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authorThomas Vander Stichele <thomas@apestaart.org>2004-03-14 22:34:33 +0000
committerThomas Vander Stichele <thomas@apestaart.org>2004-03-14 22:34:33 +0000
commit7a778ee4b7ec09a1f5b2185c9cceee3910dfbdf2 (patch)
treef863b467dea9559a6ec9c48affbfae11f8104164 /gst-libs/gst/resample/dtos.c
parenta19db4bbdc4a15ea0d8f4d28e9a1302c9c3d1657 (diff)
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gst-indent
Original commit message from CVS: gst-indent
Diffstat (limited to 'gst-libs/gst/resample/dtos.c')
-rw-r--r--gst-libs/gst/resample/dtos.c257
1 files changed, 134 insertions, 123 deletions
diff --git a/gst-libs/gst/resample/dtos.c b/gst-libs/gst/resample/dtos.c
index 268c401a..98e8f6a6 100644
--- a/gst-libs/gst/resample/dtos.c
+++ b/gst-libs/gst/resample/dtos.c
@@ -39,92 +39,98 @@
static float ints_high[256];
static float ints_low[256];
-void conv_double_short_table(double *dest, short *src, int n)
+void
+conv_double_short_table (double *dest, short *src, int n)
{
- static int init = 0;
- int i;
- unsigned int idx;
- if(!init){
- for(i=0;i<256;i++){
- ints_high[i]=256.0*((i<128)?i:i-256);
- ints_low[i]=i;
- }
- init = 1;
- }
-
- if(n&1){
- idx = (unsigned short)*src++;
- *dest++ = ints_high[(idx>>8)] + ints_low[(idx&0xff)];
- n-=1;
- }
- for(i=0;i<n;i+=2){
- idx = (unsigned short)*src++;
- *dest++ = ints_high[(idx>>8)] + ints_low[(idx&0xff)];
- idx = (unsigned short)*src++;
- *dest++ = ints_high[(idx>>8)] + ints_low[(idx&0xff)];
- }
+ static int init = 0;
+ int i;
+ unsigned int idx;
+
+ if (!init) {
+ for (i = 0; i < 256; i++) {
+ ints_high[i] = 256.0 * ((i < 128) ? i : i - 256);
+ ints_low[i] = i;
+ }
+ init = 1;
+ }
+
+ if (n & 1) {
+ idx = (unsigned short) *src++;
+ *dest++ = ints_high[(idx >> 8)] + ints_low[(idx & 0xff)];
+ n -= 1;
+ }
+ for (i = 0; i < n; i += 2) {
+ idx = (unsigned short) *src++;
+ *dest++ = ints_high[(idx >> 8)] + ints_low[(idx & 0xff)];
+ idx = (unsigned short) *src++;
+ *dest++ = ints_high[(idx >> 8)] + ints_low[(idx & 0xff)];
+ }
}
#endif
#ifdef short_to_double_unroll
-void conv_double_short_unroll(double *dest, short *src, int n)
+void
+conv_double_short_unroll (double *dest, short *src, int n)
{
- if(n&1){
- *dest++ = *src++;
- n--;
- }
- if(n&2){
- *dest++ = *src++;
- *dest++ = *src++;
- n-=2;
- }
- while(n>0){
- *dest++ = *src++;
- *dest++ = *src++;
- *dest++ = *src++;
- *dest++ = *src++;
- n-=4;
- }
+ if (n & 1) {
+ *dest++ = *src++;
+ n--;
+ }
+ if (n & 2) {
+ *dest++ = *src++;
+ *dest++ = *src++;
+ n -= 2;
+ }
+ while (n > 0) {
+ *dest++ = *src++;
+ *dest++ = *src++;
+ *dest++ = *src++;
+ *dest++ = *src++;
+ n -= 4;
+ }
}
#endif
-void conv_double_short_ref(double *dest, short *src, int n)
+void
+conv_double_short_ref (double *dest, short *src, int n)
{
- int i;
- for(i=0;i<n;i++){
- dest[i]=src[i];
- }
+ int i;
+
+ for (i = 0; i < n; i++) {
+ dest[i] = src[i];
+ }
}
#ifdef HAVE_CPU_PPC
#if 0
-static union { int i[4]; float f[4]; } av_tmp __attribute__ ((__aligned__ (16)));
+static union
+{
+ int i[4];
+ float f[4];
+} av_tmp __attribute__ ((__aligned__ (16)));
-void conv_double_short_altivec(double *dest, short *src, int n)
+void
+conv_double_short_altivec (double *dest, short *src, int n)
{
- int i;
-
- for(i=0;i<n;i+=4){
- av_tmp.i[0] = src[0];
- av_tmp.i[1] = src[1];
- av_tmp.i[2] = src[2];
- av_tmp.i[3] = src[3];
-
- asm(
- " lvx 0,0,%0\n"
- " vcfsx 1,0,0\n"
- " stvx 1,0,%0\n"
- : : "r" (&av_tmp)
- );
-
- dest[0]=av_tmp.f[0];
- dest[1]=av_tmp.f[1];
- dest[2]=av_tmp.f[2];
- dest[3]=av_tmp.f[3];
- src += 4;
- dest += 4;
- }
+ int i;
+
+ for (i = 0; i < n; i += 4) {
+ av_tmp.i[0] = src[0];
+ av_tmp.i[1] = src[1];
+ av_tmp.i[2] = src[2];
+ av_tmp.i[3] = src[3];
+
+ asm (" lvx 0,0,%0\n" " vcfsx 1,0,0\n" " stvx 1,0,%0\n": :"r" (&av_tmp)
+ );
+
+ dest[0] = av_tmp.f[0];
+ dest[1] = av_tmp.f[1];
+ dest[2] = av_tmp.f[2];
+ dest[3] = av_tmp.f[3];
+ src += 4;
+ dest += 4;
+ }
}
#endif
#endif
@@ -133,73 +139,78 @@ void conv_double_short_altivec(double *dest, short *src, int n)
/* double to short */
-void conv_short_double_ref(short *dest, double *src, int n)
+void
+conv_short_double_ref (short *dest, double *src, int n)
{
- int i;
- double x;
-
- for(i=0;i<n;i++){
- x = *src++;
- if(x<-32768.0)x=-32768.0;
- if(x>32767.0)x=32767.0;
- *dest++ = rint(x);
- }
+ int i;
+ double x;
+
+ for (i = 0; i < n; i++) {
+ x = *src++;
+ if (x < -32768.0)
+ x = -32768.0;
+ if (x > 32767.0)
+ x = 32767.0;
+ *dest++ = rint (x);
+ }
}
/* #ifdef HAVE_CPU_PPC */
#if 0
-void conv_short_double_ppcasm(short *dest, double *src, int n)
+void
+conv_short_double_ppcasm (short *dest, double *src, int n)
{
- int tmp[2];
- double min = -32768.0;
- double max = 32767.0;
- double ftmp0, ftmp1;
-
- asm __volatile__(
- "\taddic. %3,%3,-8\n"
- "\taddic. %6,%6,-2\n"
- "loop:\n"
- "\tlfdu %0,8(%3)\n"
- "\tfsub %1,%0,%4\n"
- "\tfsel %0,%1,%0,%4\n"
- "\tfsub %1,%0,%5\n"
- "\tfsel %0,%1,%5,%0\n"
- "\tfctiw %1,%0\n"
- "\taddic. 5,5,-1\n"
- "\tstfd %1,0(%2)\n"
- "\tlhz 9,6(%2)\n"
- "\tsthu 9,2(%6)\n"
- "\tbne loop\n"
- : "=&f" (ftmp0), "=&f" (ftmp1)
- : "b" (tmp), "r" (src), "f" (min), "f" (max), "r" (dest)
- : "r9", "r5" );
+ int tmp[2];
+ double min = -32768.0;
+ double max = 32767.0;
+ double ftmp0, ftmp1;
+
+ asm __volatile__ ("\taddic. %3,%3,-8\n"
+ "\taddic. %6,%6,-2\n"
+ "loop:\n"
+ "\tlfdu %0,8(%3)\n"
+ "\tfsub %1,%0,%4\n"
+ "\tfsel %0,%1,%0,%4\n"
+ "\tfsub %1,%0,%5\n"
+ "\tfsel %0,%1,%5,%0\n"
+ "\tfctiw %1,%0\n"
+ "\taddic. 5,5,-1\n"
+ "\tstfd %1,0(%2)\n"
+ "\tlhz 9,6(%2)\n"
+ "\tsthu 9,2(%6)\n" "\tbne loop\n":"=&f" (ftmp0), "=&f" (ftmp1)
+ :"b" (tmp), "r" (src), "f" (min), "f" (max), "r" (dest)
+ :"r9", "r5");
}
#endif
-void conv_double_short_dstr(double *dest, short *src, int n, int dstr)
+void
+conv_double_short_dstr (double *dest, short *src, int n, int dstr)
{
- int i;
- void *d = dest;
- for(i=0;i<n;i++){
- (*(double *)d)=*src++;
- d += dstr;
- }
+ int i;
+ void *d = dest;
+
+ for (i = 0; i < n; i++) {
+ (*(double *) d) = *src++;
+ d += dstr;
+ }
}
-void conv_short_double_sstr(short *dest, double *src, int n, int sstr)
+void
+conv_short_double_sstr (short *dest, double *src, int n, int sstr)
{
- int i;
- double x;
- void *s = src;
-
- for(i=0;i<n;i++){
- x = *(double *)s;
- if(x<-32768.0)x=-32768.0;
- if(x>32767.0)x=32767.0;
- *dest++ = rint(x);
- s += sstr;
- }
+ int i;
+ double x;
+ void *s = src;
+
+ for (i = 0; i < n; i++) {
+ x = *(double *) s;
+ if (x < -32768.0)
+ x = -32768.0;
+ if (x > 32767.0)
+ x = 32767.0;
+ *dest++ = rint (x);
+ s += sstr;
+ }
}
-