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ffmpeg.wasm-core
Commit 143cc725 authored by Michael Niedermayer's avatar Michael Niedermayer
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gmc1 

Originally committed as revision 1446 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 3df7be0f
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doc/optimization.txt
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...@@ -74,6 +74,14 @@ gmc ...@@ -74,6 +74,14 @@ gmc
optimizing this should have a significant effect on the gmc decoding speed but optimizing this should have a significant effect on the gmc decoding speed but
its very likely impossible to write in SIMD its very likely impossible to write in SIMD
gmc1
used for chroma blocks in mpeg4 gmc with 1 warp point
(there are 4 luma & 2 chroma blocks per macrobock, so
only 1/3 of the gmc blocks use this, the other 2/3
use the normal put_pixel* code, but only if there is
just 1 warp point)
Note: Divx5 gmc always uses just 1 warp point
pix_sum pix_sum
used for encoding used for encoding
......
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