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/*
* GStreamer
* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
* Copyright (C) 2005,2006,2007 David A. Schleef <ds@schleef.org>
* Copyright (C) 2008 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 _GLIMAGESINK_H_
#define _GLIMAGESINK_H_
#include <gst/gst.h>
#include <gst/video/gstvideosink.h>
#include <gst/video/video.h>
#include <gst/gl/gl.h>
#include <gst/gl/gstglfuncs.h>
G_BEGIN_DECLS
GST_DEBUG_CATEGORY_EXTERN (gst_debug_glimage_sink);
#define GST_TYPE_GLIMAGE_SINK \
(gst_glimage_sink_get_type())
#define GST_GLIMAGE_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GLIMAGE_SINK,GstGLImageSink))
#define GST_GLIMAGE_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GLIMAGE_SINK,GstGLImageSinkClass))
#define GST_IS_GLIMAGE_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GLIMAGE_SINK))
#define GST_IS_GLIMAGE_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GLIMAGE_SINK))
typedef enum
{
GST_GL_ROTATE_METHOD_IDENTITY,
GST_GL_ROTATE_METHOD_90R,
GST_GL_ROTATE_METHOD_180,
GST_GL_ROTATE_METHOD_90L,
GST_GL_ROTATE_METHOD_FLIP_HORIZ,
GST_GL_ROTATE_METHOD_FLIP_VERT,
GST_GL_ROTATE_METHOD_FLIP_UL_LR,
GST_GL_ROTATE_METHOD_FLIP_UR_LL,
GST_GL_ROTATE_METHOD_AUTO,
}GstGLRotateMethod;
typedef struct _GstGLImageSink GstGLImageSink;
typedef struct _GstGLImageSinkClass GstGLImageSinkClass;
struct _GstGLImageSink
{
GstVideoSink video_sink;
guintptr window_id;
guintptr new_window_id;
gulong mouse_sig_id;
gulong key_sig_id;
gulong mouse_scroll_sig_id;
/* GstVideoOverlay::set_render_rectangle() cache */
gint x;
gint y;
gint width;
gint height;
/* Input info before 3d stereo output conversion, if any */
GstVideoInfo in_info;
GstCaps *in_caps;
/* format/caps we actually hand off to the app */
GstVideoInfo out_info;
GstCaps *out_caps;
GstGLTextureTarget texture_target;
GstGLDisplay *display;
GstGLContext *context;
GstGLContext *other_context;
gboolean handle_events;
gboolean ignore_alpha;
GstGLViewConvert *convert_views;
/* Original input RGBA buffer, ready for display,
* or possible reconversion through the views filter */
GstBuffer *input_buffer;
/* Secondary view buffer - when operating in frame-by-frame mode */
GstBuffer *input_buffer2;
guint next_tex;
GstBuffer *next_buffer;
GstBuffer *next_buffer2; /* frame-by-frame 2nd view */
GstBuffer *next_sync;
GstGLSyncMeta *next_sync_meta;
volatile gint to_quit;
gboolean keep_aspect_ratio;
gint par_n, par_d;
/* avoid replacing the stored_buffer while drawing */
GMutex drawing_lock;
GstBuffer *stored_buffer[2];
GstBuffer *stored_sync;
GstGLSyncMeta *stored_sync_meta;
GLuint redisplay_texture;
/* protected with drawing_lock */
gboolean window_resized;
guint window_width;
guint window_height;
GstVideoRectangle display_rect;
GstGLShader *redisplay_shader;
GLuint vao;
GLuint vbo_indices;
GLuint vertex_buffer;
GLint attr_position;
GLint attr_texture;
GstVideoMultiviewMode mview_output_mode;
GstVideoMultiviewFlags mview_output_flags;
gboolean output_mode_changed;
GstGLStereoDownmix mview_downmix_mode;
GstGLOverlayCompositor *overlay_compositor;
/* current video flip method */
GstGLRotateMethod current_rotate_method;
GstGLRotateMethod rotate_method;
const gfloat *transform_matrix;
};
struct _GstGLImageSinkClass
{
GstVideoSinkClass video_sink_class;
};
GType gst_glimage_sink_get_type(void);
GType gst_gl_image_sink_bin_get_type(void);
G_END_DECLS
#endif
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