tta.mid

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· MID 代码 · 共 531 行

	.file	1 "tta.c"
	.section .mdebug.abi32
	.previous
	.section	.text.tta_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	tta_probe
	.type	tta_probe, @function
tta_probe:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$4,4($4)
	li	$2,84			# 0x54
	lbu	$3,0($4)
	beq	$3,$2,$L10
	move	$5,$0

$L7:
	j	$31
	move	$2,$5

$L10:
	lbu	$2,1($4)
	bne	$2,$3,$L7
	nop

	lbu	$3,2($4)
	li	$2,65			# 0x41
	bne	$3,$2,$L7
	nop

	lbu	$3,3($4)
	li	$2,49			# 0x31
	bne	$3,$2,$L7
	nop

	j	$L7
	li	$5,80			# 0x50

	.set	macro
	.set	reorder
	.end	tta_probe
	.section	.text.tta_read_seek,"ax",@progbits
	.align	2
	.align	5
	.ent	tta_read_seek
	.type	tta_read_seek, @function
tta_read_seek:
	.frame	$sp,40,$31		# vars= 0, regs= 4/0, args= 24, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-40
	sll	$5,$5,2
	sw	$16,24($sp)
	addu	$5,$5,$4
	sw	$31,36($sp)
	sw	$18,32($sp)
	sw	$17,28($sp)
	lw	$17,100($5)
	lw	$2,56($sp)
	move	$16,$4
	sw	$2,16($sp)
	move	$4,$17
	jal	av_index_search_timestamp
	lw	$18,12($16)

	sll	$3,$2,5
	move	$5,$2
	sll	$2,$2,3
	subu	$3,$3,$2
	addiu	$4,$16,16
	bltz	$5,$L14
	li	$2,-1			# 0xffffffffffffffff

	lw	$2,144($17)
	sw	$5,4($18)
	addu	$2,$3,$2
	lw	$6,0($2)
	lw	$7,4($2)
	jal	url_fseek
	sw	$0,16($sp)

	move	$2,$0
$L14:
	lw	$31,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	j	$31
	addiu	$sp,$sp,40

	.set	macro
	.set	reorder
	.end	tta_read_seek
	.section	.text.tta_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	tta_read_packet
	.type	tta_read_packet, @function
tta_read_packet:
	.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$18,24($sp)
	sw	$31,28($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$7,$4
	lw	$16,12($7)
	addiu	$4,$4,16
	lw	$3,4($16)
	lw	$8,0($16)
	sll	$6,$3,5
	sll	$2,$3,3
	slt	$3,$8,$3
	li	$9,-1			# 0xffffffffffffffff
	subu	$6,$6,$2
	lw	$17,100($7)
	bne	$3,$0,$L19
	move	$18,$5

	lw	$2,144($17)
	addu	$2,$6,$2
	lw	$6,16($2)
	jal	av_get_packet
	sra	$6,$6,2

	lw	$3,4($16)
	move	$9,$2
	sll	$4,$3,3
	sll	$2,$3,5
	lw	$6,144($17)
	subu	$2,$2,$4
	addu	$2,$2,$6
	lw	$4,8($2)
	lw	$5,12($2)
	addiu	$3,$3,1
	sw	$4,8($18)
	sw	$5,12($18)
	sw	$3,4($16)
$L19:
	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$9
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	tta_read_packet
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"TTA1\000"
	.align	2
$LC1:
	.ascii	"strlen(s)==4\000"
	.align	2
$LC2:
	.ascii	"../libavutil/common.h\000"
	.align	2
$LC3:
	.ascii	"nonsense samplerate\012\000"
	.align	2
$LC4:
	.ascii	"nonsense datalen\012\000"
	.align	2
$LC5:
	.ascii	"totalframes too large\012\000"
	.align	2
$LC6:
	.ascii	"extradata_size too large\012\000"
	.section	.text.tta_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	tta_read_header
	.type	tta_read_header, @function
tta_read_header:
	.frame	$sp,96,$31		# vars= 16, regs= 10/0, args= 40, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-96
	sw	$4,96($sp)
	lw	$2,96($sp)
	sw	$31,92($sp)
	sw	$21,76($sp)
	sw	$18,64($sp)
	sw	$16,56($sp)
	sw	$fp,88($sp)
	sw	$23,84($sp)
	sw	$22,80($sp)
	sw	$20,72($sp)
	sw	$19,68($sp)
	sw	$17,60($sp)
	lw	$2,12($2)
	addiu	$21,$4,16
	move	$4,$21
	lui	$16,%hi($LC0)
	jal	get_le32
	sw	$2,52($sp)

	addiu	$4,$16,%lo($LC0)
	jal	strlen
	move	$18,$2

	li	$3,4			# 0x4
	bne	$2,$3,$L44
	lb	$4,%lo($LC0)($16)

	addiu	$2,$16,%lo($LC0)
	lb	$6,3($2)
	lb	$5,1($2)
	lb	$3,2($2)
	sll	$5,$5,8
	sll	$3,$3,16
	sll	$6,$6,24
	addu	$4,$4,$5
	addu	$3,$3,$6
	addu	$4,$4,$3
	beq	$18,$4,$L45
	li	$2,-1			# 0xffffffffffffffff

$L26:
	lw	$31,92($sp)
	lw	$fp,88($sp)
	lw	$23,84($sp)
	lw	$22,80($sp)
	lw	$21,76($sp)
	lw	$20,72($sp)
	lw	$19,68($sp)
	lw	$18,64($sp)
	lw	$17,60($sp)
	lw	$16,56($sp)
	j	$31
	addiu	$sp,$sp,96

$L45:
	li	$6,2			# 0x2
	move	$7,$0
	jal	url_fskip
	move	$4,$21

	jal	get_le16
	move	$4,$21

	move	$4,$21
	jal	get_le16
	sw	$2,48($sp)

	move	$4,$21
	jal	get_le32
	sw	$2,44($sp)

	addiu	$3,$2,-1
	sw	$2,40($sp)
	li	$2,983040			# 0xf0000
	ori	$2,$2,0x4240
	sltu	$3,$3,$2
	beq	$3,$0,$L46
	lw	$4,96($sp)

	jal	get_le32
	move	$4,$21

	bltz	$2,$L47
	move	$16,$2

	move	$4,$21
	li	$6,4			# 0x4
	jal	url_fskip
	move	$7,$0

	lw	$3,40($sp)
	li	$2,1121910784			# 0x42df0000
	sll	$4,$3,8
	ori	$2,$2,0x9bb1
	mult	$4,$2
	sra	$4,$4,31
	mfhi	$2
	sra	$2,$2,6
	subu	$fp,$2,$4
	div	$0,$16,$fp
	teq	$fp,$0,7
	lw	$2,52($sp)
	sw	$0,4($2)
	li	$2,1073676288			# 0x3fff0000
	ori	$2,$2,0xffff
	mfhi	$3
	mflo	$5
	sltu	$3,$0,$3
	addu	$5,$5,$3
	lw	$3,52($sp)
	sltu	$2,$5,$2
	beq	$2,$0,$L48
	sw	$5,0($3)

	lw	$4,96($sp)
	jal	av_new_stream
	move	$5,$0

	beq	$2,$0,$L49
	move	$23,$2

	lw	$7,40($sp)
	move	$4,$2
	li	$5,64			# 0x40
	jal	av_set_pts_info
	li	$6,1			# 0x1

	sra	$2,$16,31
	sw	$2,100($23)
	move	$3,$0
	move	$2,$0
	sw	$2,88($23)
	sw	$3,92($23)
	sw	$16,96($23)
	jal	url_ftell
	move	$4,$21

	move	$9,$3
	lw	$3,52($sp)
	move	$8,$2
	lw	$2,0($3)
	blez	$2,$L35
	sll	$2,$2,2

	addiu	$4,$2,4
	sra	$3,$2,31
	sltu	$6,$4,$2
	addu	$5,$6,$3
	addu	$2,$8,$4
	sltu	$6,$2,$8
	addu	$3,$9,$5
	addu	$3,$6,$3
	move	$18,$2
	move	$19,$3
	move	$22,$0
	move	$20,$0
$L37:
	jal	get_le32
	move	$4,$21

	move	$16,$2
	sra	$2,$20,31
	move	$6,$18
	move	$7,$19
	move	$4,$23
	sw	$2,20($sp)
	li	$2,1			# 0x1
	sw	$20,16($sp)
	sw	$16,24($sp)
	sw	$0,28($sp)
	jal	av_add_index_entry
	sw	$2,32($sp)

	lw	$4,52($sp)
	addu	$2,$18,$16
	lw	$5,0($4)
	move	$17,$0
	sltu	$4,$2,$18
	addu	$3,$19,$17
	addiu	$22,$22,1
	addu	$3,$4,$3
	slt	$5,$22,$5
	move	$18,$2
	move	$19,$3
	bne	$5,$0,$L37
	addu	$20,$20,$fp

$L35:
	move	$4,$21
	li	$6,4			# 0x4
	jal	url_fskip
	move	$7,$0

	lw	$16,8($23)
	li	$2,65536			# 0x10000
	li	$3,1			# 0x1
	ori	$2,$2,0x5019
	lw	$4,44($sp)
	sw	$3,224($16)
	sw	$2,228($16)
	lw	$3,40($sp)
	lw	$2,48($sp)
	sw	$4,392($16)
	sw	$2,68($16)
	move	$4,$21
	jal	url_ftell
	sw	$3,64($16)

	lw	$18,8($23)
	sw	$2,28($16)
	lw	$2,28($18)
	addiu	$4,$2,8
	sltu	$2,$2,$4
	beq	$2,$0,$L50
	lui	$6,%hi($LC6)

	jal	av_mallocz
	nop

	sw	$2,24($18)
	move	$6,$0
	move	$7,$0
	move	$4,$21
	jal	url_fseek
	sw	$0,16($sp)

	lw	$7,8($23)
	move	$4,$21
	lw	$6,28($7)
	jal	get_buffer
	lw	$5,24($7)

	j	$L26
	move	$2,$0

$L48:
	lw	$4,96($sp)
	lui	$6,%hi($LC5)
	addiu	$6,$6,%lo($LC5)
	jal	av_log
	move	$5,$0

	lw	$31,92($sp)
	lw	$fp,88($sp)
	lw	$23,84($sp)
	lw	$22,80($sp)
	lw	$21,76($sp)
	lw	$20,72($sp)
	lw	$19,68($sp)
	lw	$18,64($sp)
	lw	$17,60($sp)
	lw	$16,56($sp)
	li	$2,-1			# 0xffffffffffffffff
	j	$31
	addiu	$sp,$sp,96

$L49:
	j	$L26
	li	$2,-12			# 0xfffffffffffffff4

$L46:
	lui	$6,%hi($LC3)
	addiu	$6,$6,%lo($LC3)
	jal	av_log
	move	$5,$0

	j	$L26
	li	$2,-1			# 0xffffffffffffffff

$L44:
	lui	$4,%hi($LC1)
	lui	$5,%hi($LC2)
	lui	$7,%hi(__PRETTY_FUNCTION__.3735)
	addiu	$4,$4,%lo($LC1)
	addiu	$5,$5,%lo($LC2)
	addiu	$7,$7,%lo(__PRETTY_FUNCTION__.3735)
	jal	__assert_fail
	li	$6,211			# 0xd3

$L50:
	lw	$4,96($sp)
	addiu	$6,$6,%lo($LC6)
	jal	av_log
	move	$5,$0

	j	$L26
	li	$2,-1			# 0xffffffffffffffff

$L47:
	lw	$4,96($sp)
	lui	$6,%hi($LC4)
	addiu	$6,$6,%lo($LC4)
	jal	av_log
	move	$5,$0

	j	$L26
	li	$2,-1			# 0xffffffffffffffff

	.set	macro
	.set	reorder
	.end	tta_read_header
	.globl	tta_demuxer
	.section	.rodata.str1.4
	.align	2
$LC7:
	.ascii	"tta\000"
	.align	2
$LC8:
	.ascii	"true-audio\000"
	.data
	.align	2
	.type	tta_demuxer, @object
	.size	tta_demuxer, 64
tta_demuxer:
	.word	$LC7
	.word	$LC8
	.word	8
	.word	tta_probe
	.word	tta_read_header
	.word	tta_read_packet
	.word	0
	.word	tta_read_seek
	.space	8
	.word	$LC7
	.space	20
	.rdata
	.align	2
	.type	__PRETTY_FUNCTION__.3735, @object
	.size	__PRETTY_FUNCTION__.3735, 14
__PRETTY_FUNCTION__.3735:
	.ascii	"ff_get_fourcc\000"
	.ident	"GCC: (GNU) 4.1.2"