[FFmpeg-cvslog] r22617 - in trunk/libavcodec: dct.c fft.h

[vitor]

Author: vitor
Date: Sun Mar 21 12:31:11 2010
New Revision: 22617

Log:
Call DCT by function pointer. Needed for any future ASM implementation and
allows further cleanup.

Modified:
   trunk/libavcodec/dct.c
   trunk/libavcodec/fft.h

Modified: trunk/libavcodec/dct.c
==============================================================================
--- trunk/libavcodec/dct.c	Sun Mar 21 12:28:38 2010	(r22616)
+++ trunk/libavcodec/dct.c	Sun Mar 21 12:31:11 2010	(r22617)
@@ -105,7 +105,7 @@ static void ff_dct_calc_c(DCTContext *ct
 
 void ff_dct_calc(DCTContext *s, FFTSample *data)
 {
-    ff_dct_calc_c(s, data);
+    s->dct_calc(s, data);
 }
 
 av_cold int ff_dct_init(DCTContext *s, int nbits, int inverse)
@@ -130,6 +130,8 @@ av_cold int ff_dct_init(DCTContext *s, i
     for (i = 0; i < n/2; i++)
         s->csc2[i] = 0.5 / sin((M_PI / (2*n) * (2*i + 1)));
 
+    s->dct_calc = ff_dct_calc_c;
+
     return 0;
 }
 

Modified: trunk/libavcodec/fft.h
==============================================================================
--- trunk/libavcodec/fft.h	Sun Mar 21 12:28:38 2010	(r22616)
+++ trunk/libavcodec/fft.h	Sun Mar 21 12:31:11 2010	(r22617)
@@ -220,6 +220,7 @@ struct DCTContext {
     RDFTContext rdft;
     const float *costab;
     FFTSample *csc2;
+    void (*dct_calc)(struct DCTContext *s, FFTSample *data);
 };
 
 /**