From cfea7a74fd3c169a58db2d0cb9b0e22d8e54cbef Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Fri, 29 Jul 2011 17:14:07 +0200 Subject: [PATCH] videopool: add stuff related to bufferpools Add bufferpool options and extra config parameters. --- gst-libs/gst/video/gstvideopool.h | 76 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 gst-libs/gst/video/gstvideopool.h diff --git a/gst-libs/gst/video/gstvideopool.h b/gst-libs/gst/video/gstvideopool.h new file mode 100644 index 0000000..059eba9 --- /dev/null +++ b/gst-libs/gst/video/gstvideopool.h @@ -0,0 +1,76 @@ +/* GStreamer + * Copyright (C) <2011> Wim Taymans + * + * 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_POOL_H__ +#define __GST_VIDEO_POOL_H__ + +#include + +#include + +G_BEGIN_DECLS + +/** + * GST_BUFFER_POOL_OPTION_META_VIDEO: + * + * An option that can be activated on bufferpool to request video metadata + * on buffers from the pool. + */ +#define GST_BUFFER_POOL_OPTION_META_VIDEO "GstBufferPoolOptionMetaVideo" + +/** + * GST_BUFFER_POOL_OPTION_VIDEO_LAYOUT: + * + * A bufferpool option to enable extra padding. When a bufferpool supports this + * option, gst_buffer_pool_set_video_layout() can be called. + */ +#define GST_BUFFER_POOL_OPTION_VIDEO_LAYOUT "GstBufferPoolOptionVideoLayout" + +typedef struct _GstBufferPoolOptionVideoLayout GstBufferPoolOptionVideoLayout; + +/** + * GstBufferPoolOptionVideoLayout: + * @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 parameters to configure the memory layout for video buffers. This + * structure is used to configure the bufferpool if it supports the + * #GST_BUFFER_POOL_OPTION_VIDEO_LAYOUT. + */ +struct _GstBufferPoolOptionVideoLayout +{ + guint padding_left; + guint padding_right; + guint padding_top; + guint padding_bottom; + gint stride_align[GST_VIDEO_MAX_PLANES]; +}; + +void gst_buffer_pool_config_set_video_layout (GstStructure *config, + GstBufferPoolOptionVideoLayout *layout); +gboolean gst_buffer_pool_config_get_video_layout (GstStructure *config, + GstBufferPoolOptionVideoLayout *layout); + + +G_END_DECLS + +#endif /* __GST_VIDEO_POOL_H__ */ -- 2.7.4