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77676ffc90
Support video with multiview info in the caps, transform it to mono anaglyph by default, but allow for configuring other output modes and handoff to the app via the draw signal. https://bugzilla.gnome.org/show_bug.cgi?id=611157
133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/*
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* GStreamer
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* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
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* Copyright (C) 2005,2006,2007 David A. Schleef <ds@schleef.org>
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* Copyright (C) 2008 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 _GLIMAGESINK_H_
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#define _GLIMAGESINK_H_
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#include <gst/gst.h>
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#include <gst/video/gstvideosink.h>
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#include <gst/video/video.h>
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#include <gst/gl/gl.h>
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G_BEGIN_DECLS
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GST_DEBUG_CATEGORY_EXTERN (gst_debug_glimage_sink);
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#define GST_TYPE_GLIMAGE_SINK \
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(gst_glimage_sink_get_type())
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#define GST_GLIMAGE_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GLIMAGE_SINK,GstGLImageSink))
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#define GST_GLIMAGE_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GLIMAGE_SINK,GstGLImageSinkClass))
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#define GST_IS_GLIMAGE_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GLIMAGE_SINK))
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#define GST_IS_GLIMAGE_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GLIMAGE_SINK))
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typedef struct _GstGLImageSink GstGLImageSink;
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typedef struct _GstGLImageSinkClass GstGLImageSinkClass;
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struct _GstGLImageSink
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{
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GstVideoSink video_sink;
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guintptr window_id;
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guintptr new_window_id;
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gulong mouse_sig_id;
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gulong key_sig_id;
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/* GstVideoOverlay::set_render_rectangle() cache */
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gint x;
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gint y;
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gint width;
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gint height;
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/* Input info before 3d stereo output conversion, if any */
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GstVideoInfo in_info;
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/* format/caps we actually hand off to the app */
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GstVideoInfo out_info;
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GstCaps *out_caps;
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GstGLDisplay *display;
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GstGLContext *context;
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GstGLContext *other_context;
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gboolean handle_events;
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gboolean ignore_alpha;
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GstGLViewConvert *convert_views;
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/* Original input RGBA buffer, ready for display,
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* or possible reconversion through the views filter */
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GstBuffer *input_buffer;
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/* Secondary view buffer - when operating in frame-by-frame mode */
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GstBuffer *input_buffer2;
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guint next_tex;
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GstBuffer *next_buffer;
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GstBuffer *next_buffer2; /* frame-by-frame 2nd view */
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GstBuffer *next_sync;
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volatile gint to_quit;
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gboolean keep_aspect_ratio;
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gint par_n, par_d;
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/* avoid replacing the stored_buffer while drawing */
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GMutex drawing_lock;
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GstBuffer *stored_buffer[2];
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GstBuffer *stored_sync;
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GLuint redisplay_texture;
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gboolean caps_change;
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guint window_width;
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guint window_height;
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gboolean update_viewport;
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GstVideoRectangle display_rect;
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GstGLShader *redisplay_shader;
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GLuint vao;
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GLuint vbo_indices;
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GLuint vertex_buffer;
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GLint attr_position;
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GLint attr_texture;
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GstVideoMultiviewMode mview_output_mode;
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GstVideoMultiviewFlags mview_output_flags;
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gboolean output_mode_changed;
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GstGLStereoDownmix mview_downmix_mode;
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};
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struct _GstGLImageSinkClass
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{
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GstVideoSinkClass video_sink_class;
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};
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GType gst_glimage_sink_get_type(void);
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GType gst_gl_image_sink_bin_get_type(void);
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G_END_DECLS
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#endif
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