid	ABD3D211-A9BA-11cf-8EE6-00C00C205365 ASF_Reserved_1
    100. 

  100. >0	guid	7A079BB6-DAA4-4e12-A5CA-91D38DC11A8D ASF_Content_Encryption_System_Windows_Media_DRM
    101. 

  101. # _Network_Devices
    102. 

  102. >0	guid	86D15241-311D-11D0-A3A4-00A0C90348F6 ASF_Reserved_2
    103. 

  103. >0	guid	4B1ACBE3-100B-11D0-A39B-00A0C90348F6 ASF_Reserved_3
    104. 

  104. >0	guid	4CFEDB20-75F6-11CF-9C0F-00A0C90349CB ASF_Reserved_4
    105. 

  105. >0	guid	D6E22A00-35DA-11D1-9034-00A0C90349BE ASF_Mutex_Language
    106. 

  106. >0	guid	D6E22A01-35DA-11D1-9034-00A0C90349BE ASF_Mutex_Bitrate
    107. 

  107. >0	guid	D6E22A02-35DA-11D1-9034-00A0C90349BE ASF_Mutex_Unknown
    108. 

  108. >0	guid	AF6060AA-5197-11D2-B6AF-00C04FD908E9 ASF_Bandwidth_Sharing_Exclusive
    109. 

  109. >0	guid	AF6060AB-5197-11D2-B6AF-00C04FD908E9 ASF_Bandwidth_Sharing_Partial
    110. 

  110. >0	guid	399595EC-8667-4E2D-8FDB-98814CE76C1E ASF_Payload_Extension_System_Timecode
    111. 

  111. >0	guid	E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B ASF_Payload_Extension_System_File_Name
    112. 

  112. >0	guid	D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC ASF_Payload_Extension_System_Content_Type
    113. 

  113. >0	guid	1B1EE554-F9EA-4BC8-821A-376B74E4C4B8 ASF_Payload_Extension_System_Pixel_Aspect_Ratio
    114. 

  114. >0	guid	C6BD9450-867F-4907-83A3-C77921B733AD ASF_Payload_Extension_System_Sample_Duration
    115. 

  115. >0	guid	6698B84E-0AFA-4330-AEB2-1C0A98D7A44D ASF_Payload_Extension_System_Encryption_Sample_ID
    116. 

  116. >0	guid	00E1AF06-7BEC-11D1-A582-00C04FC29CFB ASF_Payload_Extension_System_Degradable_JPEG
    117. 

  117. 

  118. 0	name	asf-object
    119. 

  119. >0	use	asf-name
    120. 

  120. #>>16	lequad	>0					(size %lld) [
    121. 

  121. >>16	lequad	>0
    122. 

  122. >>>(16.q)	use	asf-object
    123. 

  123. #>>16	lequad	0	]
    124. 

  124. 

  125. # Microsoft Advanced Streaming Format (ASF) <mpruett@sgi.com>
    126. 

  126. 0	guid	75B22630-668E-11CF-A6D9-00AA0062CE6C	Microsoft ASF
    127. 

  127. !:mime  video/x-ms-asf 
    128. 

  128. #>16	lequad	>0					(size %lld
    129. 

  129. #>>24	lelong	x					\b, %d header objects)
    130. 

  130. >16	lequad	>0
    131. 

  131. >>30	use	asf-object
    132. 

  132. >>(16.q)	use	asf-object
    133.