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34db0838be
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)
199 lines
8.1 KiB
C
199 lines
8.1 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Library <2002> Ronald Bultje <rbultje@ronald.bitfreak.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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_VIDEO_H__
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#define __GST_VIDEO_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_VIDEO_BYTE1_MASK_32 "0xFF000000"
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#define GST_VIDEO_BYTE2_MASK_32 "0x00FF0000"
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#define GST_VIDEO_BYTE3_MASK_32 "0x0000FF00"
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#define GST_VIDEO_BYTE4_MASK_32 "0x000000FF"
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#define GST_VIDEO_BYTE1_MASK_24 "0x00FF0000"
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#define GST_VIDEO_BYTE2_MASK_24 "0x0000FF00"
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#define GST_VIDEO_BYTE3_MASK_24 "0x000000FF"
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#define GST_VIDEO_BYTE1_MASK_32_INT 0xFF000000
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#define GST_VIDEO_BYTE2_MASK_32_INT 0x00FF0000
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#define GST_VIDEO_BYTE3_MASK_32_INT 0x0000FF00
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#define GST_VIDEO_BYTE4_MASK_32_INT 0x000000FF
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#define GST_VIDEO_BYTE1_MASK_24_INT 0x00FF0000
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#define GST_VIDEO_BYTE2_MASK_24_INT 0x0000FF00
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#define GST_VIDEO_BYTE3_MASK_24_INT 0x000000FF
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#define GST_VIDEO_RED_MASK_16 "0xf800"
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#define GST_VIDEO_GREEN_MASK_16 "0x07e0"
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#define GST_VIDEO_BLUE_MASK_16 "0x001f"
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#define GST_VIDEO_RED_MASK_15 "0x7c00"
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#define GST_VIDEO_GREEN_MASK_15 "0x03e0"
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#define GST_VIDEO_BLUE_MASK_15 "0x001f"
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#define GST_VIDEO_RED_MASK_16_INT 0xf800
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#define GST_VIDEO_GREEN_MASK_16_INT 0x07e0
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#define GST_VIDEO_BLUE_MASK_16_INT 0x001f
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#define GST_VIDEO_RED_MASK_15_INT 0x7c00
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#define GST_VIDEO_GREEN_MASK_15_INT 0x03e0
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#define GST_VIDEO_BLUE_MASK_15_INT 0x001f
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#define GST_VIDEO_SIZE_RANGE "(int) [ 1, max ]"
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#define GST_VIDEO_FPS_RANGE "(fraction) [ 0, max ]"
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/* consider the next 2 protected */
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#define __GST_VIDEO_CAPS_MAKE_32A(R, G, B, A) \
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"video/x-raw-rgb, " \
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"bpp = (int) 32, " \
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"depth = (int) 32, " \
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"endianness = (int) BIG_ENDIAN, " \
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"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \
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"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \
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"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \
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"alpha_mask = (int) " GST_VIDEO_BYTE ## A ## _MASK_32 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define __GST_VIDEO_CAPS_MAKE_32(R, G, B) \
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"video/x-raw-rgb, " \
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"bpp = (int) 32, " \
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"depth = (int) 24, " \
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"endianness = (int) BIG_ENDIAN, " \
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"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \
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"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \
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"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define __GST_VIDEO_CAPS_MAKE_24(R, G, B) \
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"video/x-raw-rgb, " \
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"bpp = (int) 24, " \
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"depth = (int) 24, " \
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"endianness = (int) BIG_ENDIAN, " \
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"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_24 ", " \
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"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_24 ", " \
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"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_24 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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/* 24 bit */
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#define GST_VIDEO_CAPS_RGB \
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__GST_VIDEO_CAPS_MAKE_24 (1, 2, 3)
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#define GST_VIDEO_CAPS_BGR \
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__GST_VIDEO_CAPS_MAKE_24 (3, 2, 1)
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/* 32 bit */
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#define GST_VIDEO_CAPS_RGBx \
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__GST_VIDEO_CAPS_MAKE_32 (1, 2, 3)
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#define GST_VIDEO_CAPS_xRGB \
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__GST_VIDEO_CAPS_MAKE_32 (2, 3, 4)
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#define GST_VIDEO_CAPS_BGRx \
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__GST_VIDEO_CAPS_MAKE_32 (3, 2, 1)
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#define GST_VIDEO_CAPS_xBGR \
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__GST_VIDEO_CAPS_MAKE_32 (4, 3, 2)
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/* 32 bit alpha */
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#define GST_VIDEO_CAPS_RGBA \
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__GST_VIDEO_CAPS_MAKE_32A (1, 2, 3, 4)
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#define GST_VIDEO_CAPS_ARGB \
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__GST_VIDEO_CAPS_MAKE_32A (2, 3, 4, 1)
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#define GST_VIDEO_CAPS_BGRA \
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__GST_VIDEO_CAPS_MAKE_32A (3, 2, 1, 4)
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#define GST_VIDEO_CAPS_ABGR \
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__GST_VIDEO_CAPS_MAKE_32A (4, 3, 2, 1)
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/* note: the macro name uses the order on BE systems */
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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#define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
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GST_VIDEO_CAPS_xRGB
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#define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
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GST_VIDEO_CAPS_BGRx
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#else
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#define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
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GST_VIDEO_CAPS_BGRx
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#define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
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GST_VIDEO_CAPS_xRGB
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#endif
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/* 15/16 bit */
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#define GST_VIDEO_CAPS_RGB_16 \
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"video/x-raw-rgb, " \
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"bpp = (int) 16, " \
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"depth = (int) 16, " \
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"endianness = (int) BYTE_ORDER, " \
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"red_mask = (int) " GST_VIDEO_RED_MASK_16 ", " \
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"green_mask = (int) " GST_VIDEO_GREEN_MASK_16 ", " \
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"blue_mask = (int) " GST_VIDEO_BLUE_MASK_16 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define GST_VIDEO_CAPS_RGB_15 \
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"video/x-raw-rgb, " \
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"bpp = (int) 16, " \
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"depth = (int) 15, " \
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"endianness = (int) BYTE_ORDER, " \
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"red_mask = (int) " GST_VIDEO_RED_MASK_15 ", " \
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"green_mask = (int) " GST_VIDEO_GREEN_MASK_15 ", " \
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"blue_mask = (int) " GST_VIDEO_BLUE_MASK_15 ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define GST_VIDEO_CAPS_YUV(fourcc) \
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"video/x-raw-yuv, " \
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"format = (fourcc) " fourcc ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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/* functions */
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const GValue *gst_video_frame_rate (GstPad *pad);
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gboolean gst_video_get_size (GstPad *pad,
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gint *width,
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gint *height);
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gboolean gst_video_calculate_display_ratio (guint *dar_n, guint *dar_d,
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guint video_width, guint video_height,
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guint video_par_n, guint video_par_d,
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guint display_par_n, guint display_par_d);
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G_END_DECLS
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#endif /* __GST_VIDEO_H__ */
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