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just some code cleanup

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Original commit message from CVS:
just some code cleanup
This commit is contained in:
Leif Johnson 2003-10-08 07:50:58 +00:00
parent d95362aab5
commit 69edaac422
2 changed files with 67 additions and 106 deletions
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145
gst/speed/gstspeed.c
View file

@ -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);
if (strcmp(mimetype, "audio/x-raw-int")==0) {
mimetype = gst_caps_get_mime (caps);
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;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
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));
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);
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)
{
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 ());

28
gst/speed/gstspeed.h
View file

@ -22,23 +22,20 @@
#ifndef __GST_SPEED_H__
#define __GST_SPEED_H__
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <config.h>
#include <gst/gst.h>
/* #include <gst/meta/audioraw.h> */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
G_BEGIN_DECLS
#define GST_TYPE_SPEED \
(gst_speed_get_type())
#define GST_SPEED(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPEED,GstSpeed))
#define GST_SPEED_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstSpeed))
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPEED,GstSpeed))
#define GST_IS_SPEED(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPEED))
#define GST_IS_SPEED_CLASS(obj) \
@ -59,23 +56,19 @@ struct _GstSpeed {
GstPad *sinkpad, *srcpad;
GstBufferPool *sinkpool, *srcpool;
gboolean silent;
gfloat speed;
/* the next are valid for both int and float */
/* valid for both int and float */
GstSpeedFormat format;
guint rate;
guint channels;
guint width;
guint endianness;
guint buffer_frames;
/* the next are valid only for format==GST_SPEED_FORMAT_INT */
/* valid only for format==GST_SPEED_FORMAT_INT */
guint depth;
gboolean is_signed;
/* the next three are valid only for format==GST_SPEED_FORMAT_FLOAT */
gfloat slope;
gfloat intercept;
};
struct _GstSpeedClass {
@ -84,9 +77,6 @@ struct _GstSpeedClass {
GType gst_speed_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
G_END_DECLS
#endif /* __GST_SPEED_H__ */