vl_mpeg12_decoder.h revision 9d2e630cd02362bfa8f090640a55cf2dea9d64b3
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 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_MPEG12_DECODER_H 29#define VL_MPEG12_DECODER_H 30 31#include <pipe/p_video_context.h> 32 33#include "vl_idct.h" 34#include "vl_mpeg12_mc_renderer.h" 35 36#include "vl_vertex_buffers.h" 37#include "vl_video_buffer.h" 38 39struct pipe_screen; 40struct pipe_context; 41 42struct vl_mpeg12_decoder 43{ 44 struct pipe_video_decoder base; 45 struct pipe_context *pipe; 46 47 const unsigned (*empty_block_mask)[3][2][2]; 48 49 struct pipe_vertex_buffer quads; 50 void *ves[VL_MAX_PLANES]; 51 52 struct vl_idct idct_y, idct_c; 53 struct vl_mpeg12_mc_renderer mc; 54 55 void *rast; 56 void *dsa; 57 void *blend; 58}; 59 60struct vl_mpeg12_buffer 61{ 62 struct pipe_video_decode_buffer base; 63 64 struct vl_vertex_buffer vertex_stream; 65 66 struct pipe_video_buffer *idct_source; 67 struct pipe_video_buffer *idct_2_mc; 68 69 union 70 { 71 struct pipe_vertex_buffer all[2]; 72 struct { 73 struct pipe_vertex_buffer quad, stream; 74 } individual; 75 } vertex_bufs; 76 77 struct vl_idct_buffer idct[VL_MAX_PLANES]; 78 struct vl_mpeg12_mc_buffer mc[VL_MAX_PLANES]; 79 80 struct pipe_transfer *tex_transfer[VL_MAX_PLANES]; 81 short *texels[VL_MAX_PLANES]; 82}; 83 84/* drivers can call this function in their pipe_video_context constructors and pass it 85 an accelerated pipe_context along with suitable buffering modes, etc */ 86struct pipe_video_decoder * 87vl_create_mpeg12_decoder(struct pipe_video_context *context, 88 struct pipe_context *pipe, 89 enum pipe_video_profile profile, 90 enum pipe_video_chroma_format chroma_format, 91 unsigned width, unsigned height); 92 93#endif /* VL_MPEG12_DECODER_H */ 94