/* 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: sparse rgb packed into 32 bit, space last * @GST_VIDEO_FORMAT_BGRx: sparse reverse rgb packed into 32 bit, space last * @GST_VIDEO_FORMAT_xRGB: sparse rgb packed into 32 bit, space first * @GST_VIDEO_FORMAT_xBGR: sparse reverse rgb packed into 32 bit, space first * @GST_VIDEO_FORMAT_RGBA: rgb with alpha channel last * @GST_VIDEO_FORMAT_BGRA: reverse rgb with alpha channel last * @GST_VIDEO_FORMAT_ARGB: rgb with alpha channel first * @GST_VIDEO_FORMAT_ABGR: reverse rgb with alpha channel first * @GST_VIDEO_FORMAT_RGB: rgb * @GST_VIDEO_FORMAT_BGR: reverse rgb * @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) * @GST_VIDEO_FORMAT_YVYU: packed 4:2:2 YUV (Y0-V0-Y1-U0 Y2-V2-Y3-U2 Y4 ...) (Since: 0.10.23) * @GST_VIDEO_FORMAT_Y444: planar 4:4:4 YUV (Since: 0.10.24) * @GST_VIDEO_FORMAT_v210: packed 4:2:2 10-bit YUV, complex format (Since: 0.10.24) * @GST_VIDEO_FORMAT_v216: packed 4:2:2 16-bit YUV, Y0-U0-Y1-V1 order (Since: 0.10.24) * @GST_VIDEO_FORMAT_NV12: planar 4:2:0 YUV with interleaved UV plane (Since: 0.10.26) * @GST_VIDEO_FORMAT_NV21: planar 4:2:0 YUV with interleaved VU plane (Since: 0.10.26) * @GST_VIDEO_FORMAT_GRAY8: 8-bit grayscale (Since: 0.10.29) * @GST_VIDEO_FORMAT_GRAY16_BE: 16-bit grayscale, most significant byte first (Since: 0.10.29) * @GST_VIDEO_FORMAT_GRAY16_LE: 16-bit grayscale, least significant byte first (Since: 0.10.29) * @GST_VIDEO_FORMAT_v308: packed 4:4:4 YUV (Since: 0.10.29) * @GST_VIDEO_FORMAT_Y800: same as GST_VIDEO_FORMAT_GRAY8 (Since: 0.10.30) * @GST_VIDEO_FORMAT_Y16: same as GST_VIDEO_FORMAT_GRAY16_LE (Since: 0.10.30) * @GST_VIDEO_FORMAT_RGB16: rgb 5-6-5 bits per component (Since: 0.10.30) * @GST_VIDEO_FORMAT_BGR16: reverse rgb 5-6-5 bits per component (Since: 0.10.30) * @GST_VIDEO_FORMAT_RGB15: rgb 5-5-5 bits per component (Since: 0.10.30) * @GST_VIDEO_FORMAT_BGR15: reverse rgb 5-5-5 bits per component (Since: 0.10.30) * @GST_VIDEO_FORMAT_UYVP: packed 10-bit 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...) (Since: 0.10.31) * @GST_VIDEO_FORMAT_A420: planar 4:4:2:0 AYUV (Since: 0.10.31) * @GST_VIDEO_FORMAT_RGB8_PALETTED: 8-bit paletted RGB (Since: 0.10.32) * @GST_VIDEO_FORMAT_YUV9: planar 4:1:0 YUV (Since: 0.10.32) * @GST_VIDEO_FORMAT_YVU9: planar 4:1:0 YUV (like YUV9 but UV planes swapped) (Since: 0.10.32) * @GST_VIDEO_FORMAT_IYU1: packed 4:1:1 YUV (Cb-Y0-Y1-Cr-Y2-Y3 ...) (Since: 0.10.32) * @GST_VIDEO_FORMAT_ARGB64: rgb with alpha channel first, 16 bits per channel (Since: 0.10.33) * @GST_VIDEO_FORMAT_AYUV64: packed 4:4:4 YUV with alpha channel, 16 bits per channel (A0-Y0-U0-V0 ...) (Since: 0.10.33) * @GST_VIDEO_FORMAT_r210: packed 4:4:4 RGB, 10 bits per channel (Since: 0.10.33) * * 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, GST_VIDEO_FORMAT_YVYU, GST_VIDEO_FORMAT_Y444, GST_VIDEO_FORMAT_v210, GST_VIDEO_FORMAT_v216, GST_VIDEO_FORMAT_NV12, GST_VIDEO_FORMAT_NV21, GST_VIDEO_FORMAT_GRAY8, GST_VIDEO_FORMAT_GRAY16_BE, GST_VIDEO_FORMAT_GRAY16_LE, GST_VIDEO_FORMAT_v308, GST_VIDEO_FORMAT_Y800, GST_VIDEO_FORMAT_Y16, GST_VIDEO_FORMAT_RGB16, GST_VIDEO_FORMAT_BGR16, GST_VIDEO_FORMAT_RGB15, GST_VIDEO_FORMAT_BGR15, GST_VIDEO_FORMAT_UYVP, GST_VIDEO_FORMAT_A420, GST_VIDEO_FORMAT_RGB8_PALETTED, GST_VIDEO_FORMAT_YUV9, GST_VIDEO_FORMAT_YVU9, GST_VIDEO_FORMAT_IYU1, GST_VIDEO_FORMAT_ARGB64, GST_VIDEO_FORMAT_AYUV64, GST_VIDEO_FORMAT_r210 } GstVideoFormat; /* format properties */ GstVideoFormat gst_video_format_from_masks (gint depth, gint bpp, gint endianness, gint red_mask, gint green_mask, gint blue_mask, gint alpha_mask) G_GNUC_CONST; GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc) G_GNUC_CONST; GstVideoFormat gst_video_format_from_string (const gchar *format) G_GNUC_CONST; guint32 gst_video_format_to_fourcc (GstVideoFormat format) G_GNUC_CONST; const gchar * gst_video_format_to_string (GstVideoFormat format) G_GNUC_CONST; gboolean gst_video_format_is_rgb (GstVideoFormat format) G_GNUC_CONST; gboolean gst_video_format_is_yuv (GstVideoFormat format) G_GNUC_CONST; gboolean gst_video_format_is_gray (GstVideoFormat format) G_GNUC_CONST; gboolean gst_video_format_has_alpha (GstVideoFormat format) G_GNUC_CONST; int gst_video_format_get_n_components (GstVideoFormat format) G_GNUC_CONST; int gst_video_format_get_component_depth (GstVideoFormat format, int component) G_GNUC_CONST; int gst_video_format_get_pixel_stride (GstVideoFormat format, int component) G_GNUC_CONST; typedef struct _GstVideoPlane GstVideoPlane; typedef struct _GstVideoInfo GstVideoInfo; /** * GstVideoFlags: * @GST_META_VIDEO_FLAG_NONE: no flags * @GST_META_VIDEO_FLAG_INTERLACED: * @GST_META_VIDEO_FLAG_TTF: * @GST_META_VIDEO_FLAG_RFF: * @GST_META_VIDEO_FLAG_ONEFIELD: * @GST_META_VIDEO_FLAG_TELECINE: * @GST_META_VIDEO_FLAG_PROGRESSIVE: * * Extra video flags */ typedef enum { GST_VIDEO_FLAG_NONE = 0, GST_VIDEO_FLAG_INTERLACED = (1 << 0), GST_VIDEO_FLAG_TTF = (1 << 1), GST_VIDEO_FLAG_RFF = (1 << 2), GST_VIDEO_FLAG_ONEFIELD = (1 << 3), GST_VIDEO_FLAG_TELECINE = (1 << 4), GST_VIDEO_FLAG_PROGRESSIVE = (1 << 5) } GstVideoFlags; #define GST_VIDEO_MAX_PLANES 4 /** * GstVideoPlane: * @offset: offset of the first pixel in the buffer memory region * @stride: stride of the image lines. Can be negative when the image is * upside-down * * Information for one video plane. */ struct _GstVideoPlane { gsize offset; gint stride; }; /** * GstVideoInfo: * @flags: additional video flags * @format: the format of the video * @width: the width of the video * @height: the height of the video * @size: the size of one frame * @color_matrix: the color matrix. Possible values are * "sdtv" for the standard definition color matrix (as specified in * Rec. ITU-R BT.470-6) or "hdtv" for the high definition color * matrix (as specified in Rec. ITU-R BT.709) * @chroma_site: the chroma siting. Possible values are * "mpeg2" for MPEG-2 style chroma siting (co-sited horizontally, * halfway-sited vertically), "jpeg" for JPEG and Theora style * chroma siting (halfway-sited both horizontally and vertically). * Other chroma site values are possible, but uncommon. * @par_n: the pixel-aspect-ratio numerator * @par_d: the pixel-aspect-ratio demnominator * @fps_n: the framerate numerator * @fps_d: the framerate demnominator * @n_planes: the number of planes in the image * @plane: array of #GstMetaVideoPlane * * Extra buffer metadata describing image properties */ struct _GstVideoInfo { GstVideoFormat format; GstVideoFlags flags; guint width; guint height; guint size; const gchar *color_matrix; const gchar *chroma_site; GstBuffer *palette; guint par_n; guint par_d; guint fps_n; guint fps_d; guint n_planes; GstVideoPlane plane[GST_VIDEO_MAX_PLANES]; }; void gst_video_info_init (GstVideoInfo *info); void gst_video_info_set_format (GstVideoInfo *info, GstVideoFormat format, guint width, guint height); gboolean gst_video_info_from_caps (GstVideoInfo *info, const GstCaps * caps); GstCaps * gst_video_info_to_caps (GstVideoInfo *info); gboolean gst_video_info_convert (GstVideoInfo *info, GstFormat src_format, gint64 src_value, GstFormat dest_format, gint64 *dest_value); #define GST_VIDEO_SIZE_RANGE "(int) [ 1, max ]" #define GST_VIDEO_FPS_RANGE "(fraction) [ 0, max ]" #define GST_VIDEO_FORMATS_ALL "{ \"I420\"," "\"YV12\"," "\"YUY2\"," "\"UYVY\"," "\"AYUV\"," "\"RGBx\"," \ "\"BGRx\"," "\"xRGB\"," "\"xBGR\"," "\"RGBA\"," "\"BGRA\"," "\"ARGB\"," "\"ABGR\"," "\"RGB\"," \ "\"BGR\"," "\"Y41B\"," "\"Y42B\"," "\"YVYU\"," "\"Y444\"," "\"v210\"," "\"v216\"," "\"NV12\"," \ "\"NV21\"," "\"GRAY8\"," "\"GRAY16_BE\"," "\"GRAY16_LE\"," "\"v308\"," "\"Y800\"," "\"Y16\"," \ "\"RGB16\"," "\"BGR16\"," "\"RGB15\"," "\"BGR15\"," "\"UYVP\"," "\"A420\"," "\"RGB8_PALETTED\"," \ "\"YUV9\"," "\"YVU9\"," "\"IYU1\"," "\"ARGB64\"," "\"AYUV64\"," "\"r210\" } " /** * GST_VIDEO_CAPS_MAKE: * @format: string format that describes the pixel layout, as string * (e.g. "I420", "RGB", "YV12", "YUY2", "AYUV", etc.) * * Generic caps string for video, for use in pad templates. */ #define GST_VIDEO_CAPS_MAKE(format) \ "video/x-raw, " \ "format = (string) " format ", " \ "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, then 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 /** * GST_VIDEO_BUFFER_PROGRESSIVE: * * If the #GstBuffer is telecined, then the buffer is progressive if the * %GST_VIDEO_BUFFER_PROGRESSIVE flag is set, else it is telecine mixed. * * Since: 0.10.33 */ #define GST_VIDEO_BUFFER_PROGRESSIVE GST_BUFFER_FLAG_MEDIA4 /* functions */ 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_parse_caps_framerate (GstCaps * caps, int *fps_n, int *fps_d); GstBuffer * gst_video_parse_caps_palette (GstCaps * caps); #if 0 int gst_video_format_get_component_width (GstVideoFormat format, int component, int width) G_GNUC_CONST; int gst_video_format_get_component_height (GstVideoFormat format, int component, int height) G_GNUC_CONST; int gst_video_format_get_component_offset (GstVideoFormat format, int component, int width, int height) G_GNUC_CONST; int gst_video_format_get_size (GstVideoFormat format, int width, int height) G_GNUC_CONST; gboolean gst_video_get_size_from_caps (const GstCaps * caps, gint * size); #endif /* video still frame event creation and parsing */ GstEvent * gst_video_event_new_still_frame (gboolean in_still); gboolean gst_video_event_parse_still_frame (GstEvent * event, gboolean * in_still); /* convert/encode video frame from one format to another */ typedef void (*GstVideoConvertFrameCallback) (GstBuffer * buf, GError *error, gpointer user_data); void gst_video_convert_frame_async (GstBuffer * buf, GstCaps * from_caps, const GstCaps * to_caps, GstClockTime timeout, GstVideoConvertFrameCallback callback, gpointer user_data, GDestroyNotify destroy_notify); GstBuffer * gst_video_convert_frame (GstBuffer * buf, GstCaps * from_caps, const GstCaps * to_caps, GstClockTime timeout, GError ** error); G_END_DECLS #endif /* __GST_VIDEO_H__ */