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107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/*
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* GStreamer
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* Copyright (C) 2013 Matthew Waters <ystreet00@gmail.com>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_GL_UTILS_H__
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#define __GST_GL_UTILS_H__
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#include <gst/video/video.h>
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#include <gst/video/gstvideoaffinetransformationmeta.h>
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#include <gst/gl/gstgl_fwd.h>
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G_BEGIN_DECLS
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GST_GL_API
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gboolean gst_gl_ensure_element_data (gpointer element,
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GstGLDisplay **display_ptr, GstGLContext ** other_context_ptr);
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GST_GL_API
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gboolean gst_gl_handle_set_context (GstElement * element, GstContext * context,
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GstGLDisplay ** display, GstGLContext ** other_context);
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GST_GL_API
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gboolean gst_gl_handle_context_query (GstElement * element, GstQuery * query,
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GstGLDisplay * display, GstGLContext * context, GstGLContext * other_context);
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GST_GL_API
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gboolean gst_gl_query_local_gl_context (GstElement * element, GstPadDirection direction,
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GstGLContext ** context_ptr);
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GST_GL_API
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void gst_gl_element_propagate_display_context (GstElement * element, GstGLDisplay * display);
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GST_GL_API
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gsize gst_gl_get_plane_data_size (const GstVideoInfo * info, const GstVideoAlignment * align,
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guint plane);
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GST_GL_API
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gsize gst_gl_get_plane_start (const GstVideoInfo * info, const GstVideoAlignment * valign,
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guint plane);
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GST_GL_API
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gboolean gst_gl_value_set_texture_target_from_mask (GValue * value,
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GstGLTextureTarget target_mask);
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GST_GL_API
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gboolean gst_gl_value_set_texture_target (GValue * value, GstGLTextureTarget target);
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GST_GL_API
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GstGLTextureTarget gst_gl_value_get_texture_target_mask (const GValue * value);
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GST_GL_API
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void gst_gl_get_affine_transformation_meta_as_ndc (GstVideoAffineTransformationMeta * meta, gfloat * matrix);
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GST_GL_API
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void gst_gl_set_affine_transformation_meta_from_ndc (GstVideoAffineTransformationMeta * meta, const gfloat * matrix);
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GST_GL_API
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void gst_gl_multiply_matrix4 (const gfloat * a, const gfloat * b, gfloat * result);
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/**
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* GstGLDrmFormatFlags:
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* @GST_GL_DRM_FORMAT_INCLUDE_EXTERNAL: include external-only formats (Since: 1.26)
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* @GST_GL_DRM_FORMAT_LINEAR_ONLY: only include formats with linear modifier (Since: 1.26)
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*
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* Since: 1.26
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*/
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typedef enum
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{
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/**
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* GST_GL_DRM_FORMAT_INCLUDE_EXTERNAL:
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*
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* include external-only formats
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*
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* Since: 1.26
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*/
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GST_GL_DRM_FORMAT_INCLUDE_EXTERNAL = 1 << 0,
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/**
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* GST_GL_DRM_FORMAT_LINEAR_ONLY:
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*
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* only include formats with linear modifier
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*
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* Since: 1.26
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*/
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GST_GL_DRM_FORMAT_LINEAR_ONLY = 1 << 1,
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} GstGLDrmFormatFlags;
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GST_GL_API
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gboolean gst_gl_dma_buf_transform_gst_formats_to_drm_formats (GstGLContext * context,
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const GValue * src, GstGLDrmFormatFlags flags, GValue * dst);
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GST_GL_API
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gboolean gst_gl_dma_buf_transform_drm_formats_to_gst_formats (GstGLContext * context,
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const GValue * src, GstGLDrmFormatFlags flags, GValue * dst);
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G_END_DECLS
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#endif /* __GST_GL_UTILS_H__ */
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