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87d8270f30
Allows insertion of gl elements into non-gl pipelines without converter (upload/download) elements. https://bugzilla.gnome.org/show_bug.cgi?id=743974
128 lines
3.9 KiB
C
128 lines
3.9 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 "gstglbasemixer.h"
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G_BEGIN_DECLS
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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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#define GST_TYPE_GL_MIXER_PAD (gst_gl_mixer_pad_get_type())
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#define GST_GL_MIXER_PAD(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER_PAD, GstGLMixerPad))
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#define GST_GL_MIXER_PAD_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER_PAD, GstGLMixerPadClass))
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#define GST_IS_GL_MIXER_PAD(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER_PAD))
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#define GST_IS_GL_MIXER_PAD_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER_PAD))
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#define GST_GL_MIXER_PAD_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER_PAD,GstGLMixerPadClass))
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typedef struct _GstGLMixerPad GstGLMixerPad;
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typedef struct _GstGLMixerPadClass GstGLMixerPadClass;
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/* all information needed for one video stream */
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struct _GstGLMixerPad
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{
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GstGLBaseMixerPad parent;
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GstGLUpload *upload;
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GstBuffer *uploaded_buffer;
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};
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struct _GstGLMixerPadClass
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{
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GstGLBaseMixerPadClass parent_class;
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GstBuffer * (*upload_buffer) (GstGLMixer * mix, GstGLMixerFrameData * frame, GstBuffer * buffer);
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};
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GType gst_gl_mixer_pad_get_type (void);
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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 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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GstGLBaseMixer vaggregator;
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GPtrArray *array_buffers;
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GPtrArray *frames;
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GLuint fbo;
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GLuint depthbuffer;
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GstCaps *out_caps;
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GstGLMixerPrivate *priv;
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};
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struct _GstGLMixerClass
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{
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GstGLBaseMixerClass 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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gboolean mapped;
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GstVideoFrame v_frame;
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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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GstCaps * gst_gl_mixer_update_caps (GstGLMixer * mix, GstCaps * caps);
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G_END_DECLS
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#endif /* __GST_GL_MIXER_H__ */
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