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add/put_pixels_clamped update 

Originally committed as revision 1475 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-01-19 18:42:49 +00:00
parent ef9f730675
commit 8c55915b14
1 changed files with 6 additions and 3 deletions
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7
doc/optimization.txt
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@ -85,13 +85,15 @@ gmc1
pix_sum
used for encoding
hadamard8_diff / sse / sad == pix_norm1 / dct_sad / quant_psnr
hadamard8_diff / sse / sad == pix_norm1 / dct_sad / quant_psnr / rd / bit
specific compare functions used in encoding, it depends upon the command line
switches which of these are used
dont waste ur time with dct_sad & quant_psnr they arent really usefull
put_pixels_clamped / add_pixels_clamped
used for en/decoding, easy
used for en/decoding in the IDCT, easy
Note, some optimized IDCTs have the add/put clamped code included and then
put_pixels_clamped / add_pixels_clamped will be unused
idct/fdct
idct (encoding & decoding)
@ -149,3 +151,4 @@ http://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html
a bit old (note "+" is valid for input-output, even though the next says its not)
http://www.cs.virginia.edu/~clc5q/gcc-inline-asm.pdf