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/*
* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
*
* formats.c: Tests the different formats on alsasink
*
* This library 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 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "sinesrc.h"
GstElement *pipeline;
gint channels = 1;
gboolean sign = FALSE;
gint endianness = G_LITTLE_ENDIAN;
gint depth = 8;
gint width = 8;
#define NUMBER_OF_INT_TESTS 28
#define NUMBER_OF_FLOAT_TESTS 2
#define NUMBER_OF_LAW_TESTS 2
gint last = 0;
gint counter = 0;
static void create_pipeline (void);
static void
pre_get_func (SineSrc * src)
{
counter++;
};
static void
create_pipeline (void)
{
GstElement *src;
SineSrc *sinesrc;
GstElement *alsasink;
pipeline = gst_pipeline_new ("pipeline");
src = sinesrc_new ();
alsasink = gst_element_factory_make ("alsasink", "alsasink");
gst_bin_add_many (GST_BIN (pipeline), src, alsasink, NULL);
gst_element_link (src, alsasink);
/* prepare our sinesrc */
sinesrc = (SineSrc *) src;
sinesrc->pre_get_func = pre_get_func;
sinesrc->newcaps = TRUE;
/* int tests */
if (last < NUMBER_OF_INT_TESTS) {
sinesrc->type = SINE_SRC_INT;
sinesrc->sign = ((last % 2) == 0) ? TRUE : FALSE;
sinesrc->endianness =
((last / 2) % 2 == 0) ? G_LITTLE_ENDIAN : G_BIG_ENDIAN;
switch ((last / 4) % 8) {
case 0:
sinesrc->depth = 8;
sinesrc->width = 8;
break;
case 1:
sinesrc->depth = 16;
sinesrc->width = 16;
break;
case 2:
sinesrc->depth = 24;
sinesrc->width = 32;
break;
case 3:
sinesrc->depth = 32;
sinesrc->width = 32;
break;
/* nomore tests below until i know what 24bit width means to alsa wrt endianness */
case 4:
sinesrc->depth = 24;
sinesrc->width = 24;
break;
case 5:
sinesrc->depth = 20;
sinesrc->width = 24;
break;
case 6:
sinesrc->depth = 18;
sinesrc->width = 24;
break;
case 7:
/* not used yet */
sinesrc->depth = 8;
sinesrc->width = 8;
break;
default:
g_assert_not_reached ();
}
g_print ("Setting format to: format: \"int\"\n"
" sign: %s\n"
" endianness: %d\n"
" width: %d\n"
" depth: %d\n",
sinesrc->sign ? "TRUE" : "FALSE", sinesrc->endianness,
sinesrc->width, sinesrc->depth);
} else if (last < NUMBER_OF_INT_TESTS + NUMBER_OF_FLOAT_TESTS) {
gint temp = last - NUMBER_OF_INT_TESTS;
sinesrc->type = SINE_SRC_FLOAT;
switch (temp) {
case 0:
sinesrc->width = 32;
break;
case 1:
sinesrc->width = 64;
break;
default:
g_assert_not_reached ();
}
g_print ("Setting format to float width %d\n", sinesrc->width);
} else if (last <
NUMBER_OF_INT_TESTS + NUMBER_OF_FLOAT_TESTS + NUMBER_OF_LAW_TESTS) {
gint temp = last - NUMBER_OF_INT_TESTS - NUMBER_OF_FLOAT_TESTS;
GstElement *law;
sinesrc->type = SINE_SRC_INT;
sinesrc->sign = TRUE;
sinesrc->endianness = G_BYTE_ORDER;
sinesrc->depth = 16;
sinesrc->width = 16;
if (temp == 0) {
law = gst_element_factory_make ("mulawenc", "mulaw");
} else {
law = gst_element_factory_make ("alawenc", "alaw");
}
g_assert (law);
gst_element_unlink (src, alsasink);
gst_bin_add (GST_BIN (pipeline), law);
gst_element_link_many (src, law, alsasink, NULL);
if (temp == 0) {
g_print ("Setting format to: format: \"MU law\"\n");
} else {
g_print ("Setting format to: format: \"A law\"\n");
}
} else {
g_print ("All formats work like a charm.\n");
exit (0);
}
gst_element_set_state (pipeline, GST_STATE_PLAYING);
}
gint
main (gint argc, gchar * argv[])
{
gst_init (&argc, &argv);
g_print ("\n"
"This test will test the various formats ALSA and GStreamer support.\n"
"You will hear a short sine tone on your default ALSA soundcard for every\n"
"format tested. They should all sound the same (incl. volume).\n" "\n");
create_pipeline ();
while (pipeline) {
gst_bin_iterate (GST_BIN (pipeline));
if ((counter / 200) > last) {
last = counter / 200;
gst_object_unref (pipeline);
create_pipeline ();
}
}
return 0;
}
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