/* 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 #include /** * GstVideoFormat: * @GST_VIDEO_FORMAT_UNKNOWN: Unknown or unset video format id * @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 /* buffer flags */ /** * GST_VIDEO_BUFFER_TFF: * If the @GstBuffer is interlaced, then the first field in the video frame is * the top field. If unset, the bottom field is first. * * Since: 0.10.23 */ #define GST_VIDEO_BUFFER_TFF GST_BUFFER_FLAG_MEDIA1 /** * GST_VIDEO_BUFFER_RFF: * If the @GstBuffer is interlaced, then the first field (as defined by the * @GST_VIDEO_BUFFER_TFF flag setting) is repeated. * * Since: 0.10.23 */ #define GST_VIDEO_BUFFER_RFF GST_BUFFER_FLAG_MEDIA2 /** * GST_VIDEO_BUFFER_ONEFIELD: * If the #GstBuffer is interlaced, the only the first field (as defined by the * @GST_VIDEO_BUFFER_TFF flag setting) is to be displayed. * * Since: 0.10.23 */ #define GST_VIDEO_BUFFER_ONEFIELD GST_BUFFER_FLAG_MEDIA3 /* 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); gboolean gst_video_format_parse_caps (GstCaps *caps, GstVideoFormat *format, int *width, int *height); gboolean gst_video_format_parse_caps_interlaced (GstCaps *caps, gboolean *interlaced); gboolean gst_video_parse_caps_framerate (GstCaps *caps, int *fps_n, int *fps_d); gboolean gst_video_parse_caps_pixel_aspect_ratio (GstCaps *caps, int *par_n, int *par_d); GstCaps * gst_video_format_new_caps (GstVideoFormat format, int width, int height, int framerate_n, int framerate_d, int par_n, int par_d); GstCaps * gst_video_format_new_caps_interlaced (GstVideoFormat format, int width, int height, int framerate_n, int framerate_d, int par_n, int par_d, gboolean interlaced); GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc); guint32 gst_video_format_to_fourcc (GstVideoFormat format); gboolean gst_video_format_is_rgb (GstVideoFormat format); gboolean gst_video_format_is_yuv (GstVideoFormat format); gboolean gst_video_format_has_alpha (GstVideoFormat format); int gst_video_format_get_row_stride (GstVideoFormat format, int component, int width); int gst_video_format_get_pixel_stride (GstVideoFormat format, int component); int gst_video_format_get_component_width (GstVideoFormat format, int component, int width); int gst_video_format_get_component_height (GstVideoFormat format, int component, int height); int gst_video_format_get_component_offset (GstVideoFormat format, int component, int width, int height); int gst_video_format_get_size (GstVideoFormat format, int width, int height); 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__ */