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141 lines
4.8 KiB
C
141 lines
4.8 KiB
C
/* GStreamer
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* Copyright (C) <2011> Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_VIDEO_H__
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#define __GST_VIDEO_H__
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#include <gst/gst.h>
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typedef struct _GstVideoAlignment GstVideoAlignment;
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#include <gst/video/video-format.h>
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#include <gst/video/video-color.h>
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#include <gst/video/video-info.h>
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#include <gst/video/video-frame.h>
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#include <gst/video/video-enumtypes.h>
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#include <gst/video/video-converter.h>
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G_BEGIN_DECLS
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/**
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* GstVideoAlignment:
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* @padding_left: extra pixels on the left side
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* @padding_right: extra pixels on the right side
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* @padding_top: extra pixels on the top
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* @padding_bottom: extra pixels on the bottom
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* @stride_align: array with extra alignment requirements for the strides
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*
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* Extra alignment paramters for the memory of video buffers. This
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* structure is usually used to configure the bufferpool if it supports the
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* #GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT.
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*/
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struct _GstVideoAlignment
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{
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guint padding_top;
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guint padding_bottom;
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guint padding_left;
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guint padding_right;
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guint stride_align[GST_VIDEO_MAX_PLANES];
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};
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/* metadata macros */
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/**
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* GST_META_TAG_VIDEO_STR:
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*
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* This metadata is relevant for video streams.
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*
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* Since: 1.2
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*/
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#define GST_META_TAG_VIDEO_STR "video"
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/**
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* GST_META_TAG_VIDEO_ORIENTATION_STR:
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*
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* This metadata stays relevant as long as video orientation is unchanged.
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*
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* Since: 1.2
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*/
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#define GST_META_TAG_VIDEO_ORIENTATION_STR "orientation"
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/**
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* GST_META_TAG_VIDEO_SIZE_STR:
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*
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* This metadata stays relevant as long as video size is unchanged.
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*
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* Since: 1.2
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*/
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#define GST_META_TAG_VIDEO_SIZE_STR "size"
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/**
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* GST_META_TAG_VIDEO_COLORSPACE_STR:
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*
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* This metadata stays relevant as long as video colorspace is unchanged.
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*
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* Since: 1.2
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*/
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#define GST_META_TAG_VIDEO_COLORSPACE_STR "colorspace"
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void gst_video_alignment_reset (GstVideoAlignment *align);
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/* some helper functions */
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gboolean gst_video_calculate_display_ratio (guint * dar_n,
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guint * dar_d,
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guint video_width,
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guint video_height,
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guint video_par_n,
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guint video_par_d,
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guint display_par_n,
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guint display_par_d);
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gboolean gst_video_guess_framerate (GstClockTime duration,
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gint * dest_n, gint * dest_d);
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/* convert/encode video sample from one format to another */
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typedef void (*GstVideoConvertSampleCallback) (GstSample * sample, GError *error, gpointer user_data);
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void gst_video_convert_sample_async (GstSample * sample,
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const GstCaps * to_caps,
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GstClockTime timeout,
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GstVideoConvertSampleCallback callback,
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gpointer user_data,
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GDestroyNotify destroy_notify);
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GstSample * gst_video_convert_sample (GstSample * sample,
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const GstCaps * to_caps,
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GstClockTime timeout,
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GError ** error);
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G_END_DECLS
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#include <gst/video/colorbalancechannel.h>
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#include <gst/video/colorbalance.h>
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#include <gst/video/gstvideodecoder.h>
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#include <gst/video/gstvideoencoder.h>
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#include <gst/video/gstvideofilter.h>
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#include <gst/video/gstvideometa.h>
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#include <gst/video/gstvideopool.h>
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#include <gst/video/gstvideosink.h>
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#include <gst/video/gstvideoutils.h>
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#include <gst/video/navigation.h>
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#include <gst/video/video-blend.h>
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#include <gst/video/video-event.h>
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#include <gst/video/videoorientation.h>
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#include <gst/video/video-overlay-composition.h>
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#include <gst/video/videooverlay.h>
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#endif /* __GST_VIDEO_H__ */
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