diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2003-01-19 18:42:49 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-01-19 18:42:49 +0000 |
| commit | 8c55915b14897fd9bdaae9241f2dd54c00a869ef (patch) | |
| tree | 637e75d8687a027a0e44c559355522bf1e3c6a10 /doc/optimization.txt | |
| parent | ef9f730675b17f273ff5a39f3c99c71a6e96005a (diff) | |
add/put_pixels_clamped update
Originally committed as revision 1475 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'doc/optimization.txt')
| -rw-r--r-- | doc/optimization.txt | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/optimization.txt b/doc/optimization.txt index 8a718e1413..87e9d88468 100644 --- a/doc/optimization.txt +++ b/doc/optimization.txt @@ -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) @@ -148,4 +150,5 @@ official doc but quite ugly 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
\ No newline at end of file +http://www.cs.virginia.edu/~clc5q/gcc-inline-asm.pdf + |