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 #include "testlib.h"
29 #include <stdio.h>
30
31 /*
32 void test(int pred, const char *pred_string, const char *doc_string, const char *file, unsigned int line)
33 {
34 fputs(doc_string, stderr);
35 if (!pred)
36 fprintf(stderr, " FAIL!\n\t\"%s\" at %s:%u\n", pred_string, file, line);
37 else
38 fputs(" PASS!\n", stderr);
39 }
40 */
41
GetPort(Display * display,unsigned int width,unsigned int height,unsigned int chroma_format,const unsigned int * mc_types,unsigned int num_mc_types,XvPortID * port_id,int * surface_type_id,unsigned int * is_overlay,unsigned int * intra_unsigned)42 int GetPort
43 (
44 Display *display,
45 unsigned int width,
46 unsigned int height,
47 unsigned int chroma_format,
48 const unsigned int *mc_types,
49 unsigned int num_mc_types,
50 XvPortID *port_id,
51 int *surface_type_id,
52 unsigned int *is_overlay,
53 unsigned int *intra_unsigned
54 )
55 {
56 unsigned int found_port = 0;
57 XvAdaptorInfo *adaptor_info;
58 unsigned int num_adaptors;
59 int num_types;
60 int ev_base, err_base;
61 unsigned int i, j, k, l;
62
63 if (!XvMCQueryExtension(display, &ev_base, &err_base))
64 return 0;
65 if (XvQueryAdaptors(display, XDefaultRootWindow(display), &num_adaptors, &adaptor_info) != Success)
66 return 0;
67
68 for (i = 0; i < num_adaptors && !found_port; ++i)
69 {
70 if (adaptor_info[i].type & XvImageMask)
71 {
72 XvMCSurfaceInfo *surface_info = XvMCListSurfaceTypes(display, adaptor_info[i].base_id, &num_types);
73
74 if (surface_info)
75 {
76 for (j = 0; j < num_types && !found_port; ++j)
77 {
78 if
79 (
80 surface_info[j].chroma_format == chroma_format &&
81 surface_info[j].max_width >= width &&
82 surface_info[j].max_height >= height
83 )
84 {
85 for (k = 0; k < num_mc_types && !found_port; ++k)
86 {
87 if (surface_info[j].mc_type == mc_types[k])
88 {
89 for (l = 0; l < adaptor_info[i].num_ports && !found_port; ++l)
90 {
91 if (XvGrabPort(display, adaptor_info[i].base_id + l, CurrentTime) == Success)
92 {
93 *port_id = adaptor_info[i].base_id + l;
94 *surface_type_id = surface_info[j].surface_type_id;
95 *is_overlay = surface_info[j].flags & XVMC_OVERLAID_SURFACE;
96 *intra_unsigned = surface_info[j].flags & XVMC_INTRA_UNSIGNED;
97 found_port = 1;
98 }
99 }
100 }
101 }
102 }
103 }
104
105 XFree(surface_info);
106 }
107 }
108 }
109
110 XvFreeAdaptorInfo(adaptor_info);
111
112 return found_port;
113 }
114
align(unsigned int value,unsigned int alignment)115 unsigned int align(unsigned int value, unsigned int alignment)
116 {
117 return (value + alignment - 1) & ~(alignment - 1);
118 }
119
120 /* From the glibc manual */
timeval_subtract(struct timeval * result,struct timeval * x,struct timeval * y)121 int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y)
122 {
123 /* Perform the carry for the later subtraction by updating y. */
124 if (x->tv_usec < y->tv_usec)
125 {
126 int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
127 y->tv_usec -= 1000000 * nsec;
128 y->tv_sec += nsec;
129 }
130 if (x->tv_usec - y->tv_usec > 1000000)
131 {
132 int nsec = (x->tv_usec - y->tv_usec) / 1000000;
133 y->tv_usec += 1000000 * nsec;
134 y->tv_sec -= nsec;
135 }
136
137 /*
138 * Compute the time remaining to wait.
139 * tv_usec is certainly positive.
140 */
141 result->tv_sec = x->tv_sec - y->tv_sec;
142 result->tv_usec = x->tv_usec - y->tv_usec;
143
144 /* Return 1 if result is negative. */
145 return x->tv_sec < y->tv_sec;
146 }
147