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/* GStreamer
* Copyright (C) <2015> Jan Schmidt <jan@centricular.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 __GST_VIDEO_MULTIVIEW_H__
#define __GST_VIDEO_MULTIVIEW_H__
#include <gst/gst.h>
#include <gst/video/video-prelude.h>
G_BEGIN_DECLS
/**
* GstVideoMultiviewFlagsSet:
*
* See #GstVideoMultiviewFlags.
*/
#define GST_TYPE_VIDEO_MULTIVIEW_FLAGSET (gst_video_multiview_flagset_get_type())
GST_VIDEO_API
GType gst_video_multiview_flagset_get_type (void);
GST_VIDEO_API
const gchar * gst_video_multiview_mode_to_caps_string (GstVideoMultiviewMode mview_mode);
GST_VIDEO_API
GstVideoMultiviewMode gst_video_multiview_mode_from_caps_string (const gchar * caps_mview_mode);
GST_VIDEO_API
const GValue *gst_video_multiview_get_mono_modes(void);
GST_VIDEO_API
const GValue *gst_video_multiview_get_unpacked_modes(void);
GST_VIDEO_API
const GValue *gst_video_multiview_get_doubled_height_modes(void);
GST_VIDEO_API
const GValue *gst_video_multiview_get_doubled_width_modes(void);
GST_VIDEO_API
const GValue *gst_video_multiview_get_doubled_size_modes(void);
GST_VIDEO_API
void gst_video_multiview_video_info_change_mode (GstVideoInfo *info,
GstVideoMultiviewMode out_mview_mode, GstVideoMultiviewFlags out_mview_flags);
GST_VIDEO_API
gboolean gst_video_multiview_guess_half_aspect (GstVideoMultiviewMode mv_mode,
guint width, guint height, guint par_n, guint par_d);
#if 0 /* Place-holder for later MVC support */
#define GST_VIDEO_MULTIVIEW_META_API_TYPE (gst_video_multiview_meta_api_get_type())
#define GST_VIDEO_MULTIVIEW_META_INFO (gst_video_multiview_meta_get_info())
typedef struct _GstVideoMultiviewMeta GstVideoMultiviewMeta;
typedef struct _GstVideoMultiviewViewInfo GstVideoMultiviewViewInfo;
GType gst_video_multiview_meta_api_get_type (void);
const GstMetaInfo * gst_video_multiview_meta_get_info (void);
GstVideoMultiviewMeta * gst_buffer_add_video_multiview_meta (GstBuffer *buffer, guint n_views);
#define gst_buffer_get_video_multiview_meta(b) ((GstVideoMultiviewMeta *)gst_buffer_get_meta((b),GST_VIDEO_MULTIVIEW_META_API_TYPE))
void gst_video_multiview_meta_set_n_views (GstVideoMultiviewMeta *mview_meta, guint n_views);
typedef enum {
GST_VIDEO_MULTIVIEW_VIEW_UNKNOWN = 0,
GST_VIDEO_MULTIVIEW_VIEW_MONO = 1,
GST_VIDEO_MULTIVIEW_VIEW_LEFT = 2,
GST_VIDEO_MULTIVIEW_VIEW_RIGHT = 3
} GstVideoMultiviewViewLabel;
struct _GstVideoMultiviewViewInfo {
GstVideoMultiviewViewLabel view_label;
guint meta_id; /* id of the GstVideoMeta for this view */
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
struct _GstVideoMultiviewMeta {
GstMeta meta;
guint n_views;
GstVideoMultiviewViewInfo *view_info;
};
#endif
G_END_DECLS
#endif
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