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 published
8 by the Free Software Foundation; either version 2 of the License,
9 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 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
32 #include <pulse/simple.h>
33 #include <pulse/error.h>
34 #include <pulse/gccmacro.h>
38 int main(PA_GCC_UNUSED int argc, char*argv[]) {
40 /* The Sample format to use */
41 static const pa_sample_spec ss = {
42 .format = PA_SAMPLE_S16LE,
51 /* replace STDIN with the specified file if needed */
55 if ((fd = open(argv[1], O_RDONLY)) < 0) {
56 fprintf(stderr, __FILE__": open() failed: %s\n", strerror(errno));
60 if (dup2(fd, STDIN_FILENO) < 0) {
61 fprintf(stderr, __FILE__": dup2() failed: %s\n", strerror(errno));
68 /* Create a new playback stream */
69 if (!(s = pa_simple_new(NULL, argv[0], PA_STREAM_PLAYBACK, NULL, "playback", &ss, NULL, NULL, &error))) {
70 fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error));
81 if ((latency = pa_simple_get_latency(s, &error)) == (pa_usec_t) -1) {
82 fprintf(stderr, __FILE__": pa_simple_get_latency() failed: %s\n", pa_strerror(error));
86 fprintf(stderr, "%0.0f usec \r", (float)latency);
89 /* Read some data ... */
90 if ((r = read(STDIN_FILENO, buf, sizeof(buf))) <= 0) {
94 fprintf(stderr, __FILE__": read() failed: %s\n", strerror(errno));
99 if (pa_simple_write(s, buf, r, &error) < 0) {
100 fprintf(stderr, __FILE__": pa_simple_write() failed: %s\n", pa_strerror(error));
105 /* Make sure that every single sample was played */
106 if (pa_simple_drain(s, &error) < 0) {
107 fprintf(stderr, __FILE__": pa_simple_drain() failed: %s\n", pa_strerror(error));