vl_video_buffer.h revision efc7fda4627919b5355952d955ee4a2c98505e56
1/************************************************************************** 2 * 3 * Copyright 2011 Christian König. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#ifndef vl_ycbcr_buffer_h 29#define vl_ycbcr_buffer_h 30 31#include <pipe/p_context.h> 32#include <pipe/p_video_decoder.h> 33 34#include "vl_defines.h" 35 36/** 37 * implementation of a planar ycbcr buffer 38 */ 39 40/* planar buffer for vl data upload and manipulation */ 41struct vl_video_buffer 42{ 43 struct pipe_video_buffer base; 44 unsigned num_planes; 45 struct pipe_resource *resources[VL_MAX_PLANES]; 46 struct pipe_sampler_view *sampler_view_planes[VL_MAX_PLANES]; 47 struct pipe_sampler_view *sampler_view_components[VL_MAX_PLANES]; 48 struct pipe_surface *surfaces[VL_MAX_PLANES]; 49}; 50 51/** 52 * get subformats for each plane 53 */ 54const enum pipe_format * 55vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format); 56 57/** 58 * get maximum size of video buffers 59 */ 60unsigned 61vl_video_buffer_max_size(struct pipe_screen *screen); 62 63/** 64 * check if video buffer format is supported for a codec/profile 65 * can be used as default implementation of screen->is_video_format_supported 66 */ 67boolean 68vl_video_buffer_is_format_supported(struct pipe_screen *screen, 69 enum pipe_format format, 70 enum pipe_video_profile profile); 71 72/** 73 * creates a video buffer, can be used as a standard implementation for pipe->create_video_buffer 74 */ 75struct pipe_video_buffer * 76vl_video_buffer_create(struct pipe_context *pipe, 77 enum pipe_format buffer_format, 78 enum pipe_video_chroma_format chroma_format, 79 unsigned width, unsigned height); 80 81/** 82 * extended create function, gets depth, usage and formats for each plane seperately 83 */ 84struct pipe_video_buffer * 85vl_video_buffer_create_ex(struct pipe_context *pipe, 86 unsigned width, unsigned height, unsigned depth, 87 enum pipe_video_chroma_format chroma_format, 88 const enum pipe_format resource_formats[VL_MAX_PLANES], 89 unsigned usage); 90 91#endif /* vl_ycbcr_buffer_h */ 92