uncrustify as demanded.
[oweals/gnunet.git] / src / conversation / gnunet-helper-audio-record.c
index f3f51e68155b9e38bddd2f15251d822364920cd2..0cfc04578276cd48a142b9bb95dbb26c0e7a370b 100644 (file)
      WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      Affero General Public License for more details.
-    
+
      You should have received a copy of the GNU Affero General Public License
      along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
      SPDX-License-Identifier: AGPL3.0-or-later
-*/
+ */
 /**
  * @file conversation/gnunet-helper-audio-record.c
  * @brief program to record audio data from the microphone
@@ -149,8 +149,7 @@ static pa_sample_spec sample_spec = {
 GNUNET_NETWORK_STRUCT_BEGIN
 
 /* OggOpus spec says the numbers must be in little-endian order */
-struct OpusHeadPacket
-{
+struct OpusHeadPacket {
   uint8_t magic[8];
   uint8_t version;
   uint8_t channels;
@@ -160,8 +159,7 @@ struct OpusHeadPacket
   uint8_t channel_mapping;
 };
 
-struct OpusCommentsPacket
-{
+struct OpusCommentsPacket {
   uint8_t magic[8];
   uint32_t vendor_length;
   /* followed by:
@@ -267,61 +265,63 @@ static int dump_pure_ogg;
  * Pulseaudio shutdown task
  */
 static void
-quit (int ret)
+quit(int ret)
 {
-  mainloop_api->quit (mainloop_api,
-                     ret);
-  exit (ret);
+  mainloop_api->quit(mainloop_api,
+                     ret);
+  exit(ret);
 }
 
 
 static void
-write_data (const char *ptr,
-           size_t msg_size)
+write_data(const char *ptr,
+           size_t msg_size)
 {
   ssize_t ret;
   size_t off;
+
   off = 0;
   while (off < msg_size)
-  {
-    ret = write (STDOUT_FILENO,
-                &ptr[off],
-                msg_size - off);
-    if (0 >= ret)
     {
-      if (-1 == ret)
-        GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR,
-                            "write");
-      quit (2);
+      ret = write(STDOUT_FILENO,
+                  &ptr[off],
+                  msg_size - off);
+      if (0 >= ret)
+        {
+          if (-1 == ret)
+            GNUNET_log_strerror(GNUNET_ERROR_TYPE_ERROR,
+                                "write");
+          quit(2);
+        }
+      off += ret;
     }
-    off += ret;
-  }
 }
 
 
 static void
-write_page (ogg_page *og)
+write_page(ogg_page *og)
 {
   static unsigned long long toff;
   size_t msg_size;
-  msg_size = sizeof (struct AudioMessage) + og->header_len + og->body_len;
-  audio_message->header.size = htons ((uint16_t) msg_size);
-  GNUNET_memcpy (&audio_message[1], og->header, og->header_len);
-  GNUNET_memcpy (((char *) &audio_message[1]) + og->header_len, og->body, og->body_len);
+
+  msg_size = sizeof(struct AudioMessage) + og->header_len + og->body_len;
+  audio_message->header.size = htons((uint16_t)msg_size);
+  GNUNET_memcpy(&audio_message[1], og->header, og->header_len);
+  GNUNET_memcpy(((char *)&audio_message[1]) + og->header_len, og->body, og->body_len);
 
   toff += msg_size;
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Sending %u bytes of audio data (total: %llu)\n",
-              (unsigned int) msg_size,
-              toff);
+  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+             "Sending %u bytes of audio data (total: %llu)\n",
+             (unsigned int)msg_size,
+             toff);
 #ifdef DEBUG_RECORD_PURE_OGG
   if (dump_pure_ogg)
-    write_data ((const char *) &audio_message[1],
-               og->header_len + og->body_len);
+    write_data((const char *)&audio_message[1],
+               og->header_len + og->body_len);
   else
 #endif
-    write_data ((const char *) audio_message,
-               msg_size);
+  write_data((const char *)audio_message,
+             msg_size);
 }
 
 
@@ -329,7 +329,7 @@ write_page (ogg_page *og)
  * Creates OPUS packets from PCM data
  */
 static void
-packetizer ()
+packetizer()
 {
   char *nbuf;
   size_t new_size;
@@ -338,68 +338,68 @@ packetizer ()
   ogg_page og;
 
   while (transmit_buffer_length >= transmit_buffer_index + pcm_length)
-  {
-    GNUNET_memcpy (pcm_buffer,
-           &transmit_buffer[transmit_buffer_index],
-           pcm_length);
-    transmit_buffer_index += pcm_length;
-    len =
-      opus_encode_float (enc, pcm_buffer, FRAME_SIZE, opus_data,
-                        MAX_PAYLOAD_BYTES);
-
-    if (len < 0)
-    {
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                  _("opus_encode_float() failed: %s. Aborting\n"),
-                  opus_strerror (len));
-      quit (5);
-    }
-    if (((uint32_t)len) > UINT16_MAX - sizeof (struct AudioMessage))
-    {
-      GNUNET_break (0);
-      continue;
-    }
-
-    /* As per OggOpus spec, granule is calculated as if the audio
-       had 48kHz sampling rate. */
-    enc_granulepos += FRAME_SIZE * 48000 / SAMPLING_RATE;
-
-    op.packet = (unsigned char *) opus_data;
-    op.bytes = len;
-    op.b_o_s = 0;
-    op.e_o_s = 0;
-    op.granulepos = enc_granulepos;
-    op.packetno = packet_id++;
-    ogg_stream_packetin (&os, &op);
-
-    while (ogg_stream_flush_fill (&os, &og, PAGE_WATERLINE))
     {
-      if ( ((unsigned long long) og.header_len) +
-          ((unsigned long long) og.body_len) >
-          UINT16_MAX - sizeof (struct AudioMessage))
-      {
-        GNUNET_assert (0);
-        continue;
-      }
-      write_page (&og);
+      GNUNET_memcpy(pcm_buffer,
+                    &transmit_buffer[transmit_buffer_index],
+                    pcm_length);
+      transmit_buffer_index += pcm_length;
+      len =
+        opus_encode_float(enc, pcm_buffer, FRAME_SIZE, opus_data,
+                          MAX_PAYLOAD_BYTES);
+
+      if (len < 0)
+        {
+          GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                     _("opus_encode_float() failed: %s. Aborting\n"),
+                     opus_strerror(len));
+          quit(5);
+        }
+      if (((uint32_t)len) > UINT16_MAX - sizeof(struct AudioMessage))
+        {
+          GNUNET_break(0);
+          continue;
+        }
+
+      /* As per OggOpus spec, granule is calculated as if the audio
+         had 48kHz sampling rate. */
+      enc_granulepos += FRAME_SIZE * 48000 / SAMPLING_RATE;
+
+      op.packet = (unsigned char *)opus_data;
+      op.bytes = len;
+      op.b_o_s = 0;
+      op.e_o_s = 0;
+      op.granulepos = enc_granulepos;
+      op.packetno = packet_id++;
+      ogg_stream_packetin(&os, &op);
+
+      while (ogg_stream_flush_fill(&os, &og, PAGE_WATERLINE))
+        {
+          if (((unsigned long long)og.header_len) +
+              ((unsigned long long)og.body_len) >
+              UINT16_MAX - sizeof(struct AudioMessage))
+            {
+              GNUNET_assert(0);
+              continue;
+            }
+          write_page(&og);
+        }
     }
-  }
 
   new_size = transmit_buffer_length - transmit_buffer_index;
   if (0 != new_size)
-  {
-    nbuf = pa_xmalloc (new_size);
-    memmove (nbuf,
-            &transmit_buffer[transmit_buffer_index],
-            new_size);
-    pa_xfree (transmit_buffer);
-    transmit_buffer = nbuf;
-  }
+    {
+      nbuf = pa_xmalloc(new_size);
+      memmove(nbuf,
+              &transmit_buffer[transmit_buffer_index],
+              new_size);
+      pa_xfree(transmit_buffer);
+      transmit_buffer = nbuf;
+    }
   else
-  {
-    pa_xfree (transmit_buffer);
-    transmit_buffer = NULL;
-  }
+    {
+      pa_xfree(transmit_buffer);
+      transmit_buffer = NULL;
+    }
   transmit_buffer_index = 0;
   transmit_buffer_length = new_size;
 }
@@ -409,51 +409,51 @@ packetizer ()
  * Pulseaudio callback when new data is available.
  */
 static void
-stream_read_callback (pa_stream * s,
-                     size_t length,
-                     void *userdata)
+stream_read_callback(pa_stream * s,
+                     size_t length,
+                     void *userdata)
 {
   const void *data;
 
-  (void) userdata;
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-             "Got %u/%d bytes of PCM data\n",
-             (unsigned int) length,
-             pcm_length);
+  (void)userdata;
+  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+             "Got %u/%d bytes of PCM data\n",
+             (unsigned int)length,
+             pcm_length);
 
-  GNUNET_assert (NULL != s);
-  GNUNET_assert (length > 0);
+  GNUNET_assert(NULL != s);
+  GNUNET_assert(length > 0);
   if (stdio_event)
-    mainloop_api->io_enable (stdio_event, PA_IO_EVENT_OUTPUT);
+    mainloop_api->io_enable(stdio_event, PA_IO_EVENT_OUTPUT);
 
-  if (pa_stream_peek (s, (const void **) &data, &length) < 0)
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-               _("pa_stream_peek() failed: %s\n"),
-               pa_strerror (pa_context_errno (context)));
-    quit (1);
-    return;
-  }
-  GNUNET_assert (NULL != data);
-  GNUNET_assert (length > 0);
+  if (pa_stream_peek(s, (const void **)&data, &length) < 0)
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                 _("pa_stream_peek() failed: %s\n"),
+                 pa_strerror(pa_context_errno(context)));
+      quit(1);
+      return;
+    }
+  GNUNET_assert(NULL != data);
+  GNUNET_assert(length > 0);
   if (NULL != transmit_buffer)
-  {
-    transmit_buffer = pa_xrealloc (transmit_buffer,
-                                  transmit_buffer_length + length);
-    GNUNET_memcpy (&transmit_buffer[transmit_buffer_length],
-           data,
-           length);
-    transmit_buffer_length += length;
-  }
+    {
+      transmit_buffer = pa_xrealloc(transmit_buffer,
+                                    transmit_buffer_length + length);
+      GNUNET_memcpy(&transmit_buffer[transmit_buffer_length],
+                    data,
+                    length);
+      transmit_buffer_length += length;
+    }
   else
-  {
-    transmit_buffer = pa_xmalloc (length);
-    GNUNET_memcpy (transmit_buffer, data, length);
-    transmit_buffer_length = length;
-    transmit_buffer_index = 0;
-  }
-  pa_stream_drop (s);
-  packetizer ();
+    {
+      transmit_buffer = pa_xmalloc(length);
+      GNUNET_memcpy(transmit_buffer, data, length);
+      transmit_buffer_length = length;
+      transmit_buffer_index = 0;
+    }
+  pa_stream_drop(s);
+  packetizer();
 }
 
 
@@ -461,18 +461,18 @@ stream_read_callback (pa_stream * s,
  * Exit callback for SIGTERM and SIGINT
  */
 static void
-exit_signal_callback (pa_mainloop_api * m,
-                     pa_signal_event * e,
-                     int sig,
-                     void *userdata)
+exit_signal_callback(pa_mainloop_api * m,
+                     pa_signal_event * e,
+                     int sig,
+                     void *userdata)
 {
-  (void) m;
-  (void) e;
-  (void) sig;
-  (void) userdata;
-  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-             _("Got signal, exiting.\n"));
-  quit (1);
+  (void)m;
+  (void)e;
+  (void)sig;
+  (void)userdata;
+  GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+             _("Got signal, exiting.\n"));
+  quit(1);
 }
 
 
@@ -480,60 +480,61 @@ exit_signal_callback (pa_mainloop_api * m,
  * Pulseaudio stream state callback
  */
 static void
-stream_state_callback (pa_stream * s,
-                      void *userdata)
+stream_state_callback(pa_stream * s,
+                      void *userdata)
 {
-  (void) userdata;
-  GNUNET_assert (NULL != s);
-  switch (pa_stream_get_state (s))
-  {
-  case PA_STREAM_CREATING:
-  case PA_STREAM_TERMINATED:
-    break;
-  case PA_STREAM_READY:
+  (void)userdata;
+  GNUNET_assert(NULL != s);
+  switch (pa_stream_get_state(s))
+    {
+    case PA_STREAM_CREATING:
+    case PA_STREAM_TERMINATED:
+      break;
+
+    case PA_STREAM_READY:
     {
       const pa_buffer_attr *a;
       char cmt[PA_CHANNEL_MAP_SNPRINT_MAX];
       char sst[PA_SAMPLE_SPEC_SNPRINT_MAX];
 
-      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                 _("Stream successfully created.\n"));
+      GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+                 _("Stream successfully created.\n"));
 
-      if (!(a = pa_stream_get_buffer_attr (s)))
-      {
-       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                   _("pa_stream_get_buffer_attr() failed: %s\n"),
-                   pa_strerror (pa_context_errno
-                                (pa_stream_get_context (s))));
-
-      }
+      if (!(a = pa_stream_get_buffer_attr(s)))
+        {
+          GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                     _("pa_stream_get_buffer_attr() failed: %s\n"),
+                     pa_strerror(pa_context_errno
+                                   (pa_stream_get_context(s))));
+        }
       else
-      {
-       GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                   _("Buffer metrics: maxlength=%u, fragsize=%u\n"),
-                   a->maxlength, a->fragsize);
-      }
-      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                 _("Using sample spec '%s', channel map '%s'.\n"),
-                 pa_sample_spec_snprint (sst, sizeof (sst),
-                                         pa_stream_get_sample_spec (s)),
-                 pa_channel_map_snprint (cmt, sizeof (cmt),
-                                         pa_stream_get_channel_map (s)));
-
-      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                 _("Connected to device %s (%u, %ssuspended).\n"),
-                 pa_stream_get_device_name (s),
-                 pa_stream_get_device_index (s),
-                 pa_stream_is_suspended (s) ? "" : "not ");
+        {
+          GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+                     _("Buffer metrics: maxlength=%u, fragsize=%u\n"),
+                     a->maxlength, a->fragsize);
+        }
+      GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+                 _("Using sample spec '%s', channel map '%s'.\n"),
+                 pa_sample_spec_snprint(sst, sizeof(sst),
+                                        pa_stream_get_sample_spec(s)),
+                 pa_channel_map_snprint(cmt, sizeof(cmt),
+                                        pa_stream_get_channel_map(s)));
+
+      GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+                 _("Connected to device %s (%u, %ssuspended).\n"),
+                 pa_stream_get_device_name(s),
+                 pa_stream_get_device_index(s),
+                 pa_stream_is_suspended(s) ? "" : "not ");
     }
     break;
-  case PA_STREAM_FAILED:
-  default:
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-               _("Stream error: %s\n"),
-               pa_strerror (pa_context_errno (pa_stream_get_context (s))));
-    quit (1);
-  }
+
+    case PA_STREAM_FAILED:
+    default:
+      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                 _("Stream error: %s\n"),
+                 pa_strerror(pa_context_errno(pa_stream_get_context(s))));
+      quit(1);
+    }
 }
 
 
@@ -541,64 +542,67 @@ stream_state_callback (pa_stream * s,
  * Pulseaudio context state callback
  */
 static void
-context_state_callback (pa_context * c,
-                       void *userdata)
+context_state_callback(pa_context * c,
+                       void *userdata)
 {
-  (void) userdata;
-  GNUNET_assert (c);
+  (void)userdata;
+  GNUNET_assert(c);
 
-  switch (pa_context_get_state (c))
-  {
-  case PA_CONTEXT_CONNECTING:
-  case PA_CONTEXT_AUTHORIZING:
-  case PA_CONTEXT_SETTING_NAME:
-    break;
-  case PA_CONTEXT_READY:
-  {
-    int r;
-    pa_buffer_attr na;
-
-    GNUNET_assert (!stream_in);
-    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-               _("Connection established.\n"));
-    if (! (stream_in =
-          pa_stream_new (c, "GNUNET_VoIP recorder", &sample_spec, NULL)))
+  switch (pa_context_get_state(c))
     {
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                 _("pa_stream_new() failed: %s\n"),
-                 pa_strerror (pa_context_errno (c)));
-      goto fail;
-    }
-    pa_stream_set_state_callback (stream_in, &stream_state_callback, NULL);
-    pa_stream_set_read_callback (stream_in, &stream_read_callback, NULL);
-    memset (&na, 0, sizeof (na));
-    na.maxlength = UINT32_MAX;
-    na.fragsize = pcm_length;
-    if ((r = pa_stream_connect_record (stream_in, NULL, &na,
-                                      PA_STREAM_ADJUST_LATENCY)) < 0)
+    case PA_CONTEXT_CONNECTING:
+    case PA_CONTEXT_AUTHORIZING:
+    case PA_CONTEXT_SETTING_NAME:
+      break;
+
+    case PA_CONTEXT_READY:
     {
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                 _("pa_stream_connect_record() failed: %s\n"),
-                 pa_strerror (pa_context_errno (c)));
-      goto fail;
+      int r;
+      pa_buffer_attr na;
+
+      GNUNET_assert(!stream_in);
+      GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+                 _("Connection established.\n"));
+      if (!(stream_in =
+              pa_stream_new(c, "GNUNET_VoIP recorder", &sample_spec, NULL)))
+        {
+          GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                     _("pa_stream_new() failed: %s\n"),
+                     pa_strerror(pa_context_errno(c)));
+          goto fail;
+        }
+      pa_stream_set_state_callback(stream_in, &stream_state_callback, NULL);
+      pa_stream_set_read_callback(stream_in, &stream_read_callback, NULL);
+      memset(&na, 0, sizeof(na));
+      na.maxlength = UINT32_MAX;
+      na.fragsize = pcm_length;
+      if ((r = pa_stream_connect_record(stream_in, NULL, &na,
+                                        PA_STREAM_ADJUST_LATENCY)) < 0)
+        {
+          GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                     _("pa_stream_connect_record() failed: %s\n"),
+                     pa_strerror(pa_context_errno(c)));
+          goto fail;
+        }
+
+      break;
     }
 
-    break;
-  }
-  case PA_CONTEXT_TERMINATED:
-    quit (0);
-    break;
-  case PA_CONTEXT_FAILED:
-  default:
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-               _("Connection failure: %s\n"),
-               pa_strerror (pa_context_errno (c)));
-    goto fail;
-  }
+    case PA_CONTEXT_TERMINATED:
+      quit(0);
+      break;
+
+    case PA_CONTEXT_FAILED:
+    default:
+      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                 _("Connection failure: %s\n"),
+                 pa_strerror(pa_context_errno(c)));
+      goto fail;
+    }
   return;
 
 fail:
-  quit (1);
+  quit(1);
 }
 
 
@@ -606,49 +610,49 @@ fail:
  * Pulsaudio init
  */
 static void
-pa_init ()
+pa_init()
 {
   int r;
   int i;
 
-  if (!pa_sample_spec_valid (&sample_spec))
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-               _("Wrong Spec\n"));
-  }
+  if (!pa_sample_spec_valid(&sample_spec))
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                 _("Wrong Spec\n"));
+    }
   /* set up main record loop */
-  if (!(m = pa_mainloop_new ()))
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-               _("pa_mainloop_new() failed.\n"));
-  }
-  mainloop_api = pa_mainloop_get_api (m);
+  if (!(m = pa_mainloop_new()))
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                 _("pa_mainloop_new() failed.\n"));
+    }
+  mainloop_api = pa_mainloop_get_api(m);
 
   /* listen to signals */
-  r = pa_signal_init (mainloop_api);
-  GNUNET_assert (r == 0);
-  pa_signal_new (SIGINT, &exit_signal_callback, NULL);
-  pa_signal_new (SIGTERM, &exit_signal_callback, NULL);
+  r = pa_signal_init(mainloop_api);
+  GNUNET_assert(r == 0);
+  pa_signal_new(SIGINT, &exit_signal_callback, NULL);
+  pa_signal_new(SIGTERM, &exit_signal_callback, NULL);
 
   /* connect to the main pulseaudio context */
 
-  if (!(context = pa_context_new (mainloop_api, "GNUNET VoIP")))
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-               _("pa_context_new() failed.\n"));
-  }
-  pa_context_set_state_callback (context, &context_state_callback, NULL);
-  if (pa_context_connect (context, NULL, 0, NULL) < 0)
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-               _("pa_context_connect() failed: %s\n"),
-               pa_strerror (pa_context_errno (context)));
-  }
-  if (pa_mainloop_run (m, &i) < 0)
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-               _("pa_mainloop_run() failed.\n"));
-  }
+  if (!(context = pa_context_new(mainloop_api, "GNUNET VoIP")))
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                 _("pa_context_new() failed.\n"));
+    }
+  pa_context_set_state_callback(context, &context_state_callback, NULL);
+  if (pa_context_connect(context, NULL, 0, NULL) < 0)
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                 _("pa_context_connect() failed: %s\n"),
+                 pa_strerror(pa_context_errno(context)));
+    }
+  if (pa_mainloop_run(m, &i) < 0)
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                 _("pa_mainloop_run() failed.\n"));
+    }
 }
 
 
@@ -656,45 +660,45 @@ pa_init ()
  * OPUS init
  */
 static void
-opus_init ()
+opus_init()
 {
   int err;
 
-  pcm_length = FRAME_SIZE * CHANNELS * sizeof (float);
-  pcm_buffer = pa_xmalloc (pcm_length);
-  opus_data = GNUNET_malloc (MAX_PAYLOAD_BYTES);
-  enc = opus_encoder_create (SAMPLING_RATE,
-                            CHANNELS,
-                            CONV_OPUS_APP_TYPE,
-                            &err);
-  opus_encoder_ctl (enc,
-                   OPUS_SET_PACKET_LOSS_PERC (CONV_OPUS_PACKET_LOSS_PERCENTAGE));
-  opus_encoder_ctl (enc,
-                   OPUS_SET_COMPLEXITY (CONV_OPUS_ENCODING_COMPLEXITY));
-  opus_encoder_ctl (enc,
-                   OPUS_SET_INBAND_FEC (CONV_OPUS_INBAND_FEC));
-  opus_encoder_ctl (enc,
-                   OPUS_SET_SIGNAL (CONV_OPUS_SIGNAL));
+  pcm_length = FRAME_SIZE * CHANNELS * sizeof(float);
+  pcm_buffer = pa_xmalloc(pcm_length);
+  opus_data = GNUNET_malloc(MAX_PAYLOAD_BYTES);
+  enc = opus_encoder_create(SAMPLING_RATE,
+                            CHANNELS,
+                            CONV_OPUS_APP_TYPE,
+                            &err);
+  opus_encoder_ctl(enc,
+                   OPUS_SET_PACKET_LOSS_PERC(CONV_OPUS_PACKET_LOSS_PERCENTAGE));
+  opus_encoder_ctl(enc,
+                   OPUS_SET_COMPLEXITY(CONV_OPUS_ENCODING_COMPLEXITY));
+  opus_encoder_ctl(enc,
+                   OPUS_SET_INBAND_FEC(CONV_OPUS_INBAND_FEC));
+  opus_encoder_ctl(enc,
+                   OPUS_SET_SIGNAL(CONV_OPUS_SIGNAL));
 }
 
 
 static void
-ogg_init ()
+ogg_init()
 {
   int serialno;
   struct OpusHeadPacket headpacket;
   struct OpusCommentsPacket *commentspacket;
   size_t commentspacket_len;
 
-  serialno = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG,
-                                      0x7FFFFFFF);
+  serialno = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_STRONG,
+                                      0x7FFFFFFF);
   /*Initialize Ogg stream struct*/
-  if (-1 == ogg_stream_init (&os, serialno))
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-               _("ogg_stream_init() failed.\n"));
-    exit (3);
-  }
+  if (-1 == ogg_stream_init(&os, serialno))
+    {
+      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                 _("ogg_stream_init() failed.\n"));
+      exit(3);
+    }
 
   packet_id = 0;
 
@@ -705,64 +709,64 @@ ogg_init ()
     const char *opusver;
     int vendor_length;
 
-    GNUNET_memcpy (headpacket.magic, "OpusHead", 8);
+    GNUNET_memcpy(headpacket.magic, "OpusHead", 8);
     headpacket.version = 1;
     headpacket.channels = CHANNELS;
-    headpacket.preskip = GNUNET_htole16 (0);
-    headpacket.sampling_rate = GNUNET_htole32 (SAMPLING_RATE);
-    headpacket.gain = GNUNET_htole16 (0);
+    headpacket.preskip = GNUNET_htole16(0);
+    headpacket.sampling_rate = GNUNET_htole32(SAMPLING_RATE);
+    headpacket.gain = GNUNET_htole16(0);
     headpacket.channel_mapping = 0; /* Mono or stereo */
 
-    op.packet = (unsigned char *) &headpacket;
-    op.bytes = sizeof (headpacket);
+    op.packet = (unsigned char *)&headpacket;
+    op.bytes = sizeof(headpacket);
     op.b_o_s = 1;
     op.e_o_s = 0;
     op.granulepos = 0;
     op.packetno = packet_id++;
-    ogg_stream_packetin (&os, &op);
+    ogg_stream_packetin(&os, &op);
 
     /* Head packet must be alone on its page */
-    while (ogg_stream_flush (&os, &og))
-    {
-      write_page (&og);
-    }
+    while (ogg_stream_flush(&os, &og))
+      {
+        write_page(&og);
+      }
 
-    commentspacket_len = sizeof (*commentspacket);
-    opusver = opus_get_version_string ();
-    vendor_length = strlen (opusver);
+    commentspacket_len = sizeof(*commentspacket);
+    opusver = opus_get_version_string();
+    vendor_length = strlen(opusver);
     commentspacket_len += vendor_length;
-    commentspacket_len += sizeof (uint32_t);
+    commentspacket_len += sizeof(uint32_t);
 
-    commentspacket = (struct OpusCommentsPacket *) malloc (commentspacket_len);
+    commentspacket = (struct OpusCommentsPacket *)malloc(commentspacket_len);
     if (NULL == commentspacket)
-    {
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                 _("Failed to allocate %u bytes for second packet\n"),
-                  (unsigned int) commentspacket_len);
-      exit (5);
-    }
+      {
+        GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+                   _("Failed to allocate %u bytes for second packet\n"),
+                   (unsigned int)commentspacket_len);
+        exit(5);
+      }
 
-    GNUNET_memcpy (commentspacket->magic, "OpusTags", 8);
-    commentspacket->vendor_length = GNUNET_htole32 (vendor_length);
-    GNUNET_memcpy (&commentspacket[1], opusver, vendor_length);
-    *(uint32_t *) &((char *) &commentspacket[1])[vendor_length] = \
-        GNUNET_htole32 (0); /* no tags */
+    GNUNET_memcpy(commentspacket->magic, "OpusTags", 8);
+    commentspacket->vendor_length = GNUNET_htole32(vendor_length);
+    GNUNET_memcpy(&commentspacket[1], opusver, vendor_length);
+    *(uint32_t *)&((char *)&commentspacket[1])[vendor_length] = \
+      GNUNET_htole32(0);    /* no tags */
 
-    op.packet = (unsigned char *) commentspacket;
+    op.packet = (unsigned char *)commentspacket;
     op.bytes = commentspacket_len;
     op.b_o_s = 0;
     op.e_o_s = 0;
     op.granulepos = 0;
     op.packetno = packet_id++;
-    ogg_stream_packetin (&os, &op);
+    ogg_stream_packetin(&os, &op);
 
     /* Comment packets must not be mixed with audio packets on their pages */
-    while (ogg_stream_flush (&os, &og))
-    {
-      write_page (&og);
-    }
+    while (ogg_stream_flush(&os, &og))
+      {
+        write_page(&og);
+      }
 
-    free (commentspacket);
+    free(commentspacket);
   }
 }
 
@@ -774,25 +778,25 @@ ogg_init ()
  * @return 0 ok, 1 on error
  */
 int
-main (int argc,
-      char *argv[])
+main(int argc,
+     char *argv[])
 {
-  (void) argc;
-  (void) argv;
-  GNUNET_assert (GNUNET_OK ==
-                GNUNET_log_setup ("gnunet-helper-audio-record",
-                                  "WARNING",
-                                  NULL));
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-             "Audio source starts\n");
-  audio_message = GNUNET_malloc (UINT16_MAX);
-  audio_message->header.type = htons (GNUNET_MESSAGE_TYPE_CONVERSATION_AUDIO);
+  (void)argc;
+  (void)argv;
+  GNUNET_assert(GNUNET_OK ==
+                GNUNET_log_setup("gnunet-helper-audio-record",
+                                 "WARNING",
+                                 NULL));
+  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+             "Audio source starts\n");
+  audio_message = GNUNET_malloc(UINT16_MAX);
+  audio_message->header.type = htons(GNUNET_MESSAGE_TYPE_CONVERSATION_AUDIO);
 
 #ifdef DEBUG_RECORD_PURE_OGG
-  dump_pure_ogg = getenv ("GNUNET_RECORD_PURE_OGG") ? 1 : 0;
+  dump_pure_ogg = getenv("GNUNET_RECORD_PURE_OGG") ? 1 : 0;
 #endif
-  ogg_init ();
-  opus_init ();
-  pa_init ();
+  ogg_init();
+  opus_init();
+  pa_init();
   return 0;
 }