1 /************************************************************************** 2 * 3 * Copyright 2009 Younes Manton. 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 VMWARE 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 PIPE_VIDEO_CONTEXT_H 29 #define PIPE_VIDEO_CONTEXT_H 30 31 #include "pipe/p_video_state.h" 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 struct pipe_screen; 38 struct pipe_surface; 39 struct pipe_macroblock; 40 struct pipe_picture_desc; 41 struct pipe_fence_handle; 42 43 /** 44 * Gallium video codec for a specific format/profile 45 */ 46 struct pipe_video_codec 47 { 48 struct pipe_context *context; 49 50 enum pipe_video_profile profile; 51 unsigned level; 52 enum pipe_video_entrypoint entrypoint; 53 enum pipe_video_chroma_format chroma_format; 54 unsigned width; 55 unsigned height; 56 unsigned max_references; 57 bool expect_chunked_decode; 58 59 /** 60 * destroy this video decoder 61 */ 62 void (*destroy)(struct pipe_video_codec *codec); 63 64 /** 65 * start decoding of a new frame 66 */ 67 void (*begin_frame)(struct pipe_video_codec *codec, 68 struct pipe_video_buffer *target, 69 struct pipe_picture_desc *picture); 70 71 /** 72 * decode a macroblock 73 */ 74 void (*decode_macroblock)(struct pipe_video_codec *codec, 75 struct pipe_video_buffer *target, 76 struct pipe_picture_desc *picture, 77 const struct pipe_macroblock *macroblocks, 78 unsigned num_macroblocks); 79 80 /** 81 * decode a bitstream 82 */ 83 void (*decode_bitstream)(struct pipe_video_codec *codec, 84 struct pipe_video_buffer *target, 85 struct pipe_picture_desc *picture, 86 unsigned num_buffers, 87 const void * const *buffers, 88 const unsigned *sizes); 89 90 /** 91 * encode to a bitstream 92 */ 93 void (*encode_bitstream)(struct pipe_video_codec *codec, 94 struct pipe_video_buffer *source, 95 struct pipe_resource *destination, 96 void **feedback); 97 98 /** 99 * end decoding of the current frame 100 */ 101 void (*end_frame)(struct pipe_video_codec *codec, 102 struct pipe_video_buffer *target, 103 struct pipe_picture_desc *picture); 104 105 /** 106 * flush any outstanding command buffers to the hardware 107 * should be called before a video_buffer is acessed by the state tracker again 108 */ 109 void (*flush)(struct pipe_video_codec *codec); 110 111 /** 112 * get encoder feedback 113 */ 114 void (*get_feedback)(struct pipe_video_codec *codec, void *feedback, unsigned *size); 115 }; 116 117 /** 118 * output for decoding / input for displaying 119 */ 120 struct pipe_video_buffer 121 { 122 struct pipe_context *context; 123 124 enum pipe_format buffer_format; 125 enum pipe_video_chroma_format chroma_format; 126 unsigned width; 127 unsigned height; 128 bool interlaced; 129 unsigned bind; 130 131 /** 132 * destroy this video buffer 133 */ 134 void (*destroy)(struct pipe_video_buffer *buffer); 135 136 /** 137 * get an individual sampler view for each plane 138 */ 139 struct pipe_sampler_view **(*get_sampler_view_planes)(struct pipe_video_buffer *buffer); 140 141 /** 142 * get an individual sampler view for each component 143 */ 144 struct pipe_sampler_view **(*get_sampler_view_components)(struct pipe_video_buffer *buffer); 145 146 /** 147 * get an individual surfaces for each plane 148 */ 149 struct pipe_surface **(*get_surfaces)(struct pipe_video_buffer *buffer); 150 151 /* 152 * auxiliary associated data 153 */ 154 void *associated_data; 155 156 /* 157 * codec where the associated data came from 158 */ 159 struct pipe_video_codec *codec; 160 161 /* 162 * destroy the associated data 163 */ 164 void (*destroy_associated_data)(void *associated_data); 165 }; 166 167 #ifdef __cplusplus 168 } 169 #endif 170 171 #endif /* PIPE_VIDEO_CONTEXT_H */ 172