4 This file is part of PulseAudio.
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 #include <sys/types.h>
34 #include <pulsecore/core-util.h>
35 #include <pulsecore/mcalign.h>
36 #include <pulsecore/gccmacro.h>
38 /* A simple program for testing pa_mcalign */
40 int main(PA_GCC_UNUSED int argc, PA_GCC_UNUSED char *argv[]) {
45 p = pa_mempool_new(0);
47 a = pa_mcalign_new(11);
49 pa_memchunk_reset(&c);
58 c.memblock = pa_memblock_new(p, 2048);
59 c.index = c.length = 0;
62 assert(c.index < pa_memblock_get_length(c.memblock));
64 l = pa_memblock_get_length(c.memblock) - c.index;
66 l = l <= 1 ? l : rand() % (l-1) +1 ;
68 p = pa_memblock_acquire(c.memblock);
70 if ((r = read(STDIN_FILENO, (uint8_t*) p + c.index, l)) <= 0) {
71 pa_memblock_release(c.memblock);
72 fprintf(stderr, "read() failed: %s\n", r < 0 ? strerror(errno) : "EOF");
76 pa_memblock_release(c.memblock);
79 pa_mcalign_push(a, &c);
80 fprintf(stderr, "Read %ld bytes\n", (long)r);
84 if (c.index >= pa_memblock_get_length(c.memblock)) {
85 pa_memblock_unref(c.memblock);
86 pa_memchunk_reset(&c);
92 if (pa_mcalign_pop(a, &t) < 0)
95 p = pa_memblock_acquire(t.memblock);
96 pa_loop_write(STDOUT_FILENO, (uint8_t*) p + t.index, t.length, NULL);
97 pa_memblock_release(t.memblock);
98 fprintf(stderr, "Wrote %lu bytes.\n", (unsigned long) t.length);
100 pa_memblock_unref(t.memblock);
107 pa_memblock_unref(c.memblock);