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level: use GValueArray instead of GstValueList in messages

Browse source 
Updated GstLevel element to use GValueArray instead of
GstValueList for rms/peak/decay keys attached to element
message.

https://bugzilla.gnome.org/show_bug.cgi?id=670303
This commit is contained in:
Peteris Krisjanis 2012-02-16 18:01:29 +02:00 committed by Tim-Philipp Müller
parent 3a7e5a778d
commit d44b3fd8ec
1 changed files with 30 additions and 17 deletions
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47
gst/level/gstlevel.c
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@ -66,14 +66,14 @@
* </listitem>
* <listitem>
* <para>
* #GstValueList of #gdouble
* #GValueArray of #gdouble
* <classname>&quot;peak&quot;</classname>:
* the peak power level in dB for each channel
* </para>
* </listitem>
* <listitem>
* <para>
* #GstValueList of #gdouble
* #GValueArray of #gdouble
* <classname>&quot;decay&quot;</classname>:
* the decaying peak power level in dB for each channel
* the decaying peak level follows the peak level, but starts dropping
@ -86,7 +86,7 @@
* </listitem>
* <listitem>
* <para>
* #GstValueList of #gdouble
* #GValueArray of #gdouble
* <classname>&quot;rms&quot;</classname>:
* the Root Mean Square (or average power) level in dB for each channel
* </para>
@ -104,6 +104,11 @@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* FIXME 0.11: suppress warnings for deprecated API such as GValueArray
* with newer GLib versions (>= 2.31.0) */
#define GLIB_DISABLE_DEPRECATION_WARNINGS
#include <string.h>
#include <math.h>
#include <gst/gst.h>
@ -478,8 +483,6 @@ gst_level_message_new (GstLevel * level, GstClockTime timestamp,
GValue v = { 0, };
GstClockTime endtime, running_time, stream_time;
g_value_init (&v, GST_TYPE_LIST);
running_time = gst_segment_to_running_time (&trans->segment, GST_FORMAT_TIME,
timestamp);
stream_time = gst_segment_to_stream_time (&trans->segment, GST_FORMAT_TIME,
@ -493,12 +496,18 @@ gst_level_message_new (GstLevel * level, GstClockTime timestamp,
"stream-time", G_TYPE_UINT64, stream_time,
"running-time", G_TYPE_UINT64, running_time,
"duration", G_TYPE_UINT64, duration, NULL);
/* will copy-by-value */
gst_structure_set_value (s, "rms", &v);
gst_structure_set_value (s, "peak", &v);
gst_structure_set_value (s, "decay", &v);
g_value_unset (&v);
g_value_init (&v, G_TYPE_VALUE_ARRAY);
g_value_take_boxed (&v, g_value_array_new (0));
gst_structure_take_value (s, "rms", &v);
g_value_init (&v, G_TYPE_VALUE_ARRAY);
g_value_take_boxed (&v, g_value_array_new (0));
gst_structure_take_value (s, "peak", &v);
g_value_init (&v, G_TYPE_VALUE_ARRAY);
g_value_take_boxed (&v, g_value_array_new (0));
gst_structure_take_value (s, "decay", &v);
return gst_message_new_element (GST_OBJECT (level), s);
}
@ -507,25 +516,29 @@ static void
gst_level_message_append_channel (GstMessage * m, gdouble rms, gdouble peak,
gdouble decay)
{
const GValue *array_val;
GstStructure *s;
GValueArray *arr;
GValue v = { 0, };
GValue *l;
g_value_init (&v, G_TYPE_DOUBLE);
s = (GstStructure *) gst_message_get_structure (m);
l = (GValue *) gst_structure_get_value (s, "rms");
array_val = gst_structure_get_value (s, "rms");
arr = (GValueArray *) g_value_get_boxed (array_val);
g_value_set_double (&v, rms);
gst_value_list_append_value (l, &v); /* copies by value */
g_value_array_append (arr, &v); /* copies by value */
l = (GValue *) gst_structure_get_value (s, "peak");
array_val = gst_structure_get_value (s, "peak");
arr = (GValueArray *) g_value_get_boxed (array_val);
g_value_set_double (&v, peak);
gst_value_list_append_value (l, &v); /* copies by value */
g_value_array_append (arr, &v); /* copies by value */
l = (GValue *) gst_structure_get_value (s, "decay");
array_val = gst_structure_get_value (s, "decay");
arr = (GValueArray *) g_value_get_boxed (array_val);
g_value_set_double (&v, decay);
gst_value_list_append_value (l, &v); /* copies by value */
g_value_array_append (arr, &v); /* copies by value */
g_value_unset (&v);
}