1 /* 2 * GStreamer 3 * Copyright (C) 2003 Julien Moutte <julien@moutte.net> 4 * Copyright (C) 2005,2006,2007 David A. Schleef <ds@schleef.org> 5 * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef _GLIMAGESINK_H_ 24 #define _GLIMAGESINK_H_ 25 26 #include <gst/gst.h> 27 #include <gst/video/gstvideosink.h> 28 #include <gst/video/video.h> 29 30 #include <gst/gl/gl.h> 31 #include <gst/gl/gstglfuncs.h> 32 33 G_BEGIN_DECLS 34 35 GST_DEBUG_CATEGORY_EXTERN (gst_debug_glimage_sink); 36 37 #define GST_TYPE_GLIMAGE_SINK \ 38 (gst_glimage_sink_get_type()) 39 #define GST_GLIMAGE_SINK(obj) \ 40 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GLIMAGE_SINK,GstGLImageSink)) 41 #define GST_GLIMAGE_SINK_CLASS(klass) \ 42 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GLIMAGE_SINK,GstGLImageSinkClass)) 43 #define GST_IS_GLIMAGE_SINK(obj) \ 44 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GLIMAGE_SINK)) 45 #define GST_IS_GLIMAGE_SINK_CLASS(klass) \ 46 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GLIMAGE_SINK)) 47 48 typedef struct _GstGLImageSink GstGLImageSink; 49 typedef struct _GstGLImageSinkClass GstGLImageSinkClass; 50 51 struct _GstGLImageSink 52 { 53 GstVideoSink video_sink; 54 55 guintptr window_id; 56 guintptr new_window_id; 57 gulong mouse_sig_id; 58 gulong key_sig_id; 59 gulong mouse_scroll_sig_id; 60 61 /* GstVideoOverlay::set_render_rectangle() cache */ 62 gint x; 63 gint y; 64 gint width; 65 gint height; 66 67 /* Input info before 3d stereo output conversion, if any */ 68 GstVideoInfo in_info; 69 GstCaps *in_caps; 70 71 /* format/caps we actually hand off to the app */ 72 GstVideoInfo out_info; 73 GstCaps *out_caps; 74 GstGLTextureTarget texture_target; 75 76 GstGLDisplay *display; 77 GstGLContext *context; 78 GstGLContext *other_context; 79 gboolean handle_events; 80 gboolean ignore_alpha; 81 82 GstGLViewConvert *convert_views; 83 84 /* Original input RGBA buffer, ready for display, 85 * or possible reconversion through the views filter */ 86 GstBuffer *input_buffer; 87 /* Secondary view buffer - when operating in frame-by-frame mode */ 88 GstBuffer *input_buffer2; 89 90 guint next_tex; 91 GstBuffer *next_buffer; 92 GstBuffer *next_buffer2; /* frame-by-frame 2nd view */ 93 GstBuffer *next_sync; 94 GstGLSyncMeta *next_sync_meta; 95 96 gint to_quit; 97 gboolean keep_aspect_ratio; 98 gint par_n, par_d; 99 100 /* avoid replacing the stored_buffer while drawing */ 101 GMutex drawing_lock; 102 GstBuffer *stored_buffer[2]; 103 GstBuffer *stored_sync; 104 GstGLSyncMeta *stored_sync_meta; 105 GLuint redisplay_texture; 106 107 /* protected with drawing_lock */ 108 gboolean window_resized; 109 guint window_width; 110 guint window_height; 111 112 GstVideoRectangle display_rect; 113 114 GstGLShader *redisplay_shader; 115 GLuint vao; 116 GLuint vbo_indices; 117 GLuint vertex_buffer; 118 GLint attr_position; 119 GLint attr_texture; 120 121 GstVideoMultiviewMode mview_output_mode; 122 GstVideoMultiviewFlags mview_output_flags; 123 gboolean output_mode_changed; 124 GstGLStereoDownmix mview_downmix_mode; 125 126 GstGLOverlayCompositor *overlay_compositor; 127 128 /* current video flip method */ 129 GstVideoOrientationMethod current_rotate_method; 130 GstVideoOrientationMethod rotate_method; 131 const gfloat *transform_matrix; 132 }; 133 134 struct _GstGLImageSinkClass 135 { 136 GstVideoSinkClass video_sink_class; 137 }; 138 139 GType gst_glimage_sink_get_type(void); 140 GType gst_gl_image_sink_bin_get_type(void); 141 142 G_END_DECLS 143 144 #endif 145 146