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 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_bitstream_h 29 #define vl_mpeg12_bitstream_h 30 31 #include "vl_defines.h" 32 #include "vl_vlc.h" 33 34 struct vl_mpg12_bs 35 { 36 struct pipe_video_codec *decoder; 37 38 struct pipe_mpeg12_picture_desc *desc; 39 struct dct_coeff *intra_dct_tbl; 40 41 struct vl_vlc vlc; 42 short pred_dc[3]; 43 }; 44 45 void 46 vl_mpg12_bs_init(struct vl_mpg12_bs *bs, struct pipe_video_codec *decoder); 47 48 void 49 vl_mpg12_bs_decode(struct vl_mpg12_bs *bs, 50 struct pipe_video_buffer *target, 51 struct pipe_mpeg12_picture_desc *picture, 52 unsigned num_buffers, 53 const void * const *buffers, 54 const unsigned *sizes); 55 56 #endif /* vl_mpeg12_bitstream_h */ 57