/* * GStreamer * Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __GST_GL_MIXER_H__ #define __GST_GL_MIXER_H__ #include <gst/gst.h> #include <gst/video/video.h> #include <gst/gl/gl.h> #include <gst/gl/gstglmixerpad.h> G_BEGIN_DECLS #define GST_TYPE_GL_MIXER (gst_gl_mixer_get_type()) #define GST_GL_MIXER(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER, GstGLMixer)) #define GST_GL_MIXER_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER, GstGLMixerClass)) #define GST_IS_GL_MIXER(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER)) #define GST_IS_GL_MIXER_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER)) #define GST_GL_MIXER_GET_CLASS(obj) \ (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER,GstGLMixerClass)) typedef struct _GstGLMixer GstGLMixer; typedef struct _GstGLMixerClass GstGLMixerClass; typedef struct _GstGLMixerPrivate GstGLMixerPrivate; typedef struct _GstGLMixerFrameData GstGLMixerFrameData; typedef gboolean (*GstGLMixerSetCaps) (GstGLMixer* mixer, GstCaps* outcaps); typedef void (*GstGLMixerReset) (GstGLMixer *mixer); typedef gboolean (*GstGLMixerProcessFunc) (GstGLMixer *mix, GPtrArray *buffers, GstBuffer *outbuf); typedef gboolean (*GstGLMixerProcessTextures) (GstGLMixer *mix, GPtrArray *frames, guint out_tex); struct _GstGLMixer { GstElement element; GstGLMixerPrivate *priv; /* pad */ GstPad *srcpad; /* Lock to prevent the state to change while blending */ GMutex lock; /* Sink pads using Collect Pads from core's base library */ GstCollectPads *collect; /* sinkpads, a GSList of GstGLMixerPads */ GSList *sinkpads; gint numpads; /* Next available sinkpad index */ gint next_sinkpad; GPtrArray *array_buffers; GPtrArray *frames; GstVideoInfo out_info; GLuint out_tex_id; GstGLDownload *download; gboolean newseg_pending; gboolean flush_stop_pending; GstSegment segment; GstClockTime ts_offset; guint64 nframes; /* sink event handling */ gdouble proportion; GstClockTime earliest_time; guint64 qos_processed, qos_dropped; GstGLDisplay *display; GstGLContext *context; GLuint fbo; GLuint depthbuffer; }; struct _GstGLMixerClass { GstElementClass parent_class; GstGLMixerSetCaps set_caps; GstGLMixerReset reset; GstGLMixerProcessFunc process_buffers; GstGLMixerProcessTextures process_textures; }; struct _GstGLMixerFrameData { GstGLMixerPad *pad; guint texture; }; GType gst_gl_mixer_get_type(void); gboolean gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf); G_END_DECLS #endif /* __GST_GL_MIXER_H__ */