Add Speex playback support. Patch from FS #5607 thanks to Frederik Vestre.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12241 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 245 insertions, 0 deletions

diff --git a/apps/codecs/libspeex/misc.c b/apps/codecs/libspeex/misc.c
new file mode 100644
index 0000000..4d2b485
--- /dev/null
+++ b/apps/codecs/libspeex/misc.c
@@ -0,0 +1,245 @@
+/* Copyright (C) 2002-2005 Jean-Marc Valin 
+   File: misc.c
+   Various utility routines for Speex
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+   
+   - Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+   
+   - Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+   
+   - Neither the name of the Xiph.org Foundation nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+   
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "../codecs.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include "misc.h"
+
+
+
+#ifdef USER_MISC
+#include "user_misc.h"
+#endif
+
+#ifdef BFIN_ASM
+#include "misc_bfin.h"
+#endif
+
+//static struct codec_api *rb;//defined in decoder api speex.c
+
+#ifndef RELEASE
+void print_vec(float *vec, int len, char *name)
+{
+/*   int i;
+   printf ("%s ", name);
+   for (i=0;i<len;i++)
+      printf (" %f", vec[i]);
+   printf ("\n");*/
+}
+#endif
+
+#ifdef FIXED_DEBUG
+long long spx_mips=0;
+#endif
+
+
+spx_uint32_t be_int(spx_uint32_t i)
+{
+   spx_uint32_t ret=i;
+#ifndef ROCKBOX_BIG_ENDIAN
+   ret =  i>>24;
+   ret += (i>>8)&0x0000ff00;
+   ret += (i<<8)&0x00ff0000;
+   ret += (i<<24);
+#endif
+   return ret;
+}
+
+spx_uint32_t le_int(spx_uint32_t i)
+{
+   spx_uint32_t ret=i;
+#ifdef ROCKBOX_BIG_ENDIAN
+   ret =  i>>24;
+   ret += (i>>8)&0x0000ff00;
+   ret += (i<<8)&0x00ff0000;
+   ret += (i<<24);
+#endif
+   return ret;
+}
+
+#if BYTES_PER_CHAR == 2
+void speex_memcpy_bytes(char *dst, char *src, int nbytes)
+{
+  int i;
+  int nchars = nbytes/BYTES_PER_CHAR;
+  for (i=0;i<nchars;i++)
+    dst[i]=src[i];
+  if (nbytes & 1) {
+    /* copy in the last byte */
+    int last_i = nchars;
+    char last_dst_char = dst[last_i];
+    char last_src_char = src[last_i];
+    last_dst_char &= 0xff00;
+    last_dst_char |= (last_src_char & 0x00ff);
+    dst[last_i] = last_dst_char;
+  }
+}
+void speex_memset_bytes(char *dst, char c, int nbytes)
+{
+  int i;
+  spx_int16_t cc = ((c << 8) | c);
+  int nchars = nbytes/BYTES_PER_CHAR;
+  for (i=0;i<nchars;i++)
+    dst[i]=cc;
+  if (nbytes & 1) {
+    /* copy in the last byte */
+    int last_i = nchars;
+    char last_dst_char = dst[last_i];
+    last_dst_char &= 0xff00;
+    last_dst_char |= (c & 0x00ff);
+    dst[last_i] = last_dst_char;
+  }
+}
+#else
+void speex_memcpy_bytes(char *dst, char *src, int nbytes)
+{
+  memcpy(dst, src, nbytes);
+}
+void speex_memset_bytes(char *dst, char src, int nbytes)
+{
+  memset(dst, src, nbytes);
+}
+#endif
+
+#ifndef OVERRIDE_SPEEX_ALLOC
+void *speex_alloc (int size)
+{
+   //printf("CLC:%d\n",size);
+   return codec_calloc(size,1);
+}
+#endif
+
+#ifndef OVERRIDE_SPEEX_ALLOC_SCRATCH
+void *speex_alloc_scratch (int size)
+{
+   //printf("CLCS:%d\n",size);
+   return codec_calloc(size,1);
+}
+#endif
+
+#ifndef OVERRIDE_SPEEX_REALLOC
+void *speex_realloc (void *ptr, int size)
+{
+   //printf("CLCR:%d\n",size);
+   return codec_realloc(ptr, size);
+}
+#endif
+
+#ifndef OVERRIDE_SPEEX_FREE
+void speex_free (void *ptr)
+{
+   //printf("CLF:%d\n",ptr);
+   codec_free(ptr);
+}
+#endif
+
+#ifndef OVERRIDE_SPEEX_FREE_SCRATCH
+void speex_free_scratch (void *ptr)
+{
+   codec_free(ptr);
+}
+#endif
+
+#ifndef OVERRIDE_SPEEX_MOVE
+void *speex_move (void *dest, void *src, int n)
+{
+   return memmove(dest,src,n);
+}
+#endif
+
+#ifndef OVERRIDE_SPEEX_ERROR
+void speex_error(const char *str)
+{
+   //fprintf ("Fatal error: %s\n", str);
+   //exit(1);
+}
+#endif
+
+#ifndef OVERRIDE_SPEEX_WARNING
+void speex_warning(const char *str)
+{
+   //fprintf ("warning: %s\n", str);
+}
+#endif
+
+#ifndef OVERRIDE_SPEEX_WARNING_INT
+void speex_warning_int(const char *str, int val)
+{
+   //printf ("warning: %s %d\n", str, val);
+}
+#endif
+
+#define FIXED_POINT
+#ifdef FIXED_POINT
+spx_word16_t speex_rand(spx_word16_t std, spx_int32_t *seed)
+{
+//    spx_word32_t res;
+//    *seed = 1664525 * *seed + 1013904223;
+//    res = MULT16_16(EXTRACT16(SHR32(*seed,16)),std);
+//    return PSHR32(SUB32(res, SHR(res, 3)),14);
+      return 0;
+}
+#else
+spx_word16_t speex_rand(spx_word16_t std, spx_int32_t *seed)
+{
+//    const unsigned int jflone = 0x3f800000;
+//    const unsigned int jflmsk = 0x007fffff;
+//    union {int i; float f;} ran;
+//    *seed = 1664525 * *seed + 1013904223;
+//    ran.i = jflone | (jflmsk & *seed);
+//    ran.f -= 1.5;
+//    return 3.4642*std*ran.f;
+      return 0;
+}
+#endif
+/*#define RAND_MAX_VEC 32767*/
+void speex_rand_vec(float std, spx_sig_t *data, int len)
+{
+/*   int i;
+   for (i=0;i<len;i++)
+      data[i]+=SIG_SCALING*3*std*((((float)(speex_rand(RAND_MAX_VEC,10)))/RAND_MAX_VEC)-.5);*/
+}
+
+ #ifndef OVERRIDE_SPEEX_PUTC
+ void _speex_putc(int ch, void *file)
+ {
+    //FILE *f = (FILE *)file;
+    //printf("%c", ch);
+ }
+ #endif