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-rw-r--r--gst/speed/demo-mp3.c112
-rw-r--r--gst/speed/gstspeed.c189
-rw-r--r--gst/speed/gstspeed.h14
3 files changed, 159 insertions, 156 deletions
diff --git a/gst/speed/demo-mp3.c b/gst/speed/demo-mp3.c
index 1f99c7e1..5b83347a 100644
--- a/gst/speed/demo-mp3.c
+++ b/gst/speed/demo-mp3.c
@@ -22,62 +22,66 @@
#include <gtk/gtk.h>
#include <gst/gst.h>
-void set_speed (GtkAdjustment *adj, gpointer data)
+void
+set_speed (GtkAdjustment * adj, gpointer data)
{
- GstElement *speed = GST_ELEMENT(data);
- g_object_set (speed, "speed", adj->value, NULL);
+ GstElement *speed = GST_ELEMENT (data);
+
+ g_object_set (speed, "speed", adj->value, NULL);
}
-int main(int argc, char **argv)
+int
+main (int argc, char **argv)
{
- GtkWidget *window, *vbox, *hscale, *button;
- GstElement *filesrc, *mad, *stereo2mono, *speed, *osssink, *pipeline;
-
- gst_init (&argc, &argv);
- gtk_init (&argc, &argv);
-
- if (argc!=2) {
- g_print("usage: %s <your.mp3>\n", argv[0]);
- exit(-1);
- }
-
- window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_default_size(GTK_WINDOW(window), 400, 80);
- vbox = gtk_vbox_new(FALSE, 0);
- gtk_widget_show(vbox);
- hscale = gtk_hscale_new(GTK_ADJUSTMENT(gtk_adjustment_new(1.0, 0.01, 4.0,
- 0.1, 0.0, 0.0)));
- gtk_scale_set_digits(GTK_SCALE(hscale), 2);
- gtk_range_set_update_policy(GTK_RANGE(hscale), GTK_UPDATE_CONTINUOUS);
- button = gtk_button_new_with_label("quit");
- gtk_container_add(GTK_CONTAINER(window), vbox);
- gtk_box_pack_start(GTK_BOX(vbox), hscale, TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 2);
- gtk_widget_show(hscale);
- gtk_signal_connect(GTK_OBJECT(button), "clicked", gtk_main_quit, NULL);
- gtk_widget_show(button);
-
- filesrc = gst_element_factory_make("filesrc", "filesrc");
- mad = gst_element_factory_make("mad", "mad");
- stereo2mono = gst_element_factory_make("stereo2mono", "stereo2mono");
- speed = gst_element_factory_make("speed", "speed");
- osssink = gst_element_factory_make("osssink", "osssink");
- g_object_set(osssink, "fragment", 0x00180008, NULL);
-
- gtk_signal_connect(GTK_OBJECT(gtk_range_get_adjustment(GTK_RANGE(hscale))),
- "value_changed", G_CALLBACK (set_speed), speed);
-
- pipeline = gst_pipeline_new("app");
- gst_bin_add_many (GST_BIN(pipeline), filesrc, mad, stereo2mono, speed, osssink, NULL);
- gst_element_link_many (filesrc, mad, stereo2mono, speed, osssink, NULL);
- g_object_set(G_OBJECT(filesrc), "location", argv[1], NULL);
-
- gst_element_set_state(pipeline, GST_STATE_PLAYING);
-
- gtk_widget_show(window);
- gtk_idle_add((GtkFunction)gst_bin_iterate, pipeline);
-
- gtk_main();
-
- return 0;
+ GtkWidget *window, *vbox, *hscale, *button;
+ GstElement *filesrc, *mad, *stereo2mono, *speed, *osssink, *pipeline;
+
+ gst_init (&argc, &argv);
+ gtk_init (&argc, &argv);
+
+ if (argc != 2) {
+ g_print ("usage: %s <your.mp3>\n", argv[0]);
+ exit (-1);
+ }
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_window_set_default_size (GTK_WINDOW (window), 400, 80);
+ vbox = gtk_vbox_new (FALSE, 0);
+ gtk_widget_show (vbox);
+ hscale = gtk_hscale_new (GTK_ADJUSTMENT (gtk_adjustment_new (1.0, 0.01, 4.0,
+ 0.1, 0.0, 0.0)));
+ gtk_scale_set_digits (GTK_SCALE (hscale), 2);
+ gtk_range_set_update_policy (GTK_RANGE (hscale), GTK_UPDATE_CONTINUOUS);
+ button = gtk_button_new_with_label ("quit");
+ gtk_container_add (GTK_CONTAINER (window), vbox);
+ gtk_box_pack_start (GTK_BOX (vbox), hscale, TRUE, TRUE, 2);
+ gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 2);
+ gtk_widget_show (hscale);
+ gtk_signal_connect (GTK_OBJECT (button), "clicked", gtk_main_quit, NULL);
+ gtk_widget_show (button);
+
+ filesrc = gst_element_factory_make ("filesrc", "filesrc");
+ mad = gst_element_factory_make ("mad", "mad");
+ stereo2mono = gst_element_factory_make ("stereo2mono", "stereo2mono");
+ speed = gst_element_factory_make ("speed", "speed");
+ osssink = gst_element_factory_make ("osssink", "osssink");
+ g_object_set (osssink, "fragment", 0x00180008, NULL);
+
+ gtk_signal_connect (GTK_OBJECT (gtk_range_get_adjustment (GTK_RANGE
+ (hscale))), "value_changed", G_CALLBACK (set_speed), speed);
+
+ pipeline = gst_pipeline_new ("app");
+ gst_bin_add_many (GST_BIN (pipeline), filesrc, mad, stereo2mono, speed,
+ osssink, NULL);
+ gst_element_link_many (filesrc, mad, stereo2mono, speed, osssink, NULL);
+ g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
+
+ gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+ gtk_widget_show (window);
+ gtk_idle_add ((GtkFunction) gst_bin_iterate, pipeline);
+
+ gtk_main ();
+
+ return 0;
}
diff --git a/gst/speed/gstspeed.c b/gst/speed/gstspeed.c
index 89b4edfb..12752f12 100644
--- a/gst/speed/gstspeed.c
+++ b/gst/speed/gstspeed.c
@@ -36,63 +36,60 @@
#define SPEED_NUMBUF 6
/* elementfactory information */
-static GstElementDetails speed_details = GST_ELEMENT_DETAILS (
- "Speed",
- "Filter/Effect/Audio",
- "Set speed/pitch on audio/raw streams (resampler)",
- "Andy Wingo <apwingo@eos.ncsu.edu>"
-);
+static GstElementDetails speed_details = GST_ELEMENT_DETAILS ("Speed",
+ "Filter/Effect/Audio",
+ "Set speed/pitch on audio/raw streams (resampler)",
+ "Andy Wingo <apwingo@eos.ncsu.edu>");
/* Filter signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
ARG_SPEED
};
static GstStaticPadTemplate gst_speed_sink_template =
-GST_STATIC_PAD_TEMPLATE (
- "sink",
+ GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- GST_AUDIO_INT_PAD_TEMPLATE_CAPS "; "
- GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS
- )
-);
+ GST_STATIC_CAPS (GST_AUDIO_INT_PAD_TEMPLATE_CAPS "; "
+ GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS)
+ );
static GstStaticPadTemplate gst_speed_src_template =
-GST_STATIC_PAD_TEMPLATE (
- "src",
+ GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- GST_AUDIO_INT_PAD_TEMPLATE_CAPS "; "
- GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS
- )
-);
+ GST_STATIC_CAPS (GST_AUDIO_INT_PAD_TEMPLATE_CAPS "; "
+ GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS)
+ );
-static void speed_base_init (gpointer g_class);
-static void speed_class_init (GstSpeedClass *klass);
-static void speed_init (GstSpeed *filter);
+static void speed_base_init (gpointer g_class);
+static void speed_class_init (GstSpeedClass * klass);
+static void speed_init (GstSpeed * filter);
-static void speed_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
-static void speed_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+static void speed_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void speed_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec);
-static gboolean speed_parse_caps (GstSpeed *filter, const GstCaps *caps);
+static gboolean speed_parse_caps (GstSpeed * filter, const GstCaps * caps);
-static void speed_loop (GstElement *element);
+static void speed_loop (GstElement * element);
static GstElementClass *parent_class = NULL;
+
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
static GstPadLinkReturn
-speed_link (GstPad *pad, const GstCaps *caps)
+speed_link (GstPad * pad, const GstCaps * caps)
{
GstSpeed *filter;
GstPad *otherpad;
@@ -102,20 +99,21 @@ speed_link (GstPad *pad, const GstCaps *caps)
g_return_val_if_fail (GST_IS_SPEED (filter), GST_PAD_LINK_REFUSED);
otherpad = (pad == filter->srcpad ? filter->sinkpad : filter->srcpad);
- if (! speed_parse_caps (filter, caps)) return GST_PAD_LINK_REFUSED;
+ if (!speed_parse_caps (filter, caps))
+ return GST_PAD_LINK_REFUSED;
- return gst_pad_try_set_caps(otherpad, caps);
+ return gst_pad_try_set_caps (otherpad, caps);
}
static gboolean
-speed_parse_caps (GstSpeed *filter, const GstCaps *caps)
+speed_parse_caps (GstSpeed * filter, const GstCaps * caps)
{
const gchar *mimetype;
GstStructure *structure;
gboolean ret;
- g_return_val_if_fail(filter != NULL, FALSE);
- g_return_val_if_fail(caps != NULL, FALSE);
+ g_return_val_if_fail (filter != NULL, FALSE);
+ g_return_val_if_fail (caps != NULL, FALSE);
structure = gst_caps_get_structure (caps, 0);
@@ -123,17 +121,19 @@ speed_parse_caps (GstSpeed *filter, const GstCaps *caps)
ret &= gst_structure_get_int (structure, "channels", &filter->channels);
ret &= gst_structure_get_int (structure, "width", &filter->width);
ret &= gst_structure_get_int (structure, "endianness", &filter->endianness);
- ret &= gst_structure_get_int (structure, "buffer-frames", &filter->buffer_frames);
+ ret &=
+ gst_structure_get_int (structure, "buffer-frames",
+ &filter->buffer_frames);
mimetype = gst_structure_get_name (structure);
- if (strcmp(mimetype, "audio/x-raw-int") == 0) {
+ if (strcmp (mimetype, "audio/x-raw-int") == 0) {
filter->format = GST_SPEED_FORMAT_INT;
ret &= gst_structure_get_int (structure, "depth", &filter->depth);
ret &= gst_structure_get_boolean (structure, "signed", &filter->is_signed);
- } else if (strcmp(mimetype, "audio/x-raw-float") == 0) {
+ } else if (strcmp (mimetype, "audio/x-raw-float") == 0) {
filter->format = GST_SPEED_FORMAT_FLOAT;
- } else {
+ } else {
return FALSE;
}
return ret;
@@ -141,22 +141,24 @@ speed_parse_caps (GstSpeed *filter, const GstCaps *caps)
GType
-gst_speed_get_type(void) {
+gst_speed_get_type (void)
+{
static GType speed_type = 0;
if (!speed_type) {
static const GTypeInfo speed_info = {
- sizeof(GstSpeedClass),
+ sizeof (GstSpeedClass),
speed_base_init,
NULL,
- (GClassInitFunc)speed_class_init,
+ (GClassInitFunc) speed_class_init,
NULL,
NULL,
- sizeof(GstSpeed),
+ sizeof (GstSpeed),
0,
- (GInstanceInitFunc)speed_init,
+ (GInstanceInitFunc) speed_init,
};
- speed_type = g_type_register_static(GST_TYPE_ELEMENT, "GstSpeed", &speed_info, 0);
+ speed_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstSpeed", &speed_info, 0);
}
return speed_type;
}
@@ -174,51 +176,53 @@ speed_base_init (gpointer g_class)
gst_static_pad_template_get (&gst_speed_sink_template));
}
static void
-speed_class_init (GstSpeedClass *klass)
+speed_class_init (GstSpeedClass * klass)
{
- GObjectClass *gobject_class = (GObjectClass*)klass;
+ GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->set_property = speed_set_property;
gobject_class->get_property = speed_get_property;
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SPEED,
- g_param_spec_float("speed","speed","speed",
- 0.1,40.0,1.0,G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SPEED,
+ g_param_spec_float ("speed", "speed", "speed",
+ 0.1, 40.0, 1.0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
}
static void
-speed_init (GstSpeed *filter)
+speed_init (GstSpeed * filter)
{
- filter->sinkpad = gst_pad_new_from_template(
- gst_static_pad_template_get (&gst_speed_sink_template), "sink");
- gst_pad_set_link_function(filter->sinkpad, speed_link);
- gst_element_add_pad(GST_ELEMENT(filter),filter->sinkpad);
-
- filter->srcpad = gst_pad_new_from_template(
- gst_static_pad_template_get (&gst_speed_src_template), "src");
- gst_pad_set_link_function(filter->srcpad, speed_link);
- gst_element_add_pad(GST_ELEMENT(filter),filter->srcpad);
-
- gst_element_set_loop_function(GST_ELEMENT(filter),speed_loop);
+ filter->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&gst_speed_sink_template), "sink");
+ gst_pad_set_link_function (filter->sinkpad, speed_link);
+ gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
+
+ filter->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&gst_speed_src_template), "src");
+ gst_pad_set_link_function (filter->srcpad, speed_link);
+ gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
+
+ gst_element_set_loop_function (GST_ELEMENT (filter), speed_loop);
}
static void
-speed_loop (GstElement *element)
+speed_loop (GstElement * element)
{
- GstSpeed *filter = GST_SPEED(element);
+ GstSpeed *filter = GST_SPEED (element);
GstBuffer *in, *out;
guint i, j, nin, nout;
gfloat interp, speed, lower, i_float;
- g_return_if_fail(filter != NULL);
- g_return_if_fail(GST_IS_SPEED(filter));
+ g_return_if_fail (filter != NULL);
+ g_return_if_fail (GST_IS_SPEED (filter));
i = j = 0;
speed = filter->speed;
-
- in = GST_BUFFER (gst_pad_pull(filter->sinkpad));
+
+ in = GST_BUFFER (gst_pad_pull (filter->sinkpad));
if (GST_IS_EVENT (in)) {
gst_pad_event_default (filter->sinkpad, GST_EVENT (in));
@@ -232,36 +236,36 @@ speed_loop (GstElement *element)
/* this is a bit nasty, but hey, it's what you've got to do to keep the same
* algorithm and multiple data types in c. */
- if (filter->format==GST_SPEED_FORMAT_FLOAT) {
+ if (filter->format == GST_SPEED_FORMAT_FLOAT) {
#define _FORMAT gfloat
#include "filter.func"
#undef _FORMAT
- } else if (filter->format==GST_SPEED_FORMAT_INT && filter->width==16) {
+ } else if (filter->format == GST_SPEED_FORMAT_INT && filter->width == 16) {
#define _FORMAT gint16
#include "filter.func"
#undef _FORMAT
- } else if (filter->format==GST_SPEED_FORMAT_INT && filter->width==8) {
+ } else if (filter->format == GST_SPEED_FORMAT_INT && filter->width == 8) {
#define _FORMAT gint8
#include "filter.func"
#undef _FORMAT
} else {
- GST_ELEMENT_ERROR (filter, CORE, NEGOTIATION, (NULL),
- ("format wasn't negotiated before chain function"));
+ GST_ELEMENT_ERROR (filter, CORE, NEGOTIATION, (NULL),
+ ("format wasn't negotiated before chain function"));
gst_element_yield (element);
}
}
static void
-speed_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+speed_set_property (GObject * object, guint prop_id, const GValue * value,
+ GParamSpec * pspec)
{
GstSpeed *filter;
/* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_SPEED(object));
- filter = GST_SPEED(object);
+ g_return_if_fail (GST_IS_SPEED (object));
+ filter = GST_SPEED (object);
- switch (prop_id)
- {
+ switch (prop_id) {
case ARG_SPEED:
filter->speed = g_value_get_float (value);
break;
@@ -271,13 +275,14 @@ speed_set_property (GObject *object, guint prop_id, const GValue *value, GParamS
}
static void
-speed_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+speed_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
GstSpeed *filter;
/* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_SPEED(object));
- filter = GST_SPEED(object);
+ g_return_if_fail (GST_IS_SPEED (object));
+ filter = GST_SPEED (object);
switch (prop_id) {
case ARG_SPEED:
@@ -290,19 +295,13 @@ speed_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *p
}
static gboolean
-plugin_init (GstPlugin *plugin)
+plugin_init (GstPlugin * plugin)
{
- return gst_element_register(plugin, "speed", GST_RANK_NONE, GST_TYPE_SPEED);
+ return gst_element_register (plugin, "speed", GST_RANK_NONE, GST_TYPE_SPEED);
}
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "speed",
- "Set speed/pitch on audio/raw streams (resampler)",
- plugin_init,
- VERSION,
- GST_LICENSE,
- GST_PACKAGE,
- GST_ORIGIN
-)
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "speed",
+ "Set speed/pitch on audio/raw streams (resampler)",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
diff --git a/gst/speed/gstspeed.h b/gst/speed/gstspeed.h
index 2bbb0e6c..d86d1fce 100644
--- a/gst/speed/gstspeed.h
+++ b/gst/speed/gstspeed.h
@@ -25,7 +25,6 @@
#include <gst/gst.h>
G_BEGIN_DECLS
-
#define GST_TYPE_SPEED \
(gst_speed_get_type())
#define GST_SPEED(obj) \
@@ -36,17 +35,18 @@ G_BEGIN_DECLS
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPEED))
#define GST_IS_SPEED_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPEED))
-
typedef struct _GstSpeed GstSpeed;
typedef struct _GstSpeedClass GstSpeedClass;
typedef enum _GstSpeedFormat GstSpeedFormat;
-enum _GstSpeedFormat {
+enum _GstSpeedFormat
+{
GST_SPEED_FORMAT_INT,
GST_SPEED_FORMAT_FLOAT
};
-struct _GstSpeed {
+struct _GstSpeed
+{
GstElement element;
GstPad *sinkpad, *srcpad;
@@ -66,12 +66,12 @@ struct _GstSpeed {
gboolean is_signed;
};
-struct _GstSpeedClass {
+struct _GstSpeedClass
+{
GstElementClass parent_class;
};
-GType gst_speed_get_type(void);
+GType gst_speed_get_type (void);
G_END_DECLS
-
#endif /* __GST_SPEED_H__ */
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 08:52:23 +0000