basic type mechanism working

1 files changed, 14 insertions, 2 deletions

diff --git a/ffmpeg/libavcodec/fmtconvert.c b/ffmpeg/libavcodec/fmtconvert.c
index 79e9645..fb4302c 100644
--- a/ffmpeg/libavcodec/fmtconvert.c
+++ b/ffmpeg/libavcodec/fmtconvert.c
@@ -24,12 +24,23 @@
 #include "fmtconvert.h"
 #include "libavutil/common.h"
 
-static void int32_to_float_fmul_scalar_c(float *dst, const int *src, float mul, int len){
+static void int32_to_float_fmul_scalar_c(float *dst, const int32_t *src,
+                                         float mul, int len)
+{
     int i;
     for(i=0; i<len; i++)
         dst[i] = src[i] * mul;
 }
 
+static void int32_to_float_fmul_array8_c(FmtConvertContext *c, float *dst,
+                                         const int32_t *src, const float *mul,
+                                         int len)
+{
+    int i;
+    for (i = 0; i < len; i += 8)
+        c->int32_to_float_fmul_scalar(&dst[i], &src[i], *mul++, 8);
+}
+
 static av_always_inline int float_to_int16_one(const float *src){
     return av_clip_int16(lrintf(*src));
 }
@@ -79,12 +90,13 @@ void ff_float_interleave_c(float *dst, const float **src, unsigned int len,
 av_cold void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx)
 {
     c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c;
+    c->int32_to_float_fmul_array8 = int32_to_float_fmul_array8_c;
     c->float_to_int16             = float_to_int16_c;
     c->float_to_int16_interleave  = float_to_int16_interleave_c;
     c->float_interleave           = ff_float_interleave_c;
 
     if (ARCH_ARM) ff_fmt_convert_init_arm(c, avctx);
-    if (HAVE_ALTIVEC) ff_fmt_convert_init_altivec(c, avctx);
+    if (ARCH_PPC) ff_fmt_convert_init_ppc(c, avctx);
     if (ARCH_X86) ff_fmt_convert_init_x86(c, avctx);
     if (HAVE_MIPSFPU) ff_fmt_convert_init_mips(c);
 }