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-rw-r--r--sys/glsink/gstvideo-common.c604
1 files changed, 0 insertions, 604 deletions
diff --git a/sys/glsink/gstvideo-common.c b/sys/glsink/gstvideo-common.c
deleted file mode 100644
index 4e42c115..00000000
--- a/sys/glsink/gstvideo-common.c
+++ /dev/null
@@ -1,604 +0,0 @@
-/* gstvideo-common.c
- * Copyright (C) 2007 David A. Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gstvideo-common.h>
-
-
-gboolean
-gst_video_parse_caps (GstCaps * caps, GstVideoFormat * format, int *width,
- int *height)
-{
- GstStructure *structure;
- gboolean ok = TRUE;
-
- if (!gst_caps_is_fixed (caps))
- return FALSE;
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (format) {
- if (gst_structure_has_name (structure, "video/x-raw-yuv")) {
- guint32 fourcc;
-
- ok &= gst_structure_get_fourcc (structure, "format", &fourcc);
-
- *format = gst_video_fourcc_to_format (fourcc);
- if (*format == GST_VIDEO_FORMAT_UNKNOWN) {
- ok = FALSE;
- }
- } else if (gst_structure_has_name (structure, "video/x-raw-rgb")) {
- int depth;
- int bpp;
- int endianness;
- int red_mask;
- int green_mask;
- int blue_mask;
-
- ok &= gst_structure_get_int (structure, "depth", &depth);
- ok &= gst_structure_get_int (structure, "bpp", &bpp);
- ok &= gst_structure_get_int (structure, "endianness", &endianness);
- ok &= gst_structure_get_int (structure, "red_mask", &red_mask);
- ok &= gst_structure_get_int (structure, "green_mask", &green_mask);
- ok &= gst_structure_get_int (structure, "blue_mask", &blue_mask);
-
- if (depth != 24 || bpp != 32 || endianness != G_BIG_ENDIAN) {
- ok = FALSE;
- } else {
- *format = gst_video_rgb32_masks_to_format (red_mask, green_mask,
- blue_mask);
- if (*format == GST_VIDEO_FORMAT_UNKNOWN) {
- ok = FALSE;
- }
- }
- } else {
- ok = FALSE;
- }
- }
-
- if (width) {
- ok &= gst_structure_get_int (structure, "width", width);
- }
-
- if (height) {
- ok &= gst_structure_get_int (structure, "height", height);
- }
-
- return ok;
-}
-
-gboolean
-gst_video_parse_caps_framerate (GstCaps * caps, int *fps_n, int *fps_d)
-{
- GstStructure *structure;
-
- if (!gst_caps_is_fixed (caps))
- return FALSE;
-
- structure = gst_caps_get_structure (caps, 0);
-
- return gst_structure_get_fraction (structure, "framerate", fps_n, fps_d);
-}
-
-gboolean
-gst_video_parse_caps_pixel_aspect_ratio (GstCaps * caps, int *par_n, int *par_d)
-{
- GstStructure *structure;
-
- if (!gst_caps_is_fixed (caps))
- return FALSE;
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (!gst_structure_get_fraction (structure, "pixel-aspect-ratio",
- par_n, par_d)) {
- *par_n = 1;
- *par_d = 1;
- }
- return TRUE;
-}
-
-GstCaps *
-gst_video_create_caps (GstVideoFormat format, int width, int height,
- int framerate_n, int framerate_d, int par_n, int par_d)
-{
- if (gst_video_format_is_yuv (format)) {
- return gst_caps_new_simple ("video/x-raw-yuv",
- "format", GST_TYPE_FOURCC, gst_video_format_to_fourcc (format),
- "width", G_TYPE_INT, width,
- "height", G_TYPE_INT, height,
- "framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
- }
- if (gst_video_format_is_rgb (format)) {
- int red_mask;
- int blue_mask;
- int green_mask;
-
- red_mask =
- 0xff000000U >> gst_video_format_get_component_offset (format, 0, width,
- height);
- green_mask =
- 0xff000000U >> gst_video_format_get_component_offset (format, 1, width,
- height);
- blue_mask =
- 0xff000000U >> gst_video_format_get_component_offset (format, 2, width,
- height);
-
- return gst_caps_new_simple ("video/x-raw-rgb",
- "bpp", G_TYPE_INT, 32,
- "depth", G_TYPE_INT, 24,
- "endianness", G_TYPE_INT, G_BIG_ENDIAN,
- "red_mask", G_TYPE_INT, red_mask,
- "green_mask", G_TYPE_INT, green_mask,
- "blue_mask", G_TYPE_INT, blue_mask,
- "width", G_TYPE_INT, width,
- "height", G_TYPE_INT, height,
- "framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
- }
- return NULL;
-}
-
-GstVideoFormat
-gst_video_fourcc_to_format (guint32 fourcc)
-{
- switch (fourcc) {
- case GST_MAKE_FOURCC ('I', '4', '2', '0'):
- return GST_VIDEO_FORMAT_I420;
- case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
- return GST_VIDEO_FORMAT_YV12;
- case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
- return GST_VIDEO_FORMAT_YUY2;
- case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
- return GST_VIDEO_FORMAT_UYVY;
- case GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'):
- return GST_VIDEO_FORMAT_AYUV;
- default:
- return GST_VIDEO_FORMAT_UNKNOWN;
- }
-}
-
-guint32
-gst_video_format_to_fourcc (GstVideoFormat format)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- return GST_MAKE_FOURCC ('I', '4', '2', '0');
- case GST_VIDEO_FORMAT_YV12:
- return GST_MAKE_FOURCC ('Y', 'V', '1', '2');
- case GST_VIDEO_FORMAT_YUY2:
- return GST_MAKE_FOURCC ('Y', 'U', 'Y', '2');
- case GST_VIDEO_FORMAT_UYVY:
- return GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
- case GST_VIDEO_FORMAT_AYUV:
- return GST_MAKE_FOURCC ('A', 'Y', 'U', 'V');
- default:
- return 0;
- }
-}
-
-GstVideoFormat
-gst_video_rgb32_masks_to_format (int red_mask, int green_mask, int blue_mask)
-{
- if (red_mask == 0xff000000 && green_mask == 0x00ff0000 &&
- blue_mask == 0x0000ff00) {
- return GST_VIDEO_FORMAT_RGBx;
- }
- if (red_mask == 0x0000ff00 && green_mask == 0x00ff0000 &&
- blue_mask == 0xff000000) {
- return GST_VIDEO_FORMAT_BGRx;
- }
- if (red_mask == 0x00ff0000 && green_mask == 0x0000ff00 &&
- blue_mask == 0x000000ff) {
- return GST_VIDEO_FORMAT_xRGB;
- }
- if (red_mask == 0x000000ff && green_mask == 0x0000ff00 &&
- blue_mask == 0x00ff0000) {
- return GST_VIDEO_FORMAT_xBGR;
- }
-
- return GST_VIDEO_FORMAT_UNKNOWN;
-}
-
-gboolean
-gst_video_format_is_rgb (GstVideoFormat format)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- case GST_VIDEO_FORMAT_AYUV:
- return FALSE;
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return TRUE;
- default:
- return FALSE;
- }
-}
-
-gboolean
-gst_video_format_is_yuv (GstVideoFormat format)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- case GST_VIDEO_FORMAT_AYUV:
- return TRUE;
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return FALSE;
- default:
- return FALSE;
- }
-}
-
-gboolean
-gst_video_format_has_alpha (GstVideoFormat format)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- return FALSE;
- case GST_VIDEO_FORMAT_AYUV:
- return TRUE;
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return FALSE;
- default:
- return FALSE;
- }
-}
-
-int
-gst_video_format_get_row_stride (GstVideoFormat format, int component,
- int width)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- if (component == 0) {
- return GST_ROUND_UP_4 (width);
- } else {
- return GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2);
- }
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- return GST_ROUND_UP_4 (width * 2);
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return width * 4;
- default:
- return 0;
- }
-}
-
-int
-gst_video_format_get_pixel_stride (GstVideoFormat format, int component)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- return 1;
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- if (component == 0) {
- return 2;
- } else {
- return 4;
- }
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return 4;
- default:
- return 0;
- }
-}
-
-int
-gst_video_format_get_component_width (GstVideoFormat format, int component,
- int width)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- if (component == 0) {
- return width;
- } else {
- return GST_ROUND_UP_2 (width) / 2;
- }
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return width;
- default:
- return 0;
- }
-}
-
-int
-gst_video_format_get_component_height (GstVideoFormat format, int component,
- int height)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- if (component == 0) {
- return height;
- } else {
- return GST_ROUND_UP_2 (height) / 2;
- }
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return height;
- default:
- return 0;
- }
-}
-
-int
-gst_video_format_get_component_offset (GstVideoFormat format, int component,
- int width, int height)
-{
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- if (component == 0) {
- return 0;
- } else {
- int offset;
-
- offset = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
- if (component == 2) {
- offset += GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
- (GST_ROUND_UP_2 (height) / 2);
- }
- return offset;
- }
- case GST_VIDEO_FORMAT_YUY2:
- if (component == 0)
- return 0;
- if (component == 1)
- return 1;
- if (component == 2)
- return 3;
- return 0;
- case GST_VIDEO_FORMAT_UYVY:
- if (component == 0)
- return 1;
- if (component == 1)
- return 0;
- if (component == 2)
- return 2;
- return 0;
- case GST_VIDEO_FORMAT_AYUV:
- if (component == 0)
- return 1;
- if (component == 1)
- return 2;
- if (component == 2)
- return 3;
- if (component == 3)
- return 0;
- return 0;
- case GST_VIDEO_FORMAT_RGBx:
- if (component == 0)
- return 0;
- if (component == 1)
- return 1;
- if (component == 2)
- return 2;
- if (component == 3)
- return 3;
- return 0;
- case GST_VIDEO_FORMAT_BGRx:
- if (component == 0)
- return 2;
- if (component == 1)
- return 1;
- if (component == 2)
- return 0;
- if (component == 3)
- return 3;
- return 0;
- case GST_VIDEO_FORMAT_xRGB:
- if (component == 0)
- return 1;
- if (component == 1)
- return 2;
- if (component == 2)
- return 3;
- if (component == 3)
- return 0;
- return 0;
- case GST_VIDEO_FORMAT_xBGR:
- if (component == 0)
- return 3;
- if (component == 1)
- return 2;
- if (component == 2)
- return 1;
- if (component == 3)
- return 0;
- return 0;
- default:
- return 0;
- }
-}
-
-int
-gst_video_format_get_size (GstVideoFormat format, int width, int height)
-{
- int size;
-
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- size = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
- size += GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
- (GST_ROUND_UP_2 (height) / 2) * 2;
- return size;
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- return GST_ROUND_UP_4 (width * 2) * height;
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return width * 4 * height;
- default:
- return 0;
- }
-}
-
-
-gboolean
-gst_video_convert (GstVideoFormat format, int width, int height,
- int fps_n, int fps_d,
- GstFormat src_format, gint64 src_value,
- GstFormat dest_format, gint64 * dest_value)
-{
- gboolean ret = FALSE;
- 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;
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-09-06 07:40:20 +0000