mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/*
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, 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 <gst/gl/gl.h>
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#include <gst/gl/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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#define GST_GL_MIXER_GET_LOCK(mix) (GST_GL_MIXER(mix)->lock)
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#define GST_GL_MIXER_LOCK(mix) (g_mutex_lock(&GST_GL_MIXER_GET_LOCK (mix)))
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#define GST_GL_MIXER_UNLOCK(mix) (g_mutex_unlock(&GST_GL_MIXER_GET_LOCK (mix)))
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typedef struct _GstGLMixer GstGLMixer;
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typedef struct _GstGLMixerClass GstGLMixerClass;
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typedef struct _GstGLMixerPrivate GstGLMixerPrivate;
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typedef struct _GstGLMixerFrameData GstGLMixerFrameData;
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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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GPtrArray *buffers, GstBuffer *outbuf);
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typedef gboolean (*GstGLMixerProcessTextures) (GstGLMixer *mix,
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GPtrArray *frames, guint out_tex);
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struct _GstGLMixer
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{
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GstElement element;
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GstGLMixerPrivate *priv;
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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 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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gint numpads;
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/* Next available sinkpad index */
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gint next_sinkpad;
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GPtrArray *array_buffers;
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GPtrArray *frames;
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GstCaps *current_caps;
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GstVideoInfo out_info;
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GLuint out_tex_id;
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GstGLDownload *download;
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gboolean newseg_pending;
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gboolean flush_stop_pending;
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gboolean send_stream_start;
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gboolean send_caps;
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GstSegment segment;
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GstClockTime ts_offset;
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guint64 nframes;
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/* sink event handling */
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gdouble proportion;
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GstClockTime earliest_time;
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guint64 qos_processed, qos_dropped;
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GstGLDisplay *display;
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GstGLContext *context;
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GLuint fbo;
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GLuint depthbuffer;
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GType pad_type;
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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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GstGLMixerProcessTextures process_textures;
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};
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struct _GstGLMixerFrameData
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{
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GstGLMixerPad *pad;
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guint texture;
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};
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GType gst_gl_mixer_get_type(void);
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gboolean gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf);
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void gst_gl_mixer_set_pad_type (GstGLMixer * mix, GType pad_type);
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G_END_DECLS
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#endif /* __GST_GL_MIXER_H__ */
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