2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3 * Library <2002> Ronald Bultje <rbultje@ronald.bitfreak.net>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
21 #ifndef __GST_VIDEO_H__
22 #define __GST_VIDEO_H__
28 #include <gst/video/video-enumtypes.h>
32 * @GST_VIDEO_FORMAT_UNKNOWN: Unknown or unset video format id
33 * @GST_VIDEO_FORMAT_I420: planar 4:2:0 YUV
34 * @GST_VIDEO_FORMAT_YV12: planar 4:2:0 YVU (like I420 but UV planes swapped)
35 * @GST_VIDEO_FORMAT_YUY2: packed 4:2:2 YUV (Y0-U0-Y1-V0 Y2-U2-Y3-V2 Y4 ...)
36 * @GST_VIDEO_FORMAT_UYVY: packed 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...)
37 * @GST_VIDEO_FORMAT_AYUV: packed 4:4:4 YUV with alpha channel (A0-Y0-U0-V0 ...)
38 * @GST_VIDEO_FORMAT_RGBx: sparse rgb packed into 32 bit, space last
39 * @GST_VIDEO_FORMAT_BGRx: sparse reverse rgb packed into 32 bit, space last
40 * @GST_VIDEO_FORMAT_xRGB: sparse rgb packed into 32 bit, space first
41 * @GST_VIDEO_FORMAT_xBGR: sparse reverse rgb packed into 32 bit, space first
42 * @GST_VIDEO_FORMAT_RGBA: rgb with alpha channel last
43 * @GST_VIDEO_FORMAT_BGRA: reverse rgb with alpha channel last
44 * @GST_VIDEO_FORMAT_ARGB: rgb with alpha channel first
45 * @GST_VIDEO_FORMAT_ABGR: reverse rgb with alpha channel first
46 * @GST_VIDEO_FORMAT_RGB: rgb
47 * @GST_VIDEO_FORMAT_BGR: reverse rgb
48 * @GST_VIDEO_FORMAT_Y41B: planar 4:1:1 YUV (Since: 0.10.18)
49 * @GST_VIDEO_FORMAT_Y42B: planar 4:2:2 YUV (Since: 0.10.18)
50 * @GST_VIDEO_FORMAT_YVYU: packed 4:2:2 YUV (Y0-V0-Y1-U0 Y2-V2-Y3-U2 Y4 ...) (Since: 0.10.23)
51 * @GST_VIDEO_FORMAT_Y444: planar 4:4:4 YUV (Since: 0.10.24)
52 * @GST_VIDEO_FORMAT_v210: packed 4:2:2 10-bit YUV, complex format (Since: 0.10.24)
53 * @GST_VIDEO_FORMAT_v216: packed 4:2:2 16-bit YUV, Y0-U0-Y1-V1 order (Since: 0.10.24)
54 * @GST_VIDEO_FORMAT_NV12: planar 4:2:0 YUV with interleaved UV plane (Since: 0.10.26)
55 * @GST_VIDEO_FORMAT_NV21: planar 4:2:0 YUV with interleaved VU plane (Since: 0.10.26)
56 * @GST_VIDEO_FORMAT_GRAY8: 8-bit grayscale (Since: 0.10.29)
57 * @GST_VIDEO_FORMAT_GRAY16_BE: 16-bit grayscale, most significant byte first (Since: 0.10.29)
58 * @GST_VIDEO_FORMAT_GRAY16_LE: 16-bit grayscale, least significant byte first (Since: 0.10.29)
59 * @GST_VIDEO_FORMAT_v308: packed 4:4:4 YUV (Since: 0.10.29)
60 * @GST_VIDEO_FORMAT_Y800: same as GST_VIDEO_FORMAT_GRAY8 (Since: 0.10.30)
61 * @GST_VIDEO_FORMAT_Y16: same as GST_VIDEO_FORMAT_GRAY16_LE (Since: 0.10.30)
62 * @GST_VIDEO_FORMAT_RGB16: rgb 5-6-5 bits per component (Since: 0.10.30)
63 * @GST_VIDEO_FORMAT_BGR16: reverse rgb 5-6-5 bits per component (Since: 0.10.30)
64 * @GST_VIDEO_FORMAT_RGB15: rgb 5-5-5 bits per component (Since: 0.10.30)
65 * @GST_VIDEO_FORMAT_BGR15: reverse rgb 5-5-5 bits per component (Since: 0.10.30)
66 * @GST_VIDEO_FORMAT_UYVP: packed 10-bit 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...) (Since: 0.10.31)
67 * @GST_VIDEO_FORMAT_A420: planar 4:4:2:0 AYUV (Since: 0.10.31)
68 * @GST_VIDEO_FORMAT_RGB8_PALETTED: 8-bit paletted RGB (Since: 0.10.32)
69 * @GST_VIDEO_FORMAT_YUV9: planar 4:1:0 YUV (Since: 0.10.32)
70 * @GST_VIDEO_FORMAT_YVU9: planar 4:1:0 YUV (like YUV9 but UV planes swapped) (Since: 0.10.32)
71 * @GST_VIDEO_FORMAT_IYU1: packed 4:1:1 YUV (Cb-Y0-Y1-Cr-Y2-Y3 ...) (Since: 0.10.32)
72 * @GST_VIDEO_FORMAT_ARGB64: rgb with alpha channel first, 16 bits per channel (Since: 0.10.33)
73 * @GST_VIDEO_FORMAT_AYUV64: packed 4:4:4 YUV with alpha channel, 16 bits per channel (A0-Y0-U0-V0 ...) (Since: 0.10.33)
74 * @GST_VIDEO_FORMAT_r210: packed 4:4:4 RGB, 10 bits per channel (Since: 0.10.33)
76 * Enum value describing the most common video formats.
79 GST_VIDEO_FORMAT_UNKNOWN,
80 GST_VIDEO_FORMAT_I420,
81 GST_VIDEO_FORMAT_YV12,
82 GST_VIDEO_FORMAT_YUY2,
83 GST_VIDEO_FORMAT_UYVY,
84 GST_VIDEO_FORMAT_AYUV,
85 GST_VIDEO_FORMAT_RGBx,
86 GST_VIDEO_FORMAT_BGRx,
87 GST_VIDEO_FORMAT_xRGB,
88 GST_VIDEO_FORMAT_xBGR,
89 GST_VIDEO_FORMAT_RGBA,
90 GST_VIDEO_FORMAT_BGRA,
91 GST_VIDEO_FORMAT_ARGB,
92 GST_VIDEO_FORMAT_ABGR,
95 GST_VIDEO_FORMAT_Y41B,
96 GST_VIDEO_FORMAT_Y42B,
97 GST_VIDEO_FORMAT_YVYU,
98 GST_VIDEO_FORMAT_Y444,
99 GST_VIDEO_FORMAT_v210,
100 GST_VIDEO_FORMAT_v216,
101 GST_VIDEO_FORMAT_NV12,
102 GST_VIDEO_FORMAT_NV21,
103 GST_VIDEO_FORMAT_GRAY8,
104 GST_VIDEO_FORMAT_GRAY16_BE,
105 GST_VIDEO_FORMAT_GRAY16_LE,
106 GST_VIDEO_FORMAT_v308,
107 GST_VIDEO_FORMAT_Y800,
108 GST_VIDEO_FORMAT_Y16,
109 GST_VIDEO_FORMAT_RGB16,
110 GST_VIDEO_FORMAT_BGR16,
111 GST_VIDEO_FORMAT_RGB15,
112 GST_VIDEO_FORMAT_BGR15,
113 GST_VIDEO_FORMAT_UYVP,
114 GST_VIDEO_FORMAT_A420,
115 GST_VIDEO_FORMAT_RGB8_PALETTED,
116 GST_VIDEO_FORMAT_YUV9,
117 GST_VIDEO_FORMAT_YVU9,
118 GST_VIDEO_FORMAT_IYU1,
119 GST_VIDEO_FORMAT_ARGB64,
120 GST_VIDEO_FORMAT_AYUV64,
121 GST_VIDEO_FORMAT_r210
124 #define GST_VIDEO_MAX_PLANES 4
125 #define GST_VIDEO_MAX_COMPONENTS 4
127 typedef struct _GstVideoFormatInfo GstVideoFormatInfo;
130 * GstVideoFormatFlags:
131 * @GST_VIDEO_FORMAT_FLAG_YUV: The video format is YUV, components are numbered
133 * @GST_VIDEO_FORMAT_FLAG_RGB: The video format is RGB, components are numbered
135 * @GST_VIDEO_FORMAT_FLAG_GRAY: The video is gray, there is one gray component
137 * @GST_VIDEO_FORMAT_FLAG_ALPHA: The video format has an alpha components with
139 * @GST_VIDEO_FORMAT_FLAG_LE: The video format has data stored in little
141 * @GST_VIDEO_FORMAT_FLAG_PALETTE: The video format has a palette.
142 * @GST_VIDEO_FORMAT_FLAG_COMPLEX: The video format has a complex layout that
143 * can't be described with the usual information in the #GstVideoFormatInfo.
145 * The different video flags that a format info can have.
149 GST_VIDEO_FORMAT_FLAG_YUV = (1 << 0),
150 GST_VIDEO_FORMAT_FLAG_RGB = (1 << 1),
151 GST_VIDEO_FORMAT_FLAG_GRAY = (1 << 2),
152 GST_VIDEO_FORMAT_FLAG_ALPHA = (1 << 3),
153 GST_VIDEO_FORMAT_FLAG_LE = (1 << 4),
154 GST_VIDEO_FORMAT_FLAG_PALETTE = (1 << 5),
155 GST_VIDEO_FORMAT_FLAG_COMPLEX = (1 << 6)
156 } GstVideoFormatFlags;
158 #define GST_VIDEO_COMP_Y 0
159 #define GST_VIDEO_COMP_U 1
160 #define GST_VIDEO_COMP_V 2
162 #define GST_VIDEO_COMP_R 0
163 #define GST_VIDEO_COMP_G 1
164 #define GST_VIDEO_COMP_B 2
166 #define GST_VIDEO_COMP_A 3
169 * GstVideoFormatUnpack:
170 * @info: a #GstVideoFormatInfo
171 * @dest: a destination array
172 * @data: pointers to the data planes
173 * @stride: strides of the planes
174 * @x: the x position in the image to start from
175 * @y: the y position in the image to start from
176 * @width: the amount of pixels to unpack.
178 * Unpacks @width pixels from the given planes and strides containing data of
179 * format @info. The pixels will be unpacked into @dest which each component
180 * interleaved. @dest should at least be big enough to hold @width *
181 * n_components * unpack_size bytes.
183 typedef void (*GstVideoFormatUnpack) (GstVideoFormatInfo *info, gpointer dest,
184 const gpointer data[GST_VIDEO_MAX_PLANES],
185 const gint stride[GST_VIDEO_MAX_PLANES],
186 gint x, gint y, gint width);
188 * GstVideoFormatPack:
189 * @info: a #GstVideoFormatInfo
190 * @src: a source array
191 * @data: pointers to the destination data planes
192 * @stride: strides of the destination planes
193 * @x: the x position in the image to pack to
194 * @y: the y position in the image to pack to
195 * @width: the amount of pixels to pack.
197 * Packs @width pixels from @src to the given planes and strides in the
198 * format @info. The pixels from source have each component interleaved
199 * and will be packed into @src.
201 typedef void (*GstVideoFormatPack) (GstVideoFormatInfo *info, const gpointer src,
202 gpointer data[GST_VIDEO_MAX_PLANES],
203 const gint stride[GST_VIDEO_MAX_PLANES],
204 gint x, gint y, gint width);
207 * GstVideoFormatInfo:
208 * @format: #GstVideoFormat
209 * @name: string representation of the format
210 * @flags: #GstVideoFormatFlags
211 * @bits: The number of bits used to pack data items. This can be 8 when the
212 * pixels are stored in bytes. for values > 8 multiple bytes should be read
213 * according to the endianness flag before applying the shift and mask.
214 * @n_components: the number of components in the video format.
215 * @shift: the number of bits to shift away to get the component data
216 * @depth: the depth in bits for each component
217 * @pixel_stride: the pixel stride of each component. This is the amount of
218 * bytes to the pixel immediately to the right. When bits < 8, the stride is
220 * @n_planes: the number of planes for this format. The number of planes can be
221 * less than the amount of components when multiple components are packed into
223 * @plane: the plane number where a component can be found
224 * @offset: the offset in the plane where the first pixel of the components
225 * can be found. If bits < 8 the amount is specified in bits.
226 * @w_sub: subsampling factor of the width for the component. Use
227 * GST_VIDEO_SUB_SCALE to scale a width.
228 * @h_sub: subsampling factor of the height for the component. Use
229 * GST_VIDEO_SUB_SCALE to scale a height.
230 * @unpack_size: the size in bytes of each component item in the unpacked
232 * @unpack_func: an unpack function for this format
233 * @pack_func: an pack function for this format
235 * Information for a video format.
237 struct _GstVideoFormatInfo {
238 GstVideoFormat format;
240 GstVideoFormatFlags flags;
243 guint shift[GST_VIDEO_MAX_COMPONENTS];
244 guint depth[GST_VIDEO_MAX_COMPONENTS];
245 gint pixel_stride[GST_VIDEO_MAX_COMPONENTS];
247 guint plane[GST_VIDEO_MAX_COMPONENTS];
248 guint offset[GST_VIDEO_MAX_COMPONENTS];
249 guint w_sub[GST_VIDEO_MAX_COMPONENTS];
250 guint h_sub[GST_VIDEO_MAX_COMPONENTS];
253 GstVideoFormatUnpack unpack_func;
254 GstVideoFormatPack pack_func;
257 #define GST_VIDEO_FORMAT_INFO_FORMAT(info) ((info)->format)
258 #define GST_VIDEO_FORMAT_INFO_NAME(info) ((info)->name)
259 #define GST_VIDEO_FORMAT_INFO_FLAGS(info) ((info)->flags)
261 #define GST_VIDEO_FORMAT_INFO_IS_YUV(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_YUV)
262 #define GST_VIDEO_FORMAT_INFO_IS_RGB(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_RGB)
263 #define GST_VIDEO_FORMAT_INFO_IS_GRAY(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_GRAY)
264 #define GST_VIDEO_FORMAT_INFO_HAS_ALPHA(info) ((info)->flags & GST_VIDEO_FORMAT_FLAG_ALPHA)
266 #define GST_VIDEO_FORMAT_INFO_N_COMPONENTS(info) ((info)->n_components)
267 #define GST_VIDEO_FORMAT_INFO_DEPTH(info,c) ((info)->depth[c])
268 #define GST_VIDEO_FORMAT_INFO_PSTRIDE(info,c) ((info)->pixel_stride[c])
269 #define GST_VIDEO_FORMAT_INFO_N_PLANES(info) ((info)->n_planes)
270 #define GST_VIDEO_FORMAT_INFO_PLANE(info,c) ((info)->plane[c])
271 #define GST_VIDEO_FORMAT_INFO_OFFSET(info,c) ((info)->offset[c])
272 #define GST_VIDEO_FORMAT_INFO_W_SUB(info,c) ((info)->w_sub[c])
273 #define GST_VIDEO_FORMAT_INFO_H_SUB(info,c) ((info)->h_sub[c])
275 #define GST_VIDEO_SUB_SCALE(scale,val) (-((-((gint)val))>>(scale)))
277 #define GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info,c,w) GST_VIDEO_SUB_SCALE ((info)->w_sub[(c)],(w))
278 #define GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info,c,h) GST_VIDEO_SUB_SCALE ((info)->h_sub[(c)],(h))
280 #define GST_VIDEO_FORMAT_INFO_DATA(info,planes,comp) \
281 (((guint8*)(planes)[info->plane[comp]]) + info->offset[comp])
282 #define GST_VIDEO_FORMAT_INFO_STRIDE(info,strides,comp) ((strides)[info->plane[comp]])
284 /* format properties */
285 GstVideoFormat gst_video_format_from_masks (gint depth, gint bpp, gint endianness,
286 gint red_mask, gint green_mask,
287 gint blue_mask, gint alpha_mask) G_GNUC_CONST;
289 GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc) G_GNUC_CONST;
290 GstVideoFormat gst_video_format_from_string (const gchar *format) G_GNUC_CONST;
292 guint32 gst_video_format_to_fourcc (GstVideoFormat format) G_GNUC_CONST;
293 const gchar * gst_video_format_to_string (GstVideoFormat format) G_GNUC_CONST;
295 const GstVideoFormatInfo *
296 gst_video_format_get_info (GstVideoFormat format) G_GNUC_CONST;
298 typedef struct _GstVideoInfo GstVideoInfo;
299 typedef struct _GstVideoFrame GstVideoFrame;
303 * @GST_META_VIDEO_FLAG_NONE: no flags
304 * @GST_META_VIDEO_FLAG_INTERLACED:
305 * @GST_META_VIDEO_FLAG_TTF:
306 * @GST_META_VIDEO_FLAG_RFF:
307 * @GST_META_VIDEO_FLAG_ONEFIELD:
308 * @GST_META_VIDEO_FLAG_TELECINE:
309 * @GST_META_VIDEO_FLAG_PROGRESSIVE:
314 GST_VIDEO_FLAG_NONE = 0,
315 GST_VIDEO_FLAG_INTERLACED = (1 << 0),
316 GST_VIDEO_FLAG_TTF = (1 << 1),
317 GST_VIDEO_FLAG_RFF = (1 << 2),
318 GST_VIDEO_FLAG_ONEFIELD = (1 << 3),
319 GST_VIDEO_FLAG_TELECINE = (1 << 4),
320 GST_VIDEO_FLAG_PROGRESSIVE = (1 << 5)
325 * @finfo: the format info of the video
326 * @flags: additional video flags
327 * @width: the width of the video
328 * @height: the height of the video
329 * @size: the default size of one frame
330 * @color_matrix: the color matrix. Possible values are
331 * "sdtv" for the standard definition color matrix (as specified in
332 * Rec. ITU-R BT.470-6) or "hdtv" for the high definition color
333 * matrix (as specified in Rec. ITU-R BT.709)
334 * @chroma_site: the chroma siting. Possible values are
335 * "mpeg2" for MPEG-2 style chroma siting (co-sited horizontally,
336 * halfway-sited vertically), "jpeg" for JPEG and Theora style
337 * chroma siting (halfway-sited both horizontally and vertically).
338 * Other chroma site values are possible, but uncommon.
339 * @palette: a buffer with palette data
340 * @par_n: the pixel-aspect-ratio numerator
341 * @par_d: the pixel-aspect-ratio demnominator
342 * @fps_n: the framerate numerator
343 * @fps_d: the framerate demnominator
344 * @offset: offsets of the planes
345 * @stride: strides of the planes
347 * Information describing image properties. This information can be filled
348 * in from GstCaps with gst_video_info_from_caps(). The information is also used
349 * to store the specific video info when mapping a video frame with
350 * gst_video_frame_map().
352 * Use the provided macros to access the info in this structure.
354 struct _GstVideoInfo {
355 const GstVideoFormatInfo *finfo;
361 const gchar *color_matrix;
362 const gchar *chroma_site;
370 gsize offset[GST_VIDEO_MAX_PLANES];
371 gint stride[GST_VIDEO_MAX_PLANES];
375 #define GST_VIDEO_INFO_FORMAT(i) (GST_VIDEO_FORMAT_INFO_FORMAT((i)->finfo))
376 #define GST_VIDEO_INFO_NAME(i) (GST_VIDEO_FORMAT_INFO_NAME((i)->finfo))
377 #define GST_VIDEO_INFO_IS_YUV(i) (GST_VIDEO_FORMAT_INFO_IS_YUV((i)->finfo))
378 #define GST_VIDEO_INFO_IS_RGB(i) (GST_VIDEO_FORMAT_INFO_IS_RGB((i)->finfo))
379 #define GST_VIDEO_INFO_IS_GRAY(i) (GST_VIDEO_FORMAT_INFO_IS_GRAY((i)->finfo))
380 #define GST_VIDEO_INFO_HAS_ALPHA(i) (GST_VIDEO_FORMAT_INFO_HAS_ALPHA((i)->finfo))
382 #define GST_VIDEO_INFO_FLAGS(i) ((i)->flags)
383 #define GST_VIDEO_INFO_WIDTH(i) ((i)->width)
384 #define GST_VIDEO_INFO_HEIGHT(i) ((i)->height)
385 #define GST_VIDEO_INFO_SIZE(i) ((i)->size)
386 #define GST_VIDEO_INFO_PAR_N(i) ((i)->par_n)
387 #define GST_VIDEO_INFO_PAR_D(i) ((i)->par_d)
388 #define GST_VIDEO_INFO_FPS_N(i) ((i)->fps_n)
389 #define GST_VIDEO_INFO_FPS_D(i) ((i)->fps_d)
391 /* dealing with planes */
392 #define GST_VIDEO_INFO_N_PLANES(i) (GST_VIDEO_FORMAT_INFO_N_PLANES((i)->finfo))
393 #define GST_VIDEO_INFO_PLANE_OFFSET(i,p) ((i)->offset[p])
394 #define GST_VIDEO_INFO_PLANE_STRIDE(i,p) ((i)->stride[p])
396 /* dealing with components */
397 #define GST_VIDEO_INFO_N_COMPONENTS(i) GST_VIDEO_FORMAT_INFO_N_COMPONENTS((i)->finfo)
398 #define GST_VIDEO_INFO_COMP_DATA(i,d,c) GST_VIDEO_FORMAT_INFO_DATA((i)->finfo,d,c)
399 #define GST_VIDEO_INFO_COMP_STRIDE(i,c) GST_VIDEO_FORMAT_INFO_STRIDE((i)->finfo,(i)->stride,c)
400 #define GST_VIDEO_INFO_COMP_WIDTH(i,c) GST_VIDEO_FORMAT_INFO_SCALE_WIDTH((i)->finfo,c,(i)->width)
401 #define GST_VIDEO_INFO_COMP_HEIGHT(i,c) GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT((i)->finfo,c,(i)->height)
402 #define GST_VIDEO_INFO_COMP_PLANE(i,c) GST_VIDEO_FORMAT_INFO_PLANE((i)->finfo,c)
403 #define GST_VIDEO_INFO_COMP_OFFSET(i,c) GST_VIDEO_FORMAT_INFO_OFFSET((i)->finfo,c)
404 #define GST_VIDEO_INFO_COMP_PSTRIDE(i,c) GST_VIDEO_FORMAT_INFO_PSTRIDE((i)->finfo,c)
406 void gst_video_info_init (GstVideoInfo *info);
408 void gst_video_info_set_format (GstVideoInfo *info, GstVideoFormat format,
409 guint width, guint height);
411 gboolean gst_video_info_from_caps (GstVideoInfo *info, const GstCaps * caps);
413 GstCaps * gst_video_info_to_caps (GstVideoInfo *info);
415 gboolean gst_video_info_convert (GstVideoInfo *info,
416 GstFormat src_format,
418 GstFormat dest_format,
423 * @info: the #GstVideoInfo
424 * @buffer: the mapped buffer
425 * @meta: pointer to metadata if any
426 * @data: pointers to the plane data
428 * A video frame obtained from gst_video_frame_map()
430 struct _GstVideoFrame {
436 gpointer data[GST_VIDEO_MAX_PLANES];
439 gboolean gst_video_frame_map (GstVideoFrame *frame, GstVideoInfo *info,
440 GstBuffer *buffer, GstMapFlags flags);
441 void gst_video_frame_unmap (GstVideoFrame *frame);
443 gboolean gst_video_frame_copy (GstVideoFrame *dest, const GstVideoFrame *src);
446 #define GST_VIDEO_FRAME_FORMAT(f) (GST_VIDEO_INFO_FORMAT(&(f)->info))
447 #define GST_VIDEO_FRAME_WIDTH(f) (GST_VIDEO_INFO_WIDTH(&(f)->info))
448 #define GST_VIDEO_FRAME_HEIGHT(f) (GST_VIDEO_INFO_HEIGHT(&(f)->info))
449 #define GST_VIDEO_FRAME_SIZE(f) (GST_VIDEO_INFO_SIZE(&(f)->info))
451 /* dealing with planes */
452 #define GST_VIDEO_FRAME_N_PLANES(f) (GST_VIDEO_INFO_N_PLANES(&(f)->info))
453 #define GST_VIDEO_FRAME_PLANE_DATA(f,p) ((f)->data[p])
454 #define GST_VIDEO_FRAME_PLANE_OFFSET(f,p) (GST_VIDEO_INFO_PLANE_OFFSET(&(f)->info,p))
455 #define GST_VIDEO_FRAME_PLANE_STRIDE(f,p) (GST_VIDEO_INFO_PLANE_STRIDE(&(f)->info,p))
457 /* dealing with components */
458 #define GST_VIDEO_FRAME_N_COMPONENTS(f) GST_VIDEO_INFO_N_COMPONENTS(&(f)->info)
459 #define GST_VIDEO_FRAME_COMP_DATA(f,c) GST_VIDEO_INFO_COMP_DATA(&(f)->info,(f)->data,c)
460 #define GST_VIDEO_FRAME_COMP_STRIDE(f,c) GST_VIDEO_INFO_COMP_STRIDE(&(f)->info,c)
461 #define GST_VIDEO_FRAME_COMP_WIDTH(f,c) GST_VIDEO_INFO_COMP_WIDTH(&(f)->info,c)
462 #define GST_VIDEO_FRAME_COMP_HEIGHT(f,c) GST_VIDEO_INFO_COMP_HEIGHT(&(f)->info,c)
463 #define GST_VIDEO_FRAME_COMP_PLANE(f,c) GST_VIDEO_INFO_COMP_PLANE(&(f)->info,c)
464 #define GST_VIDEO_FRAME_COMP_OFFSET(f,c) GST_VIDEO_INFO_COMP_OFFSET(&(f)->info,c)
465 #define GST_VIDEO_FRAME_COMP_PSTRIDE(f,c) GST_VIDEO_INFO_COMP_PSTRIDE(&(f)->info,c)
467 #define GST_VIDEO_SIZE_RANGE "(int) [ 1, max ]"
468 #define GST_VIDEO_FPS_RANGE "(fraction) [ 0, max ]"
470 #define GST_VIDEO_FORMATS_ALL "{ I420, YV12, YUY2, UYVY, AYUV, RGBx, " \
471 "BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, " \
472 "YVYU, Y444, v210, v216, NV12, NV21, GRAY8, GRAY16_BE, GRAY16_LE, " \
473 "v308, Y800, Y16, RGB16, BGR16, RGB15, BGR15, UYVP, A420, " \
474 "RGB8_PALETTED, YUV9, YVU9, IYU1, ARGB64, AYUV64, r210 }"
477 * GST_VIDEO_CAPS_MAKE:
478 * @format: string format that describes the pixel layout, as string
479 * (e.g. "I420", "RGB", "YV12", "YUY2", "AYUV", etc.)
481 * Generic caps string for video, for use in pad templates.
483 #define GST_VIDEO_CAPS_MAKE(format) \
485 "format = (string) " format ", " \
486 "width = " GST_VIDEO_SIZE_RANGE ", " \
487 "height = " GST_VIDEO_SIZE_RANGE ", " \
488 "framerate = " GST_VIDEO_FPS_RANGE
493 * GST_VIDEO_BUFFER_TFF:
495 * If the #GstBuffer is interlaced, then the first field in the video frame is
496 * the top field. If unset, the bottom field is first.
500 #define GST_VIDEO_BUFFER_TFF GST_BUFFER_FLAG_MEDIA1
503 * GST_VIDEO_BUFFER_RFF:
505 * If the #GstBuffer is interlaced, then the first field (as defined by the
506 * %GST_VIDEO_BUFFER_TFF flag setting) is repeated.
510 #define GST_VIDEO_BUFFER_RFF GST_BUFFER_FLAG_MEDIA2
513 * GST_VIDEO_BUFFER_ONEFIELD:
515 * If the #GstBuffer is interlaced, then only the first field (as defined by the
516 * %GST_VIDEO_BUFFER_TFF flag setting) is to be displayed.
520 #define GST_VIDEO_BUFFER_ONEFIELD GST_BUFFER_FLAG_MEDIA3
523 * GST_VIDEO_BUFFER_PROGRESSIVE:
525 * If the #GstBuffer is telecined, then the buffer is progressive if the
526 * %GST_VIDEO_BUFFER_PROGRESSIVE flag is set, else it is telecine mixed.
530 #define GST_VIDEO_BUFFER_PROGRESSIVE GST_BUFFER_FLAG_MEDIA4
533 gboolean gst_video_calculate_display_ratio (guint * dar_n,
540 guint display_par_d);
542 gboolean gst_video_parse_caps_framerate (GstCaps * caps, int *fps_n, int *fps_d);
543 GstBuffer * gst_video_parse_caps_palette (GstCaps * caps);
545 /* video still frame event creation and parsing */
547 GstEvent * gst_video_event_new_still_frame (gboolean in_still);
549 gboolean gst_video_event_parse_still_frame (GstEvent * event, gboolean * in_still);
552 /* convert/encode video frame from one format to another */
554 typedef void (*GstVideoConvertFrameCallback) (GstBuffer * buf, GError *error, gpointer user_data);
556 void gst_video_convert_frame_async (GstBuffer * buf,
558 const GstCaps * to_caps,
559 GstClockTime timeout,
560 GstVideoConvertFrameCallback callback,
562 GDestroyNotify destroy_notify);
564 GstBuffer * gst_video_convert_frame (GstBuffer * buf,
566 const GstCaps * to_caps,
567 GstClockTime timeout,
571 #endif /* __GST_VIDEO_H__ */