#------------------------------------------------------------------------------
# $File: sf3,v 1.1 2025/06/27 15:13:53 christos Exp $
# sfr: SF3 [Simple File Format Family] files
# (Yukari Hafner, shinmera@tymoon.eu)
# 
# Reference: https://shirakumo.org/docs/sf3
# Samples: https://shirakumo.org/projects/sf3/tree/master/samples/

0	name		SF3-archive
>0	ulequad		x		\b, %llu files
!:mime	application/x.sf3-archive

0	name		SF3-audio
>0	ulelong		>1		\b, %dHz
>4	ubyte		>0		\b, %d channels
>5	byte		0x01	\b, A-law
>5	byte		0x02	\b, 16-bit signed PCM
>5	byte		0x04	\b, 32-bit signed PCM
>5	byte		0x08	\b, 64-bit signed PCM
>5	byte		0x11	\b, u-law
>5	byte		0x12	\b, 16-bit unsigned PCM
>5	byte		0x14	\b, 32-bit unsigned PCM
>5	byte		0x18	\b, 64-bit unsigned PCM
>5	byte		0x22	\b, half-float PCM
>5	byte		0x24	\b, single-float PCM
>5	byte		0x28	\b, double-float PCM
!:mime	audio/x.sf3

0	name		SF3-image
>0	ulelong		>0		\b, %d
>4	ulelong		>0		\bx%d
>8	ulelong		>0		\bx%d
>12	byte		0x01	\b, grayscale
>12	byte		0x02	\b, grayscale-alpha
>12	byte		0x03	\b, RGB
>12	byte		0x04	\b, RGBA
>12	byte		0x12	\b, grayscale-alpha
>12	byte		0x13	\b, BGR
>12	byte		0x14	\b, ABGR
>12	byte		0x24	\b, ARGB
>12	byte		0x34	\b, BGRA
>12	byte		0x44	\b, CMYK
>12	byte		0x54	\b, KYMC
>13	byte		0x01	\b, 8-bit signed
>13	byte		0x02	\b, 16-bit signed
>13	byte		0x04	\b, 32-bit signed
>13	byte		0x08	\b, 64-bit signed
>13	byte		0x11	\b, 8-bit unsigned
>13	byte		0x12	\b, 16-bit unsigned
>13	byte		0x14	\b, 32-bit unsigned
>13	byte		0x18	\b, 64-bit unsigned
>13	byte		0x22	\b, half-float
>13	byte		0x24	\b, single-float
>13	byte		0x28	\b, double-float
!:mime	image/x.sf3

0	name		SF3-log
>0	leqdate		x		\b, from %s
>8	leqdate		x		\b, to %s
>16	uleshort	x		\b, %d chunks
!:mime	application/x.sf3-log

0	name		SF3-model
>(2.l+22)		ulelong	x	\b, %d face indices
>>&(&-20.l*4)	ulelong	x	\b, %d vertex attributes
!:mime	model/x.sf3

0	name		SF3-physics-model
>0	lefloat		x	\b, %f kg
>40	uleshort	x	\b, %d shapes
!:mime	model/x.sf3-physics

0	name		SF3-table
>0	uleshort	x	\b, %d columns
>10	ulequad		x	\b, %llu rows
!:mime	application/x.sf3-table

0	name		SF3-text
>8	ulelong		x	\b, %d markup options
>(0.q+28)	ulequad	x	\b, %llu bytes of text
!:mime	application/x.sf3-text

0	name		SF3-vector-graphic
>0	ulelong		>0	\b, %d
>4	ulelong		>0	\bx%d
>8	ulelong		x	\b, %d instructions
!:mime	image/x.sf3-vector

# Generic SF3 Header
0	string		\x81SF3\x00\xE0\xD0\x0D\x0A\x0A	SF3
>10	byte		0x01	archive
>>16	use			SF3-archive
>10	byte		0x02	audio file
>>16	use			SF3-audio
>10	byte		0x03	image file
>>16	use			SF3-image
>10	byte		0x04	log file
>>16	use			SF3-log
>10	byte		0x05	3D model
>>16	use			SF3-model
>10	byte		0x06	physics model
>>16	use			SF3-physics-model
>10	byte		0x07	table
>>16	use			SF3-table
>10	byte		0x08	text file
>>16	use			SF3-text
>10	byte		0x09	vector graphic
>>16	use			SF3-vector-graphic
>10	byte		>9	file of unknown type (%d)
!:mime	application/x.sf3
!:ext   sf3