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gstreamer/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglutils.h

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[700/906] display: move most of the code into utils for sorting later This contains a hack that essentially requires one GstGLDisplay per process.
2013-06-11 15:04:55 +00:00
/*
* GStreamer
* Copyright (C) 2013 Matthew Waters <ystreet00@gmail.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_GL_UTILS_H__
#define __GST_GL_UTILS_H__
[708/906] display: a cleanup and removal of old code
2013-06-13 07:57:35 +00:00
#include <gst/video/video.h>
gl: take the affine transformation in NDC Provide a function to get the affine matrix in the meta in terms of NDC coordinates and use as a standard opengl matrix. Also advertise support for the affine transformation meta in the allocation query.
2016-05-14 13:27:26 +00:00
#include <gst/video/gstvideoaffinetransformationmeta.h>
[700/906] display: move most of the code into utils for sorting later This contains a hack that essentially requires one GstGLDisplay per process.
2013-06-11 15:04:55 +00:00
[733/906] gl: Major header and include cleanup
2013-07-11 09:03:31 +00:00
#include <gst/gl/gstgl_fwd.h>
[700/906] display: move most of the code into utils for sorting later This contains a hack that essentially requires one GstGLDisplay per process.
2013-06-11 15:04:55 +00:00
gl: add missing G_BEGIN/END_DECLS in utils header
2014-04-29 18:24:08 +00:00
G_BEGIN_DECLS
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
gl: propogate other-context using GstContext
2014-08-14 13:29:00 +00:00
gboolean gst_gl_ensure_element_data (gpointer element,
GstGLDisplay **display_ptr, GstGLContext ** other_context_ptr);
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
gl,video: Make ptrs to VideoInfo and (GL)AllocationParams immutable These parameters are incorrectly regarded as mutable in G-IR making them "incompatible" with languages that are explicit about mutability like Rust. In order to clean up the code and expected API there, update the signatures here, right at the source (instead of overriding them in Gir.toml and hoping for the best). Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1005>
2021-01-04 22:25:10 +00:00
gboolean gst_gl_handle_set_context (GstElement * element, GstContext * context,
gl: propogate other-context using GstContext
2014-08-14 13:29:00 +00:00
GstGLDisplay ** display, GstGLContext ** other_context);
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
gl,video: Make ptrs to VideoInfo and (GL)AllocationParams immutable These parameters are incorrectly regarded as mutable in G-IR making them "incompatible" with languages that are explicit about mutability like Rust. In order to clean up the code and expected API there, update the signatures here, right at the source (instead of overriding them in Gir.toml and hoping for the best). Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1005>
2021-01-04 22:25:10 +00:00
gboolean gst_gl_handle_context_query (GstElement * element, GstQuery * query,
gl/utils: also take care of the local GL context in query functions Simplifies a deduplicates a lot of code in elements retrieving/setting the local OpenGL context.
2017-01-12 10:35:25 +00:00
GstGLDisplay * display, GstGLContext * context, GstGLContext * other_context);
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
gl/utils: also take care of the local GL context in query functions Simplifies a deduplicates a lot of code in elements retrieving/setting the local OpenGL context.
2017-01-12 10:35:25 +00:00
gboolean gst_gl_query_local_gl_context (GstElement * element, GstPadDirection direction,
GstGLContext ** context_ptr);
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
gtkglsink: expose the created display and context correctly 1. Propagate the GstGLDisplay we create 2. Add the created GstGLContext to the propagated GstGLDisplay Otherwise with multi-branch GL pipelines involving gtkglsink, things will fall apart and errors will be genarated somewhere.
2017-09-01 05:00:12 +00:00
void gst_gl_element_propagate_display_context (GstElement * element, GstGLDisplay * display);
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
gl,video: Make ptrs to VideoInfo and (GL)AllocationParams immutable These parameters are incorrectly regarded as mutable in G-IR making them "incompatible" with languages that are explicit about mutability like Rust. In order to clean up the code and expected API there, update the signatures here, right at the source (instead of overriding them in Gir.toml and hoping for the best). Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1005>
2021-01-04 22:25:10 +00:00
gsize gst_gl_get_plane_data_size (const GstVideoInfo * info, const GstVideoAlignment * align,
gl: Add support for GstVideoAlignment This allow saving a copy with libav video decoders or decoders with similar padding requirement. https://bugzilla.gnome.org/show_bug.cgi?id=740900
2014-12-19 17:11:08 +00:00
guint plane);
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
gl,video: Make ptrs to VideoInfo and (GL)AllocationParams immutable These parameters are incorrectly regarded as mutable in G-IR making them "incompatible" with languages that are explicit about mutability like Rust. In order to clean up the code and expected API there, update the signatures here, right at the source (instead of overriding them in Gir.toml and hoping for the best). Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1005>
2021-01-04 22:25:10 +00:00
gsize gst_gl_get_plane_start (const GstVideoInfo * info, const GstVideoAlignment * valign,
gl: add convenience function for the start of a video frame Get's the start of the video frame based on a GstVideoInfo and GstVideoAlignment.
2015-12-14 01:26:01 +00:00
guint plane);
gl: Add support for GstVideoAlignment This allow saving a copy with libav video decoders or decoders with similar padding requirement. https://bugzilla.gnome.org/show_bug.cgi?id=740900
2014-12-19 17:11:08 +00:00
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
glupload: always add texture-target field to GL caps 1. Various elements/base classes only perform a subset check on accept-caps 2. Some GL elements have texture-target in their pad template 3. When checking subsets, only the caps to check are allowed to contain extra fields. If the 'template' caps have extra fields, the subset fails. Thus without texture-target on the caps, various accept-caps implementations were failing. Also, add some convenience functions for setting and retrieving texture targets to/from GValue. https://bugzilla.gnome.org/show_bug.cgi?id=759860
2016-01-04 09:26:09 +00:00
gboolean gst_gl_value_set_texture_target_from_mask (GValue * value,
GstGLTextureTarget target_mask);
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
glupload: always add texture-target field to GL caps 1. Various elements/base classes only perform a subset check on accept-caps 2. Some GL elements have texture-target in their pad template 3. When checking subsets, only the caps to check are allowed to contain extra fields. If the 'template' caps have extra fields, the subset fails. Thus without texture-target on the caps, various accept-caps implementations were failing. Also, add some convenience functions for setting and retrieving texture targets to/from GValue. https://bugzilla.gnome.org/show_bug.cgi?id=759860
2016-01-04 09:26:09 +00:00
gboolean gst_gl_value_set_texture_target (GValue * value, GstGLTextureTarget target);
gl: GST_EXPORT -> GST_GL_API We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 10:57:15 +00:00
GST_GL_API
glupload: always add texture-target field to GL caps 1. Various elements/base classes only perform a subset check on accept-caps 2. Some GL elements have texture-target in their pad template 3. When checking subsets, only the caps to check are allowed to contain extra fields. If the 'template' caps have extra fields, the subset fails. Thus without texture-target on the caps, various accept-caps implementations were failing. Also, add some convenience functions for setting and retrieving texture targets to/from GValue. https://bugzilla.gnome.org/show_bug.cgi?id=759860
2016-01-04 09:26:09 +00:00
GstGLTextureTarget gst_gl_value_get_texture_target_mask (const GValue * value);
glutils: Export affine transformation functions for gtkglsink Also remove duplicated copy of those functions from the gl plugin With contributions from Bastien Nocera Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1088>
2017-08-29 21:21:05 +00:00
GST_GL_API
void gst_gl_get_affine_transformation_meta_as_ndc (GstVideoAffineTransformationMeta * meta, gfloat * matrix);
GST_GL_API
void gst_gl_set_affine_transformation_meta_from_ndc (GstVideoAffineTransformationMeta * meta, const gfloat * matrix);
GST_GL_API
void gst_gl_multiply_matrix4 (const gfloat * a, const gfloat * b, gfloat * result);
gl: add missing G_BEGIN/END_DECLS in utils header
2014-04-29 18:24:08 +00:00
G_END_DECLS
[700/906] display: move most of the code into utils for sorting later This contains a hack that essentially requires one GstGLDisplay per process.
2013-06-11 15:04:55 +00:00
#endif /* __GST_GL_UTILS_H__ */
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