From 74f4b1bc3b627ba4c7e03498234d88cacdfbe97b Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Wed, 29 Sep 2021 22:52:49 +0200
Subject: Squashed 'vorbis/' content from commit d22c3ab5f

git-subtree-dir: vorbis
git-subtree-split: d22c3ab5f633460abc2532feee60ca0892134cbf
---
 test/Makefile.am  |  19 ++++
 test/test.c       |  99 ++++++++++++++++++
 test/util.c       |  52 ++++++++++
 test/util.h       |  23 +++++
 test/write_read.c | 297 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 test/write_read.h |  27 +++++
 6 files changed, 517 insertions(+)
 create mode 100644 test/Makefile.am
 create mode 100644 test/test.c
 create mode 100644 test/util.c
 create mode 100644 test/util.h
 create mode 100644 test/write_read.c
 create mode 100644 test/write_read.h

(limited to 'test')

diff --git a/test/Makefile.am b/test/Makefile.am
new file mode 100644
index 0000000..b68ebdb
--- /dev/null
+++ b/test/Makefile.am
@@ -0,0 +1,19 @@
+## Process this file with automake to produce Makefile.in
+
+AUTOMAKE_OPTIONS = foreign
+
+check_PROGRAMS = test
+
+check: $(check_PROGRAMS)
+	./test$(EXEEXT)
+
+AM_CPPFLAGS = -I$(top_srcdir)/include @OGG_CFLAGS@
+
+test_SOURCES = util.c util.h write_read.c write_read.h test.c
+test_LDADD = ../lib/libvorbisenc.la ../lib/libvorbis.la @OGG_LIBS@ @VORBIS_LIBS@
+
+debug:
+	$(MAKE) check CFLAGS="@DEBUG@"
+
+profile:
+	$(MAKE) check CFLAGS="@PROFILE@"
diff --git a/test/test.c b/test/test.c
new file mode 100644
index 0000000..fe1648d
--- /dev/null
+++ b/test/test.c
@@ -0,0 +1,99 @@
+/********************************************************************
+ *                                                                  *
+ * 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
+
+ ********************************************************************/
+
+#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 ;
+}
+
diff --git a/test/util.c b/test/util.c
new file mode 100644
index 0000000..2ab7483
--- /dev/null
+++ b/test/util.c
@@ -0,0 +1,52 @@
+/********************************************************************
+ *                                                                  *
+ * 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.
+
+ ********************************************************************/
+
+#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 ;
+}
diff --git a/test/util.h b/test/util.h
new file mode 100644
index 0000000..85f8d4f
--- /dev/null
+++ b/test/util.h
@@ -0,0 +1,23 @@
+/********************************************************************
+ *                                                                  *
+ * 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.
+
+ ********************************************************************/
+
+#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) ;
diff --git a/test/write_read.c b/test/write_read.c
new file mode 100644
index 0000000..f1190dc
--- /dev/null
+++ b/test/write_read.c
@@ -0,0 +1,297 @@
+/********************************************************************
+ *                                                                  *
+ * 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.
+
+ ********************************************************************/
+
+#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) ;
+}
+
diff --git a/test/write_read.h b/test/write_read.h
new file mode 100644
index 0000000..c50c483
--- /dev/null
+++ b/test/write_read.h
@@ -0,0 +1,27 @@
+/********************************************************************
+ *                                                                  *
+ * 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.
+
+ ********************************************************************/
+
+/* 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) ;
+
-- 
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