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tests: fix level example

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Use the GValueArray in the message.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=687154
This commit is contained in:
Wim Taymans 2012-10-30 11:10:49 +00:00
parent 752cf98745
commit 0de4b76d39
1 changed files with 17 additions and 9 deletions
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26
tests/examples/level/level-example.c
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@ -21,6 +21,8 @@
#include <string.h>
#include <math.h>
#define GLIB_DISABLE_DEPRECATION_WARNINGS
#include <gst/gst.h>
static gboolean
@ -36,8 +38,9 @@ message_handler (GstBus * bus, GstMessage * message, gpointer data)
GstClockTime endtime;
gdouble rms_dB, peak_dB, decay_dB;
gdouble rms;
const GValue *list;
const GValue *array_val;
const GValue *value;
GValueArray *arr;
gint i;
@ -45,21 +48,26 @@ message_handler (GstBus * bus, GstMessage * message, gpointer data)
g_warning ("Could not parse endtime");
/* we can get the number of channels as the length of any of the value
* lists */
list = gst_structure_get_value (s, "rms");
channels = gst_value_list_get_size (list);
array_val = gst_structure_get_value (s, "rms");
arr = (GValueArray *) g_value_get_boxed (array_val);
channels = arr->n_values;
g_print ("endtime: %" GST_TIME_FORMAT ", channels: %d\n",
GST_TIME_ARGS (endtime), channels);
for (i = 0; i < channels; ++i) {
g_print ("channel %d\n", i);
list = gst_structure_get_value (s, "rms");
value = gst_value_list_get_value (list, i);
array_val = gst_structure_get_value (s, "rms");
arr = (GValueArray *) g_value_get_boxed (array_val);
value = g_value_array_get_nth (arr, i);
rms_dB = g_value_get_double (value);
list = gst_structure_get_value (s, "peak");
value = gst_value_list_get_value (list, i);
array_val = gst_structure_get_value (s, "peak");
arr = (GValueArray *) g_value_get_boxed (array_val);
value = g_value_array_get_nth (arr, i);
peak_dB = g_value_get_double (value);
list = gst_structure_get_value (s, "decay");
value = gst_value_list_get_value (list, i);
array_val = gst_structure_get_value (s, "decay");
arr = (GValueArray *) g_value_get_boxed (array_val);
value = g_value_array_get_nth (arr, i);
decay_dB = g_value_get_double (value);
g_print (" RMS: %f dB, peak: %f dB, decay: %f dB\n",
rms_dB, peak_dB, decay_dB);