gstreamer/gst-libs/gst/video/video-multiview.h
Tim-Philipp Müller ae429de8f6 video: GST_EXPORT -> GST_VIDEO_API
We need different export decorators for the different libs.
For now no actual change though, just rename before the release,
and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 12:16:42 +00:00

103 lines
3.3 KiB
C

/* 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
#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