Remove AltiVec optimizations for Snow. They are hindering the development

of Snow, which is still in flux.

Originally committed as revision 18475 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -507,7 +507,6 @@ OBJS-$(ARCH_BFIN)                      += bfin/dsputil_bfin.o           \
 OBJS-$(ARCH_PPC)                       += ppc/dsputil_ppc.o             \
 
 ALTIVEC-OBJS-$(CONFIG_H264_DECODER)    += ppc/h264_altivec.o
-ALTIVEC-OBJS-$(CONFIG_SNOW_DECODER)    += ppc/snow_altivec.o
 ALTIVEC-OBJS-$(CONFIG_VC1_DECODER)     += ppc/vc1dsp_altivec.o
 ALTIVEC-OBJS-$(CONFIG_WMV3_DECODER)    += ppc/vc1dsp_altivec.o
 

libavcodec/ppc/dsputil_ppc.c

@@ -36,7 +36,6 @@ void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx);
 
 void dsputil_init_altivec(DSPContext* c, AVCodecContext *avctx);
 void vc1dsp_init_altivec(DSPContext* c, AVCodecContext *avctx);
-void snow_init_altivec(DSPContext* c, AVCodecContext *avctx);
 void float_init_altivec(DSPContext* c, AVCodecContext *avctx);
 void int_init_altivec(DSPContext* c, AVCodecContext *avctx);
 
@@ -265,7 +264,6 @@ void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
         mm_flags |= FF_MM_ALTIVEC;
 
         dsputil_init_altivec(c, avctx);
-        if(CONFIG_SNOW_DECODER) snow_init_altivec(c, avctx);
         if(CONFIG_VC1_DECODER || CONFIG_WMV3_DECODER)
             vc1dsp_init_altivec(c, avctx);
         float_init_altivec(c, avctx);