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 published
6 by the Free Software Foundation; either version 2.1 of the License,
7 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 General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with PulseAudio; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
30 #include <pulse/simple.h>
31 #include <pulse/error.h>
35 int main(int argc, char*argv[]) {
37 /* The Sample format to use */
38 static const pa_sample_spec ss = {
39 .format = PA_SAMPLE_S16LE,
48 /* replace STDIN with the specified file if needed */
52 if ((fd = open(argv[1], O_RDONLY)) < 0) {
53 fprintf(stderr, __FILE__": open() failed: %s\n", strerror(errno));
57 if (dup2(fd, STDIN_FILENO) < 0) {
58 fprintf(stderr, __FILE__": dup2() failed: %s\n", strerror(errno));
65 /* Create a new playback stream */
66 if (!(s = pa_simple_new(NULL, argv[0], PA_STREAM_PLAYBACK, NULL, "playback", &ss, NULL, NULL, &error))) {
67 fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error));
78 if ((latency = pa_simple_get_latency(s, &error)) == (pa_usec_t) -1) {
79 fprintf(stderr, __FILE__": pa_simple_get_latency() failed: %s\n", pa_strerror(error));
83 fprintf(stderr, "%0.0f usec \r", (float)latency);
86 /* Read some data ... */
87 if ((r = read(STDIN_FILENO, buf, sizeof(buf))) <= 0) {
91 fprintf(stderr, __FILE__": read() failed: %s\n", strerror(errno));
96 if (pa_simple_write(s, buf, (size_t) r, &error) < 0) {
97 fprintf(stderr, __FILE__": pa_simple_write() failed: %s\n", pa_strerror(error));
102 /* Make sure that every single sample was played */
103 if (pa_simple_drain(s, &error) < 0) {
104 fprintf(stderr, __FILE__": pa_simple_drain() failed: %s\n", pa_strerror(error));