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tests/check/elements/audioconvert.c: Added check for correct clipping when doing float samples in audioconvert.

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Original commit message from CVS:
* tests/check/elements/audioconvert.c: (get_float_caps),
(GST_START_TEST), (audioconvert_suite):
Added check for correct clipping when doing float samples
in audioconvert.
This commit is contained in:
Wim Taymans 2006-04-28 14:22:16 +00:00
parent e6da668a05
commit b01a267aa1
2 changed files with 48 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2006-04-28 Wim Taymans <wim@fluendo.com>
* tests/check/elements/audioconvert.c: (get_float_caps),
(GST_START_TEST), (audioconvert_suite):
Added check for correct clipping when doing float samples
in audioconvert.
2006-04-28 Wim Taymans <wim@fluendo.com>
* gst/videorate/gstvideorate.c: (gst_video_rate_event),

42
tests/check/elements/audioconvert.c
View file

@ -139,6 +139,26 @@ get_int_caps (guint channels, gchar * endianness, guint width,
return caps;
}
/* returns a newly allocated caps */
static GstCaps *
get_float_caps (guint channels, gchar * endianness, guint width)
{
GstCaps *caps;
gchar *string;
string = g_strdup_printf ("audio/x-raw-float, "
"rate = (int) 44100, "
"channels = (int) %d, "
"endianness = (int) %s, "
"width = (int) %d ", channels, endianness, width);
GST_DEBUG ("creating caps from %s", string);
caps = gst_caps_from_string (string);
g_free (string);
fail_unless (caps != NULL);
GST_DEBUG ("returning caps %p", caps);
return caps;
}
/* eats the refs to the caps */
static void
verify_convert (void *in, int inlength,
@ -283,6 +303,25 @@ GST_START_TEST (test_int_conversion)
GST_END_TEST;
GST_START_TEST (test_float_conversion)
{
/* float32 <-> 16 signed */
/* NOTE: if audioconvert was doing dithering we'd have a problem */
{
gfloat in[] = { 0.0, 1.0, -1.0, 0.5, -0.5, 1.1, -1.1 };
gint16 out[] = { 0, 32767, -32768, 16384, -16384, 32767, -32768 };
/* only one direction conversion, the other direction does
* not produce exactly the same as the input due to floating
* point rounding errors etc. */
RUN_CONVERSION (in, get_float_caps (1, "BYTE_ORDER", 32),
out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE)
);
}
}
GST_END_TEST;
Suite *
audioconvert_suite (void)
@ -292,7 +331,8 @@ audioconvert_suite (void)
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_int16);
//tcase_add_test (tc_chain, test_int_conversion);
tcase_add_test (tc_chain, test_int_conversion);
tcase_add_test (tc_chain, test_float_conversion);
return s;
}