vd_mpegpes.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 250 行

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

li	$2,-1			# 0xffffffffffffffff
j	$31
sw	$7,12($sp)

.set	macro
.set	reorder
.end	control
.section	.text.uninit,"ax",@progbits
.align	2
.align	5
.ent	uninit
.type	uninit, @function
uninit:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

j	$31
nop

.set	macro
.set	reorder
.end	uninit
.section	.text.init,"ax",@progbits
.align	2
.align	5
.ent	init
.type	init, @function
init:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

li	$7,1297088512			# 0x4d500000
lw	$6,260($4)
lw	$5,256($4)
j	mpcodecs_config_vo
ori	$7,$7,0x4553

.set	macro
.set	reorder
.end	init
.globl	__nesf2
.globl	__extendsfdf2
.globl	__muldf3
.globl	__fixdfsi
.section	.rodata.cst8,"aM",@progbits,8
.align	3
$LC0:
.word	0
.word	1089861888
.section	.text.decode,"ax",@progbits
.align	2
.align	5
.ent	decode
.type	decode, @function
decode:
.frame	$sp,136,$31		# vars= 72, regs= 9/0, args= 24, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-136
slt	$2,$6,11
sw	$20,112($sp)
sw	$19,108($sp)
sw	$18,104($sp)
sw	$31,128($sp)
sw	$23,124($sp)
sw	$22,120($sp)
sw	$21,116($sp)
sw	$17,100($sp)
sw	$16,96($sp)
move	$20,$6
move	$18,$4
bne	$2,$0,$L8
move	$19,$5

lbu	$2,0($5)
beq	$2,$0,$L21
nop

$L8:
lw	$7,256($18)
$L23:
lw	$2,260($18)
move	$5,$0
move	$6,$0
move	$4,$18
jal	mpcodecs_get_image
sw	$2,16($sp)

move	$17,$2
lui	$2,%hi(packet.4157)
addiu	$16,$2,%lo(packet.4157)
lw	$4,20($18)
sw	$20,4($16)
jal	__extendsfdf2
sw	$19,%lo(packet.4157)($2)

lui	$4,%hi($LC0)
lw	$6,%lo($LC0)($4)
lw	$7,%lo($LC0+4)($4)
move	$5,$3
jal	__muldf3
move	$4,$2

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

sw	$2,12($16)
li	$2,480			# 0x1e0
sw	$2,8($16)
sw	$16,32($17)
move	$2,$17
$L25:
lw	$31,128($sp)
lw	$23,124($sp)
lw	$22,120($sp)
lw	$21,116($sp)
lw	$20,112($sp)
lw	$19,108($sp)
lw	$18,104($sp)
lw	$17,100($sp)
lw	$16,96($sp)
j	$31
addiu	$sp,$sp,136

$L21:
lbu	$2,1($5)
bne	$2,$0,$L8
li	$2,1			# 0x1

lbu	$3,2($5)
bne	$3,$2,$L8
li	$2,179			# 0xb3

lbu	$3,3($5)
bne	$3,$2,$L8
addiu	$16,$sp,24

addiu	$5,$5,4
move	$4,$16
lw	$17,244($18)
lw	$22,256($18)
jal	mp_header_process_sequence_header
lw	$23,260($18)

jal	mpeg12_aspect_info
move	$4,$16

lw	$21,28($sp)
lw	$16,32($sp)
sw	$2,244($18)
sw	$21,256($18)
sw	$16,260($18)
move	$4,$17
jal	__nesf2
move	$5,$2

bne	$2,$0,$L24
li	$7,1297088512			# 0x4d500000

beq	$22,$21,$L22
nop

$L14:
li	$7,1297088512			# 0x4d500000
$L24:
lw	$5,256($18)
move	$6,$16
ori	$7,$7,0x4553
jal	mpcodecs_config_vo
move	$4,$18

bne	$2,$0,$L8
move	$17,$0

j	$L25
move	$2,$17

$L22:
bne	$23,$16,$L14
nop

j	$L23
lw	$7,256($18)

.set	macro
.set	reorder
.end	decode
.globl	mpcodecs_vd_mpegpes
.data
.align	2
.type	mpcodecs_vd_mpegpes, @object
.size	mpcodecs_vd_mpegpes, 20
mpcodecs_vd_mpegpes:
.word	info
.word	init
.word	uninit
.word	control
.word	decode
.local	packet.4157
.comm	packet.4157,16,4
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC1:
.ascii	"MPEG 1/2 Video passthrough\000"
.align	2
$LC2:
.ascii	"mpegpes\000"
.align	2
$LC3:
.ascii	"A'rpi\000"
.align	2
$LC4:
.ascii	"for hw decoders\000"
.data
.align	2
.type	info, @object
.size	info, 20
info:
.word	$LC1
.word	$LC2
.word	$LC3
.word	$LC3
.word	$LC4
.ident	"GCC: (GNU) 4.1.2"