vf_lavc.s

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」· S 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"