float_to_int16_interleave: change src to an array of pointers instead of assuming it's contiguous.

this has no immediate effect, but will allow it to be used in more codecs.

Originally committed as revision 14252 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 10 insertions, 10 deletions

diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c
index c507023936..90865e80c7 100644
--- a/libavcodec/i386/dsputil_mmx.c
+++ b/libavcodec/i386/dsputil_mmx.c
@@ -2156,32 +2156,32 @@ static void float_to_int16_sse2(int16_t *dst, const float *src, long len){
 
 #define FLOAT_TO_INT16_INTERLEAVE(cpu, body) \
 /* gcc pessimizes register allocation if this is in the same function as float_to_int16_interleave_sse2*/\
-static av_noinline void float_to_int16_interleave2_##cpu(int16_t *dst, const float *src, long len, int channels){\
-    DECLARE_ALIGNED_16(int16_t, tmp[len*channels]);\
+static av_noinline void float_to_int16_interleave2_##cpu(int16_t *dst, const float **src, long len, int channels){\
+    DECLARE_ALIGNED_16(int16_t, tmp[len]);\
     int i,j,c;\
-    float_to_int16_##cpu(tmp, src, len*channels);\
     for(c=0; c<channels; c++){\
-        int16_t *ptmp = tmp+c*len;\
+        float_to_int16_##cpu(tmp, src[c], len);\
         for(i=0, j=c; i<len; i++, j+=channels)\
-            dst[j] = ptmp[i];\
+            dst[j] = tmp[i];\
     }\
 }\
 \
-static void float_to_int16_interleave_##cpu(int16_t *dst, const float *src, long len, int channels){\
+static void float_to_int16_interleave_##cpu(int16_t *dst, const float **src, long len, int channels){\
     if(channels==1)\
-        float_to_int16_##cpu(dst, src, len);\
+        float_to_int16_##cpu(dst, src[0], len);\
     else if(channels>2)\
         float_to_int16_interleave2_##cpu(dst, src, len, channels);\
     else{\
-        float *src1;\
+        const float *src0 = src[0];\
+        const float *src1 = src[1];\
         asm volatile(\
             "shl $2, %0 \n"\
             "add %0, %1 \n"\
             "add %0, %2 \n"\
-            "lea (%2,%0), %3 \n"\
+            "add %0, %3 \n"\
             "neg %0 \n"\
             body\
-            :"+r"(len), "+r"(dst), "+r"(src), "=r"(src1)\
+            :"+r"(len), "+r"(dst), "+r"(src0), "+r"(src1)\
         );\
     }\
 }