void
AlertTonePreview::gstSignalHandler (
GstBus *bus,
GstMessage *msg,
AlertTonePreview *atp)
{
Q_UNUSED (bus);
if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR)
{
GError *err = NULL;
char *debug = NULL;
gst_message_parse_error (msg, &err, &debug);
SYS_WARNING ("\nfrom '%s'\ntype '%s'\n'error '%s'\ndebug '%s'",
GST_MESSAGE_SRC_NAME (msg), GST_MESSAGE_TYPE_NAME (msg),
(err && err->message) ? err->message : "Unknown error",
debug ? debug : "empty");
g_error_free(err);
g_free(debug);
}
else if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS)
atp->rewind ();
}
static void
bus_call (GstBus *bus,
GstMessage *msg,
gpointer data)
{
GMainLoop *loop = (GMainLoop *) data;
char sender[181] = {0};
int rc = 0;
if (!strcmp("motions",GST_MESSAGE_SRC_NAME(msg)))
{
count_det++;
//rc = Base64Encode("006$rpi001$ceslab$Detected", sender, BUFFFERLEN);
//send(global_socket,sender,181,NULL);
printf("Detection: %d\n",count_det);
//gst_element_set_state (pipeline, GST_STATE_NULL);
//gst_object_unref (pipeline);
//gst_element_set_state (pipeline, GST_STATE_NULL);
//gst_object_unref (pipeline);
}
if (count_det == 5)
{
rc = Base64Encode("006$rpi001$ceslab$Detected", sender, BUFFFERLEN);
send(global_socket,sender,181,NULL);
//printf("%d\n",count_det);
gst_object_unref (bus);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
//count_det=0;
//printf("video_send_gathering_done: %d\n", video_send_gathering_done);
//printf("text_gathering_done: %d\n", text_gathering_done);
//printf("detect_done: %d\n", detect_done);
}
//return TRUE;
}
gboolean bus_callback(GstBus* sender, GstMessage* message, void* data)
{
gPlay* gplay = reinterpret_cast<gPlay*> (data);
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_STATE_CHANGED:
{
GstState newState;
gst_message_parse_state_changed(message, NULL, &newState, NULL);
std::string message_name(GST_MESSAGE_SRC_NAME(message));//TODO: Avoid this copy using glib
if (message_name.compare("playbin") == 0){
gplay->on_state_changed(newState);
}
}
break;
case GST_MESSAGE_TAG:
{
GstTagList* tag_list = 0;
gst_message_parse_tag(message, &tag_list);
Track t;
track_from_tag(tag_list, &t);
gplay->on_tag_found(t);
gst_tag_list_free(tag_list);
}
break;
case GST_MESSAGE_EOS:
gplay->on_eos();
break;
case GST_MESSAGE_STREAM_STATUS:
GstStreamStatusType message_type;
gst_message_parse_stream_status(message, &message_type, NULL);
g_print("Stream status: %d\n", message_type);
break;
default:
g_print("Message from %s: %s\n", GST_MESSAGE_SRC_NAME(message), gst_message_type_get_name(GST_MESSAGE_TYPE(message)));
break;
}
//TODO: Should I dispose message?
return true;
}
static gboolean
message_handler (GstBus * bus, GstMessage * message, gpointer user_data)
{
switch (GST_MESSAGE_TYPE (message)) {
#ifdef ASYNC_VERSION
case GST_MESSAGE_ELEMENT: {
const GstStructure *str;
str = gst_message_get_structure (message);
if (gst_structure_has_name (str, "GstBinForwarded")) {
GstMessage *orig;
/* unwrap the element message */
gst_structure_get (str, "message", GST_TYPE_MESSAGE, &orig, NULL);
g_assert (orig);
switch (GST_MESSAGE_TYPE (orig)) {
case GST_MESSAGE_ASYNC_DONE:
g_print ("ASYNC done %s\n", GST_MESSAGE_SRC_NAME (orig));
if (GST_MESSAGE_SRC (orig) == GST_OBJECT_CAST (play_bin)) {
g_print
("prerolled, starting synchronized playback and recording\n");
/* returns ASYNC because the sink linked to the live source is not
* prerolled */
if (gst_element_set_state (pipeline,
GST_STATE_PLAYING) != GST_STATE_CHANGE_ASYNC) {
g_warning ("State change failed");
}
}
break;
default:
break;
}
}
break;
}
#endif
case GST_MESSAGE_EOS:
g_print ("EOS\n");
g_main_loop_quit (loop);
break;
case GST_MESSAGE_ERROR: {
GError *err = NULL;
gst_message_parse_error (message, &err, NULL);
g_print ("error: %s\n", err->message);
g_clear_error (&err);
g_main_loop_quit (loop);
break;
}
default:
break;
}
return TRUE;
}
static gboolean
gst_bus_message (GstBus * bus, GstMessage * message, void *unused)
{
(void)bus;
(void)unused;
DEBUGF(" [gst] got BUS message %s\n",
gst_message_type_get_name (GST_MESSAGE_TYPE (message)));
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR:
{
GError *err;
gchar *debug;
gst_message_parse_error (message, &err, &debug);
DEBUGF("[gst] Received error: Src: %s, msg: %s\n", GST_MESSAGE_SRC_NAME(message), err->message);
g_error_free (err);
g_free (debug);
}
g_main_loop_quit (pcm_loop);
break;
case GST_MESSAGE_EOS:
gst_element_set_state (GST_ELEMENT(gst_pipeline), GST_STATE_NULL);
break;
case GST_MESSAGE_STATE_CHANGED:
{
GstState old_state, new_state;
gst_message_parse_state_changed (message, &old_state, &new_state, NULL);
DEBUGF("[gst] Element %s changed state from %s to %s.\n",
GST_MESSAGE_SRC_NAME(message),
gst_element_state_get_name (old_state),
gst_element_state_get_name (new_state));
break;
}
default:
break;
}
return TRUE;
}
static gboolean bus_callback(GstBus *bus, GstMessage *message, gpointer *ptr)
{
gst_app_t *app = (gst_app_t*)ptr;
switch(GST_MESSAGE_TYPE(message)){
case GST_MESSAGE_ERROR:{
gchar *debug;
GError *err;
gst_message_parse_error(message, &err, &debug);
g_print("Error %s\n", err->message);
g_error_free(err);
g_free(debug);
g_main_loop_quit(app->loop);
}
break;
case GST_MESSAGE_WARNING:{
gchar *debug;
GError *err;
gchar *name;
gst_message_parse_warning(message, &err, &debug);
g_print("Warning %s\nDebug %s\n", err->message, debug);
name = (gchar *)GST_MESSAGE_SRC_NAME(message);
g_print("Name of src %s\n", name ? name : "nil");
g_error_free(err);
g_free(debug);
}
break;
case GST_MESSAGE_EOS:
g_print("End of stream\n");
g_main_loop_quit(app->loop);
break;
case GST_MESSAGE_STATE_CHANGED:
break;
default:
// g_print("got message %s\n", \
gst_message_type_get_name (GST_MESSAGE_TYPE (message)));
break;
}
return TRUE;
}
GstBusSyncReply GstPipeliner::on_gst_error(GstMessage* msg) {
if (GST_MESSAGE_TYPE(msg) != GST_MESSAGE_ERROR) return GST_BUS_PASS;
gchar* debug = nullptr;
GError* error = nullptr;
gst_message_parse_error(msg, &error, &debug);
g_free(debug);
g_warning("GStreamer error: %s (element %s)", error->message, GST_MESSAGE_SRC_NAME(msg));
On_scope_exit {
if (error) g_error_free(error);
};
// on-error-gsource
GSourceWrapper* gsrc =
static_cast<GSourceWrapper*>(g_object_get_data(G_OBJECT(msg->src), "on-error-gsource"));
if (nullptr != gsrc) {
// removing command in order to get it invoked once
g_object_set_data(G_OBJECT(msg->src), "on-error-gsource", nullptr);
gsrc->attach(main_loop_->get_main_context());
}
if (on_error_cb_) on_error_cb_(GST_MESSAGE_SRC(msg), error);
return GST_BUS_DROP;
}
void media_bus_message(GstBus *bus,
GstMessage *message,
gpointer user_data) {
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR: {
GError *err = NULL;
gchar *dbg = NULL;
gst_message_parse_error(message, &err, &dbg);
if (err) {
g_error("RTSP Pipeline ERROR: %s", err->message);
g_error_free(err);
}
if (dbg) {
g_message("Debug details: %s", dbg);
g_free(dbg);
}
break;
}
/*
case GST_MESSAGE_STATE_CHANGED:
case GST_MESSAGE_STREAM_STATUS:
case GST_MESSAGE_TAG:
case GST_MESSAGE_NEW_CLOCK: {
// Ignore
break;
}
*/
default: {
const GstStructure* mstruct = gst_message_get_structure(message);
char* struct_info =
mstruct ? gst_structure_to_string(mstruct) : g_strdup("no-struct");
g_message("RTSP bus Message '%s' from '%s': %s",
GST_MESSAGE_TYPE_NAME(message),
GST_MESSAGE_SRC_NAME(message),
struct_info);
g_free(struct_info);
break;
}
}
}
bool ofGstUtils::gstHandleMessage(GstBus * bus, GstMessage * msg){
if(appsink && appsink->on_message(msg)) return true;
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): got " << GST_MESSAGE_TYPE_NAME(msg)
<< " message from " << GST_MESSAGE_SRC_NAME(msg);
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_BUFFERING:
gint pctBuffered;
gst_message_parse_buffering(msg,&pctBuffered);
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): buffering " << pctBuffered;
/*if(pctBuffered<100){
gst_element_set_state (gstPipeline, GST_STATE_PAUSED);
}else if(!bPaused){
gst_element_set_state (gstPipeline, GST_STATE_PLAYING);
}*/
break;
#if GST_VERSION_MAJOR==0
case GST_MESSAGE_DURATION:{
GstFormat format=GST_FORMAT_TIME;
gst_element_query_duration(gstPipeline,&format,&durationNanos);
}break;
#else
case GST_MESSAGE_DURATION_CHANGED:
gst_element_query_duration(gstPipeline,GST_FORMAT_TIME,&durationNanos);
break;
#endif
case GST_MESSAGE_STATE_CHANGED:{
GstState oldstate, newstate, pendstate;
gst_message_parse_state_changed(msg, &oldstate, &newstate, &pendstate);
if(isStream && newstate==GST_STATE_PAUSED && !bPlaying ){
bLoaded = true;
bPlaying = true;
if(!bPaused){
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): setting stream pipeline to play";
play();
}
}
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): " << GST_MESSAGE_SRC_NAME(msg) << " state changed from "
<< getName(oldstate) << " to " << getName(newstate) << " (" + getName(pendstate) << ")";
}break;
case GST_MESSAGE_ASYNC_DONE:
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): async done";
break;
case GST_MESSAGE_ERROR: {
GError *err;
gchar *debug;
gst_message_parse_error(msg, &err, &debug);
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): embedded video playback halted for plugin, module "
<< gst_element_get_name(GST_MESSAGE_SRC (msg)) << " reported: " << err->message;
g_error_free(err);
g_free(debug);
gst_element_set_state(GST_ELEMENT(gstPipeline), GST_STATE_NULL);
}break;
case GST_MESSAGE_EOS:
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): end of the stream";
bIsMovieDone = true;
if(appsink && !isAppSink) appsink->on_eos();
switch(loopMode){
case OF_LOOP_NORMAL:{
GstFormat format = GST_FORMAT_TIME;
GstSeekFlags flags = (GstSeekFlags) (GST_SEEK_FLAG_FLUSH |GST_SEEK_FLAG_KEY_UNIT);
gint64 pos;
#if GST_VERSION_MAJOR==0
gst_element_query_position(GST_ELEMENT(gstPipeline),&format,&pos);
#else
gst_element_query_position(GST_ELEMENT(gstPipeline),format,&pos);
#endif
if(!gst_element_seek(GST_ELEMENT(gstPipeline),
speed,
format,
flags,
GST_SEEK_TYPE_SET,
0,
GST_SEEK_TYPE_SET,
durationNanos)) {
ofLogWarning("ofGstUtils") << "gstHandleMessage(): unable to seek";
}
}break;
case OF_LOOP_PALINDROME:{
GstFormat format = GST_FORMAT_TIME;
GstSeekFlags flags = (GstSeekFlags) (GST_SEEK_FLAG_FLUSH |GST_SEEK_FLAG_KEY_UNIT);
gint64 pos;
#if GST_VERSION_MAJOR==0
gst_element_query_position(GST_ELEMENT(gstPipeline),&format,&pos);
#else
gst_element_query_position(GST_ELEMENT(gstPipeline),format,&pos);
#endif
float loopSpeed;
if(pos>0)
loopSpeed=-speed;
else
loopSpeed=speed;
if(!gst_element_seek(GST_ELEMENT(gstPipeline),
loopSpeed,
GST_FORMAT_UNDEFINED,
flags,
GST_SEEK_TYPE_NONE,
0,
GST_SEEK_TYPE_NONE,
0)) {
ofLogWarning("ofGstUtils") << "gstHandleMessage(): unable to seek";
}
}break;
default:
break;
}
break;
default:
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): unhandled message from " << GST_MESSAGE_SRC_NAME(msg);
break;
}
return true;
}
bool ofGstUtils::gstHandleMessage(GstBus * bus, GstMessage * msg){
if(appsink && appsink->on_message(msg)) return true;
/*ofLogVerbose("ofGstUtils") << "gstHandleMessage(): got " << GST_MESSAGE_TYPE_NAME(msg)
<< " message from " << GST_MESSAGE_SRC_NAME(msg);*/
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_BUFFERING:
gint pctBuffered;
gst_message_parse_buffering(msg,&pctBuffered);
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): buffering " << pctBuffered;
if(pctBuffered<100){
gst_element_set_state (gstPipeline, GST_STATE_PAUSED);
}else if(!bPaused){
gst_element_set_state (gstPipeline, GST_STATE_PLAYING);
}
break;
#if GST_VERSION_MAJOR==0
case GST_MESSAGE_DURATION:{
GstFormat format=GST_FORMAT_TIME;
gst_element_query_duration(gstPipeline,&format,&durationNanos);
}break;
#else
case GST_MESSAGE_DURATION_CHANGED:
gst_element_query_duration(gstPipeline,GST_FORMAT_TIME,&durationNanos);
break;
#endif
case GST_MESSAGE_STATE_CHANGED:{
GstState oldstate, newstate, pendstate;
gst_message_parse_state_changed(msg, &oldstate, &newstate, &pendstate);
if(isStream && newstate==GST_STATE_PAUSED && !bPlaying ){
bLoaded = true;
bPlaying = true;
if(!bPaused){
//ofLogVerbose("ofGstUtils") << "gstHandleMessage(): setting stream pipeline to play";
play();
}
}
/*ofLogVerbose("ofGstUtils") << "gstHandleMessage(): " << GST_MESSAGE_SRC_NAME(msg) << " state changed from "
<< getName(oldstate) << " to " << getName(newstate) << " (" + getName(pendstate) << ")";*/
}break;
case GST_MESSAGE_ASYNC_DONE:
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): async done";
break;
case GST_MESSAGE_ERROR: {
GError *err;
gchar *debug;
gst_message_parse_error(msg, &err, &debug);
gchar * name = gst_element_get_name(GST_MESSAGE_SRC (msg));
ofLogError("ofGstUtils") << "gstHandleMessage(): embedded video playback halted for plugin, module "
<< name << " reported: " << err->message;
g_free(name);
g_error_free(err);
g_free(debug);
gst_element_set_state(GST_ELEMENT(gstPipeline), GST_STATE_NULL);
}break;
case GST_MESSAGE_EOS:{
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): end of the stream";
bool isClosing = closing;
eos_cb();
if(isClosing){
busWatchID = 0;
return false;
}
switch(loopMode){
case OF_LOOP_NORMAL:{
GstFormat format = GST_FORMAT_TIME;
GstSeekFlags flags = (GstSeekFlags) (GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT);
if(speed>0){
if(!gst_element_seek(GST_ELEMENT(gstPipeline),
speed,
format,
flags,
GST_SEEK_TYPE_SET,
0,
GST_SEEK_TYPE_SET,
-1)) {
ofLogWarning("ofGstUtils") << "gstHandleMessage(): unable to seek";
}
}else if(speed<0){
if(!gst_element_seek(GST_ELEMENT(gstPipeline),speed, format,
flags,
GST_SEEK_TYPE_SET,
0,
GST_SEEK_TYPE_SET,
durationNanos-1000000)) {
ofLogWarning("ofGstUtils") << "gstHandleMessage(): unable to seek";
}
}
}break;
case OF_LOOP_PALINDROME:{
GstFormat format = GST_FORMAT_TIME;
GstSeekFlags flags = (GstSeekFlags) (GST_SEEK_FLAG_FLUSH |GST_SEEK_FLAG_KEY_UNIT);
gint64 pos;
#if GST_VERSION_MAJOR==0
gst_element_query_position(GST_ELEMENT(gstPipeline),&format,&pos);
#else
gst_element_query_position(GST_ELEMENT(gstPipeline),format,&pos);
#endif
float loopSpeed;
if(pos>0)
loopSpeed=-speed;
else
loopSpeed=speed;
if(!gst_element_seek(GST_ELEMENT(gstPipeline),
loopSpeed,
GST_FORMAT_UNDEFINED,
flags,
GST_SEEK_TYPE_NONE,
0,
GST_SEEK_TYPE_NONE,
0)) {
ofLogWarning("ofGstUtils") << "gstHandleMessage(): unable to seek";
}
}break;
default:
break;
}
}break;
case GST_MESSAGE_LATENCY:
gst_bin_recalculate_latency (GST_BIN (getPipeline()));
break;
case GST_MESSAGE_REQUEST_STATE: {
GstState state;
gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (msg));
gst_message_parse_request_state (msg, &state);
gst_element_set_state (getPipeline(), state);
g_free (name);
break;
}
case GST_MESSAGE_HAVE_CONTEXT:{
GstContext *context;
const gchar *context_type;
gchar *context_str;
gst_message_parse_have_context (msg, &context);
context_type = gst_context_get_context_type (context);
context_str = gst_structure_to_string (gst_context_get_structure (context));
ofLogNotice("ofGstUtils","Got context from element '%s': %s=%s\n",
GST_ELEMENT_NAME (GST_MESSAGE_SRC (msg)), context_type,
context_str);
g_free (context_str);
gst_context_unref (context);
break;
}
default:
ofLogVerbose("ofGstUtils") << "gstHandleMessage(): unhandled message from " << GST_MESSAGE_SRC_NAME(msg);
break;
}
return true;
}
void ofGstUtils::gstHandleMessage(){
GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(gstPipeline));
while(gst_bus_have_pending(bus)) {
GstMessage* msg = gst_bus_pop(bus);
if(appsink && appsink->on_message(msg)) continue;
ofLogVerbose() << "GStreamer: Got " << GST_MESSAGE_TYPE_NAME(msg) << " message from " << GST_MESSAGE_SRC_NAME(msg);
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_BUFFERING:
gint pctBuffered;
gst_message_parse_buffering(msg,&pctBuffered);
ofLog(OF_LOG_VERBOSE,"GStreamer: buffering %i\%", pctBuffered);
/*if(pctBuffered<100){
gst_element_set_state (gstPipeline, GST_STATE_PAUSED);
}else if(!bPaused){
gst_element_set_state (gstPipeline, GST_STATE_PLAYING);
}*/
break;
case GST_MESSAGE_DURATION:{
GstFormat format=GST_FORMAT_TIME;
gst_element_query_duration(gstPipeline,&format,&durationNanos);
}break;
case GST_MESSAGE_STATE_CHANGED:{
GstState oldstate, newstate, pendstate;
gst_message_parse_state_changed(msg, &oldstate, &newstate, &pendstate);
if(isStream && newstate==GST_STATE_PAUSED && !bPlaying ){
bLoaded = true;
bPlaying = true;
if(!bPaused){
cout << "setting stream pipeline to play " << endl;
play();
}
}
ofLogVerbose() << "GStreamer: " << GST_MESSAGE_SRC_NAME(msg) << " state changed from " << getName(oldstate) + " to " + getName(newstate) + " (" + getName(pendstate) + ")";
}break;
case GST_MESSAGE_ASYNC_DONE:
ofLog(OF_LOG_VERBOSE,"GStreamer: async done");
break;
case GST_MESSAGE_ERROR: {
GError *err;
gchar *debug;
gst_message_parse_error(msg, &err, &debug);
ofLog(OF_LOG_ERROR, "GStreamer Plugin: Embedded video playback halted; module %s reported: %s",
gst_element_get_name(GST_MESSAGE_SRC (msg)), err->message);
g_error_free(err);
g_free(debug);
gst_element_set_state(GST_ELEMENT(gstPipeline), GST_STATE_NULL);
}break;
case GST_MESSAGE_EOS:
ofLog(OF_LOG_VERBOSE,"GStreamer: end of the stream.");
bIsMovieDone = true;
if(appsink && !isAppSink) appsink->on_eos();
switch(loopMode){
case OF_LOOP_NORMAL:{
GstFormat format = GST_FORMAT_TIME;
GstSeekFlags flags = (GstSeekFlags) (GST_SEEK_FLAG_FLUSH |GST_SEEK_FLAG_KEY_UNIT);
gint64 pos;
gst_element_query_position(GST_ELEMENT(gstPipeline),&format,&pos);
if(!gst_element_seek(GST_ELEMENT(gstPipeline),
speed,
format,
flags,
GST_SEEK_TYPE_SET,
0,
GST_SEEK_TYPE_SET,
durationNanos)) {
ofLog(OF_LOG_WARNING,"GStreamer: unable to seek");
}
}break;
case OF_LOOP_PALINDROME:{
GstFormat format = GST_FORMAT_TIME;
GstSeekFlags flags = (GstSeekFlags) (GST_SEEK_FLAG_FLUSH |GST_SEEK_FLAG_KEY_UNIT);
gint64 pos;
gst_element_query_position(GST_ELEMENT(gstPipeline),&format,&pos);
float loopSpeed;
if(pos>0)
loopSpeed=-speed;
else
loopSpeed=speed;
if(!gst_element_seek(GST_ELEMENT(gstPipeline),
loopSpeed,
GST_FORMAT_UNDEFINED,
flags,
GST_SEEK_TYPE_NONE,
0,
GST_SEEK_TYPE_NONE,
0)) {
ofLog(OF_LOG_WARNING,"GStreamer: unable to seek");
}
}break;
default:
break;
}
break;
default:
ofLogVerbose() << "GStreamer: unhandled message from " << GST_MESSAGE_SRC_NAME(msg);
break;
}
gst_message_unref(msg);
}
gst_object_unref(GST_OBJECT(bus));
}
CAMLprim value ocaml_gstreamer_message_source_name(value _msg)
{
CAMLparam1(_msg);
GstMessage *msg = Message_val(_msg);
CAMLreturn(caml_copy_string(GST_MESSAGE_SRC_NAME(msg)));
}
/**
* gst_bus_timed_pop_filtered:
* @bus: a #GstBus to pop from
* @timeout: a timeout in nanoseconds, or GST_CLOCK_TIME_NONE to wait forever
* @types: message types to take into account, GST_MESSAGE_ANY for any type
*
* Get a message from the bus whose type matches the message type mask @types,
* waiting up to the specified timeout (and discarding any messages that do not
* match the mask provided).
*
* If @timeout is 0, this function behaves like gst_bus_pop_filtered(). If
* @timeout is #GST_CLOCK_TIME_NONE, this function will block forever until a
* matching message was posted on the bus.
*
* Returns: (transfer full) (nullable): a #GstMessage matching the
* filter in @types, or %NULL if no matching message was found on
* the bus until the timeout expired. The message is taken from
* the bus and needs to be unreffed with gst_message_unref() after
* usage.
*
* MT safe.
*/
GstMessage *
gst_bus_timed_pop_filtered (GstBus * bus, GstClockTime timeout,
GstMessageType types)
{
GstMessage *message;
GTimeVal now, then;
gboolean first_round = TRUE;
GstClockTime elapsed = 0;
g_return_val_if_fail (GST_IS_BUS (bus), NULL);
g_return_val_if_fail (types != 0, NULL);
g_return_val_if_fail (timeout == 0 || bus->priv->poll != NULL, NULL);
g_mutex_lock (&bus->priv->queue_lock);
while (TRUE) {
gint ret;
GST_LOG_OBJECT (bus, "have %d messages",
gst_atomic_queue_length (bus->priv->queue));
while ((message = gst_atomic_queue_pop (bus->priv->queue))) {
if (bus->priv->poll)
gst_poll_read_control (bus->priv->poll);
GST_DEBUG_OBJECT (bus, "got message %p, %s from %s, type mask is %u",
message, GST_MESSAGE_TYPE_NAME (message),
GST_MESSAGE_SRC_NAME (message), (guint) types);
if ((GST_MESSAGE_TYPE (message) & types) != 0) {
/* Extra check to ensure extended types don't get matched unless
* asked for */
if ((!GST_MESSAGE_TYPE_IS_EXTENDED (message))
|| (types & GST_MESSAGE_EXTENDED)) {
/* exit the loop, we have a message */
goto beach;
}
}
GST_DEBUG_OBJECT (bus, "discarding message, does not match mask");
gst_message_unref (message);
message = NULL;
}
/* no need to wait, exit loop */
if (timeout == 0)
break;
else if (timeout != GST_CLOCK_TIME_NONE) {
if (first_round) {
g_get_current_time (&then);
first_round = FALSE;
} else {
g_get_current_time (&now);
elapsed = GST_TIMEVAL_TO_TIME (now) - GST_TIMEVAL_TO_TIME (then);
if (elapsed > timeout)
break;
}
}
/* only here in timeout case */
g_assert (bus->priv->poll);
g_mutex_unlock (&bus->priv->queue_lock);
ret = gst_poll_wait (bus->priv->poll, timeout - elapsed);
g_mutex_lock (&bus->priv->queue_lock);
if (ret == 0) {
GST_INFO_OBJECT (bus, "timed out, breaking loop");
break;
} else {
GST_INFO_OBJECT (bus, "we got woken up, recheck for message");
}
}
beach:
g_mutex_unlock (&bus->priv->queue_lock);
return message;
}
GstBusSyncReply GstPipeliner::bus_sync_handler(GstBus* /*bus*/,
GstMessage* msg,
gpointer user_data) {
GstPipeliner* context = static_cast<GstPipeliner*>(user_data);
auto res = GST_BUS_PASS;
if (GST_BUS_DROP == context->on_gst_error(msg))
return GST_BUS_DROP;
else {
if (context->on_msg_sync_cb_) {
if (GST_BUS_DROP == context->on_msg_sync_cb_(msg)) return GST_BUS_DROP;
}
}
// if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_QOS) {
// GstFormat format;
// guint64 processed;
// guint64 dropped;
// gst_message_parse_qos_stats(msg, &format, &processed, &dropped);
// // g_print ("QOS from %s, format %d, processed %lu dropped %lu\n",
// // G_OBJECT_TYPE_NAME(G_OBJECT (msg->src)),
// // format,
// // processed,
// // dropped);
// }
if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_ERROR) {
gchar* debug = nullptr;
GError* error = nullptr;
gst_message_parse_error(msg, &error, &debug);
g_free(debug);
g_warning("GStreamer error: %s (element %s)", error->message, GST_MESSAGE_SRC_NAME(msg));
g_error_free(error);
res = GST_BUS_DROP;
}
// if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_EOS) {
// if (context->on_eos_cb_)
// context->on_eos_cb_();
// return GST_BUS_DROP;
// }
// FIXME:
// const GstStructure *gstruct = gst_message_get_structure (msg);
// if (nullptr != gstruct) {
// if (gst_structure_has_name(gstruct, "prepare-xwindow-id")) {
// guintptr *window_handle =
// (guintptr *) g_object_get_data(G_OBJECT(msg->src),
// "window-handle");
// if (window_handle != nullptr) {
// gst_x_overlay_set_window_handle(GST_X_OVERLAY(msg->src),
// *window_handle);
// }
// }
// }
// if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_TAG) {
// // GstTagList *tags = nullptr;
// // gst_message_parse_tag (msg, &tags);
// // g_print ("Got tags from element %s:\n", GST_OBJECT_NAME (msg->src));
// // gst_tag_list_foreach (tags, print_one_tag, nullptr);
// // g_print ("\n");
// // gst_tag_list_free (tags);
// }
return res;
}
void Player::messageReceived(GstMessage *message)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_STATE_CHANGE_FAILURE: {
qDebug() << Q_FUNC_INFO <<": Gstreamer error:"<< p->error;
}
case GST_MESSAGE_ERROR: {
if ( p->error == "")
{
GError *err;
gchar *debug;
gst_message_parse_error (message, &err, &debug);
p->error = "Error #"+QString::number(err->code)+" in module "+QString::number(err->domain)+"\n"+QString::fromUtf8(err->message);
if(err->domain != GST_STREAM_ERROR && err->code != GST_STREAM_ERROR_FAILED) {
p->error += "\nMay be you should install more of gstreamer plugins";
lastError = QString::fromUtf8(err->message);
}
qDebug() << Q_FUNC_INFO <<": Gstreamer error:"<< p->error;
g_error_free (err);
g_free (debug);
Q_EMIT error();
}
break;
}
case GST_MESSAGE_EOS:{
qDebug() << Q_FUNC_INFO <<":"<<parentWidget()->objectName()<<" End of track reached";
Q_EMIT finish();
break;
}
case GST_MESSAGE_STATE_CHANGED: {
GstState old_state, new_state;
gst_message_parse_state_changed (message, &old_state, &new_state, NULL);
switch(new_state){
case GST_STATE_PAUSED:
case GST_STATE_NULL:
rms_l=rms_r=0;
rmsout_l=rmsout_r=0;
default:
break;
}
break;
}
case GST_MESSAGE_ELEMENT:{
const GstStructure *s = gst_message_get_structure (message);
const gchar *src_name=GST_MESSAGE_SRC_NAME (message);
if (strcmp (src_name, "levelintern") == 0) {
gint channels;
gdouble peak_dB;
gdouble rms;
gint i;
#ifdef GST_API_VERSION_1
const GValue *array_val;
GValueArray *peak_arr;
array_val = gst_structure_get_value (s, "peak");
peak_arr = (GValueArray *) g_value_get_boxed (array_val);
channels = peak_arr->n_values;
for (i = 0; i < channels; ++i) {
peak_dB = g_value_get_double (peak_arr->values+i);
#else
const GValue *list;
const GValue *value;
list = gst_structure_get_value (s, "peak");
channels = gst_value_list_get_size (list);
for (i = 0; i < channels; ++i) {
list = gst_structure_get_value (s, "peak");
value = gst_value_list_get_value (list, i);
peak_dB = g_value_get_double (value);
#endif
/* converting from dB to normal gives us a value between 0.0 and 1.0 */
rms = pow (10, peak_dB / 20);
if (i==0)
rms_l=rms;
else
rms_r=rms;
}
}
if (strcmp (src_name, "levelout") == 0) {
gint channels;
gdouble peak_dB;
gdouble rms;
gint i;
#ifdef GST_API_VERSION_1
const GValue *array_val;
GValueArray *peak_arr;
array_val = gst_structure_get_value (s, "peak");
peak_arr = (GValueArray *) g_value_get_boxed (array_val);
channels = peak_arr->n_values;
for (i = 0; i < channels; ++i) {
peak_dB = g_value_get_double (peak_arr->values+i);
#else
const GValue *list;
const GValue *value;
list = gst_structure_get_value (s, "peak");
channels = gst_value_list_get_size (list);
for (i = 0; i < channels; ++i) {
list = gst_structure_get_value (s, "peak");
value = gst_value_list_get_value (list, i);
peak_dB = g_value_get_double (value);
#endif
/* converting from dB to normal gives us a value between 0.0 and 1.0 */
rms = pow (10, peak_dB / 20);
if (i==0)
rmsout_l=rms;
else
rmsout_r=rms;
}
}
}
break;
default:
break;
}
}
/**
* gst_bus_timed_pop_filtered:
* @bus: a #GstBus to pop from
* @timeout: a timeout in nanoseconds, or GST_CLOCK_TIME_NONE to wait forever
* @types: message types to take into account, GST_MESSAGE_ANY for any type
*
* Get a message from the bus whose type matches the message type mask @types,
* waiting up to the specified timeout (and discarding any messages that do not
* match the mask provided).
*
* If @timeout is 0, this function behaves like gst_bus_pop_filtered(). If
* @timeout is #GST_CLOCK_TIME_NONE, this function will block forever until a
* matching message was posted on the bus.
*
* Returns: (transfer full) (nullable): a #GstMessage matching the
* filter in @types, or %NULL if no matching message was found on
* the bus until the timeout expired. The message is taken from
* the bus and needs to be unreffed with gst_message_unref() after
* usage.
*
* MT safe.
*/
GstMessage *
gst_bus_timed_pop_filtered (GstBus * bus, GstClockTime timeout,
GstMessageType types)
{
GstMessage *message;
GTimeVal now, then;
gboolean first_round = TRUE;
GstClockTime elapsed = 0;
g_return_val_if_fail (GST_IS_BUS (bus), NULL);
g_return_val_if_fail (types != 0, NULL);
g_return_val_if_fail (timeout == 0 || bus->priv->poll != NULL, NULL);
g_mutex_lock (&bus->priv->queue_lock);
while (TRUE) {
gint ret;
GST_LOG_OBJECT (bus, "have %d messages",
gst_atomic_queue_length (bus->priv->queue));
while ((message = gst_atomic_queue_pop (bus->priv->queue))) {
if (bus->priv->poll) {
while (!gst_poll_read_control (bus->priv->poll)) {
if (errno == EWOULDBLOCK) {
/* Retry, this can happen if pushing to the queue has finished,
* popping here succeeded but writing control did not finish
* before we got to this line. */
/* Give other threads the chance to do something */
g_thread_yield ();
continue;
} else {
/* This is a real error and means that either the bus is in an
* inconsistent state, or the GstPoll is invalid. GstPoll already
* prints a critical warning about this, no need to do that again
* ourselves */
break;
}
}
}
GST_DEBUG_OBJECT (bus, "got message %p, %s from %s, type mask is %u",
message, GST_MESSAGE_TYPE_NAME (message),
GST_MESSAGE_SRC_NAME (message), (guint) types);
if ((GST_MESSAGE_TYPE (message) & types) != 0) {
/* Extra check to ensure extended types don't get matched unless
* asked for */
if ((!GST_MESSAGE_TYPE_IS_EXTENDED (message))
|| (types & GST_MESSAGE_EXTENDED)) {
/* exit the loop, we have a message */
goto beach;
}
}
GST_DEBUG_OBJECT (bus, "discarding message, does not match mask");
gst_message_unref (message);
message = NULL;
}
/* no need to wait, exit loop */
if (timeout == 0)
break;
else if (timeout != GST_CLOCK_TIME_NONE) {
if (first_round) {
g_get_current_time (&then);
first_round = FALSE;
} else {
g_get_current_time (&now);
elapsed = GST_TIMEVAL_TO_TIME (now) - GST_TIMEVAL_TO_TIME (then);
if (elapsed > timeout)
break;
}
}
/* only here in timeout case */
g_assert (bus->priv->poll);
g_mutex_unlock (&bus->priv->queue_lock);
ret = gst_poll_wait (bus->priv->poll, timeout - elapsed);
g_mutex_lock (&bus->priv->queue_lock);
if (ret == 0) {
GST_INFO_OBJECT (bus, "timed out, breaking loop");
break;
} else {
GST_INFO_OBJECT (bus, "we got woken up, recheck for message");
}
}
beach:
g_mutex_unlock (&bus->priv->queue_lock);
return message;
}
bool ofxGstRTPServer::on_message(GstMessage * msg){
// read messages from the pipeline like dropped packages
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_ELEMENT:{
GstObject * messageSrc = GST_MESSAGE_SRC(msg);
ofLogVerbose(LOG_NAME) << "Got " << GST_MESSAGE_TYPE_NAME(msg) << " message from " << GST_MESSAGE_SRC_NAME(msg);
ofLogVerbose(LOG_NAME) << "Message source type: " << G_OBJECT_CLASS_NAME(G_OBJECT_GET_CLASS(messageSrc));
ofLogVerbose(LOG_NAME) << "With structure name: " << gst_structure_get_name(gst_message_get_structure(msg));
ofLogVerbose(LOG_NAME) << gst_structure_to_string(gst_message_get_structure(msg));
return true;
}
case GST_MESSAGE_QOS:{
GstObject * messageSrc = GST_MESSAGE_SRC(msg);
ofLogVerbose(LOG_NAME) << "Got " << GST_MESSAGE_TYPE_NAME(msg) << " message from " << GST_MESSAGE_SRC_NAME(msg);
ofLogVerbose(LOG_NAME) << "Message source type: " << G_OBJECT_CLASS_NAME(G_OBJECT_GET_CLASS(messageSrc));
GstFormat format;
guint64 processed;
guint64 dropped;
gst_message_parse_qos_stats(msg,&format,&processed,&dropped);
ofLogVerbose(LOG_NAME) << "format " << gst_format_get_name(format) << " processed " << processed << " dropped " << dropped;
gint64 jitter;
gdouble proportion;
gint quality;
gst_message_parse_qos_values(msg,&jitter,&proportion,&quality);
ofLogVerbose(LOG_NAME) << "jitter " << jitter << " proportion " << proportion << " quality " << quality;
gboolean live;
guint64 running_time;
guint64 stream_time;
guint64 timestamp;
guint64 duration;
gst_message_parse_qos(msg,&live,&running_time,&stream_time,×tamp,&duration);
ofLogVerbose(LOG_NAME) << "live stream " << live << " runninng_time " << running_time << " stream_time " << stream_time << " timestamp " << timestamp << " duration " << duration;
return true;
}
default:
//ofLogVerbose(LOG_NAME) << "Got " << GST_MESSAGE_TYPE_NAME(msg) << " message from " << GST_MESSAGE_SRC_NAME(msg);
return false;
}
}
