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 <pulse/gccmacro.h>
36 #include <pulsecore/core-util.h>
37 #include <pulsecore/mcalign.h>
39 /* A simple program for testing pa_mcalign */
41 int main(PA_GCC_UNUSED int argc, PA_GCC_UNUSED char *argv[]) {
46 p = pa_mempool_new(0);
48 a = pa_mcalign_new(11);
50 pa_memchunk_reset(&c);
59 c.memblock = pa_memblock_new(p, 2048);
60 c.index = c.length = 0;
63 assert(c.index < pa_memblock_get_length(c.memblock));
65 l = pa_memblock_get_length(c.memblock) - c.index;
67 l = l <= 1 ? l : rand() % (l-1) +1 ;
69 p = pa_memblock_acquire(c.memblock);
71 if ((r = read(STDIN_FILENO, (uint8_t*) p + c.index, l)) <= 0) {
72 pa_memblock_release(c.memblock);
73 fprintf(stderr, "read() failed: %s\n", r < 0 ? strerror(errno) : "EOF");
77 pa_memblock_release(c.memblock);
80 pa_mcalign_push(a, &c);
81 fprintf(stderr, "Read %ld bytes\n", (long)r);
85 if (c.index >= pa_memblock_get_length(c.memblock)) {
86 pa_memblock_unref(c.memblock);
87 pa_memchunk_reset(&c);
93 if (pa_mcalign_pop(a, &t) < 0)
96 p = pa_memblock_acquire(t.memblock);
97 pa_loop_write(STDOUT_FILENO, (uint8_t*) p + t.index, t.length, NULL);
98 pa_memblock_release(t.memblock);
99 fprintf(stderr, "Wrote %lu bytes.\n", (unsigned long) t.length);
101 pa_memblock_unref(t.memblock);
108 pa_memblock_unref(c.memblock);