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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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9
doc/optimization.txt
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@ -85,13 +85,15 @@ gmc1
pix_sum pix_sum
used for encoding 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 specific compare functions used in encoding, it depends upon the command line
switches which of these are used switches which of these are used
dont waste ur time with dct_sad & quant_psnr they arent really usefull dont waste ur time with dct_sad & quant_psnr they arent really usefull
put_pixels_clamped / add_pixels_clamped 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/fdct
idct (encoding & decoding) idct (encoding & decoding)
@ -148,4 +150,5 @@ official doc but quite ugly
http://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html 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) 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 http://www.cs.virginia.edu/~clc5q/gcc-inline-asm.pdf