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tests/check/elements/audioconvert.c: Added check for correct clipping when doing float samples in audioconvert.
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.
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2 changed files with 48 additions and 1 deletions
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@ -1,3 +1,10 @@
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2006-04-28 Wim Taymans <wim@fluendo.com>
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* tests/check/elements/audioconvert.c: (get_float_caps),
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(GST_START_TEST), (audioconvert_suite):
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Added check for correct clipping when doing float samples
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in audioconvert.
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2006-04-28 Wim Taymans <wim@fluendo.com>
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* gst/videorate/gstvideorate.c: (gst_video_rate_event),
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@ -139,6 +139,26 @@ get_int_caps (guint channels, gchar * endianness, guint width,
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return caps;
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}
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/* returns a newly allocated caps */
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static GstCaps *
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get_float_caps (guint channels, gchar * endianness, guint width)
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{
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GstCaps *caps;
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gchar *string;
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string = g_strdup_printf ("audio/x-raw-float, "
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"rate = (int) 44100, "
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"channels = (int) %d, "
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"endianness = (int) %s, "
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"width = (int) %d ", channels, endianness, width);
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GST_DEBUG ("creating caps from %s", string);
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caps = gst_caps_from_string (string);
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g_free (string);
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fail_unless (caps != NULL);
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GST_DEBUG ("returning caps %p", caps);
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return caps;
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}
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/* eats the refs to the caps */
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static void
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verify_convert (void *in, int inlength,
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@ -283,6 +303,25 @@ GST_START_TEST (test_int_conversion)
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GST_END_TEST;
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GST_START_TEST (test_float_conversion)
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{
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/* float32 <-> 16 signed */
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/* NOTE: if audioconvert was doing dithering we'd have a problem */
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{
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gfloat in[] = { 0.0, 1.0, -1.0, 0.5, -0.5, 1.1, -1.1 };
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gint16 out[] = { 0, 32767, -32768, 16384, -16384, 32767, -32768 };
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/* only one direction conversion, the other direction does
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* not produce exactly the same as the input due to floating
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* point rounding errors etc. */
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RUN_CONVERSION (in, get_float_caps (1, "BYTE_ORDER", 32),
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out, get_int_caps (1, "BYTE_ORDER", 16, 16, TRUE)
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);
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}
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}
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GST_END_TEST;
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Suite *
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audioconvert_suite (void)
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@ -292,7 +331,8 @@ audioconvert_suite (void)
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_int16);
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//tcase_add_test (tc_chain, test_int_conversion);
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tcase_add_test (tc_chain, test_int_conversion);
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tcase_add_test (tc_chain, test_float_conversion);
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return s;
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}
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