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7b583526e9
Add API for a helper object that can convert between different stereoscopic video representations, and later do filtering of multiple view streams. https://bugzilla.gnome.org/show_bug.cgi?id=611157
98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/*
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* GStreamer
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* Copyright (C) 2014 Jan Schmidt <jan@centricular.com>
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* Copyright (C) 2015 Matthew Waters <matthew@centricular.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_VIEW_CONVERT_H_
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#define _GST_GL_VIEW_CONVERT_H_
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#include <gst/gl/gl.h>
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G_BEGIN_DECLS
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#define GST_TYPE_GL_VIEW_CONVERT (gst_gl_view_convert_get_type())
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#define GST_GL_VIEW_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_VIEW_CONVERT,GstGLViewConvert))
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#define GST_IS_GL_VIEW_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_VIEW_CONVERT))
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#define GST_GL_VIEW_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_VIEW_CONVERT,GstGLViewConvertClass))
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#define GST_IS_GL_VIEW_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_VIEW_CONVERT))
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#define GST_GL_VIEW_CONVERT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_VIEW_CONVERT,GstGLViewConvertClass))
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#define GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE gst_gl_stereo_downmix_mode_get_type()
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GType gst_gl_stereo_downmix_mode_get_type (void);
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enum _GstGLStereoDownmix {
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GST_GL_STEREO_DOWNMIX_ANAGLYPH_GREEN_MAGENTA_DUBOIS,
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GST_GL_STEREO_DOWNMIX_ANAGLYPH_RED_CYAN_DUBOIS,
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GST_GL_STEREO_DOWNMIX_ANAGLYPH_AMBER_BLUE_DUBOIS,
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};
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typedef enum _GstGLStereoDownmix GstGLStereoDownmix;
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struct _GstGLViewConvert
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{
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GstObject object;
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GstGLContext *context;
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GstGLShader *shader;
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GstVideoMultiviewMode input_mode_override;
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GstVideoMultiviewFlags input_flags_override;
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GstVideoMultiviewMode output_mode_override;
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GstVideoMultiviewFlags output_flags_override;
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GstGLStereoDownmix downmix_mode;
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GstVideoInfo in_info;
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GstVideoInfo out_info;
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gboolean initted;
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gboolean reconfigure;
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GLuint fbo;
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GLuint depth_buffer;
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GstGLViewConvertPrivate *priv;
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};
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struct _GstGLViewConvertClass
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{
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GstObjectClass object_class;
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};
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GType gst_gl_view_convert_get_type (void);
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GstGLViewConvert * gst_gl_view_convert_new (void);
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gboolean gst_gl_view_convert_set_format (GstGLViewConvert *viewconvert, GstVideoInfo *in_info,
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GstVideoInfo *out_info);
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gboolean gst_gl_view_convert_set_caps (GstGLViewConvert * viewconvert, GstCaps * in_caps, GstCaps * out_caps);
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GstCaps * gst_gl_view_convert_transform_caps (GstGLViewConvert * viewconvert,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter);
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GstCaps * gst_gl_view_convert_fixate_caps (GstGLViewConvert *viewconvert,
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GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
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GstFlowReturn gst_gl_view_convert_submit_input_buffer (GstGLViewConvert *viewconvert,
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gboolean is_discont, GstBuffer * input);
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GstFlowReturn gst_gl_view_convert_get_output (GstGLViewConvert *viewconvert,
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GstBuffer ** outbuf_ptr);
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GstBuffer * gst_gl_view_convert_perform (GstGLViewConvert * viewconvert, GstBuffer *inbuf);
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void gst_gl_view_convert_reset (GstGLViewConvert * viewconvert);
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void gst_gl_view_convert_set_context (GstGLViewConvert *viewconvert, GstGLContext * context);
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G_END_DECLS
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#endif /* _GST_GL_VIEW_CONVERT_H_ */
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