From 74c474634487696fa0cca055cb8694d0e4bc1329 Mon Sep 17 00:00:00 2001
From: Måns Rullgård
Date: Sun, 18 Jan 2009 05:52:12 +0000
Subject: Alpha: proper IDCT selection

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
---
 libavcodec/alpha/dsputil_alpha.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libavcodec/alpha')

diff --git a/libavcodec/alpha/dsputil_alpha.c b/libavcodec/alpha/dsputil_alpha.c
index c1500b11f9..905137edf2 100644
--- a/libavcodec/alpha/dsputil_alpha.c
+++ b/libavcodec/alpha/dsputil_alpha.c
@@ -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;
+    }
 }
-- 
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