1 /* 2 * GStreamer 3 * Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.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 __GST_GL_MIXER_H__ 22 #define __GST_GL_MIXER_H__ 23 24 #include <gst/gst.h> 25 #include <gst/video/video.h> 26 #include <gst/gl/gl.h> 27 #include <gst/gl/gstglfuncs.h> 28 #include "gstglbasemixer.h" 29 30 G_BEGIN_DECLS 31 32 typedef struct _GstGLMixer GstGLMixer; 33 typedef struct _GstGLMixerClass GstGLMixerClass; 34 typedef struct _GstGLMixerPrivate GstGLMixerPrivate; 35 36 #define GST_TYPE_GL_MIXER_PAD (gst_gl_mixer_pad_get_type()) 37 #define GST_GL_MIXER_PAD(obj) \ 38 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER_PAD, GstGLMixerPad)) 39 #define GST_GL_MIXER_PAD_CLASS(klass) \ 40 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER_PAD, GstGLMixerPadClass)) 41 #define GST_IS_GL_MIXER_PAD(obj) \ 42 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER_PAD)) 43 #define GST_IS_GL_MIXER_PAD_CLASS(klass) \ 44 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER_PAD)) 45 #define GST_GL_MIXER_PAD_GET_CLASS(obj) \ 46 (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER_PAD,GstGLMixerPadClass)) 47 48 typedef struct _GstGLMixerPad GstGLMixerPad; 49 typedef struct _GstGLMixerPadClass GstGLMixerPadClass; 50 51 /* all information needed for one video stream */ 52 struct _GstGLMixerPad 53 { 54 GstGLBaseMixerPad parent; 55 56 guint current_texture; 57 }; 58 59 struct _GstGLMixerPadClass 60 { 61 GstGLBaseMixerPadClass parent_class; 62 }; 63 64 GType gst_gl_mixer_pad_get_type (void); 65 66 #define GST_TYPE_GL_MIXER (gst_gl_mixer_get_type()) 67 #define GST_GL_MIXER(obj) \ 68 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER, GstGLMixer)) 69 #define GST_GL_MIXER_CLASS(klass) \ 70 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER, GstGLMixerClass)) 71 #define GST_IS_GL_MIXER(obj) \ 72 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER)) 73 #define GST_IS_GL_MIXER_CLASS(klass) \ 74 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER)) 75 #define GST_GL_MIXER_GET_CLASS(obj) \ 76 (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER,GstGLMixerClass)) 77 78 typedef gboolean (*GstGLMixerSetCaps) (GstGLMixer* mixer, 79 GstCaps* outcaps); 80 typedef void (*GstGLMixerReset) (GstGLMixer *mixer); 81 typedef gboolean (*GstGLMixerProcessFunc) (GstGLMixer *mix, GstBuffer *outbuf); 82 typedef gboolean (*GstGLMixerProcessTextures) (GstGLMixer *mix, GstGLMemory *out_tex); 83 84 struct _GstGLMixer 85 { 86 GstGLBaseMixer vaggregator; 87 88 GstGLFramebuffer *fbo; 89 90 GstCaps *out_caps; 91 92 GstGLMixerPrivate *priv; 93 }; 94 95 struct _GstGLMixerClass 96 { 97 GstGLBaseMixerClass parent_class; 98 99 GstGLMixerSetCaps set_caps; 100 GstGLMixerReset reset; 101 GstGLMixerProcessFunc process_buffers; 102 GstGLMixerProcessTextures process_textures; 103 }; 104 105 GType gst_gl_mixer_get_type(void); 106 107 gboolean gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf); 108 109 G_END_DECLS 110 #endif /* __GST_GL_MIXER_H__ */ 111