diff options
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -0,0 +1,37 @@ +* plain bugs + * fix VIS IDCT code (handling of nonprogressive frame pictures) + +* things we dont implement yet + * more verbose error reporting + * export MC information (for XvMC or for error resilience) + * export quantizer information (for postprocessing filters) + * dont crash on bad streams, make sure we can resync after a while + * possible chunk buffer overflow while reading bits + * synchronization stuff (play at correct speed) + * IDCT precision with sparse matrixes + * sparc IDCT optimizations + * support for still pictures (decode before receiving next startcode !) + +* structural optimizations + * do yuv per sub-slice (probably big speed boost) + * try different memory arrangements for pictures (yuyv, stride, ...) + * once we have sync, call draw_frame before decoding I or P not after + +* local optimizations + * put most common fields at start of decoder_t structure + * fix code that uses multiples of the stride (use preshifted value ?) + * avoid 8-bit accesses particularly on alpha + * use 64-bit shift register for parsing on 64-bit arches + * use restrict (__restrict__) pointers: int * restrict p; + * try feig IDCT ? + * review the use of static inline functions + * improve MMX motion comp inner routines + * optimize IDCT for very sparse input matrixes ? + * optimize startcode search loop ? + * bit parsing / DCT parsing optimizations + +* clean up + * clean up header file usage + * clean up yuv2rgb for interlaced pictures (handling of uv) + * clean up decoder_t structure (some variables should be local ?) + * clean up slice_init |