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
34 #include <pulse/pulseaudio.h>
35 #include <pulse/mainloop.h>
39 #define SAMPLE_HZ 8000
41 static pa_context *context = NULL;
42 static pa_stream *streams[NSTREAMS];
43 static pa_mainloop_api *mainloop_api = NULL;
44 static const char *bname;
46 static float data[SAMPLE_HZ]; /* one second space */
48 static int n_streams_ready = 0;
50 static const pa_buffer_attr buffer_attr = {
51 .maxlength = SAMPLE_HZ*sizeof(float)*NSTREAMS, /* exactly space for the entire play time */
52 .tlength = (uint32_t) -1,
53 .prebuf = 0, /* Setting prebuf to 0 guarantees us the streams will run synchronously, no matter what */
54 .minreq = (uint32_t) -1,
58 static void nop_free_cb(void *p) {}
60 static void underflow_cb(struct pa_stream *s, void *userdata) {
61 int i = (int) (long) userdata;
63 fprintf(stderr, "Stream %i finished\n", i);
65 if (++n_streams_ready >= 2*NSTREAMS) {
66 fprintf(stderr, "We're done\n");
67 mainloop_api->quit(mainloop_api, 0);
71 /* This routine is called whenever the stream state changes */
72 static void stream_state_callback(pa_stream *s, void *userdata) {
73 fail_unless(s != NULL);
75 switch (pa_stream_get_state(s)) {
76 case PA_STREAM_UNCONNECTED:
77 case PA_STREAM_CREATING:
78 case PA_STREAM_TERMINATED:
81 case PA_STREAM_READY: {
83 int r, i = (int) (long) userdata;
85 fprintf(stderr, "Writing data to stream %i.\n", i);
87 r = pa_stream_write(s, data, sizeof(data), nop_free_cb, (int64_t) sizeof(data) * (int64_t) i, PA_SEEK_ABSOLUTE);
90 /* Be notified when this stream is drained */
91 pa_stream_set_underflow_callback(s, underflow_cb, userdata);
93 /* All streams have been set up, let's go! */
94 if (++n_streams_ready >= NSTREAMS) {
95 fprintf(stderr, "Uncorking\n");
96 pa_operation_unref(pa_stream_cork(s, 0, NULL, NULL));
103 case PA_STREAM_FAILED:
104 fprintf(stderr, "Stream error: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
109 /* This is called whenever the context status changes */
110 static void context_state_callback(pa_context *c, void *userdata) {
111 fail_unless(c != NULL);
113 switch (pa_context_get_state(c)) {
114 case PA_CONTEXT_CONNECTING:
115 case PA_CONTEXT_AUTHORIZING:
116 case PA_CONTEXT_SETTING_NAME:
119 case PA_CONTEXT_READY: {
122 fprintf(stderr, "Connection established.\n");
124 for (i = 0; i < NSTREAMS; i++) {
126 pa_format_info *formats[1];
128 formats[0] = pa_format_info_new();
129 formats[0]->encoding = PA_ENCODING_PCM;
130 pa_format_info_set_sample_format(formats[0], PA_SAMPLE_FLOAT32);
131 pa_format_info_set_rate(formats[0], SAMPLE_HZ);
132 pa_format_info_set_channels(formats[0], 1);
134 fprintf(stderr, "Creating stream %i\n", i);
136 snprintf(name, sizeof(name), "stream #%i", i);
138 streams[i] = pa_stream_new_extended(c, name, formats, 1, NULL);
139 fail_unless(streams[i] != NULL);
140 pa_stream_set_state_callback(streams[i], stream_state_callback, (void*) (long) i);
141 pa_stream_connect_playback(streams[i], NULL, &buffer_attr, PA_STREAM_START_CORKED, NULL, i == 0 ? NULL : streams[0]);
143 pa_format_info_free(formats[0]);
149 case PA_CONTEXT_TERMINATED:
150 mainloop_api->quit(mainloop_api, 0);
153 case PA_CONTEXT_FAILED:
155 fprintf(stderr, "Context error: %s\n", pa_strerror(pa_context_errno(c)));
160 START_TEST (extended_test) {
161 pa_mainloop* m = NULL;
164 for (i = 0; i < SAMPLE_HZ; i++)
165 data[i] = (float) sin(((double) i/SAMPLE_HZ)*2*M_PI*SINE_HZ)/2;
167 for (i = 0; i < NSTREAMS; i++)
170 /* Set up a new main loop */
171 m = pa_mainloop_new();
172 fail_unless(m != NULL);
174 mainloop_api = pa_mainloop_get_api(m);
176 context = pa_context_new(mainloop_api, bname);
177 fail_unless(context != NULL);
179 pa_context_set_state_callback(context, context_state_callback, NULL);
181 /* Connect the context */
182 if (pa_context_connect(context, NULL, 0, NULL) < 0) {
183 fprintf(stderr, "pa_context_connect() failed.\n");
187 if (pa_mainloop_run(m, &ret) < 0)
188 fprintf(stderr, "pa_mainloop_run() failed.\n");
191 pa_context_unref(context);
193 for (i = 0; i < NSTREAMS; i++)
195 pa_stream_unref(streams[i]);
199 fail_unless(ret == 0);
203 int main(int argc, char *argv[]) {
211 s = suite_create("Extended");
212 tc = tcase_create("extended");
213 tcase_add_test(tc, extended_test);
214 suite_add_tcase(s, tc);
216 sr = srunner_create(s);
217 srunner_run_all(sr, CK_NORMAL);
218 failed = srunner_ntests_failed(sr);
221 return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;