1 /* 2 * GStreamer 3 * Copyright (C) 2015 Matthew Waters <matthew@centricular.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef __CA_OPENGL_LAYER_SINK_H__ 22 #define __CA_OPENGL_LAYER_SINK_H__ 23 24 #include <gst/gst.h> 25 #include <gst/video/gstvideosink.h> 26 #include <gst/video/video.h> 27 28 #include <gst/gl/gl.h> 29 #include <gst/gl/gstglfuncs.h> 30 #include <gst/gl/cocoa/gstglcaopengllayer.h> 31 32 G_BEGIN_DECLS 33 34 #define GST_TYPE_CA_OPENGL_LAYER_SINK \ 35 (gst_ca_opengl_layer_sink_get_type()) 36 #define GST_CA_OPENGL_LAYER_SINK(obj) \ 37 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CA_OPENGL_LAYER_SINK,GstCAOpenGLLayerSink)) 38 #define GST_CA_OPENGL_LAYER_SINK_CLASS(klass) \ 39 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CA_OPENGL_LAYER_SINK,GstCAOpenGLLayerSinkClass)) 40 #define GST_IS_CA_OPENGL_LAYER_SINK(obj) \ 41 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CA_OPENGL_LAYER_SINK)) 42 #define GST_IS_CA_OPENGL_LAYER_SINK_CLASS(klass) \ 43 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CA_OPENGL_LAYER_SINK)) 44 45 typedef struct _GstCAOpenGLLayerSink GstCAOpenGLLayerSink; 46 typedef struct _GstCAOpenGLLayerSinkClass GstCAOpenGLLayerSinkClass; 47 48 struct _GstCAOpenGLLayerSink 49 { 50 GstVideoSink video_sink; 51 52 /* caps */ 53 GstVideoInfo info; 54 GstCaps *gl_caps; 55 56 /* gl state */ 57 GstGLDisplay *display; 58 GstGLContext *other_context; 59 GstGLContext *context; 60 61 guint next_tex; 62 GstBuffer *next_buffer; 63 GstBuffer *next_sync; 64 65 gpointer layer; 66 67 gboolean keep_aspect_ratio; 68 69 /* avoid replacing the stored_buffer while drawing */ 70 GMutex drawing_lock; 71 GstBuffer *stored_buffer; 72 GstBuffer *stored_sync; 73 GLuint redisplay_texture; 74 75 gboolean caps_change; 76 guint window_width; 77 guint window_height; 78 79 /* gl state */ 80 GstGLShader *redisplay_shader; 81 GLuint vao; 82 GLuint vertex_buffer; 83 GLuint vbo_indices; 84 GLint attr_position; 85 GLint attr_texture; 86 }; 87 88 struct _GstCAOpenGLLayerSinkClass 89 { 90 GstVideoSinkClass video_sink_class; 91 }; 92 93 GType gst_ca_opengl_layer_sink_get_type(void); 94 GType gst_ca_opengl_layer_sink_bin_get_type (void); 95 96 G_END_DECLS 97 98 #endif /* __CA_OPENGL_LAYER_SINK__ */ 99