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e5708eb453
renders gstreamer gl scene/video frames to a caopengllayer retreivable from the "layer" property.
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/*
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* GStreamer
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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 __CA_OPENGL_LAYER_SINK_H__
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#define __CA_OPENGL_LAYER_SINK_H__
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#include <gst/gst.h>
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#include <gst/video/gstvideosink.h>
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#include <gst/video/video.h>
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#include <gst/gl/gl.h>
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#include <gst/gl/cocoa/gstglcaopengllayer.h>
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G_BEGIN_DECLS
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#define GST_TYPE_CA_OPENGL_LAYER_SINK \
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(gst_ca_opengl_layer_sink_get_type())
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#define GST_CA_OPENGL_LAYER_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CA_OPENGL_LAYER_SINK,GstCAOpenGLLayerSink))
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#define GST_CA_OPENGL_LAYER_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CA_OPENGL_LAYER_SINK,GstCAOpenGLLayerSinkClass))
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#define GST_IS_CA_OPENGL_LAYER_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CA_OPENGL_LAYER_SINK))
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#define GST_IS_CA_OPENGL_LAYER_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CA_OPENGL_LAYER_SINK))
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typedef struct _GstCAOpenGLLayerSink GstCAOpenGLLayerSink;
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typedef struct _GstCAOpenGLLayerSinkClass GstCAOpenGLLayerSinkClass;
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struct _GstCAOpenGLLayerSink
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{
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GstVideoSink video_sink;
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/* caps */
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GstVideoInfo info;
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GstCaps *gl_caps;
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/* gl state */
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GstGLDisplay *display;
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GstGLContext *other_context;
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GstGLContext *context;
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GstGLUpload *upload;
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GstGLColorConvert *convert;
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guint next_tex;
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GstBuffer *next_buffer;
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GstGLCAOpenGLLayer *layer;
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volatile gint to_quit;
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gboolean keep_aspect_ratio;
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GstBufferPool *pool;
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/* avoid replacing the stored_buffer while drawing */
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GMutex drawing_lock;
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GstBuffer *stored_buffer;
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GLuint redisplay_texture;
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gboolean caps_change;
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guint window_width;
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guint window_height;
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/* gl state */
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GstGLShader *redisplay_shader;
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GLuint vao;
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GLuint vertex_buffer;
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GLint attr_position;
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GLint attr_texture;
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};
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struct _GstCAOpenGLLayerSinkClass
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{
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GstVideoSinkClass video_sink_class;
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};
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GType gst_ca_opengl_layer_sink_get_type(void);
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G_END_DECLS
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#endif /* __CA_OPENGL_LAYER_SINK__ */
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