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revision 3, Fri Mar 8 02:46:11 2002 UTC revision 448, Sat Sep 7 17:26:31 2002 UTC
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1  todo  +----------------------------------------------------------------------------+
2    |                         ToDo List for Stable Tree                          |
3    |                                                                            |
4    +----------------------------------------------------------------------------+
5    $Id: todo.txt,v 1.7 2002-09-07 17:26:31 edgomez Exp $
6    
7    
 *** build environment ***  
 - portable makefile [DONE]  
         more testing needed  
8    
9    This ToDo list is not definitive :
10    
11  *** api ***  ++ Remove alpha code from stable tree
 - decore/encore2 wrappers; [DONE]  
12    
13  - xvid_init() [DONE]  * Find a co maintainer - [IN PROGRESS]
14          handle cpu detection, yuv/dct lookup table init  * Remove all BFrames stuff from encoder - [DONE]
15          return api version number  * Remove all BFrames stuff from decoder - [RFC]
16          return core build number [build number should be incremented automatically, how?]  * Remove all SMP stuff - [DONE]
17    * Remove all field-ME functions [TODO]
18    
19    
20  *** common ***  ++ Fixes
21    
22  - mpeg-4 quantizer (quant4) testing [DONE]  * Add all legal headers (same headers all over the sources) - [DONE]
23  - consder moving a modified mbprediction/mbdeprediction here [DONE]  * Sort out who has main copyrigths on files - [TODO]
24    * Check core reentrancy - [IN PROGRESS] (Problems detected in custom matrices and get_mv code)
25    * Check the small mem problems reported by valgrind [TODO]
26    
27  - add [-2048,2048] to mmx dequant [DONE]  ++ ???
28    
   
 - mmx quant4 [DONE]  
 - sse2: convert intel's idct/sad/comp apnotes to nasm [IN PROGRESS]  
 - mlib  
   
   
 *** image ***  
   
 - sort out in/out & conversion func naming issues [DONE]  
 maybe,  in_yuv, in_yuyv, in_uyuv, in_rgbXX  
                 out_yuv, out_yuyv, out_uyuv, out_rgbXX  
   
 - input flipping support  
 output flipping support is not 'perfect'.  
 using negative height is bad, best to have seperate vflip parameter  
   
 - rgb24/32_mmx cause yellow dots to appear on left hand size [DONE]  
 (only visibile with high contrast colors)  
   
 - rgb16. [DONE]  
 can be done generically using r,g,b masks  
 or just code for the popular 16bit formats 555, 565  
   
 - diff between basic-yuv and iso-yuv  
   
   
 *** decoder ***  
   
 - quant=1 encoder material appears "soft" [FIXED]  
 - block based interpolation [DONE]  
   
 - msmpeg-4 support... dont hold your breath [IN PROGRESS]  
         best to write an entirely new 'decoder' than bolt stuff onto  
         the existing one.  
   
 - post processing  
   
 - add basic mpeg4 stuff:  
         - custom mpeg quant matrixes [DONE]  
         - intra_dc_vlc_threshold [DONE]  
         - quarterpel  [in progress]  
         - resync?  
   
 - b-vops [IN PROGRESS]  
 - figure out what todo with time codes, and fatal error  
   
   
   
 *** encoder ***  
   
 - purple mb block (rare) [FIXED]  
 - coeff range checks need to be verified against mpeg-4 spec [DONE/PARTIAL]  
         - dequants now clamp to [-2048,2047]. [DONE]  
         - fdct_mmx clamps to [-2048,2047], it doesnt have to (but prevents overflows in mmx quantization)  
         - quants _should_ clamp to [-127,127], but this introduces errors at low quant levels so we ignore it  
         - idct _should_ clamp [-256,255], but its really unnessary overhead.  
   
 - pmvfast bug fixing [DONE]  
   
 - quater pixel motion search  
   
 - 'smearing bug' when motion occurs in straight vertical direction (  
 http://www.videocoding.de/forum/viewtopic.php?topic=71&forum=2&6 )  
 coefficient thresholding problems? [FIXED/REMOVED]  
   
 - better luminance masking [DONE]  
   
 - use N_VOP when a interframe is entirely composed of ublks  
         & frame dropping. eg. simple ublk threshold  
   
   
   
 *** gpl conversion ***  
   
 mbdecoding.c  
   
 encoder.c       [REPLACED]  
 mbmotionestcomp.c       [REPLACED]  
 mbcoding [REPLACED]  
 putvlc.c [REPLACED]  
 ratecontol.c  
29    * Add automatic ChangeLog Generator - [DONE]
30      -> Thanks to rockbox' script http://rockbox.haxx.se/

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