data.s

关于DVD的MPEG2用的DSP代码,在DSP的实现MPEG的压缩,解压算法.

        .data
        .global  pre_delay_coff
        .global  sampledown
        .global  sample_ptr
        .global pre_delay_buff_ptr
        .global lpcf_delay1579_start
        .global lpcf_delay1949_start
        .global lpcf_delay2113_start
        .global lpcf_delay2293_start
        .global lpcf_delay2467_start
        .global lpcf_delay2647_start
        .global apf_delay_start
        .global registers      
        .global hallcommand
        .global hallcommandstore
        .global tempsample
        .global sampledownhis
pre_delay_buff_ptr:
                .align 1
                .fill 881,4,0
                
lpcf_delay1579_start:
            	.align 1
            	.fill 384,4,0  
lpcf_delay1949_start:
            	.align 1
            	.fill 448,4,0  
lpcf_delay2113_start:
            	.align 1
            	.fill 512,4,0  
lpcf_delay2293_start: 
            	.align 1
            	.fill 576,4,0  
lpcf_delay2467_start: 
            	.align 1
            	.fill 640,4,0  
lpcf_delay2647_start: 
            	.align 1 
            	.fill 704,4,0  
apf_delay_start: 
            	.align 1      
            	.fill 64,4,0     
#if 0            
temp_load:
            	.align 1
            	.fill  960,4,0
#endif            
registers:
            	.align 1
            	.fill  15,4,0
hallcommand:
            	.align 1
            	.fill  1,4,0  
hallcommandstore:
	    	.align 1
	    	.fill  1,4,0
tempsample:
	        .align 1
	        .fill  15,4,0
sampledownhis:
            	.align 1
            	.fill  15,4,0
#if 0            	
wslsampbass:
		.align 1
		.fill  512,4,0            	            	    
#endif                                              
pre_delay_coff:            
	        .half           190 
	        .half          	0x6BA6>>2                
	        .half          	759 
	        .half          	0x4083>>2
	        .half          	44  
	        .half          	0x3ED9>>2
	        .half          	190 
	        .half          	0x3083>>2
	        .half          	9        
	        .half          	0x30A4>>2
	        .half          	123      
	        .half          	0x2C4A>>2
	        .half          	706      
	        .half          	0x24FE>>2
	        .half          	119      
	        .half          	0x22D1>>2
	        .half          	384      
	        .half          	0x1893>>2
	        .half          	66       
	        .half          	0x18B4>>2 
	        .half          	35       
	        .half          	0x1BC7>>2 
	        .half          	75       
	        .half          	0x172B>>2 
	        .half          	419     
	        .half          	0X170A>>2
	        .half          	4        
	        .half          	0x172B>>2 
	        .half          	79       
	        .half          	0x1687>>2 
	        .half          	66       
	        .half          	0x122D>>2 
	        .half          	53       
	        .half          	0x1560>>2 
	        .half          	194      
	        .half          	0x1127>>2  
	        .half          	190>>1   
	        .half          	0x6BA6>>2
	        .half          	759>>1   
	        .half          	0x4083>>2
	        .half          	44>>1    
	        .half          	0x3ED9>>2
	        .half          	190>>1   
	        .half          	0x3083>>2
	        .half          	9>>1     
	        .half          	0x30A4>>2
	        .half          	123>>1   
	        .half          	0x2C4A>>2
	        .half          	706>>1   
	        .half          	0x24FE>>2
	        .half          	119>>1   
	        .half          	0x22D1>>2
	        .half          	384>>1   
	        .half          	0x1893>>2
	        .half          	66>>1    
	        .half          	0x18B4>>2
	        .half          	35>>1    
	        .half          	0x1BC7>>2
	        .half          	75>>1    
	        .half          	0x172B>>2
	        .half          	419>>1   
	        .half          	0X170A>>2
	        .half          	4>>1     
	        .half          	0x172B>>2
	        .half          	79>>1    
	        .half          	0x1687>>2
	        .half          	66>>1    
	        .half          	0x122D>>2
	        .half          	53>>1    
	        .half          	0x1560>>2
	        .half          	194>>1   
	        .half          	0x1127>>2
	        .half          	190>>2   
	        .half          	0x6BA6>>2
	        .half          	759>>2   
	        .half          	0x4083>>2
	        .half          	44>>2    
	        .half          	0x3ED9>>2
	        .half          	190>>2   
	        .half          	0x3083>>2
	        .half          	9>>2     
	        .half          	0x30A4>>2
	        .half          	123>>2   
	        .half          	0x2C4A>>2
	        .half          	706>>2   
	        .half          	0x24FE>>2
	        .half          	119>>2   
	        .half          	0x22D1>>2
	        .half          	384>>2   
	        .half          	0x1893>>2
	        .half          	66>>2    
	        .half          	0x18B4>>2
	        .half          	35>>2    
	        .half          	0x1BC7>>2
	        .half          	75>>2    
	        .half          	0x172B>>2
	        .half          	419>>2   
	        .half          	0X170A>>2
	        .half          	4>>2     
	        .half          	0x172B>>2
	        .half          	79>>2    
	        .half          	0x1687>>2
	        .half          	66>>2    
	        .half          	0x122D>>2
	        .half          	53>>2    
	        .half          	0x1560>>2
	        .half          	194>>2   
	        .half          	0x1127>>2
sampledown:
#if 0                     
	        .half              0x00b3 
	        .half              0xfe72 
	        .half              0xff8c
	        .half              0x0241
	        .half              0xffe4
	        .half              0xfcfe
	        .half              0x0120
	        .half              0x03c2
	        .half              0xfd33
	        .half              0xfb91
	        .half              0x05ac
	        .half              0x04fa
	        .half              0xf44e
	        .half              0xfaad
	        .half              0x26bc
	        .half              0x4307
	        .half              0x26bc
	        .half              0xfaad
	        .half              0xf44e
	        .half              0x04fa
	        .half              0x05ac
	        .half              0xfb91
	        .half              0xfd33
	        .half              0x03c2
	        .half              0x0120
	        .half              0xfcfe
	        .half              0xffe4
	        .half              0x0241
	        .half              0xff8c
	        .half              0xfe72
	        .half              0x00b3
	        .half              0x0000  
        
#else        
	        .half 		   0x00c5
	        .half              0xfe4a
	        .half              0xff81
	        .half              0x027a
	        .half              0xffe1
	        .half              0xfcb1
	        .half              0x013c
	        .half              0x0422
	        .half              0xfceb
	        .half              0xfb1f
	        .half              0x063e
	        .half              0x0579
	        .half              0xf322
	        .half              0xfa25
	        .half              0x2a9b
	        .half              0x49bb
	        .half              0x2a9b
	        .half              0xfa25
	        .half              0xf322
	        .half              0x0579
	        .half              0x063e
	        .half              0xfb1f
	        .half              0xfceb
	        .half              0x0422
	        .half              0x013c
	        .half              0xfcb1
	        .half              0xffe1
	        .half              0x027a
	        .half              0xff81
	        .half              0xfe4a
	        .half              0x00c5
	        .half              0x0000
#endif