gstreamer/gst-libs/gst/gl/gstglviewconvert.h
Julien Isorce 4952fdd956 gl: do not include GL headers in public gstgl headers
Except for gst/gl/gstglfuncs.h

It is up to the client app to include these headers.
It is coherent with the fact that gstreamer-gl.pc does not
require any egl.pc/gles.pc. I.e. it is the responsability
of the app to search these headers within its build setup.

For example gstreamer-vaapi includes explicitly EGL/egl.h
and search for it in its configure.ac.

For example with this patch, if an app includes the headers
  gst/gl/egl/gstglcontext_egl.h
  gst/gl/egl/gstgldisplay_egl.h
  gst/gl/egl/gstglmemoryegl.h
it will *no longer* automatically include EGL/egl.h and GLES2/gl2.h.
Which is good because the app might want to use the gstgl api only
without the need to bother about gl headers.

Also added a test: cd tests/check && make libs/gstglheaders.check

https://bugzilla.gnome.org/show_bug.cgi?id=784779
2017-12-09 19:32:29 +00:00

137 lines
4.5 KiB
C

/*
* GStreamer
* Copyright (C) 2014 Jan Schmidt <jan@centricular.com>
* Copyright (C) 2015 Matthew Waters <matthew@centricular.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_VIEW_CONVERT_H_
#define _GST_GL_VIEW_CONVERT_H_
#include <gst/gstmemory.h>
#include <gst/video/video.h>
#include <gst/gl/gstgl_fwd.h>
G_BEGIN_DECLS
#define GST_TYPE_GL_VIEW_CONVERT (gst_gl_view_convert_get_type())
#define GST_GL_VIEW_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_VIEW_CONVERT,GstGLViewConvert))
#define GST_IS_GL_VIEW_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_VIEW_CONVERT))
#define GST_GL_VIEW_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_VIEW_CONVERT,GstGLViewConvertClass))
#define GST_IS_GL_VIEW_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_VIEW_CONVERT))
#define GST_GL_VIEW_CONVERT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_VIEW_CONVERT,GstGLViewConvertClass))
#define GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE gst_gl_stereo_downmix_mode_get_type()
GST_EXPORT
GType gst_gl_stereo_downmix_mode_get_type (void);
/**
* GstGLStereoDownmix:
* @GST_GL_STEREO_DOWNMIX_ANAGLYPH_GREEN_MAGENTA_DUBOIS: Dubois optimised Green-Magenta anaglyph
* @GST_GL_STEREO_DOWNMIX_ANAGLYPH_RED_CYAN_DUBOIS: Dubois optimised Red-Cyan anaglyph
* @GST_GL_STEREO_DOWNMIX_ANAGLYPH_AMBER_BLUE_DUBOIS: Dubois optimised Amber-Blue anaglyph
*
* Output anaglyph type to generate when downmixing to mono
*/
enum _GstGLStereoDownmix {
GST_GL_STEREO_DOWNMIX_ANAGLYPH_GREEN_MAGENTA_DUBOIS,
GST_GL_STEREO_DOWNMIX_ANAGLYPH_RED_CYAN_DUBOIS,
GST_GL_STEREO_DOWNMIX_ANAGLYPH_AMBER_BLUE_DUBOIS,
};
typedef enum _GstGLStereoDownmix GstGLStereoDownmix;
/**
* GstGLViewConvert:
*
* #GstGLViewConvert is an opaque struct and should only be accessed through the
* provided api.
*/
struct _GstGLViewConvert
{
GstObject object;
GstGLContext *context;
GstGLShader *shader;
GstVideoMultiviewMode input_mode_override;
GstVideoMultiviewFlags input_flags_override;
GstVideoMultiviewMode output_mode_override;
GstVideoMultiviewFlags output_flags_override;
GstGLStereoDownmix downmix_mode;
GstVideoInfo in_info;
GstVideoInfo out_info;
GstGLTextureTarget from_texture_target;
GstGLTextureTarget to_texture_target;
gboolean caps_passthrough;
gboolean initted;
gboolean reconfigure;
GstGLFramebuffer *fbo;
/* <private> */
GstGLViewConvertPrivate *priv;
gpointer _padding[GST_PADDING];
};
/**
* GstGLViewConvertClass:
*
* Opaque #GstGLViewConvertClass struct
*/
struct _GstGLViewConvertClass
{
/* <private> */
GstObjectClass object_class;
gpointer _padding[GST_PADDING];
};
GST_EXPORT
GType gst_gl_view_convert_get_type (void);
GST_EXPORT
GstGLViewConvert * gst_gl_view_convert_new (void);
GST_EXPORT
gboolean gst_gl_view_convert_set_caps (GstGLViewConvert * viewconvert, GstCaps * in_caps, GstCaps * out_caps);
GST_EXPORT
GstCaps * gst_gl_view_convert_transform_caps (GstGLViewConvert * viewconvert,
GstPadDirection direction, GstCaps * caps, GstCaps * filter);
GST_EXPORT
GstCaps * gst_gl_view_convert_fixate_caps (GstGLViewConvert *viewconvert,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
GST_EXPORT
GstFlowReturn gst_gl_view_convert_submit_input_buffer (GstGLViewConvert *viewconvert,
gboolean is_discont, GstBuffer * input);
GST_EXPORT
GstFlowReturn gst_gl_view_convert_get_output (GstGLViewConvert *viewconvert,
GstBuffer ** outbuf_ptr);
GST_EXPORT
GstBuffer * gst_gl_view_convert_perform (GstGLViewConvert * viewconvert, GstBuffer *inbuf);
GST_EXPORT
void gst_gl_view_convert_reset (GstGLViewConvert * viewconvert);
GST_EXPORT
void gst_gl_view_convert_set_context (GstGLViewConvert *viewconvert, GstGLContext * context);
G_END_DECLS
#endif /* _GST_GL_VIEW_CONVERT_H_ */