code.delx.au - pulseaudio/blob - src/tests/extended-test.c

   1 /***
   2   This file is part of PulseAudio.
   3
   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.
   8
   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.
  13
  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
  17   USA.
  18 ***/
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include <config.h>
  22 #endif
  23
  24 #include <signal.h>
  25 #include <errno.h>
  26 #include <unistd.h>
  27 #include <assert.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <math.h>
  31
  32 #include <check.h>
  33
  34 #include <pulse/pulseaudio.h>
  35 #include <pulse/mainloop.h>
  36
  37 #define NSTREAMS 4
  38 #define SINE_HZ 440
  39 #define SAMPLE_HZ 8000
  40
  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;
  45
  46 static float data[SAMPLE_HZ]; /* one second space */
  47
  48 static int n_streams_ready = 0;
  49
  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,
  55     .fragsize = 0
  56 };
  57
  58 static void nop_free_cb(void *p) {}
  59
  60 static void underflow_cb(struct pa_stream *s, void *userdata) {
  61     int i = (int) (long) userdata;
  62
  63     fprintf(stderr, "Stream %i finished\n", i);
  64
  65     if (++n_streams_ready >= 2*NSTREAMS) {
  66         fprintf(stderr, "We're done\n");
  67         mainloop_api->quit(mainloop_api, 0);
  68     }
  69 }
  70
  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);
  74
  75     switch (pa_stream_get_state(s)) {
  76         case PA_STREAM_UNCONNECTED:
  77         case PA_STREAM_CREATING:
  78         case PA_STREAM_TERMINATED:
  79             break;
  80
  81         case PA_STREAM_READY: {
  82
  83             int r, i = (int) (long) userdata;
  84
  85             fprintf(stderr, "Writing data to stream %i.\n", i);
  86
  87             r = pa_stream_write(s, data, sizeof(data), nop_free_cb, (int64_t) sizeof(data) * (int64_t) i, PA_SEEK_ABSOLUTE);
  88             fail_unless(r == 0);
  89
  90             /* Be notified when this stream is drained */
  91             pa_stream_set_underflow_callback(s, underflow_cb, userdata);
  92
  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));
  97             }
  98
  99             break;
 100         }
 101
 102         default:
 103         case PA_STREAM_FAILED:
 104             fprintf(stderr, "Stream error: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
 105             fail();
 106     }
 107 }
 108
 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);
 112
 113     switch (pa_context_get_state(c)) {
 114         case PA_CONTEXT_CONNECTING:
 115         case PA_CONTEXT_AUTHORIZING:
 116         case PA_CONTEXT_SETTING_NAME:
 117             break;
 118
 119         case PA_CONTEXT_READY: {
 120
 121             int i;
 122             fprintf(stderr, "Connection established.\n");
 123
 124             for (i = 0; i < NSTREAMS; i++) {
 125                 char name[64];
 126                 pa_format_info *formats[1];
 127
 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);
 133
 134                 fprintf(stderr, "Creating stream %i\n", i);
 135
 136                 snprintf(name, sizeof(name), "stream #%i", i);
 137
 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]);
 142
 143                 pa_format_info_free(formats[0]);
 144             }
 145
 146             break;
 147         }
 148
 149         case PA_CONTEXT_TERMINATED:
 150             mainloop_api->quit(mainloop_api, 0);
 151             break;
 152
 153         case PA_CONTEXT_FAILED:
 154         default:
 155             fprintf(stderr, "Context error: %s\n", pa_strerror(pa_context_errno(c)));
 156             fail();
 157     }
 158 }
 159
 160 START_TEST (extended_test) {
 161     pa_mainloop* m = NULL;
 162     int i, ret = 1;
 163
 164     for (i = 0; i < SAMPLE_HZ; i++)
 165         data[i] = (float) sin(((double) i/SAMPLE_HZ)*2*M_PI*SINE_HZ)/2;
 166
 167     for (i = 0; i < NSTREAMS; i++)
 168         streams[i] = NULL;
 169
 170     /* Set up a new main loop */
 171     m = pa_mainloop_new();
 172     fail_unless(m != NULL);
 173
 174     mainloop_api = pa_mainloop_get_api(m);
 175
 176     context = pa_context_new(mainloop_api, bname);
 177     fail_unless(context != NULL);
 178
 179     pa_context_set_state_callback(context, context_state_callback, NULL);
 180
 181     /* Connect the context */
 182     if (pa_context_connect(context, NULL, 0, NULL) < 0) {
 183         fprintf(stderr, "pa_context_connect() failed.\n");
 184         goto quit;
 185     }
 186
 187     if (pa_mainloop_run(m, &ret) < 0)
 188         fprintf(stderr, "pa_mainloop_run() failed.\n");
 189
 190 quit:
 191     pa_context_unref(context);
 192
 193     for (i = 0; i < NSTREAMS; i++)
 194         if (streams[i])
 195             pa_stream_unref(streams[i]);
 196
 197     pa_mainloop_free(m);
 198
 199     fail_unless(ret == 0);
 200 }
 201 END_TEST
 202
 203 int main(int argc, char *argv[]) {
 204     int failed = 0;
 205     Suite *s;
 206     TCase *tc;
 207     SRunner *sr;
 208
 209     bname = argv[0];
 210
 211     s = suite_create("Extended");
 212     tc = tcase_create("extended");
 213     tcase_add_test(tc, extended_test);
 214     suite_add_tcase(s, tc);
 215
 216     sr = srunner_create(s);
 217     srunner_run_all(sr, CK_NORMAL);
 218     failed = srunner_ntests_failed(sr);
 219     srunner_free(sr);
 220
 221     return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
 222 }