diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst-libs/gst/video/video.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_base/gst-libs/gst/video/video.h Thu Dec 17 08:53:32 2009 +0200 @@ -0,0 +1,349 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen + * Library <2002> Ronald Bultje + * + * 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 + +G_BEGIN_DECLS + +/** + * GstVideoFormat: + * @GST_VIDEO_FORMAT_UNKNOWN, + * @GST_VIDEO_FORMAT_I420: planar 4:2:0 YUV + * @GST_VIDEO_FORMAT_YV12: planar 4:2:0 YVU (like I420 but UV planes swapped) + * @GST_VIDEO_FORMAT_YUY2: packed 4:2:2 YUV (Y0-U0-Y1-V0 Y2-U2-Y3-V2 Y4 ...) + * @GST_VIDEO_FORMAT_UYVY: packed 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...) + * @GST_VIDEO_FORMAT_AYUV: packed 4:4:4 YUV with alpha channel (A0-Y0-U0-V0 ...) + * @GST_VIDEO_FORMAT_RGBx: + * @GST_VIDEO_FORMAT_BGRx: + * @GST_VIDEO_FORMAT_xRGB: + * @GST_VIDEO_FORMAT_xBGR: + * @GST_VIDEO_FORMAT_RGBA: + * @GST_VIDEO_FORMAT_BGRA: + * @GST_VIDEO_FORMAT_ARGB: + * @GST_VIDEO_FORMAT_ABGR: + * @GST_VIDEO_FORMAT_RGB: + * @GST_VIDEO_FORMAT_BGR: + * @GST_VIDEO_FORMAT_Y41B: planar 4:1:1 YUV (Since: 0.10.18) + * @GST_VIDEO_FORMAT_Y42B: planar 4:2:2 YUV (Since: 0.10.18) + * + * Enum value describing the most common video formats. + */ +typedef enum { + GST_VIDEO_FORMAT_UNKNOWN, + GST_VIDEO_FORMAT_I420, + GST_VIDEO_FORMAT_YV12, + GST_VIDEO_FORMAT_YUY2, + GST_VIDEO_FORMAT_UYVY, + GST_VIDEO_FORMAT_AYUV, + GST_VIDEO_FORMAT_RGBx, + GST_VIDEO_FORMAT_BGRx, + GST_VIDEO_FORMAT_xRGB, + GST_VIDEO_FORMAT_xBGR, + GST_VIDEO_FORMAT_RGBA, + GST_VIDEO_FORMAT_BGRA, + GST_VIDEO_FORMAT_ARGB, + GST_VIDEO_FORMAT_ABGR, + GST_VIDEO_FORMAT_RGB, + GST_VIDEO_FORMAT_BGR, + GST_VIDEO_FORMAT_Y41B, + GST_VIDEO_FORMAT_Y42B +} GstVideoFormat; + +#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 */ +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +const GValue *gst_video_frame_rate (GstPad *pad); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +gboolean gst_video_get_size (GstPad *pad, + gint *width, + gint *height); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + + +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); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + + +gboolean gst_video_format_parse_caps (GstCaps *caps, GstVideoFormat *format, + int *width, int *height); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +gboolean gst_video_parse_caps_framerate (GstCaps *caps, + int *fps_n, int *fps_d); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +gboolean gst_video_parse_caps_pixel_aspect_ratio (GstCaps *caps, + int *par_n, int *par_d); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +GstCaps * gst_video_format_new_caps (GstVideoFormat format, + int width, int height, int framerate_n, int framerate_d, + int par_n, int par_d); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +guint32 gst_video_format_to_fourcc (GstVideoFormat format); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +gboolean gst_video_format_is_rgb (GstVideoFormat format); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +gboolean gst_video_format_is_yuv (GstVideoFormat format); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +gboolean gst_video_format_has_alpha (GstVideoFormat format); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +int gst_video_format_get_row_stride (GstVideoFormat format, int component, + int width); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +int gst_video_format_get_pixel_stride (GstVideoFormat format, int component); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +int gst_video_format_get_component_width (GstVideoFormat format, int component, + int width); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +int gst_video_format_get_component_height (GstVideoFormat format, int component, + int height); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +int gst_video_format_get_component_offset (GstVideoFormat format, int component, + int width, int height); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +int gst_video_format_get_size (GstVideoFormat format, int width, int height); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +gboolean gst_video_format_convert (GstVideoFormat format, int width, int height, + int fps_n, int fps_d, + GstFormat src_format, gint64 src_value, + GstFormat dest_format, gint64 * dest_value); + + +G_END_DECLS + +#endif /* __GST_VIDEO_H__ */