1 /**************************************************************************
3 * Copyright 2009 Younes Manton.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 #ifndef vl_mpeg12_decoder_h
29 #define vl_mpeg12_decoder_h
31 #include "pipe/p_video_codec.h"
33 #include "vl_mpeg12_bitstream.h"
38 #include "vl_vertex_buffers.h"
39 #include "vl_video_buffer.h"
44 struct vl_mpeg12_decoder
46 struct pipe_video_codec base
;
47 struct pipe_context
*context
;
49 unsigned chroma_width
, chroma_height
;
51 unsigned blocks_per_line
;
53 unsigned width_in_macroblocks
;
55 enum pipe_format zscan_source_format
;
57 struct pipe_vertex_buffer quads
;
58 struct pipe_vertex_buffer pos
;
65 struct pipe_sampler_view
*zscan_linear
;
66 struct pipe_sampler_view
*zscan_normal
;
67 struct pipe_sampler_view
*zscan_alternate
;
69 struct pipe_video_buffer
*idct_source
;
70 struct pipe_video_buffer
*mc_source
;
72 struct vl_zscan zscan_y
, zscan_c
;
73 struct vl_idct idct_y
, idct_c
;
74 struct vl_mc mc_y
, mc_c
;
78 unsigned current_buffer
;
79 struct vl_mpeg12_buffer
*dec_buffers
[4];
82 struct vl_mpeg12_buffer
84 struct vl_vertex_buffer vertex_stream
;
87 unsigned num_ycbcr_blocks
[3];
89 struct pipe_sampler_view
*zscan_source
;
91 struct vl_mpg12_bs bs
;
92 struct vl_zscan_buffer zscan
[VL_NUM_COMPONENTS
];
93 struct vl_idct_buffer idct
[VL_NUM_COMPONENTS
];
94 struct vl_mc_buffer mc
[VL_NUM_COMPONENTS
];
96 struct pipe_transfer
*tex_transfer
;
99 struct vl_ycbcr_block
*ycbcr_stream
[VL_NUM_COMPONENTS
];
100 struct vl_motionvector
*mv_stream
[VL_MAX_REF_FRAMES
];
104 * creates a shader based mpeg12 decoder
106 struct pipe_video_codec
*
107 vl_create_mpeg12_decoder(struct pipe_context
*pipe
,
108 const struct pipe_video_codec
*templat
);
110 #endif /* vl_mpeg12_decoder_h */