gstreamer/gst-libs/gst/video/video.h
Jan Schmidt 34db0838be Fix integer overflow problem with pixel-aspect-ratio calculations in videoscale and xvimagesink (#341542)
Original commit message from CVS:
* docs/libs/gst-plugins-base-libs-docs.sgml:
* docs/libs/gst-plugins-base-libs-sections.txt:
* gst-libs/gst/video/video.c: (gst_video_calculate_display_ratio):
* gst-libs/gst/video/video.h:
* gst/videoscale/Makefile.am:
* gst/videoscale/gstvideoscale.c: (gst_video_scale_fixate_caps):
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_setcaps):
* tests/check/Makefile.am:
* tests/check/libs/video.c: (GST_START_TEST), (video_suite),
(main):
Fix integer overflow problem with pixel-aspect-ratio calculations
in videoscale and xvimagesink (#341542)
2006-05-12 21:30:00 +00:00

199 lines
8.1 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Library <2002> Ronald Bultje <rbultje@ronald.bitfreak.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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_VIDEO_H__
#define __GST_VIDEO_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_VIDEO_BYTE1_MASK_32 "0xFF000000"
#define GST_VIDEO_BYTE2_MASK_32 "0x00FF0000"
#define GST_VIDEO_BYTE3_MASK_32 "0x0000FF00"
#define GST_VIDEO_BYTE4_MASK_32 "0x000000FF"
#define GST_VIDEO_BYTE1_MASK_24 "0x00FF0000"
#define GST_VIDEO_BYTE2_MASK_24 "0x0000FF00"
#define GST_VIDEO_BYTE3_MASK_24 "0x000000FF"
#define GST_VIDEO_BYTE1_MASK_32_INT 0xFF000000
#define GST_VIDEO_BYTE2_MASK_32_INT 0x00FF0000
#define GST_VIDEO_BYTE3_MASK_32_INT 0x0000FF00
#define GST_VIDEO_BYTE4_MASK_32_INT 0x000000FF
#define GST_VIDEO_BYTE1_MASK_24_INT 0x00FF0000
#define GST_VIDEO_BYTE2_MASK_24_INT 0x0000FF00
#define GST_VIDEO_BYTE3_MASK_24_INT 0x000000FF
#define GST_VIDEO_RED_MASK_16 "0xf800"
#define GST_VIDEO_GREEN_MASK_16 "0x07e0"
#define GST_VIDEO_BLUE_MASK_16 "0x001f"
#define GST_VIDEO_RED_MASK_15 "0x7c00"
#define GST_VIDEO_GREEN_MASK_15 "0x03e0"
#define GST_VIDEO_BLUE_MASK_15 "0x001f"
#define GST_VIDEO_RED_MASK_16_INT 0xf800
#define GST_VIDEO_GREEN_MASK_16_INT 0x07e0
#define GST_VIDEO_BLUE_MASK_16_INT 0x001f
#define GST_VIDEO_RED_MASK_15_INT 0x7c00
#define GST_VIDEO_GREEN_MASK_15_INT 0x03e0
#define GST_VIDEO_BLUE_MASK_15_INT 0x001f
#define GST_VIDEO_SIZE_RANGE "(int) [ 1, max ]"
#define GST_VIDEO_FPS_RANGE "(fraction) [ 0, max ]"
/* consider the next 2 protected */
#define __GST_VIDEO_CAPS_MAKE_32A(R, G, B, A) \
"video/x-raw-rgb, " \
"bpp = (int) 32, " \
"depth = (int) 32, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \
"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \
"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \
"alpha_mask = (int) " GST_VIDEO_BYTE ## A ## _MASK_32 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
#define __GST_VIDEO_CAPS_MAKE_32(R, G, B) \
"video/x-raw-rgb, " \
"bpp = (int) 32, " \
"depth = (int) 24, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \
"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \
"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
#define __GST_VIDEO_CAPS_MAKE_24(R, G, B) \
"video/x-raw-rgb, " \
"bpp = (int) 24, " \
"depth = (int) 24, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_24 ", " \
"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_24 ", " \
"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_24 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
/* 24 bit */
#define GST_VIDEO_CAPS_RGB \
__GST_VIDEO_CAPS_MAKE_24 (1, 2, 3)
#define GST_VIDEO_CAPS_BGR \
__GST_VIDEO_CAPS_MAKE_24 (3, 2, 1)
/* 32 bit */
#define GST_VIDEO_CAPS_RGBx \
__GST_VIDEO_CAPS_MAKE_32 (1, 2, 3)
#define GST_VIDEO_CAPS_xRGB \
__GST_VIDEO_CAPS_MAKE_32 (2, 3, 4)
#define GST_VIDEO_CAPS_BGRx \
__GST_VIDEO_CAPS_MAKE_32 (3, 2, 1)
#define GST_VIDEO_CAPS_xBGR \
__GST_VIDEO_CAPS_MAKE_32 (4, 3, 2)
/* 32 bit alpha */
#define GST_VIDEO_CAPS_RGBA \
__GST_VIDEO_CAPS_MAKE_32A (1, 2, 3, 4)
#define GST_VIDEO_CAPS_ARGB \
__GST_VIDEO_CAPS_MAKE_32A (2, 3, 4, 1)
#define GST_VIDEO_CAPS_BGRA \
__GST_VIDEO_CAPS_MAKE_32A (3, 2, 1, 4)
#define GST_VIDEO_CAPS_ABGR \
__GST_VIDEO_CAPS_MAKE_32A (4, 3, 2, 1)
/* note: the macro name uses the order on BE systems */
#if G_BYTE_ORDER == G_BIG_ENDIAN
#define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
GST_VIDEO_CAPS_xRGB
#define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
GST_VIDEO_CAPS_BGRx
#else
#define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
GST_VIDEO_CAPS_BGRx
#define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
GST_VIDEO_CAPS_xRGB
#endif
/* 15/16 bit */
#define GST_VIDEO_CAPS_RGB_16 \
"video/x-raw-rgb, " \
"bpp = (int) 16, " \
"depth = (int) 16, " \
"endianness = (int) BYTE_ORDER, " \
"red_mask = (int) " GST_VIDEO_RED_MASK_16 ", " \
"green_mask = (int) " GST_VIDEO_GREEN_MASK_16 ", " \
"blue_mask = (int) " GST_VIDEO_BLUE_MASK_16 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
#define GST_VIDEO_CAPS_RGB_15 \
"video/x-raw-rgb, " \
"bpp = (int) 16, " \
"depth = (int) 15, " \
"endianness = (int) BYTE_ORDER, " \
"red_mask = (int) " GST_VIDEO_RED_MASK_15 ", " \
"green_mask = (int) " GST_VIDEO_GREEN_MASK_15 ", " \
"blue_mask = (int) " GST_VIDEO_BLUE_MASK_15 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
#define GST_VIDEO_CAPS_YUV(fourcc) \
"video/x-raw-yuv, " \
"format = (fourcc) " fourcc ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
/* functions */
const GValue *gst_video_frame_rate (GstPad *pad);
gboolean gst_video_get_size (GstPad *pad,
gint *width,
gint *height);
gboolean gst_video_calculate_display_ratio (guint *dar_n, guint *dar_d,
guint video_width, guint video_height,
guint video_par_n, guint video_par_d,
guint display_par_n, guint display_par_d);
G_END_DECLS
#endif /* __GST_VIDEO_H__ */