stream.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 501 行

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

lw	$2,8($4)
addu	$2,$2,$5
j	$31
sw	$2,8($4)

.set	macro
.set	reorder
.end	mad_stream_skip
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"incompatible block_type for JS\000"
.align	2
$LC1:
.ascii	"no error\000"
.align	2
$LC2:
.ascii	"input buffer too small (or EOF)\000"
.align	2
$LC3:
.ascii	"invalid (null) buffer pointer\000"
.align	2
$LC4:
.ascii	"not enough memory\000"
.align	2
$LC5:
.ascii	"lost synchronization\000"
.align	2
$LC6:
.ascii	"reserved header layer value\000"
.align	2
$LC7:
.ascii	"forbidden bitrate value\000"
.align	2
$LC8:
.ascii	"reserved sample frequency value\000"
.align	2
$LC9:
.ascii	"reserved emphasis value\000"
.align	2
$LC10:
.ascii	"CRC check failed\000"
.align	2
$LC11:
.ascii	"forbidden bit allocation value\000"
.align	2
$LC12:
.ascii	"bad scalefactor index\000"
.align	2
$LC13:
.ascii	"bad bitrate/mode combination\000"
.align	2
$LC14:
.ascii	"bad frame length\000"
.align	2
$LC15:
.ascii	"bad big_values count\000"
.align	2
$LC16:
.ascii	"reserved block_type\000"
.align	2
$LC17:
.ascii	"bad scalefactor selection info\000"
.align	2
$LC18:
.ascii	"bad main_data_begin pointer\000"
.align	2
$LC19:
.ascii	"bad audio data length\000"
.align	2
$LC20:
.ascii	"bad Huffman table select\000"
.align	2
$LC21:
.ascii	"Huffman data overrun\000"
.section	.text.mad_stream_errorstr,"ax",@progbits
.align	2
.align	5
.globl	mad_stream_errorstr
.ent	mad_stream_errorstr
.type	mad_stream_errorstr, @function
mad_stream_errorstr:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lw	$3,60($4)
li	$2,529			# 0x211
beq	$3,$2,$L15
lui	$2,%hi($LC11)

sltu	$2,$3,530
bne	$2,$0,$L36
li	$2,257			# 0x101

li	$2,564			# 0x234
beq	$3,$2,$L21
lui	$2,%hi($LC17)

sltu	$2,$3,565
bne	$2,$0,$L37
li	$2,561			# 0x231

li	$2,567			# 0x237
beq	$3,$2,$L24
lui	$2,%hi($LC20)

sltu	$2,$3,568
bne	$2,$0,$L38
li	$2,565			# 0x235

li	$2,568			# 0x238
beq	$3,$2,$L25
lui	$2,%hi($LC21)

li	$2,569			# 0x239
bne	$3,$2,$L4
nop

lui	$2,%hi($LC0)
j	$31
addiu	$2,$2,%lo($LC0)

$L36:
beq	$3,$2,$L9
lui	$2,%hi($LC5)

sltu	$2,$3,258
bne	$2,$0,$L39
li	$2,1			# 0x1

li	$2,260			# 0x104
beq	$3,$2,$L12
lui	$2,%hi($LC8)

sltu	$2,$3,261
bne	$2,$0,$L40
li	$2,258			# 0x102

li	$2,261			# 0x105
beq	$3,$2,$L13
lui	$2,%hi($LC9)

li	$2,513			# 0x201
bne	$3,$2,$L4
nop

lui	$2,%hi($LC10)
j	$31
addiu	$2,$2,%lo($LC10)

$L15:
j	$31
addiu	$2,$2,%lo($LC11)

$L37:
beq	$3,$2,$L18
lui	$2,%hi($LC14)

sltu	$2,$3,562
bne	$2,$0,$L41
li	$2,545			# 0x221

li	$2,562			# 0x232
beq	$3,$2,$L19
lui	$2,%hi($LC15)

li	$2,563			# 0x233
bne	$3,$2,$L4
nop

lui	$2,%hi($LC16)
j	$31
addiu	$2,$2,%lo($LC16)

$L39:
beq	$3,$2,$L6
nop

beq	$3,$0,$L5
lui	$2,%hi($LC1)

li	$2,2			# 0x2
beq	$3,$2,$L7
lui	$2,%hi($LC3)

li	$2,49			# 0x31
bne	$3,$2,$L4
nop

lui	$2,%hi($LC4)
j	$31
addiu	$2,$2,%lo($LC4)

$L21:
j	$31
addiu	$2,$2,%lo($LC17)

$L9:
j	$31
addiu	$2,$2,%lo($LC5)

$L40:
beq	$3,$2,$L10
lui	$2,%hi($LC6)

li	$2,259			# 0x103
beq	$3,$2,$L42
nop

$L4:
j	$31
move	$2,$0

$L5:
j	$31
addiu	$2,$2,%lo($LC1)

$L41:
beq	$3,$2,$L16
lui	$2,%hi($LC12)

li	$2,546			# 0x222
bne	$3,$2,$L4
nop

lui	$2,%hi($LC13)
j	$31
addiu	$2,$2,%lo($LC13)

$L38:
beq	$3,$2,$L22
lui	$2,%hi($LC18)

li	$2,566			# 0x236
bne	$3,$2,$L4
nop

lui	$2,%hi($LC19)
j	$31
addiu	$2,$2,%lo($LC19)

$L24:
j	$31
addiu	$2,$2,%lo($LC20)

$L18:
j	$31
addiu	$2,$2,%lo($LC14)

$L12:
j	$31
addiu	$2,$2,%lo($LC8)

$L6:
lui	$2,%hi($LC2)
j	$31
addiu	$2,$2,%lo($LC2)

$L13:
j	$31
addiu	$2,$2,%lo($LC9)

$L7:
j	$31
addiu	$2,$2,%lo($LC3)

$L19:
j	$31
addiu	$2,$2,%lo($LC15)

$L22:
j	$31
addiu	$2,$2,%lo($LC18)

$L25:
j	$31
addiu	$2,$2,%lo($LC21)

$L16:
j	$31
addiu	$2,$2,%lo($LC12)

$L10:
j	$31
addiu	$2,$2,%lo($LC6)

$L42:
lui	$2,%hi($LC7)
j	$31
addiu	$2,$2,%lo($LC7)

.set	macro
.set	reorder
.end	mad_stream_errorstr
.section	.text.mad_stream_sync,"ax",@progbits
.align	2
.align	5
.globl	mad_stream_sync
.ent	mad_stream_sync
.type	mad_stream_sync, @function
mad_stream_sync:
.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
sw	$17,20($sp)
addiu	$17,$4,28
sw	$16,16($sp)
move	$16,$4
sw	$31,24($sp)
jal	mad_bit_nextbyte
move	$4,$17

lw	$8,4($16)
move	$5,$2
addiu	$4,$8,-1
sltu	$2,$2,$4
beq	$2,$0,$L57
subu	$2,$8,$5

li	$6,255			# 0xff
j	$L45
li	$7,224			# 0xe0

$L47:
sltu	$2,$3,$4
$L58:
beq	$2,$0,$L55
move	$5,$3

$L45:
lbu	$2,0($5)
bne	$2,$6,$L47
addiu	$3,$5,1

lbu	$2,1($5)
andi	$2,$2,0xe0
bne	$2,$7,$L58
sltu	$2,$3,$4

subu	$2,$8,$5
$L57:
slt	$2,$2,8
beq	$2,$0,$L51
lw	$31,24($sp)

$L59:
lw	$17,20($sp)
lw	$16,16($sp)
li	$2,-1			# 0xffffffffffffffff
j	$31
addiu	$sp,$sp,32

$L55:
subu	$2,$8,$5
slt	$2,$2,8
bne	$2,$0,$L59
lw	$31,24($sp)

$L51:
jal	mad_bit_init
move	$4,$17

lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,32

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

addu	$6,$5,$6
li	$2,1			# 0x1
sw	$6,4($4)
sw	$5,24($4)
sw	$2,12($4)
sw	$5,0($4)
sw	$5,20($4)
j	mad_bit_init
addiu	$4,$4,28

.set	macro
.set	reorder
.end	mad_stream_buffer
.section	.text.mad_stream_init,"ax",@progbits
.align	2
.align	5
.globl	mad_stream_init
.ent	mad_stream_init
.type	mad_stream_init, @function
mad_stream_init:
.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$31,20($sp)
sw	$16,16($sp)
move	$5,$0
move	$16,$4
sw	$0,0($4)
sw	$0,4($4)
sw	$0,8($4)
sw	$0,12($4)
sw	$0,16($4)
sw	$0,20($4)
sw	$0,24($4)
jal	mad_bit_init
addiu	$4,$4,28

addiu	$4,$16,36
jal	mad_bit_init
move	$5,$0

sw	$0,60($16)
sw	$0,44($16)
sw	$0,52($16)
sw	$0,56($16)
lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	mad_stream_init
.section	.text.mad_stream_finish,"ax",@progbits
.align	2
.align	5
.globl	mad_stream_finish
.ent	mad_stream_finish
.type	mad_stream_finish, @function
mad_stream_finish:
.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$16,16($sp)
sw	$31,20($sp)
lw	$2,48($4)
move	$16,$4
beq	$2,$0,$L67
move	$4,$2

jal	uc_free
nop

sw	$0,48($16)
$L67:
lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	mad_stream_finish
.ident	"GCC: (GNU) 4.1.2"