mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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gdkpixbuf: remove pixbufscale code that was never ported
Don't think we'll need this again.
This commit is contained in:
Tim-Philipp Müller
parent
ccac1f8c0b
commit
35f10e4630
3 changed files with 0 additions and 534 deletions
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@ -1,7 +1,5 @@
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plugin_LTLIBRARIES = libgstgdkpixbuf.la
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plugin_LTLIBRARIES = libgstgdkpixbuf.la
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# pixbufscale.[ch] - not sure the world needs this
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#
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# gstgdkanimation.[ch] - GdkPixbuf animations decode everything from the start,
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# gstgdkanimation.[ch] - GdkPixbuf animations decode everything from the start,
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# which means it's easy to make us go OOM with manipulated input, disabled
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# which means it's easy to make us go OOM with manipulated input, disabled
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@ -1,446 +0,0 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2004> Jan Schmidt <thaytan@mad.scientist.com>
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* Copyright (C) <2004> Tim-Philipp Mueller <t.i.m@orange.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <pixbufscale.h>
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#include <gst/video/video.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#define ROUND_UP_2(x) (((x)+1)&~1)
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#define ROUND_UP_4(x) (((x)+3)&~3)
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#define ROUND_UP_8(x) (((x)+7)&~7)
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/* These match the ones gstvideoconvert uses (Tim) */
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#define GST_RGB24_ROWSTRIDE(width) (ROUND_UP_4 ((width)*3))
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#define GST_RGB24_SIZE(width,height) ((height)*GST_RGB24_ROWSTRIDE(width))
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GST_DEBUG_CATEGORY_STATIC (pixbufscale_debug);
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#define GST_CAT_DEFAULT pixbufscale_debug
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/* GstPixbufScale signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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ARG_0,
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ARG_METHOD
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/* FILL ME */
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};
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static GstStaticPadTemplate gst_pixbufscale_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB"))
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);
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static GstStaticPadTemplate gst_pixbufscale_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB"))
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);
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#define GST_TYPE_PIXBUFSCALE_METHOD (gst_pixbufscale_method_get_type())
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static GType
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gst_pixbufscale_method_get_type (void)
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{
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static GType pixbufscale_method_type = 0;
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static const GEnumValue pixbufscale_methods[] = {
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{GST_PIXBUFSCALE_NEAREST, "0", "Nearest Neighbour"},
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{GST_PIXBUFSCALE_TILES, "1", "Tiles"},
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{GST_PIXBUFSCALE_BILINEAR, "2", "Bilinear"},
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{GST_PIXBUFSCALE_HYPER, "3", "Hyper"},
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{0, NULL, NULL},
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};
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if (!pixbufscale_method_type) {
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pixbufscale_method_type =
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g_enum_register_static ("GstPixbufScaleMethod", pixbufscale_methods);
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}
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return pixbufscale_method_type;
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}
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static void gst_pixbufscale_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_pixbufscale_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstCaps *gst_pixbufscale_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter);
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static gboolean gst_pixbufscale_set_info (GstVideoFilter * filter,
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GstCaps * in, GstVideoInfo * in_info, GstCaps * out,
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GstVideoInfo * out_info);
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static GstCaps *gst_pixbufscale_fixate_caps (GstBaseTransform * base,
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GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
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static GstFlowReturn gst_pixbufscale_transform_frame (GstVideoFilter * filter,
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GstVideoFrame * in, GstVideoFrame * out);
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static gboolean gst_pixbufscale_handle_src_event (GstBaseTransform * trans,
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GstEvent * event);
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#define gst_pixbufscale_parent_class parent_class
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G_DEFINE_TYPE (GstPixbufScale, gst_pixbufscale, GST_TYPE_VIDEO_FILTER);
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static void
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gst_pixbufscale_class_init (GstPixbufScaleClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *element_class;
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GstBaseTransformClass *trans_class;
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GstVideoFilterClass *filter_class;
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gobject_class = (GObjectClass *) klass;
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element_class = (GstElementClass *) klass;
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trans_class = (GstBaseTransformClass *) klass;
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filter_class = (GstVideoFilterClass *) klass;
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gst_element_class_set_static_metadata (element_class,
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"GdkPixbuf image scaler", "Filter/Effect/Video", "Resizes video",
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"Jan Schmidt <thaytan@mad.scientist.com>, "
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"Wim Taymans <wim.taymans@chello.be>, "
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"Renato Filho <renato.filho@indt.org.br>");
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_pixbufscale_src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_pixbufscale_sink_template));
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gobject_class->set_property = gst_pixbufscale_set_property;
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gobject_class->get_property = gst_pixbufscale_get_property;
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g_object_class_install_property (gobject_class,
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ARG_METHOD,
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g_param_spec_enum ("method", "method", "method",
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GST_TYPE_PIXBUFSCALE_METHOD, GST_PIXBUFSCALE_BILINEAR,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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trans_class->transform_caps =
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GST_DEBUG_FUNCPTR (gst_pixbufscale_transform_caps);
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trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_pixbufscale_fixate_caps);
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trans_class->src_event = GST_DEBUG_FUNCPTR (gst_pixbufscale_handle_src_event);
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trans_class->passthrough_on_same_caps = TRUE;
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filter_class->set_info = GST_DEBUG_FUNCPTR (gst_pixbufscale_set_info);
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filter_class->transform_frame =
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GST_DEBUG_FUNCPTR (gst_pixbufscale_transform_frame);
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parent_class = g_type_class_peek_parent (klass);
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}
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static void
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gst_pixbufscale_init (GstPixbufScale * pixbufscale)
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{
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GST_DEBUG_OBJECT (pixbufscale, "_init");
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pixbufscale->method = GST_PIXBUFSCALE_TILES;
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pixbufscale->gdk_method = GDK_INTERP_TILES;
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}
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static void
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gst_pixbufscale_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstPixbufScale *src;
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g_return_if_fail (GST_IS_PIXBUFSCALE (object));
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src = GST_PIXBUFSCALE (object);
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switch (prop_id) {
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case ARG_METHOD:
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src->method = g_value_get_enum (value);
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switch (src->method) {
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case GST_PIXBUFSCALE_NEAREST:
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src->gdk_method = GDK_INTERP_NEAREST;
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break;
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case GST_PIXBUFSCALE_TILES:
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src->gdk_method = GDK_INTERP_TILES;
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break;
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case GST_PIXBUFSCALE_BILINEAR:
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src->gdk_method = GDK_INTERP_BILINEAR;
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break;
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case GST_PIXBUFSCALE_HYPER:
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src->gdk_method = GDK_INTERP_HYPER;
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break;
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}
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break;
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default:
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break;
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}
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}
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static void
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gst_pixbufscale_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstPixbufScale *src;
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g_return_if_fail (GST_IS_PIXBUFSCALE (object));
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src = GST_PIXBUFSCALE (object);
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switch (prop_id) {
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case ARG_METHOD:
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g_value_set_enum (value, src->method);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static GstCaps *
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gst_pixbufscale_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter)
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{
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GstCaps *ret;
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int i;
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ret = gst_caps_copy (caps);
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for (i = 0; i < gst_caps_get_size (ret); i++) {
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GstStructure *structure = gst_caps_get_structure (ret, i);
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gst_structure_set (structure,
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"width", GST_TYPE_INT_RANGE, 16, 4096,
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"height", GST_TYPE_INT_RANGE, 16, 4096, NULL);
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gst_structure_remove_field (structure, "pixel-aspect-ratio");
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}
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if (filter) {
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GstCaps *intersection;
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intersection =
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gst_caps_intersect_full (filter, ret, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (ret);
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ret = intersection;
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}
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GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);
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return ret;
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}
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static gboolean
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gst_pixbufscale_set_info (GstVideoFilter * filter, GstCaps * in,
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GstVideoInfo * in_info, GstCaps * out, GstVideoInfo * out_info)
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{
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if (in_info->width == out_info->width && in_info->height == out_info->height) {
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gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), TRUE);
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} else {
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gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), FALSE);
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}
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GST_DEBUG_OBJECT (filter, "from=%dx%d, size %" G_GSIZE_FORMAT
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" -> to=%dx%d, size %" G_GSIZE_FORMAT,
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in_info->width, in_info->height, in_info->size,
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out_info->width, out_info->height, out_info->size);
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return TRUE;
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}
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static GstCaps *
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gst_pixbufscale_fixate_caps (GstBaseTransform * base, GstPadDirection direction,
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GstCaps * caps, GstCaps * othercaps)
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{
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GstStructure *ins, *outs;
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const GValue *from_par, *to_par;
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othercaps = gst_caps_truncate (othercaps);
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othercaps = gst_caps_make_writable (othercaps);
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GST_DEBUG_OBJECT (base, "trying to fixate othercaps %" GST_PTR_FORMAT
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" based on caps %" GST_PTR_FORMAT, othercaps, caps);
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ins = gst_caps_get_structure (caps, 0);
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outs = gst_caps_get_structure (othercaps, 0);
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from_par = gst_structure_get_value (ins, "pixel-aspect-ratio");
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to_par = gst_structure_get_value (outs, "pixel-aspect-ratio");
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if (from_par && to_par) {
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GValue to_ratio = { 0, }; /* w/h of output video */
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int from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
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int count = 0, w = 0, h = 0, num, den;
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/* if both width and height are already fixed, we can't do anything
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* * about it anymore */
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if (gst_structure_get_int (outs, "width", &w))
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++count;
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if (gst_structure_get_int (outs, "height", &h))
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++count;
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if (count == 2) {
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GST_DEBUG_OBJECT (base, "dimensions already set to %dx%d, not fixating",
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w, h);
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goto done;
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}
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gst_structure_get_int (ins, "width", &from_w);
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gst_structure_get_int (ins, "height", &from_h);
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from_par_n = gst_value_get_fraction_numerator (from_par);
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from_par_d = gst_value_get_fraction_denominator (from_par);
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to_par_n = gst_value_get_fraction_numerator (to_par);
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to_par_d = gst_value_get_fraction_denominator (to_par);
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g_value_init (&to_ratio, GST_TYPE_FRACTION);
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gst_value_set_fraction (&to_ratio, from_w * from_par_n * to_par_d,
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from_h * from_par_d * to_par_n);
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num = gst_value_get_fraction_numerator (&to_ratio);
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den = gst_value_get_fraction_denominator (&to_ratio);
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GST_DEBUG_OBJECT (base,
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"scaling input with %dx%d and PAR %d/%d to output PAR %d/%d",
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from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d);
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GST_DEBUG_OBJECT (base,
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"resulting output should respect ratio of %d/%d", num, den);
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/* now find a width x height that respects this display ratio.
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* * prefer those that have one of w/h the same as the incoming video
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* * using wd / hd = num / den */
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/* start with same height, because of interlaced video */
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/* check hd / den is an integer scale factor, and scale wd with the PAR */
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if (from_h % den == 0) {
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GST_DEBUG_OBJECT (base, "keeping video height");
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h = from_h;
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w = h * num / den;
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} else if (from_w % num == 0) {
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GST_DEBUG_OBJECT (base, "keeping video width");
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w = from_w;
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h = w * den / num;
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} 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;
|
|
||||||
}
|
|
||||||
|
|
@ -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__ */
|
|
||||||
Loading…
Reference in a new issue