GstBusSyncReply GstEnginePipeline::BusCallbackSync(GstBus*, GstMessage* msg,
gpointer self) {
GstEnginePipeline* instance = reinterpret_cast<GstEnginePipeline*>(self);
qLog(Debug) << instance->id() << "sync bus message"
<< GST_MESSAGE_TYPE_NAME(msg);
switch (GST_MESSAGE_TYPE(msg)) {
case GST_MESSAGE_EOS:
emit instance->EndOfStreamReached(instance->id(), false);
break;
case GST_MESSAGE_TAG:
instance->TagMessageReceived(msg);
break;
case GST_MESSAGE_ERROR:
instance->ErrorMessageReceived(msg);
break;
case GST_MESSAGE_ELEMENT:
instance->ElementMessageReceived(msg);
break;
case GST_MESSAGE_STATE_CHANGED:
instance->StateChangedMessageReceived(msg);
break;
case GST_MESSAGE_BUFFERING:
instance->BufferingMessageReceived(msg);
break;
case GST_MESSAGE_STREAM_STATUS:
instance->StreamStatusMessageReceived(msg);
break;
case GST_MESSAGE_STREAM_START:
if (instance->emit_track_ended_on_stream_start_) {
qLog(Debug) << "New segment started, EOS will signal on next buffer "
"discontinuity";
instance->emit_track_ended_on_stream_start_ = false;
instance->emit_track_ended_on_time_discontinuity_ = true;
}
break;
default:
break;
}
return GST_BUS_PASS;
}
static void
do_post_message_pre (GstStatsTracer * self, guint64 ts, GstElement * elem,
GstMessage * msg)
{
GstElementStats *stats = get_element_stats (self, elem);
const GstStructure *msg_s = gst_message_get_structure (msg);
GstStructure *s =
msg_s ? (GstStructure *) msg_s : gst_structure_new_empty ("dummy");
stats->last_ts = ts;
/* FIXME: work out whether using NULL instead of a dummy struct would work */
gst_tracer_record_log (tr_message, (guint64) (guintptr) g_thread_self (), ts,
stats->index, GST_MESSAGE_TYPE_NAME (msg), s);
if (s != msg_s)
gst_structure_free (s);
}
static gboolean my_bus_callback (GstBus *bus, GstMessage *message, gpointer data)
{
g_print ("Got %s message\n", GST_MESSAGE_TYPE_NAME (message));
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_QOS:
g_print("GST_MESSAGE_QOS\n");
break;
default:
g_print("GST_MESSAGE_*\n");
break;
}
/* we want to be notified again the next time there is a message
* on the bus, so returning TRUE (FALSE means we want to stop watching
* for messages on the bus and our callback should not be called again)
*/
return TRUE;
}
GstBusSyncReply GstEnginePipeline::BusCallbackSync(GstBus*, GstMessage* msg,
gpointer self) {
GstEnginePipeline* instance = reinterpret_cast<GstEnginePipeline*>(self);
qLog(Debug) << instance->id() << "sync bus message"
<< GST_MESSAGE_TYPE_NAME(msg);
switch (GST_MESSAGE_TYPE(msg)) {
case GST_MESSAGE_EOS:
emit instance->EndOfStreamReached(instance->id(), false);
break;
case GST_MESSAGE_TAG:
instance->TagMessageReceived(msg);
break;
case GST_MESSAGE_ERROR:
instance->ErrorMessageReceived(msg);
break;
case GST_MESSAGE_ELEMENT:
instance->ElementMessageReceived(msg);
break;
case GST_MESSAGE_STATE_CHANGED:
instance->StateChangedMessageReceived(msg);
break;
case GST_MESSAGE_BUFFERING:
instance->BufferingMessageReceived(msg);
break;
case GST_MESSAGE_STREAM_STATUS:
instance->StreamStatusMessageReceived(msg);
break;
default:
break;
}
return GST_BUS_PASS;
}
gboolean mediaPlayerPrivateMessageCallback(GstBus* bus, GstMessage* message, gpointer data)
{
GOwnPtr<GError> err;
GOwnPtr<gchar> debug;
MediaPlayer::NetworkState error;
MediaPlayerPrivate* mp = reinterpret_cast<MediaPlayerPrivate*>(data);
gint percent = 0;
switch (GST_MESSAGE_TYPE(message)) {
case GST_MESSAGE_ERROR:
gst_message_parse_error(message, &err.outPtr(), &debug.outPtr());
LOG_VERBOSE(Media, "Error: %d, %s", err->code, err->message);
error = MediaPlayer::Empty;
if (err->domain == GST_CORE_ERROR || err->domain == GST_LIBRARY_ERROR)
error = MediaPlayer::DecodeError;
else if (err->domain == GST_RESOURCE_ERROR)
error = MediaPlayer::FormatError;
else if (err->domain == GST_STREAM_ERROR)
error = MediaPlayer::NetworkError;
if (mp)
mp->loadingFailed(error);
break;
case GST_MESSAGE_EOS:
LOG_VERBOSE(Media, "End of Stream");
mp->didEnd();
break;
case GST_MESSAGE_STATE_CHANGED:
mp->updateStates();
break;
case GST_MESSAGE_BUFFERING:
gst_message_parse_buffering(message, &percent);
LOG_VERBOSE(Media, "Buffering %d", percent);
break;
default:
LOG_VERBOSE(Media, "Unhandled GStreamer message type: %s",
GST_MESSAGE_TYPE_NAME(message));
break;
}
return true;
}
static void
do_post_message_pre (GstStatsTracer * self, guint64 ts, GstElement * elem,
GstMessage * msg)
{
GstElementStats *stats = get_element_stats (self, elem);
const GstStructure *msg_s = gst_message_get_structure (msg);
GstStructure *s;
stats->last_ts = ts;
s = gst_structure_new ("message",
"thread-id", G_TYPE_UINT, GPOINTER_TO_UINT (g_thread_self ()),
"ts", G_TYPE_UINT64, ts,
"elem-ix", G_TYPE_UINT, stats->index,
"name", G_TYPE_STRING, GST_MESSAGE_TYPE_NAME (msg), NULL);
if (msg_s) {
gst_structure_set (s, "structure", GST_TYPE_STRUCTURE, msg_s, NULL);
}
gst_tracer_log_trace (s);
}
static gboolean mybusfunc(GstBus *bus, GstMessage *message, gpointer user_data)
{
GMainLoop *loop = (GMainLoop *) user_data;
GstState prev_state, curr_state;
GError *err = NULL;
gchar *debug_info = NULL;
g_print("Got %s\n", GST_MESSAGE_TYPE_NAME(message));
switch (GST_MESSAGE_TYPE(message)) {
case GST_MESSAGE_EOS:
g_print("End of stream\n");
g_main_loop_quit(loop);
break;
case GST_MESSAGE_ERROR:
gst_message_parse_error(message, &err, &debug_info);
g_printerr("Error from element %s: %s\n", GST_OBJECT_NAME(message->src), err->message);
g_printerr("Debugging info: %s\n", (debug_info) ? debug_info : "none");
g_error_free(err);
g_free(debug_info);
g_main_loop_quit(loop);
break;
case GST_MESSAGE_STATE_CHANGED:
gst_message_parse_state_changed(message, &prev_state, &curr_state, NULL);
g_print("Element %s changed from %s to %s\n",
GST_OBJECT_NAME(message->src),
gst_element_state_get_name(prev_state),
gst_element_state_get_name(curr_state));
break;
default:
g_print("Unhandled messages");
break;
}
g_print("\n");
return TRUE;
}
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;
}
}
}
gboolean GstEnginePipeline::BusCallback(GstBus*, GstMessage* msg, gpointer self) {
GstEnginePipeline* instance = reinterpret_cast<GstEnginePipeline*>(self);
qLog(Debug) << instance->id() << "bus message" << GST_MESSAGE_TYPE_NAME(msg);
switch (GST_MESSAGE_TYPE(msg)) {
case GST_MESSAGE_ERROR:
instance->ErrorMessageReceived(msg);
break;
case GST_MESSAGE_TAG:
instance->TagMessageReceived(msg);
break;
case GST_MESSAGE_STATE_CHANGED:
instance->StateChangedMessageReceived(msg);
break;
default:
break;
}
return FALSE;
}
void QGstreamerGLTextureRenderer::handleBusMessage(GstMessage* gm)
{
#ifdef GL_TEXTURE_SINK_DEBUG
qDebug() << Q_FUNC_INFO << GST_MESSAGE_TYPE_NAME(gm);
#endif
if (GST_MESSAGE_TYPE(gm) == GST_MESSAGE_STATE_CHANGED) {
GstState oldState;
GstState newState;
gst_message_parse_state_changed(gm, &oldState, &newState, 0);
#ifdef GL_TEXTURE_SINK_DEBUG
qDebug() << Q_FUNC_INFO << "State changed:" << oldState << newState;
#endif
if (newState == GST_STATE_READY || newState == GST_STATE_NULL) {
stopRenderer();
}
if (oldState == GST_STATE_READY && newState == GST_STATE_PAUSED) {
updateNativeVideoSize();
}
}
}
static void
do_perfect_stream_test (guint rate, guint width, gdouble drop_probability,
gdouble inject_probability)
{
GstElement *pipe, *src, *conv, *filter, *injector, *audiorate, *sink;
GstMessage *msg;
GstCaps *caps;
GstPad *srcpad;
GList *l, *bufs = NULL;
GstClockTime next_time = GST_CLOCK_TIME_NONE;
guint64 next_offset = GST_BUFFER_OFFSET_NONE;
caps = gst_caps_new_simple ("audio/x-raw-int", "rate", G_TYPE_INT,
rate, "width", G_TYPE_INT, width, NULL);
GST_INFO ("-------- drop=%.0f%% caps = %" GST_PTR_FORMAT " ---------- ",
drop_probability * 100.0, caps);
g_assert (drop_probability >= 0.0 && drop_probability <= 1.0);
g_assert (inject_probability >= 0.0 && inject_probability <= 1.0);
g_assert (width > 0 && (width % 8) == 0);
pipe = gst_pipeline_new ("pipeline");
fail_unless (pipe != NULL);
src = gst_element_factory_make ("audiotestsrc", "audiotestsrc");
fail_unless (src != NULL);
g_object_set (src, "num-buffers", 100, NULL);
conv = gst_element_factory_make ("audioconvert", "audioconvert");
fail_unless (conv != NULL);
filter = gst_element_factory_make ("capsfilter", "capsfilter");
fail_unless (filter != NULL);
g_object_set (filter, "caps", caps, NULL);
injector_inject_probability = inject_probability;
injector = GST_ELEMENT (g_object_new (test_injector_get_type (), NULL));
srcpad = gst_element_get_pad (injector, "src");
fail_unless (srcpad != NULL);
gst_pad_add_buffer_probe (srcpad, G_CALLBACK (probe_cb), &drop_probability);
gst_object_unref (srcpad);
audiorate = gst_element_factory_make ("audiorate", "audiorate");
fail_unless (audiorate != NULL);
sink = gst_element_factory_make ("fakesink", "fakesink");
fail_unless (sink != NULL);
g_object_set (sink, "signal-handoffs", TRUE, NULL);
g_signal_connect (sink, "handoff", G_CALLBACK (got_buf), &bufs);
gst_bin_add_many (GST_BIN (pipe), src, conv, filter, injector, audiorate,
sink, NULL);
gst_element_link_many (src, conv, filter, injector, audiorate, sink, NULL);
fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_PLAYING),
GST_STATE_CHANGE_ASYNC);
fail_unless_equals_int (gst_element_get_state (pipe, NULL, NULL, -1),
GST_STATE_CHANGE_SUCCESS);
msg = gst_bus_poll (GST_ELEMENT_BUS (pipe),
GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
fail_unless_equals_string (GST_MESSAGE_TYPE_NAME (msg), "eos");
for (l = bufs; l != NULL; l = l->next) {
GstBuffer *buf = GST_BUFFER (l->data);
guint num_samples;
fail_unless (GST_BUFFER_TIMESTAMP_IS_VALID (buf));
fail_unless (GST_BUFFER_DURATION_IS_VALID (buf));
fail_unless (GST_BUFFER_OFFSET_IS_VALID (buf));
fail_unless (GST_BUFFER_OFFSET_END_IS_VALID (buf));
GST_LOG ("buffer: ts=%" GST_TIME_FORMAT ", end_ts=%" GST_TIME_FORMAT
" off=%" G_GINT64_FORMAT ", end_off=%" G_GINT64_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf)),
GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf));
if (GST_CLOCK_TIME_IS_VALID (next_time)) {
fail_unless_equals_uint64 (next_time, GST_BUFFER_TIMESTAMP (buf));
}
if (next_offset != GST_BUFFER_OFFSET_NONE) {
fail_unless_equals_uint64 (next_offset, GST_BUFFER_OFFSET (buf));
}
/* check buffer size for sanity */
fail_unless_equals_int (GST_BUFFER_SIZE (buf) % (width / 8), 0);
/* check there is actually as much data as there should be */
num_samples = GST_BUFFER_OFFSET_END (buf) - GST_BUFFER_OFFSET (buf);
fail_unless_equals_int (GST_BUFFER_SIZE (buf), num_samples * (width / 8));
next_time = GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf);
next_offset = GST_BUFFER_OFFSET_END (buf);
}
gst_message_unref (msg);
gst_element_set_state (pipe, GST_STATE_NULL);
gst_object_unref (pipe);
g_list_foreach (bufs, (GFunc) gst_mini_object_unref, NULL);
g_list_free (bufs);
gst_caps_unref (caps);
}
static void
gst_alloc_trace_print (const GstAllocTrace * trace)
{
GSList *mem_live;
g_return_if_fail (trace != NULL);
if (trace->flags & GST_ALLOC_TRACE_LIVE) {
g_print ("%-22.22s : %d\n", trace->name, trace->live);
} else {
g_print ("%-22.22s : (no live count)\n", trace->name);
}
if (trace->flags & GST_ALLOC_TRACE_MEM_LIVE) {
mem_live = trace->mem_live;
while (mem_live) {
gpointer data = mem_live->data;
const gchar *type_name;
gchar *extra = NULL;
gint refcount = -1;
if (trace->offset == -2) {
if (G_IS_OBJECT (data)) {
type_name = G_OBJECT_TYPE_NAME (data);
refcount = G_OBJECT (data)->ref_count;
} else
type_name = "<invalid>";
} else if (trace->offset == -1) {
type_name = "<unknown>";
} else {
GType type;
type = G_STRUCT_MEMBER (GType, data, trace->offset);
type_name = g_type_name (type);
if (type == GST_TYPE_CAPS) {
extra = gst_caps_to_string (data);
} else if (type == GST_TYPE_EVENT) {
const GstStructure *s = gst_event_get_structure (data);
if (s == NULL)
extra = g_strdup_printf ("%s", GST_EVENT_TYPE_NAME (data));
else
extra = gst_structure_to_string (s);
} else if (type == GST_TYPE_MESSAGE) {
const GstStructure *s = gst_message_get_structure (data);
if (s == NULL)
extra = g_strdup_printf ("%s", GST_MESSAGE_TYPE_NAME (data));
else
extra = gst_structure_to_string (s);
} else if (type == GST_TYPE_BUFFER) {
guint size = gst_buffer_get_size (data);
extra = g_strdup_printf ("%u bytes", size);
} else if (type == GST_TYPE_MEMORY) {
GstMemory *mem = (GstMemory *) data;
extra = g_strdup_printf ("%u bytes, %s allocator", (guint) mem->size,
mem->allocator ? mem->allocator->mem_type : "unknown");
}
refcount = GST_MINI_OBJECT_REFCOUNT_VALUE (data);
}
if (extra) {
g_print (" %-20.20s : (%d) %p (\"%s\")\n", type_name, refcount, data,
extra);
g_free (extra);
} else
g_print (" %-20.20s : (%d) %p\n", type_name, refcount, data);
mem_live = mem_live->next;
}
}
}
/**
* 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: 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.
*
* Since: 0.10.15
*/
GstMessage *
gst_bus_timed_pop_filtered (GstBus * bus, GstClockTime timeout,
GstMessageType types)
{
GstMessage *message;
GTimeVal *timeval, abstimeout;
gboolean first_round = TRUE;
g_return_val_if_fail (GST_IS_BUS (bus), NULL);
g_return_val_if_fail (types != 0, NULL);
g_mutex_lock (bus->queue_lock);
while (TRUE) {
GST_LOG_OBJECT (bus, "have %d messages", g_queue_get_length (bus->queue));
while ((message = g_queue_pop_head (bus->queue))) {
GST_DEBUG_OBJECT (bus, "got message %p, %s, type mask is %u",
message, GST_MESSAGE_TYPE_NAME (message), (guint) types);
if ((GST_MESSAGE_TYPE (message) & types) != 0) {
/* exit the loop, we have a message */
goto beach;
} else {
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;
if (timeout == GST_CLOCK_TIME_NONE) {
/* wait forever */
timeval = NULL;
} else if (first_round) {
glong add = timeout / 1000;
if (add == 0)
/* no need to wait */
break;
/* make timeout absolute */
g_get_current_time (&abstimeout);
g_time_val_add (&abstimeout, add);
timeval = &abstimeout;
first_round = FALSE;
GST_DEBUG_OBJECT (bus, "blocking for message, timeout %ld", add);
} else {
/* calculated the absolute end time already, no need to do it again */
GST_DEBUG_OBJECT (bus, "blocking for message, again");
timeval = &abstimeout; /* fool compiler */
}
if (!g_cond_timed_wait (bus->priv->queue_cond, bus->queue_lock, timeval)) {
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->queue_lock);
return message;
}
/**
* gst_bus_post:
* @bus: a #GstBus to post on
* @message: The #GstMessage to post
*
* Post a message on the given bus. Ownership of the message
* is taken by the bus.
*
* Returns: TRUE if the message could be posted, FALSE if the bus is flushing.
*
* MT safe.
*/
gboolean
gst_bus_post (GstBus * bus, GstMessage * message)
{
GstBusSyncReply reply = GST_BUS_PASS;
GstBusSyncHandler handler;
gboolean emit_sync_message;
gpointer handler_data;
g_return_val_if_fail (GST_IS_BUS (bus), FALSE);
g_return_val_if_fail (GST_IS_MESSAGE (message), FALSE);
GST_DEBUG_OBJECT (bus, "[msg %p] posting on bus, type %s, %" GST_PTR_FORMAT
" from source %" GST_PTR_FORMAT,
message, GST_MESSAGE_TYPE_NAME (message), message->structure,
message->src);
GST_OBJECT_LOCK (bus);
/* check if the bus is flushing */
if (GST_OBJECT_FLAG_IS_SET (bus, GST_BUS_FLUSHING))
goto is_flushing;
handler = bus->sync_handler;
handler_data = bus->sync_handler_data;
emit_sync_message = bus->priv->num_sync_message_emitters > 0;
GST_OBJECT_UNLOCK (bus);
/* first call the sync handler if it is installed */
if (handler)
reply = handler (bus, message, handler_data);
/* emit sync-message if requested to do so via
gst_bus_enable_sync_message_emission. terrible but effective */
if (emit_sync_message && reply != GST_BUS_DROP
&& handler != gst_bus_sync_signal_handler)
gst_bus_sync_signal_handler (bus, message, NULL);
/* now see what we should do with the message */
switch (reply) {
case GST_BUS_DROP:
/* drop the message */
GST_DEBUG_OBJECT (bus, "[msg %p] dropped", message);
break;
case GST_BUS_PASS:
/* pass the message to the async queue, refcount passed in the queue */
GST_DEBUG_OBJECT (bus, "[msg %p] pushing on async queue", message);
g_mutex_lock (bus->queue_lock);
g_queue_push_tail (bus->queue, message);
g_cond_broadcast (bus->priv->queue_cond);
g_mutex_unlock (bus->queue_lock);
GST_DEBUG_OBJECT (bus, "[msg %p] pushed on async queue", message);
gst_bus_wakeup_main_context (bus);
break;
case GST_BUS_ASYNC:
{
/* async delivery, we need a mutex and a cond to block
* on */
GMutex *lock = g_mutex_new ();
GCond *cond = g_cond_new ();
GST_MESSAGE_COND (message) = cond;
GST_MESSAGE_GET_LOCK (message) = lock;
GST_DEBUG_OBJECT (bus, "[msg %p] waiting for async delivery", message);
/* now we lock the message mutex, send the message to the async
* queue. When the message is handled by the app and destroyed,
* the cond will be signalled and we can continue */
g_mutex_lock (lock);
g_mutex_lock (bus->queue_lock);
g_queue_push_tail (bus->queue, message);
g_cond_broadcast (bus->priv->queue_cond);
g_mutex_unlock (bus->queue_lock);
gst_bus_wakeup_main_context (bus);
/* now block till the message is freed */
g_cond_wait (cond, lock);
g_mutex_unlock (lock);
GST_DEBUG_OBJECT (bus, "[msg %p] delivered asynchronously", message);
g_mutex_free (lock);
g_cond_free (cond);
break;
}
default:
g_warning ("invalid return from bus sync handler");
break;
}
return TRUE;
/* ERRORS */
is_flushing:
{
GST_DEBUG_OBJECT (bus, "bus is flushing");
gst_message_unref (message);
GST_OBJECT_UNLOCK (bus);
return FALSE;
}
}
void eServiceMP3::gstBusCall(GstMessage *msg)
{
if (!msg)
return;
gchar *sourceName;
GstObject *source;
source = GST_MESSAGE_SRC(msg);
if (!GST_IS_OBJECT(source))
return;
sourceName = gst_object_get_name(source);
#if 0
gchar *string;
if (gst_message_get_structure(msg))
string = gst_structure_to_string(gst_message_get_structure(msg));
else
string = g_strdup(GST_MESSAGE_TYPE_NAME(msg));
eDebug("eTsRemoteSource::gst_message from %s: %s", sourceName, string);
g_free(string);
#endif
switch (GST_MESSAGE_TYPE (msg))
{
case GST_MESSAGE_EOS:
m_event((iPlayableService*)this, evEOF);
break;
case GST_MESSAGE_STATE_CHANGED:
{
if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
break;
GstState old_state, new_state;
gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
if(old_state == new_state)
break;
eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
switch(transition)
{
case GST_STATE_CHANGE_NULL_TO_READY:
{
} break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
{
GstElement *subsink = gst_bin_get_by_name(GST_BIN(m_gst_playbin), "subtitle_sink");
if (subsink)
{
#ifdef GSTREAMER_SUBTITLE_SYNC_MODE_BUG
/*
* HACK: disable sync mode for now, gstreamer suffers from a bug causing sparse streams to loose sync, after pause/resume / skip
* see: https://bugzilla.gnome.org/show_bug.cgi?id=619434
* Sideeffect of using sync=false is that we receive subtitle buffers (far) ahead of their
* display time.
* Not too far ahead for subtitles contained in the media container.
* But for external srt files, we could receive all subtitles at once.
* And not just once, but after each pause/resume / skip.
* So as soon as gstreamer has been fixed to keep sync in sparse streams, sync needs to be re-enabled.
*/
g_object_set (G_OBJECT (subsink), "sync", FALSE, NULL);
#endif
#if 0
/* we should not use ts-offset to sync with the decoder time, we have to do our own decoder timekeeping */
g_object_set (G_OBJECT (subsink), "ts-offset", -2L * GST_SECOND, NULL);
/* late buffers probably will not occur very often */
g_object_set (G_OBJECT (subsink), "max-lateness", 0L, NULL);
/* avoid prerolling (it might not be a good idea to preroll a sparse stream) */
g_object_set (G_OBJECT (subsink), "async", TRUE, NULL);
#endif
eDebug("eServiceMP3::subsink properties set!");
gst_object_unref(subsink);
}
setAC3Delay(ac3_delay);
setPCMDelay(pcm_delay);
} break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
{
if ( m_sourceinfo.is_streaming && m_streamingsrc_timeout )
m_streamingsrc_timeout->stop();
} break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
{
} break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
{
} break;
case GST_STATE_CHANGE_READY_TO_NULL:
{
} break;
}
break;
}
case GST_MESSAGE_ERROR:
{
gchar *debug;
GError *err;
gst_message_parse_error (msg, &err, &debug);
g_free (debug);
eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
if ( err->domain == GST_STREAM_ERROR )
{
if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
{
if ( g_strrstr(sourceName, "videosink") )
m_event((iPlayableService*)this, evUser+11);
else if ( g_strrstr(sourceName, "audiosink") )
m_event((iPlayableService*)this, evUser+10);
}
}
g_error_free(err);
break;
}
case GST_MESSAGE_INFO:
{
gchar *debug;
GError *inf;
gst_message_parse_info (msg, &inf, &debug);
g_free (debug);
if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
{
if ( g_strrstr(sourceName, "videosink") )
m_event((iPlayableService*)this, evUser+14);
}
g_error_free(inf);
break;
}
case GST_MESSAGE_TAG:
{
GstTagList *tags, *result;
gst_message_parse_tag(msg, &tags);
result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
if (result)
{
if (m_stream_tags)
gst_tag_list_free(m_stream_tags);
m_stream_tags = result;
}
const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
if ( gv_image )
{
GstBuffer *buf_image;
buf_image = gst_value_get_buffer (gv_image);
int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
close(fd);
eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
m_event((iPlayableService*)this, evUser+13);
}
gst_tag_list_free(tags);
m_event((iPlayableService*)this, evUpdatedInfo);
break;
}
case GST_MESSAGE_ASYNC_DONE:
{
if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
break;
GstTagList *tags;
gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
if ( n_video + n_audio <= 0 )
stop();
active_idx = 0;
m_audioStreams.clear();
m_subtitleStreams.clear();
for (i = 0; i < n_audio; i++)
{
audioStream audio;
gchar *g_codec, *g_lang;
GstPad* pad = 0;
g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
GstCaps* caps = gst_pad_get_negotiated_caps(pad);
if (!caps)
continue;
GstStructure* str = gst_caps_get_structure(caps, 0);
const gchar *g_type = gst_structure_get_name(str);
eDebug("AUDIO STRUCT=%s", g_type);
audio.type = gstCheckAudioPad(str);
g_codec = g_strdup(g_type);
g_lang = g_strdup_printf ("und");
g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
if ( tags && gst_is_tag_list(tags) )
{
gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
gst_tag_list_free(tags);
}
audio.language_code = std::string(g_lang);
audio.codec = std::string(g_codec);
eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
m_audioStreams.push_back(audio);
g_free (g_lang);
g_free (g_codec);
gst_caps_unref(caps);
}
for (i = 0; i < n_text; i++)
{
gchar *g_codec = NULL, *g_lang = NULL;
g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
subtitleStream subs;
g_lang = g_strdup_printf ("und");
if ( tags && gst_is_tag_list(tags) )
{
gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
gst_tag_list_get_string(tags, GST_TAG_SUBTITLE_CODEC, &g_codec);
gst_tag_list_free(tags);
}
subs.language_code = std::string(g_lang);
eDebug("eServiceMP3::subtitle stream=%i language=%s codec=%s", i, g_lang, g_codec);
GstPad* pad = 0;
g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
if ( pad )
g_signal_connect (G_OBJECT (pad), "notify::caps", G_CALLBACK (gstTextpadHasCAPS), this);
subs.type = getSubtitleType(pad, g_codec);
m_subtitleStreams.push_back(subs);
g_free (g_lang);
}
m_event((iPlayableService*)this, evUpdatedInfo);
if ( m_errorInfo.missing_codec != "" )
{
if ( m_errorInfo.missing_codec.find("video/") == 0 || ( m_errorInfo.missing_codec.find("audio/") == 0 && getNumberOfTracks() == 0 ) )
m_event((iPlayableService*)this, evUser+12);
}
break;
}
case GST_MESSAGE_ELEMENT:
{
if (const GstStructure *msgstruct = gst_message_get_structure(msg))
{
if ( gst_is_missing_plugin_message(msg) )
{
GstCaps *caps;
gst_structure_get (msgstruct, "detail", GST_TYPE_CAPS, &caps, NULL);
std::string codec = (const char*) gst_caps_to_string(caps);
gchar *description = gst_missing_plugin_message_get_description(msg);
if ( description )
{
eDebug("eServiceMP3::m_errorInfo.missing_codec = %s", codec.c_str());
m_errorInfo.error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
m_errorInfo.missing_codec = codec.substr(0,(codec.find_first_of(',')));
g_free(description);
}
gst_caps_unref(caps);
}
else
{
const gchar *eventname = gst_structure_get_name(msgstruct);
if ( eventname )
{
if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
{
gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
gst_structure_get_int (msgstruct, "width", &m_width);
gst_structure_get_int (msgstruct, "height", &m_height);
if (strstr(eventname, "Changed"))
m_event((iPlayableService*)this, evVideoSizeChanged);
}
else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
{
gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
if (strstr(eventname, "Changed"))
m_event((iPlayableService*)this, evVideoFramerateChanged);
}
else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
{
gst_structure_get_int (msgstruct, "progressive", &m_progressive);
if (strstr(eventname, "Changed"))
m_event((iPlayableService*)this, evVideoProgressiveChanged);
}
}
}
}
break;
}
case GST_MESSAGE_BUFFERING:
{
GstBufferingMode mode;
gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
m_event((iPlayableService*)this, evBuffering);
break;
}
case GST_MESSAGE_STREAM_STATUS:
{
GstStreamStatusType type;
GstElement *owner;
gst_message_parse_stream_status (msg, &type, &owner);
if ( type == GST_STREAM_STATUS_TYPE_CREATE && m_sourceinfo.is_streaming )
{
if ( GST_IS_PAD(source) )
owner = gst_pad_get_parent_element(GST_PAD(source));
else if ( GST_IS_ELEMENT(source) )
owner = GST_ELEMENT(source);
else
owner = 0;
if ( owner )
{
GstElementFactory *factory = gst_element_get_factory(GST_ELEMENT(owner));
const gchar *name = gst_plugin_feature_get_name(GST_PLUGIN_FEATURE(factory));
if (!strcmp(name, "souphttpsrc"))
{
m_streamingsrc_timeout->start(HTTP_TIMEOUT*1000, true);
g_object_set (G_OBJECT (owner), "timeout", HTTP_TIMEOUT, NULL);
eDebug("eServiceMP3::GST_STREAM_STATUS_TYPE_CREATE -> setting timeout on %s to %is", name, HTTP_TIMEOUT);
}
}
if ( GST_IS_PAD(source) )
gst_object_unref(owner);
}
break;
}
default:
break;
}
g_free (sourceName);
}
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;
ofLog(OF_LOG_VERBOSE,"GStreamer: Got %s message", GST_MESSAGE_TYPE_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(isStream && !bLoaded && appsink){
appsink->on_stream_prepared();
}
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 && !bLoaded && appsink){
appsink->on_stream_prepared();
}
/*seek_lock();
if(posChangingPaused && newstate==GST_STATE_PLAYING){
gst_element_set_state (gstPipeline, GST_STATE_PAUSED);
posChangingPaused=false;
}
seek_unlock();*/
ofLog(OF_LOG_VERBOSE,"GStreamer: 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;
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);
float loopSpeed;
if(pos>0)
loopSpeed=-speed;
else
loopSpeed=speed;
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:
ofLog(OF_LOG_VERBOSE,"GStreamer: unhandled message");
break;
}
gst_message_unref(msg);
}
gst_object_unref(GST_OBJECT(bus));
}
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;
}
/* Returns TRUE if processing should stop */
static gboolean
handle_message (GstDiscoverer * dc, GstMessage * msg)
{
gboolean done = FALSE;
GST_DEBUG_OBJECT (GST_MESSAGE_SRC (msg), "got a %s message",
GST_MESSAGE_TYPE_NAME (msg));
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_ERROR:{
GError *gerr;
gchar *debug;
gst_message_parse_error (msg, &gerr, &debug);
GST_WARNING_OBJECT (GST_MESSAGE_SRC (msg),
"Got an error [debug:%s], [message:%s]", debug, gerr->message);
dc->priv->current_error = gerr;
g_free (debug);
/* We need to stop */
done = TRUE;
GST_DEBUG ("Setting result to ERROR");
dc->priv->current_info->result = GST_DISCOVERER_ERROR;
}
break;
case GST_MESSAGE_EOS:
GST_DEBUG ("Got EOS !");
done = TRUE;
break;
case GST_MESSAGE_ASYNC_DONE:
if (GST_MESSAGE_SRC (msg) == (GstObject *) dc->priv->pipeline) {
GST_DEBUG ("Finished changing state asynchronously");
done = TRUE;
}
break;
case GST_MESSAGE_ELEMENT:
{
GQuark sttype = gst_structure_get_name_id (msg->structure);
GST_DEBUG_OBJECT (GST_MESSAGE_SRC (msg),
"structure %" GST_PTR_FORMAT, msg->structure);
if (sttype == _MISSING_PLUGIN_QUARK) {
GST_DEBUG_OBJECT (GST_MESSAGE_SRC (msg),
"Setting result to MISSING_PLUGINS");
dc->priv->current_info->result = GST_DISCOVERER_MISSING_PLUGINS;
dc->priv->current_info->misc = gst_structure_copy (msg->structure);
} else if (sttype == _STREAM_TOPOLOGY_QUARK) {
dc->priv->current_topology = gst_structure_copy (msg->structure);
}
}
break;
case GST_MESSAGE_TAG:
{
GstTagList *tl, *tmp;
gst_message_parse_tag (msg, &tl);
GST_DEBUG_OBJECT (GST_MESSAGE_SRC (msg), "Got tags %" GST_PTR_FORMAT, tl);
/* Merge with current tags */
tmp =
gst_tag_list_merge (dc->priv->current_info->tags, tl,
GST_TAG_MERGE_APPEND);
gst_tag_list_free (tl);
if (dc->priv->current_info->tags)
gst_tag_list_free (dc->priv->current_info->tags);
dc->priv->current_info->tags = tmp;
GST_DEBUG_OBJECT (GST_MESSAGE_SRC (msg), "Current info %p, tags %"
GST_PTR_FORMAT, dc->priv->current_info, tmp);
}
break;
default:
break;
}
return done;
}
//static
gboolean LLMediaImplGStreamer::bus_callback(GstBus *bus, GstMessage *message, gpointer data)
{
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaCallback") << "Got GST message type: " << GST_MESSAGE_TYPE_NAME (message) << LL_ENDL;
#endif
LLMediaImplGStreamer *impl = (LLMediaImplGStreamer*)data;
switch (GST_MESSAGE_TYPE (message))
{
case GST_MESSAGE_BUFFERING:
{
gint percent = 0;
gst_message_parse_buffering(message, &percent);
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaBuffering") << "GST buffering: " << percent << "%%" << LL_ENDL;
#endif
LLMediaEvent event( impl, percent );
impl->getEventEmitter().update( &LLMediaObserver::onUpdateProgress, event );
}
break;
case GST_MESSAGE_STATE_CHANGED:
{
GstState old_state;
GstState new_state;
GstState pending_state;
gst_message_parse_state_changed(message,
&old_state,
&new_state,
&pending_state);
#ifdef LL_GST_REPORT_STATE_CHANGES
// not generally very useful, and rather spammy.
LL_DEBUGS("MediaState") << "GST state change (old,<new>,pending): "<< get_gst_state_name(old_state) << ",<" << get_gst_state_name(new_state) << ">," << get_gst_state_name(pending_state) << LL_ENDL;
#endif // LL_GST_REPORT_STATE_CHANGES
switch (new_state)
{
case GST_STATE_VOID_PENDING:
break;
case GST_STATE_NULL:
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaImpl") << "State changed to NULL" << LL_ENDL;
#endif
if (impl->getState() == GST_STATE_PLAYING)
{
// Stream was probably dropped, trying to restart
impl->play();
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaImpl") << "Trying to restart." << LL_ENDL;
#endif
}
break;
case GST_STATE_READY:
break;
case GST_STATE_PAUSED:
break;
case GST_STATE_PLAYING:
//impl->mLastTitle = "";
LLMediaEvent event( impl, 100 );
impl->getEventEmitter().update( &LLMediaObserver::onUpdateProgress, event );
// emit an event to say that a media source was loaded
LLMediaEvent event2( impl );
impl->getEventEmitter().update( &LLMediaObserver::onMediaLoaded, event2 );
break;
}
break;
}
case GST_MESSAGE_ERROR:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_error (message, &err, &debug);
LL_WARNS("MediaImpl") << "GST Error: " << err->message << LL_ENDL;
g_error_free (err);
g_free (debug);
impl->addCommand(LLMediaBase::COMMAND_STOP);
//impl->addCommand(LLMediaBase::COMMAND_START);
break;
}
case GST_MESSAGE_INFO:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_info (message, &err, &debug);
LL_INFOS("MediaImpl") << "GST info: " << err->message
<< LL_ENDL;
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_WARNING:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_warning (message, &err, &debug);
LL_WARNS("MediaImpl") << "GST warning: " << err->message
<< LL_ENDL;
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_TAG:
{
GstTagList *new_tags;
gst_message_parse_tag( message, &new_tags );
gchar *title;
if ( gst_tag_list_get_string(new_tags, GST_TAG_TITLE, &title) )
{
LL_INFOS("MediaInfo") << "Title: " << title << LL_ENDL;
std::string newtitle(title);
gst_tag_list_free(new_tags);
if ( newtitle != impl->mLastTitle && newtitle != "" )
{
impl->mLastTitle = newtitle;
LLMediaEvent event( impl, impl->mLastTitle );
impl->getEventEmitter().update( &LLMediaObserver::onMediaTitleChange, event );
}
g_free(title);
}
break;
}
case GST_MESSAGE_EOS:
{
/* end-of-stream */
LL_DEBUGS("MediaImpl") << "GST end-of-stream." << LL_ENDL;
if (impl->isLooping())
{
LL_DEBUGS("MediaImpl") << "looping media..." << LL_ENDL;
impl->stop();
impl->play();
}
else
{
// inject a COMMAND_STOP
impl->addCommand(LLMediaBase::COMMAND_STOP);
}
break;
}
default:
/* unhandled message */
break;
}
/* we want to be notified again the next time there is a message
* on the bus, so return true (false means we want to stop watching
* for messages on the bus and our callback should not be called again)
*/
return TRUE;
}
QString Message::typeName() const
{
return QString::fromUtf8(GST_MESSAGE_TYPE_NAME(object<GstMessage>()));
}
gboolean
MediaPluginGStreamer010::processGSTEvents(GstBus *bus,
GstMessage *message)
{
if (!message)
return TRUE; // shield against GStreamer bug
if (GST_MESSAGE_TYPE(message) != GST_MESSAGE_STATE_CHANGED &&
GST_MESSAGE_TYPE(message) != GST_MESSAGE_BUFFERING)
{
DEBUGMSG("Got GST message type: %s",
GST_MESSAGE_TYPE_NAME (message));
}
else
{
// TODO: grok 'duration' message type
DEBUGMSG("Got GST message type: %s",
GST_MESSAGE_TYPE_NAME (message));
}
switch (GST_MESSAGE_TYPE (message))
{
case GST_MESSAGE_BUFFERING:
{
// NEEDS GST 0.10.11+ and America discovered by C.Columbus
gint percent = 0;
gst_message_parse_buffering(message, &percent);
DEBUGMSG("GST buffering: %d%%", percent);
break;
}
case GST_MESSAGE_STATE_CHANGED: {
GstState old_state;
GstState new_state;
GstState pending_state;
gst_message_parse_state_changed(message,
&old_state,
&new_state,
&pending_state);
#ifdef LL_GST_REPORT_STATE_CHANGES
// not generally very useful, and rather spammy.
DEBUGMSG("state change (old,<new>,pending): %s,<%s>,%s",
get_gst_state_name(old_state),
get_gst_state_name(new_state),
get_gst_state_name(pending_state));
#endif // LL_GST_REPORT_STATE_CHANGES
switch (new_state)
{
case GST_STATE_VOID_PENDING:
break;
case GST_STATE_NULL:
break;
case GST_STATE_READY:
setStatus(STATUS_LOADED);
break;
case GST_STATE_PAUSED:
setStatus(STATUS_PAUSED);
break;
case GST_STATE_PLAYING:
setStatus(STATUS_PLAYING);
break;
}
break;
}
case GST_MESSAGE_ERROR:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_error (message, &err, &debug);
WARNMSG("GST error: %s", err?err->message:"(unknown)");
if (err)
g_error_free (err);
g_free (debug);
mCommand = COMMAND_STOP;
setStatus(STATUS_ERROR);
break;
}
case GST_MESSAGE_INFO:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_info (message, &err, &debug);
INFOMSG("GST info: %s", err?err->message:"(unknown)");
if (err)
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_WARNING:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_warning (message, &err, &debug);
WARNMSG("GST warning: %s", err?err->message:"(unknown)");
if (err)
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_TAG:
{
GstTagList *new_tags;
gst_message_parse_tag( message, &new_tags );
gchar *title = NULL;
if ( gst_tag_list_get_string(new_tags, GST_TAG_TITLE, &title) )
{
//WARMING("Title: %s", title);
std::string newtitle(title);
gst_tag_list_free(new_tags);
if ( newtitle != mLastTitle && !newtitle.empty() )
{
LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text");
message.setValue("name", newtitle );
sendMessage( message );
mLastTitle = newtitle;
}
g_free(title);
}
break;
}
case GST_MESSAGE_EOS:
{
/* end-of-stream */
DEBUGMSG("GST end-of-stream.");
if (mIsLooping)
{
DEBUGMSG("looping media...");
double eos_pos_sec = 0.0F;
bool got_eos_position = getTimePos(eos_pos_sec);
if (got_eos_position && eos_pos_sec < MIN_LOOP_SEC)
{
// if we know that the movie is really short, don't
// loop it else it can easily become a time-hog
// because of GStreamer spin-up overhead
DEBUGMSG("really short movie (%0.3fsec) - not gonna loop this, pausing instead.", eos_pos_sec);
// inject a COMMAND_PAUSE
mCommand = COMMAND_PAUSE;
}
else
{
#undef LLGST_LOOP_BY_SEEKING
// loop with a stop-start instead of a seek, because it actually seems rather
// faster than seeking on remote streams.
#ifdef LLGST_LOOP_BY_SEEKING
// first, try looping by an explicit rewind
bool seeksuccess = seek(0.0);
if (seeksuccess)
{
play(1.0);
}
else
#endif // LLGST_LOOP_BY_SEEKING
{ // use clumsy stop-start to loop
DEBUGMSG("didn't loop by rewinding - stopping and starting instead...");
stop();
play(1.0);
}
}
}
else // not a looping media
{
// inject a COMMAND_STOP
mCommand = COMMAND_STOP;
}
} break;
default:
/* unhandled message */
break;
}
/* we want to be notified again the next time there is a message
* on the bus, so return true (false means we want to stop watching
* for messages on the bus and our callback should not be called again)
*/
return TRUE;
}
static gboolean
gst_PlayRegion_handle_message (GstBus * bus, GstMessage * message, gpointer data)
{
GstPlayRegion *PlayRegion = (GstPlayRegion *) data;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_APPLICATION:
if (gst_message_has_name (message, "ExPrerolled")) {
/* it's our message */
g_print ("we are all prerolled, do seek\n");
gst_element_seek (PlayRegion->pipeline,
1.0, GST_FORMAT_TIME,
GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE,
GST_SEEK_TYPE_SET, 2 * GST_SECOND,
GST_SEEK_TYPE_SET, 5 * GST_SECOND);
gst_element_set_state (PlayRegion->pipeline, GST_STATE_PLAYING);
}
break;
case GST_MESSAGE_EOS:
gst_PlayRegion_handle_eos (PlayRegion);
break;
case GST_MESSAGE_ERROR:
{
GError *error = NULL;
gchar *debug;
gst_message_parse_error (message, &error, &debug);
gst_PlayRegion_handle_error (PlayRegion, error, debug);
}
break;
case GST_MESSAGE_WARNING:
{
GError *error = NULL;
gchar *debug;
gst_message_parse_warning (message, &error, &debug);
gst_PlayRegion_handle_warning (PlayRegion, error, debug);
}
break;
case GST_MESSAGE_INFO:
{
GError *error = NULL;
gchar *debug;
gst_message_parse_info (message, &error, &debug);
gst_PlayRegion_handle_info (PlayRegion, error, debug);
}
break;
case GST_MESSAGE_TAG:
{
GstTagList *tag_list;
gst_message_parse_tag (message, &tag_list);
if (verbose)
g_print ("tag\n");
}
break;
case GST_MESSAGE_STATE_CHANGED:
{
GstState oldstate, newstate, pending;
gst_message_parse_state_changed (message, &oldstate, &newstate, &pending);
if (GST_ELEMENT (message->src) == PlayRegion->pipeline) {
if (verbose)
g_print ("state change from %s to %s\n",
gst_element_state_get_name (oldstate),
gst_element_state_get_name (newstate));
switch (GST_STATE_TRANSITION (oldstate, newstate)) {
case GST_STATE_CHANGE_NULL_TO_READY:
gst_PlayRegion_handle_null_to_ready (PlayRegion);
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_PlayRegion_handle_ready_to_paused (PlayRegion);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
gst_PlayRegion_handle_paused_to_playing (PlayRegion);
break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
gst_PlayRegion_handle_playing_to_paused (PlayRegion);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_PlayRegion_handle_paused_to_ready (PlayRegion);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_PlayRegion_handle_ready_to_null (PlayRegion);
break;
default:
if (verbose)
g_print ("unknown state change from %s to %s\n",
gst_element_state_get_name (oldstate),
gst_element_state_get_name (newstate));
}
}
}
break;
case GST_MESSAGE_BUFFERING:
{
int percent;
gst_message_parse_buffering (message, &percent);
//g_print("buffering %d\n", percent);
if (!PlayRegion->paused_for_buffering && percent < 100) {
g_print ("pausing for buffing\n");
PlayRegion->paused_for_buffering = TRUE;
gst_element_set_state (PlayRegion->pipeline, GST_STATE_PAUSED);
} else if (PlayRegion->paused_for_buffering && percent == 100) {
g_print ("unpausing for buffing\n");
PlayRegion->paused_for_buffering = FALSE;
gst_element_set_state (PlayRegion->pipeline, GST_STATE_PLAYING);
}
}
break;
case GST_MESSAGE_STATE_DIRTY:
case GST_MESSAGE_CLOCK_PROVIDE:
case GST_MESSAGE_CLOCK_LOST:
case GST_MESSAGE_NEW_CLOCK:
case GST_MESSAGE_STRUCTURE_CHANGE:
case GST_MESSAGE_STREAM_STATUS:
break;
case GST_MESSAGE_STEP_DONE:
case GST_MESSAGE_ELEMENT:
case GST_MESSAGE_SEGMENT_START:
case GST_MESSAGE_SEGMENT_DONE:
case GST_MESSAGE_DURATION:
case GST_MESSAGE_LATENCY:
case GST_MESSAGE_ASYNC_START:
case GST_MESSAGE_ASYNC_DONE:
case GST_MESSAGE_REQUEST_STATE:
case GST_MESSAGE_STEP_START:
case GST_MESSAGE_QOS:
default:
if (verbose) {
g_print ("message: %s\n", GST_MESSAGE_TYPE_NAME (message));
}
break;
}
return TRUE;
}
/**
* 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;
}
static gboolean
bus_message (GstBus * bus, GstMessage * message, App * app)
{
gchar *sourceName;
GstObject *source;
gchar *string;
GstState current_state;
if (!message)
return FALSE;
source = GST_MESSAGE_SRC (message);
if (!GST_IS_OBJECT (source))
return FALSE;
sourceName = gst_object_get_name (source);
if (gst_message_get_structure (message))
string = gst_structure_to_string (gst_message_get_structure (message));
else
string = g_strdup (GST_MESSAGE_TYPE_NAME (message));
GST_DEBUG("gst_message from %s: %s", sourceName, string);
g_free (string);
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR:
{
GError *gerror;
gchar *debug;
gst_message_parse_error (message, &gerror, &debug);
gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
g_error_free (gerror);
g_free (debug);
g_main_loop_quit (app->loop);
break;
}
case GST_MESSAGE_WARNING:
{
GError *gerror;
gchar *debug;
gst_message_parse_warning (message, &gerror, &debug);
gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
g_error_free (gerror);
g_free (debug);
// g_main_loop_quit (app->loop);
break;
}
case GST_MESSAGE_EOS:
g_message ("received EOS");
g_main_loop_quit (app->loop);
break;
case GST_MESSAGE_ASYNC_DONE:
break;
case GST_MESSAGE_ELEMENT:
{
const GstStructure *msgstruct = gst_message_get_structure (message);
if (msgstruct) {
const gchar *eventname = gst_structure_get_name (msgstruct);
if (!strcmp (eventname, "seekable"))
app->is_seekable = TRUE;
}
break;
}
case GST_MESSAGE_STATE_CHANGED:
{
GstState old_state, new_state;
GstStateChange transition;
if (GST_MESSAGE_SRC (message) != GST_OBJECT (app->tsdemux))
break;
gst_message_parse_state_changed (message, &old_state, &new_state, NULL);
transition = (GstStateChange) GST_STATE_TRANSITION (old_state, new_state);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
{
}
break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
}
break;
}
case GST_MESSAGE_SEGMENT_DONE:
{
GST_DEBUG ("GST_MESSAGE_SEGMENT_DONE!!!");
do_seek (app);
}
default:
break;
}
gst_element_get_state (app->pipeline, ¤t_state, NULL, 0);
if (app->current_segment == 0 && app->segment_count /*&& app->is_seekable*/
&& current_state == GST_STATE_PLAYING)
do_seek (app);
GST_DEBUG_BIN_TO_DOT_FILE(GST_BIN(app->pipeline),GST_DEBUG_GRAPH_SHOW_ALL,"bdremux_pipelinegraph_message");
return TRUE;
}
// ----------------------------------------------------------------------------
// Retrieve and process a bus message
bool
GStreamerImportFileHandle::ProcessBusMessage(bool & success)
{
bool cont = true;
// Default to no errors
success = true;
// Get the next message
GstMessage *msg = gst_bus_timed_pop(mBus, 100 * GST_MSECOND);
if (!msg)
{
// Timed out...not an error
return cont;
}
#if defined(__WXDEBUG__)
gchar *objname = NULL;
if (msg->src != NULL)
{
objname = gst_object_get_name(msg->src);
}
wxLogMessage(wxT("GStreamer: Got %s%s%s"),
wxString::FromUTF8(GST_MESSAGE_TYPE_NAME(msg)).c_str(),
objname ? wxT(" from ") : wxT(""),
objname ? wxString::FromUTF8(objname).c_str() : wxT(""));
if (objname != NULL)
{
g_free(objname);
}
#endif
// Handle based on message type
switch (GST_MESSAGE_TYPE(msg))
{
// Handle error message from gstreamer
case GST_MESSAGE_ERROR:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_error(msg, &err, &debug);
if (err)
{
wxString m;
m.Printf(wxT("%s%s%s"),
wxString::FromUTF8(err->message).c_str(),
debug ? wxT("\n") : wxT(""),
debug ? wxString::FromUTF8(debug).c_str() : wxT(""));
#if defined(_DEBUG)
wxMessageBox(m, wxT("GStreamer Error:"));
#else
wxLogMessage(wxT("GStreamer Error: %s"), m.c_str());
#endif
g_error_free(err);
}
if (debug)
{
g_free(debug);
}
success = false;
cont = false;
}
break;
// Handle warning message from gstreamer
case GST_MESSAGE_WARNING:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_warning(msg, &err, &debug);
if (err)
{
wxLogMessage(wxT("GStreamer Warning: %s%s%s"),
wxString::FromUTF8(err->message).c_str(),
debug ? wxT("\n") : wxT(""),
debug ? wxString::FromUTF8(debug).c_str() : wxT(""));
g_error_free(err);
}
if (debug)
{
g_free(debug);
}
}
break;
// Handle warning message from gstreamer
case GST_MESSAGE_INFO:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_info(msg, &err, &debug);
if (err)
{
wxLogMessage(wxT("GStreamer Info: %s%s%s"),
wxString::FromUTF8(err->message).c_str(),
debug ? wxT("\n") : wxT(""),
debug ? wxString::FromUTF8(debug).c_str() : wxT(""));
g_error_free(err);
}
if (debug)
{
g_free(debug);
}
}
break;
// Handle metadata tags
case GST_MESSAGE_TAG:
{
GstTagList *tags = NULL;
// Retrieve tag list from message...just ignore failure
gst_message_parse_tag(msg, &tags);
if (tags)
{
// Go process the list
OnTag(GST_APP_SINK(GST_MESSAGE_SRC(msg)), tags);
// Done with list
gst_tag_list_unref(tags);
}
}
break;
// Pre-roll is done...will happen for each group
// (like with chained OGG files)
case GST_MESSAGE_ASYNC_DONE:
{
// If this is the first async-done message, then tell
// caller to end loop, but leave it active so that
// gstreamer threads can still queue up.
//
// We'll receive multiple async-done messages for chained
// ogg files, so ignore the message the 2nd and subsequent
// occurrences.
if (!mAsyncDone)
{
cont = false;
mAsyncDone = true;
}
}
break;
// End of the stream (and all sub-streams)
case GST_MESSAGE_EOS:
{
// Terminate loop
cont = false;
}
break;
}
// Release the message
gst_message_unref(msg);
return cont;
}
static gboolean
gst_switchui_handle_message (GstBus * bus, GstMessage * message, gpointer data)
{
GstSwitchUI *switchui = (GstSwitchUI *) data;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_EOS:
gst_switchui_handle_eos (switchui);
break;
case GST_MESSAGE_ERROR:
{
GError *error = NULL;
gchar *debug;
gst_message_parse_error (message, &error, &debug);
gst_switchui_handle_error (switchui, error, debug);
}
break;
case GST_MESSAGE_WARNING:
{
GError *error = NULL;
gchar *debug;
gst_message_parse_warning (message, &error, &debug);
gst_switchui_handle_warning (switchui, error, debug);
}
break;
case GST_MESSAGE_INFO:
{
GError *error = NULL;
gchar *debug;
gst_message_parse_info (message, &error, &debug);
gst_switchui_handle_info (switchui, error, debug);
}
break;
case GST_MESSAGE_TAG:
{
GstTagList *tag_list;
gst_message_parse_tag (message, &tag_list);
if (verbose)
g_print ("tag\n");
}
break;
case GST_MESSAGE_STATE_CHANGED:
{
GstState oldstate, newstate, pending;
gst_message_parse_state_changed (message, &oldstate, &newstate, &pending);
if (GST_ELEMENT (message->src) == switchui->pipeline) {
if (verbose)
g_print ("state change from %s to %s\n",
gst_element_state_get_name (oldstate),
gst_element_state_get_name (newstate));
switch (GST_STATE_TRANSITION (oldstate, newstate)) {
case GST_STATE_CHANGE_NULL_TO_READY:
gst_switchui_handle_null_to_ready (switchui);
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_switchui_handle_ready_to_paused (switchui);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
gst_switchui_handle_paused_to_playing (switchui);
break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
gst_switchui_handle_playing_to_paused (switchui);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_switchui_handle_paused_to_ready (switchui);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_switchui_handle_ready_to_null (switchui);
break;
default:
if (verbose)
g_print ("unknown state change from %s to %s\n",
gst_element_state_get_name (oldstate),
gst_element_state_get_name (newstate));
}
}
}
break;
case GST_MESSAGE_BUFFERING:
{
int percent;
gst_message_parse_buffering (message, &percent);
//g_print("buffering %d\n", percent);
if (!switchui->paused_for_buffering && percent < 100) {
g_print ("pausing for buffing\n");
switchui->paused_for_buffering = TRUE;
gst_element_set_state (switchui->pipeline, GST_STATE_PAUSED);
} else if (switchui->paused_for_buffering && percent == 100) {
g_print ("unpausing for buffing\n");
switchui->paused_for_buffering = FALSE;
gst_element_set_state (switchui->pipeline, GST_STATE_PLAYING);
}
}
break;
case GST_MESSAGE_STATE_DIRTY:
case GST_MESSAGE_CLOCK_PROVIDE:
case GST_MESSAGE_CLOCK_LOST:
case GST_MESSAGE_NEW_CLOCK:
case GST_MESSAGE_STRUCTURE_CHANGE:
case GST_MESSAGE_STREAM_STATUS:
break;
case GST_MESSAGE_STEP_DONE:
case GST_MESSAGE_APPLICATION:
case GST_MESSAGE_ELEMENT:
case GST_MESSAGE_SEGMENT_START:
case GST_MESSAGE_SEGMENT_DONE:
//case GST_MESSAGE_DURATION:
case GST_MESSAGE_LATENCY:
case GST_MESSAGE_ASYNC_START:
case GST_MESSAGE_ASYNC_DONE:
case GST_MESSAGE_REQUEST_STATE:
case GST_MESSAGE_STEP_START:
case GST_MESSAGE_QOS:
default:
if (verbose) {
g_print ("message: %s\n", GST_MESSAGE_TYPE_NAME (message));
}
break;
}
return TRUE;
}
/**
* 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;
}
