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6026260635
Original commit message from CVS: Patch by: Jonathan Rosser <jonathan.rosser@rd.bbc.co.uk> * gst/videotestsrc/gstvideotestsrc.c: * gst/videotestsrc/gstvideotestsrc.h: * gst/videotestsrc/videotestsrc.c: * gst/videotestsrc/videotestsrc.h: Add a zone plate pattern generator based on BBC R&D Report 1978/23 (yeah *that* 1978). Try 'videotestsrc pattern=zone-plate kx2=20 ky2=20 kt=1'.
114 lines
4.5 KiB
C
114 lines
4.5 KiB
C
/* GStreamer
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* Copyright (C) <2003> David A. 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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#ifndef __VIDEO_TEST_SRC_H__
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#define __VIDEO_TEST_SRC_H__
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#include <glib.h>
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enum {
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VTS_YUV,
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VTS_RGB,
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VTS_BAYER
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};
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struct vts_color_struct_yuv {
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guint8 Y, U, V;
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};
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struct vts_color_struct_rgb {
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guint8 R, G, B;
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};
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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; /* pointer to first byte of video data */
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unsigned char *yp, *up, *vp; /* pointers to first byte of each component
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* for both packed/planar YUV and RGB */
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unsigned char *ap; /* pointer to first byte of alpha component */
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unsigned char *endptr; /* pointer to byte beyond last video data */
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int ystride;
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int ustride;
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int vstride;
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int width;
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int height;
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const struct vts_color_struct_rgb *rgb_colors;
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const struct vts_color_struct_yuv *yuv_colors;
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const struct vts_color_struct_rgb *rgb_color;
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const struct vts_color_struct_yuv *yuv_color;
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//const struct vts_color_struct *color;
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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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int type;
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char *fourcc;
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char *name;
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int bitspp;
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void (*paint_setup) (paintinfo * p, unsigned char *dest);
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void (*paint_hline) (paintinfo * p, int x, int y, int w);
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int depth;
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unsigned int red_mask;
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unsigned int green_mask;
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unsigned int blue_mask;
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unsigned int alpha_mask;
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};
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struct fourcc_list_struct *
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paintrect_find_fourcc (int find_fourcc);
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struct fourcc_list_struct *
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paintrect_find_name (const char *name);
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struct fourcc_list_struct *
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paintinfo_find_by_structure (const GstStructure *structure);
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GstStructure *
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paint_get_structure (struct fourcc_list_struct *format);
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int gst_video_test_src_get_size (GstVideoTestSrc * v, int w, int h);
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void gst_video_test_src_smpte (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_smpte75 (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_snow (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_black (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_white (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_red (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_green (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_blue (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_checkers1 (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_checkers2 (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_checkers4 (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_checkers8 (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_circular (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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void gst_video_test_src_zoneplate (GstVideoTestSrc * v,
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unsigned char *dest, int w, int h);
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extern struct fourcc_list_struct fourcc_list[];
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extern int n_fourccs;
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#endif
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