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gdkpixbuf: remove pixbufscale code that was never ported

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Don't think we'll need this again.
This commit is contained in:
Tim-Philipp Müller 2014-11-29 13:23:50 +00:00
parent ccac1f8c0b
commit 35f10e4630
3 changed files with 0 additions and 534 deletions
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2
ext/gdk_pixbuf/Makefile.am
View file

@ -1,7 +1,5 @@
plugin_LTLIBRARIES = libgstgdkpixbuf.la
# pixbufscale.[ch] - not sure the world needs this
#
# gstgdkanimation.[ch] - GdkPixbuf animations decode everything from the start,
# which means it's easy to make us go OOM with manipulated input, disabled

446
ext/gdk_pixbuf/pixbufscale.c
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@ -1,446 +0,0 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2004> Jan Schmidt <thaytan@mad.scientist.com>
* Copyright (C) <2004> Tim-Philipp Mueller <t.i.m@orange.net>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <pixbufscale.h>
#include <gst/video/video.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#define ROUND_UP_2(x) (((x)+1)&~1)
#define ROUND_UP_4(x) (((x)+3)&~3)
#define ROUND_UP_8(x) (((x)+7)&~7)
/* These match the ones gstvideoconvert uses (Tim) */
#define GST_RGB24_ROWSTRIDE(width) (ROUND_UP_4 ((width)*3))
#define GST_RGB24_SIZE(width,height) ((height)*GST_RGB24_ROWSTRIDE(width))
GST_DEBUG_CATEGORY_STATIC (pixbufscale_debug);
#define GST_CAT_DEFAULT pixbufscale_debug
/* GstPixbufScale signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_METHOD
/* FILL ME */
};
static GstStaticPadTemplate gst_pixbufscale_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB"))
);
static GstStaticPadTemplate gst_pixbufscale_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB"))
);
#define GST_TYPE_PIXBUFSCALE_METHOD (gst_pixbufscale_method_get_type())
static GType
gst_pixbufscale_method_get_type (void)
{
static GType pixbufscale_method_type = 0;
static const GEnumValue pixbufscale_methods[] = {
{GST_PIXBUFSCALE_NEAREST, "0", "Nearest Neighbour"},
{GST_PIXBUFSCALE_TILES, "1", "Tiles"},
{GST_PIXBUFSCALE_BILINEAR, "2", "Bilinear"},
{GST_PIXBUFSCALE_HYPER, "3", "Hyper"},
{0, NULL, NULL},
};
if (!pixbufscale_method_type) {
pixbufscale_method_type =
g_enum_register_static ("GstPixbufScaleMethod", pixbufscale_methods);
}
return pixbufscale_method_type;
}
static void gst_pixbufscale_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_pixbufscale_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstCaps *gst_pixbufscale_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static gboolean gst_pixbufscale_set_info (GstVideoFilter * filter,
GstCaps * in, GstVideoInfo * in_info, GstCaps * out,
GstVideoInfo * out_info);
static GstCaps *gst_pixbufscale_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
static GstFlowReturn gst_pixbufscale_transform_frame (GstVideoFilter * filter,
GstVideoFrame * in, GstVideoFrame * out);
static gboolean gst_pixbufscale_handle_src_event (GstBaseTransform * trans,
GstEvent * event);
#define gst_pixbufscale_parent_class parent_class
G_DEFINE_TYPE (GstPixbufScale, gst_pixbufscale, GST_TYPE_VIDEO_FILTER);
static void
gst_pixbufscale_class_init (GstPixbufScaleClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstBaseTransformClass *trans_class;
GstVideoFilterClass *filter_class;
gobject_class = (GObjectClass *) klass;
element_class = (GstElementClass *) klass;
trans_class = (GstBaseTransformClass *) klass;
filter_class = (GstVideoFilterClass *) klass;
gst_element_class_set_static_metadata (element_class,
"GdkPixbuf image scaler", "Filter/Effect/Video", "Resizes video",
"Jan Schmidt <thaytan@mad.scientist.com>, "
"Wim Taymans <wim.taymans@chello.be>, "
"Renato Filho <renato.filho@indt.org.br>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_pixbufscale_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_pixbufscale_sink_template));
gobject_class->set_property = gst_pixbufscale_set_property;
gobject_class->get_property = gst_pixbufscale_get_property;
g_object_class_install_property (gobject_class,
ARG_METHOD,
g_param_spec_enum ("method", "method", "method",
GST_TYPE_PIXBUFSCALE_METHOD, GST_PIXBUFSCALE_BILINEAR,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_pixbufscale_transform_caps);
trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_pixbufscale_fixate_caps);
trans_class->src_event = GST_DEBUG_FUNCPTR (gst_pixbufscale_handle_src_event);
trans_class->passthrough_on_same_caps = TRUE;
filter_class->set_info = GST_DEBUG_FUNCPTR (gst_pixbufscale_set_info);
filter_class->transform_frame =
GST_DEBUG_FUNCPTR (gst_pixbufscale_transform_frame);
parent_class = g_type_class_peek_parent (klass);
}
static void
gst_pixbufscale_init (GstPixbufScale * pixbufscale)
{
GST_DEBUG_OBJECT (pixbufscale, "_init");
pixbufscale->method = GST_PIXBUFSCALE_TILES;
pixbufscale->gdk_method = GDK_INTERP_TILES;
}
static void
gst_pixbufscale_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstPixbufScale *src;
g_return_if_fail (GST_IS_PIXBUFSCALE (object));
src = GST_PIXBUFSCALE (object);
switch (prop_id) {
case ARG_METHOD:
src->method = g_value_get_enum (value);
switch (src->method) {
case GST_PIXBUFSCALE_NEAREST:
src->gdk_method = GDK_INTERP_NEAREST;
break;
case GST_PIXBUFSCALE_TILES:
src->gdk_method = GDK_INTERP_TILES;
break;
case GST_PIXBUFSCALE_BILINEAR:
src->gdk_method = GDK_INTERP_BILINEAR;
break;
case GST_PIXBUFSCALE_HYPER:
src->gdk_method = GDK_INTERP_HYPER;
break;
}
break;
default:
break;
}
}
static void
gst_pixbufscale_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstPixbufScale *src;
g_return_if_fail (GST_IS_PIXBUFSCALE (object));
src = GST_PIXBUFSCALE (object);
switch (prop_id) {
case ARG_METHOD:
g_value_set_enum (value, src->method);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstCaps *
gst_pixbufscale_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *ret;
int i;
ret = gst_caps_copy (caps);
for (i = 0; i < gst_caps_get_size (ret); i++) {
GstStructure *structure = gst_caps_get_structure (ret, i);
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 16, 4096,
"height", GST_TYPE_INT_RANGE, 16, 4096, NULL);
gst_structure_remove_field (structure, "pixel-aspect-ratio");
}
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, ret, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (ret);
ret = intersection;
}
GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);
return ret;
}
static gboolean
gst_pixbufscale_set_info (GstVideoFilter * filter, GstCaps * in,
GstVideoInfo * in_info, GstCaps * out, GstVideoInfo * out_info)
{
if (in_info->width == out_info->width && in_info->height == out_info->height) {
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), TRUE);
} else {
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), FALSE);
}
GST_DEBUG_OBJECT (filter, "from=%dx%d, size %" G_GSIZE_FORMAT
" -> to=%dx%d, size %" G_GSIZE_FORMAT,
in_info->width, in_info->height, in_info->size,
out_info->width, out_info->height, out_info->size);
return TRUE;
}
static GstCaps *
gst_pixbufscale_fixate_caps (GstBaseTransform * base, GstPadDirection direction,
GstCaps * caps, GstCaps * othercaps)
{
GstStructure *ins, *outs;
const GValue *from_par, *to_par;
othercaps = gst_caps_truncate (othercaps);
othercaps = gst_caps_make_writable (othercaps);
GST_DEBUG_OBJECT (base, "trying to fixate othercaps %" GST_PTR_FORMAT
" based on caps %" GST_PTR_FORMAT, othercaps, caps);
ins = gst_caps_get_structure (caps, 0);
outs = gst_caps_get_structure (othercaps, 0);
from_par = gst_structure_get_value (ins, "pixel-aspect-ratio");
to_par = gst_structure_get_value (outs, "pixel-aspect-ratio");
if (from_par && to_par) {
GValue to_ratio = { 0, }; /* w/h of output video */
int from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
int count = 0, w = 0, h = 0, num, den;
/* if both width and height are already fixed, we can't do anything
* * about it anymore */
if (gst_structure_get_int (outs, "width", &w))
++count;
if (gst_structure_get_int (outs, "height", &h))
++count;
if (count == 2) {
GST_DEBUG_OBJECT (base, "dimensions already set to %dx%d, not fixating",
w, h);
goto done;
}
gst_structure_get_int (ins, "width", &from_w);
gst_structure_get_int (ins, "height", &from_h);
from_par_n = gst_value_get_fraction_numerator (from_par);
from_par_d = gst_value_get_fraction_denominator (from_par);
to_par_n = gst_value_get_fraction_numerator (to_par);
to_par_d = gst_value_get_fraction_denominator (to_par);
g_value_init (&to_ratio, GST_TYPE_FRACTION);
gst_value_set_fraction (&to_ratio, from_w * from_par_n * to_par_d,
from_h * from_par_d * to_par_n);
num = gst_value_get_fraction_numerator (&to_ratio);
den = gst_value_get_fraction_denominator (&to_ratio);
GST_DEBUG_OBJECT (base,
"scaling input with %dx%d and PAR %d/%d to output PAR %d/%d",
from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d);
GST_DEBUG_OBJECT (base,
"resulting output should respect ratio of %d/%d", num, den);
/* now find a width x height that respects this display ratio.
* * prefer those that have one of w/h the same as the incoming video
* * using wd / hd = num / den */
/* start with same height, because of interlaced video */
/* check hd / den is an integer scale factor, and scale wd with the PAR */
if (from_h % den == 0) {
GST_DEBUG_OBJECT (base, "keeping video height");
h = from_h;
w = h * num / den;
} else if (from_w % num == 0) {
GST_DEBUG_OBJECT (base, "keeping video width");
w = from_w;
h = w * den / num;
} else {
GST_DEBUG_OBJECT (base, "approximating but keeping video height");
h = from_h;
w = h * num / den;
}
GST_DEBUG_OBJECT (base, "scaling to %dx%d", w, h);
/* now fixate */
gst_structure_fixate_field_nearest_int (outs, "width", w);
gst_structure_fixate_field_nearest_int (outs, "height", h);
} else {
gint width, height;
if (gst_structure_get_int (ins, "width", &width)) {
if (gst_structure_has_field (outs, "width")) {
gst_structure_fixate_field_nearest_int (outs, "width", width);
}
}
if (gst_structure_get_int (ins, "height", &height)) {
if (gst_structure_has_field (outs, "height")) {
gst_structure_fixate_field_nearest_int (outs, "height", height);
}
}
}
done:
GST_DEBUG_OBJECT (base, "fixated othercaps to %" GST_PTR_FORMAT, othercaps);
return othercaps;
}
static GstFlowReturn
gst_pixbufscale_transform_frame (GstVideoFilter * filter,
GstVideoFrame * in, GstVideoFrame * out)
{
GstPixbufScale *scale;
GdkPixbuf *src_pixbuf, *dest_pixbuf;
scale = GST_PIXBUFSCALE (filter);
src_pixbuf =
gdk_pixbuf_new_from_data (GST_VIDEO_FRAME_COMP_DATA (in, 0),
GDK_COLORSPACE_RGB, FALSE, 8, GST_VIDEO_FRAME_WIDTH (in),
GST_VIDEO_FRAME_HEIGHT (in),
GST_VIDEO_FRAME_COMP_STRIDE (in, 0), NULL, NULL);
dest_pixbuf =
gdk_pixbuf_new_from_data (GST_VIDEO_FRAME_COMP_DATA (out, 0),
GDK_COLORSPACE_RGB, FALSE, 8, GST_VIDEO_FRAME_WIDTH (out),
GST_VIDEO_FRAME_HEIGHT (out),
GST_VIDEO_FRAME_COMP_STRIDE (out, 0), NULL, NULL);
gdk_pixbuf_scale (src_pixbuf, dest_pixbuf, 0, 0,
GST_VIDEO_FRAME_WIDTH (out),
GST_VIDEO_FRAME_HEIGHT (out), 0, 0,
(double) GST_VIDEO_FRAME_WIDTH (out) / GST_VIDEO_FRAME_WIDTH (in),
(double) GST_VIDEO_FRAME_HEIGHT (out) / GST_VIDEO_FRAME_HEIGHT (in),
scale->gdk_method);
g_object_unref (src_pixbuf);
g_object_unref (dest_pixbuf);
return GST_FLOW_OK;
}
static gboolean
gst_pixbufscale_handle_src_event (GstBaseTransform * trans, GstEvent * event)
{
GstPixbufScale *pixbufscale;
gboolean ret;
double a;
GstStructure *structure;
pixbufscale = GST_PIXBUFSCALE (trans);
GST_DEBUG_OBJECT (pixbufscale, "handling %s event",
GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
event =
GST_EVENT (gst_mini_object_make_writable (GST_MINI_OBJECT (event)));
structure = (GstStructure *) gst_event_get_structure (event);
if (gst_structure_get_double (structure, "pointer_x", &a)) {
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE,
a * pixbufscale->from_width / pixbufscale->to_width, NULL);
}
if (gst_structure_get_double (structure, "pointer_y", &a)) {
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE,
a * pixbufscale->from_height / pixbufscale->to_height, NULL);
}
break;
default:
break;
}
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->src_event (trans, event);
return ret;
}
gboolean
pixbufscale_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "gdkpixbufscale", GST_RANK_NONE,
GST_TYPE_PIXBUFSCALE))
return FALSE;
GST_DEBUG_CATEGORY_INIT (pixbufscale_debug, "gdkpixbufscale", 0,
"pixbufscale element");
return TRUE;
}

86
ext/gdk_pixbuf/pixbufscale.h
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@ -1,86 +0,0 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2004> Jan Schmidt <thaytan@mad.scientist.com>
* Copyright (C) <2004> Tim-Philipp Mueller <t.i.m@orange.net>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_PIXBUFSCALE_H__
#define __GST_PIXBUFSCALE_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/video/gstvideofilter.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
G_BEGIN_DECLS
#define GST_TYPE_PIXBUFSCALE \
(gst_pixbufscale_get_type())
#define GST_PIXBUFSCALE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PIXBUFSCALE,GstPixbufScale))
#define GST_PIXBUFSCALE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PIXBUFSCALE,GstPixbufScaleClass))
#define GST_IS_PIXBUFSCALE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PIXBUFSCALE))
#define GST_IS_PIXBUFSCALE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PIXBUFSCALE))
typedef enum {
GST_PIXBUFSCALE_NEAREST,
GST_PIXBUFSCALE_TILES,
GST_PIXBUFSCALE_BILINEAR,
GST_PIXBUFSCALE_HYPER
} GstPixbufScaleMethod;
typedef struct _GstPixbufScale GstPixbufScale;
typedef struct _GstPixbufScaleClass GstPixbufScaleClass;
struct _GstPixbufScale {
GstVideoFilter element;
/* video state */
gint to_width;
gint to_height;
gint from_width;
gint from_height;
gboolean passthru;
GstPixbufScaleMethod method;
GdkInterpType gdk_method;
/* private */
gint from_buf_size;
gint from_stride;
gint to_buf_size;
gint to_stride;
};
struct _GstPixbufScaleClass {
GstVideoFilterClass parent_class;
};
GType gst_pixbufscale_get_type(void);
gboolean pixbufscale_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_PIXBUFSCALE_H__ */