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initial commit. This is icculus version 5542b94cae02a6333845854bbbd1abe0a259f1a4

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fgenesis 2011-08-03 22:05:33 +02:00
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ExternalLibs/libvorbis-1.3.1/test/Makefile.am Normal file
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## Process this file with automake to produce Makefile.in
AUTOMAKE_OPTIONS = foreign
INCLUDES = -I$(top_srcdir)/include @OGG_CFLAGS@
check_PROGRAMS = test
check: $(check_PROGRAMS)
./test$(EXEEXT)
test_SOURCES = util.c util.h write_read.c write_read.h test.c
test_LDADD = ../lib/libvorbisenc.la ../lib/libvorbis.la @OGG_LIBS@
debug:
$(MAKE) all CFLAGS="@DEBUG@"
profile:
$(MAKE) all CFLAGS="@PROFILE@"

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# This Makefile.in is free software; the Free Software Foundation
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# with or without modifications, as long as this notice is preserved.
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: vorbis coded test suite using vorbisfile
last mod: $Id: test.c 13293 2007-07-24 00:09:47Z erikd $
********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "util.h"
#include "write_read.h"
#define DATA_LEN 2048
#define MAX(a,b) ((a) > (b) ? (a) : (b))
static int check_output (const float * data_in, unsigned len, float allowable);
int
main(void){
static float data_out [DATA_LEN] ;
static float data_in [DATA_LEN] ;
/* Do safest and most used sample rates first. */
int sample_rates [] = { 44100, 48000, 32000, 22050, 16000, 96000 } ;
unsigned k ;
int errors = 0 ;
int ch;
gen_windowed_sine (data_out, ARRAY_LEN (data_out), 0.95);
for(ch=1;ch<=8;ch++){
float q=-.05;
printf("\nTesting %d channel%s\n\n",ch,ch==1?"":"s");
while(q<1.){
for (k = 0 ; k < ARRAY_LEN (sample_rates); k ++) {
char filename [64] ;
snprintf (filename, sizeof (filename), "vorbis_%dch_q%.1f_%u.ogg", ch,q*10,sample_rates [k]);
printf (" %-20s : ", filename);
fflush (stdout);
/* Set to know value. */
set_data_in (data_in, ARRAY_LEN (data_in), 3.141);
write_vorbis_data_or_die (filename, sample_rates [k], q, data_out, ARRAY_LEN (data_out),ch);
read_vorbis_data_or_die (filename, sample_rates [k], data_in, ARRAY_LEN (data_in));
if (check_output (data_in, ARRAY_LEN (data_in), (.15f - .1f*q)) != 0)
errors ++ ;
else {
puts ("ok");
remove (filename);
}
}
q+=.1;
}
}
if (errors)
exit (1);
return 0;
}
static int
check_output (const float * data_in, unsigned len, float allowable)
{
float max_abs = 0.0 ;
unsigned k ;
for (k = 0 ; k < len ; k++) {
float temp = fabs (data_in [k]);
max_abs = MAX (max_abs, temp);
}
if (max_abs < 0.95-allowable) {
printf ("Error : max_abs (%f) too small.\n", max_abs);
return 1 ;
} else if (max_abs > .95+allowable) {
printf ("Error : max_abs (%f) too big.\n", max_abs);
return 1 ;
}
return 0 ;
}

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: utility functions for vorbis codec test suite.
last mod: $Id: util.c 13293 2007-07-24 00:09:47Z erikd $
********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <errno.h>
#include <vorbis/codec.h>
#include <vorbis/vorbisenc.h>
#include "util.h"
void
gen_windowed_sine (float *data, int len, float maximum)
{ int k ;
memset (data, 0, len * sizeof (float)) ;
len /= 2 ;
for (k = 0 ; k < len ; k++)
{ data [k] = sin (2.0 * k * M_PI * 1.0 / 32.0 + 0.4) ;
/* Apply Hanning Window. */
data [k] *= maximum * (0.5 - 0.5 * cos (2.0 * M_PI * k / ((len) - 1))) ;
}
return ;
}
void
set_data_in (float * data, unsigned len, float value)
{ unsigned k ;
for (k = 0 ; k < len ; k++)
data [k] = value ;
}

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ExternalLibs/libvorbis-1.3.1/test/util.h Normal file
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: utility functions for vorbis codec test suite.
last mod: $Id: util.c 13293 2007-07-24 00:09:47Z erikd $
********************************************************************/
#define ARRAY_LEN(x) (sizeof(x)/sizeof(x[0]))
/* Create simple test data consisting of a windowed sine wave. */
void gen_windowed_sine (float *data, int len, float maximum) ;
/* Set len values of data array to given value. */
void set_data_in (float * data, unsigned len, float value) ;

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ExternalLibs/libvorbis-1.3.1/test/write_read.c Normal file
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: utility functions for vorbis codec test suite.
last mod: $Id: util.c 13293 2007-07-24 00:09:47Z erikd $
********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <errno.h>
#include <vorbis/codec.h>
#include <vorbis/vorbisenc.h>
#include "write_read.h"
/* The following function is basically a hacked version of the code in
* examples/encoder_example.c */
void
write_vorbis_data_or_die (const char *filename, int srate, float q, const float * data, int count, int ch)
{
FILE * file ;
ogg_stream_state os;
ogg_page og;
ogg_packet op;
vorbis_info vi;
vorbis_comment vc;
vorbis_dsp_state vd;
vorbis_block vb;
int eos = 0, ret;
if ((file = fopen (filename, "wb")) == NULL) {
printf("\n\nError : fopen failed : %s\n", strerror (errno)) ;
exit (1) ;
}
/********** Encode setup ************/
vorbis_info_init (&vi);
ret = vorbis_encode_init_vbr (&vi,ch,srate,q);
if (ret) {
printf ("vorbis_encode_init_vbr return %d\n", ret) ;
exit (1) ;
}
vorbis_comment_init (&vc);
vorbis_comment_add_tag (&vc,"ENCODER","test/util.c");
vorbis_analysis_init (&vd,&vi);
vorbis_block_init (&vd,&vb);
ogg_stream_init (&os,12345678);
{
ogg_packet header;
ogg_packet header_comm;
ogg_packet header_code;
vorbis_analysis_headerout (&vd,&vc,&header,&header_comm,&header_code);
ogg_stream_packetin (&os,&header);
ogg_stream_packetin (&os,&header_comm);
ogg_stream_packetin (&os,&header_code);
/* Ensures the audio data will start on a new page. */
while (!eos){
int result = ogg_stream_flush (&os,&og);
if (result == 0)
break;
fwrite (og.header,1,og.header_len,file);
fwrite (og.body,1,og.body_len,file);
}
}
{
/* expose the buffer to submit data */
float **buffer = vorbis_analysis_buffer (&vd,count);
int i;
for(i=0;i<ch;i++)
memcpy (buffer [i], data, count * sizeof (float)) ;
/* tell the library how much we actually submitted */
vorbis_analysis_wrote (&vd,count);
vorbis_analysis_wrote (&vd,0);
}
while (vorbis_analysis_blockout (&vd,&vb) == 1) {
vorbis_analysis (&vb,NULL);
vorbis_bitrate_addblock (&vb);
while (vorbis_bitrate_flushpacket (&vd,&op)) {
ogg_stream_packetin (&os,&op);
while (!eos) {
int result = ogg_stream_pageout (&os,&og);
if (result == 0)
break;
fwrite (og.header,1,og.header_len,file);
fwrite (og.body,1,og.body_len,file);
if (ogg_page_eos (&og))
eos = 1;
}
}
}
ogg_stream_clear (&os);
vorbis_block_clear (&vb);
vorbis_dsp_clear (&vd);
vorbis_comment_clear (&vc);
vorbis_info_clear (&vi);
fclose (file) ;
}
/* The following function is basically a hacked version of the code in
* examples/decoder_example.c */
void
read_vorbis_data_or_die (const char *filename, int srate, float * data, int count)
{
ogg_sync_state oy;
ogg_stream_state os;
ogg_page og;
ogg_packet op;
vorbis_info vi;
vorbis_comment vc;
vorbis_dsp_state vd;
vorbis_block vb;
FILE *file;
char *buffer;
int bytes;
int eos = 0;
int i;
int read_total = 0 ;
if ((file = fopen (filename, "rb")) == NULL) {
printf("\n\nError : fopen failed : %s\n", strerror (errno)) ;
exit (1) ;
}
ogg_sync_init (&oy);
{
/* fragile! Assumes all of our headers will fit in the first 8kB,
which currently they will */
buffer = ogg_sync_buffer (&oy,8192);
bytes = fread (buffer,1,8192,file);
ogg_sync_wrote (&oy,bytes);
if(ogg_sync_pageout (&oy,&og) != 1) {
if(bytes < 8192) {
printf ("Out of data.\n") ;
goto done_decode ;
}
fprintf (stderr,"Input does not appear to be an Ogg bitstream.\n");
exit (1);
}
ogg_stream_init (&os,ogg_page_serialno(&og));
vorbis_info_init (&vi);
vorbis_comment_init (&vc);
if (ogg_stream_pagein (&os,&og) < 0) {
fprintf (stderr,"Error reading first page of Ogg bitstream data.\n");
exit (1);
}
if (ogg_stream_packetout(&os,&op) != 1) {
fprintf (stderr,"Error reading initial header packet.\n");
exit (1);
}
if (vorbis_synthesis_headerin (&vi,&vc,&op) < 0) {
fprintf (stderr,"This Ogg bitstream does not contain Vorbis "
"audio data.\n");
exit (1);
}
i = 0;
while ( i < 2) {
while (i < 2) {
int result = ogg_sync_pageout (&oy,&og);
if(result == 0)
break;
if(result==1) {
ogg_stream_pagein(&os,&og);
while (i < 2) {
result = ogg_stream_packetout (&os,&op);
if (result == 0) break;
if (result < 0) {
fprintf (stderr,"Corrupt secondary header. Exiting.\n");
exit(1);
}
vorbis_synthesis_headerin (&vi,&vc,&op);
i++;
}
}
}
buffer = ogg_sync_buffer (&oy,4096);
bytes = fread (buffer,1,4096,file);
if (bytes == 0 && i < 2) {
fprintf (stderr,"End of file before finding all Vorbis headers!\n");
exit (1);
}
ogg_sync_wrote (&oy,bytes);
}
if (vi.rate != srate) {
printf ("\n\nError : File '%s' has sample rate of %ld when it should be %d.\n\n", filename, vi.rate, srate);
exit (1) ;
}
vorbis_synthesis_init (&vd,&vi);
vorbis_block_init (&vd,&vb);
while(!eos) {
while (!eos) {
int result = ogg_sync_pageout (&oy,&og);
if (result == 0)
break;
if (result < 0) {
fprintf (stderr,"Corrupt or missing data in bitstream; "
"continuing...\n");
} else {
ogg_stream_pagein (&os,&og);
while (1) {
result = ogg_stream_packetout (&os,&op);
if (result == 0)
break;
if (result < 0) {
/* no reason to complain; already complained above */
} else {
float **pcm;
int samples;
if (vorbis_synthesis (&vb,&op) == 0)
vorbis_synthesis_blockin(&vd,&vb);
while ((samples = vorbis_synthesis_pcmout (&vd,&pcm)) > 0 && read_total < count) {
int bout = samples < count ? samples : count;
bout = read_total + bout > count ? count - read_total : bout;
memcpy (data + read_total, pcm[0], bout * sizeof (float)) ;
vorbis_synthesis_read (&vd,bout);
read_total += bout ;
}
}
}
if (ogg_page_eos (&og)) eos = 1;
}
}
if (!eos) {
buffer = ogg_sync_buffer (&oy,4096);
bytes = fread (buffer,1,4096,file);
ogg_sync_wrote (&oy,bytes);
if (bytes == 0) eos = 1;
}
}
ogg_stream_clear (&os);
vorbis_block_clear (&vb);
vorbis_dsp_clear (&vd);
vorbis_comment_clear (&vc);
vorbis_info_clear (&vi);
}
done_decode:
/* OK, clean up the framer */
ogg_sync_clear (&oy);
fclose (file) ;
}

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ExternalLibs/libvorbis-1.3.1/test/write_read.h Normal file
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/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: utility functions for vorbis codec test suite.
last mod: $Id: util.c 13293 2007-07-24 00:09:47Z erikd $
********************************************************************/
/* Write supplied data to an Ogg/Vorbis file with specified filename at
* specified sample rate. Assumes a single channel of audio. */
void write_vorbis_data_or_die (const char *filename, int srate, float q,
const float * data, int count, int ch) ;
/* Read given Ogg/Vorbis file into data specified data array. This
* function is basically the inverse of the one above. Again, assumes
* a single channel of audio. */
void read_vorbis_data_or_die (const char *filename, int srate,
float * data, int count) ;