Commit 56bff379 authored by Thomas Vander Stichele's avatar Thomas Vander Stichele Committed by Jan Schmidt

[MOVED FROM BAD] BBB asked me to rename lav to y4m can someone who knows the...

[MOVED FROM BAD] BBB asked me to rename lav to y4m can someone who knows the plugin do this in the source as well ?

Original commit message from CVS:
BBB asked me to rename lav to y4m
can someone who knows the plugin do this in the source as well ?
parent 044c1e30
plugindir = $(libdir)/gst
filter_LTLIBRARIES = libgsty4mencode.la
libgsty4mencode_la_SOURCES = gsty4mencode.c
libgsty4mencode_la_CFLAGS = $(GST_CFLAGS)
noinst_HEADERS = gsty4mencode.h
/* Gnome-Streamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <string.h>
#include <gst/gst.h>
#include "gstlavencode.h"
static GstElementDetails lavencode_details = {
"LavEncode",
"Filter/LAV/Encoder",
"Encodes a YUV frame into the lav format (mjpeg_tools)",
VERSION,
"Wim Taymans <wim.taymans@chello.be>",
"(C) 2001",
};
/* Filter signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0
};
GST_PADTEMPLATE_FACTORY (lavencode_src_factory,
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"test_src",
"application/x-lav",
NULL
)
)
GST_PADTEMPLATE_FACTORY (lavencode_sink_factory,
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"test_src",
"video/raw",
"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
"width", GST_PROPS_INT_RANGE (0, G_MAXINT),
"height", GST_PROPS_INT_RANGE (0, G_MAXINT)
)
)
static void gst_lavencode_class_init (GstLavEncodeClass *klass);
static void gst_lavencode_init (GstLavEncode *filter);
static void gst_lavencode_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void gst_lavencode_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static void gst_lavencode_chain (GstPad *pad, GstBuffer *buf);
static GstElementStateReturn gst_lavencode_change_state (GstElement *element);
static GstElementClass *parent_class = NULL;
//static guint gst_filter_signals[LAST_SIGNAL] = { 0 };
GType
gst_lavencode_get_type(void) {
static GType lavencode_type = 0;
if (!lavencode_type) {
static const GTypeInfo lavencode_info = {
sizeof(GstLavEncodeClass), NULL,
NULL,
(GClassInitFunc)gst_lavencode_class_init,
NULL,
NULL,
sizeof(GstLavEncode),
0,
(GInstanceInitFunc)gst_lavencode_init,
};
lavencode_type = g_type_register_static(GST_TYPE_ELEMENT, "GstLavEncode", &lavencode_info, 0);
}
return lavencode_type;
}
static void
gst_lavencode_class_init (GstLavEncodeClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
gstelement_class->change_state = gst_lavencode_change_state;
gobject_class->set_property = gst_lavencode_set_property;
gobject_class->get_property = gst_lavencode_get_property;
}
static void
gst_lavencode_newcaps (GstPad *pad, GstCaps *caps)
{
GstLavEncode *filter;
filter = GST_LAVENCODE (gst_pad_get_parent (pad));
filter->width = gst_caps_get_int (caps, "width");
filter->height = gst_caps_get_int (caps, "height");
}
static void
gst_lavencode_init (GstLavEncode *filter)
{
filter->sinkpad = gst_pad_new_from_template(
GST_PADTEMPLATE_GET (lavencode_sink_factory), "sink");
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_pad_set_chain_function (filter->sinkpad, gst_lavencode_chain);
gst_pad_set_newcaps_function (filter->sinkpad, gst_lavencode_newcaps);
filter->srcpad = gst_pad_new_from_template(
GST_PADTEMPLATE_GET (lavencode_src_factory), "src");
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->init = TRUE;
}
static void
gst_lavencode_chain (GstPad *pad,GstBuffer *buf)
{
GstLavEncode *filter;
GstBuffer* outbuf;
gchar *header;
gint len;
g_return_if_fail(pad != NULL);
g_return_if_fail(GST_IS_PAD(pad));
g_return_if_fail(buf != NULL);
filter = GST_LAVENCODE (gst_pad_get_parent (pad));
g_return_if_fail(filter != NULL);
g_return_if_fail(GST_IS_LAVENCODE(filter));
outbuf = gst_buffer_new ();
GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (buf) + 256);
if (filter->init) {
header = "YUV4MPEG %d %d %d\nFRAME\n";
filter->init = FALSE;
}
else {
header = "FRAME\n";
}
snprintf (GST_BUFFER_DATA (outbuf), 255, header, filter->width, filter->height, 3);
len = strlen (GST_BUFFER_DATA (outbuf));
memcpy (GST_BUFFER_DATA (outbuf) + len, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
GST_BUFFER_SIZE (outbuf) = GST_BUFFER_SIZE (buf) + len;
gst_buffer_unref(buf);
gst_pad_push(filter->srcpad,outbuf);
}
static void
gst_lavencode_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstLavEncode *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_LAVENCODE(object));
filter = GST_LAVENCODE(object);
switch (prop_id) {
default:
break;
}
}
static void
gst_lavencode_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstLavEncode *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_LAVENCODE(object));
filter = GST_LAVENCODE(object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstElementStateReturn
gst_lavencode_change_state (GstElement *element)
{
GstLavEncode *filter;
g_return_val_if_fail (GST_IS_LAVENCODE (element), GST_STATE_FAILURE);
filter = GST_LAVENCODE(element);
if (GST_STATE_TRANSITION (element) == GST_STATE_NULL_TO_READY) {
filter->init = TRUE;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
factory = gst_elementfactory_new("lavencode",GST_TYPE_LAVENCODE,
&lavencode_details);
g_return_val_if_fail(factory != NULL, FALSE);
gst_elementfactory_add_padtemplate (factory,
GST_PADTEMPLATE_GET (lavencode_src_factory));
gst_elementfactory_add_padtemplate (factory,
GST_PADTEMPLATE_GET (lavencode_sink_factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
return TRUE;
}
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"lavencode",
plugin_init
};
/* Gnome-Streamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_LAVENCODE_H__
#define __GST_LAVENCODE_H__
#include <config.h>
#include <gst/gst.h>
// #include <gst/meta/audioraw.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_LAVENCODE \
(gst_lavencode_get_type())
#define GST_LAVENCODE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LAVENCODE,GstLavEncode))
#define GST_LAVENCODE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstLavEncode))
#define GST_IS_LAVENCODE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LAVENCODE))
#define GST_IS_LAVENCODE_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LAVENCODE))
typedef struct _GstLavEncode GstLavEncode;
typedef struct _GstLavEncodeClass GstLavEncodeClass;
struct _GstLavEncode {
GstElement element;
GstPad *sinkpad,*srcpad;
gint width, height;
gboolean init;
};
struct _GstLavEncodeClass {
GstElementClass parent_class;
};
GType gst_lavencode_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_STEREO_H__ */
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