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 case GST_VIDEO_FORMAT_Y410:
766 info->stride[0] = width * 4;
768 info->size = info->stride[0] * height;
770 case GST_VIDEO_FORMAT_RGB16:
771 case GST_VIDEO_FORMAT_BGR16:
772 case GST_VIDEO_FORMAT_RGB15:
773 case GST_VIDEO_FORMAT_BGR15:
774 info->stride[0] = GST_ROUND_UP_4 (width * 2);
776 info->size = info->stride[0] * height;
778 case GST_VIDEO_FORMAT_RGB:
779 case GST_VIDEO_FORMAT_BGR:
780 case GST_VIDEO_FORMAT_v308:
781 case GST_VIDEO_FORMAT_IYU2:
782 info->stride[0] = GST_ROUND_UP_4 (width * 3);
784 info->size = info->stride[0] * height;
786 case GST_VIDEO_FORMAT_v210:
787 info->stride[0] = ((width + 47) / 48) * 128;
789 info->size = info->stride[0] * height;
791 case GST_VIDEO_FORMAT_v216:
792 case GST_VIDEO_FORMAT_Y210:
793 info->stride[0] = GST_ROUND_UP_8 (width * 4);
795 info->size = info->stride[0] * height;
797 case GST_VIDEO_FORMAT_GRAY8:
798 info->stride[0] = GST_ROUND_UP_4 (width);
800 info->size = info->stride[0] * height;
802 case GST_VIDEO_FORMAT_GRAY16_BE:
803 case GST_VIDEO_FORMAT_GRAY16_LE:
804 info->stride[0] = GST_ROUND_UP_4 (width * 2);
806 info->size = info->stride[0] * height;
808 case GST_VIDEO_FORMAT_UYVP:
809 info->stride[0] = GST_ROUND_UP_4 ((width * 2 * 5 + 3) / 4);
811 info->size = info->stride[0] * height;
813 case GST_VIDEO_FORMAT_RGB8P:
814 info->stride[0] = GST_ROUND_UP_4 (width);
817 info->offset[1] = info->stride[0] * height;
818 info->size = info->offset[1] + (4 * 256);
820 case GST_VIDEO_FORMAT_IYU1:
821 info->stride[0] = GST_ROUND_UP_4 (GST_ROUND_UP_4 (width) +
822 GST_ROUND_UP_4 (width) / 2);
824 info->size = info->stride[0] * height;
826 case GST_VIDEO_FORMAT_ARGB64:
827 case GST_VIDEO_FORMAT_AYUV64:
828 info->stride[0] = width * 8;
830 info->size = info->stride[0] * height;
832 case GST_VIDEO_FORMAT_I420:
833 case GST_VIDEO_FORMAT_YV12: /* same as I420, but plane 1+2 swapped */
834 info->stride[0] = GST_ROUND_UP_4 (width);
835 info->stride[1] = GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2);
836 info->stride[2] = info->stride[1];
838 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
839 cr_h = GST_ROUND_UP_2 (height) / 2;
840 if (GST_VIDEO_INFO_IS_INTERLACED (info))
841 cr_h = GST_ROUND_UP_2 (cr_h);
842 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
843 info->size = info->offset[2] + info->stride[2] * cr_h;
845 case GST_VIDEO_FORMAT_Y41B:
846 info->stride[0] = GST_ROUND_UP_4 (width);
847 info->stride[1] = GST_ROUND_UP_16 (width) / 4;
848 info->stride[2] = info->stride[1];
850 info->offset[1] = info->stride[0] * height;
851 info->offset[2] = info->offset[1] + info->stride[1] * height;
852 /* simplification of ROUNDUP4(w)*h + 2*((ROUNDUP16(w)/4)*h */
853 info->size = (info->stride[0] + (GST_ROUND_UP_16 (width) / 2)) * height;
855 case GST_VIDEO_FORMAT_Y42B:
856 info->stride[0] = GST_ROUND_UP_4 (width);
857 info->stride[1] = GST_ROUND_UP_8 (width) / 2;
858 info->stride[2] = info->stride[1];
860 info->offset[1] = info->stride[0] * height;
861 info->offset[2] = info->offset[1] + info->stride[1] * height;
862 /* simplification of ROUNDUP4(w)*h + 2*(ROUNDUP8(w)/2)*h */
863 info->size = (info->stride[0] + GST_ROUND_UP_8 (width)) * height;
865 case GST_VIDEO_FORMAT_Y444:
866 case GST_VIDEO_FORMAT_GBR:
867 info->stride[0] = GST_ROUND_UP_4 (width);
868 info->stride[1] = info->stride[0];
869 info->stride[2] = info->stride[0];
871 info->offset[1] = info->stride[0] * height;
872 info->offset[2] = info->offset[1] * 2;
873 info->size = info->stride[0] * height * 3;
875 case GST_VIDEO_FORMAT_GBRA:
876 info->stride[0] = GST_ROUND_UP_4 (width);
877 info->stride[1] = info->stride[0];
878 info->stride[2] = info->stride[0];
879 info->stride[3] = info->stride[0];
881 info->offset[1] = info->stride[0] * height;
882 info->offset[2] = info->offset[1] * 2;
883 info->offset[3] = info->offset[1] * 3;
884 info->size = info->stride[0] * height * 4;
886 case GST_VIDEO_FORMAT_NV12:
887 case GST_VIDEO_FORMAT_NV21:
888 info->stride[0] = GST_ROUND_UP_4 (width);
889 info->stride[1] = info->stride[0];
891 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
892 cr_h = GST_ROUND_UP_2 (height) / 2;
893 if (GST_VIDEO_INFO_IS_INTERLACED (info))
894 cr_h = GST_ROUND_UP_2 (cr_h);
895 info->size = info->offset[1] + info->stride[0] * cr_h;
897 case GST_VIDEO_FORMAT_NV16:
898 case GST_VIDEO_FORMAT_NV61:
899 info->stride[0] = GST_ROUND_UP_4 (width);
900 info->stride[1] = info->stride[0];
902 info->offset[1] = info->stride[0] * height;
903 info->size = info->stride[0] * height * 2;
905 case GST_VIDEO_FORMAT_NV24:
906 info->stride[0] = GST_ROUND_UP_4 (width);
907 info->stride[1] = GST_ROUND_UP_4 (width * 2);
909 info->offset[1] = info->stride[0] * height;
910 info->size = info->stride[0] * height + info->stride[1] * height;
912 case GST_VIDEO_FORMAT_A420:
913 info->stride[0] = GST_ROUND_UP_4 (width);
914 info->stride[1] = GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2);
915 info->stride[2] = info->stride[1];
916 info->stride[3] = info->stride[0];
918 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
919 cr_h = GST_ROUND_UP_2 (height) / 2;
920 if (GST_VIDEO_INFO_IS_INTERLACED (info))
921 cr_h = GST_ROUND_UP_2 (cr_h);
922 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
923 info->offset[3] = info->offset[2] + info->stride[2] * cr_h;
924 info->size = info->offset[3] + info->stride[0] * GST_ROUND_UP_2 (height);
926 case GST_VIDEO_FORMAT_YUV9:
927 case GST_VIDEO_FORMAT_YVU9:
928 info->stride[0] = GST_ROUND_UP_4 (width);
929 info->stride[1] = GST_ROUND_UP_4 (GST_ROUND_UP_4 (width) / 4);
930 info->stride[2] = info->stride[1];
932 info->offset[1] = info->stride[0] * height;
933 cr_h = GST_ROUND_UP_4 (height) / 4;
934 if (GST_VIDEO_INFO_IS_INTERLACED (info))
935 cr_h = GST_ROUND_UP_2 (cr_h);
936 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
937 info->size = info->offset[2] + info->stride[2] * cr_h;
939 case GST_VIDEO_FORMAT_I420_10LE:
940 case GST_VIDEO_FORMAT_I420_10BE:
941 case GST_VIDEO_FORMAT_I420_12LE:
942 case GST_VIDEO_FORMAT_I420_12BE:
943 info->stride[0] = GST_ROUND_UP_4 (width * 2);
944 info->stride[1] = GST_ROUND_UP_4 (width);
945 info->stride[2] = info->stride[1];
947 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
948 cr_h = GST_ROUND_UP_2 (height) / 2;
949 if (GST_VIDEO_INFO_IS_INTERLACED (info))
950 cr_h = GST_ROUND_UP_2 (cr_h);
951 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
952 info->size = info->offset[2] + info->stride[2] * cr_h;
954 case GST_VIDEO_FORMAT_I422_10LE:
955 case GST_VIDEO_FORMAT_I422_10BE:
956 case GST_VIDEO_FORMAT_I422_12LE:
957 case GST_VIDEO_FORMAT_I422_12BE:
958 info->stride[0] = GST_ROUND_UP_4 (width * 2);
959 info->stride[1] = GST_ROUND_UP_4 (width);
960 info->stride[2] = info->stride[1];
962 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
963 info->offset[2] = info->offset[1] +
964 info->stride[1] * GST_ROUND_UP_2 (height);
965 info->size = info->offset[2] + info->stride[2] * GST_ROUND_UP_2 (height);
967 case GST_VIDEO_FORMAT_Y444_10LE:
968 case GST_VIDEO_FORMAT_Y444_10BE:
969 case GST_VIDEO_FORMAT_Y444_12LE:
970 case GST_VIDEO_FORMAT_Y444_12BE:
971 case GST_VIDEO_FORMAT_GBR_10LE:
972 case GST_VIDEO_FORMAT_GBR_10BE:
973 case GST_VIDEO_FORMAT_GBR_12LE:
974 case GST_VIDEO_FORMAT_GBR_12BE:
975 info->stride[0] = GST_ROUND_UP_4 (width * 2);
976 info->stride[1] = info->stride[0];
977 info->stride[2] = info->stride[0];
979 info->offset[1] = info->stride[0] * height;
980 info->offset[2] = info->offset[1] * 2;
981 info->size = info->stride[0] * height * 3;
983 case GST_VIDEO_FORMAT_GBRA_10LE:
984 case GST_VIDEO_FORMAT_GBRA_10BE:
985 case GST_VIDEO_FORMAT_GBRA_12LE:
986 case GST_VIDEO_FORMAT_GBRA_12BE:
987 info->stride[0] = GST_ROUND_UP_4 (width * 2);
988 info->stride[1] = info->stride[0];
989 info->stride[2] = info->stride[0];
990 info->stride[3] = info->stride[0];
992 info->offset[1] = info->stride[0] * height;
993 info->offset[2] = info->offset[1] * 2;
994 info->offset[3] = info->offset[1] * 3;
995 info->size = info->stride[0] * height * 4;
997 case GST_VIDEO_FORMAT_NV12_64Z32:
999 GST_VIDEO_TILE_MAKE_STRIDE (GST_ROUND_UP_128 (width) / 64,
1000 GST_ROUND_UP_32 (height) / 32);
1002 GST_VIDEO_TILE_MAKE_STRIDE (GST_ROUND_UP_128 (width) / 64,
1003 GST_ROUND_UP_64 (height) / 64);
1004 info->offset[0] = 0;
1005 info->offset[1] = GST_ROUND_UP_128 (width) * GST_ROUND_UP_32 (height);
1006 info->size = info->offset[1] +
1007 GST_ROUND_UP_128 (width) * GST_ROUND_UP_64 (height) / 2;
1009 case GST_VIDEO_FORMAT_A420_10LE:
1010 case GST_VIDEO_FORMAT_A420_10BE:
1011 info->stride[0] = GST_ROUND_UP_4 (width * 2);
1012 info->stride[1] = GST_ROUND_UP_4 (width);
1013 info->stride[2] = info->stride[1];
1014 info->stride[3] = info->stride[0];
1015 info->offset[0] = 0;
1016 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1017 cr_h = GST_ROUND_UP_2 (height) / 2;
1018 if (GST_VIDEO_INFO_IS_INTERLACED (info))
1019 cr_h = GST_ROUND_UP_2 (cr_h);
1020 info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
1021 info->offset[3] = info->offset[2] + info->stride[2] * cr_h;
1022 info->size = info->offset[3] + info->stride[0] * GST_ROUND_UP_2 (height);
1024 case GST_VIDEO_FORMAT_A422_10LE:
1025 case GST_VIDEO_FORMAT_A422_10BE:
1026 info->stride[0] = GST_ROUND_UP_4 (width * 2);
1027 info->stride[1] = GST_ROUND_UP_4 (width);
1028 info->stride[2] = info->stride[1];
1029 info->stride[3] = info->stride[0];
1030 info->offset[0] = 0;
1031 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1032 info->offset[2] = info->offset[1] +
1033 info->stride[1] * GST_ROUND_UP_2 (height);
1035 info->offset[2] + info->stride[2] * GST_ROUND_UP_2 (height);
1036 info->size = info->offset[3] + info->stride[0] * GST_ROUND_UP_2 (height);
1038 case GST_VIDEO_FORMAT_A444_10LE:
1039 case GST_VIDEO_FORMAT_A444_10BE:
1040 info->stride[0] = GST_ROUND_UP_4 (width * 2);
1041 info->stride[1] = info->stride[0];
1042 info->stride[2] = info->stride[0];
1043 info->stride[3] = info->stride[0];
1044 info->offset[0] = 0;
1045 info->offset[1] = info->stride[0] * height;
1046 info->offset[2] = info->offset[1] * 2;
1047 info->offset[3] = info->offset[1] * 3;
1048 info->size = info->stride[0] * height * 4;
1050 case GST_VIDEO_FORMAT_P010_10LE:
1051 case GST_VIDEO_FORMAT_P010_10BE:
1052 info->stride[0] = GST_ROUND_UP_4 (width * 2);
1053 info->stride[1] = info->stride[0];
1054 info->offset[0] = 0;
1055 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1056 cr_h = GST_ROUND_UP_2 (height) / 2;
1057 info->size = info->offset[1] + info->stride[0] * cr_h;
1059 case GST_VIDEO_FORMAT_GRAY10_LE32:
1060 info->stride[0] = (width + 2) / 3 * 4;
1061 info->offset[0] = 0;
1062 info->size = info->stride[0] * GST_ROUND_UP_2 (height);
1064 case GST_VIDEO_FORMAT_NV12_10LE32:
1065 info->stride[0] = (width + 2) / 3 * 4;
1066 info->stride[1] = info->stride[0];
1067 info->offset[0] = 0;
1068 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1069 cr_h = GST_ROUND_UP_2 (height) / 2;
1070 if (GST_VIDEO_INFO_IS_INTERLACED (info))
1071 cr_h = GST_ROUND_UP_2 (cr_h);
1072 info->size = info->offset[1] + info->stride[0] * cr_h;
1074 case GST_VIDEO_FORMAT_NV16_10LE32:
1075 info->stride[0] = (width + 2) / 3 * 4;
1076 info->stride[1] = info->stride[0];
1077 info->offset[0] = 0;
1078 info->offset[1] = info->stride[0] * height;
1079 info->size = info->stride[0] * height * 2;
1081 case GST_VIDEO_FORMAT_NV12_10LE40:
1082 info->stride[0] = ((width * 5 >> 2) + 4) / 5 * 5;
1083 info->stride[1] = info->stride[0];
1084 info->offset[0] = 0;
1085 info->offset[1] = info->stride[0] * GST_ROUND_UP_2 (height);
1086 cr_h = GST_ROUND_UP_2 (height) / 2;
1087 if (GST_VIDEO_INFO_IS_INTERLACED (info))
1088 cr_h = GST_ROUND_UP_2 (cr_h);
1089 info->size = info->offset[1] + info->stride[0] * cr_h;
1092 case GST_VIDEO_FORMAT_ENCODED:
1094 case GST_VIDEO_FORMAT_UNKNOWN:
1095 GST_ERROR ("invalid format");
1096 g_warning ("invalid format");
1104 * gst_video_info_convert:
1105 * @info: a #GstVideoInfo
1106 * @src_format: #GstFormat of the @src_value
1107 * @src_value: value to convert
1108 * @dest_format: #GstFormat of the @dest_value
1109 * @dest_value: (out): pointer to destination value
1111 * Converts among various #GstFormat types. This function handles
1112 * GST_FORMAT_BYTES, GST_FORMAT_TIME, and GST_FORMAT_DEFAULT. For
1113 * raw video, GST_FORMAT_DEFAULT corresponds to video frames. This
1114 * function can be used to handle pad queries of the type GST_QUERY_CONVERT.
1116 * Returns: TRUE if the conversion was successful.
1119 gst_video_info_convert (GstVideoInfo * info,
1120 GstFormat src_format, gint64 src_value,
1121 GstFormat dest_format, gint64 * dest_value)
1123 gboolean ret = FALSE;
1127 g_return_val_if_fail (info != NULL, 0);
1128 g_return_val_if_fail (info->finfo != NULL, 0);
1129 g_return_val_if_fail (info->finfo->format != GST_VIDEO_FORMAT_UNKNOWN, 0);
1130 g_return_val_if_fail (info->size > 0, 0);
1133 fps_n = info->fps_n;
1134 fps_d = info->fps_d;
1136 GST_DEBUG ("converting value %" G_GINT64_FORMAT " from %s to %s",
1137 src_value, gst_format_get_name (src_format),
1138 gst_format_get_name (dest_format));
1140 if (src_format == dest_format) {
1141 *dest_value = src_value;
1146 if (src_value == -1) {
1152 /* bytes to frames */
1153 if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_DEFAULT) {
1155 *dest_value = gst_util_uint64_scale (src_value, 1, size);
1157 GST_ERROR ("blocksize is 0");
1164 /* frames to bytes */
1165 if (src_format == GST_FORMAT_DEFAULT && dest_format == GST_FORMAT_BYTES) {
1166 *dest_value = gst_util_uint64_scale (src_value, size, 1);
1171 /* time to frames */
1172 if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_DEFAULT) {
1174 *dest_value = gst_util_uint64_scale (src_value,
1175 fps_n, GST_SECOND * fps_d);
1177 GST_ERROR ("framerate denominator is 0");
1184 /* frames to time */
1185 if (src_format == GST_FORMAT_DEFAULT && dest_format == GST_FORMAT_TIME) {
1187 *dest_value = gst_util_uint64_scale (src_value,
1188 GST_SECOND * fps_d, fps_n);
1190 GST_ERROR ("framerate numerator is 0");
1198 if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_BYTES) {
1200 *dest_value = gst_util_uint64_scale (src_value,
1201 fps_n * size, GST_SECOND * fps_d);
1203 GST_ERROR ("framerate denominator is 0");
1211 if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_TIME) {
1212 if (fps_n != 0 && size != 0) {
1213 *dest_value = gst_util_uint64_scale (src_value,
1214 GST_SECOND * fps_d, fps_n * size);
1216 GST_ERROR ("framerate denominator and/or blocksize is 0");
1224 GST_DEBUG ("ret=%d result %" G_GINT64_FORMAT, ret, *dest_value);
1230 * gst_video_info_align:
1231 * @info: a #GstVideoInfo
1232 * @align: alignment parameters
1234 * Adjust the offset and stride fields in @info so that the padding and
1235 * stride alignment in @align is respected.
1237 * Extra padding will be added to the right side when stride alignment padding
1238 * is required and @align will be updated with the new padding values.
1240 * Returns: %FALSE if alignment could not be applied, e.g. because the
1241 * size of a frame can't be represented as a 32 bit integer (Since: 1.12)
1244 gst_video_info_align (GstVideoInfo * info, GstVideoAlignment * align)
1246 const GstVideoFormatInfo *vinfo = info->finfo;
1248 gint padded_width, padded_height;
1252 width = GST_VIDEO_INFO_WIDTH (info);
1253 height = GST_VIDEO_INFO_HEIGHT (info);
1255 GST_LOG ("padding %u-%ux%u-%u", align->padding_top,
1256 align->padding_left, align->padding_right, align->padding_bottom);
1258 n_planes = GST_VIDEO_INFO_N_PLANES (info);
1260 if (GST_VIDEO_FORMAT_INFO_HAS_PALETTE (vinfo))
1263 /* first make sure the left padding does not cause alignment problems later */
1265 GST_LOG ("left padding %u", align->padding_left);
1267 for (i = 0; i < n_planes; i++) {
1270 /* this is the amout of pixels to add as left padding */
1271 hedge = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (vinfo, i, align->padding_left);
1272 hedge *= GST_VIDEO_FORMAT_INFO_PSTRIDE (vinfo, i);
1274 GST_LOG ("plane %d, padding %d, alignment %u", i, hedge,
1275 align->stride_align[i]);
1276 aligned &= (hedge & align->stride_align[i]) == 0;
1281 GST_LOG ("unaligned padding, increasing padding");
1282 /* increase padded_width */
1283 align->padding_left += align->padding_left & ~(align->padding_left - 1);
1286 /* add the padding */
1287 padded_width = width + align->padding_left + align->padding_right;
1288 padded_height = height + align->padding_top + align->padding_bottom;
1291 GST_LOG ("padded dimension %u-%u", padded_width, padded_height);
1293 info->width = padded_width;
1294 info->height = padded_height;
1296 if (!fill_planes (info))
1299 /* check alignment */
1301 for (i = 0; i < n_planes; i++) {
1302 GST_LOG ("plane %d, stride %d, alignment %u", i, info->stride[i],
1303 align->stride_align[i]);
1304 aligned &= (info->stride[i] & align->stride_align[i]) == 0;
1309 GST_LOG ("unaligned strides, increasing dimension");
1310 /* increase padded_width */
1311 padded_width += padded_width & ~(padded_width - 1);
1314 align->padding_right = padded_width - width - align->padding_left;
1316 info->width = width;
1317 info->height = height;
1319 for (i = 0; i < n_planes; i++) {
1320 gint vedge, hedge, comp;
1322 /* Find the component for this plane, FIXME, we assume the plane number and
1323 * component number is the same for now, for scaling the dimensions this is
1324 * currently true for all formats but it might not be when adding new
1325 * formats. We might need to add a plane subsamling in the format info to
1326 * make this more generic or maybe use a plane -> component mapping. */
1330 GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (vinfo, comp, align->padding_left);
1332 GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (vinfo, comp, align->padding_top);
1334 GST_DEBUG ("plane %d: comp: %d, hedge %d vedge %d align %d stride %d", i,
1335 comp, hedge, vedge, align->stride_align[i], info->stride[i]);
1337 info->offset[i] += (vedge * info->stride[i]) +
1338 (hedge * GST_VIDEO_FORMAT_INFO_PSTRIDE (vinfo, comp));