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-rw-r--r--gst/speed/gstspeed.c139
1 files changed, 55 insertions, 84 deletions
diff --git a/gst/speed/gstspeed.c b/gst/speed/gstspeed.c
index 07dad78c..294f50e7 100644
--- a/gst/speed/gstspeed.c
+++ b/gst/speed/gstspeed.c
@@ -19,15 +19,17 @@
*/
#ifdef HAVE_CONFIG_H
-#include "config.h"
+# include "config.h"
#endif
+
#include <string.h>
-#include <gst/gst.h>
#include <math.h>
+#include <gst/gst.h>
#include <gst/audio/audio.h>
+
#include "gstspeed.h"
-/* buffer size to make if no bufferpool is available, must be divisible by
+/* buffer size to make if no bufferpool is available, must be divisible by
* sizeof(gfloat) */
#define SPEED_BUFSIZE 4096
/* number of buffers to allocate per chunk in sink buffer pool */
@@ -53,41 +55,40 @@ enum {
enum {
ARG_0,
- ARG_SILENT,
ARG_SPEED
};
-static GstPadTemplate*
-speed_sink_factory (void)
-{
- static GstPadTemplate *template = NULL;
-
- if (!template) {
- template = gst_pad_template_new
+static GstPadTemplate*
+speed_sink_factory (void)
+{
+ static GstPadTemplate *template = NULL;
+
+ if (!template) {
+ template = gst_pad_template_new
("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
gst_caps_append(gst_caps_new ("sink_int", "audio/x-raw-int",
- GST_AUDIO_INT_MONO_PAD_TEMPLATE_PROPS),
+ GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_PROPS),
gst_caps_new ("sink_float", "audio/x-raw-float",
GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS)),
NULL);
- }
- return template;
+ }
+ return template;
}
static GstPadTemplate*
speed_src_factory (void)
{
static GstPadTemplate *template = NULL;
-
+
if (!template)
- template = gst_pad_template_new
+ template = gst_pad_template_new
("src", GST_PAD_SRC, GST_PAD_ALWAYS,
gst_caps_append (gst_caps_new ("src_float", "audio/x-raw-float",
GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS),
gst_caps_new ("src_int", "audio/x-raw-int",
- GST_AUDIO_INT_MONO_PAD_TEMPLATE_PROPS)),
+ GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_PROPS)),
NULL);
-
+
return template;
}
@@ -95,7 +96,7 @@ static GstBufferPool*
speed_sink_get_bufferpool (GstPad *pad)
{
GstSpeed *filter;
-
+
filter = GST_SPEED (gst_pad_get_parent(pad));
return filter->sinkpool;
@@ -115,23 +116,22 @@ static GstElementClass *parent_class = NULL;
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
static GstPadLinkReturn
-speed_connect (GstPad *pad, GstCaps *caps)
+speed_link (GstPad *pad, GstCaps *caps)
{
GstSpeed *filter;
GstPad *otherpad;
-
+
filter = GST_SPEED (gst_pad_get_parent (pad));
g_return_val_if_fail (filter != NULL, GST_PAD_LINK_REFUSED);
g_return_val_if_fail (GST_IS_SPEED (filter), GST_PAD_LINK_REFUSED);
otherpad = (pad == filter->srcpad ? filter->sinkpad : filter->srcpad);
-
+
if (GST_CAPS_IS_FIXED (caps)) {
- 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_LINK_DELAYED;
}
@@ -139,36 +139,24 @@ static gboolean
speed_parse_caps (GstSpeed *filter, GstCaps *caps)
{
const gchar *mimetype;
-
- g_return_val_if_fail(filter!=NULL,-1);
- g_return_val_if_fail(caps!=NULL,-1);
- mimetype = gst_caps_get_mime (caps);
+ g_return_val_if_fail(filter != NULL, FALSE);
+ g_return_val_if_fail(caps != NULL, FALSE);
gst_caps_get_int (caps, "rate", &filter->rate);
gst_caps_get_int (caps, "channels", &filter->channels);
gst_caps_get_int (caps, "width", &filter->width);
gst_caps_get_int (caps, "endianness", &filter->endianness);
+ gst_caps_get_int (caps, "buffer-frames", &filter->buffer_frames);
+
+ mimetype = gst_caps_get_mime (caps);
- if (strcmp(mimetype, "audio/x-raw-int")==0) {
+ if (! strncmp(mimetype, "audio/x-raw-int", 15)) {
filter->format = GST_SPEED_FORMAT_INT;
- gst_caps_get_int (caps, "depth", &filter->depth);
- gst_caps_get_boolean (caps, "signed", &filter->is_signed);
-
- if (!filter->silent) {
- g_print ("Speed : channels %d, rate %d\n",
- filter->channels, filter->rate);
- g_print ("Speed : format int, bit width %d, endianness %d, signed %s\n",
- filter->width, filter->endianness, filter->is_signed ? "yes" : "no");
- }
- } else if (strcmp(mimetype, "audio/x-raw-float")==0) {
+ gst_caps_get_int (caps, "depth", &filter->depth);
+ gst_caps_get_boolean (caps, "signed", &filter->is_signed);
+ } else if (! strncmp(mimetype, "audio/x-raw-float", 17)) {
filter->format = GST_SPEED_FORMAT_FLOAT;
-
- if (!filter->silent) {
- g_print ("Speed : channels %d, rate %d\n",
- filter->channels, filter->rate);
- g_print ("Speed : format float, width %d\n", filter->width);
- }
} else {
return FALSE;
}
@@ -199,43 +187,33 @@ gst_speed_get_type(void) {
static void
speed_class_init (GstSpeedClass *klass)
{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
+ GObjectClass *gobject_class = (GObjectClass*)klass;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
+ gobject_class->set_property = speed_set_property;
+ gobject_class->get_property = speed_get_property;
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SILENT,
- g_param_spec_boolean("silent","silent","silent",
- TRUE,G_PARAM_READWRITE)); /* CHECKME */
-
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));
-
- gobject_class->set_property = speed_set_property;
- gobject_class->get_property = speed_get_property;
+ 0.1,40.0,1.0,G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
}
static void
speed_init (GstSpeed *filter)
{
- filter->sinkpad = gst_pad_new_from_template(speed_sink_factory (),"sink");
- gst_pad_set_link_function(filter->sinkpad,speed_connect);
- gst_pad_set_bufferpool_function (filter->sinkpad, speed_sink_get_bufferpool);
- filter->srcpad = gst_pad_new_from_template(speed_src_factory (),"src");
- gst_pad_set_link_function(filter->srcpad,speed_connect);
-
+ filter->sinkpad = gst_pad_new_from_template(speed_sink_factory (), "sink");
+ gst_pad_set_link_function(filter->sinkpad, speed_link);
gst_element_add_pad(GST_ELEMENT(filter),filter->sinkpad);
+ gst_pad_set_bufferpool_function (filter->sinkpad, speed_sink_get_bufferpool);
+
+ filter->srcpad = gst_pad_new_from_template(speed_src_factory (), "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->silent = FALSE;
- filter->speed = 1.0;
-
- filter->sinkpool = gst_buffer_pool_get_default(SPEED_BUFSIZE,
- SPEED_NUMBUF);
+
+ filter->sinkpool = gst_buffer_pool_get_default(SPEED_BUFSIZE, SPEED_NUMBUF);
}
static void
@@ -245,21 +223,21 @@ speed_loop (GstElement *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));
filter->srcpool = gst_pad_get_bufferpool(filter->srcpad);
-
+
i = j = 0;
speed = filter->speed;
-
+
in = gst_pad_pull(filter->sinkpad);
if (GST_IS_EVENT (in)) {
gst_pad_event_default (filter->sinkpad, GST_EVENT (in));
return;
}
-
+
while (GST_IS_EVENT (in)) {
gst_pad_event_default (filter->srcpad, GST_EVENT (in));
in = gst_pad_pull (filter->sinkpad);
@@ -294,11 +272,8 @@ speed_set_property (GObject *object, guint prop_id, const GValue *value, GParamS
g_return_if_fail(GST_IS_SPEED(object));
filter = GST_SPEED(object);
- switch (prop_id)
+ switch (prop_id)
{
- case ARG_SILENT:
- filter->silent = g_value_get_boolean (value);
- break;
case ARG_SPEED:
filter->speed = g_value_get_float (value);
break;
@@ -317,9 +292,6 @@ speed_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *p
filter = GST_SPEED(object);
switch (prop_id) {
- case ARG_SILENT:
- g_value_set_boolean (value, filter->silent);
- break;
case ARG_SPEED:
g_value_set_float (value, filter->speed);
break;
@@ -334,10 +306,9 @@ plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
- factory = gst_element_factory_new("speed",GST_TYPE_SPEED,
- &speed_details);
+ factory = gst_element_factory_new("speed", GST_TYPE_SPEED, &speed_details);
g_return_val_if_fail(factory != NULL, FALSE);
-
+
gst_element_factory_add_pad_template (factory, speed_src_factory ());
gst_element_factory_add_pad_template (factory, speed_sink_factory ());
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 02:44:21 +0000