2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3 * Library <2002> Ronald Bultje <rbultje@ronald.bitfreak.net>
4 * Copyright (C) 2007 David A. Schleef <ds@schleef.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
29 #include "video-info.h"
30 #include "video-tile.h"
32 #ifndef GST_DISABLE_GST_DEBUG
33 #define GST_CAT_DEFAULT ensure_debug_category()
34 static GstDebugCategory *
35 ensure_debug_category (void)
37 static gsize cat_gonce = 0;
39 if (g_once_init_enter (&cat_gonce)) {
42 cat_done = (gsize) _gst_debug_category_new ("video-info", 0,
43 "video-info structure");
45 g_once_init_leave (&cat_gonce, cat_done);
48 return (GstDebugCategory *) cat_gonce;
51 #define ensure_debug_category() /* NOOP */
52 #endif /* GST_DISABLE_GST_DEBUG */
55 * gst_video_info_copy:
56 * @info: a #GstVideoInfo
58 * Copy a GstVideoInfo structure.
60 * Returns: a new #GstVideoInfo. free with gst_video_info_free.
65 gst_video_info_copy (const GstVideoInfo * info)
67 return g_slice_dup (GstVideoInfo, info);
71 * gst_video_info_free:
72 * @info: a #GstVideoInfo
74 * Free a GstVideoInfo structure previously allocated with gst_video_info_new()
75 * or gst_video_info_copy().
80 gst_video_info_free (GstVideoInfo * info)
82 g_slice_free (GstVideoInfo, info);
85 G_DEFINE_BOXED_TYPE (GstVideoInfo, gst_video_info,
86 (GBoxedCopyFunc) gst_video_info_copy, (GBoxedFreeFunc) gst_video_info_free);
91 * Allocate a new #GstVideoInfo that is also initialized with
92 * gst_video_info_init().
94 * Returns: a new #GstVideoInfo. free with gst_video_info_free().
99 gst_video_info_new (void)
103 info = g_slice_new (GstVideoInfo);
104 gst_video_info_init (info);
109 static gboolean fill_planes (GstVideoInfo * info);
112 * gst_video_info_init:
113 * @info: a #GstVideoInfo
115 * Initialize @info with default values.
118 gst_video_info_init (GstVideoInfo * info)
120 g_return_if_fail (info != NULL);
122 memset (info, 0, sizeof (GstVideoInfo));
124 info->finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_UNKNOWN);
127 /* arrange for sensible defaults, e.g. if turned into caps */
132 GST_VIDEO_INFO_MULTIVIEW_MODE (info) = GST_VIDEO_MULTIVIEW_MODE_NONE;
133 GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) = GST_VIDEO_MULTIVIEW_FLAGS_NONE;
134 GST_VIDEO_INFO_FIELD_ORDER (info) = GST_VIDEO_FIELD_ORDER_UNKNOWN;
137 #define MAKE_COLORIMETRY(r,m,t,p) { \
138 GST_VIDEO_COLOR_RANGE ##r, GST_VIDEO_COLOR_MATRIX_ ##m, \
139 GST_VIDEO_TRANSFER_ ##t, GST_VIDEO_COLOR_PRIMARIES_ ##p }
141 #define DEFAULT_YUV_SD 0
142 #define DEFAULT_YUV_HD 1
143 #define DEFAULT_RGB 2
144 #define DEFAULT_GRAY 3
145 #define DEFAULT_UNKNOWN 4
146 #define DEFAULT_YUV_UHD 5
148 static const GstVideoColorimetry default_color[] = {
149 MAKE_COLORIMETRY (_16_235, BT601, BT709, SMPTE170M),
150 MAKE_COLORIMETRY (_16_235, BT709, BT709, BT709),
151 MAKE_COLORIMETRY (_0_255, RGB, SRGB, BT709),
152 MAKE_COLORIMETRY (_0_255, BT601, UNKNOWN, UNKNOWN),
153 MAKE_COLORIMETRY (_UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN),
154 MAKE_COLORIMETRY (_16_235, BT2020, BT2020_12, BT2020),
158 set_default_colorimetry (GstVideoInfo * info)
160 const GstVideoFormatInfo *finfo = info->finfo;
162 if (GST_VIDEO_FORMAT_INFO_IS_YUV (finfo)) {
163 if (info->height >= 2160) {
164 info->chroma_site = GST_VIDEO_CHROMA_SITE_H_COSITED;
165 info->colorimetry = default_color[DEFAULT_YUV_UHD];
166 } else if (info->height > 576) {
167 info->chroma_site = GST_VIDEO_CHROMA_SITE_H_COSITED;
168 info->colorimetry = default_color[DEFAULT_YUV_HD];
170 info->chroma_site = GST_VIDEO_CHROMA_SITE_NONE;
171 info->colorimetry = default_color[DEFAULT_YUV_SD];
173 } else if (GST_VIDEO_FORMAT_INFO_IS_GRAY (finfo)) {
174 info->colorimetry = default_color[DEFAULT_GRAY];
175 } else if (GST_VIDEO_FORMAT_INFO_IS_RGB (finfo)) {
176 info->colorimetry = default_color[DEFAULT_RGB];
178 info->colorimetry = default_color[DEFAULT_UNKNOWN];
183 validate_colorimetry (GstVideoInfo * info)
185 const GstVideoFormatInfo *finfo = info->finfo;
187 if (!GST_VIDEO_FORMAT_INFO_IS_RGB (finfo) &&
188 info->colorimetry.matrix == GST_VIDEO_COLOR_MATRIX_RGB)
191 if (GST_VIDEO_FORMAT_INFO_IS_YUV (finfo) &&
192 info->colorimetry.matrix == GST_VIDEO_COLOR_MATRIX_UNKNOWN)
199 gst_video_info_set_format_common (GstVideoInfo * info, GstVideoFormat format,
200 guint width, guint height)
202 g_return_val_if_fail (info != NULL, FALSE);
203 g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, FALSE);
205 if (width > G_MAXINT || height > G_MAXINT)
208 gst_video_info_init (info);
210 info->finfo = gst_video_format_get_info (format);
212 info->height = height;
215 set_default_colorimetry (info);
221 * gst_video_info_set_format:
222 * @info: a #GstVideoInfo
223 * @format: the format
227 * Set the default info for a video frame of @format and @width and @height.
229 * Note: This initializes @info first, no values are preserved. This function
230 * does not set the offsets correctly for interlaced vertically
231 * subsampled formats.
233 * Returns: %FALSE if the returned video info is invalid, e.g. because the
234 * size of a frame can't be represented as a 32 bit integer (Since: 1.12)
237 gst_video_info_set_format (GstVideoInfo * info, GstVideoFormat format,
238 guint width, guint height)
240 if (!gst_video_info_set_format_common (info, format, width, height))
243 return fill_planes (info);
247 * gst_video_info_set_interlaced_format:
248 * @info: a #GstVideoInfo
249 * @format: the format
250 * @mode: a #GstVideoInterlaceMode
254 * Same as #gst_video_info_set_format but also allowing to set the interlaced
257 * Returns: %FALSE if the returned video info is invalid, e.g. because the
258 * size of a frame can't be represented as a 32 bit integer.
263 gst_video_info_set_interlaced_format (GstVideoInfo * info,
264 GstVideoFormat format, GstVideoInterlaceMode mode, guint width,
267 if (!gst_video_info_set_format_common (info, format, width, height))
270 GST_VIDEO_INFO_INTERLACE_MODE (info) = mode;
271 return fill_planes (info);
274 static const gchar *interlace_mode[] = {
283 * gst_video_interlace_mode_to_string:
284 * @mode: a #GstVideoInterlaceMode
286 * Convert @mode to its string representation.
288 * Returns: @mode as a string or NULL if @mode in invalid.
293 gst_video_interlace_mode_to_string (GstVideoInterlaceMode mode)
295 if (((guint) mode) >= G_N_ELEMENTS (interlace_mode))
298 return interlace_mode[mode];
302 * gst_video_interlace_mode_from_string:
305 * Convert @mode to a #GstVideoInterlaceMode
307 * Returns: the #GstVideoInterlaceMode of @mode or
308 * #GST_VIDEO_INTERLACE_MODE_PROGRESSIVE when @mode is not a valid
309 * string representation for a #GstVideoInterlaceMode.
313 GstVideoInterlaceMode
314 gst_video_interlace_mode_from_string (const gchar * mode)
317 for (i = 0; i < G_N_ELEMENTS (interlace_mode); i++) {
318 if (g_str_equal (interlace_mode[i], mode))
321 return GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
324 static const gchar *field_order[] = {
331 * gst_video_field_order_to_string:
332 * @order: a #GstVideoFieldOrder
334 * Convert @order to its string representation.
336 * Returns: @order as a string or NULL if @order in invalid.
341 gst_video_field_order_to_string (GstVideoFieldOrder order)
343 if (((guint) order) >= G_N_ELEMENTS (field_order))
346 return field_order[order];
350 * gst_video_field_order_from_string:
351 * @order: a field order
353 * Convert @order to a #GstVideoFieldOrder
355 * Returns: the #GstVideoFieldOrder of @order or
356 * #GST_VIDEO_FIELD_ORDER_UNKNOWN when @order is not a valid
357 * string representation for a #GstVideoFieldOrder.
362 gst_video_field_order_from_string (const gchar * order)
365 for (i = 0; i < G_N_ELEMENTS (field_order); i++) {
366 if (g_str_equal (field_order[i], order))
369 return GST_VIDEO_FIELD_ORDER_UNKNOWN;
373 * gst_video_info_from_caps:
374 * @info: a #GstVideoInfo
377 * Parse @caps and update @info.
379 * Returns: TRUE if @caps could be parsed
382 gst_video_info_from_caps (GstVideoInfo * info, const GstCaps * caps)
384 GstStructure *structure;
386 GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
387 gint width = 0, height = 0;
390 guint multiview_flags;
392 g_return_val_if_fail (info != NULL, FALSE);
393 g_return_val_if_fail (caps != NULL, FALSE);
394 g_return_val_if_fail (gst_caps_is_fixed (caps), FALSE);
396 GST_DEBUG ("parsing caps %" GST_PTR_FORMAT, caps);
398 structure = gst_caps_get_structure (caps, 0);
400 if (gst_structure_has_name (structure, "video/x-raw")) {
401 if (!(s = gst_structure_get_string (structure, "format")))
404 format = gst_video_format_from_string (s);
405 if (format == GST_VIDEO_FORMAT_UNKNOWN)
408 } else if (g_str_has_prefix (gst_structure_get_name (structure), "video/") ||
409 g_str_has_prefix (gst_structure_get_name (structure), "image/")) {
410 format = GST_VIDEO_FORMAT_ENCODED;
415 /* width and height are mandatory, except for non-raw-formats */
416 if (!gst_structure_get_int (structure, "width", &width) &&
417 format != GST_VIDEO_FORMAT_ENCODED)
419 if (!gst_structure_get_int (structure, "height", &height) &&
420 format != GST_VIDEO_FORMAT_ENCODED)
423 gst_video_info_init (info);
425 info->finfo = gst_video_format_get_info (format);
427 info->height = height;
429 if (gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)) {
431 /* variable framerate */
432 info->flags |= GST_VIDEO_FLAG_VARIABLE_FPS;
433 /* see if we have a max-framerate */
434 gst_structure_get_fraction (structure, "max-framerate", &fps_n, &fps_d);
439 /* unspecified is variable framerate */
444 if (gst_structure_get_fraction (structure, "pixel-aspect-ratio",
453 if ((s = gst_structure_get_string (structure, "interlace-mode")))
454 info->interlace_mode = gst_video_interlace_mode_from_string (s);
456 info->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
458 if (info->interlace_mode == GST_VIDEO_INTERLACE_MODE_INTERLEAVED &&
459 (s = gst_structure_get_string (structure, "field-order"))) {
460 GST_VIDEO_INFO_FIELD_ORDER (info) = gst_video_field_order_from_string (s);
462 GST_VIDEO_INFO_FIELD_ORDER (info) = GST_VIDEO_FIELD_ORDER_UNKNOWN;
466 if ((s = gst_structure_get_string (structure, "multiview-mode")))
467 GST_VIDEO_INFO_MULTIVIEW_MODE (info) =
468 gst_video_multiview_mode_from_caps_string (s);
470 GST_VIDEO_INFO_MULTIVIEW_MODE (info) = GST_VIDEO_MULTIVIEW_MODE_NONE;
472 if (gst_structure_get_flagset (structure, "multiview-flags",
473 &multiview_flags, NULL))
474 GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) = multiview_flags;
476 if (!gst_structure_get_int (structure, "views", &info->views))
479 /* At one point, I tried normalising the half-aspect flag here,
480 * but it behaves weird for GstVideoInfo operations other than
481 * directly converting to/from caps - sometimes causing the
482 * PAR to be doubled/halved too many times */
485 if ((s = gst_structure_get_string (structure, "chroma-site")))
486 info->chroma_site = gst_video_chroma_from_string (s);
488 info->chroma_site = GST_VIDEO_CHROMA_SITE_UNKNOWN;
490 if ((s = gst_structure_get_string (structure, "colorimetry"))) {
491 if (!gst_video_colorimetry_from_string (&info->colorimetry, s)) {
492 GST_WARNING ("unparsable colorimetry, using default");
493 set_default_colorimetry (info);
494 } else if (!validate_colorimetry (info)) {
495 GST_WARNING ("invalid colorimetry, using default");
496 set_default_colorimetry (info);
498 /* force RGB matrix for RGB formats */
499 if (GST_VIDEO_FORMAT_INFO_IS_RGB (info->finfo) &&
500 info->colorimetry.matrix != GST_VIDEO_COLOR_MATRIX_RGB) {
501 GST_WARNING ("invalid matrix %d for RGB format, using RGB",
502 info->colorimetry.matrix);
503 info->colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_RGB;
507 GST_DEBUG ("no colorimetry, using default");
508 set_default_colorimetry (info);
511 if (!fill_planes (info))
519 GST_ERROR ("wrong name '%s', expected video/ or image/",
520 gst_structure_get_name (structure));
525 GST_ERROR ("no format given");
530 GST_ERROR ("unknown format '%s' given", s);
535 GST_ERROR ("no width property given");
540 GST_ERROR ("no height property given");
546 * gst_video_info_is_equal:
547 * @info: a #GstVideoInfo
548 * @other: a #GstVideoInfo
550 * Compares two #GstVideoInfo and returns whether they are equal or not
552 * Returns: %TRUE if @info and @other are equal, else %FALSE.
555 gst_video_info_is_equal (const GstVideoInfo * info, const GstVideoInfo * other)
559 if (GST_VIDEO_INFO_FORMAT (info) != GST_VIDEO_INFO_FORMAT (other))
561 if (GST_VIDEO_INFO_INTERLACE_MODE (info) !=
562 GST_VIDEO_INFO_INTERLACE_MODE (other))
564 if (GST_VIDEO_INFO_FLAGS (info) != GST_VIDEO_INFO_FLAGS (other))
566 if (GST_VIDEO_INFO_WIDTH (info) != GST_VIDEO_INFO_WIDTH (other))
568 if (GST_VIDEO_INFO_HEIGHT (info) != GST_VIDEO_INFO_HEIGHT (other))
570 if (GST_VIDEO_INFO_SIZE (info) != GST_VIDEO_INFO_SIZE (other))
572 if (GST_VIDEO_INFO_PAR_N (info) != GST_VIDEO_INFO_PAR_N (other))
574 if (GST_VIDEO_INFO_PAR_D (info) != GST_VIDEO_INFO_PAR_D (other))
576 if (GST_VIDEO_INFO_FPS_N (info) != GST_VIDEO_INFO_FPS_N (other))
578 if (GST_VIDEO_INFO_FPS_D (info) != GST_VIDEO_INFO_FPS_D (other))
580 if (!gst_video_colorimetry_is_equal (&GST_VIDEO_INFO_COLORIMETRY (info),
581 &GST_VIDEO_INFO_COLORIMETRY (other)))
583 if (GST_VIDEO_INFO_CHROMA_SITE (info) != GST_VIDEO_INFO_CHROMA_SITE (other))
585 if (GST_VIDEO_INFO_MULTIVIEW_MODE (info) !=
586 GST_VIDEO_INFO_MULTIVIEW_MODE (other))
588 if (GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) !=
589 GST_VIDEO_INFO_MULTIVIEW_FLAGS (other))
591 if (GST_VIDEO_INFO_VIEWS (info) != GST_VIDEO_INFO_VIEWS (other))
594 for (i = 0; i < info->finfo->n_planes; i++) {
595 if (info->stride[i] != other->stride[i])
597 if (info->offset[i] != other->offset[i])
605 * gst_video_info_to_caps:
606 * @info: a #GstVideoInfo
608 * Convert the values of @info into a #GstCaps.
610 * Returns: a new #GstCaps containing the info of @info.
613 gst_video_info_to_caps (GstVideoInfo * info)
619 GstVideoColorimetry colorimetry;
621 g_return_val_if_fail (info != NULL, NULL);
622 g_return_val_if_fail (info->finfo != NULL, NULL);
623 g_return_val_if_fail (info->finfo->format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
625 format = gst_video_format_to_string (info->finfo->format);
626 g_return_val_if_fail (format != NULL, NULL);
628 caps = gst_caps_new_simple ("video/x-raw",
629 "format", G_TYPE_STRING, format,
630 "width", G_TYPE_INT, info->width,
631 "height", G_TYPE_INT, info->height, NULL);
636 gst_caps_set_simple (caps, "interlace-mode", G_TYPE_STRING,
637 gst_video_interlace_mode_to_string (info->interlace_mode), NULL);
639 if (info->interlace_mode == GST_VIDEO_INTERLACE_MODE_INTERLEAVED &&
640 GST_VIDEO_INFO_FIELD_ORDER (info) != GST_VIDEO_FIELD_ORDER_UNKNOWN) {
641 gst_caps_set_simple (caps, "field-order", G_TYPE_STRING,
642 gst_video_field_order_to_string (GST_VIDEO_INFO_FIELD_ORDER (info)),
646 if (info->interlace_mode == GST_VIDEO_INTERLACE_MODE_ALTERNATE) {
647 /* 'alternate' mode must always be accompanied by interlaced caps feature.
649 GstCapsFeatures *features;
651 features = gst_caps_features_new (GST_CAPS_FEATURE_FORMAT_INTERLACED, NULL);
652 gst_caps_set_features (caps, 0, features);
655 if (GST_VIDEO_INFO_MULTIVIEW_MODE (info) != GST_VIDEO_MULTIVIEW_MODE_NONE) {
656 const gchar *caps_str = NULL;
658 /* If the half-aspect flag is set, applying it into the PAR of the
659 * resulting caps now seems safe, and helps with automatic behaviour
660 * in elements that aren't explicitly multiview aware */
661 if (GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &
662 GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT) {
663 GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &=
664 ~GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT;
665 switch (GST_VIDEO_INFO_MULTIVIEW_MODE (info)) {
666 case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE:
667 case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE_QUINCUNX:
668 case GST_VIDEO_MULTIVIEW_MODE_COLUMN_INTERLEAVED:
669 case GST_VIDEO_MULTIVIEW_MODE_CHECKERBOARD:
670 par_n *= 2; /* double the width / half the height */
672 case GST_VIDEO_MULTIVIEW_MODE_ROW_INTERLEAVED:
673 case GST_VIDEO_MULTIVIEW_MODE_TOP_BOTTOM:
674 par_d *= 2; /* half the width / double the height */
682 gst_video_multiview_mode_to_caps_string (GST_VIDEO_INFO_MULTIVIEW_MODE
684 if (caps_str != NULL) {
685 gst_caps_set_simple (caps, "multiview-mode", G_TYPE_STRING,
686 caps_str, "multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET,
687 GST_VIDEO_INFO_MULTIVIEW_FLAGS (info), GST_FLAG_SET_MASK_EXACT, NULL);
691 gst_caps_set_simple (caps, "pixel-aspect-ratio",
692 GST_TYPE_FRACTION, par_n, par_d, NULL);
694 if (info->chroma_site != GST_VIDEO_CHROMA_SITE_UNKNOWN)
695 gst_caps_set_simple (caps, "chroma-site", G_TYPE_STRING,
696 gst_video_chroma_to_string (info->chroma_site), NULL);
698 /* make sure we set the RGB matrix for RGB formats */
699 colorimetry = info->colorimetry;
700 if (GST_VIDEO_FORMAT_INFO_IS_RGB (info->finfo) &&
701 colorimetry.matrix != GST_VIDEO_COLOR_MATRIX_RGB) {
702 GST_WARNING ("invalid matrix %d for RGB format, using RGB",
704 colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_RGB;
706 if ((color = gst_video_colorimetry_to_string (&colorimetry))) {
707 gst_caps_set_simple (caps, "colorimetry", G_TYPE_STRING, color, NULL);
712 gst_caps_set_simple (caps, "views", G_TYPE_INT, info->views, NULL);
714 if (info->flags & GST_VIDEO_FLAG_VARIABLE_FPS && info->fps_n != 0) {
715 /* variable fps with a max-framerate */
716 gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, 0, 1,
717 "max-framerate", GST_TYPE_FRACTION, info->fps_n, info->fps_d, NULL);
719 /* no variable fps or no max-framerate */
720 gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION,
721 info->fps_n, info->fps_d, NULL);
728 fill_planes (GstVideoInfo * info)
730 gsize width, height, cr_h;
733 width = (gsize) info->width;
734 height = (gsize) GST_VIDEO_INFO_FIELD_HEIGHT (info);
736 /* Sanity check the resulting frame size for overflows */
737 for (i = 0; i < GST_VIDEO_INFO_N_COMPONENTS (info); i++)
738 bpp += GST_VIDEO_INFO_COMP_DEPTH (info, i);
739 bpp = GST_ROUND_UP_8 (bpp) / 8;
740 if (bpp > 0 && GST_ROUND_UP_128 ((guint64) width) * ((guint64) height) >=
742 GST_ERROR ("Frame size %ux%u would overflow", info->width, info->height);
746 switch (info->finfo->format) {
747 case GST_VIDEO_FORMAT_YUY2:
748 case GST_VIDEO_FORMAT_YVYU:
749 case GST_VIDEO_FORMAT_UYVY:
750 case GST_VIDEO_FORMAT_VYUY:
751 info->stride[0] = GST_ROUND_UP_4 (width * 2);
753 info->size = info->stride[0] * height;
755 case GST_VIDEO_FORMAT_AYUV:
756 case GST_VIDEO_FORMAT_RGBx:
757 case GST_VIDEO_FORMAT_RGBA:
758 case GST_VIDEO_FORMAT_BGRx:
759 case GST_VIDEO_FORMAT_BGRA:
760 case GST_VIDEO_FORMAT_xRGB:
761 case GST_VIDEO_FORMAT_ARGB:
762 case GST_VIDEO_FORMAT_xBGR:
763 case GST_VIDEO_FORMAT_ABGR:
764 case GST_VIDEO_FORMAT_r210:
765 info->stride[0] = width * 4;
767 info->size = info->stride[0] * height;
769 case GST_VIDEO_FORMAT_RGB16:
770 case GST_VIDEO_FORMAT_BGR16:
771 case GST_VIDEO_FORMAT_RGB15:
772 case GST_VIDEO_FORMAT_BGR15:
773 info->stride[0] = GST_ROUND_UP_4 (width * 2);
775 info->size = info->stride[0] * height;
777 case GST_VIDEO_FORMAT_RGB:
778 case GST_VIDEO_FORMAT_BGR:
779 case GST_VIDEO_FORMAT_v308:
780 case GST_VIDEO_FORMAT_IYU2:
781 info->stride[0] = GST_ROUND_UP_4 (width * 3);
783 info->size = info->stride[0] * height;
785 case GST_VIDEO_FORMAT_v210:
786 info->stride[0] = ((width + 47) / 48) * 128;
788 info->size = info->stride[0] * height;
790 case GST_VIDEO_FORMAT_v216:
791 case GST_VIDEO_FORMAT_Y210:
792 info->stride[0] = GST_ROUND_UP_8 (width * 4);
794 info->size = info->stride[0] * height;
796 case GST_VIDEO_FORMAT_GRAY8:
797 info->stride[0] = GST_ROUND_UP_4 (width);
799 info->size = info->stride[0] * height;
801 case GST_VIDEO_FORMAT_GRAY16_BE:
802 case GST_VIDEO_FORMAT_GRAY16_LE:
803 info->stride[0] = GST_ROUND_UP_4 (width * 2);
805 info->size = info->stride[0] * height;
807 case GST_VIDEO_FORMAT_UYVP:
808 info->stride[0] = GST_ROUND_UP_4 ((width * 2 * 5 + 3) / 4);
810 info->size = info->stride[0] * height;
812 case GST_VIDEO_FORMAT_RGB8P:
813 info->stride[0] = GST_ROUND_UP_4 (width);
816 info->offset[1] = info->stride[0] * height;
817 info->size = info->offset[1] + (4 * 256);
819 case GST_VIDEO_FORMAT_IYU1:
820 info->stride[0] = GST_ROUND_UP_4 (GST_ROUND_UP_4 (width) +
821 GST_ROUND_UP_4 (width) / 2);
823 info->size = info->stride[0] * height;
825 case GST_VIDEO_FORMAT_ARGB64:
826 case GST_VIDEO_FORMAT_AYUV64:
827 info->stride[0] = width * 8;
829 info->size = info->stride[0] * height;
831 case GST_VIDEO_FORMAT_I420:
832 case GST_VIDEO_FORMAT_YV12: /* same as I420, but plane 1+2 swapped */
833 info->stride[0] = GST_ROUND_UP_4 (width);
834 info->stride[1] = GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2);
835 info->stride[2] = info->stride[1];
837 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
838 cr_h = GST_ROUND_UP_2 (height) / 2;
839 if (GST_VIDEO_INFO_IS_INTERLACED (info))
840 cr_h = GST_ROUND_UP_2 (cr_h);
841 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
842 info->size = info->offset[2] + info->stride[2] * cr_h;
844 case GST_VIDEO_FORMAT_Y41B:
845 info->stride[0] = GST_ROUND_UP_4 (width);
846 info->stride[1] = GST_ROUND_UP_16 (width) / 4;
847 info->stride[2] = info->stride[1];
849 info->offset[1] = info->stride[0] * height;
850 info->offset[2] = info->offset[1] + info->stride[1] * height;
851 /* simplification of ROUNDUP4(w)*h + 2*((ROUNDUP16(w)/4)*h */
852 info->size = (info->stride[0] + (GST_ROUND_UP_16 (width) / 2)) * height;
854 case GST_VIDEO_FORMAT_Y42B:
855 info->stride[0] = GST_ROUND_UP_4 (width);
856 info->stride[1] = GST_ROUND_UP_8 (width) / 2;
857 info->stride[2] = info->stride[1];
859 info->offset[1] = info->stride[0] * height;
860 info->offset[2] = info->offset[1] + info->stride[1] * height;
861 /* simplification of ROUNDUP4(w)*h + 2*(ROUNDUP8(w)/2)*h */
862 info->size = (info->stride[0] + GST_ROUND_UP_8 (width)) * height;
864 case GST_VIDEO_FORMAT_Y444:
865 case GST_VIDEO_FORMAT_GBR:
866 info->stride[0] = GST_ROUND_UP_4 (width);
867 info->stride[1] = info->stride[0];
868 info->stride[2] = info->stride[0];
870 info->offset[1] = info->stride[0] * height;
871 info->offset[2] = info->offset[1] * 2;
872 info->size = info->stride[0] * height * 3;
874 case GST_VIDEO_FORMAT_GBRA:
875 info->stride[0] = GST_ROUND_UP_4 (width);
876 info->stride[1] = info->stride[0];
877 info->stride[2] = info->stride[0];
878 info->stride[3] = info->stride[0];
880 info->offset[1] = info->stride[0] * height;
881 info->offset[2] = info->offset[1] * 2;
882 info->offset[3] = info->offset[1] * 3;
883 info->size = info->stride[0] * height * 4;
885 case GST_VIDEO_FORMAT_NV12:
886 case GST_VIDEO_FORMAT_NV21:
887 info->stride[0] = GST_ROUND_UP_4 (width);
888 info->stride[1] = info->stride[0];
890 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
891 cr_h = GST_ROUND_UP_2 (height) / 2;
892 if (GST_VIDEO_INFO_IS_INTERLACED (info))
893 cr_h = GST_ROUND_UP_2 (cr_h);
894 info->size = info->offset[1] + info->stride[0] * cr_h;
896 case GST_VIDEO_FORMAT_NV16:
897 case GST_VIDEO_FORMAT_NV61:
898 info->stride[0] = GST_ROUND_UP_4 (width);
899 info->stride[1] = info->stride[0];
901 info->offset[1] = info->stride[0] * height;
902 info->size = info->stride[0] * height * 2;
904 case GST_VIDEO_FORMAT_NV24:
905 info->stride[0] = GST_ROUND_UP_4 (width);
906 info->stride[1] = GST_ROUND_UP_4 (width * 2);
908 info->offset[1] = info->stride[0] * height;
909 info->size = info->stride[0] * height + info->stride[1] * height;
911 case GST_VIDEO_FORMAT_A420:
912 info->stride[0] = GST_ROUND_UP_4 (width);
913 info->stride[1] = GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2);
914 info->stride[2] = info->stride[1];
915 info->stride[3] = info->stride[0];
917 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
918 cr_h = GST_ROUND_UP_2 (height) / 2;
919 if (GST_VIDEO_INFO_IS_INTERLACED (info))
920 cr_h = GST_ROUND_UP_2 (cr_h);
921 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
922 info->offset[3] = info->offset[2] + info->stride[2] * cr_h;
923 info->size = info->offset[3] + info->stride[0] * GST_ROUND_UP_2 (height);
925 case GST_VIDEO_FORMAT_YUV9:
926 case GST_VIDEO_FORMAT_YVU9:
927 info->stride[0] = GST_ROUND_UP_4 (width);
928 info->stride[1] = GST_ROUND_UP_4 (GST_ROUND_UP_4 (width) / 4);
929 info->stride[2] = info->stride[1];
931 info->offset[1] = info->stride[0] * height;
932 cr_h = GST_ROUND_UP_4 (height) / 4;
933 if (GST_VIDEO_INFO_IS_INTERLACED (info))
934 cr_h = GST_ROUND_UP_2 (cr_h);
935 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
936 info->size = info->offset[2] + info->stride[2] * cr_h;
938 case GST_VIDEO_FORMAT_I420_10LE:
939 case GST_VIDEO_FORMAT_I420_10BE:
940 case GST_VIDEO_FORMAT_I420_12LE:
941 case GST_VIDEO_FORMAT_I420_12BE:
942 info->stride[0] = GST_ROUND_UP_4 (width * 2);
943 info->stride[1] = GST_ROUND_UP_4 (width);
944 info->stride[2] = info->stride[1];
946 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
947 cr_h = GST_ROUND_UP_2 (height) / 2;
948 if (GST_VIDEO_INFO_IS_INTERLACED (info))
949 cr_h = GST_ROUND_UP_2 (cr_h);
950 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
951 info->size = info->offset[2] + info->stride[2] * cr_h;
953 case GST_VIDEO_FORMAT_I422_10LE:
954 case GST_VIDEO_FORMAT_I422_10BE:
955 case GST_VIDEO_FORMAT_I422_12LE:
956 case GST_VIDEO_FORMAT_I422_12BE:
957 info->stride[0] = GST_ROUND_UP_4 (width * 2);
958 info->stride[1] = GST_ROUND_UP_4 (width);
959 info->stride[2] = info->stride[1];
961 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
962 info->offset[2] = info->offset[1] +
963 info->stride[1] * GST_ROUND_UP_2 (height);
964 info->size = info->offset[2] + info->stride[2] * GST_ROUND_UP_2 (height);
966 case GST_VIDEO_FORMAT_Y444_10LE:
967 case GST_VIDEO_FORMAT_Y444_10BE:
968 case GST_VIDEO_FORMAT_Y444_12LE:
969 case GST_VIDEO_FORMAT_Y444_12BE:
970 case GST_VIDEO_FORMAT_GBR_10LE:
971 case GST_VIDEO_FORMAT_GBR_10BE:
972 case GST_VIDEO_FORMAT_GBR_12LE:
973 case GST_VIDEO_FORMAT_GBR_12BE:
974 info->stride[0] = GST_ROUND_UP_4 (width * 2);
975 info->stride[1] = info->stride[0];
976 info->stride[2] = info->stride[0];
978 info->offset[1] = info->stride[0] * height;
979 info->offset[2] = info->offset[1] * 2;
980 info->size = info->stride[0] * height * 3;
982 case GST_VIDEO_FORMAT_GBRA_10LE:
983 case GST_VIDEO_FORMAT_GBRA_10BE:
984 case GST_VIDEO_FORMAT_GBRA_12LE:
985 case GST_VIDEO_FORMAT_GBRA_12BE:
986 info->stride[0] = GST_ROUND_UP_4 (width * 2);
987 info->stride[1] = info->stride[0];
988 info->stride[2] = info->stride[0];
989 info->stride[3] = info->stride[0];
991 info->offset[1] = info->stride[0] * height;
992 info->offset[2] = info->offset[1] * 2;
993 info->offset[3] = info->offset[1] * 3;
994 info->size = info->stride[0] * height * 4;
996 case GST_VIDEO_FORMAT_NV12_64Z32:
998 GST_VIDEO_TILE_MAKE_STRIDE (GST_ROUND_UP_128 (width) / 64,
999 GST_ROUND_UP_32 (height) / 32);
1001 GST_VIDEO_TILE_MAKE_STRIDE (GST_ROUND_UP_128 (width) / 64,
1002 GST_ROUND_UP_64 (height) / 64);
1003 info->offset[0] = 0;
1004 info->offset[1] = GST_ROUND_UP_128 (width) * GST_ROUND_UP_32 (height);
1005 info->size = info->offset[1] +
1006 GST_ROUND_UP_128 (width) * GST_ROUND_UP_64 (height) / 2;
1008 case GST_VIDEO_FORMAT_A420_10LE:
1009 case GST_VIDEO_FORMAT_A420_10BE:
1010 info->stride[0] = GST_ROUND_UP_4 (width * 2);
1011 info->stride[1] = GST_ROUND_UP_4 (width);
1012 info->stride[2] = info->stride[1];
1013 info->stride[3] = info->stride[0];
1014 info->offset[0] = 0;
1015 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1016 cr_h = GST_ROUND_UP_2 (height) / 2;
1017 if (GST_VIDEO_INFO_IS_INTERLACED (info))
1018 cr_h = GST_ROUND_UP_2 (cr_h);
1019 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
1020 info->offset[3] = info->offset[2] + info->stride[2] * cr_h;
1021 info->size = info->offset[3] + info->stride[0] * GST_ROUND_UP_2 (height);
1023 case GST_VIDEO_FORMAT_A422_10LE:
1024 case GST_VIDEO_FORMAT_A422_10BE:
1025 info->stride[0] = GST_ROUND_UP_4 (width * 2);
1026 info->stride[1] = GST_ROUND_UP_4 (width);
1027 info->stride[2] = info->stride[1];
1028 info->stride[3] = info->stride[0];
1029 info->offset[0] = 0;
1030 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1031 info->offset[2] = info->offset[1] +
1032 info->stride[1] * GST_ROUND_UP_2 (height);
1034 info->offset[2] + info->stride[2] * GST_ROUND_UP_2 (height);
1035 info->size = info->offset[3] + info->stride[0] * GST_ROUND_UP_2 (height);
1037 case GST_VIDEO_FORMAT_A444_10LE:
1038 case GST_VIDEO_FORMAT_A444_10BE:
1039 info->stride[0] = GST_ROUND_UP_4 (width * 2);
1040 info->stride[1] = info->stride[0];
1041 info->stride[2] = info->stride[0];
1042 info->stride[3] = info->stride[0];
1043 info->offset[0] = 0;
1044 info->offset[1] = info->stride[0] * height;
1045 info->offset[2] = info->offset[1] * 2;
1046 info->offset[3] = info->offset[1] * 3;
1047 info->size = info->stride[0] * height * 4;
1049 case GST_VIDEO_FORMAT_P010_10LE:
1050 case GST_VIDEO_FORMAT_P010_10BE:
1051 info->stride[0] = GST_ROUND_UP_4 (width * 2);
1052 info->stride[1] = info->stride[0];
1053 info->offset[0] = 0;
1054 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1055 cr_h = GST_ROUND_UP_2 (height) / 2;
1056 info->size = info->offset[1] + info->stride[0] * cr_h;
1058 case GST_VIDEO_FORMAT_GRAY10_LE32:
1059 info->stride[0] = (width + 2) / 3 * 4;
1060 info->offset[0] = 0;
1061 info->size = info->stride[0] * GST_ROUND_UP_2 (height);
1063 case GST_VIDEO_FORMAT_NV12_10LE32:
1064 info->stride[0] = (width + 2) / 3 * 4;
1065 info->stride[1] = info->stride[0];
1066 info->offset[0] = 0;
1067 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1068 cr_h = GST_ROUND_UP_2 (height) / 2;
1069 if (GST_VIDEO_INFO_IS_INTERLACED (info))
1070 cr_h = GST_ROUND_UP_2 (cr_h);
1071 info->size = info->offset[1] + info->stride[0] * cr_h;
1073 case GST_VIDEO_FORMAT_NV16_10LE32:
1074 info->stride[0] = (width + 2) / 3 * 4;
1075 info->stride[1] = info->stride[0];
1076 info->offset[0] = 0;
1077 info->offset[1] = info->stride[0] * height;
1078 info->size = info->stride[0] * height * 2;
1080 case GST_VIDEO_FORMAT_NV12_10LE40:
1081 info->stride[0] = ((width * 5 >> 2) + 4) / 5 * 5;
1082 info->stride[1] = info->stride[0];
1083 info->offset[0] = 0;
1084 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1085 cr_h = GST_ROUND_UP_2 (height) / 2;
1086 if (GST_VIDEO_INFO_IS_INTERLACED (info))
1087 cr_h = GST_ROUND_UP_2 (cr_h);
1088 info->size = info->offset[1] + info->stride[0] * cr_h;
1091 case GST_VIDEO_FORMAT_ENCODED:
1093 case GST_VIDEO_FORMAT_UNKNOWN:
1094 GST_ERROR ("invalid format");
1095 g_warning ("invalid format");
1103 * gst_video_info_convert:
1104 * @info: a #GstVideoInfo
1105 * @src_format: #GstFormat of the @src_value
1106 * @src_value: value to convert
1107 * @dest_format: #GstFormat of the @dest_value
1108 * @dest_value: (out): pointer to destination value
1110 * Converts among various #GstFormat types. This function handles
1111 * GST_FORMAT_BYTES, GST_FORMAT_TIME, and GST_FORMAT_DEFAULT. For
1112 * raw video, GST_FORMAT_DEFAULT corresponds to video frames. This
1113 * function can be used to handle pad queries of the type GST_QUERY_CONVERT.
1115 * Returns: TRUE if the conversion was successful.
1118 gst_video_info_convert (GstVideoInfo * info,
1119 GstFormat src_format, gint64 src_value,
1120 GstFormat dest_format, gint64 * dest_value)
1122 gboolean ret = FALSE;
1126 g_return_val_if_fail (info != NULL, 0);
1127 g_return_val_if_fail (info->finfo != NULL, 0);
1128 g_return_val_if_fail (info->finfo->format != GST_VIDEO_FORMAT_UNKNOWN, 0);
1129 g_return_val_if_fail (info->size > 0, 0);
1132 fps_n = info->fps_n;
1133 fps_d = info->fps_d;
1135 GST_DEBUG ("converting value %" G_GINT64_FORMAT " from %s to %s",
1136 src_value, gst_format_get_name (src_format),
1137 gst_format_get_name (dest_format));
1139 if (src_format == dest_format) {
1140 *dest_value = src_value;
1145 if (src_value == -1) {
1151 /* bytes to frames */
1152 if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_DEFAULT) {
1154 *dest_value = gst_util_uint64_scale (src_value, 1, size);
1156 GST_ERROR ("blocksize is 0");
1163 /* frames to bytes */
1164 if (src_format == GST_FORMAT_DEFAULT && dest_format == GST_FORMAT_BYTES) {
1165 *dest_value = gst_util_uint64_scale (src_value, size, 1);
1170 /* time to frames */
1171 if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_DEFAULT) {
1173 *dest_value = gst_util_uint64_scale (src_value,
1174 fps_n, GST_SECOND * fps_d);
1176 GST_ERROR ("framerate denominator is 0");
1183 /* frames to time */
1184 if (src_format == GST_FORMAT_DEFAULT && dest_format == GST_FORMAT_TIME) {
1186 *dest_value = gst_util_uint64_scale (src_value,
1187 GST_SECOND * fps_d, fps_n);
1189 GST_ERROR ("framerate numerator is 0");
1197 if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_BYTES) {
1199 *dest_value = gst_util_uint64_scale (src_value,
1200 fps_n * size, GST_SECOND * fps_d);
1202 GST_ERROR ("framerate denominator is 0");
1210 if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_TIME) {
1211 if (fps_n != 0 && size != 0) {
1212 *dest_value = gst_util_uint64_scale (src_value,
1213 GST_SECOND * fps_d, fps_n * size);
1215 GST_ERROR ("framerate denominator and/or blocksize is 0");
1223 GST_DEBUG ("ret=%d result %" G_GINT64_FORMAT, ret, *dest_value);
1229 * gst_video_info_align:
1230 * @info: a #GstVideoInfo
1231 * @align: alignment parameters
1233 * Adjust the offset and stride fields in @info so that the padding and
1234 * stride alignment in @align is respected.
1236 * Extra padding will be added to the right side when stride alignment padding
1237 * is required and @align will be updated with the new padding values.
1239 * Returns: %FALSE if alignment could not be applied, e.g. because the
1240 * size of a frame can't be represented as a 32 bit integer (Since: 1.12)
1243 gst_video_info_align (GstVideoInfo * info, GstVideoAlignment * align)
1245 const GstVideoFormatInfo *vinfo = info->finfo;
1247 gint padded_width, padded_height;
1251 width = GST_VIDEO_INFO_WIDTH (info);
1252 height = GST_VIDEO_INFO_HEIGHT (info);
1254 GST_LOG ("padding %u-%ux%u-%u", align->padding_top,
1255 align->padding_left, align->padding_right, align->padding_bottom);
1257 n_planes = GST_VIDEO_INFO_N_PLANES (info);
1259 if (GST_VIDEO_FORMAT_INFO_HAS_PALETTE (vinfo))
1262 /* first make sure the left padding does not cause alignment problems later */
1264 GST_LOG ("left padding %u", align->padding_left);
1266 for (i = 0; i < n_planes; i++) {
1269 /* this is the amout of pixels to add as left padding */
1270 hedge = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (vinfo, i, align->padding_left);
1271 hedge *= GST_VIDEO_FORMAT_INFO_PSTRIDE (vinfo, i);
1273 GST_LOG ("plane %d, padding %d, alignment %u", i, hedge,
1274 align->stride_align[i]);
1275 aligned &= (hedge & align->stride_align[i]) == 0;
1280 GST_LOG ("unaligned padding, increasing padding");
1281 /* increase padded_width */
1282 align->padding_left += align->padding_left & ~(align->padding_left - 1);
1285 /* add the padding */
1286 padded_width = width + align->padding_left + align->padding_right;
1287 padded_height = height + align->padding_top + align->padding_bottom;
1290 GST_LOG ("padded dimension %u-%u", padded_width, padded_height);
1292 info->width = padded_width;
1293 info->height = padded_height;
1295 if (!fill_planes (info))
1298 /* check alignment */
1300 for (i = 0; i < n_planes; i++) {
1301 GST_LOG ("plane %d, stride %d, alignment %u", i, info->stride[i],
1302 align->stride_align[i]);
1303 aligned &= (info->stride[i] & align->stride_align[i]) == 0;
1308 GST_LOG ("unaligned strides, increasing dimension");
1309 /* increase padded_width */
1310 padded_width += padded_width & ~(padded_width - 1);
1313 align->padding_right = padded_width - width - align->padding_left;
1315 info->width = width;
1316 info->height = height;
1318 for (i = 0; i < n_planes; i++) {
1319 gint vedge, hedge, comp;
1321 /* Find the component for this plane, FIXME, we assume the plane number and
1322 * component number is the same for now, for scaling the dimensions this is
1323 * currently true for all formats but it might not be when adding new
1324 * formats. We might need to add a plane subsamling in the format info to
1325 * make this more generic or maybe use a plane -> component mapping. */
1329 GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (vinfo, comp, align->padding_left);
1331 GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (vinfo, comp, align->padding_top);
1333 GST_DEBUG ("plane %d: comp: %d, hedge %d vedge %d align %d stride %d", i,
1334 comp, hedge, vedge, align->stride_align[i], info->stride[i]);
1336 info->offset[i] += (vedge * info->stride[i]) +
1337 (hedge * GST_VIDEO_FORMAT_INFO_PSTRIDE (vinfo, comp));