mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 13:41:48 +00:00
Added libcolorspace plugin
Original commit message from CVS: Added libcolorspace plugin
This commit is contained in:
Wim Taymans
parent
5ddc6ee6e1
commit
2641c8c05f
2 changed files with 542 additions and 0 deletions
10
ext/lcs/Makefile.am
Normal file
10
ext/lcs/Makefile.am
Normal file
|
|
@ -0,0 +1,10 @@
|
||||||
|
plugindir = $(libdir)/gst
|
||||||
|
|
||||||
|
plugin_LTLIBRARIES = libgstcolorspace.la
|
||||||
|
|
||||||
|
libgstcolorspace_la_SOURCES = gstcolorspace.c
|
||||||
|
libgstcolorspace_la_CFLAGS = $(GST_CFLAGS) $(LCS_CFLAGS)
|
||||||
|
libgstcolorspace_la_LIBADD = $(LCS_LIBS)
|
||||||
|
libgstcolorspace_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
|
||||||
|
|
||||||
|
noinst_HEADERS =
|
||||||
532
ext/lcs/gstcolorspace.c
Normal file
532
ext/lcs/gstcolorspace.c
Normal file
|
|
@ -0,0 +1,532 @@
|
||||||
|
/* GStreamer
|
||||||
|
* 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 <gst/gst.h>
|
||||||
|
#include <lcs/lcs.h>
|
||||||
|
|
||||||
|
#define GST_TYPE_COLORSPACE \
|
||||||
|
(gst_colorspace_get_type())
|
||||||
|
#define GST_COLORSPACE(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_COLORSPACE,GstColorspace))
|
||||||
|
#define GST_COLORSPACE_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstColorspace))
|
||||||
|
#define GST_IS_COLORSPACE(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_COLORSPACE))
|
||||||
|
#define GST_IS_COLORSPACE_CLASS(obj) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_COLORSPACE))
|
||||||
|
|
||||||
|
typedef struct _GstColorspace GstColorspace;
|
||||||
|
typedef struct _GstColorspaceClass GstColorspaceClass;
|
||||||
|
|
||||||
|
typedef enum {
|
||||||
|
GST_COLORSPACE_NONE,
|
||||||
|
GST_COLORSPACE_LCS,
|
||||||
|
} GstColorSpaceConverterType;
|
||||||
|
|
||||||
|
struct _GstColorspace {
|
||||||
|
GstElement element;
|
||||||
|
|
||||||
|
GstPad *sinkpad, *srcpad;
|
||||||
|
|
||||||
|
LCSConverter *converter;
|
||||||
|
|
||||||
|
GstColorSpaceConverterType type;
|
||||||
|
gint width, height;
|
||||||
|
gboolean disabled;
|
||||||
|
|
||||||
|
GstCaps *sinkcaps;
|
||||||
|
|
||||||
|
GstBufferPool *pool;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstColorspaceClass {
|
||||||
|
GstElementClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
static GstElementDetails colorspace_details = {
|
||||||
|
"Colorspace converter",
|
||||||
|
"Filter/Effect",
|
||||||
|
"Converts video from one colorspace to another",
|
||||||
|
VERSION,
|
||||||
|
"Wim Taymans <wim.taymans@chello.be>",
|
||||||
|
"(C) 2001",
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/* Stereo signals and args */
|
||||||
|
enum {
|
||||||
|
/* FILL ME */
|
||||||
|
LAST_SIGNAL
|
||||||
|
};
|
||||||
|
|
||||||
|
enum {
|
||||||
|
ARG_0,
|
||||||
|
ARG_SOURCE,
|
||||||
|
ARG_DEST,
|
||||||
|
};
|
||||||
|
|
||||||
|
GST_PADTEMPLATE_FACTORY (colorspace_src_template_factory,
|
||||||
|
"src",
|
||||||
|
GST_PAD_SRC,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_CAPS_NEW (
|
||||||
|
"colorspace_src",
|
||||||
|
"video/raw",
|
||||||
|
"format", GST_PROPS_LIST (
|
||||||
|
GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
|
||||||
|
GST_PROPS_FOURCC (GST_STR_FOURCC ("YUY2")),
|
||||||
|
GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB "))
|
||||||
|
),
|
||||||
|
"width", GST_PROPS_INT_RANGE (0, G_MAXINT),
|
||||||
|
"height", GST_PROPS_INT_RANGE (0, G_MAXINT)
|
||||||
|
)
|
||||||
|
)
|
||||||
|
|
||||||
|
GST_PADTEMPLATE_FACTORY (colorspace_sink_template_factory,
|
||||||
|
"sink",
|
||||||
|
GST_PAD_SINK,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_CAPS_NEW (
|
||||||
|
"colorspace_sink",
|
||||||
|
"video/raw",
|
||||||
|
"format", GST_PROPS_LIST (
|
||||||
|
GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
|
||||||
|
GST_PROPS_FOURCC (GST_STR_FOURCC ("YUY2")),
|
||||||
|
GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB "))
|
||||||
|
),
|
||||||
|
"width", GST_PROPS_INT_RANGE (0, G_MAXINT),
|
||||||
|
"height", GST_PROPS_INT_RANGE (0, G_MAXINT)
|
||||||
|
)
|
||||||
|
)
|
||||||
|
|
||||||
|
static GType gst_colorspace_get_type (void);
|
||||||
|
|
||||||
|
static void gst_colorspace_class_init (GstColorspaceClass *klass);
|
||||||
|
static void gst_colorspace_init (GstColorspace *space);
|
||||||
|
|
||||||
|
static void gst_colorspace_set_property (GObject *object, guint prop_id,
|
||||||
|
const GValue *value, GParamSpec *pspec);
|
||||||
|
static void gst_colorspace_get_property (GObject *object, guint prop_id,
|
||||||
|
GValue *value, GParamSpec *pspec);
|
||||||
|
|
||||||
|
static GstPadConnectReturn
|
||||||
|
gst_colorspace_sinkconnect (GstPad *pad, GstCaps *caps);
|
||||||
|
static GstPadConnectReturn
|
||||||
|
gst_colorspace_srcconnect (GstPad *pad, GstCaps *caps);
|
||||||
|
static GstPadConnectReturn
|
||||||
|
gst_colorspace_srcconnect_func (GstPad *pad, GstCaps *caps, gboolean newcaps);
|
||||||
|
static void gst_colorspace_chain (GstPad *pad, GstBuffer *buf);
|
||||||
|
static GstElementStateReturn
|
||||||
|
gst_colorspace_change_state (GstElement *element);
|
||||||
|
|
||||||
|
static GstElementClass *parent_class = NULL;
|
||||||
|
/*static guint gst_colorspace_signals[LAST_SIGNAL] = { 0 }; */
|
||||||
|
|
||||||
|
static GstBufferPool*
|
||||||
|
colorspace_get_bufferpool (GstPad *pad)
|
||||||
|
{
|
||||||
|
GstColorspace *space;
|
||||||
|
|
||||||
|
space = GST_COLORSPACE (gst_pad_get_parent (pad));
|
||||||
|
|
||||||
|
if (space->type == GST_COLORSPACE_NONE && !space->disabled)
|
||||||
|
return gst_pad_get_bufferpool (space->srcpad);
|
||||||
|
else
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const LCSFormat*
|
||||||
|
colorspace_find_lcs_format (GstCaps *caps)
|
||||||
|
{
|
||||||
|
const LCSFormat *format = NULL;
|
||||||
|
guint32 space;
|
||||||
|
|
||||||
|
gst_caps_get_fourcc_int (caps, "format", &space);
|
||||||
|
|
||||||
|
if (space == GST_MAKE_FOURCC ('R','G','B',' ')) {
|
||||||
|
gint mask, bpp;
|
||||||
|
|
||||||
|
gulong red_bits, red_shift;
|
||||||
|
gulong green_bits, green_shift;
|
||||||
|
gulong blue_bits, blue_shift;
|
||||||
|
|
||||||
|
gst_caps_get_int (caps, "bpp", &bpp);
|
||||||
|
gst_caps_get_int (caps, "red_mask", &mask);
|
||||||
|
lcs_utils_mask_to_shift (mask, &red_bits, &red_shift);
|
||||||
|
gst_caps_get_int (caps, "green_mask", &mask);
|
||||||
|
lcs_utils_mask_to_shift (mask, &green_bits, &green_shift);
|
||||||
|
gst_caps_get_int (caps, "blue_mask", &mask);
|
||||||
|
lcs_utils_mask_to_shift (mask, &blue_bits, &blue_shift);
|
||||||
|
|
||||||
|
format = lcs_format_new_simple_rgb_packed (red_bits, green_bits, blue_bits, 0,
|
||||||
|
red_shift, green_shift, blue_shift, 0, bpp);
|
||||||
|
|
||||||
|
g_print ("%lu %lu %lu %lu %lu %lu %s\n", red_bits, green_bits, blue_bits,
|
||||||
|
red_shift, green_shift, blue_shift, lcs_format_get_layout (format));
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
gchar fourcc[5];
|
||||||
|
|
||||||
|
lcs_utils_fourcc_to_string (space, fourcc);
|
||||||
|
format = lcs_alias_find_format (fourcc);
|
||||||
|
}
|
||||||
|
|
||||||
|
return format;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
colorspace_setup_converter (GstColorspace *space, GstCaps *from_caps, GstCaps *to_caps)
|
||||||
|
{
|
||||||
|
const LCSFormat *from_format = NULL;
|
||||||
|
const LCSFormat *to_format = NULL;
|
||||||
|
|
||||||
|
g_return_val_if_fail (to_caps != NULL, FALSE);
|
||||||
|
g_return_val_if_fail (from_caps != NULL, FALSE);
|
||||||
|
|
||||||
|
from_format = colorspace_find_lcs_format (from_caps);
|
||||||
|
to_format = colorspace_find_lcs_format (to_caps);
|
||||||
|
|
||||||
|
space->converter = lcs_get_converter (from_format, to_format, LCS_FLAG_FAST);
|
||||||
|
|
||||||
|
if (space->converter) {
|
||||||
|
space->type = GST_COLORSPACE_LCS;
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstCaps*
|
||||||
|
gst_colorspace_getcaps (GstPad *pad, GstCaps *caps)
|
||||||
|
{
|
||||||
|
GstColorspace *space;
|
||||||
|
GstCaps *result;
|
||||||
|
GstCaps *peercaps;
|
||||||
|
GstCaps *ourcaps;
|
||||||
|
|
||||||
|
space = GST_COLORSPACE (gst_pad_get_parent (pad));
|
||||||
|
|
||||||
|
/* we can do everything our peer can... */
|
||||||
|
peercaps = gst_caps_copy (gst_pad_get_allowed_caps (space->srcpad));
|
||||||
|
/* and our own template of course */
|
||||||
|
ourcaps = gst_caps_copy (gst_pad_get_padtemplate_caps (pad));
|
||||||
|
|
||||||
|
/* merge them together, we prefer the peercaps first */
|
||||||
|
result = gst_caps_prepend (ourcaps, peercaps);
|
||||||
|
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstPadConnectReturn
|
||||||
|
gst_colorspace_sinkconnect (GstPad *pad, GstCaps *caps)
|
||||||
|
{
|
||||||
|
GstColorspace *space;
|
||||||
|
GstPad *peer;
|
||||||
|
|
||||||
|
space = GST_COLORSPACE (gst_pad_get_parent (pad));
|
||||||
|
|
||||||
|
if (!GST_CAPS_IS_FIXED (caps)) {
|
||||||
|
return GST_PAD_CONNECT_DELAYED;
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_caps_get_int (caps, "width", &space->width);
|
||||||
|
gst_caps_get_int (caps, "height", &space->height);
|
||||||
|
|
||||||
|
GST_INFO (GST_CAT_PROPERTIES, "size: %dx%d", space->width, space->height);
|
||||||
|
|
||||||
|
space->sinkcaps = caps;
|
||||||
|
|
||||||
|
peer = gst_pad_get_peer (pad);
|
||||||
|
if (peer) {
|
||||||
|
if (!gst_colorspace_srcconnect_func (pad, gst_pad_get_allowed_caps (space->srcpad), FALSE)) {
|
||||||
|
space->sinkcaps = NULL;
|
||||||
|
return GST_PAD_CONNECT_REFUSED;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return GST_PAD_CONNECT_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstPadConnectReturn
|
||||||
|
gst_colorspace_srcconnect (GstPad *pad, GstCaps *caps)
|
||||||
|
{
|
||||||
|
return gst_colorspace_srcconnect_func (pad, caps, TRUE);
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstPadConnectReturn
|
||||||
|
gst_colorspace_srcconnect_func (GstPad *pad, GstCaps *caps, gboolean newcaps)
|
||||||
|
{
|
||||||
|
GstColorspace *space;
|
||||||
|
GstCaps *peercaps;
|
||||||
|
GstCaps *ourcaps;
|
||||||
|
|
||||||
|
space = GST_COLORSPACE (gst_pad_get_parent (pad));
|
||||||
|
|
||||||
|
/* we cannot operate if we didn't get src caps */
|
||||||
|
ourcaps = space->sinkcaps;
|
||||||
|
if (!ourcaps) {
|
||||||
|
if (newcaps)
|
||||||
|
gst_pad_recalc_allowed_caps (space->sinkpad);
|
||||||
|
|
||||||
|
return GST_PAD_CONNECT_DELAYED;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* first see if we can do the format natively by filtering the peer caps
|
||||||
|
* with our incomming caps */
|
||||||
|
peercaps = gst_caps_intersect (caps, ourcaps);
|
||||||
|
if (peercaps) {
|
||||||
|
/* see if the peer likes it too, it should as the caps say so.. */
|
||||||
|
if (gst_pad_try_set_caps (space->srcpad, peercaps)) {
|
||||||
|
space->type = GST_COLORSPACE_NONE;
|
||||||
|
space->disabled = FALSE;
|
||||||
|
return GST_PAD_CONNECT_DONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
/* then see what the peer has that matches the size */
|
||||||
|
peercaps = gst_caps_intersect (caps,
|
||||||
|
GST_CAPS_NEW (
|
||||||
|
"colorspace_filter",
|
||||||
|
"video/raw",
|
||||||
|
"width", GST_PROPS_INT (space->width),
|
||||||
|
"height", GST_PROPS_INT (space->height)
|
||||||
|
));
|
||||||
|
|
||||||
|
/* we are looping over the caps, so we have to get rid of the lists */
|
||||||
|
peercaps = gst_caps_normalize (peercaps);
|
||||||
|
|
||||||
|
/* loop over all possibilities and select the first one we can convert and
|
||||||
|
* is accepted by the peer */
|
||||||
|
while (peercaps) {
|
||||||
|
if (colorspace_setup_converter (space, ourcaps, peercaps)) {
|
||||||
|
if (gst_pad_try_set_caps (space->srcpad, peercaps)) {
|
||||||
|
space->disabled = FALSE;
|
||||||
|
return GST_PAD_CONNECT_DONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
peercaps = peercaps->next;
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_element_error (GST_ELEMENT (space), "could not agree on caps with peer pads");
|
||||||
|
/* we disable ourself here */
|
||||||
|
space->disabled = TRUE;
|
||||||
|
|
||||||
|
return GST_PAD_CONNECT_REFUSED;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GType
|
||||||
|
gst_colorspace_get_type (void)
|
||||||
|
{
|
||||||
|
static GType colorspace_type = 0;
|
||||||
|
|
||||||
|
if (!colorspace_type) {
|
||||||
|
static const GTypeInfo colorspace_info = {
|
||||||
|
sizeof(GstColorspaceClass),
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
(GClassInitFunc)gst_colorspace_class_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
sizeof(GstColorspace),
|
||||||
|
0,
|
||||||
|
(GInstanceInitFunc)gst_colorspace_init,
|
||||||
|
};
|
||||||
|
colorspace_type = g_type_register_static(GST_TYPE_ELEMENT, "GstColorspaceLCS", &colorspace_info, 0);
|
||||||
|
}
|
||||||
|
return colorspace_type;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_colorspace_class_init (GstColorspaceClass *klass)
|
||||||
|
{
|
||||||
|
GObjectClass *gobject_class;
|
||||||
|
GstElementClass *gstelement_class;
|
||||||
|
|
||||||
|
gobject_class = (GObjectClass*)klass;
|
||||||
|
gstelement_class = (GstElementClass*)klass;
|
||||||
|
|
||||||
|
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
|
||||||
|
|
||||||
|
gobject_class->set_property = gst_colorspace_set_property;
|
||||||
|
gobject_class->get_property = gst_colorspace_get_property;
|
||||||
|
|
||||||
|
gstelement_class->change_state = gst_colorspace_change_state;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_colorspace_init (GstColorspace *space)
|
||||||
|
{
|
||||||
|
space->sinkpad = gst_pad_new_from_template (
|
||||||
|
GST_PADTEMPLATE_GET (colorspace_sink_template_factory), "sink");
|
||||||
|
gst_pad_set_connect_function (space->sinkpad, gst_colorspace_sinkconnect);
|
||||||
|
gst_pad_set_getcaps_function (space->sinkpad, gst_colorspace_getcaps);
|
||||||
|
gst_pad_set_bufferpool_function (space->sinkpad, colorspace_get_bufferpool);
|
||||||
|
gst_pad_set_chain_function(space->sinkpad,gst_colorspace_chain);
|
||||||
|
gst_element_add_pad(GST_ELEMENT(space),space->sinkpad);
|
||||||
|
|
||||||
|
space->srcpad = gst_pad_new_from_template (
|
||||||
|
GST_PADTEMPLATE_GET (colorspace_src_template_factory), "src");
|
||||||
|
gst_element_add_pad(GST_ELEMENT(space),space->srcpad);
|
||||||
|
gst_pad_set_connect_function (space->srcpad, gst_colorspace_srcconnect);
|
||||||
|
|
||||||
|
space->pool = NULL;
|
||||||
|
space->disabled = TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_colorspace_chain (GstPad *pad,GstBuffer *buf)
|
||||||
|
{
|
||||||
|
GstColorspace *space;
|
||||||
|
GstBuffer *outbuf = NULL;
|
||||||
|
|
||||||
|
g_return_if_fail (pad != NULL);
|
||||||
|
g_return_if_fail (GST_IS_PAD (pad));
|
||||||
|
g_return_if_fail (buf != NULL);
|
||||||
|
|
||||||
|
space = GST_COLORSPACE (gst_pad_get_parent (pad));
|
||||||
|
|
||||||
|
g_return_if_fail (space != NULL);
|
||||||
|
g_return_if_fail (GST_IS_COLORSPACE (space));
|
||||||
|
|
||||||
|
if (space->disabled) {
|
||||||
|
gst_buffer_unref (buf);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (space->type == GST_COLORSPACE_NONE) {
|
||||||
|
outbuf = buf;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
if (space->pool) {
|
||||||
|
outbuf = gst_buffer_new_from_pool (space->pool, 0, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!outbuf) {
|
||||||
|
guint size;
|
||||||
|
outbuf = gst_buffer_new ();
|
||||||
|
|
||||||
|
lcs_format_buffer_size (
|
||||||
|
lcs_convert_get_dest_format (space->converter),
|
||||||
|
space->width, space->height, &size);
|
||||||
|
|
||||||
|
GST_BUFFER_SIZE (outbuf) = size;
|
||||||
|
GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
|
||||||
|
}
|
||||||
|
|
||||||
|
if (space->type == GST_COLORSPACE_LCS) {
|
||||||
|
lcs_convert_auto (space->converter,
|
||||||
|
GST_BUFFER_DATA (buf),
|
||||||
|
GST_BUFFER_DATA (outbuf),
|
||||||
|
space->width, space->height);
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
|
||||||
|
|
||||||
|
gst_buffer_unref (buf);
|
||||||
|
}
|
||||||
|
gst_pad_push (space->srcpad, outbuf);
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstElementStateReturn
|
||||||
|
gst_colorspace_change_state (GstElement *element)
|
||||||
|
{
|
||||||
|
GstColorspace *space;
|
||||||
|
|
||||||
|
space = GST_COLORSPACE (element);
|
||||||
|
|
||||||
|
switch (GST_STATE_TRANSITION (element)) {
|
||||||
|
case GST_STATE_PAUSED_TO_PLAYING:
|
||||||
|
space->pool = gst_pad_get_bufferpool (space->srcpad);
|
||||||
|
break;
|
||||||
|
case GST_STATE_PLAYING_TO_PAUSED:
|
||||||
|
space->pool = NULL;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
parent_class->change_state (element);
|
||||||
|
|
||||||
|
return GST_STATE_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_colorspace_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
GstColorspace *space;
|
||||||
|
|
||||||
|
/* it's not null if we got it, but it might not be ours */
|
||||||
|
g_return_if_fail(GST_IS_COLORSPACE(object));
|
||||||
|
space = GST_COLORSPACE(object);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_colorspace_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
GstColorspace *space;
|
||||||
|
|
||||||
|
/* it's not null if we got it, but it might not be ours */
|
||||||
|
g_return_if_fail(GST_IS_COLORSPACE(object));
|
||||||
|
space = GST_COLORSPACE(object);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GModule *module, GstPlugin *plugin)
|
||||||
|
{
|
||||||
|
GstElementFactory *factory;
|
||||||
|
|
||||||
|
lcs_init (NULL, NULL);
|
||||||
|
|
||||||
|
factory = gst_elementfactory_new ("colorspacelcs", GST_TYPE_COLORSPACE,
|
||||||
|
&colorspace_details);
|
||||||
|
g_return_val_if_fail (factory != NULL, FALSE);
|
||||||
|
|
||||||
|
gst_elementfactory_add_padtemplate (factory,
|
||||||
|
GST_PADTEMPLATE_GET (colorspace_src_template_factory));
|
||||||
|
gst_elementfactory_add_padtemplate (factory,
|
||||||
|
GST_PADTEMPLATE_GET (colorspace_sink_template_factory));
|
||||||
|
|
||||||
|
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
GstPluginDesc plugin_desc = {
|
||||||
|
GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
"colorspacelcs",
|
||||||
|
plugin_init
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in a new issue