mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 01:30:38 +00:00
149 lines
No EOL
4.7 KiB
C
149 lines
No EOL
4.7 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@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/gst.h>
|
|
|
|
#define GST_TYPE_VIDEO_FRAME (gst_video_frame_get_type())
|
|
#define GST_IS_VIDEO_FRAME(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VIDEO_FRAME))
|
|
#define GST_VIDEO_FRAME(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VIDEO_FRAME, GstVideoFrame))
|
|
#define GST_VIDEO_FRAME_CAST(obj) ((GstVideoFrame *)obj)
|
|
|
|
/**
|
|
* GstVideoFrameFlag:
|
|
* @GST_VIDEO_FRAME_FLAG_PREROLL: the frame is part of a preroll and should not be
|
|
* displayed.
|
|
* @GST_VIDEO_FRAME_FLAG_DISCONT: the frame marks a discontinuity in the stream.
|
|
* This typically occurs after a seek or a dropped buffer from a live or
|
|
* network source.
|
|
* @GST_VIDEO_FRAME_FLAG_GAP: the frame has been created to fill a gap in the
|
|
* stream and contains media neutral data (elements can switch to optimized code
|
|
* path that ignores the buffer content).
|
|
* @GST_VIDEO_FRAME_FLAG_DELTA_UNIT: the frame is a keyframe.
|
|
* @GST_VIDEO_FRAME_FLAG_SYNC_POINT: the frame marks a sync point.
|
|
* @GST_VIDEO_FRAME_FLAG_EOS: the frame is the last in the stream.
|
|
* @GST_VIDEO_FRAME_FLAG_TFF: If the frame is interlaced, then the first
|
|
* field in the video frame is the top field. If unset, the bottom field is first.
|
|
* @GST_VIDEO_FRAME_FLAG_LAST: additional flags can be added starting from this flag.
|
|
* A set of frame flags used to describe properties of a #GstVideoFrame.
|
|
*/
|
|
typedef enum
|
|
{
|
|
GST_VIDEO_FRAME_FLAG_PREROLL = (GST_MINI_OBJECT_FLAG_LAST << 0),
|
|
GST_VIDEO_FRAME_FLAG_DISCONT = (GST_MINI_OBJECT_FLAG_LAST << 1),
|
|
GST_VIDEO_FRAME_FLAG_GAP = (GST_MINI_OBJECT_FLAG_LAST << 2),
|
|
GST_VIDEO_FRAME_FLAG_KEYFRAME = (GST_MINI_OBJECT_FLAG_LAST << 3),
|
|
GST_VIDEO_FRAME_FLAG_SYNC_POINT = (GST_MINI_OBJECT_FLAG_LAST << 4),
|
|
GST_VIDEO_FRAME_FLAG_EOS = (GST_MINI_OBJECT_FLAG_LAST << 5),
|
|
GST_VIDEO_FRAME_FLAG_TFF = (GST_MINI_OBJECT_FLAG_LAST << 6),
|
|
GST_VIDEO_FRAME_FLAG_LAST = (GST_MINI_OBJECT_FLAG_LAST << 7)
|
|
} GstVideoFrameFlag;
|
|
|
|
typedef struct _GstVideoFrame GstVideoFrame;
|
|
typedef struct _GstVideoFrameClass GstVideoFrameClass;
|
|
|
|
struct _GstVideoFrame
|
|
{
|
|
GstMiniObject mini_object;
|
|
|
|
GstClockTime upstream_timestamp;
|
|
GstClockTime upstream_duration;
|
|
|
|
GstClockTime parsed_timestamp;
|
|
|
|
guint n_fields;
|
|
|
|
GstBuffer *sink_buffer;
|
|
GstBuffer *src_buffer;
|
|
};
|
|
|
|
struct _GstVideoFrameClass
|
|
{
|
|
GstMiniObjectClass mini_object_class;
|
|
};
|
|
|
|
/* refcounting */
|
|
/**
|
|
* gst_video_frame_ref:
|
|
* @frame: a #GstVideoFrame.
|
|
*
|
|
* Increases the refcount of the given frame by one.
|
|
*
|
|
* Returns: @frame
|
|
*/
|
|
#ifdef _FOOL_GTK_DOC_
|
|
G_INLINE_FUNC GstVideoFrame * gst_buffer_ref (GstVideoFrame * frame);
|
|
#endif
|
|
|
|
static inline GstVideoFrame *
|
|
gst_video_frame_ref (GstVideoFrame *frame)
|
|
{
|
|
return (GstVideoFrame *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (frame));
|
|
}
|
|
|
|
/**
|
|
* gst_video_frame_unref:
|
|
* @frame: a #GstVideoFrame.
|
|
*
|
|
* Decreases the refcount of the frame. If the refcount reaches 0, the frame
|
|
* will be freed.
|
|
*/
|
|
#ifdef _FOOL_GTK_DOC_
|
|
G_INLINE_FUNC void gst_video_frame_unref (GstVideoFrame * frame);
|
|
#endif
|
|
|
|
static inline void
|
|
gst_video_frame_unref (GstVideoFrame * frame)
|
|
{
|
|
gst_mini_object_unref (GST_MINI_OBJECT_CAST (frame));
|
|
}
|
|
|
|
/**
|
|
* GST_VIDEO_FRAME_FLAG_IS_SET:
|
|
* @buf: a #GstVideoFrame.
|
|
* @flag: the #GstVideoFrameFlag to check.
|
|
*
|
|
* Gives the status of a specific flag on a video frame.
|
|
*/
|
|
#define GST_VIDEO_FRAME_FLAG_IS_SET(frame,flag) GST_MINI_OBJECT_FLAG_IS_SET (frame, flag)
|
|
/**
|
|
* GST_VIDEO_FRAME_FLAG_SET:
|
|
* @buf: a #GstVideoFrame.
|
|
* @flag: the #GstVideoFrameFlag to set.
|
|
*
|
|
* Sets a frame flag on a video frame.
|
|
*/
|
|
#define GST_VIDEO_FRAME_FLAG_SET(frame,flag) GST_MINI_OBJECT_FLAG_SET (frame, flag)
|
|
/**
|
|
* GST_VIDEO_FRAME_FLAG_UNSET:
|
|
* @buf: a #GstVideoFrame.
|
|
* @flag: the #GstVideoFrameFlag to clear.
|
|
*
|
|
* Clears a frame flag.
|
|
*/
|
|
#define GST_VIDEO_FRAME_FLAG_UNSET(frame,flag) GST_MINI_OBJECT_FLAG_UNSET (frame, flag)
|
|
|
|
GstVideoFrame *gst_video_frame_new (void);
|
|
|
|
GType gst_video_frame_get_type (void);
|
|
|
|
#endif |