1 /* 2 * GStreamer 3 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> 4 * Copyright (C) 2002,2007 David A. Schleef <ds@schleef.org> 5 * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> 6 * Copyright (C) 2019 Philippe Normand <philn@igalia.com> 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the 20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 */ 23 24 #ifndef __GST_GL_BASE_SRC_H__ 25 #define __GST_GL_BASE_SRC_H__ 26 27 #include <gst/base/gstpushsrc.h> 28 #include <gst/gl/gstgl_fwd.h> 29 30 G_BEGIN_DECLS 31 32 GST_GL_API 33 GType gst_gl_base_src_get_type(void); 34 35 #define GST_TYPE_GL_BASE_SRC (gst_gl_base_src_get_type()) 36 #define GST_GL_BASE_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_BASE_SRC,GstGLBaseSrc)) 37 #define GST_GL_BASE_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_BASE_SRC,GstGLBaseSrcClass)) 38 #define GST_IS_GL_BASE_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_BASE_SRC)) 39 #define GST_IS_GL_BASE_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_BASE_SRC)) 40 #define GST_GL_BASE_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_BASE_SRC,GstGLBaseSrcClass)) 41 42 /** 43 * GstGLBaseSrc: 44 * @display: the currently configured #GstGLDisplay 45 * @context: the currently configured #GstGLContext 46 * @out_caps: the currently configured output #GstCaps 47 * @out_info: the currently configured output #GstVideoInfo 48 * @running_time: the total running time 49 * 50 * The parent instance type of a base GStreamer GL Video source. 51 * 52 * Since: 1.18 53 */ 54 struct _GstGLBaseSrc { 55 GstPushSrc parent; 56 57 /*< public >*/ 58 GstGLDisplay *display; 59 GstGLContext *context; 60 61 /* video state */ 62 GstVideoInfo out_info; 63 GstCaps *out_caps; 64 65 /* total running time */ 66 GstClockTime running_time; 67 68 /*< private >*/ 69 gpointer _padding[GST_PADDING]; 70 71 GstGLBaseSrcPrivate *priv; 72 }; 73 74 /** 75 * GstGLBaseSrcClass: 76 * @supported_gl_api: the logical-OR of #GstGLAPI's supported by this element 77 * @gl_start: called in the GL thread to setup the element GL state. 78 * @gl_stop: called in the GL thread to setup the element GL state. 79 * @fill_gl_memory: called in the GL thread to fill the current video texture. 80 * 81 * The base class for GStreamer GL Video sources. 82 * 83 * Since: 1.18 84 */ 85 struct _GstGLBaseSrcClass { 86 GstPushSrcClass parent_class; 87 88 /*< public >*/ 89 GstGLAPI supported_gl_api; 90 gboolean (*gl_start) (GstGLBaseSrc *src); 91 void (*gl_stop) (GstGLBaseSrc *src); 92 gboolean (*fill_gl_memory) (GstGLBaseSrc *src, GstGLMemory *mem); 93 94 /*< private >*/ 95 gpointer _padding[GST_PADDING]; 96 }; 97 98 G_END_DECLS 99 100 #endif /* __GST_GL_BASE_SRC_H__ */ 101