/************************************************************************** * * Copyright 2009 Younes Manton. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ #ifndef vl_mpeg12_decoder_h #define vl_mpeg12_decoder_h #include "pipe/p_video_codec.h" #include "vl_mpeg12_bitstream.h" #include "vl_zscan.h" #include "vl_idct.h" #include "vl_mc.h" #include "vl_vertex_buffers.h" #include "vl_video_buffer.h" struct pipe_screen; struct pipe_context; struct vl_mpeg12_decoder { struct pipe_video_codec base; unsigned chroma_width, chroma_height; unsigned blocks_per_line; unsigned num_blocks; unsigned width_in_macroblocks; enum pipe_format zscan_source_format; struct pipe_vertex_buffer quads; struct pipe_vertex_buffer pos; void *ves_ycbcr; void *ves_mv; void *sampler_ycbcr; struct pipe_sampler_view *zscan_linear; struct pipe_sampler_view *zscan_normal; struct pipe_sampler_view *zscan_alternate; struct pipe_video_buffer *idct_source; struct pipe_video_buffer *mc_source; struct vl_zscan zscan_y, zscan_c; struct vl_idct idct_y, idct_c; struct vl_mc mc_y, mc_c; void *dsa; unsigned current_buffer; struct vl_mpeg12_buffer *dec_buffers[4]; }; struct vl_mpeg12_buffer { struct vl_vertex_buffer vertex_stream; unsigned block_num; unsigned num_ycbcr_blocks[3]; struct pipe_sampler_view *zscan_source; struct vl_mpg12_bs bs; struct vl_zscan_buffer zscan[VL_NUM_COMPONENTS]; struct vl_idct_buffer idct[VL_NUM_COMPONENTS]; struct vl_mc_buffer mc[VL_NUM_COMPONENTS]; struct pipe_transfer *tex_transfer; short *texels; struct vl_ycbcr_block *ycbcr_stream[VL_NUM_COMPONENTS]; struct vl_motionvector *mv_stream[VL_MAX_REF_FRAMES]; }; /** * creates a shader based mpeg12 decoder */ struct pipe_video_codec * vl_create_mpeg12_decoder(struct pipe_context *pipe, const struct pipe_video_codec *templat); #endif /* vl_mpeg12_decoder_h */