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Alpha: proper IDCT selection

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Only select the Alpha IDCT if auto or explicitly requested.  Also
disable it in lowres mode.

Originally committed as revision 16666 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård
2009-01-18 05:52:12 +00:00
parent c2fbf89398
commit 74c4746344
3 changed files with 6 additions and 0 deletions
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4
libavcodec/alpha/dsputil_alpha.c
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@ -356,7 +356,11 @@ void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx)
put_pixels_clamped_axp_p = c->put_pixels_clamped;
add_pixels_clamped_axp_p = c->add_pixels_clamped;
if (!avctx->lowres &&
(avctx->idct_algo == FF_IDCT_AUTO ||
avctx->idct_algo == FF_IDCT_SIMPLEALPHA)) {
c->idct_put = simple_idct_put_axp;
c->idct_add = simple_idct_add_axp;
c->idct = simple_idct_axp;
}
}