ext/shout2/gstshout2.c

   1 /* GStreamer
   2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23 #include "gstshout2.h"
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 /* elementfactory information */
  28 static GstElementDetails shout2send_details = {
  29   "An Icecast plugin",
  30   "Sink/Network",
  31   "Sends data to an icecast server",
  32   "Wim Taymans <wim.taymans@chello.be>\n"
  33   "Pedro Corte-Real <typo@netcabo.pt>"
  34 };
  35
  36 unsigned int audio_format = 100;
  37
  38 /* Shout2send signals and args */
  39 enum {
  40   /* FILL ME */
  41   LAST_SIGNAL
  42 };
  43
  44 enum {
  45   ARG_0,
  46   ARG_IP,          /* the ip of the server */
  47   ARG_PORT,        /* the encoder port number on the server */
  48   ARG_PASSWORD,    /* the encoder password on the server */
  49   ARG_PUBLIC,      /* is this stream public? */
  50   ARG_NAME,        /* Name of the stream */
  51   ARG_DESCRIPTION, /* Description of the stream */
  52   ARG_GENRE,       /* Genre of the stream */
  53
  54   ARG_PROTOCOL,    /* Protocol to connect with */
  55
  56   ARG_MOUNT,       /* mountpoint of stream (icecast only) */
  57   ARG_URL,         /* Url of stream (I'm guessing) */
  58 };
  59
  60 static GstPadTemplate*
  61 sink_template_factory (void)
  62 {
  63   static GstPadTemplate *template = NULL;
  64
  65   if (!template) {
  66     template = gst_pad_template_new (
  67       "sink",
  68       GST_PAD_SINK,
  69       GST_PAD_ALWAYS,
  70       gst_caps_new (
  71         "shout2send_sink",
  72         "application/ogg",
  73         NULL),
  74       gst_caps_new (
  75         "shout2send_sink",
  76         "audio/mpeg",
  77         gst_props_new (
  78           "layer", GST_PROPS_INT_RANGE (1, 3),
  79           NULL
  80         )),
  81       NULL);
  82   }
  83
  84   return template;
  85 }
  86
  87 static void                     gst_shout2send_class_init       (GstShout2sendClass *klass);
  88 static void                     gst_shout2send_base_init        (GstShout2sendClass *klass);
  89 static void                     gst_shout2send_init             (GstShout2send *shout2send);
  90
  91 static void                     gst_shout2send_chain            (GstPad *pad, GstData *_data);
  92 static GstPadLinkReturn      gst_shout2send_connect         (GstPad *pad, GstCaps *caps);
  93
  94 static void                     gst_shout2send_set_property             (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
  95 static void                     gst_shout2send_get_property             (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
  96
  97 static GstElementStateReturn    gst_shout2send_change_state     (GstElement *element);
  98
  99 static GstElementClass *parent_class = NULL;
 100 /*static guint gst_shout2send_signals[LAST_SIGNAL] = { 0 }; */
 101
 102 #define GST_TYPE_SHOUT_PROTOCOL (gst_shout2send_protocol_get_type())
 103 static GType
 104 gst_shout2send_protocol_get_type (void)
 105 {
 106   static GType shout2send_protocol_type = 0;
 107   static GEnumValue shout2send_protocol[] = {
 108     { SHOUT2SEND_PROTOCOL_ICE,        "1", "Ice Protocol"},
 109     { SHOUT2SEND_PROTOCOL_XAUDIOCAST, "2", "Xaudiocast Protocol (icecast 1.3.x)"},
 110     { SHOUT2SEND_PROTOCOL_ICY,        "3", "Icy Protocol (ShoutCast)"},
 111     { SHOUT2SEND_PROTOCOL_HTTP,       "4", "Http Protocol (icecast 2.x)"},
 112     {0, NULL, NULL},
 113   };
 114   if (!shout2send_protocol_type) {
 115     shout2send_protocol_type = g_enum_register_static ("GstShout2SendProtocol", shout2send_protocol);
 116   }
 117   return shout2send_protocol_type;
 118 }
 119
 120 GType
 121 gst_shout2send_get_type(void)
 122 {
 123   static GType shout2send_type = 0;
 124
 125   if (!shout2send_type) {
 126     static const GTypeInfo shout2send_info = {
 127       sizeof(GstShout2sendClass),
 128       (GBaseInitFunc)gst_shout2send_base_init,
 129       NULL,
 130       (GClassInitFunc)gst_shout2send_class_init,
 131       NULL,
 132       NULL,
 133       sizeof(GstShout2send),
 134       0,
 135       (GInstanceInitFunc)gst_shout2send_init,
 136     };
 137     shout2send_type = g_type_register_static(GST_TYPE_ELEMENT, "GstShout2send", &shout2send_info, 0);
 138   }
 139   return shout2send_type;
 140 }
 141
 142 static void
 143 gst_shout2send_base_init (GstShout2sendClass *klass)
 144 {
 145   GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
 146
 147   gst_element_class_add_pad_template (element_class, sink_template_factory());
 148   gst_element_class_set_details (element_class, &shout2send_details);
 149 }
 150
 151 static void
 152 gst_shout2send_class_init (GstShout2sendClass *klass)
 153 {
 154   GObjectClass *gobject_class;
 155   GstElementClass *gstelement_class;
 156
 157   gobject_class = (GObjectClass*)klass;
 158   gstelement_class = (GstElementClass*)klass;
 159
 160   parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
 161
 162   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_IP,
 163     g_param_spec_string("ip","ip","ip",
 164                         NULL, G_PARAM_READWRITE)); /* CHECKME */
 165   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PORT,
 166     g_param_spec_int("port","port","port",
 167                      1,G_MAXUSHORT,8000,G_PARAM_READWRITE)); /* CHECKME */
 168
 169   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PASSWORD,
 170     g_param_spec_string("password","password","password",
 171                         NULL, G_PARAM_READWRITE)); /* CHECKME */
 172
 173   /* metadata */
 174   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_NAME,
 175     g_param_spec_string("name","name","name",
 176                         NULL, G_PARAM_READWRITE)); /* CHECKME */
 177
 178   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DESCRIPTION,
 179     g_param_spec_string("description","description","description",
 180                         NULL, G_PARAM_READWRITE)); /* CHECKME */
 181
 182   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_GENRE,
 183     g_param_spec_string("genre","genre","genre",
 184                         NULL, G_PARAM_READWRITE)); /* CHECKME */
 185
 186   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PROTOCOL,
 187     g_param_spec_enum ("protocol", "protocol", "Connection Protocol to use",
 188                        GST_TYPE_SHOUT_PROTOCOL, SHOUT2SEND_PROTOCOL_HTTP, G_PARAM_READWRITE));
 189
 190
 191   /* icecast only */
 192   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MOUNT,
 193     g_param_spec_string("mount","mount","mount",
 194                         NULL, G_PARAM_READWRITE)); /* CHECKME */
 195
 196   g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_URL,
 197     g_param_spec_string("url","url","url",
 198                         NULL, G_PARAM_READWRITE)); /* CHECKME */
 199
 200
 201
 202   gobject_class->set_property = gst_shout2send_set_property;
 203   gobject_class->get_property = gst_shout2send_get_property;
 204
 205   gstelement_class->change_state = gst_shout2send_change_state;
 206 }
 207
 208 static void
 209 gst_shout2send_init (GstShout2send *shout2send)
 210 {
 211   shout2send->sinkpad = gst_pad_new_from_template (sink_template_factory (), "sink");
 212   gst_element_add_pad(GST_ELEMENT(shout2send),shout2send->sinkpad);
 213   gst_pad_set_chain_function(shout2send->sinkpad,gst_shout2send_chain);
 214
 215   gst_pad_set_link_function (shout2send->sinkpad, gst_shout2send_connect);
 216
 217   shout2send->ip = g_strdup ("127.0.0.1");
 218   shout2send->port = 8000;
 219   shout2send->password = g_strdup ("hackme");
 220   shout2send->name = g_strdup ("");
 221   shout2send->description = g_strdup ("");
 222   shout2send->genre = g_strdup ("");
 223   shout2send->mount = g_strdup ("");
 224   shout2send->url = g_strdup ("");
 225   shout2send->protocol = SHOUT2SEND_PROTOCOL_HTTP;
 226 }
 227
 228 static void
 229 gst_shout2send_chain (GstPad *pad, GstData *_data)
 230 {
 231   GstBuffer *buf = GST_BUFFER (_data);
 232   GstShout2send *shout2send;
 233   glong ret;
 234
 235   g_return_if_fail(pad != NULL);
 236   g_return_if_fail(GST_IS_PAD(pad));
 237   g_return_if_fail(buf != NULL);
 238
 239   shout2send = GST_SHOUT2SEND (GST_OBJECT_PARENT (pad));
 240
 241   g_return_if_fail (shout2send != NULL);
 242   g_return_if_fail (GST_IS_SHOUT2SEND (shout2send));
 243
 244   ret = shout_send (shout2send->conn, GST_BUFFER_DATA (buf),
 245                                              GST_BUFFER_SIZE (buf));
 246   if (ret != SHOUTERR_SUCCESS) {
 247     g_warning ("send error: %s...\n", shout_get_error(shout2send->conn));
 248   }
 249
 250   shout_sync (shout2send->conn);
 251
 252   gst_buffer_unref (buf);
 253 }
 254
 255 static void
 256 gst_shout2send_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
 257 {
 258   GstShout2send *shout2send;
 259
 260   /* it's not null if we got it, but it might not be ours */
 261   g_return_if_fail(GST_IS_SHOUT2SEND(object));
 262   shout2send = GST_SHOUT2SEND(object);
 263
 264   switch (prop_id) {
 265
 266   case ARG_IP:
 267     if (shout2send->ip)
 268       g_free (shout2send->ip);
 269     shout2send->ip = g_strdup (g_value_get_string (value));
 270     break;
 271
 272   case ARG_PORT:
 273     shout2send->port = g_value_get_int (value);
 274     break;
 275
 276   case ARG_PASSWORD:
 277     if (shout2send->password)
 278       g_free (shout2send->password);
 279     shout2send->password = g_strdup (g_value_get_string (value));
 280     break;
 281
 282   case ARG_NAME:         /* Name of the stream */
 283     if (shout2send->name)
 284       g_free (shout2send->name);
 285     shout2send->name = g_strdup (g_value_get_string (value));
 286     break;
 287
 288   case ARG_DESCRIPTION: /* Description of the stream */
 289     if (shout2send->description)
 290       g_free (shout2send->description);
 291     shout2send->description = g_strdup (g_value_get_string (value));
 292     break;
 293
 294   case ARG_GENRE:       /* Genre of the stream */
 295     if (shout2send->genre)
 296       g_free (shout2send->genre);
 297     shout2send->genre = g_strdup (g_value_get_string (value));
 298     break;
 299
 300   case ARG_PROTOCOL:       /* protocol to connect with */
 301     shout2send->protocol = g_value_get_enum (value);
 302     break;
 303
 304   case ARG_MOUNT:       /* mountpoint of stream (icecast only) */
 305     if (shout2send->mount)
 306       g_free (shout2send->mount);
 307     shout2send->mount = g_strdup (g_value_get_string (value));
 308     break;
 309
 310   case ARG_URL:       /* Url of the stream (I'm guessing) */
 311     if (shout2send->url)
 312       g_free (shout2send->url);
 313     shout2send->url = g_strdup (g_value_get_string (value));
 314     break;
 315
 316   default:
 317     break;
 318   }
 319 }
 320
 321 static void
 322 gst_shout2send_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
 323 {
 324   GstShout2send *shout2send;
 325
 326   /* it's not null if we got it, but it might not be ours */
 327   g_return_if_fail(GST_IS_SHOUT2SEND(object));
 328   shout2send = GST_SHOUT2SEND(object);
 329
 330   switch (prop_id) {
 331
 332   case ARG_IP:
 333     g_value_set_string (value, shout2send->ip);
 334     break;
 335   case ARG_PORT:
 336     g_value_set_int (value, shout2send->port);
 337     break;
 338   case ARG_PASSWORD:
 339     g_value_set_string (value, shout2send->password);
 340     break;
 341
 342   case ARG_NAME:         /* Name of the stream */
 343     g_value_set_string (value, shout2send->name);
 344     break;
 345
 346   case ARG_DESCRIPTION: /* Description of the stream */
 347     g_value_set_string (value, shout2send->description);
 348     break;
 349
 350   case ARG_GENRE:       /* Genre of the stream */
 351     g_value_set_string (value, shout2send->genre);
 352     break;
 353
 354   case ARG_PROTOCOL:       /* protocol to connect with */
 355     g_value_set_enum (value, shout2send->protocol);
 356     break;
 357
 358   case ARG_MOUNT:       /* mountpoint of stream (icecast only) */
 359     g_value_set_string (value, shout2send->mount);
 360     break;
 361
 362   case ARG_URL:       /* Url of stream (I'm guessing) */
 363     g_value_set_string (value, shout2send->url);
 364     break;
 365
 366
 367   default:
 368     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 369     break;
 370   }
 371 }
 372
 373 static GstPadLinkReturn
 374 gst_shout2send_connect (GstPad *pad, GstCaps *caps)
 375
 376 {
 377
 378   if (!strcmp(gst_caps_get_mime (caps), "audio/mpeg"))
 379     {
 380       audio_format = SHOUT_FORMAT_MP3;
 381       return GST_PAD_LINK_OK;
 382     }
 383
 384   if (!strcmp(gst_caps_get_mime (caps), "application/ogg"))
 385     {
 386       audio_format = SHOUT_FORMAT_VORBIS;
 387       return GST_PAD_LINK_OK;
 388     }
 389   else {
 390     return GST_PAD_LINK_REFUSED;
 391   }
 392
 393 }
 394
 395 static GstElementStateReturn
 396 gst_shout2send_change_state (GstElement *element)
 397 {
 398   GstShout2send *shout2send;
 399
 400   guint major, minor, micro;
 401   gshort proto = 3;
 402
 403   gchar *version_string;
 404
 405   g_return_val_if_fail (GST_IS_SHOUT2SEND (element), GST_STATE_FAILURE);
 406
 407   shout2send = GST_SHOUT2SEND(element);
 408
 409   GST_DEBUG ("state pending %d", GST_STATE_PENDING (element));
 410
 411   /* if going down into NULL state, close the file if it's open */
 412   switch (GST_STATE_TRANSITION (element)) {
 413    case GST_STATE_NULL_TO_READY:
 414      shout2send->conn = shout_new();
 415
 416      switch (shout2send->protocol) {
 417      case SHOUT2SEND_PROTOCOL_ICE:
 418        proto = SHOUT_PROTOCOL_ICE;
 419        break;
 420      case SHOUT2SEND_PROTOCOL_XAUDIOCAST:
 421        proto = SHOUT_PROTOCOL_XAUDIOCAST;
 422        break;
 423      case SHOUT2SEND_PROTOCOL_ICY:
 424        proto = SHOUT_PROTOCOL_ICY;
 425        break;
 426      case SHOUT2SEND_PROTOCOL_HTTP:
 427        proto = SHOUT_PROTOCOL_HTTP;
 428        break;
 429      }
 430
 431      if (shout_set_protocol(shout2send->conn, proto) != SHOUTERR_SUCCESS)
 432        {
 433          g_error ("Error setting protocol: %s\n", shout_get_error(shout2send->conn));
 434        }
 435
 436      /* --- FIXME: shout requires an ip, and fails if it is given a host. */
 437      /* may want to put convert_to_ip(shout2send->ip) here */
 438
 439
 440      if (shout_set_host(shout2send->conn, shout2send->ip) != SHOUTERR_SUCCESS)
 441        {
 442          g_error ("Error setting host: %s\n", shout_get_error(shout2send->conn));
 443        }
 444      /* --- */
 445
 446      if (shout_set_port(shout2send->conn, shout2send->port) != SHOUTERR_SUCCESS)
 447        {
 448          g_error ("Error setting port: %s\n", shout_get_error(shout2send->conn));
 449        }
 450
 451      if(shout_set_password(shout2send->conn, shout2send->password) != SHOUTERR_SUCCESS)
 452        {
 453          g_error ("Error setting password: %s\n", shout_get_error(shout2send->conn));
 454        }
 455
 456      if (shout_set_name(shout2send->conn, shout2send->name) != SHOUTERR_SUCCESS)
 457        {
 458          g_error ("Error setting name: %s\n", shout_get_error(shout2send->conn));
 459        }
 460
 461      if (shout_set_description(shout2send->conn, shout2send->description) != SHOUTERR_SUCCESS)
 462        {
 463          g_error ("Error setting name: %s\n", shout_get_error(shout2send->conn));
 464        }
 465
 466      if (shout_set_genre(shout2send->conn, shout2send->genre) != SHOUTERR_SUCCESS)
 467        {
 468          g_error ("Error setting name: %s\n", shout_get_error(shout2send->conn));
 469        }
 470
 471      if (shout_set_mount(shout2send->conn, shout2send->mount) != SHOUTERR_SUCCESS)
 472        {
 473          g_error ("Error setting mount point: %s\n", shout_get_error(shout2send->conn));
 474        }
 475
 476      if (shout_set_user(shout2send->conn, "source") != SHOUTERR_SUCCESS)
 477        {
 478          g_error ("Error setting user: %s\n", shout_get_error(shout2send->conn));
 479        }
 480
 481      gst_version(&major,&minor,&micro);
 482
 483      version_string = g_strdup_printf("GStreamer %d.%d.%d", major,minor,micro);
 484
 485      if (shout_set_agent(shout2send->conn, version_string) != SHOUTERR_SUCCESS)
 486        {
 487          g_error ("Error setting agent: %s\n", shout_get_error(shout2send->conn));
 488        }
 489
 490      g_free (version_string);
 491
 492
 493
 494      break;
 495   case GST_STATE_READY_TO_PAUSED:
 496
 497     /* This sets the format acording to the capabilities of what
 498        we are being given as input. */
 499
 500     if (shout_set_format(shout2send->conn, audio_format) != SHOUTERR_SUCCESS)
 501        {
 502          g_error ("Error setting connection format: %s\n", shout_get_error(shout2send->conn));
 503        }
 504
 505     if (shout_open (shout2send->conn) == SHOUTERR_SUCCESS) {
 506       g_print ("connected to server...\n");
 507     }
 508     else {
 509       g_warning ("Couldn't connect to server: %s", shout_get_error(shout2send->conn));
 510       shout_close (shout2send->conn);
 511       shout_free (shout2send->conn);
 512       return GST_STATE_FAILURE;
 513     }
 514     break;
 515   case GST_STATE_PAUSED_TO_READY:
 516     shout_close (shout2send->conn);
 517     shout_free (shout2send->conn);
 518     break;
 519   default:
 520     break;
 521   }
 522
 523   /* if we haven't failed already, give the parent class a chance to ;-) */
 524   if (GST_ELEMENT_CLASS (parent_class)->change_state)
 525     return GST_ELEMENT_CLASS (parent_class)->change_state (element);
 526
 527   return GST_STATE_SUCCESS;
 528 }
 529
 530 static gboolean
 531 plugin_init (GstPlugin *plugin)
 532 {
 533   return gst_element_register (plugin, "shout2send", GST_RANK_NONE,
 534                                GST_TYPE_SHOUT2SEND);
 535 }
 536
 537 GST_PLUGIN_DEFINE (
 538   GST_VERSION_MAJOR,
 539   GST_VERSION_MINOR,
 540   "shout2send",
 541   "Sends data to an icecast server using libshout2",
 542   plugin_init,
 543   VERSION,
 544   "LGPL",
 545   "libshout2",
 546   "http://www.icecast.org/download.html"
 547 )