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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 xvmc_private_h
29 #define xvmc_private_h
30 
31 #include <X11/Xlib.h>
32 #include <X11/extensions/XvMClib.h>
33 
34 #include "pipe/p_video_state.h"
35 
36 #include "util/u_debug.h"
37 #include "util/u_math.h"
38 
39 #include "vl/vl_csc.h"
40 #include "vl/vl_compositor.h"
41 
42 #define BLOCK_SIZE_SAMPLES 64
43 #define BLOCK_SIZE_BYTES (BLOCK_SIZE_SAMPLES * 2)
44 
45 struct pipe_video_decoder;
46 struct pipe_video_buffer;
47 
48 struct pipe_sampler_view;
49 struct pipe_fence_handle;
50 
51 typedef struct
52 {
53    struct vl_screen *vscreen;
54    struct pipe_context *pipe;
55    struct pipe_video_decoder *decoder;
56 
57    enum VL_CSC_COLOR_STANDARD color_standard;
58    struct vl_procamp procamp;
59    struct vl_compositor compositor;
60    struct vl_compositor_state cstate;
61 
62    unsigned short subpicture_max_width;
63    unsigned short subpicture_max_height;
64 
65 } XvMCContextPrivate;
66 
67 typedef struct
68 {
69    struct pipe_video_buffer *video_buffer;
70 
71    /* nonzero if this picture is already being decoded */
72    int picture_structure;
73 
74    XvMCSurface *ref[2];
75 
76    struct pipe_fence_handle *fence;
77 
78    /* The subpicture associated with this surface, if any. */
79    XvMCSubpicture *subpicture;
80 
81    /* Some XvMC functions take a surface but not a context,
82       so we keep track of which context each surface belongs to. */
83    XvMCContext *context;
84 } XvMCSurfacePrivate;
85 
86 typedef struct
87 {
88    struct pipe_sampler_view *sampler;
89 
90    /* optional palette for this subpicture */
91    struct pipe_sampler_view *palette;
92 
93    struct u_rect src_rect;
94    struct u_rect dst_rect;
95 
96    /* The surface this subpicture is currently associated with, if any. */
97    XvMCSurface *surface;
98 
99    /* Some XvMC functions take a subpicture but not a context,
100       so we keep track of which context each subpicture belongs to. */
101    XvMCContext *context;
102 } XvMCSubpicturePrivate;
103 
104 #define XVMC_OUT   0
105 #define XVMC_ERR   1
106 #define XVMC_WARN  2
107 #define XVMC_TRACE 3
108 
XVMC_MSG(unsigned int level,const char * fmt,...)109 static INLINE void XVMC_MSG(unsigned int level, const char *fmt, ...)
110 {
111    static int debug_level = -1;
112 
113    if (debug_level == -1) {
114       debug_level = MAX2(debug_get_num_option("XVMC_DEBUG", 0), 0);
115    }
116 
117    if (level <= debug_level) {
118       va_list ap;
119       va_start(ap, fmt);
120       _debug_vprintf(fmt, ap);
121       va_end(ap);
122    }
123 }
124 
125 #endif /* xvmc_private_h */
126