4 This file is part of polypaudio.
6 polypaudio 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 polypaudio 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 polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
37 #include <polyp/polypaudio.h>
38 #include <polyp/mainloop.h>
39 #include <polyp/mainloop-signal.h>
41 #if PA_API_VERSION != 8
42 #error Invalid Polypaudio API version
45 static pa_context *context = NULL;
46 static pa_stream *stream = NULL;
47 static pa_mainloop_api *mainloop_api = NULL;
49 static char *stream_name = NULL, *client_name = NULL, *device = NULL;
51 static int verbose = 0;
52 static pa_volume_t volume = PA_VOLUME_NORM;
54 static SNDFILE* sndfile = NULL;
56 static pa_sample_spec sample_spec = { 0, 0, 0 };
58 static sf_count_t (*readf_function)(SNDFILE *_sndfile, void *ptr, sf_count_t frames);
60 /* A shortcut for terminating the application */
61 static void quit(int ret) {
63 mainloop_api->quit(mainloop_api, ret);
66 /* Connection draining complete */
67 static void context_drain_complete(pa_context*c, void *userdata) {
68 pa_context_disconnect(c);
71 /* Stream draining complete */
72 static void stream_drain_complete(pa_stream*s, int success, void *userdata) {
76 fprintf(stderr, "Failed to drain stream: %s\n", pa_strerror(pa_context_errno(context)));
81 fprintf(stderr, "Playback stream drained.\n");
83 pa_stream_disconnect(stream);
84 pa_stream_unref(stream);
87 if (!(o = pa_context_drain(context, context_drain_complete, NULL)))
88 pa_context_disconnect(context);
90 pa_operation_unref(o);
93 fprintf(stderr, "Draining connection to server.\n");
97 /* This is called whenever new data may be written to the stream */
98 static void stream_write_callback(pa_stream *s, size_t length, void *userdata) {
107 k = pa_frame_size(&sample_spec);
109 data = malloc(length);
113 f = readf_function(sndfile, data, n);
116 pa_stream_write(s, data, f*k, free, 0, PA_SEEK_RELATIVE);
121 pa_operation_unref(pa_stream_drain(s, stream_drain_complete, NULL));
125 /* This routine is called whenever the stream state changes */
126 static void stream_state_callback(pa_stream *s, void *userdata) {
129 switch (pa_stream_get_state(s)) {
130 case PA_STREAM_CREATING:
131 case PA_STREAM_TERMINATED:
134 case PA_STREAM_READY:
136 fprintf(stderr, "Stream successfully created\n");
139 case PA_STREAM_FAILED:
141 fprintf(stderr, "Stream errror: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
146 /* This is called whenever the context status changes */
147 static void context_state_callback(pa_context *c, void *userdata) {
150 switch (pa_context_get_state(c)) {
151 case PA_CONTEXT_CONNECTING:
152 case PA_CONTEXT_AUTHORIZING:
153 case PA_CONTEXT_SETTING_NAME:
156 case PA_CONTEXT_READY: {
159 assert(c && !stream);
162 fprintf(stderr, "Connection established.\n");
164 stream = pa_stream_new(c, stream_name, &sample_spec, NULL);
167 pa_stream_set_state_callback(stream, stream_state_callback, NULL);
168 pa_stream_set_write_callback(stream, stream_write_callback, NULL);
169 pa_stream_connect_playback(stream, device, NULL, 0, pa_cvolume_set(&cv, sample_spec.channels, volume), NULL);
174 case PA_CONTEXT_TERMINATED:
178 case PA_CONTEXT_FAILED:
180 fprintf(stderr, "Connection failure: %s\n", pa_strerror(pa_context_errno(c)));
185 /* UNIX signal to quit recieved */
186 static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
188 fprintf(stderr, "Got SIGINT, exiting.\n");
193 static void help(const char *argv0) {
195 printf("%s [options] [FILE]\n\n"
196 " -h, --help Show this help\n"
197 " --version Show version\n\n"
198 " -v, --verbose Enable verbose operations\n\n"
199 " -s, --server=SERVER The name of the server to connect to\n"
200 " -d, --device=DEVICE The name of the sink/source to connect to\n"
201 " -n, --client-name=NAME How to call this client on the server\n"
202 " --stream-name=NAME How to call this stream on the server\n"
203 " --volume=VOLUME Specify the initial (linear) volume in range 0...256\n",
213 int main(int argc, char *argv[]) {
214 pa_mainloop* m = NULL;
216 char *bn, *server = NULL;
217 const char *filename;
220 static const struct option long_options[] = {
221 {"device", 1, NULL, 'd'},
222 {"server", 1, NULL, 's'},
223 {"client-name", 1, NULL, 'n'},
224 {"stream-name", 1, NULL, ARG_STREAM_NAME},
225 {"version", 0, NULL, ARG_VERSION},
226 {"help", 0, NULL, 'h'},
227 {"verbose", 0, NULL, 'v'},
228 {"volume", 1, NULL, ARG_VOLUME},
232 if (!(bn = strrchr(argv[0], '/')))
237 while ((c = getopt_long(argc, argv, "d:s:n:hv", long_options, NULL)) != -1) {
246 printf("paplay "PACKAGE_VERSION"\nCompiled with libpolyp %s\nLinked with libpolyp %s\n", pa_get_headers_version(), pa_get_library_version());
252 device = strdup(optarg);
257 server = strdup(optarg);
262 client_name = strdup(optarg);
265 case ARG_STREAM_NAME:
267 stream_name = strdup(optarg);
275 int v = atoi(optarg);
276 volume = v < 0 ? 0 : v;
286 filename = optind < argc ? argv[optind] : "STDIN";
290 client_name = strdup(bn);
293 stream_name = strdup(filename);
295 memset(&sfinfo, 0, sizeof(sfinfo));
298 sndfile = sf_open(filename, SFM_READ, &sfinfo);
300 sndfile = sf_open_fd(STDIN_FILENO, SFM_READ, &sfinfo, 0);
303 fprintf(stderr, "Failed to open file '%s'\n", filename);
307 sample_spec.rate = sfinfo.samplerate;
308 sample_spec.channels = sfinfo.channels;
310 switch (sfinfo.format & 0xFF) {
311 case SF_FORMAT_PCM_16:
312 case SF_FORMAT_PCM_U8:
315 sample_spec.format = PA_SAMPLE_S16NE;
316 readf_function = (sf_count_t (*)(SNDFILE *_sndfile, void *ptr, sf_count_t frames)) sf_readf_short;
318 case SF_FORMAT_FLOAT:
320 sample_spec.format = PA_SAMPLE_FLOAT32NE;
321 readf_function = (sf_count_t (*)(SNDFILE *_sndfile, void *ptr, sf_count_t frames)) sf_readf_float;
326 char t[PA_SAMPLE_SPEC_SNPRINT_MAX];
327 pa_sample_spec_snprint(t, sizeof(t), &sample_spec);
328 fprintf(stderr, "Using sample spec '%s'\n", t);
331 /* Set up a new main loop */
332 if (!(m = pa_mainloop_new())) {
333 fprintf(stderr, "pa_mainloop_new() failed.\n");
337 mainloop_api = pa_mainloop_get_api(m);
339 r = pa_signal_init(mainloop_api);
341 pa_signal_new(SIGINT, exit_signal_callback, NULL);
343 signal(SIGPIPE, SIG_IGN);
346 /* Create a new connection context */
347 if (!(context = pa_context_new(mainloop_api, client_name))) {
348 fprintf(stderr, "pa_context_new() failed.\n");
352 pa_context_set_state_callback(context, context_state_callback, NULL);
354 /* Connect the context */
355 pa_context_connect(context, server, 0, NULL);
357 /* Run the main loop */
358 if (pa_mainloop_run(m, &ret) < 0) {
359 fprintf(stderr, "pa_mainloop_run() failed.\n");
365 pa_stream_unref(stream);
368 pa_context_unref(context);