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9dd4541616
Original commit message from CVS: fix local includes and 64 bits constants
388 lines
10 KiB
C
388 lines
10 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2003> David Schleef <ds@schleef.org>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* This file was (probably) generated from gstvideoflip.c,
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* gstvideoflip.c,v 1.7 2003/11/08 02:48:59 dschleef Exp
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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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/*#define DEBUG_ENABLED */
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#include "gstvideoflip.h"
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#include <string.h>
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/* GstVideoflip 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 void gst_videoflip_base_init (gpointer g_class);
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static void gst_videoflip_class_init (gpointer g_class, gpointer class_data);
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static void gst_videoflip_init (GTypeInstance * instance, gpointer g_class);
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static void gst_videoflip_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_videoflip_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_videoflip_planar411 (GstVideofilter * videofilter, void *dest,
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void *src);
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static void gst_videoflip_setup (GstVideofilter * videofilter);
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#define GST_TYPE_VIDEOFLIP_METHOD (gst_videoflip_method_get_type())
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static GType
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gst_videoflip_method_get_type (void)
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{
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static GType videoflip_method_type = 0;
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static GEnumValue videoflip_methods[] = {
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{GST_VIDEOFLIP_METHOD_IDENTITY, "0", "Identity (no rotation)"},
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{GST_VIDEOFLIP_METHOD_90R, "1", "Rotate clockwise 90 degrees"},
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{GST_VIDEOFLIP_METHOD_180, "2", "Rotate 180 degrees"},
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{GST_VIDEOFLIP_METHOD_90L, "3", "Rotate counter-clockwise 90 degrees"},
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{GST_VIDEOFLIP_METHOD_HORIZ, "4", "Flip horizontally"},
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{GST_VIDEOFLIP_METHOD_VERT, "5", "Flip vertically"},
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{GST_VIDEOFLIP_METHOD_TRANS, "6",
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"Flip across upper left/lower right diagonal"},
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{GST_VIDEOFLIP_METHOD_OTHER, "7",
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"Flip across upper right/lower left diagonal"},
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{0, NULL, NULL},
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};
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if (!videoflip_method_type) {
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videoflip_method_type = g_enum_register_static ("GstVideoflipMethod",
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videoflip_methods);
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}
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return videoflip_method_type;
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}
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GType
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gst_videoflip_get_type (void)
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{
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static GType videoflip_type = 0;
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if (!videoflip_type) {
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static const GTypeInfo videoflip_info = {
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sizeof (GstVideoflipClass),
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gst_videoflip_base_init,
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NULL,
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gst_videoflip_class_init,
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NULL,
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NULL,
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sizeof (GstVideoflip),
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0,
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gst_videoflip_init,
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};
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videoflip_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
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"GstVideoflip", &videoflip_info, 0);
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}
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return videoflip_type;
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}
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static GstVideofilterFormat gst_videoflip_formats[] = {
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/* planar */
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{"YV12", 12, gst_videoflip_planar411,},
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{"I420", 12, gst_videoflip_planar411,},
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{"IYUV", 12, gst_videoflip_planar411,},
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};
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static void
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gst_videoflip_base_init (gpointer g_class)
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{
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static GstElementDetails videoflip_details =
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GST_ELEMENT_DETAILS ("Video Flipper",
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"Filter/Effect/Video",
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"Flips and rotates video",
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"David Schleef <ds@schleef.org>");
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
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int i;
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gst_element_class_set_details (element_class, &videoflip_details);
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for (i = 0; i < G_N_ELEMENTS (gst_videoflip_formats); i++) {
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gst_videofilter_class_add_format (videofilter_class,
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gst_videoflip_formats + i);
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}
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gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
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}
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static void
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gst_videoflip_class_init (gpointer g_class, gpointer class_data)
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{
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GObjectClass *gobject_class;
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GstVideofilterClass *videofilter_class;
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gobject_class = G_OBJECT_CLASS (g_class);
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videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
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g_object_class_install_property (gobject_class, ARG_METHOD,
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g_param_spec_enum ("method", "method", "method",
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GST_TYPE_VIDEOFLIP_METHOD, GST_VIDEOFLIP_METHOD_90R,
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G_PARAM_READWRITE));
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gobject_class->set_property = gst_videoflip_set_property;
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gobject_class->get_property = gst_videoflip_get_property;
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videofilter_class->setup = gst_videoflip_setup;
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}
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static void
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gst_videoflip_init (GTypeInstance * instance, gpointer g_class)
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{
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GstVideoflip *videoflip = GST_VIDEOFLIP (instance);
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GstVideofilter *videofilter;
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GST_DEBUG ("gst_videoflip_init");
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videofilter = GST_VIDEOFILTER (videoflip);
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/* do stuff */
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}
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static void
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gst_videoflip_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstVideoflip *src;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail (GST_IS_VIDEOFLIP (object));
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src = GST_VIDEOFLIP (object);
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GST_DEBUG ("gst_videoflip_set_property");
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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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/* FIXME is this ok? (threading issues) */
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gst_videoflip_setup (GST_VIDEOFILTER (src));
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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_videoflip_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstVideoflip *src;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail (GST_IS_VIDEOFLIP (object));
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src = GST_VIDEOFLIP (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 gboolean
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plugin_init (GstPlugin * plugin)
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{
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if (!gst_library_load ("gstvideofilter"))
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return FALSE;
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return gst_element_register (plugin, "videoflip", GST_RANK_NONE,
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GST_TYPE_VIDEOFLIP);
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"videoflip",
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"Flips and rotates video",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
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static void gst_videoflip_flip (GstVideoflip * videoflip,
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unsigned char *dest, unsigned char *src, int sw, int sh, int dw, int dh);
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static void gst_videoflip_setup (GstVideofilter * videofilter)
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{
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int from_width, from_height;
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GstVideoflip *videoflip;
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GST_DEBUG ("gst_videoflip_setup");
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videoflip = GST_VIDEOFLIP (videofilter);
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from_width = gst_videofilter_get_input_width (videofilter);
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from_height = gst_videofilter_get_input_height (videofilter);
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if (from_width == 0 || from_height == 0) {
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return;
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}
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switch (videoflip->method) {
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case GST_VIDEOFLIP_METHOD_90R:
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case GST_VIDEOFLIP_METHOD_90L:
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case GST_VIDEOFLIP_METHOD_TRANS:
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case GST_VIDEOFLIP_METHOD_OTHER:
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gst_videofilter_set_output_size (videofilter, from_height, from_width);
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break;
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case GST_VIDEOFLIP_METHOD_IDENTITY:
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case GST_VIDEOFLIP_METHOD_180:
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case GST_VIDEOFLIP_METHOD_HORIZ:
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case GST_VIDEOFLIP_METHOD_VERT:
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gst_videofilter_set_output_size (videofilter, from_width, from_height);
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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GST_DEBUG ("format=%p \"%s\" from %dx%d to %dx%d",
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videofilter->format, videofilter->format->fourcc,
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from_width, from_height, videofilter->to_width, videofilter->to_height);
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if (videoflip->method == GST_VIDEOFLIP_METHOD_IDENTITY) {
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GST_DEBUG ("videoflip: using passthru");
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videofilter->passthru = TRUE;
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} else {
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videofilter->passthru = FALSE;
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}
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videofilter->from_buf_size =
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(videofilter->from_width * videofilter->from_height *
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videofilter->format->depth) / 8;
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videofilter->to_buf_size =
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(videofilter->to_width * videofilter->to_height *
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videofilter->format->depth) / 8;
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videofilter->inited = TRUE;
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}
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static void
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gst_videoflip_planar411 (GstVideofilter * videofilter, void *dest, void *src)
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{
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GstVideoflip *videoflip;
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int sw;
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int sh;
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int dw;
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int dh;
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g_return_if_fail (GST_IS_VIDEOFLIP (videofilter));
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videoflip = GST_VIDEOFLIP (videofilter);
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sw = videofilter->from_width;
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sh = videofilter->from_height;
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dw = videofilter->to_width;
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dh = videofilter->to_height;
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GST_DEBUG ("videoflip: scaling planar 4:1:1 %dx%d to %dx%d", sw, sh, dw, dh);
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gst_videoflip_flip (videoflip, dest, src, sw, sh, dw, dh);
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src += sw * sh;
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dest += dw * dh;
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dh = dh >> 1;
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dw = dw >> 1;
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sh = sh >> 1;
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sw = sw >> 1;
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gst_videoflip_flip (videoflip, dest, src, sw, sh, dw, dh);
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src += sw * sh;
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dest += dw * dh;
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gst_videoflip_flip (videoflip, dest, src, sw, sh, dw, dh);
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}
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static void
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gst_videoflip_flip (GstVideoflip * videoflip, unsigned char *dest,
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unsigned char *src, int sw, int sh, int dw, int dh)
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{
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int x, y;
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switch (videoflip->method) {
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case GST_VIDEOFLIP_METHOD_90R:
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for (y = 0; y < dh; y++) {
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for (x = 0; x < dw; x++) {
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dest[y * dw + x] = src[(sh - 1 - x) * sw + y];
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}
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}
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break;
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case GST_VIDEOFLIP_METHOD_90L:
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for (y = 0; y < dh; y++) {
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for (x = 0; x < dw; x++) {
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dest[y * dw + x] = src[x * sw + (sw - 1 - y)];
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}
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}
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break;
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case GST_VIDEOFLIP_METHOD_180:
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for (y = 0; y < dh; y++) {
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for (x = 0; x < dw; x++) {
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dest[y * dw + x] = src[(sh - 1 - y) * sw + (sw - 1 - x)];
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}
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}
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break;
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case GST_VIDEOFLIP_METHOD_HORIZ:
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for (y = 0; y < dh; y++) {
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for (x = 0; x < dw; x++) {
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dest[y * dw + x] = src[y * sw + (sw - 1 - x)];
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}
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}
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break;
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case GST_VIDEOFLIP_METHOD_VERT:
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for (y = 0; y < dh; y++) {
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for (x = 0; x < dw; x++) {
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dest[y * dw + x] = src[(sh - 1 - y) * sw + x];
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}
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}
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break;
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case GST_VIDEOFLIP_METHOD_TRANS:
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for (y = 0; y < dh; y++) {
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for (x = 0; x < dw; x++) {
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dest[y * dw + x] = src[x * sw + y];
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}
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}
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break;
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case GST_VIDEOFLIP_METHOD_OTHER:
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for (y = 0; y < dh; y++) {
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for (x = 0; x < dw; x++) {
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dest[y * dw + x] = src[(sh - 1 - x) * sw + (sw - 1 - y)];
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}
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}
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break;
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default:
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/* FIXME */
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break;
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}
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}
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