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gstreamer/ext/shout2/gstshout2.c
George Kiagiadakis b26d44501c shout2send: use non-blocking I/O and a configurable network operations timeout 
This allows timing out on network errors much earlier
(currently it takes ~15min to timeout) and we can still
unlock and change state in the meantime.

https://bugzilla.gnome.org/show_bug.cgi?id=571722
2017-05-21 16:30:04 +03:00

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2006> Tim-Philipp Müller <tim centricular net>
* Copyright (C) <2012> Ralph Giles <giles@mozilla.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-shout2send
*
* shout2send pushes a media stream to an Icecast server
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch-1.0 uridecodebin uri=file:///path/to/audiofile ! audioconvert ! vorbisenc ! oggmux ! shout2send mount=/stream.ogg port=8000 username=source password=somepassword ip=server_IP_address_or_hostname
* ]| This pipeline demuxes, decodes, re-encodes and re-muxes an audio
* media file into oggvorbis and sends the resulting stream to an Icecast
* server. Properties mount, port, username and password are all server-config
* dependent.
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstshout2.h"
#include <stdlib.h>
#include <string.h>
#include "gst/gst-i18n-plugin.h"
GST_DEBUG_CATEGORY_STATIC (shout2_debug);
#define GST_CAT_DEFAULT shout2_debug
enum
{
SIGNAL_CONNECTION_PROBLEM, /* FIXME 2.0: remove this */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_IP, /* the IP address or hostname of the server */
ARG_PORT, /* the encoder port number on the server */
ARG_PASSWORD, /* the encoder password on the server */
ARG_USERNAME, /* the encoder username on the server */
ARG_PUBLIC, /* is this stream public? */
ARG_STREAMNAME, /* Name of the stream */
ARG_DESCRIPTION, /* Description of the stream */
ARG_GENRE, /* Genre of the stream */
ARG_PROTOCOL, /* Protocol to connect with */
ARG_MOUNT, /* mountpoint of stream (icecast only) */
ARG_URL, /* the stream's homepage URL */
ARG_TIMEOUT /* The max amount of time to wait for
network activity */
};
#define DEFAULT_IP "127.0.0.1"
#define DEFAULT_PORT 8000
#define DEFAULT_PASSWORD "hackme"
#define DEFAULT_USERNAME "source"
#define DEFAULT_PUBLIC FALSE
#define DEFAULT_STREAMNAME ""
#define DEFAULT_DESCRIPTION ""
#define DEFAULT_GENRE ""
#define DEFAULT_MOUNT ""
#define DEFAULT_URL ""
#define DEFAULT_PROTOCOL SHOUT2SEND_PROTOCOL_HTTP
#define DEFAULT_TIMEOUT 10000
#ifdef SHOUT_FORMAT_WEBM
#define WEBM_CAPS "; video/webm; audio/webm"
#else
#define WEBM_CAPS ""
#endif
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/ogg; audio/ogg; video/ogg; "
"audio/mpeg, mpegversion = (int) 1, layer = (int) [ 1, 3 ]" WEBM_CAPS));
static void gst_shout2send_finalize (GstShout2send * shout2send);
static gboolean gst_shout2send_event (GstBaseSink * sink, GstEvent * event);
static gboolean gst_shout2send_unlock (GstBaseSink * basesink);
static gboolean gst_shout2send_unlock_stop (GstBaseSink * basesink);
static GstFlowReturn gst_shout2send_render (GstBaseSink * sink,
GstBuffer * buffer);
static gboolean gst_shout2send_start (GstBaseSink * basesink);
static gboolean gst_shout2send_stop (GstBaseSink * basesink);
static void gst_shout2send_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_shout2send_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_shout2send_setcaps (GstBaseSink * basesink, GstCaps * caps);
static guint gst_shout2send_signals[LAST_SIGNAL] = { 0 };
#define GST_TYPE_SHOUT_PROTOCOL (gst_shout2send_protocol_get_type())
static GType
gst_shout2send_protocol_get_type (void)
{
static GType shout2send_protocol_type = 0;
static const GEnumValue shout2send_protocol[] = {
{SHOUT2SEND_PROTOCOL_XAUDIOCAST,
"Xaudiocast Protocol (icecast 1.3.x)", "xaudiocast"},
{SHOUT2SEND_PROTOCOL_ICY, "Icy Protocol (ShoutCast)", "icy"},
{SHOUT2SEND_PROTOCOL_HTTP, "Http Protocol (icecast 2.x)", "http"},
{0, NULL, NULL},
};
if (!shout2send_protocol_type) {
shout2send_protocol_type =
g_enum_register_static ("GstShout2SendProtocol", shout2send_protocol);
}
return shout2send_protocol_type;
}
#define gst_shout2send_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstShout2send, gst_shout2send, GST_TYPE_BASE_SINK,
G_IMPLEMENT_INTERFACE (GST_TYPE_TAG_SETTER, NULL));
static void
gst_shout2send_class_init (GstShout2sendClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSinkClass *gstbasesink_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesink_class = (GstBaseSinkClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->set_property = gst_shout2send_set_property;
gobject_class->get_property = gst_shout2send_get_property;
gobject_class->finalize = (GObjectFinalizeFunc) gst_shout2send_finalize;
/* FIXME: 2.0 Should probably change this prop name to "server" */
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_IP,
g_param_spec_string ("ip", "ip", "IP address or hostname", DEFAULT_IP,
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", 1, G_MAXUSHORT, DEFAULT_PORT,
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", DEFAULT_PASSWORD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_USERNAME,
g_param_spec_string ("username", "username", "username", DEFAULT_USERNAME,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* metadata */
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PUBLIC,
g_param_spec_boolean ("public", "public",
"If the stream should be listed on the server's stream directory",
DEFAULT_PUBLIC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_STREAMNAME,
g_param_spec_string ("streamname", "streamname", "name of the stream",
DEFAULT_STREAMNAME, 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",
DEFAULT_DESCRIPTION, 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", DEFAULT_GENRE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PROTOCOL,
g_param_spec_enum ("protocol", "protocol", "Connection Protocol to use",
GST_TYPE_SHOUT_PROTOCOL, DEFAULT_PROTOCOL,
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", DEFAULT_MOUNT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_URL,
g_param_spec_string ("url", "url", "the stream's homepage URL",
DEFAULT_URL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TIMEOUT,
g_param_spec_uint ("timeout", "timeout",
"Max amount of time to wait for network activity, in milliseconds",
1, G_MAXUINT, DEFAULT_TIMEOUT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* signals */
gst_shout2send_signals[SIGNAL_CONNECTION_PROBLEM] =
g_signal_new ("connection-problem", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_CLEANUP, G_STRUCT_OFFSET (GstShout2sendClass,
connection_problem), NULL, NULL, g_cclosure_marshal_VOID__INT,
G_TYPE_NONE, 1, G_TYPE_INT);
gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_shout2send_start);
gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_shout2send_stop);
gstbasesink_class->unlock = GST_DEBUG_FUNCPTR (gst_shout2send_unlock);
gstbasesink_class->unlock_stop =
GST_DEBUG_FUNCPTR (gst_shout2send_unlock_stop);
gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_shout2send_render);
gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_shout2send_event);
gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_shout2send_setcaps);
gst_element_class_add_static_pad_template (gstelement_class, &sink_template);
gst_element_class_set_static_metadata (gstelement_class,
"Icecast network sink",
"Sink/Network", "Sends data to an icecast server",
"Wim Taymans <wim.taymans@chello.be>, "
"Pedro Corte-Real <typo@netcabo.pt>, "
"Zaheer Abbas Merali <zaheerabbas at merali dot org>");
GST_DEBUG_CATEGORY_INIT (shout2_debug, "shout2", 0, "shout2send element");
}
static void
gst_shout2send_init (GstShout2send * shout2send)
{
gst_base_sink_set_sync (GST_BASE_SINK (shout2send), FALSE);
shout2send->timer = gst_poll_new (TRUE);
shout2send->ip = g_strdup (DEFAULT_IP);
shout2send->port = DEFAULT_PORT;
shout2send->password = g_strdup (DEFAULT_PASSWORD);
shout2send->username = g_strdup (DEFAULT_USERNAME);
shout2send->streamname = g_strdup (DEFAULT_STREAMNAME);
shout2send->description = g_strdup (DEFAULT_DESCRIPTION);
shout2send->genre = g_strdup (DEFAULT_GENRE);
shout2send->mount = g_strdup (DEFAULT_MOUNT);
shout2send->url = g_strdup (DEFAULT_URL);
shout2send->protocol = DEFAULT_PROTOCOL;
shout2send->ispublic = DEFAULT_PUBLIC;
shout2send->timeout = DEFAULT_TIMEOUT;
shout2send->format = -1;
shout2send->tags = gst_tag_list_new_empty ();
shout2send->conn = NULL;
shout2send->connected = FALSE;
shout2send->songmetadata = NULL;
shout2send->songartist = NULL;
shout2send->songtitle = NULL;
}
static void
gst_shout2send_finalize (GstShout2send * shout2send)
{
g_free (shout2send->ip);
g_free (shout2send->password);
g_free (shout2send->username);
g_free (shout2send->streamname);
g_free (shout2send->description);
g_free (shout2send->genre);
g_free (shout2send->mount);
g_free (shout2send->url);
gst_tag_list_unref (shout2send->tags);
gst_poll_free (shout2send->timer);
G_OBJECT_CLASS (parent_class)->finalize ((GObject *) (shout2send));
}
static void
set_shout_metadata (const GstTagList * list, const gchar * tag,
gpointer user_data)
{
GstShout2send *shout2send = (GstShout2send *) user_data;
char **shout_metadata = &(shout2send->songmetadata);
char **song_artist = &(shout2send->songartist);
char **song_title = &(shout2send->songtitle);
gchar *value;
GST_DEBUG ("tag: %s being added", tag);
if (strcmp (tag, GST_TAG_ARTIST) == 0) {
if (gst_tag_get_type (tag) == G_TYPE_STRING) {
if (!gst_tag_list_get_string (list, tag, &value)) {
GST_DEBUG ("Error reading \"%s\" tag value", tag);
return;
}
if (*song_artist != NULL)
g_free (*song_artist);
*song_artist = g_strdup (value);
}
} else if (strcmp (tag, GST_TAG_TITLE) == 0) {
if (gst_tag_get_type (tag) == G_TYPE_STRING) {
if (!gst_tag_list_get_string (list, tag, &value)) {
GST_DEBUG ("Error reading \"%s\" tag value", tag);
return;
}
if (*song_title != NULL)
g_free (*song_title);
*song_title = g_strdup (value);
}
}
if (*shout_metadata != NULL)
g_free (*shout_metadata);
if (*song_title && *song_artist) {
*shout_metadata = g_strdup_printf ("%s - %s", *song_artist, *song_title);
} else if (*song_title && *song_artist == NULL) {
*shout_metadata = g_strdup_printf ("Unknown - %s", *song_title);
} else if (*song_title == NULL && *song_artist) {
*shout_metadata = g_strdup_printf ("%s - Unknown", *song_artist);
} else {
*shout_metadata = g_strdup_printf ("Unknown - Unknown");
}
GST_LOG ("shout metadata is now: %s", *shout_metadata);
}
#if 0
static void
gst_shout2send_set_metadata (GstShout2send * shout2send)
{
const GstTagList *user_tags;
GstTagList *copy;
char *tempmetadata;
shout_metadata_t *pmetadata;
g_return_if_fail (shout2send != NULL);
user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (shout2send));
if ((shout2send->tags == NULL) && (user_tags == NULL)) {
return;
}
copy = gst_tag_list_merge (user_tags, shout2send->tags,
gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (shout2send)));
/* lets get the artist and song tags */
tempmetadata = NULL;
gst_tag_list_foreach ((GstTagList *) copy, set_shout_metadata,
(gpointer) & tempmetadata);
if (tempmetadata) {
pmetadata = shout_metadata_new ();
shout_metadata_add (pmetadata, "song", tempmetadata);
shout_set_metadata (shout2send->conn, pmetadata);
shout_metadata_free (pmetadata);
}
gst_tag_list_unref (copy);
}
#endif
static gboolean
gst_shout2send_event (GstBaseSink * sink, GstEvent * event)
{
GstShout2send *shout2send;
gboolean ret = TRUE;
shout2send = GST_SHOUT2SEND (sink);
GST_LOG_OBJECT (shout2send, "got %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_TAG:{
/* vorbis audio doesn't need metadata setting on the icecast level, only mp3 */
if (shout2send->tags && shout2send->format == SHOUT_FORMAT_MP3) {
GstTagList *list;
gst_event_parse_tag (event, &list);
GST_DEBUG_OBJECT (shout2send, "tags=%" GST_PTR_FORMAT, list);
gst_tag_list_insert (shout2send->tags,
list,
gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (shout2send)));
/* lets get the artist and song tags */
gst_tag_list_foreach ((GstTagList *) list,
set_shout_metadata, shout2send);
if (shout2send->songmetadata && shout2send->connected) {
shout_metadata_t *pmetadata;
GST_DEBUG_OBJECT (shout2send, "metadata now: %s",
shout2send->songmetadata);
pmetadata = shout_metadata_new ();
shout_metadata_add (pmetadata, "song", shout2send->songmetadata);
shout_set_metadata (shout2send->conn, pmetadata);
shout_metadata_free (pmetadata);
}
}
break;
}
default:{
GST_LOG_OBJECT (shout2send, "let base class handle event");
if (GST_BASE_SINK_CLASS (parent_class)->event) {
event = gst_event_ref (event);
ret = GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
}
break;
}
}
return ret;
}
static gboolean
gst_shout2send_start (GstBaseSink * basesink)
{
GstShout2send *sink = GST_SHOUT2SEND (basesink);
const gchar *cur_prop;
gshort proto = 3;
gchar *version_string;
GST_DEBUG_OBJECT (sink, "starting");
sink->conn = shout_new ();
switch (sink->protocol) {
case SHOUT2SEND_PROTOCOL_XAUDIOCAST:
proto = SHOUT_PROTOCOL_XAUDIOCAST;
break;
case SHOUT2SEND_PROTOCOL_ICY:
proto = SHOUT_PROTOCOL_ICY;
break;
case SHOUT2SEND_PROTOCOL_HTTP:
proto = SHOUT_PROTOCOL_HTTP;
break;
}
cur_prop = "protocol";
GST_DEBUG_OBJECT (sink, "setting protocol: %d", sink->protocol);
if (shout_set_protocol (sink->conn, proto) != SHOUTERR_SUCCESS)
goto set_failed;
cur_prop = "ip";
GST_DEBUG_OBJECT (sink, "setting IP/hostname: %s", sink->ip);
if (shout_set_host (sink->conn, sink->ip) != SHOUTERR_SUCCESS)
goto set_failed;
cur_prop = "port";
GST_DEBUG_OBJECT (sink, "setting port: %u", sink->port);
if (shout_set_port (sink->conn, sink->port) != SHOUTERR_SUCCESS)
goto set_failed;
cur_prop = "password";
GST_DEBUG_OBJECT (sink, "setting password: %s", sink->password);
if (shout_set_password (sink->conn, sink->password) != SHOUTERR_SUCCESS)
goto set_failed;
cur_prop = "public";
GST_DEBUG_OBJECT (sink, "setting %s: %u", cur_prop, sink->ispublic);
if (shout_set_public (sink->conn,
(sink->ispublic ? 1 : 0)) != SHOUTERR_SUCCESS)
goto set_failed;
cur_prop = "streamname";
GST_DEBUG_OBJECT (sink, "setting %s: %s", cur_prop, sink->streamname);
if (shout_set_name (sink->conn, sink->streamname) != SHOUTERR_SUCCESS)
goto set_failed;
cur_prop = "description";
GST_DEBUG_OBJECT (sink, "setting %s: %s", cur_prop, sink->description);
if (shout_set_description (sink->conn, sink->description) != SHOUTERR_SUCCESS)
goto set_failed;
cur_prop = "genre";
GST_DEBUG_OBJECT (sink, "setting %s: %s", cur_prop, sink->genre);
if (shout_set_genre (sink->conn, sink->genre) != SHOUTERR_SUCCESS)
goto set_failed;
cur_prop = "mount";
GST_DEBUG_OBJECT (sink, "setting %s: %s", cur_prop, sink->mount);
if (shout_set_mount (sink->conn, sink->mount) != SHOUTERR_SUCCESS)
goto set_failed;
cur_prop = "username";
GST_DEBUG_OBJECT (sink, "setting %s: %s", cur_prop, "source");
if (shout_set_user (sink->conn, sink->username) != SHOUTERR_SUCCESS)
goto set_failed;
version_string = gst_version_string ();
cur_prop = "agent";
GST_DEBUG_OBJECT (sink, "setting %s: %s", cur_prop, version_string);
if (shout_set_agent (sink->conn, version_string) != SHOUTERR_SUCCESS) {
g_free (version_string);
goto set_failed;
}
g_free (version_string);
return TRUE;
/* ERROR */
set_failed:
{
GST_ELEMENT_ERROR (sink, LIBRARY, SETTINGS, (NULL),
("Error setting %s: %s", cur_prop, shout_get_error (sink->conn)));
return FALSE;
}
}
static GstFlowReturn
gst_shout2send_connect (GstShout2send * sink)
{
GstFlowReturn fret = GST_FLOW_OK;
gint ret;
GstClockTime start_ts;
GST_DEBUG_OBJECT (sink, "Connection format is: %d", sink->format);
if (sink->format == -1)
goto no_caps;
if (shout_set_nonblocking (sink->conn, 1) != SHOUTERR_SUCCESS)
goto could_not_set_nonblocking;
if (shout_set_format (sink->conn, sink->format) != SHOUTERR_SUCCESS)
goto could_not_set_format;
GST_DEBUG_OBJECT (sink, "connecting");
start_ts = gst_util_get_timestamp ();
ret = shout_open (sink->conn);
/* wait for connection or timeout */
while (ret == SHOUTERR_BUSY) {
if (gst_util_get_timestamp () - start_ts > sink->timeout * GST_MSECOND) {
goto connection_timeout;
}
if (gst_poll_wait (sink->timer, 10 * GST_MSECOND) == -1) {
GST_LOG_OBJECT (sink, "unlocked");
fret = gst_base_sink_wait_preroll (GST_BASE_SINK (sink));
if (fret != GST_FLOW_OK)
goto done;
}
ret = shout_get_connected (sink->conn);
}
if (ret != SHOUTERR_CONNECTED && ret != SHOUTERR_SUCCESS)
goto could_not_connect;
GST_DEBUG_OBJECT (sink, "connected to server");
sink->connected = TRUE;
/* initialize sending rate monitoring */
sink->prev_queuelen = 0;
sink->data_sent = 0;
sink->stalled = TRUE;
sink->datasent_reset_ts = sink->stalled_ts = gst_util_get_timestamp ();
/* let's set metadata */
if (sink->songmetadata) {
shout_metadata_t *pmetadata;
GST_DEBUG_OBJECT (sink, "shout metadata now: %s", sink->songmetadata);
pmetadata = shout_metadata_new ();
shout_metadata_add (pmetadata, "song", sink->songmetadata);
shout_set_metadata (sink->conn, pmetadata);
shout_metadata_free (pmetadata);
}
done:
return fret;
/* ERRORS */
no_caps:
{
GST_ELEMENT_ERROR (sink, CORE, NEGOTIATION, (NULL),
("No input caps received."));
return GST_FLOW_NOT_NEGOTIATED;
}
could_not_set_nonblocking:
{
GST_ELEMENT_ERROR (sink, LIBRARY, SETTINGS, (NULL),
("Error configuring libshout to use non-blocking i/o: %s",
shout_get_error (sink->conn)));
return GST_FLOW_ERROR;
}
could_not_set_format:
{
GST_ELEMENT_ERROR (sink, LIBRARY, SETTINGS, (NULL),
("Error setting connection format: %s", shout_get_error (sink->conn)));
return GST_FLOW_ERROR;
}
could_not_connect:
{
GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE,
(_("Could not connect to server")),
("shout_open() failed: err=%s", shout_get_error (sink->conn)));
g_signal_emit (sink, gst_shout2send_signals[SIGNAL_CONNECTION_PROBLEM], 0,
shout_get_errno (sink->conn));
return GST_FLOW_ERROR;
}
connection_timeout:
{
GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE,
(_("Could not connect to server")), ("connection timed out"));
g_signal_emit (sink, gst_shout2send_signals[SIGNAL_CONNECTION_PROBLEM], 0,
shout_get_errno (sink->conn));
return GST_FLOW_ERROR;
}
}
static gboolean
gst_shout2send_stop (GstBaseSink * basesink)
{
GstShout2send *sink = GST_SHOUT2SEND (basesink);
if (sink->conn) {
if (sink->connected)
shout_close (sink->conn);
shout_free (sink->conn);
sink->conn = NULL;
}
if (sink->songmetadata) {
g_free (sink->songmetadata);
sink->songmetadata = NULL;
}
sink->connected = FALSE;
sink->format = -1;
return TRUE;
}
static gboolean
gst_shout2send_unlock (GstBaseSink * basesink)
{
GstShout2send *sink;
sink = GST_SHOUT2SEND (basesink);
GST_DEBUG_OBJECT (basesink, "unlock");
gst_poll_set_flushing (sink->timer, TRUE);
return TRUE;
}
static gboolean
gst_shout2send_unlock_stop (GstBaseSink * basesink)
{
GstShout2send *sink;
sink = GST_SHOUT2SEND (basesink);
GST_DEBUG_OBJECT (basesink, "unlock_stop");
gst_poll_set_flushing (sink->timer, FALSE);
return TRUE;
}
static GstFlowReturn
gst_shout2send_render (GstBaseSink * basesink, GstBuffer * buf)
{
GstShout2send *sink;
glong ret;
gint delay;
GstFlowReturn fret = GST_FLOW_OK;
GstMapInfo map;
GstClockTime now;
ssize_t queuelen;
sink = GST_SHOUT2SEND (basesink);
/* we connect here because we need to know the format before we can set up
* the connection, which we don't know yet in _start(), and also because we
* don't want to block the application thread */
if (!sink->connected) {
fret = gst_shout2send_connect (sink);
if (fret != GST_FLOW_OK)
goto done;
}
delay = shout_delay (sink->conn);
if (delay > 0) {
GST_LOG_OBJECT (sink, "waiting %d msec", delay);
if (gst_poll_wait (sink->timer, GST_MSECOND * delay) == -1) {
GST_LOG_OBJECT (sink, "unlocked");
fret = gst_base_sink_wait_preroll (basesink);
if (fret != GST_FLOW_OK)
goto done;
}
} else {
GST_LOG_OBJECT (sink, "we're %d msec late", -delay);
}
/* accumulate how much data have actually been sent
* to the network since the last call to shout_send() */
queuelen = shout_queuelen (sink->conn);
if (sink->prev_queuelen > 0)
sink->data_sent += sink->prev_queuelen - queuelen;
gst_buffer_map (buf, &map, GST_MAP_READ);
/* add map.size instead of re-reading the queue length because
* the data may actually be sent immediately */
sink->prev_queuelen = queuelen + map.size;
GST_LOG_OBJECT (sink, "sending %u bytes of data, queue length now is %"
G_GUINT64_FORMAT, (guint) map.size, sink->prev_queuelen);
ret = shout_send (sink->conn, map.data, map.size);
gst_buffer_unmap (buf, &map);
if (ret != SHOUTERR_SUCCESS)
goto send_error;
now = gst_util_get_timestamp ();
if (now - sink->datasent_reset_ts >= 500 * GST_MSECOND) {
guint64 send_rate;
send_rate = gst_util_uint64_scale (sink->data_sent, GST_SECOND,
now - sink->datasent_reset_ts);
if (send_rate == 0 && !sink->stalled) {
sink->stalled = TRUE;
sink->stalled_ts = now;
} else if (send_rate > 0 && sink->stalled) {
sink->stalled = FALSE;
}
sink->data_sent = 0;
sink->datasent_reset_ts = now;
GST_DEBUG_OBJECT (sink, "sending rate is %" G_GUINT64_FORMAT " bps, "
"stalled %d, stalled_ts %" GST_TIME_FORMAT, send_rate, sink->stalled,
GST_TIME_ARGS (sink->stalled_ts));
if (sink->stalled && now - sink->stalled_ts >= sink->timeout * GST_MSECOND) {
GST_WARNING_OBJECT (sink, "network send queue is stalled for too long");
goto network_error;
}
}
done:
return fret;
/* ERRORS */
send_error:
{
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL),
("shout_send() failed: %s", shout_get_error (sink->conn)));
g_signal_emit (sink, gst_shout2send_signals[SIGNAL_CONNECTION_PROBLEM], 0,
shout_get_errno (sink->conn));
return GST_FLOW_ERROR;
}
network_error:
{
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL),
("network timeout reached"));
g_signal_emit (sink, gst_shout2send_signals[SIGNAL_CONNECTION_PROBLEM], 0,
SHOUTERR_BUSY);
return GST_FLOW_ERROR;
}
}
static void
gst_shout2send_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstShout2send *shout2send;
shout2send = GST_SHOUT2SEND (object);
switch (prop_id) {
case ARG_IP:
g_free (shout2send->ip);
shout2send->ip = g_strdup (g_value_get_string (value));
break;
case ARG_PORT:
shout2send->port = g_value_get_int (value);
break;
case ARG_PASSWORD:
g_free (shout2send->password);
shout2send->password = g_strdup (g_value_get_string (value));
break;
case ARG_USERNAME:
g_free (shout2send->username);
shout2send->username = g_strdup (g_value_get_string (value));
break;
case ARG_PUBLIC:
shout2send->ispublic = g_value_get_boolean (value);
break;
case ARG_STREAMNAME: /* Name of the stream */
g_free (shout2send->streamname);
shout2send->streamname = g_strdup (g_value_get_string (value));
break;
case ARG_DESCRIPTION: /* Description of the stream */
g_free (shout2send->description);
shout2send->description = g_strdup (g_value_get_string (value));
break;
case ARG_GENRE: /* Genre of the stream */
g_free (shout2send->genre);
shout2send->genre = g_strdup (g_value_get_string (value));
break;
case ARG_PROTOCOL: /* protocol to connect with */
shout2send->protocol = g_value_get_enum (value);
break;
case ARG_MOUNT: /* mountpoint of stream (icecast only) */
g_free (shout2send->mount);
shout2send->mount = g_strdup (g_value_get_string (value));
break;
case ARG_URL: /* the stream's homepage URL */
g_free (shout2send->url);
shout2send->url = g_strdup (g_value_get_string (value));
break;
case ARG_TIMEOUT:
shout2send->timeout = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_shout2send_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstShout2send *shout2send;
shout2send = GST_SHOUT2SEND (object);
switch (prop_id) {
case ARG_IP:
g_value_set_string (value, shout2send->ip);
break;
case ARG_PORT:
g_value_set_int (value, shout2send->port);
break;
case ARG_PASSWORD:
g_value_set_string (value, shout2send->password);
break;
case ARG_USERNAME:
g_value_set_string (value, shout2send->username);
break;
case ARG_PUBLIC:
g_value_set_boolean (value, shout2send->ispublic);
break;
case ARG_STREAMNAME: /* Name of the stream */
g_value_set_string (value, shout2send->streamname);
break;
case ARG_DESCRIPTION: /* Description of the stream */
g_value_set_string (value, shout2send->description);
break;
case ARG_GENRE: /* Genre of the stream */
g_value_set_string (value, shout2send->genre);
break;
case ARG_PROTOCOL: /* protocol to connect with */
g_value_set_enum (value, shout2send->protocol);
break;
case ARG_MOUNT: /* mountpoint of stream (icecast only) */
g_value_set_string (value, shout2send->mount);
break;
case ARG_URL: /* the stream's homepage URL */
g_value_set_string (value, shout2send->url);
break;
case ARG_TIMEOUT:
g_value_set_uint (value, shout2send->timeout);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_shout2send_setcaps (GstBaseSink * basesink, GstCaps * caps)
{
const gchar *mimetype;
GstShout2send *shout2send;
gboolean ret = TRUE;
shout2send = GST_SHOUT2SEND (basesink);
mimetype = gst_structure_get_name (gst_caps_get_structure (caps, 0));
GST_DEBUG_OBJECT (shout2send, "mimetype of caps given is: %s", mimetype);
if (!strcmp (mimetype, "audio/mpeg")) {
shout2send->format = SHOUT_FORMAT_MP3;
} else if (g_str_has_suffix (mimetype, "/ogg")) {
shout2send->format = SHOUT_FORMAT_OGG;
#ifdef SHOUT_FORMAT_WEBM
} else if (g_str_has_suffix (mimetype, "/webm")) {
shout2send->format = SHOUT_FORMAT_WEBM;
#endif
} else {
ret = FALSE;
}
return ret;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
#ifdef ENABLE_NLS
bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
#endif /* ENABLE_NLS */
return gst_element_register (plugin, "shout2send", GST_RANK_NONE,
GST_TYPE_SHOUT2SEND);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
shout2,
"Sends data to an icecast server using libshout2",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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