qdm2: avoid integer overflow

[ffmpeg] / libavcodec / arm / vc1dsp_init_neon.c

diff --git a/libavcodec/arm/vc1dsp_init_neon.c b/libavcodec/arm/vc1dsp_init_neon.c
index 912e33cceda1521860e24e44c6670593c02ddb57..9ded7a28b9d18a7d117e57c52d1d544858443cdf 100644 (file)
--- a/libavcodec/arm/vc1dsp_init_neon.c
+++ b/libavcodec/arm/vc1dsp_init_neon.c
@@ -22,6 +22,8 @@
 #include "libavcodec/vc1dsp.h"
 #include "vc1dsp.h"
 
+#include "config.h"
+
 void ff_vc1_inv_trans_8x8_neon(int16_t *block);
 void ff_vc1_inv_trans_4x8_neon(uint8_t *dest, int linesize, int16_t *block);
 void ff_vc1_inv_trans_8x4_neon(uint8_t *dest, int linesize, int16_t *block);
@@ -91,6 +93,7 @@ av_cold void ff_vc1dsp_init_neon(VC1DSPContext *dsp)
     dsp->vc1_inv_trans_4x4_dc = ff_vc1_inv_trans_4x4_dc_neon;
 
     dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_pixels8x8_neon;
+    if (HAVE_AS_DN_DIRECTIVE) {
     dsp->put_vc1_mspel_pixels_tab[ 1] = ff_put_vc1_mspel_mc10_neon;
     dsp->put_vc1_mspel_pixels_tab[ 2] = ff_put_vc1_mspel_mc20_neon;
     dsp->put_vc1_mspel_pixels_tab[ 3] = ff_put_vc1_mspel_mc30_neon;
@@ -106,6 +109,7 @@ av_cold void ff_vc1dsp_init_neon(VC1DSPContext *dsp)
     dsp->put_vc1_mspel_pixels_tab[13] = ff_put_vc1_mspel_mc13_neon;
     dsp->put_vc1_mspel_pixels_tab[14] = ff_put_vc1_mspel_mc23_neon;
     dsp->put_vc1_mspel_pixels_tab[15] = ff_put_vc1_mspel_mc33_neon;
+    }
 
     dsp->put_no_rnd_vc1_chroma_pixels_tab[0] = ff_put_vc1_chroma_mc8_neon;
     dsp->avg_no_rnd_vc1_chroma_pixels_tab[0] = ff_avg_vc1_chroma_mc8_neon;