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 vl_mpeg12_decoder_h 29 #define vl_mpeg12_decoder_h 30 31 #include "pipe/p_video_codec.h" 32 33 #include "util/list.h" 34 35 #include "vl_mpeg12_bitstream.h" 36 #include "vl_zscan.h" 37 #include "vl_idct.h" 38 #include "vl_mc.h" 39 40 #include "vl_vertex_buffers.h" 41 #include "vl_video_buffer.h" 42 43 struct pipe_screen; 44 struct pipe_context; 45 46 struct vl_mpeg12_decoder 47 { 48 struct pipe_video_codec base; 49 struct pipe_context *context; 50 51 unsigned chroma_width, chroma_height; 52 53 unsigned blocks_per_line; 54 unsigned num_blocks; 55 unsigned width_in_macroblocks; 56 57 enum pipe_format zscan_source_format; 58 59 struct pipe_vertex_buffer quads; 60 struct pipe_vertex_buffer pos; 61 62 void *ves_ycbcr; 63 void *ves_mv; 64 65 void *sampler_ycbcr; 66 67 struct pipe_sampler_view *zscan_linear; 68 struct pipe_sampler_view *zscan_normal; 69 struct pipe_sampler_view *zscan_alternate; 70 71 struct pipe_video_buffer *idct_source; 72 struct pipe_video_buffer *mc_source; 73 74 struct vl_zscan zscan_y, zscan_c; 75 struct vl_idct idct_y, idct_c; 76 struct vl_mc mc_y, mc_c; 77 78 void *dsa; 79 80 unsigned current_buffer; 81 struct vl_mpeg12_buffer *dec_buffers[4]; 82 83 struct list_head buffer_privates; 84 }; 85 86 struct vl_mpeg12_buffer 87 { 88 struct vl_vertex_buffer vertex_stream; 89 90 unsigned block_num; 91 unsigned num_ycbcr_blocks[3]; 92 93 struct pipe_sampler_view *zscan_source; 94 95 struct vl_mpg12_bs bs; 96 struct vl_zscan_buffer zscan[VL_NUM_COMPONENTS]; 97 struct vl_idct_buffer idct[VL_NUM_COMPONENTS]; 98 struct vl_mc_buffer mc[VL_NUM_COMPONENTS]; 99 100 struct pipe_transfer *tex_transfer; 101 short *texels; 102 103 struct vl_ycbcr_block *ycbcr_stream[VL_NUM_COMPONENTS]; 104 struct vl_motionvector *mv_stream[VL_MAX_REF_FRAMES]; 105 }; 106 107 /** 108 * creates a shader based mpeg12 decoder 109 */ 110 struct pipe_video_codec * 111 vl_create_mpeg12_decoder(struct pipe_context *pipe, 112 const struct pipe_video_codec *templat); 113 114 #endif /* vl_mpeg12_decoder_h */ 115