Commit 1aa9f76c authored by Julien Moutte's avatar Julien Moutte

configure.ac: Adding videomixer.

Original commit message from CVS:
2005-10-17  Julien MOUTTE  <julien@moutte.net>

* configure.ac: Adding videomixer.
* ext/libpng/gstpngdec.c: (gst_pngdec_class_init),
(user_read_data), (gst_pngdec_chain): More debugging.
* gst/alpha/Makefile.am: Adding alphacolor
* gst/alpha/gstalphacolor.c: (gst_alpha_color_base_init),
(gst_alpha_color_class_init), (gst_alpha_color_init),
(gst_alpha_color_transform_caps), (gst_alpha_color_set_caps),
(transform_rgb), (transform_bgr),
(gst_alpha_color_transform_ip),
(plugin_init): Ported to 0.9 using in place base tranform.
* gst/videomixer/Makefile.am:
* gst/videomixer/videomixer.c: (gst_videomixer_pad_get_type),
(gst_videomixer_pad_class_init),
(gst_videomixer_pad_sink_setcaps),
(gst_videomixer_pad_link), (gst_videomixer_pad_unlink),
(gst_videomixer_pad_init), (gst_videomixer_class_init),
(gst_videomixer_init), (gst_videomixer_getcaps),
(gst_videomixer_request_new_pad), (gst_videomixer_fill_queues),
(gst_videomixer_blend_buffers), (gst_videomixer_update_queues),
(gst_videomixer_collected), (gst_videomixer_change_state):
Ported
to 0.9 using collectpads.
parent e509e398
2005-10-17 Julien MOUTTE <julien@moutte.net>
* configure.ac: Adding videomixer.
* ext/libpng/gstpngdec.c: (gst_pngdec_class_init),
(user_read_data), (gst_pngdec_chain): More debugging.
* gst/alpha/Makefile.am: Adding alphacolor
* gst/alpha/gstalphacolor.c: (gst_alpha_color_base_init),
(gst_alpha_color_class_init), (gst_alpha_color_init),
(gst_alpha_color_transform_caps), (gst_alpha_color_set_caps),
(transform_rgb), (transform_bgr), (gst_alpha_color_transform_ip),
(plugin_init): Ported to 0.9 using in place base tranform.
* gst/videomixer/Makefile.am:
* gst/videomixer/videomixer.c: (gst_videomixer_pad_get_type),
(gst_videomixer_pad_class_init), (gst_videomixer_pad_sink_setcaps),
(gst_videomixer_pad_link), (gst_videomixer_pad_unlink),
(gst_videomixer_pad_init), (gst_videomixer_class_init),
(gst_videomixer_init), (gst_videomixer_getcaps),
(gst_videomixer_request_new_pad), (gst_videomixer_fill_queues),
(gst_videomixer_blend_buffers), (gst_videomixer_update_queues),
(gst_videomixer_collected), (gst_videomixer_change_state): Ported
to 0.9 using collectpads.
2005-10-17 Zeeshan Ali <zeenix at gmail dot com>
* configure.ac:
......
......@@ -281,6 +281,7 @@ GST_PLUGINS_ALL="\
smpte \
udp \
videobox \
videomixer \
wavenc \
wavparse \
"
......@@ -601,6 +602,7 @@ gst/smpte/Makefile
gst/udp/Makefile
gst/videobox/Makefile
gst/videofilter/Makefile
gst/videomixer/Makefile
gst/wavenc/Makefile
gst/wavparse/Makefile
gst/flx/Makefile
......
......@@ -326,7 +326,7 @@ gst_pngdec_chain (GstPad * pad, GstBuffer * buf)
gst_buffer_unref (buf);
/* Pushing */
GST_LOG ("pushing our raw RGB frame");
GST_LOG ("pushing our raw RGB frame of %d bytes", GST_BUFFER_SIZE (out));
ret = gst_pad_push (pngdec->srcpad, out);
beach:
......
plugin_LTLIBRARIES = libgstalpha.la
plugin_LTLIBRARIES = libgstalpha.la libgstalphacolor.la
libgstalpha_la_SOURCES = gstalpha.c
libgstalpha_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS)
libgstalpha_la_LIBADD = $(GST_LIBS)
libgstalpha_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstalphacolor_la_SOURCES = gstalphacolor.c
libgstalphacolor_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS)
libgstalphacolor_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS)
libgstalphacolor_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS =
/* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
#include <string.h>
GST_DEBUG_CATEGORY (alpha_color_debug);
#define GST_CAT_DEFAULT alpha_color_debug
#define GST_TYPE_ALPHA_COLOR \
(gst_alpha_color_get_type())
#define GST_ALPHA_COLOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALPHA_COLOR,GstAlphaColor))
#define GST_ALPHA_COLOR_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALPHA_COLOR,GstAlphaColorClass))
#define GST_IS_ALPHA_COLOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALPHA_COLOR))
#define GST_IS_ALPHA_COLOR_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALPHA_COLOR))
typedef struct _GstAlphaColor GstAlphaColor;
typedef struct _GstAlphaColorClass GstAlphaColorClass;
struct _GstAlphaColor
{
GstBaseTransform element;
/* caps */
gint in_width, in_height;
gboolean in_rgba;
gint out_width, out_height;
};
struct _GstAlphaColorClass
{
GstBaseTransformClass parent_class;
};
/* elementfactory information */
static GstElementDetails gst_alpha_color_details =
GST_ELEMENT_DETAILS ("alpha color filter",
"Filter/Effect/Video",
"RGB->YUV colorspace conversion preserving the alpha channels",
"Wim Taymans <wim@fluendo.com>");
static GstStaticPadTemplate gst_alpha_color_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_BGRA)
);
static GstStaticPadTemplate gst_alpha_color_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV"))
);
GST_BOILERPLATE (GstAlphaColor, gst_alpha_color, GstBaseTransform,
GST_TYPE_BASE_TRANSFORM);
static GstCaps *gst_alpha_color_transform_caps (GstBaseTransform * btrans,
GstPadDirection direction, GstCaps * caps);
static gboolean gst_alpha_color_set_caps (GstBaseTransform * btrans,
GstCaps * incaps, GstCaps * outcaps);
static GstFlowReturn gst_alpha_color_transform_ip (GstBaseTransform * btrans,
GstBuffer * inbuf);
static void
gst_alpha_color_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (element_class, &gst_alpha_color_details);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_alpha_color_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_alpha_color_src_template));
}
static void
gst_alpha_color_class_init (GstAlphaColorClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseTransformClass *gstbasetransform_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasetransform_class = (GstBaseTransformClass *) klass;
gstbasetransform_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_alpha_color_transform_caps);
gstbasetransform_class->set_caps =
GST_DEBUG_FUNCPTR (gst_alpha_color_set_caps);
gstbasetransform_class->transform_ip =
GST_DEBUG_FUNCPTR (gst_alpha_color_transform_ip);
GST_DEBUG_CATEGORY_INIT (alpha_color_debug, "alphacolor", 0,
"RGB->YUV colorspace conversion preserving the alpha channels");
}
static void
gst_alpha_color_init (GstAlphaColor * alpha, GstAlphaColorClass * g_class)
{
GstBaseTransform *btrans = NULL;
btrans = GST_BASE_TRANSFORM (alpha);
btrans->always_in_place = TRUE;
}
static GstCaps *
gst_alpha_color_transform_caps (GstBaseTransform * btrans,
GstPadDirection direction, GstCaps * caps)
{
GstAlphaColor *alpha;
GstCaps *result;
alpha = GST_ALPHA_COLOR (btrans);
GST_DEBUG ("transforming direction %d caps %s", direction,
gst_caps_to_string (caps));
result = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'),
"width", GST_TYPE_INT_RANGE, 16, 4096,
"height", GST_TYPE_INT_RANGE, 16, 4096,
"framerate", GST_TYPE_DOUBLE_RANGE, 0.0, G_MAXDOUBLE, NULL);
return result;
}
static gboolean
gst_alpha_color_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps)
{
GstAlphaColor *alpha;
GstStructure *structure;
gboolean ret;
gdouble fps;
gint red_mask;
alpha = GST_ALPHA_COLOR (btrans);
structure = gst_caps_get_structure (incaps, 0);
ret = gst_structure_get_int (structure, "width", &alpha->in_width);
ret &= gst_structure_get_int (structure, "height", &alpha->in_height);
ret &= gst_structure_get_double (structure, "framerate", &fps);
ret &= gst_structure_get_int (structure, "red_mask", &red_mask);
if (!ret)
return FALSE;
alpha->in_rgba = TRUE;
#if (G_BYTE_ORDER == G_BIG_ENDIAN)
if (red_mask != 0x000000ff)
#else
if (red_mask != 0x00ff0000)
#endif
alpha->in_rgba = FALSE;
return TRUE;
}
static void
transform_rgb (guint8 * data, gint size)
{
guint8 y, u, v;
while (size > 0) {
y = data[0] * 0.299 + data[1] * 0.587 + data[2] * 0.114 + 0;
u = data[0] * -0.169 + data[1] * -0.332 + data[2] * 0.500 + 128;
v = data[0] * 0.500 + data[1] * -0.419 + data[2] * -0.0813 + 128;
data[0] = data[3];
data[1] = y;
data[2] = u;
data[3] = v;
data += 4;
size -= 4;
}
}
static void
transform_bgr (guint8 * data, gint size)
{
guint8 y, u, v;
while (size > 0) {
y = data[2] * 0.299 + data[1] * 0.587 + data[0] * 0.114 + 0;
u = data[2] * -0.169 + data[1] * -0.332 + data[0] * 0.500 + 128;
v = data[2] * 0.500 + data[1] * -0.419 + data[0] * -0.0813 + 128;
data[0] = data[3];
data[1] = y;
data[2] = u;
data[3] = v;
data += 4;
size -= 4;
}
}
static GstFlowReturn
gst_alpha_color_transform_ip (GstBaseTransform * btrans, GstBuffer * inbuf)
{
GstFlowReturn ret = GST_FLOW_OK;
GstAlphaColor *alpha;
alpha = GST_ALPHA_COLOR (btrans);
/* Transform in place */
if (alpha->in_rgba)
transform_rgb (GST_BUFFER_DATA (inbuf), GST_BUFFER_SIZE (inbuf));
else
transform_bgr (GST_BUFFER_DATA (inbuf), GST_BUFFER_SIZE (inbuf));
return ret;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "alphacolor", GST_RANK_NONE,
GST_TYPE_ALPHA_COLOR);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"alphacolor",
"RGB->YUV colorspace conversion preserving the alpha channels",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
plugin_LTLIBRARIES = libgstvideomixer.la
libgstvideomixer_la_SOURCES = videomixer.c
libgstvideomixer_la_CFLAGS = $(GST_CFLAGS)
libgstvideomixer_la_LIBADD = $(GST_LIBS)
libgstvideomixer_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS)
libgstvideomixer_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS)
libgstvideomixer_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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