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Diffstat (limited to 'src/libmad/TODO')
| -rw-r--r-- | src/libmad/TODO | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/src/libmad/TODO b/src/libmad/TODO index 1ea107c2..e69de29b 100644 --- a/src/libmad/TODO +++ b/src/libmad/TODO @@ -1,69 +0,0 @@ - - libmad - MPEG audio decoder library - Copyright (C) 2000-2004 Underbit Technologies, Inc. - - $Id: TODO,v 1.3 2004/02/05 09:02:39 rob Exp $ - -=============================================================================== - -libmad: - - more API layers (buffering, PCM samples, dithering, etc.) - - x86 performance optimization compiler flags - - function documentation, general docs - - finish async API - - parse system streams? - - MPEG-2 MC, AAC? - - logarithmic multiplication? - - multiple frame decoding for better locality of reference? - - frame serial numbers, Layer III frame continuity checks - -fixed.h: - - experiment with FPM_INTEL: - -# if 1 -# define mad_f_scale64(hi, lo) \ - ({ mad_fixed_t __result; \ - asm ("shrl %3,%1\n\t" \ - "shll %4,%2\n\t" \ - "orl %2,%1" \ - : "=rm" (__result) \ - : "0" (lo), "r" (hi), \ - "I" (MAD_F_SCALEBITS), "I" (32 - MAD_F_SCALEBITS) \ - : "cc"); \ - __result; \ - }) -# else -# define mad_f_scale64(hi, lo) \ - ({ mad_fixed64hi_t __hi_; \ - mad_fixed64lo_t __lo_; \ - mad_fixed_t __result; \ - asm ("sall %2,%1" \ - : "=r" (__hi_) \ - : "0" (hi), "I" (32 - MAD_F_SCALEBITS) \ - : "cc"); \ - asm ("shrl %2,%1" \ - : "=r" (__lo_) \ - : "0" (lo), "I" (MAD_F_SCALEBITS) \ - : "cc"); \ - asm ("orl %1,%2" \ - : "=rm" (__result) \ - : "r" (__hi_), "0" (__lo_) \ - : "cc"); \ - __result; \ - }) -# endif - -libmad Layer I: - - check frame length sanity - -libmad Layer II: - - check frame length sanity - -libmad Layer III: - - circular buffer - - optimize zero_part from Huffman decoding throughout - - MPEG 2.5 8000 Hz sf bands? mixed blocks? - - stereo->mono conversion optimization? - - enable frame-at-a-time decoding - - improve portability of huffman.c - |