X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/4fd3886810d93a7d3d2c2505e8b9ac38df2430d1..d4170ca70fd4f87f77fa2213219eb30f89d3d0d0:/clients/playrtp.c

diff --git a/clients/playrtp.c b/clients/playrtp.c
index eb879fe..92cbb75 100644
--- a/clients/playrtp.c
+++ b/clients/playrtp.c
@@ -104,7 +104,7 @@ unsigned minbuffer = 2 * 44100 / 10;  /* 0.2 seconds */
 /** @brief Buffer high watermark
  *
  * We'll only start playing when this many samples are available. */
-static unsigned readahead = 2 * 2 * 44100;
+static unsigned readahead = 44100;      /* 0.5 seconds */
 
 /** @brief Maximum buffer size
  *
@@ -216,6 +216,7 @@ static const struct option options[] = {
   { "core-audio", no_argument, 0, 'c' },
 #endif
   { "dump", required_argument, 0, 'r' },
+  { "command", required_argument, 0, 'e' },
   { "socket", required_argument, 0, 's' },
   { "config", required_argument, 0, 'C' },
   { 0, 0, 0, 0 }
@@ -474,7 +475,7 @@ struct packet *playrtp_next_packet(void) {
 /* display usage message and terminate */
 static void help(void) {
   xprintf("Usage:\n"
-	  "  disorder-playrtp [OPTIONS] ADDRESS [PORT]\n"
+	  "  disorder-playrtp [OPTIONS] [[ADDRESS] PORT]\n"
 	  "Options:\n"
           "  --device, -D DEVICE     Output device\n"
           "  --min, -m FRAMES        Buffer low water mark\n"
@@ -491,6 +492,7 @@ static void help(void) {
 #if HAVE_COREAUDIO_AUDIOHARDWARE_H
           "  --core-audio, -c        Use Core Audio to play audio\n"
 #endif
+          "  --command, -e COMMAND   Pipe audio to command\n"
 	  "  --help, -h              Display usage message\n"
 	  "  --version, -V           Display version number\n"
           );
@@ -577,7 +579,6 @@ int main(int argc, char **argv) {
   };
   union any_sockaddr mgroup;
   const char *dumpfile = 0;
-  const char *device = 0;
   pthread_t ltid;
 
   static const struct addrinfo prefs = {
@@ -590,12 +591,12 @@ int main(int argc, char **argv) {
   mem_init();
   if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
   backend = uaudio_apis[0];
-  while((n = getopt_long(argc, argv, "hVdD:m:b:x:L:R:M:aocC:r", options, 0)) >= 0) {
+  while((n = getopt_long(argc, argv, "hVdD:m:b:x:L:R:M:aocC:re:", options, 0)) >= 0) {
     switch(n) {
     case 'h': help();
     case 'V': version("disorder-playrtp");
     case 'd': debugging = 1; break;
-    case 'D': device = optarg; break;
+    case 'D': uaudio_set("device", optarg); break;
     case 'm': minbuffer = 2 * atol(optarg); break;
     case 'b': readahead = 2 * atol(optarg); break;
     case 'x': maxbuffer = 2 * atol(optarg); break;
@@ -613,6 +614,7 @@ int main(int argc, char **argv) {
     case 'C': configfile = optarg; break;
     case 's': control_socket = optarg; break;
     case 'r': dumpfile = optarg; break;
+    case 'e': backend = &uaudio_command; uaudio_set("command", optarg); break;
     default: fatal(0, "invalid option");
     }
   }
@@ -742,9 +744,6 @@ int main(int argc, char **argv) {
       fatal(errno, "mapping %s", dumpfile);
     info("dumping to %s", dumpfile);
   }
-  /* Choose output device */
-  if(device)
-    uaudio_set("device", device);
   /* Set up output.  Currently we only support L16 so there's no harm setting
    * the format before we know what it is! */
   uaudio_set_format(44100/*Hz*/, 2/*channels*/,
@@ -764,7 +763,9 @@ int main(int argc, char **argv) {
     info("Playing...");
     next_timestamp = pheap_first(&packets)->timestamp;
     active = 1;
+    pthread_mutex_unlock(&lock);
     backend->activate();
+    pthread_mutex_lock(&lock);
     /* Wait until the buffer empties out */
     while(nsamples >= minbuffer
 	  || (nsamples > 0
@@ -772,7 +773,9 @@ int main(int argc, char **argv) {
       pthread_cond_wait(&cond, &lock);
     }
     /* Stop playing for a bit until the buffer re-fills */
+    pthread_mutex_unlock(&lock);
     backend->deactivate();
+    pthread_mutex_lock(&lock);
     active = 0;
     /* Go back round */
   }