mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-29 11:20:43 +00:00
9a2344c2e5
Expose the gst_video_info_align function that adds padding and does stride alignment on a GstVideoInfo. Move this previously private function to video-info.co Move the definition of the alignment structure to video.h where it can be picked up by both the bufferpool and the video-info.
88 lines
3.4 KiB
C
88 lines
3.4 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_VIDEO_H__
|
|
#define __GST_VIDEO_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
typedef struct _GstVideoAlignment GstVideoAlignment;
|
|
|
|
#include <gst/video/video-event.h>
|
|
#include <gst/video/video-format.h>
|
|
#include <gst/video/video-color.h>
|
|
#include <gst/video/video-info.h>
|
|
#include <gst/video/video-frame.h>
|
|
#include <gst/video/video-enumtypes.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/**
|
|
* GstVideoAlignment:
|
|
* @padding_left: extra pixels on the left side
|
|
* @padding_right: extra pixels on the right side
|
|
* @padding_top: extra pixels on the top
|
|
* @padding_bottom: extra pixels on the bottom
|
|
* @stride_align: array with extra alignment requirements for the strides
|
|
*
|
|
* Extra alignment paramters for the memory of video buffers. This
|
|
* structure is usually used to configure the bufferpool if it supports the
|
|
* #GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT.
|
|
*/
|
|
struct _GstVideoAlignment
|
|
{
|
|
guint padding_top;
|
|
guint padding_bottom;
|
|
guint padding_left;
|
|
guint padding_right;
|
|
guint stride_align[GST_VIDEO_MAX_PLANES];
|
|
};
|
|
|
|
void gst_video_alignment_reset (GstVideoAlignment *align);
|
|
|
|
|
|
/* some helper functions */
|
|
gboolean gst_video_calculate_display_ratio (guint * dar_n,
|
|
guint * dar_d,
|
|
guint video_width,
|
|
guint video_height,
|
|
guint video_par_n,
|
|
guint video_par_d,
|
|
guint display_par_n,
|
|
guint display_par_d);
|
|
|
|
/* convert/encode video sample from one format to another */
|
|
|
|
typedef void (*GstVideoConvertSampleCallback) (GstSample * sample, GError *error, gpointer user_data);
|
|
|
|
void gst_video_convert_sample_async (GstSample * sample,
|
|
const GstCaps * to_caps,
|
|
GstClockTime timeout,
|
|
GstVideoConvertSampleCallback callback,
|
|
gpointer user_data,
|
|
GDestroyNotify destroy_notify);
|
|
|
|
GstSample * gst_video_convert_sample (GstSample * sample,
|
|
const GstCaps * to_caps,
|
|
GstClockTime timeout,
|
|
GError ** error);
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VIDEO_H__ */
|