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601b1f640b
Original commit message from CVS: * sys/glsink/Makefile.am: * sys/glsink/glimagesink.c: * sys/glsink/glvideo.c: * sys/glsink/glvideo.h: * sys/glsink/gstvideo-common.c: * sys/glsink/gstvideo-common.h: Add support for xRGB, xBGR, and AYUV. Re-add support for power-of-2 textures.
604 lines
15 KiB
C
604 lines
15 KiB
C
/* gstvideo-common.c
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* Copyright (C) 2007 David A. Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gstvideo-common.h>
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gboolean
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gst_video_parse_caps (GstCaps * caps, GstVideoFormat * format, int *width,
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int *height)
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{
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GstStructure *structure;
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gboolean ok = TRUE;
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if (!gst_caps_is_fixed (caps))
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return FALSE;
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structure = gst_caps_get_structure (caps, 0);
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if (format) {
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if (gst_structure_has_name (structure, "video/x-raw-yuv")) {
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guint32 fourcc;
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ok &= gst_structure_get_fourcc (structure, "format", &fourcc);
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*format = gst_video_fourcc_to_format (fourcc);
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if (*format == GST_VIDEO_FORMAT_UNKNOWN) {
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ok = FALSE;
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}
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} else if (gst_structure_has_name (structure, "video/x-raw-rgb")) {
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int depth;
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int bpp;
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int endianness;
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int red_mask;
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int green_mask;
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int blue_mask;
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ok &= gst_structure_get_int (structure, "depth", &depth);
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ok &= gst_structure_get_int (structure, "bpp", &bpp);
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ok &= gst_structure_get_int (structure, "endianness", &endianness);
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ok &= gst_structure_get_int (structure, "red_mask", &red_mask);
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ok &= gst_structure_get_int (structure, "green_mask", &green_mask);
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ok &= gst_structure_get_int (structure, "blue_mask", &blue_mask);
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if (depth != 24 || bpp != 32 || endianness != G_BIG_ENDIAN) {
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ok = FALSE;
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} else {
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*format = gst_video_rgb32_masks_to_format (red_mask, green_mask,
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blue_mask);
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if (*format == GST_VIDEO_FORMAT_UNKNOWN) {
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ok = FALSE;
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}
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}
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} else {
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ok = FALSE;
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}
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}
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if (width) {
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ok &= gst_structure_get_int (structure, "width", width);
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}
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if (height) {
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ok &= gst_structure_get_int (structure, "height", height);
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}
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return ok;
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}
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gboolean
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gst_video_parse_caps_framerate (GstCaps * caps, int *fps_n, int *fps_d)
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{
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GstStructure *structure;
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if (!gst_caps_is_fixed (caps))
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return FALSE;
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structure = gst_caps_get_structure (caps, 0);
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return gst_structure_get_fraction (structure, "framerate", fps_n, fps_d);
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}
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gboolean
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gst_video_parse_caps_pixel_aspect_ratio (GstCaps * caps, int *par_n, int *par_d)
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{
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GstStructure *structure;
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if (!gst_caps_is_fixed (caps))
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return FALSE;
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structure = gst_caps_get_structure (caps, 0);
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if (!gst_structure_get_fraction (structure, "pixel-aspect-ratio",
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par_n, par_d)) {
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*par_n = 1;
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*par_d = 1;
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}
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return TRUE;
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}
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GstCaps *
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gst_video_create_caps (GstVideoFormat format, int width, int height,
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int framerate_n, int framerate_d, int par_n, int par_d)
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{
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if (gst_video_format_is_yuv (format)) {
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return gst_caps_new_simple ("video/x-raw-yuv",
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"format", GST_TYPE_FOURCC, gst_video_format_to_fourcc (format),
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"width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height,
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"framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
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"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
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}
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if (gst_video_format_is_rgb (format)) {
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int red_mask;
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int blue_mask;
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int green_mask;
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red_mask =
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0xff000000U >> gst_video_format_get_component_offset (format, 0, width,
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height);
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green_mask =
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0xff000000U >> gst_video_format_get_component_offset (format, 1, width,
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height);
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blue_mask =
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0xff000000U >> gst_video_format_get_component_offset (format, 2, width,
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height);
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return gst_caps_new_simple ("video/x-raw-rgb",
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"bpp", G_TYPE_INT, 32,
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"depth", G_TYPE_INT, 24,
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"endianness", G_TYPE_INT, G_BIG_ENDIAN,
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"red_mask", G_TYPE_INT, red_mask,
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"green_mask", G_TYPE_INT, green_mask,
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"blue_mask", G_TYPE_INT, blue_mask,
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"width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height,
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"framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
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"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
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}
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return NULL;
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}
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GstVideoFormat
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gst_video_fourcc_to_format (guint32 fourcc)
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{
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switch (fourcc) {
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case GST_MAKE_FOURCC ('I', '4', '2', '0'):
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return GST_VIDEO_FORMAT_I420;
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case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
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return GST_VIDEO_FORMAT_YV12;
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case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
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return GST_VIDEO_FORMAT_YUY2;
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case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
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return GST_VIDEO_FORMAT_UYVY;
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case GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'):
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return GST_VIDEO_FORMAT_AYUV;
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default:
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return GST_VIDEO_FORMAT_UNKNOWN;
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}
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}
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guint32
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gst_video_format_to_fourcc (GstVideoFormat format)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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return GST_MAKE_FOURCC ('I', '4', '2', '0');
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case GST_VIDEO_FORMAT_YV12:
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return GST_MAKE_FOURCC ('Y', 'V', '1', '2');
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case GST_VIDEO_FORMAT_YUY2:
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return GST_MAKE_FOURCC ('Y', 'U', 'Y', '2');
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case GST_VIDEO_FORMAT_UYVY:
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return GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
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case GST_VIDEO_FORMAT_AYUV:
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return GST_MAKE_FOURCC ('A', 'Y', 'U', 'V');
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default:
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return 0;
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}
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}
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GstVideoFormat
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gst_video_rgb32_masks_to_format (int red_mask, int green_mask, int blue_mask)
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{
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if (red_mask == 0xff000000 && green_mask == 0x00ff0000 &&
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blue_mask == 0x0000ff00) {
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return GST_VIDEO_FORMAT_RGBx;
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}
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if (red_mask == 0x0000ff00 && green_mask == 0x00ff0000 &&
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blue_mask == 0xff000000) {
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return GST_VIDEO_FORMAT_BGRx;
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}
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if (red_mask == 0x00ff0000 && green_mask == 0x0000ff00 &&
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blue_mask == 0x000000ff) {
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return GST_VIDEO_FORMAT_xRGB;
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}
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if (red_mask == 0x000000ff && green_mask == 0x0000ff00 &&
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blue_mask == 0x00ff0000) {
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return GST_VIDEO_FORMAT_xBGR;
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}
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return GST_VIDEO_FORMAT_UNKNOWN;
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}
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gboolean
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gst_video_format_is_rgb (GstVideoFormat format)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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case GST_VIDEO_FORMAT_AYUV:
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return FALSE;
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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return TRUE;
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default:
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return FALSE;
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}
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}
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gboolean
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gst_video_format_is_yuv (GstVideoFormat format)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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case GST_VIDEO_FORMAT_AYUV:
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return TRUE;
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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return FALSE;
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default:
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return FALSE;
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}
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}
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gboolean
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gst_video_format_has_alpha (GstVideoFormat format)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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return FALSE;
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case GST_VIDEO_FORMAT_AYUV:
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return TRUE;
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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return FALSE;
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default:
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return FALSE;
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}
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}
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int
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gst_video_format_get_row_stride (GstVideoFormat format, int component,
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int width)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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if (component == 0) {
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return GST_ROUND_UP_4 (width);
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} else {
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return GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2);
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}
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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return GST_ROUND_UP_4 (width * 2);
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case GST_VIDEO_FORMAT_AYUV:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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return width * 4;
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default:
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return 0;
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}
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}
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int
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gst_video_format_get_pixel_stride (GstVideoFormat format, int component)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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return 1;
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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if (component == 0) {
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return 2;
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} else {
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return 4;
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}
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case GST_VIDEO_FORMAT_AYUV:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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return 4;
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default:
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return 0;
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}
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}
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int
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gst_video_format_get_component_width (GstVideoFormat format, int component,
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int width)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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if (component == 0) {
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return width;
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} else {
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return GST_ROUND_UP_2 (width) / 2;
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}
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case GST_VIDEO_FORMAT_AYUV:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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return width;
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default:
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return 0;
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}
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}
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int
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gst_video_format_get_component_height (GstVideoFormat format, int component,
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int height)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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if (component == 0) {
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return height;
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} else {
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return GST_ROUND_UP_2 (height) / 2;
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}
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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case GST_VIDEO_FORMAT_AYUV:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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return height;
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default:
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return 0;
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}
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}
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int
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gst_video_format_get_component_offset (GstVideoFormat format, int component,
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int width, int height)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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if (component == 0) {
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return 0;
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} else {
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int offset;
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offset = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
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if (component == 2) {
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offset += GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
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(GST_ROUND_UP_2 (height) / 2);
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}
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return offset;
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}
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case GST_VIDEO_FORMAT_YUY2:
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if (component == 0)
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return 0;
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if (component == 1)
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return 1;
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if (component == 2)
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return 3;
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return 0;
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case GST_VIDEO_FORMAT_UYVY:
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if (component == 0)
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return 1;
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if (component == 1)
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return 0;
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if (component == 2)
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return 2;
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return 0;
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case GST_VIDEO_FORMAT_AYUV:
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if (component == 0)
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return 1;
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if (component == 1)
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return 2;
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if (component == 2)
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return 3;
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if (component == 3)
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return 0;
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return 0;
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case GST_VIDEO_FORMAT_RGBx:
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if (component == 0)
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return 0;
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if (component == 1)
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return 1;
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if (component == 2)
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return 2;
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if (component == 3)
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return 3;
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return 0;
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case GST_VIDEO_FORMAT_BGRx:
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if (component == 0)
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return 2;
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if (component == 1)
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return 1;
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if (component == 2)
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return 0;
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if (component == 3)
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return 3;
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return 0;
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case GST_VIDEO_FORMAT_xRGB:
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if (component == 0)
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return 1;
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if (component == 1)
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return 2;
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if (component == 2)
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return 3;
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if (component == 3)
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return 0;
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return 0;
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case GST_VIDEO_FORMAT_xBGR:
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if (component == 0)
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return 3;
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if (component == 1)
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return 2;
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if (component == 2)
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return 1;
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if (component == 3)
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return 0;
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return 0;
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default:
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return 0;
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}
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}
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int
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gst_video_format_get_size (GstVideoFormat format, int width, int height)
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{
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int size;
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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size = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
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size += GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
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(GST_ROUND_UP_2 (height) / 2) * 2;
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return size;
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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return GST_ROUND_UP_4 (width * 2) * height;
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case GST_VIDEO_FORMAT_AYUV:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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return width * 4 * height;
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default:
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return 0;
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}
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}
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gboolean
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gst_video_convert (GstVideoFormat format, int width, int height,
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int fps_n, int fps_d,
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GstFormat src_format, gint64 src_value,
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GstFormat dest_format, gint64 * dest_value)
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{
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gboolean ret = FALSE;
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int size;
|
|
|
|
size = gst_video_format_get_size (format, width, height);
|
|
|
|
GST_DEBUG ("converting value %" G_GINT64_FORMAT " from %s to %s",
|
|
src_value, gst_format_get_name (src_format),
|
|
gst_format_get_name (dest_format));
|
|
|
|
if (src_format == dest_format) {
|
|
*dest_value = src_value;
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
|
|
if (src_value == -1) {
|
|
*dest_value = -1;
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
|
|
/* bytes to frames */
|
|
if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_DEFAULT) {
|
|
if (size != 0) {
|
|
*dest_value = gst_util_uint64_scale_int (src_value, 1, size);
|
|
} else {
|
|
GST_ERROR ("blocksize is 0");
|
|
*dest_value = 0;
|
|
}
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
|
|
/* frames to bytes */
|
|
if (src_format == GST_FORMAT_DEFAULT && dest_format == GST_FORMAT_BYTES) {
|
|
*dest_value = gst_util_uint64_scale_int (src_value, size, 1);
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
|
|
/* time to frames */
|
|
if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_DEFAULT) {
|
|
if (fps_d != 0) {
|
|
*dest_value = gst_util_uint64_scale (src_value,
|
|
fps_n, GST_SECOND * fps_d);
|
|
} else {
|
|
GST_ERROR ("framerate denominator is 0");
|
|
*dest_value = 0;
|
|
}
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
|
|
/* frames to time */
|
|
if (src_format == GST_FORMAT_DEFAULT && dest_format == GST_FORMAT_TIME) {
|
|
if (fps_n != 0) {
|
|
*dest_value = gst_util_uint64_scale (src_value,
|
|
GST_SECOND * fps_d, fps_n);
|
|
} else {
|
|
GST_ERROR ("framerate numerator is 0");
|
|
*dest_value = 0;
|
|
}
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
|
|
/* time to bytes */
|
|
if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_BYTES) {
|
|
if (fps_d != 0) {
|
|
*dest_value = gst_util_uint64_scale (src_value,
|
|
fps_n * size, GST_SECOND * fps_d);
|
|
} else {
|
|
GST_ERROR ("framerate denominator is 0");
|
|
*dest_value = 0;
|
|
}
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
|
|
/* bytes to time */
|
|
if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_TIME) {
|
|
if (fps_n != 0 && size != 0) {
|
|
*dest_value = gst_util_uint64_scale (src_value,
|
|
GST_SECOND * fps_d, fps_n * size);
|
|
} else {
|
|
GST_ERROR ("framerate denominator and/or blocksize is 0");
|
|
*dest_value = 0;
|
|
}
|
|
ret = TRUE;
|
|
}
|
|
|
|
done:
|
|
|
|
GST_DEBUG ("ret=%d result %" G_GINT64_FORMAT, ret, *dest_value);
|
|
|
|
return ret;
|
|
}
|