void NWaveformBuilderGstreamer::update()
{
GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(m_playbin));
GstMessage *msg = gst_bus_pop_filtered(bus, GstMessageType(GST_MESSAGE_EOS | GST_MESSAGE_ERROR));
if (msg) {
switch (GST_MESSAGE_TYPE(msg)) {
case GST_MESSAGE_EOS:
peaks()->complete();
#if defined(QT_DEBUG) && !defined(QT_NO_DEBUG)
qDebug() << "WaveformBuilder ::" << "completed" << peaks()->size();
#endif
stop();
break;
case GST_MESSAGE_ERROR:
#if defined(QT_DEBUG) && !defined(QT_NO_DEBUG)
gchar *debug;
GError *err = NULL;
gst_message_parse_error(msg, &err, &debug);
g_free(debug);
qWarning() << "WaveformBuilder :: error ::" << QString::fromUtf8(err->message);
if (err)
g_error_free(err);
#endif
break;
default:
break;
}
gst_message_unref(msg);
}
gst_object_unref(bus);
}
static void
check_get_dtmf_event_message (GstBus * bus, gint number, gint volume)
{
GstMessage *message;
gboolean have_message = FALSE;
while (!have_message &&
(message = gst_bus_pop_filtered (bus, GST_MESSAGE_ELEMENT)) != NULL) {
if (gst_message_has_name (message, "dtmf-event")) {
const GstStructure *s = gst_message_get_structure (message);
gint stype, snumber, smethod, svolume;
fail_unless (gst_structure_get (s,
"type", G_TYPE_INT, &stype,
"number", G_TYPE_INT, &snumber,
"method", G_TYPE_INT, &smethod,
"volume", G_TYPE_INT, &svolume, NULL));
fail_unless (stype == 1);
fail_unless (smethod == 1);
fail_unless (snumber == number);
fail_unless (svolume == volume);
have_message = TRUE;
}
gst_message_unref (message);
}
fail_unless (have_message);
}
CAMLprim value ocaml_gstreamer_bus_pop_filtered(value _bus, value _filter)
{
CAMLparam2(_bus, _filter);
CAMLlocal1(ans);
GstBus *bus = Bus_val(_bus);
GstMessageType filter = 0;
GstMessage *msg;
int i;
for(i = 0; i < Wosize_val(_filter); i++)
filter |= message_type_of_int(Int_val(Field(_filter, i)));
caml_release_runtime_system();
msg = gst_bus_pop_filtered(bus, filter);
caml_acquire_runtime_system();
if(!msg)
ans = Val_int(0);
else
{
ans = caml_alloc_tuple(1);
Store_field(ans, 0, value_of_message(msg));
}
CAMLreturn(ans);
}
bool tcStreamWrapper::end_of_stream()
{
if(mpPLine == NULL)
return false;
#ifndef WIN32
return mpPLine->endofstream;
#else
// Windows Qt doesn't hook into the gst main loop
// so we need to poll it and see if there is an
// end of line message posted
GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(mpPLine->pipeline));
return gst_bus_pop_filtered(bus, GST_MESSAGE_EOS) != NULL;
#endif
}
static void
check_no_dtmf_event_message (GstBus * bus)
{
GstMessage *message;
gboolean have_message = FALSE;
while (!have_message &&
(message = gst_bus_pop_filtered (bus, GST_MESSAGE_ELEMENT)) != NULL) {
if (gst_message_has_name (message, "dtmf-event") ||
gst_message_has_name (message, "dtmf-event-processed") ||
gst_message_has_name (message, "dtmf-event-dropped")) {
have_message = TRUE;
}
gst_message_unref (message);
}
fail_unless (!have_message);
}
/*
* cheese_camera_device_get_caps:
* @device: a #CheeseCameraDevice
*
* Probe the #GstCaps that the @device supports.
*/
static void
cheese_camera_device_get_caps (CheeseCameraDevice *device)
{
CheeseCameraDevicePrivate *priv = device->priv;
gchar *pipeline_desc;
GstElement *pipeline;
GstStateChangeReturn ret;
GstMessage *msg;
GstBus *bus;
GError *err = NULL;
pipeline_desc = g_strdup_printf ("%s name=source device=%s ! fakesink",
priv->src, priv->device_node);
pipeline = gst_parse_launch (pipeline_desc, &err);
if ((pipeline != NULL) && (err == NULL))
{
/* Start the pipeline and wait for max. 10 seconds for it to start up */
gst_element_set_state (pipeline, GST_STATE_READY);
ret = gst_element_get_state (pipeline, NULL, NULL, 10 * GST_SECOND);
/* Check if any error messages were posted on the bus */
bus = gst_element_get_bus (pipeline);
msg = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR);
gst_object_unref (bus);
if ((msg == NULL) && (ret == GST_STATE_CHANGE_SUCCESS))
{
GstElement *src;
GstPad *pad;
GstCaps *caps;
src = gst_bin_get_by_name (GST_BIN (pipeline), "source");
GST_LOG ("Device: %s (%s)\n", priv->name, priv->device_node);
pad = gst_element_get_static_pad (src, "src");
caps = gst_pad_get_allowed_caps (pad);
gst_caps_unref (priv->caps);
priv->caps = cheese_camera_device_filter_caps (device, caps, supported_formats);
if (!gst_caps_is_empty (priv->caps))
cheese_camera_device_update_format_table (device);
else
{
g_set_error_literal (&priv->construct_error,
CHEESE_CAMERA_DEVICE_ERROR,
CHEESE_CAMERA_DEVICE_ERROR_UNSUPPORTED_CAPS,
_("Device capabilities not supported"));
}
gst_object_unref (pad);
gst_caps_unref (caps);
gst_object_unref (src);
}
else
{
if (msg)
{
gchar *dbg_info = NULL;
gst_message_parse_error (msg, &err, &dbg_info);
GST_WARNING ("Failed to start the capability probing pipeline");
GST_WARNING ("Error from element %s: %s, %s",
GST_OBJECT_NAME (msg->src),
err->message,
(dbg_info) ? dbg_info : "no extra debug detail");
g_error_free (err);
err = NULL;
/* construct_error is meant to be displayed in the UI
* (although it currently isn't displayed in cheese),
* err->message from gstreamer is too technical for this
* purpose, the idea is warn the user about an error and point
* him to the logs for more info */
g_set_error (&priv->construct_error,
CHEESE_CAMERA_DEVICE_ERROR,
CHEESE_CAMERA_DEVICE_ERROR_FAILED_INITIALIZATION,
_("Failed to initialize device %s for capability probing"),
priv->device_node);
}
}
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
}
if (err)
g_error_free (err);
g_free (pipeline_desc);
}
static GstElement *
gst_auto_video_src_find_best (GstAutoVideoSrc * src)
{
GList *list, *item;
GstElement *choice = NULL;
GstMessage *message = NULL;
GSList *errors = NULL;
GstBus *bus = gst_bus_new ();
GstPad *el_pad = NULL;
GstCaps *el_caps = NULL, *intersect = NULL;
gboolean no_match = TRUE;
list = gst_registry_feature_filter (gst_registry_get_default (),
(GstPluginFeatureFilter) gst_auto_video_src_factory_filter, FALSE, src);
list = g_list_sort (list, (GCompareFunc) gst_auto_video_src_compare_ranks);
GST_LOG_OBJECT (src, "Trying to find usable video devices ...");
for (item = list; item != NULL; item = item->next) {
GstElementFactory *f = GST_ELEMENT_FACTORY (item->data);
GstElement *el;
if ((el = gst_auto_video_src_create_element_with_pretty_name (src, f))) {
GstStateChangeReturn ret;
GST_DEBUG_OBJECT (src, "Testing %s", GST_PLUGIN_FEATURE (f)->name);
/* If AutoVideoSrc has been provided with filter caps,
* accept only sources that match with the filter caps */
if (src->filter_caps) {
el_pad = gst_element_get_static_pad (GST_ELEMENT (el), "src");
el_caps = gst_pad_get_caps (el_pad);
gst_object_unref (el_pad);
GST_DEBUG_OBJECT (src,
"Checking caps: %" GST_PTR_FORMAT " vs. %" GST_PTR_FORMAT,
src->filter_caps, el_caps);
intersect = gst_caps_intersect (src->filter_caps, el_caps);
no_match = gst_caps_is_empty (intersect);
gst_caps_unref (el_caps);
gst_caps_unref (intersect);
if (no_match) {
GST_DEBUG_OBJECT (src, "Incompatible caps");
gst_object_unref (el);
continue;
} else {
GST_DEBUG_OBJECT (src, "Found compatible caps");
}
}
gst_element_set_bus (el, bus);
ret = gst_element_set_state (el, GST_STATE_READY);
if (ret == GST_STATE_CHANGE_SUCCESS) {
GST_DEBUG_OBJECT (src, "This worked!");
choice = el;
break;
}
/* collect all error messages */
while ((message = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR))) {
GST_DEBUG_OBJECT (src, "error message %" GST_PTR_FORMAT, message);
errors = g_slist_append (errors, message);
}
gst_element_set_state (el, GST_STATE_NULL);
gst_object_unref (el);
}
}
GST_DEBUG_OBJECT (src, "done trying");
if (!choice) {
if (errors) {
/* FIXME: we forward the first error for now; but later on it might make
* sense to actually analyse them */
gst_message_ref (GST_MESSAGE (errors->data));
GST_DEBUG_OBJECT (src, "reposting message %p", errors->data);
gst_element_post_message (GST_ELEMENT (src), GST_MESSAGE (errors->data));
} else {
/* send warning message to application and use a fakesrc */
GST_ELEMENT_WARNING (src, RESOURCE, NOT_FOUND, (NULL),
("Failed to find a usable video source"));
choice = gst_element_factory_make ("fakesrc", "fake-video-src");
if (g_object_class_find_property (G_OBJECT_GET_CLASS (choice), "sync"))
g_object_set (choice, "sync", TRUE, NULL);
gst_element_set_state (choice, GST_STATE_READY);
}
}
gst_object_unref (bus);
gst_plugin_feature_list_free (list);
g_slist_foreach (errors, (GFunc) gst_mini_object_unref, NULL);
g_slist_free (errors);
return choice;
}
void NPlaybackEngineGStreamer::checkStatus()
{
GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(m_playbin));
GstMessage *msg;
while ((msg = gst_bus_pop_filtered(bus, GstMessageType(GST_MESSAGE_EOS | GST_MESSAGE_ERROR))) != NULL) {
switch (GST_MESSAGE_TYPE(msg)) {
case GST_MESSAGE_EOS: {
stop();
emit finished();
emit stateChanged(m_oldState = N::PlaybackStopped);
break;
}
case GST_MESSAGE_ERROR: {
gchar *debug;
GError *err = NULL;
gst_message_parse_error(msg, &err, &debug);
g_free(debug);
emit message(QMessageBox::Critical, QFileInfo(m_currentMedia).absoluteFilePath(), err ? QString::fromUtf8(err->message) : "unknown error");
fail();
if (err)
g_error_free(err);
break;
}
default:
break;
}
gst_message_unref(msg);
}
gst_object_unref(bus);
GstState gstState;
if (gst_element_get_state(m_playbin, &gstState, NULL, 0) != GST_STATE_CHANGE_SUCCESS)
return;
N::PlaybackState state = fromGstState(gstState);
if (m_oldState != state)
emit stateChanged(m_oldState = state);
if (state == N::PlaybackPlaying || state == N::PlaybackPaused) {
// duration may change for some reason
// TODO use DURATION_CHANGED in gstreamer1.0
gboolean res = gst_element_query_duration(m_playbin, GST_FORMAT_TIME, &m_durationNsec);
if (!res)
m_durationNsec = 0;
}
if (m_posponedPosition >= 0 && m_durationNsec > 0) {
setPosition(m_posponedPosition);
m_posponedPosition = -1;
emit positionChanged(m_posponedPosition);
} else {
qreal pos;
gint64 gstPos = 0;
if (!hasMedia() || m_durationNsec <= 0) {
pos = -1;
} else {
gboolean res = gst_element_query_position(m_playbin, GST_FORMAT_TIME, &gstPos);
if (!res)
gstPos = 0;
pos = (qreal)gstPos / m_durationNsec;
}
if (m_oldPosition != pos) {
if (m_oldPosition > pos)
m_crossfading = false;
m_oldPosition = pos;
emit positionChanged(m_crossfading ? 0 : m_oldPosition);
}
emit tick(m_crossfading ? 0 : gstPos / NSEC_IN_MSEC);
}
qreal vol = volume();
if (qAbs(m_oldVolume - vol) > 0.0001) {
m_oldVolume = vol;
emit volumeChanged(vol);
}
if (state == N::PlaybackStopped)
m_timer->stop();
}
static gboolean
gst_switch_commit_new_kid (GstSwitchSink * sink)
{
GstPad *targetpad;
GstState kid_state;
GstElement *new_kid, *old_kid;
gboolean is_fakesink = FALSE;
GstBus *bus;
/* need locking around member accesses */
GST_OBJECT_LOCK (sink);
/* If we're currently changing state, set the child to the next state
* we're transitioning too, rather than our current state which is
* about to change */
if (GST_STATE_NEXT (sink) != GST_STATE_VOID_PENDING)
kid_state = GST_STATE_NEXT (sink);
else
kid_state = GST_STATE (sink);
new_kid = sink->new_kid;
sink->new_kid = NULL;
GST_OBJECT_UNLOCK (sink);
/* Fakesink by default if NULL is passed as the new child */
if (new_kid == NULL) {
GST_DEBUG_OBJECT (sink, "Replacing kid with fakesink");
new_kid = gst_element_factory_make ("fakesink", "testsink");
if (new_kid == NULL) {
GST_ERROR_OBJECT (sink, "Failed to create fakesink");
return FALSE;
}
/* Add a reference, as it would if the element came from sink->new_kid */
gst_object_ref (new_kid);
g_object_set (new_kid, "sync", TRUE, NULL);
is_fakesink = TRUE;
} else {
GST_DEBUG_OBJECT (sink, "Setting new kid");
}
/* set temporary bus of our own to catch error messages from the child
* (could we just set our own bus on it, or would the state change messages
* from the not-yet-added element confuse the state change algorithm? Let's
* play it safe for now) */
bus = gst_bus_new ();
gst_element_set_bus (new_kid, bus);
gst_object_unref (bus);
if (gst_element_set_state (new_kid, kid_state) == GST_STATE_CHANGE_FAILURE) {
GstMessage *msg;
/* check if child posted an error message and if so re-post it on our bus
* so that the application gets to see a decent error and not our generic
* fallback error message which is completely indecipherable to the user */
msg = gst_bus_pop_filtered (GST_ELEMENT_BUS (new_kid), GST_MESSAGE_ERROR);
if (msg) {
GST_INFO_OBJECT (sink, "Forwarding kid error: %" GST_PTR_FORMAT, msg);
gst_element_post_message (GST_ELEMENT (sink), msg);
}
/* FIXME: need a translated error message that tells the user to check
* her GConf audio/video settings */
GST_ELEMENT_ERROR (sink, CORE, STATE_CHANGE, (NULL),
("Failed to set state on new child."));
gst_element_set_bus (new_kid, NULL);
gst_object_unref (new_kid);
return FALSE;
}
gst_element_set_bus (new_kid, NULL);
gst_bin_add (GST_BIN (sink), new_kid);
/* Now, replace the existing child */
GST_OBJECT_LOCK (sink);
old_kid = sink->kid;
sink->kid = new_kid;
/* Mark whether a custom kid or fakesink has been installed */
sink->have_kid = !is_fakesink;
GST_OBJECT_UNLOCK (sink);
/* kill old element */
if (old_kid) {
GST_DEBUG_OBJECT (sink, "Removing old kid %" GST_PTR_FORMAT, old_kid);
gst_element_set_state (old_kid, GST_STATE_NULL);
gst_bin_remove (GST_BIN (sink), old_kid);
gst_object_unref (old_kid);
}
/* re-attach ghostpad */
GST_DEBUG_OBJECT (sink, "Creating new ghostpad");
targetpad = gst_element_get_static_pad (sink->kid, "sink");
gst_ghost_pad_set_target (GST_GHOST_PAD (sink->pad), targetpad);
gst_object_unref (targetpad);
GST_DEBUG_OBJECT (sink, "done changing child of switchsink");
/* FIXME: Push new-segment info and pre-roll buffer(s) into the kid */
/* Unblock the target pad if necessary */
if (sink->awaiting_block) {
gst_pad_set_blocked (sink->pad, FALSE);
sink->awaiting_block = FALSE;
}
return TRUE;
}
/* Decode */
static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
block_t *p_block;
picture_t *p_pic = NULL;
decoder_sys_t *p_sys = p_dec->p_sys;
GstMessage *p_msg;
GstBuffer *p_buf;
if( !pp_block )
return NULL;
p_block = *pp_block;
if( !p_block )
goto check_messages;
if( unlikely( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY |
BLOCK_FLAG_CORRUPTED ) ) )
{
if( p_block->i_flags & BLOCK_FLAG_DISCONTINUITY )
Flush( p_dec );
if( p_block->i_flags & BLOCK_FLAG_CORRUPTED )
{
block_Release( p_block );
goto done;
}
}
if( likely( p_block->i_buffer ) )
{
p_buf = gst_buffer_new_wrapped_full( GST_MEMORY_FLAG_READONLY,
p_block->p_start, p_block->i_size,
p_block->p_buffer - p_block->p_start, p_block->i_buffer,
p_block, ( GDestroyNotify )block_Release );
if( unlikely( p_buf == NULL ) )
{
msg_Err( p_dec, "failed to create input gstbuffer" );
p_dec->b_error = true;
block_Release( p_block );
goto done;
}
if( p_block->i_dts > VLC_TS_INVALID )
GST_BUFFER_DTS( p_buf ) = gst_util_uint64_scale( p_block->i_dts,
GST_SECOND, GST_MSECOND );
if( p_block->i_pts <= VLC_TS_INVALID )
GST_BUFFER_PTS( p_buf ) = GST_BUFFER_DTS( p_buf );
else
GST_BUFFER_PTS( p_buf ) = gst_util_uint64_scale( p_block->i_pts,
GST_SECOND, GST_MSECOND );
if( p_block->i_length > VLC_TS_INVALID )
GST_BUFFER_DURATION( p_buf ) = gst_util_uint64_scale(
p_block->i_length, GST_SECOND, GST_MSECOND );
if( p_dec->fmt_in.video.i_frame_rate &&
p_dec->fmt_in.video.i_frame_rate_base )
GST_BUFFER_DURATION( p_buf ) = gst_util_uint64_scale( GST_SECOND,
p_dec->fmt_in.video.i_frame_rate_base,
p_dec->fmt_in.video.i_frame_rate );
/* Give the input buffer to GStreamer Bin.
*
* libvlc libvlc
* \ (i/p) (o/p) ^
* \ /
* ___v____GSTREAMER BIN_____/____
* | |
* | appsrc-->decode-->vlcsink |
* |_______________________________|
*
* * * * * * * * * * * * * * * * * * * * */
if( unlikely( gst_app_src_push_buffer(
GST_APP_SRC_CAST( p_sys->p_decode_src ), p_buf )
!= GST_FLOW_OK ) )
{
/* block will be released internally,
* when gst_buffer_unref() is called */
p_dec->b_error = true;
msg_Err( p_dec, "failed to push buffer" );
goto done;
}
}
else
block_Release( p_block );
check_messages:
/* Poll for any messages, errors */
p_msg = gst_bus_pop_filtered( p_sys->p_bus,
GST_MESSAGE_ASYNC_DONE | GST_MESSAGE_ERROR |
GST_MESSAGE_EOS | GST_MESSAGE_WARNING |
GST_MESSAGE_INFO );
if( p_msg )
{
switch( GST_MESSAGE_TYPE( p_msg ) ){
case GST_MESSAGE_EOS:
/* for debugging purpose */
msg_Warn( p_dec, "got unexpected eos" );
break;
/* First buffer received */
case GST_MESSAGE_ASYNC_DONE:
/* for debugging purpose */
p_sys->b_prerolled = true;
msg_Dbg( p_dec, "Pipeline is prerolled" );
break;
default:
p_dec->b_error = default_msg_handler( p_dec, p_msg );
if( p_dec->b_error )
{
gst_message_unref( p_msg );
goto done;
}
break;
}
gst_message_unref( p_msg );
}
/* Look for any output buffers in the queue */
if( gst_atomic_queue_peek( p_sys->p_que ) )
{
GstBuffer *p_buf = GST_BUFFER_CAST(
gst_atomic_queue_pop( p_sys->p_que ));
GstMemory *p_mem;
if(( p_mem = gst_buffer_peek_memory( p_buf, 0 )) &&
GST_IS_VLC_PICTURE_PLANE_ALLOCATOR( p_mem->allocator ))
{
p_pic = picture_Hold(( (GstVlcPicturePlane*) p_mem )->p_pic );
}
else
{
GstVideoFrame frame;
/* Get a new picture */
p_pic = decoder_NewPicture( p_dec );
if( !p_pic )
goto done;
if( unlikely( !gst_video_frame_map( &frame,
&p_sys->vinfo, p_buf, GST_MAP_READ ) ) )
{
msg_Err( p_dec, "failed to map gst video frame" );
gst_buffer_unref( p_buf );
p_dec->b_error = true;
goto done;
}
gst_CopyPicture( p_pic, &frame );
gst_video_frame_unmap( &frame );
}
if( likely( GST_BUFFER_PTS_IS_VALID( p_buf ) ) )
p_pic->date = gst_util_uint64_scale(
GST_BUFFER_PTS( p_buf ), GST_MSECOND, GST_SECOND );
else
msg_Warn( p_dec, "Gst Buffer has no timestamp" );
gst_buffer_unref( p_buf );
}
done:
*pp_block = NULL;
return p_pic;
}
static GstElement *
gst_auto_audio_sink_find_best (GstAutoAudioSink * sink)
{
GList *list, *item;
GstElement *choice = NULL;
GstMessage *message = NULL;
GSList *errors = NULL;
GstBus *bus = gst_bus_new ();
GstPad *el_pad = NULL;
GstCaps *el_caps = NULL;
gboolean no_match = TRUE;
list = gst_registry_feature_filter (gst_registry_get (),
(GstPluginFeatureFilter) gst_auto_audio_sink_factory_filter, FALSE, sink);
list = g_list_sort (list, (GCompareFunc) gst_auto_audio_sink_compare_ranks);
/* We don't treat sound server sinks special. Our policy is that sound
* server sinks that have a rank must not auto-spawn a daemon under any
* circumstances, so there's nothing for us to worry about here */
GST_LOG_OBJECT (sink, "Trying to find usable audio devices ...");
for (item = list; item != NULL; item = item->next) {
GstElementFactory *f = GST_ELEMENT_FACTORY (item->data);
GstElement *el;
if ((el = gst_auto_audio_sink_create_element_with_pretty_name (sink, f))) {
GstStateChangeReturn ret;
GST_DEBUG_OBJECT (sink, "Testing %s", GST_OBJECT_NAME (f));
/* If autoaudiosink has been provided with filter caps,
* accept only sinks that match with the filter caps */
if (sink->filter_caps) {
el_pad = gst_element_get_static_pad (GST_ELEMENT (el), "sink");
el_caps = gst_pad_query_caps (el_pad, NULL);
gst_object_unref (el_pad);
GST_DEBUG_OBJECT (sink,
"Checking caps: %" GST_PTR_FORMAT " vs. %" GST_PTR_FORMAT,
sink->filter_caps, el_caps);
no_match = !gst_caps_can_intersect (sink->filter_caps, el_caps);
gst_caps_unref (el_caps);
if (no_match) {
GST_DEBUG_OBJECT (sink, "Incompatible caps");
gst_object_unref (el);
continue;
} else {
GST_DEBUG_OBJECT (sink, "Found compatible caps");
}
}
gst_element_set_bus (el, bus);
ret = gst_element_set_state (el, GST_STATE_READY);
if (ret == GST_STATE_CHANGE_SUCCESS) {
GST_DEBUG_OBJECT (sink, "This worked!");
choice = el;
break;
}
/* collect all error messages */
while ((message = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR))) {
GST_DEBUG_OBJECT (sink, "error message %" GST_PTR_FORMAT, message);
errors = g_slist_append (errors, message);
}
gst_element_set_state (el, GST_STATE_NULL);
gst_object_unref (el);
}
}
GST_DEBUG_OBJECT (sink, "done trying");
if (!choice) {
if (errors) {
/* FIXME: we forward the first error for now; but later on it might make
* sense to actually analyse them */
gst_message_ref (GST_MESSAGE (errors->data));
GST_DEBUG_OBJECT (sink, "reposting message %p", errors->data);
gst_element_post_message (GST_ELEMENT (sink), GST_MESSAGE (errors->data));
} else {
/* send warning message to application and use a fakesink */
GST_ELEMENT_WARNING (sink, RESOURCE, NOT_FOUND, (NULL),
("Failed to find a usable audio sink"));
choice = gst_element_factory_make ("fakesink", "fake-audio-sink");
if (g_object_class_find_property (G_OBJECT_GET_CLASS (choice), "sync"))
g_object_set (choice, "sync", TRUE, NULL);
gst_element_set_state (choice, GST_STATE_READY);
}
}
gst_object_unref (bus);
gst_plugin_feature_list_free (list);
g_slist_foreach (errors, (GFunc) gst_mini_object_unref, NULL);
g_slist_free (errors);
return choice;
}
int
main (int argc, char *argv[])
{
GstNetClientInternalClock *clock;
GstBus *bus;
GIOChannel *channel;
GIOStatus status;
GError *error = NULL;
GOptionContext *context;
gchar *line;
int ret = 1;
context = g_option_context_new (NULL);
g_option_context_add_main_entries (context, entries, NULL);
g_option_context_add_group (context, gst_init_get_option_group ());
if (!g_option_context_parse (context, &argc, &argv, &error)) {
g_print ("Failed to parse options: %s\n\n", error->message);
g_error_free (error);
return 1;
}
if (input) {
if (!(channel = g_io_channel_new_file (input, "r", NULL))) {
g_print ("Could not read input file: %s\n", input);
return 1;
}
} else {
if (!(channel = g_io_channel_unix_new (0))) {
g_print ("Could not read stdin");
return 1;
}
}
clock = g_object_new (GST_TYPE_NET_CLIENT_INTERNAL_CLOCK, NULL);
bus = gst_bus_new ();
/* FIXME: Find a way to do this without touching the structure internals */
if (rtt_limit)
clock->roundtrip_limit = rtt_limit * GST_MSECOND;
clock->busses = g_list_prepend (clock->busses, bus);
while ((status = g_io_channel_read_line (channel, &line, NULL, NULL,
&error)) == G_IO_STATUS_NORMAL) {
GstClockTime local_1, local_2, remote_1, remote_2;
GstMessage *message;
if (sscanf (line, "%" G_GUINT64_FORMAT " %" G_GUINT64_FORMAT " %"
G_GUINT64_FORMAT " %" G_GUINT64_FORMAT, &local_1, &remote_1,
&remote_2, &local_2) != 4) {
g_print ("Failed to get local/remote time values from: %s\n", line);
goto done;
}
if (debug)
g_print ("%s", line);
gst_net_client_internal_clock_observe_times (clock, local_1, remote_1,
remote_2, local_2);
g_free (line);
if ((message = gst_bus_pop_filtered (bus, GST_MESSAGE_ELEMENT))) {
const GstStructure *st;
gchar *str;
st = gst_message_get_structure (message);
str = gst_structure_to_string (st);
g_print ("%s\n", str);
g_free (str);
gst_message_unref (message);
}
}
if (status == G_IO_CHANNEL_ERROR) {
g_print ("Error reading file: %s\n", error->message);
g_error_free (error);
goto done;
}
g_io_channel_unref (channel);
g_free (input);
gst_object_unref (bus);
ret = 0;
done:
return ret;
}
