/* convert the PacketLost event form a jitterbuffer to a segment update.
* subclasses can override this. */
static gboolean
gst_base_rtp_depayload_packet_lost (GstBaseRTPDepayload * filter,
GstEvent * event)
{
GstBaseRTPDepayloadPrivate *priv;
GstClockTime timestamp, duration, position;
GstEvent *sevent;
const GstStructure *s;
priv = filter->priv;
s = gst_event_get_structure (event);
/* first start by parsing the timestamp and duration */
timestamp = -1;
duration = -1;
gst_structure_get_clock_time (s, "timestamp", ×tamp);
gst_structure_get_clock_time (s, "duration", &duration);
position = timestamp;
if (duration != -1)
position += duration;
/* update the current segment with the elapsed time */
sevent = create_segment_event (filter, TRUE, position);
return gst_pad_push_event (filter->srcpad, sevent);
}
/* convert the PacketLost event from a jitterbuffer to a GAP event.
* subclasses can override this. */
static gboolean
gst_rtp_base_depayload_packet_lost (GstRTPBaseDepayload * filter,
GstEvent * event)
{
GstClockTime timestamp, duration;
GstEvent *sevent;
const GstStructure *s;
s = gst_event_get_structure (event);
/* first start by parsing the timestamp and duration */
timestamp = -1;
duration = -1;
if (!gst_structure_get_clock_time (s, "timestamp", ×tamp) ||
!gst_structure_get_clock_time (s, "duration", &duration)) {
GST_ERROR_OBJECT (filter,
"Packet loss event without timestamp or duration");
return FALSE;
}
sevent = gst_pad_get_sticky_event (filter->srcpad, GST_EVENT_SEGMENT, 0);
if (G_UNLIKELY (!sevent)) {
/* Typically happens if lost event arrives before first buffer */
GST_DEBUG_OBJECT (filter, "Ignore packet loss because segment event missing");
return FALSE;
}
gst_event_unref (sevent);
/* send GAP event */
sevent = gst_event_new_gap (timestamp, duration);
return gst_pad_push_event (filter->srcpad, sevent);
}
static gboolean bus_call (GstBus *bus, GstMessage *msg, gpointer data)
{
GMainLoop *loop = (GMainLoop *) data;
switch (GST_MESSAGE_TYPE (msg))
{
case GST_MESSAGE_APPLICATION:
{
const GstStructure * msg_struct = gst_message_get_structure(msg);
guint64 duration = 0;
guint64 timestamp = 0;
int stream_thread_id = 0;
g_debug("APPLICATION CUSTOM MESSAGE !!!");
g_debug("MESSAGE THREAD ID[%p]", g_thread_self());
gst_structure_get_clock_time (msg_struct, "duration" , &duration);
gst_structure_get_clock_time (msg_struct, "timestamp" , ×tamp);
gst_structure_get_int (msg_struct, "stream_thread_id" , &stream_thread_id);
g_debug("STREAM THREAD ID[0x%x]", stream_thread_id);
g_debug("DURATION[%llu], TIMESTAMP[%llu]", duration, timestamp);
g_debug("Testing string message, [%s]\n", gst_structure_get_string(msg_struct, "msg"));
break;
}
case GST_MESSAGE_EOS:
{
g_print ("End of stream\n");
g_main_loop_quit (loop);
break;
}
case GST_MESSAGE_ERROR:
{
gchar *debug;
GError *error;
gst_message_parse_error (msg, &error, &debug);
g_free (debug);
g_printerr ("Error: %s\n", error->message);
g_error_free (error);
g_main_loop_quit (loop);
break;
}
default:
g_print("Msg type [%d], Msg name [%s]\n", GST_MESSAGE_TYPE (msg), GST_MESSAGE_TYPE_NAME(msg));
break;
} return TRUE;
}
/**
* gst_video_event_parse_downstream_force_key_unit:
* @event: A #GstEvent to parse
* @timestamp: (out): A pointer to the timestamp in the event
* @stream_time: (out): A pointer to the stream-time in the event
* @running_time: (out): A pointer to the running-time in the event
* @all_headers: (out): A pointer to the all_headers flag in the event
* @count: (out): A pointer to the count field of the event
*
* Get timestamp, stream-time, running-time, all-headers and count in the force
* key unit event. See gst_video_event_new_downstream_force_key_unit() for a
* full description of the downstream force key unit event.
*
* @running_time will be adjusted for any pad offsets of pads it was passing through.
*
* Returns: %TRUE if the event is a valid downstream force key unit event.
*/
gboolean
gst_video_event_parse_downstream_force_key_unit (GstEvent * event,
GstClockTime * timestamp, GstClockTime * stream_time,
GstClockTime * running_time, gboolean * all_headers, guint * count)
{
const GstStructure *s;
GstClockTime ev_timestamp, ev_stream_time, ev_running_time;
gboolean ev_all_headers;
guint ev_count;
g_return_val_if_fail (event != NULL, FALSE);
if (GST_EVENT_TYPE (event) != GST_EVENT_CUSTOM_DOWNSTREAM)
return FALSE; /* Not a force key unit event */
s = gst_event_get_structure (event);
if (s == NULL
|| !gst_structure_has_name (s, GST_VIDEO_EVENT_FORCE_KEY_UNIT_NAME))
return FALSE;
if (!gst_structure_get_clock_time (s, "timestamp", &ev_timestamp))
ev_timestamp = GST_CLOCK_TIME_NONE;
if (!gst_structure_get_clock_time (s, "stream-time", &ev_stream_time))
ev_stream_time = GST_CLOCK_TIME_NONE;
if (!gst_structure_get_clock_time (s, "running-time", &ev_running_time))
ev_running_time = GST_CLOCK_TIME_NONE;
if (!gst_structure_get_boolean (s, "all-headers", &ev_all_headers))
ev_all_headers = FALSE;
if (!gst_structure_get_uint (s, "count", &ev_count))
ev_count = 0;
if (timestamp)
*timestamp = ev_timestamp;
if (stream_time)
*stream_time = ev_stream_time;
if (running_time) {
gint64 offset = gst_event_get_running_time_offset (event);
*running_time = ev_running_time;
/* Catch underflows */
if (*running_time > -offset)
*running_time += offset;
else
*running_time = 0;
}
if (all_headers)
*all_headers = ev_all_headers;
if (count)
*count = ev_count;
return TRUE;
}
static gboolean
gst_rtp_dtmf_src_handle_dtmf_event (GstRTPDTMFSrc * dtmfsrc,
const GstStructure * event_structure)
{
gint event_type;
gboolean start;
gint method;
GstClockTime last_stop;
gint event_number;
gint event_volume;
gboolean correct_order;
if (!gst_structure_get_int (event_structure, "type", &event_type) ||
!gst_structure_get_boolean (event_structure, "start", &start) ||
event_type != GST_RTP_DTMF_TYPE_EVENT)
goto failure;
if (gst_structure_get_int (event_structure, "method", &method)) {
if (method != 1) {
goto failure;
}
}
if (start)
if (!gst_structure_get_int (event_structure, "number", &event_number) ||
!gst_structure_get_int (event_structure, "volume", &event_volume))
goto failure;
GST_OBJECT_LOCK (dtmfsrc);
if (gst_structure_get_clock_time (event_structure, "last-stop", &last_stop))
dtmfsrc->last_stop = last_stop;
else
dtmfsrc->last_stop = GST_CLOCK_TIME_NONE;
correct_order = (start != dtmfsrc->last_event_was_start);
dtmfsrc->last_event_was_start = start;
GST_OBJECT_UNLOCK (dtmfsrc);
if (!correct_order)
goto failure;
if (start) {
if (!gst_structure_get_int (event_structure, "number", &event_number) ||
!gst_structure_get_int (event_structure, "volume", &event_volume))
goto failure;
GST_DEBUG_OBJECT (dtmfsrc, "Received start event %d with volume %d",
event_number, event_volume);
gst_rtp_dtmf_src_add_start_event (dtmfsrc, event_number, event_volume);
}
else {
GST_DEBUG_OBJECT (dtmfsrc, "Received stop event");
gst_rtp_dtmf_src_add_stop_event (dtmfsrc);
}
return TRUE;
failure:
return FALSE;
}
/* receive spectral data from element message */
static gboolean
message_handler (GstBus * bus, GstMessage * message, gpointer data)
{
if (message->type == GST_MESSAGE_ELEMENT) {
const GstStructure *s = gst_message_get_structure (message);
const gchar *name = gst_structure_get_name (s);
if (strcmp (name, "spectrum") == 0) {
GstElement *spectrum = GST_ELEMENT (GST_MESSAGE_SRC (message));
GstClockTime timestamp, duration;
GstClockTime waittime = GST_CLOCK_TIME_NONE;
if (gst_structure_get_clock_time (s, "running-time", ×tamp) &&
gst_structure_get_clock_time (s, "duration", &duration)) {
/* wait for middle of buffer */
waittime = timestamp + duration / 2;
} else if (gst_structure_get_clock_time (s, "endtime", ×tamp)) {
waittime = timestamp;
}
if (GST_CLOCK_TIME_IS_VALID (waittime)) {
GstClockID clock_id;
GstClockTime basetime = gst_element_get_base_time (spectrum);
gfloat *spect = g_new (gfloat, spect_bands);
const GValue *list;
const GValue *value;
guint i;
list = gst_structure_get_value (s, "magnitude");
for (i = 0; i < spect_bands; ++i) {
value = gst_value_list_get_value (list, i);
spect[i] = height_scale * g_value_get_float (value);
}
clock_id =
gst_clock_new_single_shot_id (sync_clock, waittime + basetime);
gst_clock_id_wait_async (clock_id, delayed_spectrum_update,
(gpointer) spect);
gst_clock_id_unref (clock_id);
}
}
}
return TRUE;
}
gboolean
message_handler (GstBus * bus, GstMessage * message, gpointer data)
{
if (message->type == GST_MESSAGE_ELEMENT) {
const GstStructure *s = gst_message_get_structure (message);
const gchar *name = gst_structure_get_name (s);
if (strcmp (name, "level") == 0) {
gint channels;
GstClockTime endtime;
gdouble rms_dB, peak_dB, decay_dB;
gdouble rms;
const GValue *list;
const GValue *value;
gint i;
if (!gst_structure_get_clock_time (s, "endtime", &endtime))
g_warning ("Could not parse endtime");
/* we can get the number of channels as the length of any of the value
* lists */
list = gst_structure_get_value (s, "rms");
channels = gst_value_list_get_size (list);
g_print ("endtime: %" GST_TIME_FORMAT ", channels: %d\n",
GST_TIME_ARGS (endtime), channels);
for (i = 0; i < channels; ++i) {
g_print ("channel %d\n", i);
list = gst_structure_get_value (s, "rms");
value = gst_value_list_get_value (list, i);
rms_dB = g_value_get_double (value);
list = gst_structure_get_value (s, "peak");
value = gst_value_list_get_value (list, i);
peak_dB = g_value_get_double (value);
list = gst_structure_get_value (s, "decay");
value = gst_value_list_get_value (list, i);
decay_dB = g_value_get_double (value);
g_print (" RMS: %f dB, peak: %f dB, decay: %f dB\n",
rms_dB, peak_dB, decay_dB);
/* converting from dB to normal gives us a value between 0.0 and 1.0 */
rms = pow (10, rms_dB / 20);
g_print (" normalized rms value: %f\n", rms);
}
}
}
/* we handled the message we want, and ignored the ones we didn't want.
* so the core can unref the message for us */
return TRUE;
}
static GstBusSyncReply
on_message (GstBus * bus, GstMessage * message, gpointer user_data)
{
const GstStructure *s = gst_message_get_structure (message);
const gchar *name = gst_structure_get_name (s);
GValueArray *rms_arr;
const GValue *array_val;
const GValue *value;
gdouble rms;
gint channels2;
guint i;
GstClockTime *rtime;
if (message->type != GST_MESSAGE_ELEMENT
|| strcmp (name, "videoframe-audiolevel") != 0)
goto done;
num_msgs++;
rtime = g_new (GstClockTime, 1);
if (!gst_structure_get_clock_time (s, "running-time", rtime)) {
g_warning ("Could not parse running time");
g_free (rtime);
} else {
g_queue_push_tail (&msg_timestamp_q, rtime);
}
/* the values are packed into GValueArrays with the value per channel */
array_val = gst_structure_get_value (s, "rms");
rms_arr = (GValueArray *) g_value_get_boxed (array_val);
channels2 = rms_arr->n_values;
fail_unless_equals_int (channels2, channels);
for (i = 0; i < channels; ++i) {
value = g_value_array_get_nth (rms_arr, i);
rms = g_value_get_double (value);
if (per_channel) {
fail_unless_equals_float (rms, expected_rms_per_channel[i]);
} else if (early_video && *rtime <= 50 * GST_MSECOND) {
fail_unless_equals_float (rms, 0);
} else {
fail_unless_equals_float (rms, expected_rms);
}
}
done:
return GST_BUS_PASS;
}
/* receive spectral data from element message */
static gboolean
message_handler (GstBus * bus, GstMessage * message, gpointer data)
{
if (message->type == GST_MESSAGE_ELEMENT) {
const GstStructure *s = gst_message_get_structure (message);
const gchar *name = gst_structure_get_name (s);
GstClockTime endtime;
if (strcmp (name, "spectrum") == 0) {
const GValue *magnitudes;
const GValue *phases;
const GValue *mag, *phase;
gdouble freq;
guint i;
if (!gst_structure_get_clock_time (s, "endtime", &endtime))
endtime = GST_CLOCK_TIME_NONE;
// g_print ("New spectrum message, endtime %" GST_TIME_FORMAT "\n",
// GST_TIME_ARGS (endtime));
magnitudes = gst_structure_get_value (s, "magnitude");
phases = gst_structure_get_value (s, "phase");
for (i = 0; i < spect_bands; ++i) {
freq = (gdouble) ((AUDIOFREQ / 2) * i + AUDIOFREQ / 4) / spect_bands;
mag = gst_value_list_get_value (magnitudes, i);
phase = gst_value_list_get_value (phases, i);
if (mag != NULL && phase != NULL) {
g_print ("%g %f\n", freq, g_value_get_float (mag));
}
}
//system(" perl rtgnuplotter.pl");
}
}
return TRUE;
}
/* receive spectral data from element message */
gboolean AudioGrabber::message_handler (GstBus * bus, GstMessage * message, gpointer data)
{
if (message->type == GST_MESSAGE_ELEMENT) {
const GstStructure *s = gst_message_get_structure (message);
const gchar *name = gst_structure_get_name (s);
GstClockTime endtime;
if (strcmp (name, "spectrum") == 0) {
const GValue *magnitudes;
const GValue *phases;
const GValue *mag, *phase;
gdouble freq;
int i;
if (!gst_structure_get_clock_time (s, "endtime", &endtime))
endtime = GST_CLOCK_TIME_NONE;
//g_print ("New spectrum message, endtime %" GST_TIME_FORMAT "\n",
// GST_TIME_ARGS (endtime));
magnitudes = gst_structure_get_value (s, "magnitude");
phases = gst_structure_get_value (s, "phase");
for (i = 0; i < 20; ++i) { // TODO 20 = _num_bands
freq = (gdouble) ((8000 / 2) * i + 8000 / 4) / 20; // TODO 8000=_freq 8000=_freq 20=_num_bands
mag = gst_value_list_get_value (magnitudes, i);
phase = gst_value_list_get_value (phases, i);
if (mag != NULL && phase != NULL && g_value_get_float (mag) >-50 && freq>16) {
g_print ("band %d (freq %g): magnitude %f dB phase %f\n", i, freq,
g_value_get_float (mag), g_value_get_float (phase));
g_print ("\n");
}
}
}
}
return TRUE;
}
static void
gst_hls_sink2_handle_message (GstBin * bin, GstMessage * message)
{
GstHlsSink2 *sink = GST_HLS_SINK2_CAST (bin);
switch (message->type) {
case GST_MESSAGE_ELEMENT:
{
const GstStructure *s = gst_message_get_structure (message);
if (message->src == GST_OBJECT_CAST (sink->splitmuxsink)) {
if (gst_structure_has_name (s, "splitmuxsink-fragment-opened")) {
g_free (sink->current_location);
sink->current_location =
g_strdup (gst_structure_get_string (s, "location"));
gst_structure_get_clock_time (s, "running-time",
&sink->current_running_time_start);
} else if (gst_structure_has_name (s, "splitmuxsink-fragment-closed")) {
GstClockTime running_time;
gchar *entry_location;
g_assert (strcmp (sink->current_location, gst_structure_get_string (s,
"location")) == 0);
gst_structure_get_clock_time (s, "running-time", &running_time);
GST_INFO_OBJECT (sink, "COUNT %d", sink->index);
if (sink->playlist_root == NULL) {
entry_location = g_path_get_basename (sink->current_location);
} else {
gchar *name = g_path_get_basename (sink->current_location);
entry_location = g_build_filename (sink->playlist_root, name, NULL);
g_free (name);
}
gst_m3u8_playlist_add_entry (sink->playlist, entry_location,
NULL, running_time - sink->current_running_time_start,
sink->index++, FALSE);
g_free (entry_location);
gst_hls_sink2_write_playlist (sink);
g_queue_push_tail (&sink->old_locations,
g_strdup (sink->current_location));
while (g_queue_get_length (&sink->old_locations) >
g_queue_get_length (sink->playlist->entries)) {
gchar *old_location = g_queue_pop_head (&sink->old_locations);
g_remove (old_location);
g_free (old_location);
}
}
}
break;
}
case GST_MESSAGE_EOS:{
sink->playlist->end_list = TRUE;
gst_hls_sink2_write_playlist (sink);
break;
}
default:
break;
}
GST_BIN_CLASS (parent_class)->handle_message (bin, message);
}
static gboolean
gst_dtmf_src_handle_dtmf_event (GstDTMFSrc * dtmfsrc, GstEvent * event)
{
const GstStructure *event_structure;
GstStateChangeReturn sret;
GstState state;
gint event_type;
gboolean start;
gint method;
GstClockTime last_stop;
gint event_number;
gint event_volume;
gboolean correct_order;
sret = gst_element_get_state (GST_ELEMENT (dtmfsrc), &state, NULL, 0);
if (sret != GST_STATE_CHANGE_SUCCESS || state != GST_STATE_PLAYING) {
GST_DEBUG_OBJECT (dtmfsrc, "dtmf-event, but not in PLAYING state");
goto failure;
}
event_structure = gst_event_get_structure (event);
if (!gst_structure_get_int (event_structure, "type", &event_type) ||
!gst_structure_get_boolean (event_structure, "start", &start) ||
(start == TRUE && event_type != GST_TONE_DTMF_TYPE_EVENT))
goto failure;
if (gst_structure_get_int (event_structure, "method", &method)) {
if (method != 2) {
goto failure;
}
}
if (start)
if (!gst_structure_get_int (event_structure, "number", &event_number) ||
!gst_structure_get_int (event_structure, "volume", &event_volume))
goto failure;
GST_OBJECT_LOCK (dtmfsrc);
if (gst_structure_get_clock_time (event_structure, "last-stop", &last_stop))
dtmfsrc->last_stop = last_stop;
else
dtmfsrc->last_stop = GST_CLOCK_TIME_NONE;
correct_order = (start != dtmfsrc->last_event_was_start);
dtmfsrc->last_event_was_start = start;
GST_OBJECT_UNLOCK (dtmfsrc);
if (!correct_order)
goto failure;
if (start) {
GST_DEBUG_OBJECT (dtmfsrc, "Received start event %d with volume %d",
event_number, event_volume);
gst_dtmf_src_add_start_event (dtmfsrc, event_number, event_volume);
}
else {
GST_DEBUG_OBJECT (dtmfsrc, "Received stop event");
gst_dtmf_src_add_stop_event (dtmfsrc);
}
return TRUE;
failure:
return FALSE;
}
void TrackAnalyser::messageReceived(GstMessage *message)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR: {
GError *err;
gchar *debug;
gst_message_parse_error (message, &err, &debug);
QString str;
str = "Error #"+QString::number(err->code)+" in module "+QString::number(err->domain)+"\n"+QString::fromUtf8(err->message);
if(err->code == 6 && err->domain == 851) {
str += "\nMay be you should to install gstreamer0.10-plugins-ugly or gstreamer0.10-plugins-bad";
}
qDebug()<< "Gstreamer error:"<< str;
g_error_free (err);
g_free (debug);
need_finish();
break;
}
case GST_MESSAGE_EOS:{
qDebug() << __PRETTY_FUNCTION__ <<":"<<parentWidget()->objectName()<<" End of track reached";
need_finish();
break;
}
case GST_MESSAGE_ELEMENT:{
GstClockTime timestamp;
const GstStructure *s = gst_message_get_structure (message);
const gchar *name = gst_structure_get_name (s);
if (strcmp (name, "cutter") == 0) {
gst_structure_get_clock_time (s, "timestamp", ×tamp);
const GValue *value;
value=gst_structure_get_value (s, "above");
bool isSilent=!g_value_get_boolean(value);
//if we detect a falling edge, set EndPostion to this
if (isSilent)
m_EndPosition=QTime(0,0).addMSecs( static_cast<uint>( ( timestamp / GST_MSECOND ) )); // nanosec -> msec
else
{
//if this is the first rising edge, set StartPosition
if (m_StartPosition==QTime(0,0) && m_EndPosition==m_MaxPosition)
m_StartPosition=QTime(0,0).addMSecs( static_cast<uint>( ( timestamp / GST_MSECOND ) )); // nanosec -> msec
//if we detect a rising edge, set EndPostion to track end
m_EndPosition=m_MaxPosition;
}
//qDebug() << __PRETTY_FUNCTION__ <<QTime(0,0).addMSecs( static_cast<uint>( ( timestamp / GST_MSECOND ) ))<< " silent:" << isSilent;
}
break;
}
case GST_MESSAGE_TAG:{
const GstStructure *s = gst_message_get_structure (message);
const GValue *value;
value=gst_structure_get_value (s, "replaygain-track-gain");
if (value){
m_GainDB = g_value_get_double (value);
//qDebug() << "Gain-db:" << gain_db;
//qDebug() << "Gain-norm:" << pow (10, m_GainDB / 20);
}
}
default:
break;
}
}
static void
gst_hls_sink_handle_message (GstBin * bin, GstMessage * message)
{
GstHlsSink *sink = GST_HLS_SINK_CAST (bin);
switch (message->type) {
case GST_MESSAGE_ELEMENT:
{
const char *filename;
GstClockTime running_time, duration;
gboolean discont = FALSE;
gchar *entry_location;
const GstStructure *structure;
structure = gst_message_get_structure (message);
if (strcmp (gst_structure_get_name (structure), "GstMultiFileSink"))
break;
filename = gst_structure_get_string (structure, "filename");
gst_structure_get_clock_time (structure, "running-time", &running_time);
duration = running_time - sink->last_running_time;
sink->last_running_time = running_time;
GST_INFO_OBJECT (sink, "COUNT %d", sink->index);
if (sink->playlist_root == NULL)
entry_location = g_path_get_basename (filename);
else {
gchar *name = g_path_get_basename (filename);
entry_location = g_build_filename (sink->playlist_root, name, NULL);
g_free (name);
}
gst_m3u8_playlist_add_entry (sink->playlist, entry_location,
NULL, duration, sink->index, discont);
g_free (entry_location);
gst_hls_sink_write_playlist (sink);
/* multifilesink is starting a new file. It means that upstream sent a key
* unit and we can schedule the next key unit now.
*/
sink->waiting_fku = FALSE;
schedule_next_key_unit (sink);
/* multifilesink is an internal implementation detail. If applications
* need a notification, we should probably do our own message */
GST_DEBUG_OBJECT (bin, "dropping message %" GST_PTR_FORMAT, message);
gst_message_unref (message);
message = NULL;
break;
}
case GST_MESSAGE_EOS:{
sink->playlist->end_list = TRUE;
gst_hls_sink_write_playlist (sink);
break;
}
default:
break;
}
if (message)
GST_BIN_CLASS (parent_class)->handle_message (bin, message);
}
// get spectrum messages and delay them
static gboolean on_message(GstBus *bus, GstMessage *message, gpointer data)
{
base *base_object = data;
GstElement *spectrum = GST_ELEMENT(base_object->spectrum_element->obj);
gst_object_ref(spectrum);
GstElement *message_element = GST_ELEMENT(GST_MESSAGE_SRC(message));
gst_object_ref(message_element);
if (message_element == spectrum)
{
GstClockTime waittime = GST_CLOCK_TIME_NONE;
const GstStructure *message_structure = gst_message_get_structure(message);
// determine waittime
GstClockTime timestamp, duration;
if (
gst_structure_get_clock_time(message_structure, "running-time", ×tamp)
&& gst_structure_get_clock_time(message_structure, "duration", &duration)
)
{
/* wait for middle of buffer */
waittime = timestamp + duration/2;
}
else if (gst_structure_get_clock_time(message_structure, "endtime", ×tamp))
{
waittime = timestamp;
}
// delay message
if (GST_CLOCK_TIME_IS_VALID(waittime))
{
GstClockTime basetime = gst_element_get_base_time(spectrum);
GstClockID clock_id = gst_clock_new_single_shot_id(base_object->sync_clock, basetime+waittime);
spectrum_message *mess = g_malloc(sizeof(spectrum_message));
// set bands and threshold
g_object_get(message_element, "bands", &(mess->bands), "threshold", &(mess->threshold), NULL);
// set start and duration
GstClockTime streamtime, duration;
gst_structure_get_clock_time(message_structure, "stream-time", &streamtime);
gst_structure_get_clock_time(message_structure, "duration", &duration);
mess->start = (gfloat)streamtime / GST_SECOND;
mess->duration = (gfloat)duration / GST_SECOND;
// set rate
GstPad *sink = gst_element_get_static_pad(GST_ELEMENT(base_object->spectrum_element->obj), "sink");
GstCaps *caps = gst_pad_get_negotiated_caps(sink);
gst_object_unref(sink);
GstStructure *caps_structure = gst_caps_get_structure(caps, 0);
gst_structure_get_int(caps_structure, "rate", &(mess->rate));
gst_caps_unref(caps);
// set magnitudes
const GValue *list = gst_structure_get_value(message_structure, "magnitude");
PyGILState_STATE gstate = PyGILState_Ensure();
int i;
mess->magnitudes = PyList_New(mess->bands);
for (i=0; i < (mess->bands); i++)
{
const GValue *value = gst_value_list_get_value(list, i);
gfloat f = g_value_get_float(value);
PyList_SetItem(mess->magnitudes, i, Py_BuildValue("f", f));
}
PyGILState_Release(gstate);
// set gobj
GObject *gobj = (base_object->gobj).obj;
g_assert(gobj != NULL);
g_object_ref(gobj);
mess->gobj = gobj;
// delay message
gst_clock_id_wait_async(clock_id, delayed_spectrum_update, mess);
gst_clock_id_unref(clock_id);
}
}
gst_object_unref(spectrum);
gst_object_unref(message_element);
return TRUE;
}
