yuv4mpeg_ratio.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 316 行

.file	1 "yuv4mpeg_ratio.c"
.section .mdebug.abi32
.previous
.section	.text.y4m_ratio_reduce,"ax",@progbits
.align	2
.align	5
.globl	y4m_ratio_reduce
.ent	y4m_ratio_reduce
.type	y4m_ratio_reduce, @function
y4m_ratio_reduce:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lw	$7,0($4)
bne	$7,$0,$L12
nop

lw	$2,4($4)
beq	$2,$0,$L18
move	$6,$0

$L5:
bltz	$2,$L15
move	$3,$2

$L6:
bgtz	$3,$L13
nop

j	$L9
move	$3,$6

$L16:
move	$3,$5
$L13:
div	$0,$6,$3
teq	$3,$0,7
mfhi	$5
bgtz	$5,$L16
move	$6,$3

$L9:
div	$0,$2,$3
teq	$3,$0,7
mflo	$2
div	$0,$7,$3
teq	$3,$0,7
sw	$2,4($4)
mflo	$3
sw	$3,0($4)
$L18:
j	$31
nop

$L12:
lw	$2,4($4)
bgez	$7,$L5
move	$6,$7

subu	$6,$0,$7
bgez	$2,$L6
move	$3,$2

$L15:
j	$L6
subu	$3,$0,$2

.set	macro
.set	reorder
.end	y4m_ratio_reduce
.section	.text.y4m_parse_ratio,"ax",@progbits
.align	2
.align	5
.globl	y4m_parse_ratio
.ent	y4m_parse_ratio
.type	y4m_parse_ratio, @function
y4m_parse_ratio:
.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	$17,20($sp)
move	$17,$5
sw	$18,24($sp)
sw	$16,16($sp)
sw	$31,28($sp)
move	$18,$4
li	$5,58			# 0x3a
jal	strchr
move	$4,$17

beq	$2,$0,$L20
move	$16,$2

move	$4,$17
move	$5,$0
li	$6,10			# 0xa
jal	__strtol_internal
move	$7,$0

sw	$2,0($18)
addiu	$4,$16,1
move	$5,$0
li	$6,10			# 0xa
jal	__strtol_internal
move	$7,$0

move	$4,$2
bltz	$2,$L20
sw	$2,4($18)

beq	$2,$0,$L33
lw	$31,28($sp)

lw	$5,0($18)
subu	$3,$0,$5
slt	$2,$5,0
move	$6,$5
blez	$4,$L27
movn	$5,$3,$2

j	$L29
move	$2,$4

$L34:
move	$2,$3
$L29:
div	$0,$5,$2
teq	$2,$0,7
mfhi	$3
bgtz	$3,$L34
move	$5,$2

move	$5,$2
$L27:
div	$0,$6,$5
teq	$5,$0,7
lw	$2,4($18)
move	$4,$0
mflo	$3
div	$0,$2,$5
teq	$5,$0,7
sw	$3,0($18)
mflo	$2
sw	$2,4($18)
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$4
j	$31
addiu	$sp,$sp,32

$L33:
lw	$2,0($18)
sltu	$4,$0,$2
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$4
j	$31
addiu	$sp,$sp,32

$L20:
li	$4,1			# 0x1
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$4
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	y4m_parse_ratio
.globl	y4m_fps_UNKNOWN
.rdata
.align	2
.type	y4m_fps_UNKNOWN, @object
.size	y4m_fps_UNKNOWN, 8
y4m_fps_UNKNOWN:
.space	8
.globl	y4m_fps_NTSC_FILM
.align	2
.type	y4m_fps_NTSC_FILM, @object
.size	y4m_fps_NTSC_FILM, 8
y4m_fps_NTSC_FILM:
.word	24000
.word	1001
.globl	y4m_fps_FILM
.align	2
.type	y4m_fps_FILM, @object
.size	y4m_fps_FILM, 8
y4m_fps_FILM:
.word	24
.word	1
.globl	y4m_fps_PAL
.align	2
.type	y4m_fps_PAL, @object
.size	y4m_fps_PAL, 8
y4m_fps_PAL:
.word	25
.word	1
.globl	y4m_fps_NTSC
.align	2
.type	y4m_fps_NTSC, @object
.size	y4m_fps_NTSC, 8
y4m_fps_NTSC:
.word	30000
.word	1001
.globl	y4m_fps_30
.align	2
.type	y4m_fps_30, @object
.size	y4m_fps_30, 8
y4m_fps_30:
.word	30
.word	1
.globl	y4m_fps_PAL_FIELD
.align	2
.type	y4m_fps_PAL_FIELD, @object
.size	y4m_fps_PAL_FIELD, 8
y4m_fps_PAL_FIELD:
.word	50
.word	1
.globl	y4m_fps_NTSC_FIELD
.align	2
.type	y4m_fps_NTSC_FIELD, @object
.size	y4m_fps_NTSC_FIELD, 8
y4m_fps_NTSC_FIELD:
.word	60000
.word	1001
.globl	y4m_fps_60
.align	2
.type	y4m_fps_60, @object
.size	y4m_fps_60, 8
y4m_fps_60:
.word	60
.word	1
.globl	y4m_sar_UNKNOWN
.align	2
.type	y4m_sar_UNKNOWN, @object
.size	y4m_sar_UNKNOWN, 8
y4m_sar_UNKNOWN:
.space	8
.globl	y4m_sar_SQUARE
.align	2
.type	y4m_sar_SQUARE, @object
.size	y4m_sar_SQUARE, 8
y4m_sar_SQUARE:
.word	1
.word	1
.globl	y4m_sar_NTSC_CCIR601
.align	2
.type	y4m_sar_NTSC_CCIR601, @object
.size	y4m_sar_NTSC_CCIR601, 8
y4m_sar_NTSC_CCIR601:
.word	10
.word	11
.globl	y4m_sar_NTSC_16_9
.align	2
.type	y4m_sar_NTSC_16_9, @object
.size	y4m_sar_NTSC_16_9, 8
y4m_sar_NTSC_16_9:
.word	40
.word	33
.globl	y4m_sar_NTSC_SVCD_4_3
.align	2
.type	y4m_sar_NTSC_SVCD_4_3, @object
.size	y4m_sar_NTSC_SVCD_4_3, 8
y4m_sar_NTSC_SVCD_4_3:
.word	15
.word	11
.globl	y4m_sar_NTSC_SVCD_16_9
.align	2
.type	y4m_sar_NTSC_SVCD_16_9, @object
.size	y4m_sar_NTSC_SVCD_16_9, 8
y4m_sar_NTSC_SVCD_16_9:
.word	20
.word	11
.globl	y4m_sar_PAL_CCIR601
.align	2
.type	y4m_sar_PAL_CCIR601, @object
.size	y4m_sar_PAL_CCIR601, 8
y4m_sar_PAL_CCIR601:
.word	59
.word	54
.globl	y4m_sar_PAL_16_9
.align	2
.type	y4m_sar_PAL_16_9, @object
.size	y4m_sar_PAL_16_9, 8
y4m_sar_PAL_16_9:
.word	118
.word	81
.globl	y4m_sar_PAL_SVCD_4_3
.align	2
.type	y4m_sar_PAL_SVCD_4_3, @object
.size	y4m_sar_PAL_SVCD_4_3, 8
y4m_sar_PAL_SVCD_4_3:
.word	59
.word	36
.globl	y4m_sar_PAL_SVCD_16_9
.align	2
.type	y4m_sar_PAL_SVCD_16_9, @object
.size	y4m_sar_PAL_SVCD_16_9, 8
y4m_sar_PAL_SVCD_16_9:
.word	59
.word	27
.ident	"GCC: (GNU) 4.1.2"