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authorChristian Schaller <uraeus@gnome.org>2005-05-06 11:41:28 +0000
committerChristian Schaller <uraeus@gnome.org>2005-05-06 11:41:28 +0000
commit086b25d40a8fc3606d70c32af7f6af178e2d804d (patch)
tree2b138bca28d921d8798599f2c745d8014ec631ba /gst-libs/gst/resample/dtos.c
parent4cb81e7ecbdc6376e5c676dcffa11758434acd1e (diff)
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remove gst-libs from gst-plugins module as it is in gst-plugins-base now
Original commit message from CVS: remove gst-libs from gst-plugins module as it is in gst-plugins-base now
Diffstat (limited to 'gst-libs/gst/resample/dtos.c')
-rw-r--r--gst-libs/gst/resample/dtos.c217
1 files changed, 0 insertions, 217 deletions
diff --git a/gst-libs/gst/resample/dtos.c b/gst-libs/gst/resample/dtos.c
deleted file mode 100644
index f1e2278e..00000000
--- a/gst-libs/gst/resample/dtos.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/* Resampling library
- * Copyright (C) <2001> David A. Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-/*#include <ml.h> */
-#include <resample.h>
-
-
-
-#define short_to_double_table
-/*#define short_to_double_altivec */
-#define short_to_double_unroll
-
-#ifdef short_to_double_table
-static float ints_high[256];
-static float ints_low[256];
-
-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)];
- }
-}
-
-#endif
-
-#ifdef short_to_double_unroll
-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;
- }
-}
-#endif
-
-void
-conv_double_short_ref (double *dest, short *src, int n)
-{
- 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)));
-
-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;
- }
-}
-#endif
-#endif
-
-
-
-/* double to short */
-
-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);
- }
-}
-
-/* #ifdef HAVE_CPU_PPC */
-#if 0
-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");
-
-}
-#endif
-
-
-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;
- }
-}
-
-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;
- }
-}