1 /* GStreamer 2 * Copyright (C) <2005> Julien Moutte <julien@moutte.net> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __GST_XVIMAGEALLOCATOR_H__ 21 #define __GST_XVIMAGEALLOCATOR_H__ 22 23 typedef struct _GstXvImageMemory GstXvImageMemory; 24 25 typedef struct _GstXvImageAllocator GstXvImageAllocator; 26 typedef struct _GstXvImageAllocatorClass GstXvImageAllocatorClass; 27 28 #include "xvcontext.h" 29 30 G_BEGIN_DECLS 31 32 /* allocator functions */ 33 #define GST_TYPE_XVIMAGE_ALLOCATOR (gst_xvimage_allocator_get_type()) 34 #define GST_IS_XVIMAGE_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_XVIMAGE_ALLOCATOR)) 35 #define GST_XVIMAGE_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_XVIMAGE_ALLOCATOR, GstXvImageAllocator)) 36 #define GST_XVIMAGE_ALLOCATOR_CAST(obj) ((GstXvImageAllocator*)(obj)) 37 38 GType gst_xvimage_allocator_get_type (void); 39 40 /* the allocator */ 41 GstXvImageAllocator * gst_xvimage_allocator_new (GstXvContext * context); 42 43 GstXvContext * gst_xvimage_allocator_peek_context (GstXvImageAllocator * allocator); 44 45 GstMemory * gst_xvimage_allocator_alloc (GstXvImageAllocator * allocator, 46 gint im_format, 47 const GstVideoInfo * info, 48 gint padded_width, 49 gint padded_height, 50 const GstVideoRectangle *crop, 51 GError ** error); 52 53 /* memory from the allocator */ 54 gboolean gst_xvimage_memory_is_from_context (GstMemory *mem, 55 GstXvContext * context); 56 57 gint gst_xvimage_memory_get_format (GstXvImageMemory *mem); 58 XvImage * gst_xvimage_memory_get_xvimage (GstXvImageMemory *mem); 59 gboolean gst_xvimage_memory_get_crop (GstXvImageMemory *mem, 60 GstVideoRectangle *crop); 61 62 void gst_xvimage_memory_render (GstXvImageMemory *mem, 63 GstVideoRectangle *src_crop, 64 GstXWindow *window, 65 GstVideoRectangle *dst_crop, 66 gboolean draw_border); 67 68 G_END_DECLS 69 70 #endif /*__GST_XVIMAGEALLOCATOR_H__*/ 71