gstreamer/ext/shout/gstshout.c

/* GStreamer
 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstshout.h"

static char *SHOUT_ERRORS[] = {
  "ok",
  "insane",
  "could not connect",
  "could not login",
  "socket error",
  "could not allocate memory",
  "metadata error",
};

/* IcecastSend signals and args */
enum
{
  /* FILL ME */
  LAST_SIGNAL
};

enum
{
  ARG_0,
  ARG_IP,                       /* the ip of the server */
  ARG_PORT,                     /* the encoder port number on the server */
  ARG_PASSWORD,                 /* the encoder password on the server */
  ARG_PUBLIC,                   /* is this stream public? */
  ARG_NAME,                     /* Name of the stream */
  ARG_DESCRIPTION,              /* Description of the stream */
  ARG_GENRE,                    /* Genre of the stream */
  ARG_MOUNT,                    /* mountpoint of stream (icecast only) */
  ARG_DUMPFILE,                 /* Dumpfile on the server for this stream (icecast only) */
  ARG_ICY,                      /* use icy headers for login? (for use with shoutcast) */
  ARG_AIM,                      /* AIM number (shoutcast only) */
  ARG_ICQ,                      /* ICQ number (shoutcast only) */
  ARG_IRC                       /* IRC server (shoutcast only) */
};

static GstStaticPadTemplate sink_template_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS ("audio/mpeg, "
        "mpegversion = (int) 1, " "layer = (int) [ 1, 3 ]")
    );

static void gst_icecastsend_class_init (GstIcecastSendClass * klass);
static void gst_icecastsend_base_init (GstIcecastSendClass * klass);
static void gst_icecastsend_init (GstIcecastSend * icecastsend);

static void gst_icecastsend_chain (GstPad * pad, GstData * _data);

static void gst_icecastsend_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec);
static void gst_icecastsend_get_property (GObject * object, guint prop_id,
    GValue * value, GParamSpec * pspec);

static
    GstStateChangeReturn gst_icecastsend_change_state (GstElement * element,
    GstStateChange transition);

static GstElementClass *parent_class = NULL;

/*static guint gst_icecastsend_signals[LAST_SIGNAL] = { 0 }; */

GType
gst_icecastsend_get_type (void)
{
  static GType icecastsend_type = 0;

  if (!icecastsend_type) {
    static const GTypeInfo icecastsend_info = {
      sizeof (GstIcecastSendClass),
      (GBaseInitFunc) gst_icecastsend_base_init, NULL,
      (GClassInitFunc) gst_icecastsend_class_init, NULL, NULL,
      sizeof (GstIcecastSend), 0,
      (GInstanceInitFunc) gst_icecastsend_init,
    };

    icecastsend_type =
        g_type_register_static (GST_TYPE_ELEMENT, "GstIcecastSend",
        &icecastsend_info, 0);
  }
  return icecastsend_type;
}

static void
gst_icecastsend_base_init (GstIcecastSendClass * klass)
{
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);

  gst_element_class_add_pad_template (element_class,
      gst_static_pad_template_get (&sink_template_factory));
  gst_element_class_set_details_simple (element_class, "Icecast network sink",
      "Sink/Network",
      "Sends data to an icecast server using libshout",
      "Wim Taymans <wim.taymans@chello.be>");
}

static void
gst_icecastsend_class_init (GstIcecastSendClass * klass)
{
  GObjectClass *gobject_class;
  GstElementClass *gstelement_class;

  gobject_class = (GObjectClass *) klass;
  gstelement_class = (GstElementClass *) klass;

  parent_class = g_type_class_peek_parent (klass);

  /* FIXME: add long property descriptions */
  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_IP,
      g_param_spec_string ("ip", "ip", "ip", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PORT,
      g_param_spec_int ("port", "port", "port", G_MININT, G_MAXINT, 0,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PASSWORD,
      g_param_spec_string ("password", "password", "password", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PUBLIC,
      g_param_spec_boolean ("public", "public", "public", TRUE,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  /* metadata */
  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NAME,
      g_param_spec_string ("name", "name", "name", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DESCRIPTION,
      g_param_spec_string ("description", "description", "description", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_GENRE,
      g_param_spec_string ("genre", "genre", "genre", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  /* icecast only */
  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MOUNT,
      g_param_spec_string ("mount", "mount", "mount", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DUMPFILE,
      g_param_spec_string ("dumpfile", "dumpfile", "dumpfile", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  /* shoutcast only */
  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ICY,
      g_param_spec_boolean ("icy", "icy", "icy", FALSE,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_AIM,
      g_param_spec_string ("aim", "aim", "aim", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ICQ,
      g_param_spec_string ("icq", "icq", "icq", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_IRC,
      g_param_spec_string ("irc", "irc", "irc", NULL,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));


  gobject_class->set_property = gst_icecastsend_set_property;
  gobject_class->get_property = gst_icecastsend_get_property;

  gstelement_class->change_state = gst_icecastsend_change_state;
}

static void
gst_icecastsend_init (GstIcecastSend * icecastsend)
{
  GstElementClass *klass = GST_ELEMENT_GET_CLASS (icecastsend);

  icecastsend->sinkpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "sink"), "sink");
  gst_element_add_pad (GST_ELEMENT (icecastsend), icecastsend->sinkpad);
  gst_pad_set_chain_function (icecastsend->sinkpad, gst_icecastsend_chain);

  icecastsend->ip = g_strdup ("127.0.0.1");
  icecastsend->port = 8000;
  icecastsend->password = g_strdup ("hackme");
  icecastsend->public = TRUE;
  icecastsend->name = g_strdup ("");
  icecastsend->description = g_strdup ("");
  icecastsend->genre = g_strdup ("");
  icecastsend->mount = g_strdup ("");
  icecastsend->dumpfile = g_strdup ("");
  icecastsend->icy = FALSE;
  icecastsend->aim = g_strdup ("");
  icecastsend->icq = g_strdup ("");
  icecastsend->irc = g_strdup ("");
}

static void
gst_icecastsend_chain (GstPad * pad, GstData * _data)
{
  GstBuffer *buf = GST_BUFFER (_data);
  GstIcecastSend *icecastsend;
  glong ret;

  g_return_if_fail (pad != NULL);
  g_return_if_fail (GST_IS_PAD (pad));
  g_return_if_fail (buf != NULL);

  icecastsend = GST_ICECASTSEND (GST_OBJECT_PARENT (pad));

  g_return_if_fail (icecastsend != NULL);
  g_return_if_fail (GST_IS_ICECASTSEND (icecastsend));

  ret = shout_send_data (&icecastsend->conn, GST_BUFFER_DATA (buf),
      GST_BUFFER_SIZE (buf));
  if (!ret) {
    g_warning ("send error: %i...\n", icecastsend->conn.error);
  }

  shout_sleep (&icecastsend->conn);

  gst_buffer_unref (buf);
}

static void
gst_icecastsend_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstIcecastSend *icecastsend;

  g_return_if_fail (GST_IS_ICECASTSEND (object));
  icecastsend = GST_ICECASTSEND (object);

  switch (prop_id) {
    case ARG_IP:
      if (icecastsend->ip)
        g_free (icecastsend->ip);
      icecastsend->ip = g_strdup (g_value_get_string (value));
      break;
    case ARG_PORT:
      icecastsend->port = g_value_get_int (value);
      break;
    case ARG_PASSWORD:
      if (icecastsend->password)
        g_free (icecastsend->password);
      icecastsend->password = g_strdup (g_value_get_string (value));
      break;

    case ARG_PUBLIC:           /* is this stream public? */
      icecastsend->public = g_value_get_boolean (value);
      break;

    case ARG_NAME:             /* Name of the stream */
      if (icecastsend->name)
        g_free (icecastsend->name);
      icecastsend->name = g_strdup (g_value_get_string (value));
      break;

    case ARG_DESCRIPTION:      /* Description of the stream */
      if (icecastsend->description)
        g_free (icecastsend->description);
      icecastsend->description = g_strdup (g_value_get_string (value));
      break;

    case ARG_GENRE:            /* Genre of the stream */
      if (icecastsend->genre)
        g_free (icecastsend->genre);
      icecastsend->genre = g_strdup (g_value_get_string (value));
      break;

    case ARG_MOUNT:            /* mountpoint of stream (icecast only) */
      if (icecastsend->mount)
        g_free (icecastsend->mount);
      icecastsend->mount = g_strdup (g_value_get_string (value));
      break;

    case ARG_DUMPFILE:         /* Dumpfile on the server for this stream (icecast only) */
      if (icecastsend->dumpfile)
        g_free (icecastsend->dumpfile);
      icecastsend->dumpfile = g_strdup (g_value_get_string (value));
      break;


    case ARG_ICY:              /* use icy headers for login? (for use with shoutcast) */
      icecastsend->icy = g_value_get_boolean (value);
      break;

    case ARG_AIM:              /* AIM number (shoutcast only) */
      if (icecastsend->aim)
        g_free (icecastsend->aim);
      icecastsend->aim = g_strdup (g_value_get_string (value));
      break;

    case ARG_ICQ:              /* ICQ number (shoutcast only) */
      if (icecastsend->icq)
        g_free (icecastsend->icq);
      icecastsend->icq = g_strdup (g_value_get_string (value));
      break;

    case ARG_IRC:              /* IRC server (shoutcast only) */
      if (icecastsend->irc)
        g_free (icecastsend->irc);
      icecastsend->irc = g_strdup (g_value_get_string (value));
      break;

    default:
      break;
  }
}

static void
gst_icecastsend_get_property (GObject * object, guint prop_id, GValue * value,
    GParamSpec * pspec)
{
  GstIcecastSend *icecastsend;

  g_return_if_fail (GST_IS_ICECASTSEND (object));
  icecastsend = GST_ICECASTSEND (object);

  switch (prop_id) {
    case ARG_IP:
      g_value_set_string (value, icecastsend->ip);
      break;
    case ARG_PORT:
      g_value_set_int (value, icecastsend->port);
      break;
    case ARG_PASSWORD:
      g_value_set_string (value, icecastsend->password);
      break;
    case ARG_PUBLIC:           /* is this stream public? */
      g_value_set_boolean (value, icecastsend->public);
      break;

    case ARG_NAME:             /* Name of the stream */
      g_value_set_string (value, icecastsend->name);
      break;

    case ARG_DESCRIPTION:      /* Description of the stream */
      g_value_set_string (value, icecastsend->description);
      break;

    case ARG_GENRE:            /* Genre of the stream */
      g_value_set_string (value, icecastsend->genre);
      break;

    case ARG_MOUNT:            /* mountpoint of stream (icecast only) */
      g_value_set_string (value, icecastsend->mount);
      break;

    case ARG_DUMPFILE:         /* Dumpfile on the server for this stream (icecast only) */
      g_value_set_string (value, icecastsend->dumpfile);
      break;

    case ARG_ICY:              /* use icy headers for login? (for use with shoutcast) */
      g_value_set_boolean (value, icecastsend->icy);
      break;

    case ARG_AIM:              /* AIM number (shoutcast only) */
      g_value_set_string (value, icecastsend->aim);
      break;

    case ARG_ICQ:              /* ICQ number (shoutcast only) */
      g_value_set_string (value, icecastsend->icq);
      break;

    case ARG_IRC:              /* IRC server (shoutcast only) */
      g_value_set_string (value, icecastsend->irc);
      break;

    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}

static GstStateChangeReturn
gst_icecastsend_change_state (GstElement * element, GstStateChange transition)
{
  GstIcecastSend *icecastsend;

  g_return_val_if_fail (GST_IS_ICECASTSEND (element), GST_STATE_CHANGE_FAILURE);

  icecastsend = GST_ICECASTSEND (element);

  GST_DEBUG ("state pending %d", GST_STATE_PENDING (element));

  /* if going down into NULL state, close the file if it's open */
  switch (transition) {
    case GST_STATE_CHANGE_NULL_TO_READY:
      shout_init_connection (&icecastsend->conn);

      /* --- FIXME: shout requires an ip, and fails if it is given a host. */
      /* may want to put convert_to_ip(icecastsend->ip) here */
      icecastsend->conn.ip = icecastsend->ip;
      /* --- */

      icecastsend->conn.port = icecastsend->port;
      icecastsend->conn.password = icecastsend->password;
      icecastsend->conn.ispublic = icecastsend->public;
      icecastsend->conn.name = icecastsend->name;
      icecastsend->conn.description = icecastsend->description;
      icecastsend->conn.genre = icecastsend->genre;
      icecastsend->conn.mount = icecastsend->mount;
      icecastsend->conn.dumpfile = icecastsend->dumpfile;
      icecastsend->conn.icy_compat = icecastsend->icy;
      /* --- FIXME: libshout 1.0.5 doesn't have the two next fields */
      /* icecastsend->conn.aim = icecastsend->aim;
         icecastsend->conn.irc = icecastsend->irc; */

      if (shout_connect (&icecastsend->conn)) {
        g_print ("connected to server...\n");
      } else {
        g_warning ("couldn't connect to server... (%i: %s)\n",
            icecastsend->conn.error, SHOUT_ERRORS[icecastsend->conn.error]);
        shout_disconnect (&icecastsend->conn);
        return GST_STATE_CHANGE_FAILURE;
      }
      break;
    case GST_STATE_CHANGE_READY_TO_NULL:
      shout_disconnect (&icecastsend->conn);
      break;
    default:
      break;
  }

  /* if we haven't failed already, give the parent class a chance to ;-) */
  if (GST_ELEMENT_CLASS (parent_class)->change_state)
    return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);

  return GST_STATE_CHANGE_SUCCESS;
}

static gboolean
plugin_init (GstPlugin * plugin)
{
  return gst_element_register (plugin, "icecastsend",
      GST_RANK_NONE, GST_TYPE_ICECASTSEND);
}

GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
    GST_VERSION_MINOR,
    icecastsend,
    "Sends data to an icecast server using libshout",
    plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)