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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 #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 
     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 
    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 */
    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