mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 13:18:52 +00:00
Original commit message from CVS: Lots of new goodness. Will negotiate caps and output images in about 20 different formats. Some code cleanup. Fixed YUV color values for -I and Q.
998 lines
24 KiB
C
998 lines
24 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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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/*#define DEBUG_ENABLED */
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#include <gstvideotestsrc.h>
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#include <string.h>
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#include <stdlib.h>
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typedef struct paintinfo_struct paintinfo;
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struct paintinfo_struct
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{
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unsigned char *dest;
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unsigned char *yp, *up, *vp;
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int width;
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int height;
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int Y, U, V;
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void (*paint_hline) (paintinfo * p, int x, int y, int w);
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};
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struct fourcc_list_struct
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{
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char *fourcc;
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int bitspp;
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void (*paint_setup) (paintinfo * p, char *dest);
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void (*paint_hline) (paintinfo * p, int x, int y, int w);
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};
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static struct fourcc_list_struct fourcc_list[];
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static int n_fourccs;
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static int paintrect_find_fourcc (int find_fourcc);
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/* elementfactory information */
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static GstElementDetails videotestsrc_details = {
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"Video test source",
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"Source/Video",
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"LGPL",
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"Creates a test video stream",
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VERSION,
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"David A. Schleef <ds@schleef.org>",
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"(C) 2002",
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};
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/* GstVideotestsrc 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_WIDTH,
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ARG_HEIGHT,
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ARG_FOURCC,
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/* FILL ME */
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};
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GST_PAD_TEMPLATE_FACTORY (videotestsrc_src_template_factory,
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"src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_CAPS_NEW ("videotestsrc_src",
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"video/raw",
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"width", GST_PROPS_INT_RANGE (0, G_MAXINT),
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"height", GST_PROPS_INT_RANGE (0, G_MAXINT)
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)
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);
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static void gst_videotestsrc_class_init (GstVideotestsrcClass * klass);
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static void gst_videotestsrc_init (GstVideotestsrc * videotestsrc);
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static GstElementStateReturn gst_videotestsrc_change_state (GstElement * element);
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static void gst_videotestsrc_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_videotestsrc_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec);
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static GstBuffer *gst_videotestsrc_get (GstPad * pad);
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static GstElementClass *parent_class = NULL;
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static void gst_videotestsrc_setup (GstVideotestsrc * v);
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static void random_chars (unsigned char *dest, int nbytes);
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static void gst_videotestsrc_smpte_yuv (GstVideotestsrc * v, unsigned char *dest, int w, int h);
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static void gst_videotestsrc_smpte_RGB (GstVideotestsrc * v, unsigned char *dest, int w, int h);
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#if 0
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static void gst_videotestsrc_colors_yuv (GstVideotestsrc * v, unsigned char *dest, int w, int h);
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#endif
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static GType
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gst_videotestsrc_get_type (void)
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{
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static GType videotestsrc_type = 0;
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if (!videotestsrc_type) {
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static const GTypeInfo videotestsrc_info = {
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sizeof (GstVideotestsrcClass), NULL,
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NULL,
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(GClassInitFunc) gst_videotestsrc_class_init,
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NULL,
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NULL,
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sizeof (GstVideotestsrc),
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0,
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(GInstanceInitFunc) gst_videotestsrc_init,
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};
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videotestsrc_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstVideotestsrc", &videotestsrc_info, 0);
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}
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return videotestsrc_type;
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}
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static void
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gst_videotestsrc_class_init (GstVideotestsrcClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDTH, g_param_spec_int ("width", "width", "width", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HEIGHT, g_param_spec_int ("height", "height", "height", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FOURCC,
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g_param_spec_string ("fourcc", "fourcc", "fourcc",
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NULL, G_PARAM_READWRITE));
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gobject_class->set_property = gst_videotestsrc_set_property;
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gobject_class->get_property = gst_videotestsrc_get_property;
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gstelement_class->change_state = gst_videotestsrc_change_state;
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}
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static GstPadConnectReturn
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gst_videotestsrc_srcconnect (GstPad * pad, GstCaps * caps)
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{
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GstVideotestsrc *videotestsrc;
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GST_DEBUG (0, "gst_videotestsrc_srcconnect");
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videotestsrc = GST_VIDEOTESTSRC (gst_pad_get_parent (pad));
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#if 0
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if (!GST_CAPS_IS_FIXED (caps)) {
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return GST_PAD_CONNECT_DELAYED;
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}
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#endif
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gst_caps_get_fourcc_int (caps, "format", &videotestsrc->format);
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gst_caps_get_int (caps, "width", &videotestsrc->width);
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gst_caps_get_int (caps, "height", &videotestsrc->height);
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GST_DEBUG (0, "format is 0x%08x\n", videotestsrc->format);
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printf ("videotestsrc: caps FOURCC 0x%08x, forced FOURCC 0x%08x\n",
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videotestsrc->format, videotestsrc->forced_format);
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if (videotestsrc->forced_format && videotestsrc->format != videotestsrc->forced_format) {
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return GST_PAD_CONNECT_REFUSED;
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}
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printf ("videotestsrc: using FOURCC 0x%08x\n", videotestsrc->format);
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if (videotestsrc->format == GST_MAKE_FOURCC ('R', 'G', 'B', ' ')) {
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videotestsrc->make_image = gst_videotestsrc_smpte_RGB;
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videotestsrc->bpp = 16;
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} else {
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int index;
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index = paintrect_find_fourcc (videotestsrc->format);
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videotestsrc->make_image = gst_videotestsrc_smpte_yuv;
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/* videotestsrc->make_image = gst_videotestsrc_colors_yuv; */
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videotestsrc->bpp = fourcc_list[index].bitspp;
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}
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GST_DEBUG (0, "size %d x %d", videotestsrc->width, videotestsrc->height);
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return GST_PAD_CONNECT_OK;
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}
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static GstElementStateReturn
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gst_videotestsrc_change_state (GstElement * element)
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{
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GstVideotestsrc *v;
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v = GST_VIDEOTESTSRC (element);
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switch (GST_STATE_TRANSITION (element)) {
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case GST_STATE_PAUSED_TO_PLAYING:
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v->pool = gst_pad_get_bufferpool (v->srcpad);
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break;
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case GST_STATE_PLAYING_TO_PAUSED:
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v->pool = NULL;
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break;
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}
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parent_class->change_state (element);
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return GST_STATE_SUCCESS;
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}
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static GstCaps *
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gst_videotestsrc_get_capslist (void)
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{
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static GstCaps *capslist = NULL;
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GstCaps *caps;
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int i;
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if (capslist)
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return capslist;
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for (i = 0; i < n_fourccs; i++) {
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char *s = fourcc_list[i].fourcc;
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int fourcc = GST_MAKE_FOURCC (s[0], s[1], s[2], s[3]);
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caps = gst_caps_new ("videotestsrc_filter",
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"video/raw",
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gst_props_new ("format", GST_PROPS_FOURCC (fourcc),
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"width", GST_PROPS_INT (640), "height", GST_PROPS_INT (480)
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));
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capslist = gst_caps_append (capslist, caps);
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}
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return capslist;
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}
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static GstCaps *
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gst_videotestsrc_getcaps (GstPad * pad, GstCaps * caps)
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{
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GstVideotestsrc *vts;
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vts = GST_VIDEOTESTSRC (gst_pad_get_parent (pad));
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if (vts->forced_format != 0) {
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return GST_CAPS_NEW ("videotestsrc_filter",
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"video/raw",
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"format", GST_PROPS_FOURCC (vts->forced_format),
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"width", GST_PROPS_INT (640), "height", GST_PROPS_INT (480)
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);
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} else {
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return gst_videotestsrc_get_capslist ();
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}
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}
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static void
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gst_videotestsrc_init (GstVideotestsrc * videotestsrc)
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{
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GST_DEBUG (0, "gst_videotestsrc_init");
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videotestsrc->srcpad =
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gst_pad_new_from_template (GST_PAD_TEMPLATE_GET (videotestsrc_src_template_factory), "src");
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/*gst_pad_set_negotiate_function(videotestsrc->srcpad,videotestsrc_negotiate_src); */
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gst_pad_set_getcaps_function (videotestsrc->srcpad, gst_videotestsrc_getcaps);
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gst_element_add_pad (GST_ELEMENT (videotestsrc), videotestsrc->srcpad);
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gst_pad_set_get_function (videotestsrc->srcpad, gst_videotestsrc_get);
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gst_pad_set_connect_function (videotestsrc->srcpad, gst_videotestsrc_srcconnect);
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videotestsrc->width = 640;
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videotestsrc->height = 480;
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videotestsrc->timestamp = 0;
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videotestsrc->interval = GST_SECOND / 1;
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videotestsrc->pool = NULL;
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}
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static GstBuffer *
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gst_videotestsrc_get (GstPad * pad)
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{
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GstVideotestsrc *videotestsrc;
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gulong newsize;
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GstBuffer *buf;
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GST_DEBUG (0, "gst_videotestsrc_get");
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g_return_val_if_fail (pad != NULL, NULL);
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g_return_val_if_fail (GST_IS_PAD (pad), NULL);
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videotestsrc = GST_VIDEOTESTSRC (gst_pad_get_parent (pad));
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newsize = (videotestsrc->width * videotestsrc->height * videotestsrc->bpp) >> 3;
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GST_DEBUG (0, "size=%ld %dx%d", newsize, videotestsrc->width, videotestsrc->height);
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buf = NULL;
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if (videotestsrc->pool) {
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buf = gst_buffer_new_from_pool (videotestsrc->pool, 0, 0);
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}
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if (!buf) {
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buf = gst_buffer_new ();
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GST_BUFFER_SIZE (buf) = newsize;
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GST_BUFFER_DATA (buf) = g_malloc (newsize);
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}
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g_return_val_if_fail (GST_BUFFER_DATA (buf) != NULL, NULL);
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videotestsrc->timestamp += videotestsrc->interval;
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GST_BUFFER_TIMESTAMP (buf) = videotestsrc->timestamp;
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videotestsrc->make_image (videotestsrc, (void *) GST_BUFFER_DATA (buf),
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videotestsrc->width, videotestsrc->height);
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return buf;
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}
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static void
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gst_videotestsrc_set_property (GObject * object, guint prop_id, const GValue * value,
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GParamSpec * pspec)
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{
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GstVideotestsrc *src;
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const gchar *s;
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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_VIDEOTESTSRC (object));
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src = GST_VIDEOTESTSRC (object);
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GST_DEBUG (0, "gst_videotestsrc_set_property");
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switch (prop_id) {
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case ARG_WIDTH:
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src->width = g_value_get_int (value);
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break;
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case ARG_HEIGHT:
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src->height = g_value_get_int (value);
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break;
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case ARG_FOURCC:
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s = g_value_get_string (value);
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if (strlen (s) == 4) {
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src->forced_format = GST_MAKE_FOURCC (s[0], s[1], s[2], s[3]);
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printf ("forcing FOURCC to 0x%08x\n", src->forced_format);
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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_videotestsrc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
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{
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GstVideotestsrc *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_VIDEOTESTSRC (object));
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src = GST_VIDEOTESTSRC (object);
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switch (prop_id) {
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case ARG_WIDTH:
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g_value_set_int (value, src->width);
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break;
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case ARG_HEIGHT:
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g_value_set_int (value, src->height);
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break;
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case ARG_FOURCC:
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/* FIXME */
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/* g_value_set_int (value, src->forced_format); */
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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 (GModule * module, GstPlugin * plugin)
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{
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GstElementFactory *factory;
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/* create an elementfactory for the videotestsrc element */
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factory = gst_element_factory_new ("videotestsrc", GST_TYPE_VIDEOTESTSRC, &videotestsrc_details);
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g_return_val_if_fail (factory != NULL, FALSE);
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gst_element_factory_add_pad_template (factory,
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GST_PAD_TEMPLATE_GET (videotestsrc_src_template_factory));
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gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
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return TRUE;
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}
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GstPluginDesc plugin_desc = {
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"videotestsrc",
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plugin_init
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};
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/* Non-GST specific stuff */
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static void
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gst_videotestsrc_setup (GstVideotestsrc * v)
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{
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}
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static unsigned char
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random_char (void)
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{
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static unsigned int state;
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state *= 1103515245;
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state += 12345;
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return (state >> 16);
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}
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static void
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random_chars (unsigned char *dest, int nbytes)
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{
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int i;
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static unsigned int state;
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for (i = 0; i < nbytes; i++) {
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state *= 1103515245;
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state += 12345;
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dest[i] = (state >> 16);
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}
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}
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static void
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memset_str2 (unsigned char *dest, unsigned char val, int n)
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{
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int i;
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for (i = 0; i < n; i++) {
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*dest = val;
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dest += 2;
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}
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}
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static void
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memset_str3 (unsigned char *dest, unsigned char val, int n)
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{
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int i;
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for (i = 0; i < n; i++) {
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*dest = val;
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dest += 3;
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}
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}
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static void
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memset_str4 (unsigned char *dest, unsigned char val, int n)
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{
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int i;
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for (i = 0; i < n; i++) {
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*dest = val;
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dest += 4;
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}
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}
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static void
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paint_rect_random (unsigned char *dest, int stride, int x, int y, int w, int h)
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{
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unsigned char *d = dest + stride * y + x;
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int i;
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for (i = 0; i < h; i++) {
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random_chars (d, w);
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d += stride;
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}
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}
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static void
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paint_rect (unsigned char *dest, int stride, int x, int y, int w, int h, unsigned char color)
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{
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unsigned char *d = dest + stride * y + x;
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int i;
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for (i = 0; i < h; i++) {
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memset (d, color, w);
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d += stride;
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}
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}
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static void
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|
paint_rect_s2 (unsigned char *dest, int stride, int x, int y, int w, int h, unsigned char col)
|
|
{
|
|
unsigned char *d = dest + stride * y + x * 2;
|
|
unsigned char *dp;
|
|
int i, j;
|
|
|
|
for (i = 0; i < h; i++) {
|
|
dp = d;
|
|
for (j = 0; j < w; j++) {
|
|
*dp = col;
|
|
dp += 2;
|
|
}
|
|
d += stride;
|
|
}
|
|
}
|
|
|
|
static void
|
|
paint_rect2 (unsigned char *dest, int stride, int x, int y, int w, int h, unsigned char *col)
|
|
{
|
|
unsigned char *d = dest + stride * y + x * 2;
|
|
unsigned char *dp;
|
|
int i, j;
|
|
|
|
for (i = 0; i < h; i++) {
|
|
dp = d;
|
|
for (j = 0; j < w; j++) {
|
|
*dp++ = col[0];
|
|
*dp++ = col[1];
|
|
}
|
|
d += stride;
|
|
}
|
|
}
|
|
static void
|
|
paint_rect3 (unsigned char *dest, int stride, int x, int y, int w, int h, unsigned char *col)
|
|
{
|
|
unsigned char *d = dest + stride * y + x * 3;
|
|
unsigned char *dp;
|
|
int i, j;
|
|
|
|
for (i = 0; i < h; i++) {
|
|
dp = d;
|
|
for (j = 0; j < w; j++) {
|
|
*dp++ = col[0];
|
|
*dp++ = col[1];
|
|
*dp++ = col[2];
|
|
}
|
|
d += stride;
|
|
}
|
|
}
|
|
|
|
static void
|
|
paint_rect_s4 (unsigned char *dest, int stride, int x, int y, int w, int h, unsigned char col)
|
|
{
|
|
unsigned char *d = dest + stride * y + x * 4;
|
|
unsigned char *dp;
|
|
int i, j;
|
|
|
|
for (i = 0; i < h; i++) {
|
|
dp = d;
|
|
for (j = 0; j < w; j++) {
|
|
*dp = col;
|
|
dp += 4;
|
|
}
|
|
d += stride;
|
|
}
|
|
}
|
|
|
|
/* wht yel cya grn mag red blu blk -I Q */
|
|
static int y_colors[] = { 255, 226, 179, 150, 105, 76, 29, 16, 16, 16 };
|
|
static int u_colors[] = { 128, 0, 170, 46, 212, 85, 255, 128, 198, 235 };
|
|
static int v_colors[] = { 128, 155, 0, 21, 235, 255, 107, 128, 21, 198 };
|
|
|
|
static void paint_setup_I420 (paintinfo * p, char *dest);
|
|
static void paint_setup_YV12 (paintinfo * p, char *dest);
|
|
static void paint_setup_YUY2 (paintinfo * p, char *dest);
|
|
static void paint_setup_UYVY (paintinfo * p, char *dest);
|
|
static void paint_setup_YVYU (paintinfo * p, char *dest);
|
|
static void paint_setup_Y800 (paintinfo * p, char *dest);
|
|
static void paint_setup_IMC1 (paintinfo * p, char *dest);
|
|
static void paint_setup_IMC2 (paintinfo * p, char *dest);
|
|
static void paint_setup_IMC3 (paintinfo * p, char *dest);
|
|
static void paint_setup_IMC4 (paintinfo * p, char *dest);
|
|
|
|
static void paint_hline_I420 (paintinfo * p, int x, int y, int w);
|
|
static void paint_hline_YUY2 (paintinfo * p, int x, int y, int w);
|
|
static void paint_hline_Y800 (paintinfo * p, int x, int y, int w);
|
|
static void paint_hline_IMC1 (paintinfo * p, int x, int y, int w);
|
|
|
|
static struct fourcc_list_struct fourcc_list[] = {
|
|
/* packed */
|
|
{"YUY2", 16, paint_setup_YUY2, paint_hline_YUY2},
|
|
{"UYVY", 16, paint_setup_UYVY, paint_hline_YUY2},
|
|
{"Y422", 16, paint_setup_UYVY, paint_hline_YUY2},
|
|
{"UYNV", 16, paint_setup_UYVY, paint_hline_YUY2},
|
|
{"YVYU", 16, paint_setup_YVYU, paint_hline_YUY2},
|
|
|
|
/* interlaced */
|
|
/*{ "IUYV", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
|
|
/* inverted */
|
|
/*{ "cyuv", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
|
|
/*{ "Y41P", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
|
|
/* interlaced */
|
|
/*{ "IY41", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
|
|
/*{ "Y211", 8, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
|
|
/*{ "Y41T", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
/*{ "Y42P", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
/*{ "CLJR", 8, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
/*{ "IYU1", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
/*{ "IYU2", 24, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
|
|
/* planar */
|
|
/* YVU9 */
|
|
/* YUV9 */
|
|
/* IF09 */
|
|
/* YV12 */
|
|
{"YV12", 12, paint_setup_YV12, paint_hline_I420},
|
|
/* I420 */
|
|
{"I420", 12, paint_setup_I420, paint_hline_I420},
|
|
/* IYUV (same as I420) */
|
|
{"IYUV", 12, paint_setup_I420, paint_hline_I420},
|
|
/* NV12 */
|
|
/* NV21 */
|
|
/* IMC1 */
|
|
{"IMC1", 16, paint_setup_IMC1, paint_hline_IMC1},
|
|
/* IMC2 */
|
|
{"IMC2", 12, paint_setup_IMC2, paint_hline_IMC1},
|
|
/* IMC3 */
|
|
{"IMC3", 16, paint_setup_IMC3, paint_hline_IMC1},
|
|
/* IMC4 */
|
|
{"IMC4", 12, paint_setup_IMC4, paint_hline_IMC1},
|
|
/* CLPL */
|
|
/* Y41B */
|
|
/* Y42B */
|
|
/* Y800 grayscale */
|
|
{"Y800", 8, paint_setup_Y800, paint_hline_Y800},
|
|
/* Y8 same as Y800 */
|
|
{"Y8 ", 8, paint_setup_Y800, paint_hline_Y800},
|
|
|
|
/*{ "IYU2", 24, paint_setup_YVYU, paint_hline_YUY2 }, */
|
|
};
|
|
static int n_fourccs = sizeof (fourcc_list) / sizeof (fourcc_list[0]);
|
|
|
|
static int
|
|
paintrect_find_fourcc (int find_fourcc)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < n_fourccs; i++) {
|
|
char *s;
|
|
int fourcc;
|
|
|
|
s = fourcc_list[i].fourcc;
|
|
fourcc = GST_MAKE_FOURCC (s[0], s[1], s[2], s[3]);
|
|
if (find_fourcc == fourcc) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
gst_videotestsrc_smpte_yuv (GstVideotestsrc * v, unsigned char *dest, int w, int h)
|
|
{
|
|
int index;
|
|
int i;
|
|
int y1, y2;
|
|
int j;
|
|
paintinfo pi;
|
|
paintinfo *p = π
|
|
|
|
p->width = w;
|
|
p->height = h;
|
|
index = paintrect_find_fourcc (v->format);
|
|
if (index < 0)
|
|
return;
|
|
|
|
fourcc_list[index].paint_setup (p, dest);
|
|
p->paint_hline = fourcc_list[index].paint_hline;
|
|
|
|
y1 = 2 * h / 3;
|
|
y2 = h * 0.75;
|
|
|
|
/* color bars */
|
|
for (i = 0; i < 7; i++) {
|
|
int x1 = i * w / 7;
|
|
int x2 = (i + 1) * w / 7;
|
|
|
|
p->Y = y_colors[i];
|
|
p->U = u_colors[i];
|
|
p->V = v_colors[i];
|
|
for (j = 0; j < y1; j++) {
|
|
p->paint_hline (p, x1, j, (x2 - x1));
|
|
}
|
|
}
|
|
|
|
/* inverse blue bars */
|
|
for (i = 0; i < 7; i++) {
|
|
int x1 = i * w / 7;
|
|
int x2 = (i + 1) * w / 7;
|
|
int k;
|
|
|
|
if (i & 1) {
|
|
k = 7;
|
|
} else {
|
|
k = 6 - i;
|
|
}
|
|
p->Y = y_colors[k];
|
|
p->U = u_colors[k];
|
|
p->V = v_colors[k];
|
|
for (j = y1; j < y2; j++) {
|
|
p->paint_hline (p, x1, j, (x2 - x1));
|
|
}
|
|
}
|
|
|
|
/* -I, white, Q regions */
|
|
for (i = 0; i < 3; i++) {
|
|
int x1 = i * w / 6;
|
|
int x2 = (i + 1) * w / 6;
|
|
int k;
|
|
|
|
if (i == 0) {
|
|
k = 8;
|
|
} else if (i == 1) {
|
|
k = 0;
|
|
} else
|
|
k = 9;
|
|
|
|
p->Y = y_colors[k];
|
|
p->U = u_colors[k];
|
|
p->V = v_colors[k];
|
|
|
|
for (j = y2; j < h; j++) {
|
|
p->paint_hline (p, x1, j, (x2 - x1));
|
|
}
|
|
}
|
|
|
|
{
|
|
int x1 = w / 2;
|
|
|
|
p->U = u_colors[0];
|
|
p->V = v_colors[0];
|
|
|
|
for (i = x1; i < w; i++) {
|
|
for (j = y2; j < h; j++) {
|
|
p->Y = random_char ();
|
|
p->paint_hline (p, i, j, 1);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
static void
|
|
paint_setup_I420 (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest;
|
|
p->up = dest + p->width * p->height;
|
|
p->vp = dest + p->width * p->height + p->width * p->height / 4;
|
|
}
|
|
|
|
static void
|
|
paint_hline_I420 (paintinfo * p, int x, int y, int w)
|
|
{
|
|
int x1 = x / 2;
|
|
int x2 = (x + w) / 2;
|
|
int offset = y * p->width;
|
|
int offset1 = (y / 2) * (p->width / 2);
|
|
|
|
memset (p->yp + offset + x, p->Y, w);
|
|
memset (p->up + offset1 + x1, p->U, x2 - x1);
|
|
memset (p->vp + offset1 + x1, p->V, x2 - x1);
|
|
}
|
|
|
|
static void
|
|
paint_setup_YV12 (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest;
|
|
p->up = dest + p->width * p->height + p->width * p->height / 4;
|
|
p->vp = dest + p->width * p->height;
|
|
}
|
|
|
|
static void
|
|
paint_setup_YUY2 (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest;
|
|
p->up = dest + 1;
|
|
p->vp = dest + 3;
|
|
}
|
|
|
|
static void
|
|
paint_setup_UYVY (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest + 1;
|
|
p->up = dest;
|
|
p->vp = dest + 2;
|
|
}
|
|
|
|
static void
|
|
paint_setup_YVYU (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest;
|
|
p->up = dest + 3;
|
|
p->vp = dest + 1;
|
|
}
|
|
|
|
static void
|
|
paint_hline_YUY2 (paintinfo * p, int x, int y, int w)
|
|
{
|
|
int x1 = x / 2;
|
|
int x2 = (x + w) / 2;
|
|
int offset;
|
|
|
|
offset = y * p->width * 2;
|
|
memset_str2 (p->yp + offset + x * 2, p->Y, w);
|
|
memset_str4 (p->up + offset + x1 * 4, p->U, x2 - x1);
|
|
memset_str4 (p->vp + offset + x1 * 4, p->V, x2 - x1);
|
|
}
|
|
|
|
static void
|
|
paint_setup_Y800 (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest;
|
|
}
|
|
|
|
static void
|
|
paint_hline_Y800 (paintinfo * p, int x, int y, int w)
|
|
{
|
|
int offset = y * p->width;
|
|
|
|
memset (p->yp + offset + x, p->Y, w);
|
|
}
|
|
|
|
static void
|
|
paint_setup_IMC1 (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest;
|
|
p->up = dest + p->width * p->height;
|
|
p->vp = dest + p->width * p->height + p->width * p->height / 2;
|
|
}
|
|
|
|
static void
|
|
paint_setup_IMC2 (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest;
|
|
p->vp = dest + p->width * p->height;
|
|
p->up = dest + p->width * p->height + p->width / 2;
|
|
}
|
|
|
|
static void
|
|
paint_setup_IMC3 (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest;
|
|
p->up = dest + p->width * p->height + p->width * p->height / 2;
|
|
p->vp = dest + p->width * p->height;
|
|
}
|
|
|
|
static void
|
|
paint_setup_IMC4 (paintinfo * p, char *dest)
|
|
{
|
|
p->yp = dest;
|
|
p->vp = dest + p->width * p->height + p->width / 2;
|
|
p->up = dest + p->width * p->height;
|
|
}
|
|
|
|
static void
|
|
paint_hline_IMC1 (paintinfo * p, int x, int y, int w)
|
|
{
|
|
int x1 = x / 2;
|
|
int x2 = (x + w) / 2;
|
|
int offset = y * p->width;
|
|
int offset1 = (y / 2) * p->width;
|
|
|
|
memset (p->yp + offset + x, p->Y, w);
|
|
memset (p->up + offset1 + x1, p->U, x2 - x1);
|
|
memset (p->vp + offset1 + x1, p->V, x2 - x1);
|
|
}
|
|
|
|
|
|
|
|
/* wht yel cya grn mag red blu blk -I Q */
|
|
static int r_colors[] = { 255, 255, 0, 0, 255, 255, 0, 0, 0, 0 };
|
|
static int g_colors[] = { 255, 255, 255, 255, 0, 0, 0, 0, 0, 128 };
|
|
static int b_colors[] = { 255, 0, 255, 0, 255, 0, 255, 0, 128, 255 };
|
|
|
|
static void
|
|
gst_videotestsrc_smpte_RGB (GstVideotestsrc * v, unsigned char *dest, int w, int h)
|
|
{
|
|
int i;
|
|
int y1, y2;
|
|
|
|
y1 = h * 2 / 3;
|
|
y2 = h * 0.75;
|
|
|
|
/* color bars */
|
|
for (i = 0; i < 7; i++) {
|
|
int x1 = i * w / 7;
|
|
int x2 = (i + 1) * w / 7;
|
|
unsigned char col[2];
|
|
|
|
col[0] = (g_colors[i] & 0xe0) | (b_colors[i] >> 3);
|
|
col[1] = (r_colors[i] & 0xf8) | (g_colors[i] >> 5);
|
|
paint_rect2 (dest, w * 2, x1, 0, x2 - x1, y1, col);
|
|
}
|
|
|
|
/* inverse blue bars */
|
|
for (i = 0; i < 7; i++) {
|
|
int x1 = i * w / 7;
|
|
int x2 = (i + 1) * w / 7;
|
|
unsigned char col[2];
|
|
int k;
|
|
|
|
if (i & 1) {
|
|
k = 7;
|
|
} else {
|
|
k = 6 - i;
|
|
}
|
|
col[0] = (g_colors[k] & 0xe0) | (b_colors[k] >> 3);
|
|
col[1] = (r_colors[k] & 0xf8) | (g_colors[k] >> 5);
|
|
paint_rect2 (dest, w * 2, x1, y1, x2 - x1, y2 - y1, col);
|
|
}
|
|
|
|
/* -I, white, Q regions */
|
|
for (i = 0; i < 3; i++) {
|
|
int x1 = i * w / 6;
|
|
int x2 = (i + 1) * w / 6;
|
|
unsigned char col[2];
|
|
int k;
|
|
|
|
if (i == 0) {
|
|
k = 8;
|
|
} else if (i == 1) {
|
|
k = 0;
|
|
} else
|
|
k = 9;
|
|
|
|
col[0] = (g_colors[k] & 0xe0) | (b_colors[k] >> 3);
|
|
col[1] = (r_colors[k] & 0xf8) | (g_colors[k] >> 5);
|
|
paint_rect2 (dest, w * 2, x1, y2, x2 - x1, h - y2, col);
|
|
}
|
|
|
|
{
|
|
int x1 = w / 2;
|
|
int x2 = w - 1;
|
|
|
|
paint_rect_random (dest, w * 2, x1 * 2, y2, (x2 - x1) * 2, h - y2);
|
|
}
|
|
}
|
|
|
|
#ifdef unused
|
|
static void
|
|
gst_videotestsrc_colors_yuv (GstVideotestsrc * v, unsigned char *dest, int w, int h)
|
|
{
|
|
int index;
|
|
int i;
|
|
int j;
|
|
int k;
|
|
paintinfo pi;
|
|
paintinfo *p = π
|
|
static int static_y = 0;
|
|
|
|
p->width = w;
|
|
p->height = h;
|
|
index = paintrect_find_fourcc (v->format);
|
|
if (index < 0)
|
|
return;
|
|
|
|
fourcc_list[index].paint_setup (p, dest);
|
|
p->paint_hline = fourcc_list[index].paint_hline;
|
|
|
|
/* color bars */
|
|
for (i = 0; i < 16; i++) {
|
|
int x1 = (i * w) >> 4;
|
|
int x2 = ((i + 1) * w) >> 4;
|
|
|
|
p->Y = static_y;
|
|
p->U = i * 17;
|
|
for (j = 0; j < 16; j++) {
|
|
int y1 = (j * h) >> 4;
|
|
int y2 = ((j + 1) * h) >> 4;
|
|
|
|
p->V = j * 17;
|
|
for (k = y1; k < y2; k++) {
|
|
p->paint_hline (p, x1, k, (x2 - x1));
|
|
}
|
|
}
|
|
}
|
|
|
|
static_y += 17;
|
|
if (static_y >= 256)
|
|
static_y = 0;
|
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}
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#endif
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|