Ported alpha, remove alphacolor as functionality is in ffmpegcolorspace.

Original commit message from CVS:
* configure.ac:
* gst/alpha/Makefile.am:
* gst/alpha/gstalpha.c: (gst_alpha_class_init), (gst_alpha_init),
(gst_alpha_sink_setcaps), (gst_alpha_chain):
Ported alpha,  remove alphacolor as functionality is in
ffmpegcolorspace.

1 files changed, 0 insertions, 378 deletions

diff --git a/gst/alpha/gstalphacolor.c b/gst/alpha/gstalphacolor.c
deleted file mode 100644
index d9100bb2..00000000
--- a/gst/alpha/gstalphacolor.c
+++ /dev/null
@@ -1,378 +0,0 @@
-/* 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/video/video.h>
-
-#include <string.h>
-
-#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
-{
-  GstElement element;
-
-  /* pads */
-  GstPad *sinkpad;
-  GstPad *srcpad;
-
-  /* caps */
-  gint in_width, in_height;
-  gboolean in_rgba;
-  gint out_width, out_height;
-};
-
-struct _GstAlphaColorClass
-{
-  GstElementClass parent_class;
-};
-
-/* elementfactory information */
-static GstElementDetails gst_alpha_color_details =
-GST_ELEMENT_DETAILS ("alpha color filter",
-    "Filter/Effect/Video",
-    "converts rgb to yuv with alpha",
-    "Wim Taymans <wim@fluendo.com>");
-
-
-/* AlphaColor signals and args */
-enum
-{
-  /* FILL ME */
-  LAST_SIGNAL
-};
-
-enum
-{
-  ARG_0,
-  /* FILL ME */
-};
-
-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"))
-    );
-
-
-static void gst_alpha_color_base_init (gpointer g_class);
-static void gst_alpha_color_class_init (GstAlphaColorClass * klass);
-static void gst_alpha_color_init (GstAlphaColor * alpha);
-
-static void gst_alpha_color_set_property (GObject * object, guint prop_id,
-    const GValue * value, GParamSpec * pspec);
-static void gst_alpha_color_get_property (GObject * object, guint prop_id,
-    GValue * value, GParamSpec * pspec);
-
-static GstPadLinkReturn
-gst_alpha_color_sink_link (GstPad * pad, const GstCaps * caps);
-static void gst_alpha_color_chain (GstPad * pad, GstData * _data);
-
-static GstElementStateReturn gst_alpha_color_change_state (GstElement *
-    element);
-
-
-static GstElementClass *parent_class = NULL;
-
-/* static guint gst_alpha_color_signals[LAST_SIGNAL] = { 0 }; */
-
-GType
-gst_alpha_color_get_type (void)
-{
-  static GType alpha_type = 0;
-
-  if (!alpha_type) {
-    static const GTypeInfo alpha_info = {
-      sizeof (GstAlphaColorClass),
-      gst_alpha_color_base_init,
-      NULL,
-      (GClassInitFunc) gst_alpha_color_class_init,
-      NULL,
-      NULL,
-      sizeof (GstAlphaColor),
-      0,
-      (GInstanceInitFunc) gst_alpha_color_init,
-    };
-
-    alpha_type =
-        g_type_register_static (GST_TYPE_ELEMENT, "GstAlphaColor", &alpha_info,
-        0);
-  }
-  return alpha_type;
-}
-
-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;
-
-  gobject_class = (GObjectClass *) klass;
-  gstelement_class = (GstElementClass *) klass;
-
-  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
-  gobject_class->set_property = gst_alpha_color_set_property;
-  gobject_class->get_property = gst_alpha_color_get_property;
-
-  gstelement_class->change_state = gst_alpha_color_change_state;
-}
-
-static void
-gst_alpha_color_init (GstAlphaColor * alpha)
-{
-  /* create the sink and src pads */
-  alpha->sinkpad =
-      gst_pad_new_from_template (gst_static_pad_template_get
-      (&gst_alpha_color_sink_template), "sink");
-  gst_element_add_pad (GST_ELEMENT (alpha), alpha->sinkpad);
-  gst_pad_set_chain_function (alpha->sinkpad, gst_alpha_color_chain);
-  gst_pad_set_link_function (alpha->sinkpad, gst_alpha_color_sink_link);
-
-  alpha->srcpad =
-      gst_pad_new_from_template (gst_static_pad_template_get
-      (&gst_alpha_color_src_template), "src");
-  gst_element_add_pad (GST_ELEMENT (alpha), alpha->srcpad);
-
-  GST_FLAG_SET (alpha, GST_ELEMENT_EVENT_AWARE);
-}
-
-/* do we need this function? */
-static void
-gst_alpha_color_set_property (GObject * object, guint prop_id,
-    const GValue * value, GParamSpec * pspec)
-{
-  GstAlphaColor *alpha;
-
-  /* it's not null if we got it, but it might not be ours */
-  g_return_if_fail (GST_IS_ALPHA_COLOR (object));
-
-  alpha = GST_ALPHA_COLOR (object);
-
-  switch (prop_id) {
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-  }
-}
-static void
-gst_alpha_color_get_property (GObject * object, guint prop_id, GValue * value,
-    GParamSpec * pspec)
-{
-  GstAlphaColor *alpha;
-
-  /* it's not null if we got it, but it might not be ours */
-  g_return_if_fail (GST_IS_ALPHA_COLOR (object));
-
-  alpha = GST_ALPHA_COLOR (object);
-
-  switch (prop_id) {
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-  }
-}
-
-static GstPadLinkReturn
-gst_alpha_color_sink_link (GstPad * pad, const GstCaps * caps)
-{
-  GstAlphaColor *alpha;
-  GstStructure *structure;
-  gboolean ret;
-  gdouble fps;
-  gint red_mask;
-
-  alpha = GST_ALPHA_COLOR (gst_pad_get_parent (pad));
-  structure = gst_caps_get_structure (caps, 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 GST_PAD_LINK_REFUSED;
-
-  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;
-
-  caps = gst_caps_new_simple ("video/x-raw-yuv",
-      "format", GST_TYPE_FOURCC, GST_STR_FOURCC ("AYUV"),
-      "framerate", G_TYPE_DOUBLE, fps,
-      "width", G_TYPE_INT, alpha->in_width,
-      "height", G_TYPE_INT, alpha->in_height, NULL);
-
-  return gst_pad_try_set_caps (alpha->srcpad, caps);
-}
-
-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 void
-gst_alpha_color_chain (GstPad * pad, GstData * _data)
-{
-  GstBuffer *buffer;
-  GstAlphaColor *alpha;
-  GstBuffer *outbuf;
-  gint width, height;
-
-  alpha = GST_ALPHA_COLOR (gst_pad_get_parent (pad));
-
-  if (GST_IS_EVENT (_data)) {
-    GstEvent *event = GST_EVENT (_data);
-
-    switch (GST_EVENT_TYPE (event)) {
-      default:
-        gst_pad_event_default (pad, event);
-        break;
-    }
-    return;
-  }
-
-  buffer = GST_BUFFER (_data);
-
-  width = alpha->in_width;
-  height = alpha->in_height;
-
-  outbuf = gst_buffer_copy_on_write (buffer);
-
-  if (alpha->in_rgba)
-    transform_rgb (GST_BUFFER_DATA (outbuf), GST_BUFFER_SIZE (outbuf));
-  else
-    transform_bgr (GST_BUFFER_DATA (outbuf), GST_BUFFER_SIZE (outbuf));
-
-  gst_pad_push (alpha->srcpad, GST_DATA (outbuf));
-}
-
-static GstElementStateReturn
-gst_alpha_color_change_state (GstElement * element)
-{
-  GstAlphaColor *alpha;
-
-  alpha = GST_ALPHA_COLOR (element);
-
-  switch (GST_STATE_TRANSITION (element)) {
-    case GST_STATE_NULL_TO_READY:
-      break;
-    case GST_STATE_READY_TO_PAUSED:
-      break;
-    case GST_STATE_PAUSED_TO_PLAYING:
-      break;
-    case GST_STATE_PLAYING_TO_PAUSED:
-      break;
-    case GST_STATE_PAUSED_TO_READY:
-      break;
-    case GST_STATE_READY_TO_NULL:
-      break;
-  }
-
-  parent_class->change_state (element);
-
-  return GST_STATE_SUCCESS;
-}
-
-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",
-    "colorspace conversion preserving the alpha channels",
-    plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)