mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-21 07:46:38 +00:00
ea2619aadc
GST_VIDEO_FRAME_FLAG_BOTTOM_FIELD is a subset of GST_VIDEO_FRAME_FLAG_TOP_FIELD so needs to be checked accordingly. Fix #726
254 lines
12 KiB
C
254 lines
12 KiB
C
/* GStreamer
|
|
* Copyright (C) <2011> Wim Taymans <wim.taymans@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 __GST_VIDEO_FRAME_H__
|
|
#define __GST_VIDEO_FRAME_H__
|
|
|
|
#include <gst/video/video-enumtypes.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstVideoFrame GstVideoFrame;
|
|
|
|
/**
|
|
* GstVideoFrameFlags:
|
|
* @GST_VIDEO_FRAME_FLAG_NONE: no flags
|
|
* @GST_VIDEO_FRAME_FLAG_INTERLACED: The video frame is interlaced. In mixed
|
|
* interlace-mode, this flag specifies if the frame is interlaced or
|
|
* progressive.
|
|
* @GST_VIDEO_FRAME_FLAG_TFF: The video frame has the top field first
|
|
* @GST_VIDEO_FRAME_FLAG_RFF: The video frame has the repeat flag
|
|
* @GST_VIDEO_FRAME_FLAG_ONEFIELD: The video frame has one field
|
|
* @GST_VIDEO_FRAME_FLAG_MULTIPLE_VIEW: The video contains one or
|
|
* more non-mono views
|
|
* @GST_VIDEO_FRAME_FLAG_FIRST_IN_BUNDLE: The video frame is the first
|
|
* in a set of corresponding views provided as sequential frames.
|
|
* @GST_VIDEO_FRAME_FLAG_TOP_FIELD: The video frame has the top field only. This
|
|
* is the same as GST_VIDEO_FRAME_FLAG_TFF | GST_VIDEO_FRAME_FLAG_ONEFIELD
|
|
* (Since: 1.16).
|
|
* @GST_VIDEO_FRAME_FLAG_BOTTOM_FIELD: The video frame has the bottom field
|
|
* only. This is the same as GST_VIDEO_FRAME_FLAG_ONEFIELD
|
|
* (GST_VIDEO_FRAME_FLAG_TFF flag unset) (Since: 1.16).
|
|
*
|
|
* Extra video frame flags
|
|
*/
|
|
typedef enum {
|
|
GST_VIDEO_FRAME_FLAG_NONE = 0,
|
|
GST_VIDEO_FRAME_FLAG_INTERLACED = (1 << 0),
|
|
GST_VIDEO_FRAME_FLAG_TFF = (1 << 1),
|
|
GST_VIDEO_FRAME_FLAG_RFF = (1 << 2),
|
|
GST_VIDEO_FRAME_FLAG_ONEFIELD = (1 << 3),
|
|
GST_VIDEO_FRAME_FLAG_MULTIPLE_VIEW = (1 << 4),
|
|
GST_VIDEO_FRAME_FLAG_FIRST_IN_BUNDLE = (1 << 5),
|
|
GST_VIDEO_FRAME_FLAG_TOP_FIELD = GST_VIDEO_FRAME_FLAG_TFF |
|
|
GST_VIDEO_FRAME_FLAG_ONEFIELD,
|
|
GST_VIDEO_FRAME_FLAG_BOTTOM_FIELD = GST_VIDEO_FRAME_FLAG_ONEFIELD,
|
|
} GstVideoFrameFlags;
|
|
|
|
/* circular dependency, need to include this after defining the enums */
|
|
#include <gst/video/video-format.h>
|
|
#include <gst/video/video-info.h>
|
|
|
|
/**
|
|
* GstVideoFrame:
|
|
* @info: the #GstVideoInfo
|
|
* @flags: #GstVideoFrameFlags for the frame
|
|
* @buffer: the mapped buffer
|
|
* @meta: pointer to metadata if any
|
|
* @id: id of the mapped frame. the id can for example be used to
|
|
* identify the frame in case of multiview video.
|
|
* @data: pointers to the plane data
|
|
* @map: mappings of the planes
|
|
*
|
|
* A video frame obtained from gst_video_frame_map()
|
|
*/
|
|
struct _GstVideoFrame {
|
|
GstVideoInfo info;
|
|
GstVideoFrameFlags flags;
|
|
|
|
GstBuffer *buffer;
|
|
gpointer meta;
|
|
gint id;
|
|
|
|
gpointer data[GST_VIDEO_MAX_PLANES];
|
|
GstMapInfo map[GST_VIDEO_MAX_PLANES];
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
GST_VIDEO_API
|
|
gboolean gst_video_frame_map (GstVideoFrame *frame, GstVideoInfo *info,
|
|
GstBuffer *buffer, GstMapFlags flags);
|
|
|
|
GST_VIDEO_API
|
|
gboolean gst_video_frame_map_id (GstVideoFrame *frame, GstVideoInfo *info,
|
|
GstBuffer *buffer, gint id, GstMapFlags flags);
|
|
|
|
GST_VIDEO_API
|
|
void gst_video_frame_unmap (GstVideoFrame *frame);
|
|
|
|
GST_VIDEO_API
|
|
gboolean gst_video_frame_copy (GstVideoFrame *dest, const GstVideoFrame *src);
|
|
|
|
GST_VIDEO_API
|
|
gboolean gst_video_frame_copy_plane (GstVideoFrame *dest, const GstVideoFrame *src,
|
|
guint plane);
|
|
|
|
/* general info */
|
|
#define GST_VIDEO_FRAME_FORMAT(f) (GST_VIDEO_INFO_FORMAT(&(f)->info))
|
|
#define GST_VIDEO_FRAME_WIDTH(f) (GST_VIDEO_INFO_WIDTH(&(f)->info))
|
|
#define GST_VIDEO_FRAME_HEIGHT(f) (GST_VIDEO_INFO_HEIGHT(&(f)->info))
|
|
#define GST_VIDEO_FRAME_SIZE(f) (GST_VIDEO_INFO_SIZE(&(f)->info))
|
|
|
|
/* flags */
|
|
#define GST_VIDEO_FRAME_FLAGS(f) ((f)->flags)
|
|
#define GST_VIDEO_FRAME_FLAG_IS_SET(f,fl) ((GST_VIDEO_FRAME_FLAGS(f) & (fl)) == (fl))
|
|
#define GST_VIDEO_FRAME_IS_INTERLACED(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_INTERLACED))
|
|
#define GST_VIDEO_FRAME_IS_TFF(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_TFF))
|
|
#define GST_VIDEO_FRAME_IS_RFF(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_RFF))
|
|
#define GST_VIDEO_FRAME_IS_ONEFIELD(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_ONEFIELD))
|
|
#define GST_VIDEO_FRAME_IS_TOP_FIELD(f) (GST_VIDEO_FRAME_FLAG_IS_SET(f, GST_VIDEO_FRAME_FLAG_TOP_FIELD))
|
|
|
|
/* GST_VIDEO_FRAME_FLAG_BOTTOM_FIELD is a subset of
|
|
* GST_VIDEO_FRAME_FLAG_TOP_FIELD so needs to be checked accordingly. */
|
|
#define _GST_VIDEO_FRAME_FLAG_FIELD_MASK GST_VIDEO_FRAME_FLAG_TOP_FIELD
|
|
|
|
#define GST_VIDEO_FRAME_IS_BOTTOM_FIELD(f) (((f)->flags & _GST_VIDEO_FRAME_FLAG_FIELD_MASK) == GST_VIDEO_FRAME_FLAG_BOTTOM_FIELD)
|
|
|
|
/* dealing with planes */
|
|
#define GST_VIDEO_FRAME_N_PLANES(f) (GST_VIDEO_INFO_N_PLANES(&(f)->info))
|
|
#define GST_VIDEO_FRAME_PLANE_DATA(f,p) ((f)->data[p])
|
|
#define GST_VIDEO_FRAME_PLANE_OFFSET(f,p) (GST_VIDEO_INFO_PLANE_OFFSET(&(f)->info,(p)))
|
|
#define GST_VIDEO_FRAME_PLANE_STRIDE(f,p) (GST_VIDEO_INFO_PLANE_STRIDE(&(f)->info,(p)))
|
|
|
|
/* dealing with components */
|
|
#define GST_VIDEO_FRAME_N_COMPONENTS(f) GST_VIDEO_INFO_N_COMPONENTS(&(f)->info)
|
|
#define GST_VIDEO_FRAME_COMP_DEPTH(f,c) GST_VIDEO_INFO_COMP_DEPTH(&(f)->info,(c))
|
|
#define GST_VIDEO_FRAME_COMP_DATA(f,c) GST_VIDEO_INFO_COMP_DATA(&(f)->info,(f)->data,(c))
|
|
#define GST_VIDEO_FRAME_COMP_STRIDE(f,c) GST_VIDEO_INFO_COMP_STRIDE(&(f)->info,(c))
|
|
#define GST_VIDEO_FRAME_COMP_OFFSET(f,c) GST_VIDEO_INFO_COMP_OFFSET(&(f)->info,(c))
|
|
#define GST_VIDEO_FRAME_COMP_WIDTH(f,c) GST_VIDEO_INFO_COMP_WIDTH(&(f)->info,(c))
|
|
#define GST_VIDEO_FRAME_COMP_HEIGHT(f,c) GST_VIDEO_INFO_COMP_HEIGHT(&(f)->info,(c))
|
|
#define GST_VIDEO_FRAME_COMP_PLANE(f,c) GST_VIDEO_INFO_COMP_PLANE(&(f)->info,(c))
|
|
#define GST_VIDEO_FRAME_COMP_PSTRIDE(f,c) GST_VIDEO_INFO_COMP_PSTRIDE(&(f)->info,(c))
|
|
#define GST_VIDEO_FRAME_COMP_POFFSET(f,c) GST_VIDEO_INFO_COMP_POFFSET(&(f)->info,(c))
|
|
|
|
/* buffer flags */
|
|
|
|
/**
|
|
* GstVideoBufferFlags:
|
|
* @GST_VIDEO_BUFFER_FLAG_INTERLACED: If the #GstBuffer is interlaced. In mixed
|
|
* interlace-mode, this flags specifies if the frame is
|
|
* interlaced or progressive.
|
|
* @GST_VIDEO_BUFFER_FLAG_TFF: If the #GstBuffer is interlaced, then the first field
|
|
* in the video frame is the top field. If unset, the
|
|
* bottom field is first.
|
|
* @GST_VIDEO_BUFFER_FLAG_RFF: If the #GstBuffer is interlaced, then the first field
|
|
* (as defined by the %GST_VIDEO_BUFFER_FLAG_TFF flag setting)
|
|
* is repeated.
|
|
* @GST_VIDEO_BUFFER_FLAG_ONEFIELD: If the #GstBuffer is interlaced, then only the
|
|
* first field (as defined by the %GST_VIDEO_BUFFER_FLAG_TFF
|
|
* flag setting) is to be displayed (Since: 1.16).
|
|
* @GST_VIDEO_BUFFER_FLAG_MULTIPLE_VIEW: The #GstBuffer contains one or more specific views,
|
|
* such as left or right eye view. This flags is set on
|
|
* any buffer that contains non-mono content - even for
|
|
* streams that contain only a single viewpoint. In mixed
|
|
* mono / non-mono streams, the absence of the flag marks
|
|
* mono buffers.
|
|
* @GST_VIDEO_BUFFER_FLAG_FIRST_IN_BUNDLE: When conveying stereo/multiview content with
|
|
* frame-by-frame methods, this flag marks the first buffer
|
|
* in a bundle of frames that belong together.
|
|
* @GST_VIDEO_BUFFER_FLAG_TOP_FIELD: The video frame has the top field only. This is the
|
|
* same as GST_VIDEO_BUFFER_FLAG_TFF |
|
|
* GST_VIDEO_BUFFER_FLAG_ONEFIELD (Since: 1.16).
|
|
* Use GST_VIDEO_BUFFER_IS_TOP_FIELD() to check for this flag.
|
|
* @GST_VIDEO_BUFFER_FLAG_BOTTOM_FIELD: The video frame has the bottom field only. This is
|
|
* the same as GST_VIDEO_BUFFER_FLAG_ONEFIELD
|
|
* (GST_VIDEO_BUFFER_FLAG_TFF flag unset) (Since: 1.16).
|
|
* Use GST_VIDEO_BUFFER_IS_BOTTOM_FIELD() to check for this flag.
|
|
* @GST_VIDEO_BUFFER_FLAG_MARKER: The #GstBuffer contains the end of a video field or frame
|
|
* boundary such as the last subframe or packet (Since: 1.18).
|
|
* @GST_VIDEO_BUFFER_FLAG_LAST: Offset to define more flags
|
|
*
|
|
* Additional video buffer flags. These flags can potentially be used on any
|
|
* buffers carrying closed caption data, or video data - even encoded data.
|
|
*
|
|
* Note that these are only valid for #GstCaps of type: video/... and caption/...
|
|
* They can conflict with other extended buffer flags.
|
|
*/
|
|
typedef enum {
|
|
GST_VIDEO_BUFFER_FLAG_INTERLACED = (GST_BUFFER_FLAG_LAST << 0),
|
|
GST_VIDEO_BUFFER_FLAG_TFF = (GST_BUFFER_FLAG_LAST << 1),
|
|
GST_VIDEO_BUFFER_FLAG_RFF = (GST_BUFFER_FLAG_LAST << 2),
|
|
GST_VIDEO_BUFFER_FLAG_ONEFIELD = (GST_BUFFER_FLAG_LAST << 3),
|
|
|
|
GST_VIDEO_BUFFER_FLAG_MULTIPLE_VIEW = (GST_BUFFER_FLAG_LAST << 4),
|
|
GST_VIDEO_BUFFER_FLAG_FIRST_IN_BUNDLE = (GST_BUFFER_FLAG_LAST << 5),
|
|
|
|
GST_VIDEO_BUFFER_FLAG_TOP_FIELD = GST_VIDEO_BUFFER_FLAG_TFF |
|
|
GST_VIDEO_BUFFER_FLAG_ONEFIELD,
|
|
GST_VIDEO_BUFFER_FLAG_BOTTOM_FIELD = GST_VIDEO_BUFFER_FLAG_ONEFIELD,
|
|
|
|
GST_VIDEO_BUFFER_FLAG_MARKER = GST_BUFFER_FLAG_MARKER,
|
|
|
|
GST_VIDEO_BUFFER_FLAG_LAST = (GST_BUFFER_FLAG_LAST << 8)
|
|
} GstVideoBufferFlags;
|
|
|
|
/* GST_VIDEO_BUFFER_FLAG_TOP_FIELD is a subset of
|
|
* GST_VIDEO_BUFFER_FLAG_BOTTOM_FIELD so needs to be checked accordingly. */
|
|
#define _GST_VIDEO_BUFFER_FLAG_FIELD_MASK GST_VIDEO_BUFFER_FLAG_TOP_FIELD
|
|
|
|
/**
|
|
* GST_VIDEO_BUFFER_IS_TOP_FIELD:
|
|
* @buf: a #GstBuffer
|
|
*
|
|
* Check if GST_VIDEO_BUFFER_FLAG_TOP_FIELD is set on @buf (Since: 1.18).
|
|
*/
|
|
#define GST_VIDEO_BUFFER_IS_TOP_FIELD(buf) ((GST_BUFFER_FLAGS (buf) & _GST_VIDEO_BUFFER_FLAG_FIELD_MASK) == GST_VIDEO_BUFFER_FLAG_TOP_FIELD)
|
|
|
|
/**
|
|
* GST_VIDEO_BUFFER_IS_BOTTOM_FIELD:
|
|
* @buf: a #GstBuffer
|
|
*
|
|
* Check if GST_VIDEO_BUFFER_FLAG_BOTTOM_FIELD is set on @buf (Since: 1.18).
|
|
*/
|
|
#define GST_VIDEO_BUFFER_IS_BOTTOM_FIELD(buf) ((GST_BUFFER_FLAGS (buf) & _GST_VIDEO_BUFFER_FLAG_FIELD_MASK) == GST_VIDEO_BUFFER_FLAG_BOTTOM_FIELD)
|
|
|
|
/**
|
|
* GstVideoFrameMapFlags:
|
|
* @GST_VIDEO_FRAME_MAP_FLAG_NO_REF: Don't take another reference of the buffer and store it in
|
|
* the GstVideoFrame. This makes sure that the buffer stays
|
|
* writable while the frame is mapped, but requires that the
|
|
* buffer reference stays valid until the frame is unmapped again.
|
|
* @GST_VIDEO_FRAME_MAP_FLAG_LAST: Offset to define more flags
|
|
*
|
|
* Additional mapping flags for gst_video_frame_map().
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
typedef enum {
|
|
GST_VIDEO_FRAME_MAP_FLAG_NO_REF = (GST_MAP_FLAG_LAST << 0),
|
|
GST_VIDEO_FRAME_MAP_FLAG_LAST = (GST_MAP_FLAG_LAST << 8)
|
|
/* 8 more flags possible afterwards */
|
|
} GstVideoFrameMapFlags;
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VIDEO_FRAME_H__ */
|