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-rw-r--r--ChangeLog13
-rw-r--r--Makefile.am2
-rw-r--r--check/elements/level.c2
m---------common0
-rw-r--r--gst/level/Makefile.am2
-rw-r--r--gst/level/gstlevel.c138
-rw-r--r--gst/level/gstlevel.h5
-rw-r--r--gst/level/level-example.c61
-rw-r--r--tests/check/elements/level.c2
9 files changed, 147 insertions, 78 deletions
diff --git a/ChangeLog b/ChangeLog
index a7df4f43..74ef22b8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,18 @@
2005-09-23 Thomas Vander Stichele <thomas at apestaart dot org>
+ * Makefile.am:
+ * check/elements/level.c: (GST_START_TEST):
+ * gst/level/Makefile.am:
+ * gst/level/gstlevel.c: (gst_level_class_init), (gst_level_init),
+ (gst_level_set_property), (gst_level_get_property),
+ (gst_level_set_caps), (gst_level_message_new),
+ (gst_level_transform_ip):
+ * gst/level/gstlevel.h:
+ * gst/level/level-example.c: (message_handler), (main):
+ convert to using GstClockTime for all time values, finally.
+
+2005-09-23 Thomas Vander Stichele <thomas at apestaart dot org>
+
* gst/auparse/Makefile.am:
* gst/auparse/gstauparse.c: (gst_auparse_chain):
fix up build
diff --git a/Makefile.am b/Makefile.am
index cfe228de..3ff27cbe 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -35,4 +35,4 @@ include $(top_srcdir)/common/release.mak
# include $(top_srcdir)/common/po.mak
check-valgrind:
- @true
+ cd check && make check-valgrind
diff --git a/check/elements/level.c b/check/elements/level.c
index 79fa8538..88f68ffc 100644
--- a/check/elements/level.c
+++ b/check/elements/level.c
@@ -97,6 +97,7 @@ GST_START_TEST (test_int16)
int i, j;
gint16 *data;
const GValue *list, *value;
+ GstClockTime endtime;
gdouble dB;
level = setup_level ();
@@ -137,6 +138,7 @@ GST_START_TEST (test_int16)
fail_if (structure == NULL);
fail_unless_equals_string ((char *) gst_structure_get_name (structure),
"level");
+ fail_unless (gst_structure_get_clock_time (structure, "endtime", &endtime));
/* block wave of half amplitude has -5.94 dB for rms, peak and decay */
for (i = 0; i < 2; ++i) {
diff --git a/common b/common
-Subproject 345fd9851051274dd758a19bbe33dbb561b4d30
+Subproject c7160d5b7c76f00609cf7b6e9b782e99f626686
diff --git a/gst/level/Makefile.am b/gst/level/Makefile.am
index 6a48efab..ab5b80b8 100644
--- a/gst/level/Makefile.am
+++ b/gst/level/Makefile.am
@@ -1,7 +1,7 @@
plugin_LTLIBRARIES = libgstlevel.la
libgstlevel_la_SOURCES = gstlevel.c
-libgstlevel_la_CFLAGS = $(GST_CFLAGS)
+libgstlevel_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
libgstlevel_la_LIBADD = $(GST_BASE_LIBS)
libgstlevel_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
diff --git a/gst/level/gstlevel.c b/gst/level/gstlevel.c
index 4ce1a8be..f7d22edb 100644
--- a/gst/level/gstlevel.c
+++ b/gst/level/gstlevel.c
@@ -24,23 +24,47 @@
*
* <refsect2>
* <para>
- * Level analyses incoming audio buffers and generates an application
- * message per given interval of time.
+ * Level analyses incoming audio buffers and, if the
+ * <link linkend="GstLevel--message">message property</link> is #TRUE.
+ * generates an application message named
+ * <classname>&quot;level&quot;</classname>:
+ * after each interval of time given by the
+ * <link linkend="GstLevel--interval">interval property</link>.
* The message's structure contains four fields:
* <itemizedlist>
* <listitem>
* <para>
- * <link linkend="gdouble">gdouble</link>
+ * #GstClockTime
* <classname>&quot;endtime&quot;</classname>:
- * the end time of the buffer that
- * triggered the message</para>
+ * the end time of the buffer that triggered the message
+ * </para>
* </listitem>
* <listitem>
* <para>
- * <link linkend="gdouble">gdouble</link>
- * <classname>&quot;endtime&quot;</classname>:
- * the end time of the buffer that
- * triggered the message</para>
+ * #GstValueList of #gdouble
+ * <classname>&quot;peak&quot;</classname>:
+ * the peak power level in dB for each channel
+ * </para>
+ * </listitem>
+ * <listitem>
+ * <para>
+ * #GstValueList 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
+ * if no new peak is reached after the time given by
+ * the <link linkend="GstLevel--peak-ttl">the time to live</link>.
+ * When the decaying peak level drops, it does so at the decay rate
+ * as specified by the
+ * <link linkend="GstLevel--peak-falloff">the peak fallof rate</link>.
+ * </para>
+ * </listitem>
+ * <listitem>
+ * <para>
+ * #GstValueList of #gdouble
+ * <classname>&quot;rms&quot;</classname>:
+ * the Root Mean Square (or average power) level in dB for each channel
+ * </para>
* </listitem>
* </itemizedlist>
* </para>
@@ -55,6 +79,7 @@
#include "config.h"
#endif
#include <gst/gst.h>
+#include <gst/audio/audio.h>
#include "gstlevel.h"
#include "math.h"
@@ -143,15 +168,16 @@ gst_level_class_init (GstLevelClass * klass)
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SIGNAL_LEVEL,
g_param_spec_boolean ("message", "mesage",
- "Post a level message for each interval", TRUE, G_PARAM_READWRITE));
+ "Post a level message for each passed interval",
+ TRUE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SIGNAL_INTERVAL,
- g_param_spec_double ("interval", "Interval",
- "Interval between posts (in seconds)",
- 0.01, 100.0, 0.1, G_PARAM_READWRITE));
+ g_param_spec_uint64 ("interval", "Interval",
+ "Interval of time between message posts (in nanoseconds)",
+ 1, G_MAXUINT64, GST_SECOND / 10, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PEAK_TTL,
- g_param_spec_double ("peak_ttl", "Peak TTL",
- "Time To Live of decay peak before it falls back",
- 0, 100.0, 0.3, G_PARAM_READWRITE));
+ g_param_spec_uint64 ("peak_ttl", "Peak TTL",
+ "Time To Live of decay peak before it falls back (in nanoseconds)",
+ 0, G_MAXUINT64, GST_SECOND / 10 * 3, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PEAK_FALLOFF,
g_param_spec_double ("peak_falloff", "Peak Falloff",
"Decay rate of decay peak after TTL (in dB/sec)",
@@ -175,8 +201,8 @@ gst_level_init (GstLevel * filter, GstLevelClass * g_class)
filter->width = 0;
filter->channels = 0;
- filter->interval = 0.1;
- filter->decay_peak_ttl = 0.4;
+ filter->interval = GST_SECOND / 10;
+ filter->decay_peak_ttl = GST_SECOND / 10 * 3;
filter->decay_peak_falloff = 10.0; /* dB falloff (/sec) */
filter->message = TRUE;
@@ -193,10 +219,10 @@ gst_level_set_property (GObject * object, guint prop_id,
filter->message = g_value_get_boolean (value);
break;
case PROP_SIGNAL_INTERVAL:
- filter->interval = g_value_get_double (value);
+ filter->interval = g_value_get_uint64 (value);
break;
case PROP_PEAK_TTL:
- filter->decay_peak_ttl = g_value_get_double (value);
+ filter->decay_peak_ttl = g_value_get_uint64 (value);
break;
case PROP_PEAK_FALLOFF:
filter->decay_peak_falloff = g_value_get_double (value);
@@ -217,10 +243,10 @@ gst_level_get_property (GObject * object, guint prop_id,
g_value_set_boolean (value, filter->message);
break;
case PROP_SIGNAL_INTERVAL:
- g_value_set_double (value, filter->interval);
+ g_value_set_uint64 (value, filter->interval);
break;
case PROP_PEAK_TTL:
- g_value_set_double (value, filter->decay_peak_ttl);
+ g_value_set_uint64 (value, filter->decay_peak_ttl);
break;
case PROP_PEAK_FALLOFF:
g_value_set_double (value, filter->decay_peak_falloff);
@@ -251,7 +277,7 @@ gst_level_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
filter = GST_LEVEL (trans);
- filter->num_samples = 0;
+ filter->num_frames = 0;
structure = gst_caps_get_structure (in, 0);
filter->rate = structure_get_int (structure, "rate");
@@ -269,13 +295,14 @@ gst_level_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
filter->peak = g_new (double, filter->channels);
filter->last_peak = g_new (double, filter->channels);
filter->decay_peak = g_new (double, filter->channels);
- filter->decay_peak_age = g_new (double, filter->channels);
+
+ filter->decay_peak_age = g_new (GstClockTime, filter->channels);
filter->RMS_dB = g_new (double, filter->channels);
for (i = 0; i < filter->channels; ++i) {
filter->CS[i] = filter->peak[i] = filter->last_peak[i] =
- filter->decay_peak[i] = filter->decay_peak_age[i] =
- filter->RMS_dB[i] = 0.0;
+ filter->decay_peak[i] = filter->RMS_dB[i] = 0.0;
+ filter->decay_peak_age[i] = 0LL;
}
return TRUE;
@@ -326,14 +353,15 @@ DEFINE_LEVEL_CALCULATOR (gint16);
DEFINE_LEVEL_CALCULATOR (gint8);
static GstMessage *
-gst_level_message_new (GstLevel * l, gdouble endtime)
+gst_level_message_new (GstLevel * l, GstClockTime endtime)
{
GstStructure *s;
GValue v = { 0, };
g_value_init (&v, GST_TYPE_LIST);
- s = gst_structure_new ("level", "endtime", G_TYPE_DOUBLE, endtime, NULL);
+ s = gst_structure_new ("level", "endtime", GST_TYPE_CLOCK_TIME,
+ endtime, NULL);
/* will copy-by-value */
gst_structure_set_value (s, "rms", &v);
gst_structure_set_value (s, "peak", &v);
@@ -373,7 +401,9 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
GstLevel *filter;
gpointer in_data;
double CS = 0.0;
- gint num_int_samples = 0; /* number of samples for all channels combined */
+ gint num_frames = 0;
+ gint num_int_samples = 0; /* number of interleaved samples
+ * ie. total count for all channels combined */
gint i;
filter = GST_LEVEL (trans);
@@ -387,6 +417,8 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
g_return_val_if_fail (num_int_samples % filter->channels == 0,
GST_FLOW_ERROR);
+ num_frames = num_int_samples / filter->channels;
+
for (i = 0; i < filter->channels; ++i) {
CS = 0.0;
switch (filter->width) {
@@ -405,12 +437,14 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
filter->CS[i] += CS;
}
- filter->num_samples += num_int_samples / filter->channels;
+ filter->num_frames += num_frames;
for (i = 0; i < filter->channels; ++i) {
- filter->decay_peak_age[i] += num_int_samples / filter->channels;
- GST_LOG_OBJECT (filter, "filter peak info [%d]: peak %f, age %f\n", i,
- filter->last_peak[i], filter->decay_peak_age[i]);
+ filter->decay_peak_age[i] +=
+ GST_FRAMES_TO_CLOCK_TIME (num_frames, filter->rate);
+ GST_LOG_OBJECT (filter, "filter peak info [%d]: peak %f, age %"
+ GST_TIME_FORMAT, i,
+ filter->last_peak[i], GST_TIME_ARGS (filter->decay_peak_age[i]));
/* update running peak */
if (filter->peak[i] > filter->last_peak[i])
@@ -418,28 +452,29 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
/* update decay peak */
if (filter->peak[i] >= filter->decay_peak[i]) {
- GST_LOG_OBJECT (filter, "new peak, %f\n", filter->peak[i]);
+ GST_LOG_OBJECT (filter, "new peak, %f", filter->peak[i]);
filter->decay_peak[i] = filter->peak[i];
- filter->decay_peak_age[i] = 0;
+ filter->decay_peak_age[i] = 0LL;
} else {
/* make decay peak fall off if too old */
- if (filter->decay_peak_age[i] > filter->rate * filter->decay_peak_ttl) {
+ if (filter->decay_peak_age[i] > filter->decay_peak_ttl) {
double falloff_dB;
double falloff;
double length; /* length of buffer in seconds */
- length = (double) num_int_samples / (filter->channels * filter->rate);
+ length = (double) num_frames / filter->rate;
falloff_dB = filter->decay_peak_falloff * length;
falloff = pow (10, falloff_dB / -20.0);
GST_LOG_OBJECT (filter,
- "falloff: length %f, dB falloff %f, falloff factor %e\n",
+ "falloff: length %f, dB falloff %f, falloff factor %e",
length, falloff_dB, falloff);
filter->decay_peak[i] *= falloff;
GST_LOG_OBJECT (filter,
- "peak is %f samples old, decayed with factor %e to %f\n",
- filter->decay_peak_age[i], falloff, filter->decay_peak[i]);
+ "peak is %" GST_TIME_FORMAT " old, decayed with factor %e to %f",
+ GST_TIME_ARGS (filter->decay_peak_age[i]), falloff,
+ filter->decay_peak[i]);
} else {
GST_LOG_OBJECT (filter, "peak not old enough, not decaying");
}
@@ -448,23 +483,25 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
/* do we need to emit ? */
- if (filter->num_samples >= (gint) (filter->interval * filter->rate)) {
+ if (filter->num_frames >=
+ (gint) ((gdouble) filter->interval / GST_SECOND * filter->rate)) {
if (filter->message) {
GstMessage *m;
- double endtime, RMS;
+ GstClockTime endtime;
+ double RMS;
double RMSdB, lastdB, decaydB;
/* FIXME: convert to a GstClockTime instead */
- endtime = (double) GST_BUFFER_TIMESTAMP (in) / GST_SECOND
- + (double) num_int_samples / (filter->rate * filter->channels);
+ endtime = GST_BUFFER_TIMESTAMP (in)
+ + GST_FRAMES_TO_CLOCK_TIME (num_frames, filter->rate);
m = gst_level_message_new (filter, endtime);
for (i = 0; i < filter->channels; ++i) {
- RMS = sqrt (filter->CS[i] / filter->num_samples);
+ RMS = sqrt (filter->CS[i] / filter->num_frames);
GST_LOG_OBJECT (filter,
- "CS: %f, num_samples %d, channel %d, RMS %f",
- filter->CS[i], filter->num_samples, i, RMS);
+ "CS: %f, num_frames %d, channel %d, RMS %f",
+ filter->CS[i], filter->num_frames, i, RMS);
/* RMS values are calculated in amplitude, so 20 * log 10 */
RMSdB = 20 * log10 (RMS);
/* peak values are square sums, ie. power, so 10 * log 10 */
@@ -472,8 +509,9 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
decaydB = 10 * log10 (filter->decay_peak[i]);
GST_LOG_OBJECT (filter,
- "time %f, channel %d, RMS %f dB, peak %f dB, decay %f dB",
- endtime, i, RMSdB, lastdB, decaydB);
+ "time %" GST_TIME_FORMAT
+ ", channel %d, RMS %f dB, peak %f dB, decay %f dB",
+ GST_TIME_ARGS (endtime), i, RMSdB, lastdB, decaydB);
gst_level_message_append_channel (m, RMSdB, lastdB, decaydB);
@@ -484,7 +522,7 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
gst_element_post_message (GST_ELEMENT (filter), m);
}
- filter->num_samples = 0;
+ filter->num_frames = 0;
}
return GST_FLOW_OK;
diff --git a/gst/level/gstlevel.h b/gst/level/gstlevel.h
index ecd10a87..98d7b149 100644
--- a/gst/level/gstlevel.h
+++ b/gst/level/gstlevel.h
@@ -59,7 +59,8 @@ struct _GstLevel {
gdouble decay_peak_ttl; /* time to live for peak in seconds */
gdouble decay_peak_falloff; /* falloff in dB/sec */
- gint num_samples; /* one-channel sample count since last emit */
+ gint num_frames; /* frame count (1 sample per channel)
+ * since last emit */
/* per-channel arrays for intermediate values */
gdouble *CS; /* normalized Cumulative Square */
@@ -68,7 +69,7 @@ struct _GstLevel {
gdouble *decay_peak; /* running decaying normalized Peak */
gdouble *MS; /* normalized Mean Square of buffer */
gdouble *RMS_dB; /* RMS in dB to emit */
- gdouble *decay_peak_age; /* age of last peak in one-channel samples */
+ GstClockTime *decay_peak_age; /* age of last peak */
};
struct _GstLevelClass {
diff --git a/gst/level/level-example.c b/gst/level/level-example.c
index 6aac1a5d..3f41f7f1 100644
--- a/gst/level/level-example.c
+++ b/gst/level/level-example.c
@@ -13,35 +13,41 @@ message_handler (GstBus * bus, GstMessage * message, gpointer data)
if (strcmp (name, "level") == 0) {
gint channels;
- gdouble endtime, rms_dB, peak_dB, decay_dB;
+ GstClockTime endtime;
+ gdouble rms_dB, peak_dB, decay_dB;
gdouble rms;
const GValue *list;
const GValue *value;
- if (!gst_structure_get_double (s, "endtime", &endtime))
+ gint i;
+
+ if (!gst_structure_get_clock_time (s, "endtime", &endtime))
g_warning ("Could not parse endtime");
- list = gst_structure_get_value (s, "rms");
/* 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);
- /* we will only get values for the first channel, since we know sinesrc
- * is mono */
- value = gst_value_list_get_value (list, 0);
- rms_dB = g_value_get_double (value);
- list = gst_structure_get_value (s, "peak");
- value = gst_value_list_get_value (list, 0);
- peak_dB = g_value_get_double (value);
- list = gst_structure_get_value (s, "decay");
- value = gst_value_list_get_value (list, 0);
- decay_dB = g_value_get_double (value);
- g_print ("endtime: %f, channels: %d\n", endtime, channels);
- g_print ("RMS: %f dB, peak: %f dB, decay: %f dB\n",
- rms_dB, peak_dB, decay_dB);
-
- /* converting from dB to normal gives us a value between 0.0 and 1.0 */
- rms = pow (10, rms_dB / 20);
- g_print ("normalized rms value: %f\n", rms);
+ 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);
+ rms_dB = g_value_get_double (value);
+ list = gst_structure_get_value (s, "peak");
+ value = gst_value_list_get_value (list, i);
+ peak_dB = g_value_get_double (value);
+ list = gst_structure_get_value (s, "decay");
+ value = gst_value_list_get_value (list, 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);
+
+ /* converting from dB to normal gives us a value between 0.0 and 1.0 */
+ rms = pow (10, rms_dB / 20);
+ g_print (" normalized rms value: %f\n", rms);
+ }
}
}
/* we handled the message we want, and ignored the ones we didn't want.
@@ -52,26 +58,33 @@ message_handler (GstBus * bus, GstMessage * message, gpointer data)
int
main (int argc, char *argv[])
{
- GstElement *sinesrc, *level, *fakesink;
+ GstElement *sinesrc, *audioconvert, *level, *fakesink;
GstElement *pipeline;
+ GstCaps *caps;
GstBus *bus;
gint watch_id;
GMainLoop *loop;
gst_init (&argc, &argv);
+ caps = gst_caps_from_string ("audio/x-raw-int,channels=2");
+
pipeline = gst_pipeline_new (NULL);
g_assert (pipeline);
sinesrc = gst_element_factory_make ("sinesrc", NULL);
g_assert (sinesrc);
+ audioconvert = gst_element_factory_make ("audioconvert", NULL);
+ g_assert (audioconvert);
level = gst_element_factory_make ("level", NULL);
g_assert (level);
fakesink = gst_element_factory_make ("fakesink", NULL);
g_assert (fakesink);
- gst_bin_add_many (GST_BIN (pipeline), sinesrc, level, fakesink, NULL);
- gst_element_link (sinesrc, level);
- gst_element_link (level, fakesink);
+ gst_bin_add_many (GST_BIN (pipeline), sinesrc, audioconvert, level,
+ fakesink, NULL);
+ g_assert (gst_element_link (sinesrc, audioconvert));
+ g_assert (gst_element_link_filtered (audioconvert, level, caps));
+ g_assert (gst_element_link (level, fakesink));
/* make sure we'll get messages */
g_object_set (G_OBJECT (level), "message", TRUE, NULL);
diff --git a/tests/check/elements/level.c b/tests/check/elements/level.c
index 79fa8538..88f68ffc 100644
--- a/tests/check/elements/level.c
+++ b/tests/check/elements/level.c
@@ -97,6 +97,7 @@ GST_START_TEST (test_int16)
int i, j;
gint16 *data;
const GValue *list, *value;
+ GstClockTime endtime;
gdouble dB;
level = setup_level ();
@@ -137,6 +138,7 @@ GST_START_TEST (test_int16)
fail_if (structure == NULL);
fail_unless_equals_string ((char *) gst_structure_get_name (structure),
"level");
+ fail_unless (gst_structure_get_clock_time (structure, "endtime", &endtime));
/* block wave of half amplitude has -5.94 dB for rms, peak and decay */
for (i = 0; i < 2; ++i) {
generated by cgit (git 2.34.1) at 2025-11-04 06:31:13 +0000