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);