FaSTTUBe/GST-Tensordecoder-ov_ep
37
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

gst-libs/gst/audio/: Oops, forgot to commit fixed-up example.

Browse Source 
Original commit message from CVS:
* gst-libs/gst/audio/Makefile.am:
* gst-libs/gst/audio/gstaudiofiltertemplate.c:
(gst_audio_filter_template_base_init),
(gst_audio_filter_template_class_init),
(gst_audio_filter_template_init),
(gst_audio_filter_template_set_property),
(gst_audio_filter_template_get_property),
(gst_audio_filter_template_setup),
(gst_audio_filter_template_filter),
(gst_audio_filter_template_filter_inplace), (plugin_init):
Oops, forgot to commit fixed-up example.
This commit is contained in:
Tim-Philipp Müller 2007-02-03 23:28:45 +00:00
parent b63fff63d4
commit 2594880e87
3 changed files with 96 additions and 85 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
ChangeLog
View File

@ -1,3 +1,17 @@
2007-02-03 Tim-Philipp Müller <tim at centricular dot net>
* gst-libs/gst/audio/Makefile.am:
* gst-libs/gst/audio/gstaudiofiltertemplate.c:
(gst_audio_filter_template_base_init),
(gst_audio_filter_template_class_init),
(gst_audio_filter_template_init),
(gst_audio_filter_template_set_property),
(gst_audio_filter_template_get_property),
(gst_audio_filter_template_setup),
(gst_audio_filter_template_filter),
(gst_audio_filter_template_filter_inplace), (plugin_init):
Oops, forgot to commit fixed-up example.
2007-02-03 Tim-Philipp Müller <tim at centricular dot net> 2007-02-03 Tim-Philipp Müller <tim at centricular dot net>
* docs/libs/gst-plugins-base-libs-sections.txt: * docs/libs/gst-plugins-base-libs-sections.txt:

2
gst-libs/gst/audio/Makefile.am
View File

@ -54,7 +54,7 @@ libgstaudiofilterexample_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
libgstaudiofilterexample_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) libgstaudiofilterexample_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
gstaudiofilterexample.c: $(srcdir)/make_filter $(srcdir)/gstaudiofiltertemplate.c gstaudiofilterexample.c: $(srcdir)/make_filter $(srcdir)/gstaudiofiltertemplate.c
$(srcdir)/make_filter AudiofilterExample $(srcdir)/gstaudiofiltertemplate.c $(srcdir)/make_filter AudioFilterExample $(srcdir)/gstaudiofiltertemplate.c
noinst_PROGRAMS = testchannels noinst_PROGRAMS = testchannels
testchannels_SOURCES = testchannels.c testchannels_SOURCES = testchannels.c

165
gst-libs/gst/audio/gstaudiofiltertemplate.c
View File

@ -34,6 +34,9 @@
#include <gst/audio/gstaudiofilter.h> #include <gst/audio/gstaudiofilter.h>
#include <string.h> #include <string.h>
GST_DEBUG_CATEGORY_STATIC (audio_filter_template_debug);
#define GST_CAT_DEFAULT audio_filter_template_debug
static const GstElementDetails audio_filter_template_details = static const GstElementDetails audio_filter_template_details =
GST_ELEMENT_DETAILS ("Audio filter template", GST_ELEMENT_DETAILS ("Audio filter template",
"Filter/Effect/Audio", "Filter/Effect/Audio",
@ -57,13 +60,11 @@ typedef struct _GstAudioFilterTemplateClass GstAudioFilterTemplateClass;
struct _GstAudioFilterTemplate struct _GstAudioFilterTemplate
{ {
GstAudioFilter audiofilter; GstAudioFilter audiofilter;
}; };
struct _GstAudioFilterTemplateClass struct _GstAudioFilterTemplateClass
{ {
GstAudioFilterClass parent_class; GstAudioFilterClass parent_class;
}; };
@ -79,71 +80,50 @@ enum
/* FILL ME */ /* FILL ME */
}; };
static void gst_audio_filter_template_base_init (gpointer g_class); GST_BOILERPLATE (GstAudioFilterTemplate, gst_audio_filter_template,
static void gst_audio_filter_template_class_init (gpointer g_class, GstAudioFilter, GST_TYPE_AUDIO_FILTER);
gpointer class_data);
static void gst_audio_filter_template_init (GTypeInstance * instance,
gpointer g_class);
static void gst_audio_filter_template_set_property (GObject * object, static void gst_audio_filter_template_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec); guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_audio_filter_template_get_property (GObject * object, static void gst_audio_filter_template_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec); guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_audio_filter_template_setup (GstAudioFilter * audiofilter); static gboolean gst_audio_filter_template_setup (GstAudioFilter * filter,
static void gst_audio_filter_template_filter (GstAudioFilter * audiofilter, GstRingBufferSpec * spec);
static GstFlowReturn gst_audio_filter_template_filter (GstBaseTransform * bt,
GstBuffer * outbuf, GstBuffer * inbuf); GstBuffer * outbuf, GstBuffer * inbuf);
static void gst_audio_filter_template_filter_inplace (GstAudioFilter * static GstFlowReturn
audiofilter, GstBuffer * buf); gst_audio_filter_template_filter_inplace (GstBaseTransform * base_transform,
GstBuffer * buf);
GType #define ALLOWED_CAPS_STRING \
gst_audio_filter_template_get_type (void) GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS
{
static GType audio_filter_template_type = 0;
if (!audio_filter_template_type) {
static const GTypeInfo audio_filter_template_info = {
sizeof (GstAudioFilterTemplateClass),
gst_audio_filter_template_base_init,
NULL,
gst_audio_filter_template_class_init,
NULL,
(gpointer) gst_audio_filter_template_init,
sizeof (GstAudioFilterTemplate),
0,
NULL,
};
audio_filter_template_type = g_type_register_static (GST_TYPE_AUDIO_FILTER,
"GstAudioFilterTemplate", &audio_filter_template_info, 0);
}
return audio_filter_template_type;
}
static void static void
gst_audio_filter_template_base_init (gpointer g_class) gst_audio_filter_template_base_init (gpointer g_class)
{ {
GstAudioFilterTemplateClass *klass = (GstAudioFilterTemplateClass *) g_class; GstAudioFilterTemplateClass *klass = (GstAudioFilterTemplateClass *) g_class;
GstAudioFilterClass *audiofilter_class = GST_AUDIO_FILTER_CLASS (g_class);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstCaps *caps;
gst_element_class_set_details (element_class, &audio_filter_template_details); gst_element_class_set_details (element_class, &audio_filter_template_details);
gst_audio_filter_class_add_pad_templates (GST_AUDIO_FILTER_CLASS (g_class), caps = gst_caps_from_string (ALLOWED_CAPS_STRING);
gst_caps_from_string (GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS)); gst_audio_filter_class_add_pad_templates (audiofilter_class, caps);
gst_caps_unref (caps);
} }
static void static void
gst_audio_filter_template_class_init (gpointer g_class, gpointer class_data) gst_audio_filter_template_class_init (GstAudioFilterTemplateClass * klass)
{ {
GObjectClass *gobject_class; GObjectClass *gobject_class;
GstElementClass *gstelement_class; GstBaseTransformClass *btrans_class;
GstAudioFilterTemplateClass *klass;
GstAudioFilterClass *audio_filter_class; GstAudioFilterClass *audio_filter_class;
klass = (GstAudioFilterTemplateClass *) g_class;
gobject_class = (GObjectClass *) klass; gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass; btrans_class = (GstBaseTransformClass *) klass;
audio_filter_class = (GstAudioFilterClass *) g_class; audio_filter_class = (GstAudioFilterClass *) klass;
#if 0 #if 0
g_object_class_install_property (gobject_class, ARG_METHOD, g_object_class_install_property (gobject_class, ARG_METHOD,
@ -155,78 +135,73 @@ gst_audio_filter_template_class_init (gpointer g_class, gpointer class_data)
gobject_class->set_property = gst_audio_filter_template_set_property; gobject_class->set_property = gst_audio_filter_template_set_property;
gobject_class->get_property = gst_audio_filter_template_get_property; gobject_class->get_property = gst_audio_filter_template_get_property;
/* this function will be called whenever the format changes */
audio_filter_class->setup = gst_audio_filter_template_setup; audio_filter_class->setup = gst_audio_filter_template_setup;
audio_filter_class->filter = gst_audio_filter_template_filter;
audio_filter_class->filter_inplace = gst_audio_filter_template_filter_inplace; /* here you set up functions to process data (either in place, or from
audio_filter_class->filter = NULL; * one input buffer to another output buffer); only one is required */
btrans_class->transform = gst_audio_filter_template_filter;
btrans_class->transform_ip = gst_audio_filter_template_filter_inplace;
} }
static void static void
gst_audio_filter_template_init (GTypeInstance * instance, gpointer g_class) gst_audio_filter_template_init (GstAudioFilterTemplate * audio_filter_template,
GstAudioFilterTemplateClass * g_class)
{ {
//GstAudioFilterTemplate *audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (instance); GST_DEBUG ("init");
//GstAudioFilter *audiofilter = GST_AUDIO_FILTER (instance);
GST_DEBUG ("gst_audio_filter_template_init");
/* do stuff */
/* do stuff if you need to */
} }
static void static void
gst_audio_filter_template_set_property (GObject * object, guint prop_id, gst_audio_filter_template_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec) const GValue * value, GParamSpec * pspec)
{ {
GstAudioFilterTemplate *src; GstAudioFilterTemplate *filter;
g_return_if_fail (GST_IS_AUDIO_FILTER_TEMPLATE (object)); filter = GST_AUDIO_FILTER_TEMPLATE (object);
src = GST_AUDIO_FILTER_TEMPLATE (object);
GST_DEBUG ("gst_audio_filter_template_set_property"); GST_DEBUG ("set property %u", prop_id);
GST_OBJECT_LOCK (filter);
switch (prop_id) { switch (prop_id) {
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
} }
GST_OBJECT_UNLOCK (filter);
} }
static void static void
gst_audio_filter_template_get_property (GObject * object, guint prop_id, gst_audio_filter_template_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec) GValue * value, GParamSpec * pspec)
{ {
GstAudioFilterTemplate *src; GstAudioFilterTemplate *filter;
g_return_if_fail (GST_IS_AUDIO_FILTER_TEMPLATE (object)); filter = GST_AUDIO_FILTER_TEMPLATE (object);
src = GST_AUDIO_FILTER_TEMPLATE (object);
GST_DEBUG ("get property %u", prop_id);
GST_OBJECT_LOCK (filter);
switch (prop_id) { switch (prop_id) {
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
} }
GST_OBJECT_UNLOCK (filter);
} }
static gboolean static gboolean
plugin_init (GstPlugin * plugin) gst_audio_filter_template_setup (GstAudioFilter * filter,
{ GstRingBufferSpec * spec)
return gst_element_register (plugin, "audiofiltertemplate", GST_RANK_NONE,
GST_TYPE_AUDIO_FILTER_TEMPLATE);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"gstaudio_filter_template",
"Audio filter template",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
static void gst_audio_filter_template_setup (GstAudioFilter * audiofilter)
{ {
GstAudioFilterTemplate *audio_filter_template; GstAudioFilterTemplate *audio_filter_template;
g_return_if_fail (GST_IS_AUDIO_FILTER_TEMPLATE (audiofilter)); audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (filter);
audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (audiofilter);
/* if any setup needs to be done, do it here */ /* if any setup needs to be done, do it here */
return TRUE; /* it's all good */
} }
/* You may choose to implement either a copying filter or an /* You may choose to implement either a copying filter or an
@ -235,31 +210,53 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
* audiofilter to use the optimal function in every situation, * audiofilter to use the optimal function in every situation,
* with a minimum of memory copies. */ * with a minimum of memory copies. */
static void static GstFlowReturn
gst_audio_filter_template_filter (GstAudioFilter * audiofilter, gst_audio_filter_template_filter (GstBaseTransform * base_transform,
GstBuffer * outbuf, GstBuffer * inbuf) GstBuffer * inbuf, GstBuffer * outbuf)
{ {
GstAudioFilterTemplate *audio_filter_template; GstAudioFilterTemplate *audio_filter_template;
GstAudioFilter *audiofilter;
g_return_if_fail (GST_IS_AUDIO_FILTER_TEMPLATE (audiofilter)); audiofilter = GST_AUDIO_FILTER (base_transform);
audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (audiofilter); audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (base_transform);
/* do something interesting here. This simply copies the source /* do something interesting here. This simply copies the source
* to the destination. */ * to the destination. */
memcpy (GST_BUFFER_DATA (outbuf), GST_BUFFER_DATA (inbuf), audiofilter->size); memcpy (GST_BUFFER_DATA (outbuf), GST_BUFFER_DATA (inbuf),
GST_BUFFER_SIZE (inbuf));
return GST_FLOW_OK;
} }
static void static GstFlowReturn
gst_audio_filter_template_filter_inplace (GstAudioFilter * audiofilter, gst_audio_filter_template_filter_inplace (GstBaseTransform * base_transform,
GstBuffer * buf) GstBuffer * buf)
{ {
GstAudioFilterTemplate *audio_filter_template; GstAudioFilterTemplate *audio_filter_template;
GstAudioFilter *audiofilter;
g_return_if_fail (GST_IS_AUDIO_FILTER_TEMPLATE (audiofilter)); audiofilter = GST_AUDIO_FILTER (base_transform);
audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (audiofilter); audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (base_transform);
/* do something interesting here. This simply copies the source /* do something interesting here. This simply copies the source
* to the destination. */ * to the destination. */
return GST_FLOW_OK;
} }
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (audio_filter_template_debug, "audiofiltertemplate",
0, "audiofiltertemplate");
return gst_element_register (plugin, "audiofiltertemplate", GST_RANK_NONE,
GST_TYPE_AUDIO_FILTER_TEMPLATE);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"gstaudio_filter_template",
"Audio filter template",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);