alac: limit the rice param before passing to decode_scalar()

[ffmpeg] / libavcodec / x86 / cavsdsp_mmx.c

diff --git a/libavcodec/x86/cavsdsp_mmx.c b/libavcodec/x86/cavsdsp_mmx.c
index 0f5fdaa53d1f3840447cca8103d07a18bab649f4..b3d2c27441ba8924ea7171b9b089d175b468fa45 100644 (file)
--- a/libavcodec/x86/cavsdsp_mmx.c
+++ b/libavcodec/x86/cavsdsp_mmx.c
@@ -5,20 +5,20 @@
  * MMX-optimized DSP functions, based on H.264 optimizations by
  * Michael Niedermayer and Loren Merritt
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -29,6 +29,14 @@
 #include "libavcodec/cavsdsp.h"
 #include "dsputil_mmx.h"
 
+#if HAVE_INLINE_ASM
+
+/* in/out: mma=mma+mmb, mmb=mmb-mma */
+#define SUMSUB_BA( a, b ) \
+    "paddw "#b", "#a" \n\t"\
+    "paddw "#b", "#b" \n\t"\
+    "psubw "#a", "#b" \n\t"
+
 /*****************************************************************************
  *
  * inverse transform
@@ -471,10 +479,14 @@ static void ff_cavsdsp_init_3dnow(CAVSDSPContext* c, AVCodecContext *avctx) {
     c->cavs_idct8_add = cavs_idct8_add_mmx;
 }
 
+#endif /* HAVE_INLINE_ASM */
+
 void ff_cavsdsp_init_mmx(CAVSDSPContext *c, AVCodecContext *avctx)
 {
     int mm_flags = av_get_cpu_flags();
 
+#if HAVE_INLINE_ASM
     if (mm_flags & AV_CPU_FLAG_MMX2)  ff_cavsdsp_init_mmx2 (c, avctx);
     if (mm_flags & AV_CPU_FLAG_3DNOW) ff_cavsdsp_init_3dnow(c, avctx);
+#endif /* HAVE_INLINE_ASM */
 }