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_video_buffer_h 29 #define vl_video_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 */ 41 struct vl_video_buffer 42 { 43 struct pipe_video_buffer base; 44 unsigned num_planes; 45 struct pipe_resource *resources[VL_NUM_COMPONENTS]; 46 struct pipe_sampler_view *sampler_view_planes[VL_NUM_COMPONENTS]; 47 struct pipe_sampler_view *sampler_view_components[VL_NUM_COMPONENTS]; 48 struct pipe_surface *surfaces[VL_MAX_SURFACES]; 49 }; 50 51 /** 52 * get subformats for each plane 53 */ 54 const enum pipe_format * 55 vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format); 56 57 /** 58 * get YUV plane order 59 */ 60 const unsigned * 61 vl_video_buffer_plane_order(enum pipe_format format); 62 63 /** 64 * get maximum size of video buffers 65 */ 66 unsigned 67 vl_video_buffer_max_size(struct pipe_screen *screen); 68 69 /** 70 * check if video buffer format is supported for a codec/profile 71 * can be used as default implementation of screen->is_video_format_supported 72 */ 73 boolean 74 vl_video_buffer_is_format_supported(struct pipe_screen *screen, 75 enum pipe_format format, 76 enum pipe_video_profile profile); 77 78 /* 79 * set the associated data for the given video buffer 80 */ 81 void 82 vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf, 83 struct pipe_video_decoder *vdec, 84 void *associated_data, 85 void (*destroy_associated_data)(void *)); 86 87 /* 88 * get the associated data for the given video buffer 89 */ 90 void * 91 vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf, 92 struct pipe_video_decoder *vdec); 93 94 /** 95 * fill a resource template for the given plane 96 */ 97 void 98 vl_vide_buffer_template(struct pipe_resource *templ, 99 const struct pipe_video_buffer *templat, 100 enum pipe_format resource_format, 101 unsigned depth, unsigned usage, unsigned plane); 102 103 /** 104 * creates a video buffer, can be used as a standard implementation for pipe->create_video_buffer 105 */ 106 struct pipe_video_buffer * 107 vl_video_buffer_create(struct pipe_context *pipe, 108 const struct pipe_video_buffer *templat); 109 110 /** 111 * extended create function, gets depth, usage and formats for each plane seperately 112 */ 113 struct pipe_video_buffer * 114 vl_video_buffer_create_ex(struct pipe_context *pipe, 115 const struct pipe_video_buffer *templat, 116 const enum pipe_format resource_formats[VL_NUM_COMPONENTS], 117 unsigned depth, unsigned usage); 118 119 /** 120 * even more extended create function, provide the pipe_resource for each plane 121 */ 122 struct pipe_video_buffer * 123 vl_video_buffer_create_ex2(struct pipe_context *pipe, 124 const struct pipe_video_buffer *templat, 125 struct pipe_resource *resources[VL_NUM_COMPONENTS]); 126 127 #endif /* vl_video_buffer_h */ 128