--- /dev/null
+/* 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.
+ */
+
+#include "gst/video/gstvideopool.h"
+
+/**
+ * gst_buffer_pool_config_set_video_alignment:
+ * @config: a #GstStructure
+ * @align: a #GstVideoAlignment
+ *
+ * Set the video alignment in @align to the bufferpool configuration
+ * @config
+ */
+void
+gst_buffer_pool_config_set_video_alignment (GstStructure * config,
+ GstVideoAlignment * align)
+{
+ g_return_if_fail (config != NULL);
+ g_return_if_fail (align != NULL);
+
+ gst_structure_set (config,
+ "padding-top", G_TYPE_UINT, align->padding_top,
+ "padding-bottom", G_TYPE_UINT, align->padding_bottom,
+ "padding-left", G_TYPE_UINT, align->padding_left,
+ "padding-right", G_TYPE_UINT, align->padding_right,
+ "stride-align0", G_TYPE_UINT, align->stride_align[0],
+ "stride-align1", G_TYPE_UINT, align->stride_align[1],
+ "stride-align2", G_TYPE_UINT, align->stride_align[2],
+ "stride-align3", G_TYPE_UINT, align->stride_align[3], NULL);
+}
+
+/**
+ * gst_buffer_pool_config_get_video_alignment:
+ * @config: a #GstStructure
+ * @align: a #GstVideoAlignment
+ *
+ * Get the video alignment from the bufferpool configuration @config in
+ * in @align
+ *
+ * Returns: #TRUE if @config could be parsed correctly.
+ */
+gboolean
+gst_buffer_pool_config_get_video_alignment (GstStructure * config,
+ GstVideoAlignment * align)
+{
+ g_return_val_if_fail (config != NULL, FALSE);
+ g_return_val_if_fail (align != NULL, FALSE);
+
+ return gst_structure_get (config,
+ "padding-top", G_TYPE_UINT, &align->padding_top,
+ "padding-bottom", G_TYPE_UINT, &align->padding_bottom,
+ "padding-left", G_TYPE_UINT, &align->padding_left,
+ "padding-right", G_TYPE_UINT, &align->padding_right,
+ "stride-align0", G_TYPE_UINT, &align->stride_align[0],
+ "stride-align1", G_TYPE_UINT, &align->stride_align[1],
+ "stride-align2", G_TYPE_UINT, &align->stride_align[2],
+ "stride-align3", G_TYPE_UINT, &align->stride_align[3], NULL);
+}
* 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.
+ * option, gst_buffer_pool_set_video_alignment() can be called.
*/
-#define GST_BUFFER_POOL_OPTION_VIDEO_LAYOUT "GstBufferPoolOptionVideoLayout"
+#define GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT "GstBufferPoolOptionVideoAlignment"
-typedef struct _GstBufferPoolOptionVideoLayout GstBufferPoolOptionVideoLayout;
+typedef struct _GstVideoAlignment GstVideoAlignment;
/**
- * GstBufferPoolOptionVideoLayout:
+ * 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 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.
+ * 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 _GstBufferPoolOptionVideoLayout
+struct _GstVideoAlignment
{
- guint padding_left;
- guint padding_right;
guint padding_top;
guint padding_bottom;
- gint stride_align[GST_VIDEO_MAX_PLANES];
+ guint padding_left;
+ guint padding_right;
+ guint 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);
+void gst_buffer_pool_config_set_video_alignment (GstStructure *config, GstVideoAlignment *align);
+gboolean gst_buffer_pool_config_get_video_alignment (GstStructure *config, GstVideoAlignment *align);
G_END_DECLS