static gboolean
dvb_base_bin_uri_set_uri (GstURIHandler * handler, const gchar * uri,
GError ** error)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (handler);
gchar *location;
location = gst_uri_get_location (uri);
if (location == NULL)
goto no_location;
if (!set_properties_for_channel (GST_ELEMENT (dvbbasebin), location))
goto set_properties_failed;
/* FIXME: here is where we parse channels.conf */
g_free (location);
return TRUE;
/* ERRORS */
no_location:
{
g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
"No details to DVB URI");
return FALSE;
}
set_properties_failed:
{
g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
"Could not set properties from DVB URI");
g_free (location);
return FALSE;
}
}
static GstPad *
dvb_base_bin_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name)
{
GstPad *pad;
GstPad *ghost;
gchar *pad_name;
if (name == NULL)
name = GST_PAD_TEMPLATE_NAME_TEMPLATE (templ);
pad =
gst_element_get_request_pad (GST_DVB_BASE_BIN (element)->mpegtsparse,
name);
if (pad == NULL)
return NULL;
pad_name = gst_pad_get_name (pad);
ghost = gst_ghost_pad_new (pad_name, pad);
g_free (pad_name);
gst_element_add_pad (element, ghost);
gst_element_no_more_pads (element);
return ghost;
}
static void
dvb_base_bin_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
switch (prop_id) {
case PROP_ADAPTER:
case PROP_FRONTEND:
case PROP_DISEQC_SRC:
case PROP_FREQUENCY:
case PROP_POLARITY:
case PROP_SYMBOL_RATE:
case PROP_BANDWIDTH:
case PROP_CODE_RATE_HP:
case PROP_CODE_RATE_LP:
case PROP_GUARD:
case PROP_MODULATION:
case PROP_TRANS_MODE:
case PROP_HIERARCHY:
case PROP_INVERSION:
case PROP_STATS_REPORTING_INTERVAL:
g_object_get_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
break;
case PROP_PROGRAM_NUMBERS:
g_object_get_property (G_OBJECT (dvbbasebin->mpegtsparse), pspec->name,
value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
dvb_base_bin_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
switch (prop_id) {
case PROP_ADAPTER:
case PROP_DISEQC_SRC:
case PROP_FRONTEND:
case PROP_FREQUENCY:
case PROP_POLARITY:
case PROP_SYMBOL_RATE:
case PROP_BANDWIDTH:
case PROP_CODE_RATE_HP:
case PROP_CODE_RATE_LP:
case PROP_GUARD:
case PROP_MODULATION:
case PROP_TRANS_MODE:
case PROP_HIERARCHY:
case PROP_INVERSION:
case PROP_STATS_REPORTING_INTERVAL:
/* FIXME: check if we can tune (state < PLAYING || program-numbers == "") */
g_object_set_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
break;
case PROP_PROGRAM_NUMBERS:
dvb_base_bin_set_program_numbers (dvbbasebin, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
{
DvbBaseBin *dvbbasebin;
dvbbasebin = GST_DVB_BASE_BIN (bin);
if (message->type == GST_MESSAGE_ELEMENT &&
GST_ELEMENT (message->src) == GST_ELEMENT (dvbbasebin->mpegtsparse)) {
const gchar *structure_name = gst_structure_get_name (message->structure);
if (strcmp (structure_name, "pat") == 0)
dvb_base_bin_pat_info_cb (dvbbasebin, message->structure);
else if (strcmp (structure_name, "pmt") == 0)
dvb_base_bin_pmt_info_cb (dvbbasebin, message->structure);
/*else if (strcmp (structure_name, "nit") == 0)
dvb_base_bin_nit_info_cb (dvbbasebin, message->structure);
else if (strcmp (structure_name, "sdt") == 0)
dvb_base_bin_sdt_info_cb (dvbbasebin, message->structure);
else if (strcmp (structure_name, "eit") == 0)
dvb_base_bin_eit_info_cb (dvbbasebin, message->structure); */
/* forward the message on */
gst_element_post_message (GST_ELEMENT_CAST (bin), message);
} else {
/* chain up */
GST_BIN_CLASS (parent_class)->handle_message (bin, message);
}
}
static GstPad *
dvb_base_bin_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (element);
GstPad *pad;
GstPad *ghost;
gchar *pad_name;
GST_DEBUG_OBJECT (dvbbasebin, "New pad requested %s", GST_STR_NULL (name));
if (dvbbasebin->tsparse == NULL)
return NULL;
if (name == NULL)
name = GST_PAD_TEMPLATE_NAME_TEMPLATE (templ);
pad = gst_element_get_request_pad (dvbbasebin->tsparse, name);
if (pad == NULL)
return NULL;
pad_name = gst_pad_get_name (pad);
ghost = gst_ghost_pad_new (pad_name, pad);
g_free (pad_name);
gst_element_add_pad (element, ghost);
return ghost;
}
static void
dvb_base_bin_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
switch (prop_id) {
case PROP_ADAPTER:
case PROP_DISEQC_SRC:
case PROP_FRONTEND:
case PROP_FREQUENCY:
case PROP_POLARITY:
case PROP_SYMBOL_RATE:
case PROP_BANDWIDTH:
case PROP_CODE_RATE_HP:
case PROP_CODE_RATE_LP:
case PROP_GUARD:
case PROP_MODULATION:
case PROP_TRANS_MODE:
case PROP_HIERARCHY:
case PROP_INVERSION:
case PROP_STATS_REPORTING_INTERVAL:
case PROP_TUNING_TIMEOUT:
case PROP_DELSYS:
case PROP_PILOT:
case PROP_ROLLOFF:
case PROP_STREAM_ID:
case PROP_BANDWIDTH_HZ:
case PROP_ISDBT_LAYER_ENABLED:
case PROP_ISDBT_PARTIAL_RECEPTION:
case PROP_ISDBT_SOUND_BROADCASTING:
case PROP_ISDBT_SB_SUBCHANNEL_ID:
case PROP_ISDBT_SB_SEGMENT_IDX:
case PROP_ISDBT_SB_SEGMENT_COUNT:
case PROP_ISDBT_LAYERA_FEC:
case PROP_ISDBT_LAYERA_MODULATION:
case PROP_ISDBT_LAYERA_SEGMENT_COUNT:
case PROP_ISDBT_LAYERA_TIME_INTERLEAVING:
case PROP_ISDBT_LAYERB_FEC:
case PROP_ISDBT_LAYERB_MODULATION:
case PROP_ISDBT_LAYERB_SEGMENT_COUNT:
case PROP_ISDBT_LAYERB_TIME_INTERLEAVING:
case PROP_ISDBT_LAYERC_FEC:
case PROP_ISDBT_LAYERC_MODULATION:
case PROP_ISDBT_LAYERC_SEGMENT_COUNT:
case PROP_ISDBT_LAYERC_TIME_INTERLEAVING:
case PROP_LNB_SLOF:
case PROP_LNB_LOF1:
case PROP_LNB_LOF2:
case PROP_INTERLEAVING:
/* FIXME: check if we can tune (state < PLAYING || program-numbers == "") */
g_object_set_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
break;
case PROP_PROGRAM_NUMBERS:
dvb_base_bin_set_program_numbers (dvbbasebin, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
{
DvbBaseBin *dvbbasebin;
dvbbasebin = GST_DVB_BASE_BIN (bin);
/* note: message->src might be a GstPad, so use element cast w/o typecheck */
if (GST_ELEMENT_CAST (message->src) == dvbbasebin->tsparse) {
GstMpegtsSection *section = gst_message_parse_mpegts_section (message);
if (section) {
switch (GST_MPEGTS_SECTION_TYPE (section)) {
case GST_MPEGTS_SECTION_PAT:
dvb_base_bin_pat_info_cb (dvbbasebin, section);
break;
case GST_MPEGTS_SECTION_PMT:
dvb_base_bin_pmt_info_cb (dvbbasebin, section);
break;
default:
break;
}
gst_mpegts_section_unref (section);
}
}
/* chain up */
GST_BIN_CLASS (parent_class)->handle_message (bin, message);
}
static gboolean
dvb_base_bin_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gboolean ret;
gchar *protocol;
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (handler);
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "dvb") != 0) {
ret = FALSE;
} else {
gchar *location = gst_uri_get_location (uri);
if (location != NULL) {
ret = set_properties_for_channel (G_OBJECT (dvbbasebin), location);
g_free (location);
} else
ret = FALSE;
}
/* here is where we parse channels.conf */
g_free (protocol);
return ret;
}
static void
dvb_base_bin_finalize (GObject * object)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
g_hash_table_destroy (dvbbasebin->streams);
g_hash_table_destroy (dvbbasebin->programs);
if (G_OBJECT_CLASS (parent_class)->finalize)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
dvb_base_bin_release_pad (GstElement * element, GstPad * pad)
{
GstGhostPad *ghost;
GstPad *target;
g_return_if_fail (GST_IS_DVB_BASE_BIN (element));
ghost = GST_GHOST_PAD (pad);
target = gst_ghost_pad_get_target (ghost);
gst_element_release_request_pad (GST_ELEMENT (GST_DVB_BASE_BIN (element)->
mpegtsparse), target);
gst_object_unref (target);
gst_element_remove_pad (element, pad);
}
static void
dvb_base_bin_dispose (GObject * object)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
if (!dvbbasebin->disposed) {
/* remove mpegtsparse BEFORE dvbsrc, since the mpegtsparse::pad-removed
* signal handler uses dvbsrc */
dvb_base_bin_reset (dvbbasebin);
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->mpegtsparse);
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc);
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->buffer_queue);
dvbbasebin->disposed = TRUE;
}
if (G_OBJECT_CLASS (parent_class)->dispose)
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
foreach_stream_build_filter (gpointer key, gpointer value, gpointer user_data)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (user_data);
DvbBaseBinStream *stream = (DvbBaseBinStream *) value;
gchar *tmp, *pid;
GST_DEBUG ("stream %d usecount %d", stream->pid, stream->usecount);
if (stream->usecount > 0) {
/* TODO: use g_strjoinv FTW */
tmp = dvbbasebin->filter;
pid = g_strdup_printf ("%d", stream->pid);
dvbbasebin->filter = g_strjoin (":", pid, dvbbasebin->filter, NULL);
g_free (pid);
g_free (tmp);
}
}
static gboolean
dvb_base_bin_uri_set_uri (GstURIHandler * handler, const gchar * uri,
GError ** error)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (handler);
GError *err = NULL;
gchar *location;
location = gst_uri_get_location (uri);
if (location == NULL)
goto no_location;
/* FIXME: here is where we parse channels.conf */
if (!set_properties_for_channel (GST_ELEMENT (dvbbasebin), location, &err))
goto set_properties_failed;
g_free (location);
return TRUE;
post_error_and_exit:
{
gst_element_message_full (GST_ELEMENT (dvbbasebin), GST_MESSAGE_ERROR,
err->domain, err->code, g_strdup (err->message), NULL, __FILE__,
GST_FUNCTION, __LINE__);
g_propagate_error (error, err);
return FALSE;
}
no_location:
{
g_set_error (&err, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
"No details to DVB URI");
goto post_error_and_exit;
}
set_properties_failed:
{
g_free (location);
if (!err)
g_set_error (&err, GST_URI_ERROR, GST_URI_ERROR_BAD_REFERENCE,
"Could not find information for channel");
goto post_error_and_exit;
}
}
static GstStateChangeReturn
dvb_base_bin_change_state (GstElement * element, GstStateChange transition)
{
DvbBaseBin *dvbbasebin;
GstStateChangeReturn ret;
dvbbasebin = GST_DVB_BASE_BIN (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (dvbbasebin->tsparse == NULL) {
GST_ELEMENT_ERROR (dvbbasebin, CORE, MISSING_PLUGIN, (NULL),
("No 'tsparse' element, check your GStreamer installation."));
return GST_STATE_CHANGE_FAILURE;
}
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_poll_set_flushing (dvbbasebin->poll, FALSE);
g_rec_mutex_lock (&dvbbasebin->lock);
gst_task_start (dvbbasebin->task);
g_rec_mutex_unlock (&dvbbasebin->lock);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_poll_set_flushing (dvbbasebin->poll, TRUE);
g_rec_mutex_lock (&dvbbasebin->lock);
gst_task_stop (dvbbasebin->task);
g_rec_mutex_unlock (&dvbbasebin->lock);
dvb_base_bin_reset (dvbbasebin);
break;
default:
break;
}
return ret;
}
static gboolean
dvb_base_bin_ts_pad_probe_cb (GstPad * pad, GstBuffer * buf, gpointer user_data)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (user_data);
if (dvbbasebin->hwcam) {
cam_device_poll (dvbbasebin->hwcam);
if (dvbbasebin->pmtlist_changed) {
if (cam_device_ready (dvbbasebin->hwcam)) {
GST_DEBUG_OBJECT (dvbbasebin, "pmt list changed");
dvb_base_bin_reset_pmtlist (dvbbasebin);
} else {
GST_DEBUG_OBJECT (dvbbasebin, "pmt list changed but CAM not ready");
}
}
}
return TRUE;
}
static void
dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
{
DvbBaseBin *dvbbasebin;
dvbbasebin = GST_DVB_BASE_BIN (bin);
if (message->type == GST_MESSAGE_ELEMENT &&
GST_ELEMENT (message->src) == GST_ELEMENT (dvbbasebin->tsparse)) {
const GstStructure *s = gst_message_get_structure (message);
const gchar *structure_name = gst_structure_get_name (s);
if (strcmp (structure_name, "pat") == 0)
dvb_base_bin_pat_info_cb (dvbbasebin, s);
else if (strcmp (structure_name, "pmt") == 0)
dvb_base_bin_pmt_info_cb (dvbbasebin, s);
}
/* chain up */
GST_BIN_CLASS (parent_class)->handle_message (bin, message);
}
static GstPadProbeReturn
dvb_base_bin_ts_pad_probe_cb (GstPad * pad, GstPadProbeInfo * info,
gpointer user_data)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (user_data);
if (dvbbasebin->hwcam) {
cam_device_poll (dvbbasebin->hwcam);
if (dvbbasebin->pmtlist_changed) {
if (cam_device_ready (dvbbasebin->hwcam)) {
GST_DEBUG_OBJECT (dvbbasebin, "pmt list changed");
dvb_base_bin_reset_pmtlist (dvbbasebin);
} else {
GST_DEBUG_OBJECT (dvbbasebin, "pmt list changed but CAM not ready");
}
}
}
return GST_PAD_PROBE_OK;
}
static GstStateChangeReturn
dvb_base_bin_change_state (GstElement * element, GstStateChange transition)
{
DvbBaseBin *dvbbasebin;
GstStateChangeReturn ret;
dvbbasebin = GST_DVB_BASE_BIN (element);
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
dvb_base_bin_init_cam (dvbbasebin);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
dvb_base_bin_reset (dvbbasebin);
break;
default:
break;
}
return ret;
}
static void
dvb_base_bin_dispose (GObject * object)
{
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
if (!dvbbasebin->disposed) {
/* remove mpegtsparse BEFORE dvbsrc, since the mpegtsparse::pad-removed
* signal handler uses dvbsrc */
dvb_base_bin_reset (dvbbasebin);
if (dvbbasebin->tsparse != NULL)
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->tsparse);
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc);
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->buffer_queue);
g_free (dvbbasebin->program_numbers);
gst_poll_free (dvbbasebin->poll);
gst_object_unref (dvbbasebin->task);
g_rec_mutex_clear (&dvbbasebin->lock);
dvbbasebin->disposed = TRUE;
}
if (G_OBJECT_CLASS (parent_class)->dispose)
G_OBJECT_CLASS (parent_class)->dispose (object);
}
