From f7813a5324be39d13ab536c245d15dfc602a7849 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Sun, 29 Dec 2013 12:19:38 +0000
Subject: basic type mechanism working

---
 ffmpeg/libswresample/rematrix_template.c | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

(limited to 'ffmpeg/libswresample/rematrix_template.c')

diff --git a/ffmpeg/libswresample/rematrix_template.c b/ffmpeg/libswresample/rematrix_template.c
index b8ca901..95a3b9a 100644
--- a/ffmpeg/libswresample/rematrix_template.c
+++ b/ffmpeg/libswresample/rematrix_template.c
@@ -36,14 +36,20 @@
 #    define COEFF int
 #    define INTER int
 #    define RENAME(x) x ## _s16
+#elif defined(TEMPLATE_REMATRIX_S32)
+#    define R(x) (((x) + 16384)>>15)
+#    define SAMPLE int32_t
+#    define COEFF int
+#    define INTER int64_t
+#    define RENAME(x) x ## _s32
 #endif
 
 typedef void (RENAME(mix_any_func_type))(SAMPLE **out, const SAMPLE **in1, COEFF *coeffp, integer len);
 
 static void RENAME(sum2)(SAMPLE *out, const SAMPLE *in1, const SAMPLE *in2, COEFF *coeffp, integer index1, integer index2, integer len){
     int i;
-    COEFF coeff1 = coeffp[index1];
-    COEFF coeff2 = coeffp[index2];
+    INTER coeff1 = coeffp[index1];
+    INTER coeff2 = coeffp[index2];
 
     for(i=0; i<len; i++)
         out[i] = R(coeff1*in1[i] + coeff2*in2[i]);
@@ -51,7 +57,7 @@ static void RENAME(sum2)(SAMPLE *out, const SAMPLE *in1, const SAMPLE *in2, COEF
 
 static void RENAME(copy)(SAMPLE *out, const SAMPLE *in, COEFF *coeffp, integer index, integer len){
     int i;
-    COEFF coeff = coeffp[index];
+    INTER coeff = coeffp[index];
     for(i=0; i<len; i++)
         out[i] = R(coeff*in[i]);
 }
@@ -60,9 +66,9 @@ static void RENAME(mix6to2)(SAMPLE **out, const SAMPLE **in, COEFF *coeffp, inte
     int i;
 
     for(i=0; i<len; i++) {
-        INTER t = in[2][i]*coeffp[0*6+2] + in[3][i]*coeffp[0*6+3];
-        out[0][i] = R(t + in[0][i]*coeffp[0*6+0] + in[4][i]*coeffp[0*6+4]);
-        out[1][i] = R(t + in[1][i]*coeffp[1*6+1] + in[5][i]*coeffp[1*6+5]);
+        INTER t = in[2][i]*(INTER)coeffp[0*6+2] + in[3][i]*(INTER)coeffp[0*6+3];
+        out[0][i] = R(t + in[0][i]*(INTER)coeffp[0*6+0] + in[4][i]*(INTER)coeffp[0*6+4]);
+        out[1][i] = R(t + in[1][i]*(INTER)coeffp[1*6+1] + in[5][i]*(INTER)coeffp[1*6+5]);
     }
 }
 
@@ -70,9 +76,9 @@ static void RENAME(mix8to2)(SAMPLE **out, const SAMPLE **in, COEFF *coeffp, inte
     int i;
 
     for(i=0; i<len; i++) {
-        INTER t = in[2][i]*coeffp[0*8+2] + in[3][i]*coeffp[0*8+3];
-        out[0][i] = R(t + in[0][i]*coeffp[0*8+0] + in[4][i]*coeffp[0*8+4] + in[6][i]*coeffp[0*8+6]);
-        out[1][i] = R(t + in[1][i]*coeffp[1*8+1] + in[5][i]*coeffp[1*8+5] + in[7][i]*coeffp[1*8+7]);
+        INTER t = in[2][i]*(INTER)coeffp[0*8+2] + in[3][i]*(INTER)coeffp[0*8+3];
+        out[0][i] = R(t + in[0][i]*(INTER)coeffp[0*8+0] + in[4][i]*(INTER)coeffp[0*8+4] + in[6][i]*(INTER)coeffp[0*8+6]);
+        out[1][i] = R(t + in[1][i]*(INTER)coeffp[1*8+1] + in[5][i]*(INTER)coeffp[1*8+5] + in[7][i]*(INTER)coeffp[1*8+7]);
     }
 }
 
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