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test: add unit test for the PCM library

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This commit is contained in:
Max Kellermann
2011-10-09 13:22:08 +02:00
parent c9a57d354d
commit 572d8d0cc4
7 changed files with 427 additions and 0 deletions
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12
Makefile.am
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@@ -937,6 +937,7 @@ sparse-check:
if ENABLE_TEST
C_TESTS = \
test/test_pcm \
test/test_queue_priority
TESTS = $(C_TESTS)
@@ -1193,6 +1194,17 @@ test_run_inotify_SOURCES = test/run_inotify.c \
test_run_inotify_LDADD = $(GLIB_LIBS)
endif
test_test_pcm_SOURCES = \
test/test_pcm_dither.c \
test/test_pcm_pack.c \
test/test_pcm_channels.c \
test/test_pcm_byteswap.c \
test/test_pcm_all.h \
test/test_pcm_main.c
test_test_pcm_LDADD = \
$(PCM_LIBS) \
$(GLIB_LIBS)
test_test_queue_priority_SOURCES = \
src/queue.c \
test/test_queue_priority.c

47
test/test_pcm_all.h Normal file
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@@ -0,0 +1,47 @@
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_TEST_PCM_ALL_H
#define MPD_TEST_PCM_ALL_H
void
test_pcm_dither_24(void);
void
test_pcm_dither_32(void);
void
test_pcm_pack_24(void);
void
test_pcm_unpack_24(void);
void
test_pcm_channels_16(void);
void
test_pcm_channels_32(void);
void
test_pcm_byteswap_16(void);
void
test_pcm_byteswap_32(void);
#endif

62
test/test_pcm_byteswap.c Normal file
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@@ -0,0 +1,62 @@
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "test_pcm_all.h"
#include "pcm_byteswap.h"
#include "pcm_buffer.h"
#include <glib.h>
void
test_pcm_byteswap_16(void)
{
enum { N = 256 };
int16_t src[N];
for (unsigned i = 0; i < G_N_ELEMENTS(src); ++i)
src[i] = g_random_int();
struct pcm_buffer buffer;
pcm_buffer_init(&buffer);
const int16_t *dest = pcm_byteswap_16(&buffer, src, sizeof(src));
g_assert(dest != NULL);
for (unsigned i = 0; i < N; ++i)
g_assert_cmpint(dest[i], ==,
(int16_t)GUINT16_SWAP_LE_BE(src[i]));
}
void
test_pcm_byteswap_32(void)
{
enum { N = 256 };
int32_t src[N];
for (unsigned i = 0; i < G_N_ELEMENTS(src); ++i)
src[i] = g_random_int();
struct pcm_buffer buffer;
pcm_buffer_init(&buffer);
const int32_t *dest = pcm_byteswap_32(&buffer, src, sizeof(src));
g_assert(dest != NULL);
for (unsigned i = 0; i < N; ++i)
g_assert_cmpint(dest[i], ==,
(int32_t)GUINT32_SWAP_LE_BE(src[i]));
}

100
test/test_pcm_channels.c Normal file
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@@ -0,0 +1,100 @@
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "test_pcm_all.h"
#include "pcm_channels.h"
#include "pcm_buffer.h"
#include <glib.h>
void
test_pcm_channels_16(void)
{
enum { N = 256 };
int16_t src[N * 2];
for (unsigned i = 0; i < G_N_ELEMENTS(src); ++i)
src[i] = g_random_int();
struct pcm_buffer buffer;
pcm_buffer_init(&buffer);
/* stereo to mono */
size_t dest_size;
const int16_t *dest =
pcm_convert_channels_16(&buffer, 1, 2, src, sizeof(src),
&dest_size);
g_assert(dest != NULL);
g_assert_cmpint(dest_size, ==, sizeof(src) / 2);
for (unsigned i = 0; i < N; ++i)
g_assert_cmpint(dest[i], ==,
(src[i * 2] + src[i * 2 + 1]) / 2);
/* mono to stereo */
dest = pcm_convert_channels_16(&buffer, 2, 1, src, sizeof(src),
&dest_size);
g_assert(dest != NULL);
g_assert_cmpint(dest_size, ==, sizeof(src) * 2);
for (unsigned i = 0; i < N; ++i) {
g_assert_cmpint(dest[i * 2], ==, src[i]);
g_assert_cmpint(dest[i * 2 + 1], ==, src[i]);
}
pcm_buffer_deinit(&buffer);
}
void
test_pcm_channels_32(void)
{
enum { N = 256 };
int32_t src[N * 2];
for (unsigned i = 0; i < G_N_ELEMENTS(src); ++i)
src[i] = g_random_int();
struct pcm_buffer buffer;
pcm_buffer_init(&buffer);
/* stereo to mono */
size_t dest_size;
const int32_t *dest =
pcm_convert_channels_32(&buffer, 1, 2, src, sizeof(src),
&dest_size);
g_assert(dest != NULL);
g_assert_cmpint(dest_size, ==, sizeof(src) / 2);
for (unsigned i = 0; i < N; ++i)
g_assert_cmpint(dest[i], ==,
((int64_t)src[i * 2] + (int64_t)src[i * 2 + 1]) / 2);
/* mono to stereo */
dest = pcm_convert_channels_32(&buffer, 2, 1, src, sizeof(src),
&dest_size);
g_assert(dest != NULL);
g_assert_cmpint(dest_size, ==, sizeof(src) * 2);
for (unsigned i = 0; i < N; ++i) {
g_assert_cmpint(dest[i * 2], ==, src[i]);
g_assert_cmpint(dest[i * 2 + 1], ==, src[i]);
}
pcm_buffer_deinit(&buffer);
}

79
test/test_pcm_dither.c Normal file
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@@ -0,0 +1,79 @@
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "test_pcm_all.h"
#include "pcm_dither.h"
#include <glib.h>
/**
* Generate a random 24 bit PCM sample.
*/
static int32_t
random24(void)
{
int32_t x = g_random_int() & 0xffffff;
if (x & 0x800000)
x |= 0xff000000;
return x;
}
void
test_pcm_dither_24(void)
{
struct pcm_dither dither;
pcm_dither_24_init(&dither);
enum { N = 256 };
int32_t src[N];
for (unsigned i = 0; i < N; ++i)
src[i] = random24();
int16_t dest[N];
pcm_dither_24_to_16(&dither, dest, src, N);
for (unsigned i = 0; i < N; ++i) {
g_assert_cmpint(dest[i], >=, (src[i] >> 8) - 8);
g_assert_cmpint(dest[i], <, (src[i] >> 8) + 8);
}
}
void
test_pcm_dither_32(void)
{
struct pcm_dither dither;
pcm_dither_24_init(&dither);
enum { N = 256 };
int32_t src[N];
for (unsigned i = 0; i < N; ++i)
src[i] = g_random_int();
int16_t dest[N];
pcm_dither_32_to_16(&dither, dest, src, N);
for (unsigned i = 0; i < N; ++i) {
g_assert_cmpint(dest[i], >=, (src[i] >> 16) - 8);
g_assert_cmpint(dest[i], <, (src[i] >> 16) + 8);
}
}

38
test/test_pcm_main.c Normal file
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@@ -0,0 +1,38 @@
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "test_pcm_all.h"
#include <glib.h>
int
main(int argc, char **argv)
{
g_test_init (&argc, &argv, NULL);
g_test_add_func("/pcm/dither/24", test_pcm_dither_24);
g_test_add_func("/pcm/dither/32", test_pcm_dither_32);
g_test_add_func("/pcm/pack/pack24", test_pcm_pack_24);
g_test_add_func("/pcm/pack/unpack24", test_pcm_unpack_24);
g_test_add_func("/pcm/channels/16", test_pcm_channels_16);
g_test_add_func("/pcm/channels/32", test_pcm_channels_32);
g_test_add_func("/pcm/byteswap/16", test_pcm_byteswap_16);
g_test_add_func("/pcm/byteswap/32", test_pcm_byteswap_32);
g_test_run();
}

89
test/test_pcm_pack.c Normal file
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@@ -0,0 +1,89 @@
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "test_pcm_all.h"
#include "pcm_pack.h"
#include <glib.h>
/**
* Generate a random 24 bit PCM sample.
*/
static int32_t
random24(void)
{
int32_t x = g_random_int() & 0xffffff;
if (x & 0x800000)
x |= 0xff000000;
return x;
}
void
test_pcm_pack_24(void)
{
enum { N = 256 };
int32_t src[N * 3];
for (unsigned i = 0; i < N; ++i)
src[i] = random24();
uint8_t dest[N * 3];
pcm_pack_24(dest, src, N, false);
for (unsigned i = 0; i < N; ++i) {
int32_t d;
if (G_BYTE_ORDER == G_BIG_ENDIAN)
d = (dest[i * 3] << 16) | (dest[i * 3 + 1] << 8)
| dest[i * 3 + 2];
else
d = (dest[i * 3 + 2] << 16) | (dest[i * 3 + 1] << 8)
| dest[i * 3];
if (d & 0x800000)
d |= 0xff000000;
g_assert_cmpint(d, ==, src[i]);
}
}
void
test_pcm_unpack_24(void)
{
enum { N = 256 };
uint8_t src[N * 3];
for (unsigned i = 0; i < G_N_ELEMENTS(src); ++i)
src[i] = g_random_int_range(0, 256);
int32_t dest[N];
pcm_unpack_24(dest, src, N, false);
for (unsigned i = 0; i < N; ++i) {
int32_t s;
if (G_BYTE_ORDER == G_BIG_ENDIAN)
s = (src[i * 3] << 16) | (src[i * 3 + 1] << 8)
| src[i * 3 + 2];
else
s = (src[i * 3 + 2] << 16) | (src[i * 3 + 1] << 8)
| src[i * 3];
if (s & 0x800000)
s |= 0xff000000;
g_assert_cmpint(s, ==, dest[i]);
}
}