vf_lavc.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 578 行

	.file	1 "vf_lavc.c"
	.section .mdebug.abi32
	.previous
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"mpeg1video\000"
	.align	2
$LC1:
	.ascii	"Cannot find codec '%s' in libavcodec...\012\000"
	.align	2
$LC2:
	.ascii	"%d:%f\000"
	.globl	__floatsidf
	.globl	__adddf3
	.globl	__fixdfsi
	.globl	__gesf2
	.globl	__floatsisf
	.globl	__mulsf3
	.globl	__fixsfsi
	.section	.rodata.cst8,"aM",@progbits,8
	.align	3
$LC3:
	.word	0
	.word	1071644672
	.section	.rodata.cst4,"aM",@progbits,4
	.align	2
$LC4:
	.word	1065353216
	.section	.text.open,"ax",@progbits
	.align	2
	.align	5
	.ent	open
	.type	open, @function
open:
	.frame	$sp,48,$31		# vars= 8, regs= 6/0, args= 16, gp= 0
	.mask	0x801f0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lui	$2,%hi(config)
	addiu	$sp,$sp,-48
	addiu	$2,$2,%lo(config)
	sw	$31,44($sp)
	sw	$20,40($sp)
	sw	$18,32($sp)
	sw	$16,24($sp)
	sw	$19,36($sp)
	sw	$17,28($sp)
	lui	$3,%hi(put_image)
	sw	$2,4($4)
	lui	$2,%hi(query_format)
	addiu	$3,$3,%lo(put_image)
	addiu	$2,$2,%lo(query_format)
	sw	$3,20($4)
	sw	$2,12($4)
	move	$18,$4
	move	$2,$0
	li	$4,36			# 0x24
	move	$20,$5
	sw	$0,16($sp)
	jal	uc_malloc
	sw	$2,20($sp)

	sw	$2,100($18)
	move	$4,$2
	move	$5,$0
	li	$6,36			# 0x24
	jal	memset
	lui	$16,%hi(avcodec_inited)

	lw	$3,%lo(avcodec_inited)($16)
	beq	$3,$0,$L17
	lui	$19,%hi($LC0)

	lw	$16,100($18)
	jal	avcodec_find_encoder_by_name
	addiu	$4,$19,%lo($LC0)

	lw	$17,100($18)
	sw	$2,16($16)
	lw	$2,16($17)
	beq	$2,$0,$L20
	lui	$6,%hi($LC1)

$L4:
	jal	avcodec_alloc_context
	nop

	sw	$2,8($17)
	jal	avcodec_alloc_frame
	lw	$16,100($18)

	beq	$20,$0,$L7
	sw	$2,12($16)

	lui	$5,%hi($LC2)
	move	$4,$20
	addiu	$5,$5,%lo($LC2)
	addiu	$6,$sp,16
	jal	sscanf
	addiu	$7,$sp,20

$L7:
	lw	$4,16($sp)
	slt	$2,$4,32
	beq	$2,$0,$L9
	sll	$2,$4,2

	slt	$2,$0,$4
	li	$3,1			# 0x1
	movn	$3,$4,$2
	lw	$17,100($18)
	sll	$2,$3,2
	sll	$4,$3,6
	lw	$16,8($17)
	subu	$4,$4,$2
	subu	$4,$4,$3
	li	$2,2			# 0x2
	sw	$2,12($16)
	jal	__floatsidf
	sll	$4,$4,1

	lui	$4,%hi($LC3)
	lw	$6,%lo($LC3)($4)
	lw	$7,%lo($LC3+4)($4)
	move	$5,$3
	jal	__adddf3
	move	$4,$2

	move	$5,$3
	jal	__fixdfsi
	move	$4,$2

	lw	$3,12($17)
	move	$19,$16
	sw	$2,72($3)
	sw	$2,536($16)
	lui	$3,%hi($LC4)
	lw	$16,20($sp)
	li	$2,983040			# 0xf0000
	ori	$18,$2,0x4628
	lw	$5,%lo($LC4)($3)
	sw	$18,32($19)
	jal	__gesf2
	move	$4,$16

	bltz	$2,$L21
	li	$2,24969216			# 0x17d0000

$L12:
	jal	__floatsisf
	move	$4,$18

	move	$5,$2
	jal	__mulsf3
	move	$4,$16

	jal	__fixsfsi
	move	$4,$2

	move	$3,$2
$L14:
	lw	$2,8($17)
	sw	$3,36($19)
	sw	$0,52($2)
	sw	$0,48($2)
	lw	$31,44($sp)
	lw	$20,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	li	$2,1			# 0x1
	j	$31
	addiu	$sp,$sp,48

$L9:
	lw	$17,100($18)
	sll	$3,$4,7
	subu	$3,$3,$2
	addu	$3,$3,$4
	lw	$2,8($17)
	sll	$3,$3,3
	sw	$3,4($2)
	move	$19,$2
	lw	$16,20($sp)
	li	$2,983040			# 0xf0000
	lui	$3,%hi($LC4)
	ori	$18,$2,0x4628
	lw	$5,%lo($LC4)($3)
	sw	$18,32($19)
	jal	__gesf2
	move	$4,$16

	bgez	$2,$L12
	li	$2,24969216			# 0x17d0000

$L21:
	j	$L14
	ori	$3,$2,0xd9e8

$L17:
	jal	avcodec_init
	nop

	jal	avcodec_register_all
	nop

	li	$2,1			# 0x1
	sw	$2,%lo(avcodec_inited)($16)
	addiu	$4,$19,%lo($LC0)
	jal	avcodec_find_encoder_by_name
	lw	$16,100($18)

	lw	$17,100($18)
	sw	$2,16($16)
	lw	$2,16($17)
	bne	$2,$0,$L4
	lui	$6,%hi($LC1)

$L20:
	addiu	$7,$19,%lo($LC0)
	addiu	$6,$6,%lo($LC1)
	li	$4,22			# 0x16
	jal	mp_msg
	li	$5,1			# 0x1

	lw	$31,44($sp)
	lw	$20,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,48

	.set	macro
	.set	reorder
	.end	open
	.section	.text.query_format,"ax",@progbits
	.align	2
	.align	5
	.ent	query_format
	.type	query_format, @function
query_format:
	.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
	.mask	0x80000000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	li	$2,842072064			# 0x32310000
	addiu	$sp,$sp,-24
	move	$3,$5
	ori	$2,$2,0x5659
	li	$5,1297088512			# 0x4d500000
	sw	$31,16($sp)
	beq	$3,$2,$L24
	ori	$5,$5,0x4553

	li	$2,1448411136			# 0x56550000
	ori	$2,$2,0x5949
	beq	$3,$2,$L24
	li	$2,808583168			# 0x30320000

	ori	$2,$2,0x3449
	beq	$3,$2,$L24
	move	$6,$0

	lw	$31,16($sp)
	move	$2,$6
	j	$31
	addiu	$sp,$sp,24

$L24:
	jal	vf_next_query_format
	nop

	li	$3,-1027			# 0xfffffffffffffbfd
	and	$6,$2,$3
	lw	$31,16($sp)
	move	$2,$6
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	query_format
	.section	.rodata.cst8
	.align	3
$LC6:
	.word	0
	.word	-1008730112
	.section	.text.put_image,"ax",@progbits
	.align	2
	.align	5
	.ent	put_image
	.type	put_image, @function
put_image:
	.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
	sw	$18,32($sp)
	sw	$17,28($sp)
	sw	$16,24($sp)
	sw	$31,36($sp)
	lw	$8,100($4)
	lw	$2,32($5)
	lw	$7,12($8)
	lw	$3,48($5)
	sw	$2,0($7)
	sw	$3,16($7)
	lw	$2,36($5)
	lw	$3,52($5)
	sw	$2,4($7)
	sw	$3,20($7)
	lw	$2,40($5)
	lw	$3,56($5)
	sw	$2,8($7)
	sw	$3,24($7)
	lw	$6,4($8)
	move	$17,$4
	move	$16,$5
	lw	$4,8($8)
	jal	avcodec_encode_video
	lw	$5,0($8)

	li	$5,1297088512			# 0x4d500000
	move	$18,$2
	ori	$5,$5,0x4553
	move	$6,$0
	blez	$2,$L32
	move	$7,$0

	lw	$4,92($17)
	lw	$3,28($16)
	lw	$2,24($16)
	sw	$3,20($sp)
	jal	vf_get_image
	sw	$2,16($sp)

	lw	$5,100($17)
	lui	$3,%hi($LC6)
	lw	$4,0($5)
	addiu	$8,$5,20
	sw	$4,20($5)
	lw	$6,%lo($LC6)($3)
	li	$4,-1			# 0xffffffffffffffff
	lw	$7,%lo($LC6+4)($3)
	li	$3,480			# 0x1e0
	sw	$4,32($5)
	sw	$18,24($5)
	sw	$3,28($5)
	sw	$8,32($2)
	move	$4,$17
	lw	$31,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$5,$2
	j	vf_next_put_image
	addiu	$sp,$sp,40

$L32:
	lw	$31,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	li	$2,1			# 0x1
	j	$31
	addiu	$sp,$sp,40

	.set	macro
	.set	reorder
	.end	put_image
	.section	.rodata.str1.4
	.align	2
$LC7:
	.ascii	"Could not open codec.\012\000"
	.align	2
$LC8:
	.ascii	"avcodec init failed (ctx->codec->encode == NULL)!\012\000"
	.section	.text.config,"ax",@progbits
	.align	2
	.align	5
	.ent	config
	.type	config, @function
config:
	.frame	$sp,48,$31		# vars= 0, regs= 8/0, args= 16, gp= 0
	.mask	0x807f0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-48
	sw	$19,28($sp)
	move	$19,$5
	li	$5,1297088512			# 0x4d500000
	ori	$5,$5,0x4553
	sw	$22,40($sp)
	sw	$21,36($sp)
	sw	$20,32($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$31,44($sp)
	sw	$16,16($sp)
	move	$18,$6
	move	$22,$7
	move	$17,$4
	lw	$20,64($sp)
	jal	vf_next_query_format
	lw	$21,68($sp)

	blez	$2,$L53
	lw	$31,44($sp)

	lw	$16,100($17)
	lw	$4,8($16)
	lw	$2,32($4)
	sw	$19,40($4)
	bne	$2,$0,$L49
	sw	$18,44($4)

	li	$2,240			# 0xf0
	beq	$18,$2,$L54
	li	$2,1001			# 0x3e9

	li	$2,480			# 0x1e0
$L56:
	beq	$18,$2,$L41
	li	$2,1			# 0x1

	li	$3,25			# 0x19
	sw	$2,32($4)
	sw	$3,36($4)
$L39:
	lw	$4,0($16)
	beq	$4,$0,$L55
	mul	$2,$19,$18

	jal	uc_free
	nop

	lw	$16,100($17)
	mul	$2,$19,$18
$L55:
	addiu	$2,$2,10000
	move	$4,$2
	jal	uc_malloc
	sw	$2,4($16)

	lw	$3,100($17)
	sw	$2,0($16)
	lw	$5,16($3)
	jal	avcodec_open
	lw	$4,8($3)

	bne	$2,$0,$L50
	lui	$6,%hi($LC7)

	lw	$2,100($17)
	lw	$3,8($2)
	lw	$4,132($3)
	lw	$2,20($4)
	beq	$2,$0,$L51
	li	$2,1297088512			# 0x4d500000

	ori	$2,$2,0x4553
	sw	$20,64($sp)
	sw	$21,68($sp)
	move	$4,$17
	move	$5,$19
	move	$6,$18
	move	$7,$22
	sw	$2,72($sp)
	lw	$31,44($sp)
	lw	$22,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	vf_next_config
	addiu	$sp,$sp,48

$L49:
	lw	$2,36($4)
	bne	$2,$0,$L39
	li	$2,240			# 0xf0

	bne	$18,$2,$L56
	li	$2,480			# 0x1e0

$L41:
	li	$2,1001			# 0x3e9
$L54:
	li	$3,30000			# 0x7530
	sw	$2,32($4)
	j	$L39
	sw	$3,36($4)

$L50:
	addiu	$6,$6,%lo($LC7)
	li	$4,22			# 0x16
	jal	mp_msg
	li	$5,1			# 0x1

	lw	$31,44($sp)
$L53:
	lw	$22,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,48

$L51:
	lui	$6,%hi($LC8)
	addiu	$6,$6,%lo($LC8)
	li	$4,22			# 0x16
	jal	mp_msg
	li	$5,1			# 0x1

	lw	$31,44($sp)
	lw	$22,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,48

	.set	macro
	.set	reorder
	.end	config
	.globl	vf_info_lavc
	.section	.rodata.str1.4
	.align	2
$LC9:
	.ascii	"realtime mpeg1 encoding with libavcodec\000"
	.align	2
$LC10:
	.ascii	"lavc\000"
	.align	2
$LC11:
	.ascii	"A'rpi\000"
	.subsection	-1
	.align	2
$LC12:
	.ascii	"\000"
	.data
	.align	2
	.type	vf_info_lavc, @object
	.size	vf_info_lavc, 24
vf_info_lavc:
	.word	$LC9
	.word	$LC10
	.word	$LC11
	.word	$LC12
	.word	open
	.word	0
	.ident	"GCC: (GNU) 4.1.2"