/*

 * 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;

    /* 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