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-rw-r--r--gst/monoscope/gstmonoscope.c124
1 files changed, 61 insertions, 63 deletions
diff --git a/gst/monoscope/gstmonoscope.c b/gst/monoscope/gstmonoscope.c
index d3157d97..f8e82b2f 100644
--- a/gst/monoscope/gstmonoscope.c
+++ b/gst/monoscope/gstmonoscope.c
@@ -35,11 +35,12 @@
typedef struct _GstMonoscope GstMonoscope;
typedef struct _GstMonoscopeClass GstMonoscopeClass;
-struct _GstMonoscope {
+struct _GstMonoscope
+{
GstElement element;
/* pads */
- GstPad *sinkpad,*srcpad;
+ GstPad *sinkpad, *srcpad;
/* the timestamp of the next frame */
guint64 next_time;
@@ -52,14 +53,15 @@ struct _GstMonoscope {
gboolean first_buffer;
/* visualisation state */
- struct monoscope_state * visstate;
+ struct monoscope_state *visstate;
};
-struct _GstMonoscopeClass {
+struct _GstMonoscopeClass
+{
GstElementClass parent_class;
};
-GType gst_monoscope_get_type(void);
+GType gst_monoscope_get_type (void);
/* elementfactory information */
@@ -71,41 +73,39 @@ static GstElementDetails gst_monoscope_details = {
};
/* signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
/* FILL ME */
};
-static GstStaticPadTemplate src_template =
-GST_STATIC_PAD_TEMPLATE (
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB_HOST_ENDIAN)
-);
+static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB_HOST_ENDIAN)
+ );
-static GstStaticPadTemplate sink_template =
-GST_STATIC_PAD_TEMPLATE (
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS)
-);
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS)
+ );
-static void gst_monoscope_class_init (GstMonoscopeClass *klass);
-static void gst_monoscope_base_init (GstMonoscopeClass *klass);
-static void gst_monoscope_init (GstMonoscope *monoscope);
+static void gst_monoscope_class_init (GstMonoscopeClass * klass);
+static void gst_monoscope_base_init (GstMonoscopeClass * klass);
+static void gst_monoscope_init (GstMonoscope * monoscope);
-static void gst_monoscope_chain (GstPad *pad, GstData *_data);
+static void gst_monoscope_chain (GstPad * pad, GstData * _data);
static GstPadLinkReturn
- gst_monoscope_srcconnect (GstPad *pad, const GstCaps *caps);
+gst_monoscope_srcconnect (GstPad * pad, const GstCaps * caps);
static GstElementClass *parent_class = NULL;
@@ -116,9 +116,9 @@ gst_monoscope_get_type (void)
if (!type) {
static const GTypeInfo info = {
- sizeof (GstMonoscopeClass),
- (GBaseInitFunc) gst_monoscope_base_init,
- NULL,
+ sizeof (GstMonoscopeClass),
+ (GBaseInitFunc) gst_monoscope_base_init,
+ NULL,
(GClassInitFunc) gst_monoscope_class_init,
NULL,
NULL,
@@ -132,37 +132,39 @@ gst_monoscope_get_type (void)
}
static void
-gst_monoscope_base_init (GstMonoscopeClass *klass)
+gst_monoscope_base_init (GstMonoscopeClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&src_template));
+ gst_static_pad_template_get (&src_template));
gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&sink_template));
+ gst_static_pad_template_get (&sink_template));
gst_element_class_set_details (element_class, &gst_monoscope_details);
}
static void
-gst_monoscope_class_init(GstMonoscopeClass *klass)
+gst_monoscope_class_init (GstMonoscopeClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*) klass;
- gstelement_class = (GstElementClass*) klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
}
static void
-gst_monoscope_init (GstMonoscope *monoscope)
+gst_monoscope_init (GstMonoscope * monoscope)
{
/* create the sink and src pads */
- monoscope->sinkpad = gst_pad_new_from_template (
- gst_static_pad_template_get (&sink_template ), "sink");
- monoscope->srcpad = gst_pad_new_from_template (
- gst_static_pad_template_get (&src_template ), "src");
+ monoscope->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get (&sink_template),
+ "sink");
+ monoscope->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get (&src_template),
+ "src");
gst_element_add_pad (GST_ELEMENT (monoscope), monoscope->sinkpad);
gst_element_add_pad (GST_ELEMENT (monoscope), monoscope->srcpad);
@@ -175,11 +177,11 @@ gst_monoscope_init (GstMonoscope *monoscope)
monoscope->first_buffer = TRUE;
monoscope->width = 256;
monoscope->height = 128;
- monoscope->fps = 25.; /* desired frame rate */
+ monoscope->fps = 25.; /* desired frame rate */
}
static GstPadLinkReturn
-gst_monoscope_srcconnect (GstPad *pad, const GstCaps *caps)
+gst_monoscope_srcconnect (GstPad * pad, const GstCaps * caps)
{
GstMonoscope *monoscope = GST_MONOSCOPE (gst_pad_get_parent (pad));
GstStructure *structure;
@@ -194,7 +196,7 @@ gst_monoscope_srcconnect (GstPad *pad, const GstCaps *caps)
}
static void
-gst_monoscope_chain (GstPad *pad, GstData *_data)
+gst_monoscope_chain (GstPad * pad, GstData * _data)
{
GstBuffer *bufin = GST_BUFFER (_data);
GstMonoscope *monoscope;
@@ -213,25 +215,26 @@ gst_monoscope_chain (GstPad *pad, GstData *_data)
/* FIXME: should really select the first 1024 samples after the timestamp. */
if (GST_BUFFER_TIMESTAMP (bufin) < monoscope->next_time || samples_in < 1024) {
- GST_DEBUG ("timestamp is %" G_GUINT64_FORMAT ": want >= %" G_GUINT64_FORMAT, GST_BUFFER_TIMESTAMP (bufin), monoscope->next_time);
+ GST_DEBUG ("timestamp is %" G_GUINT64_FORMAT ": want >= %" G_GUINT64_FORMAT,
+ GST_BUFFER_TIMESTAMP (bufin), monoscope->next_time);
gst_buffer_unref (bufin);
return;
}
data = (gint16 *) GST_BUFFER_DATA (bufin);
/* FIXME: Select samples in a better way. */
- for (i=0; i < 512; i++) {
+ for (i = 0; i < 512; i++) {
monoscope->datain[i] = *data++;
}
if (monoscope->first_buffer) {
monoscope->visstate = monoscope_init (monoscope->width, monoscope->height);
- g_assert(monoscope->visstate != 0);
+ g_assert (monoscope->visstate != 0);
GST_DEBUG ("making new pad");
if (!gst_pad_is_negotiated (monoscope->srcpad)) {
if (gst_pad_renegotiate (monoscope->srcpad) <= 0) {
- GST_ELEMENT_ERROR (monoscope, CORE, NEGOTIATION, (NULL), (NULL));
- return;
+ GST_ELEMENT_ERROR (monoscope, CORE, NEGOTIATION, (NULL), (NULL));
+ return;
}
}
monoscope->first_buffer = FALSE;
@@ -239,7 +242,8 @@ gst_monoscope_chain (GstPad *pad, GstData *_data)
bufout = gst_buffer_new ();
GST_BUFFER_SIZE (bufout) = monoscope->width * monoscope->height * 4;
- GST_BUFFER_DATA (bufout) = (guchar *) monoscope_update (monoscope->visstate, monoscope->datain);
+ GST_BUFFER_DATA (bufout) =
+ (guchar *) monoscope_update (monoscope->visstate, monoscope->datain);
GST_BUFFER_TIMESTAMP (bufout) = monoscope->next_time;
GST_BUFFER_FLAG_SET (bufout, GST_BUFFER_DONTFREE);
@@ -254,20 +258,14 @@ gst_monoscope_chain (GstPad *pad, GstData *_data)
}
static gboolean
-plugin_init (GstPlugin *plugin)
+plugin_init (GstPlugin * plugin)
{
- return gst_element_register(plugin, "monoscope",
- GST_RANK_NONE, GST_TYPE_MONOSCOPE);
+ return gst_element_register (plugin, "monoscope",
+ GST_RANK_NONE, GST_TYPE_MONOSCOPE);
}
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "monoscope",
- "Monoscope visualization",
- plugin_init,
- VERSION,
- "LGPL",
- GST_PACKAGE,
- GST_ORIGIN
-)
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "monoscope",
+ "Monoscope visualization",
+ plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
generated by cgit (git 2.34.1) at 2024-06-16 08:06:20 +0000