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code.delx.au - pulseaudio/blob - src/tests/mcalign-test.c
2 This file is part of PulseAudio.
4 PulseAudio is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 2.1 of the
7 License, or (at your option) any later version.
9 PulseAudio is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with PulseAudio; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <sys/types.h>
32 #include <pulsecore/core-util.h>
33 #include <pulsecore/mcalign.h>
35 /* A simple program for testing pa_mcalign */
37 int main(int argc
, char *argv
[]) {
42 p
= pa_mempool_new(FALSE
, 0);
44 a
= pa_mcalign_new(11);
46 pa_memchunk_reset(&c
);
48 srand((unsigned) time(NULL
));
55 c
.memblock
= pa_memblock_new(p
, 2048);
56 c
.index
= c
.length
= 0;
59 assert(c
.index
< pa_memblock_get_length(c
.memblock
));
61 l
= pa_memblock_get_length(c
.memblock
) - c
.index
;
63 l
= l
<= 1 ? l
: (size_t) rand() % (l
-1) +1;
65 p
= pa_memblock_acquire(c
.memblock
);
67 if ((r
= read(STDIN_FILENO
, (uint8_t*) p
+ c
.index
, l
)) <= 0) {
68 pa_memblock_release(c
.memblock
);
69 fprintf(stderr
, "read() failed: %s\n", r
< 0 ? strerror(errno
) : "EOF");
73 pa_memblock_release(c
.memblock
);
75 c
.length
= (size_t) r
;
76 pa_mcalign_push(a
, &c
);
77 fprintf(stderr
, "Read %ld bytes\n", (long)r
);
79 c
.index
+= (size_t) r
;
81 if (c
.index
>= pa_memblock_get_length(c
.memblock
)) {
82 pa_memblock_unref(c
.memblock
);
83 pa_memchunk_reset(&c
);
89 if (pa_mcalign_pop(a
, &t
) < 0)
92 p
= pa_memblock_acquire(t
.memblock
);
93 pa_loop_write(STDOUT_FILENO
, (uint8_t*) p
+ t
.index
, t
.length
, NULL
);
94 pa_memblock_release(t
.memblock
);
95 fprintf(stderr
, "Wrote %lu bytes.\n", (unsigned long) t
.length
);
97 pa_memblock_unref(t
.memblock
);
104 pa_memblock_unref(c
.memblock
);