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108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
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/*
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* GStreamer
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* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_GL_MIXER_H__
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#define __GST_GL_MIXER_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "gstglmixerpad.h"
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G_BEGIN_DECLS
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#define GST_TYPE_GL_MIXER (gst_gl_mixer_get_type())
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#define GST_GL_MIXER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER, GstGLMixer))
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#define GST_GL_MIXER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER, GstGLMixerClass))
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#define GST_IS_GL_MIXER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER))
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#define GST_IS_GL_MIXER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER))
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#define GST_GL_MIXER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER,GstGLMixerClass))
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typedef struct _GstGLMixer GstGLMixer;
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typedef struct _GstGLMixerClass GstGLMixerClass;
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typedef gboolean (*GstGLMixerSetCaps) (GstGLMixer* mixer,
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GstCaps* outcaps);
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typedef void (*GstGLMixerReset) (GstGLMixer *mixer);
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typedef gboolean (*GstGLMixerProcessFunc) (GstGLMixer *mix,
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GArray *buffers, GstBuffer *outbuf);
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struct _GstGLMixer
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{
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GstElement element;
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/* pad */
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GstPad *srcpad;
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/* Lock to prevent the state to change while blending */
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GMutex *state_lock;
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/* Sink pads using Collect Pads from core's base library */
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GstCollectPads *collect;
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/* sinkpads, a GSList of GstGLMixerPads */
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GSList *sinkpads;
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GArray *array_buffers;
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gint numpads;
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GstClockTime last_ts;
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/* the master pad */
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GstGLMixerPad *master;
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gint width;
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gint height;
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gboolean setcaps;
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gboolean sendseg;
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gint fps_n;
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gint fps_d;
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/* Next available sinkpad index */
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gint next_sinkpad;
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/* sink event handling */
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GstPadEventFunction collect_event;
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guint64 segment_position;
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gdouble segment_rate;
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GstGLDisplay *display;
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GLuint fbo;
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GLuint depthbuffer;
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};
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struct _GstGLMixerClass
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{
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GstElementClass parent_class;
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GstGLMixerSetCaps set_caps;
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GstGLMixerReset reset;
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GstGLMixerProcessFunc process_buffers;
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};
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GType gst_gl_mixer_get_type(void);
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G_END_DECLS
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#endif /* __GST_GL_MIXER_H__ */
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