Faster analyse clip jobs

data/effects/loudness.xml

@@ -3,10 +3,10 @@
 	<name>Loudness</name>
 	<description>Correct audio loudness as recommended by EBU R128</description>
 	<author>Brian Matherly</author>
-	<parameter type="double" name="program" max="-10" min="-50" default="-23.00" decimals="2">
+	<parameter type="double" name="program" max="-10" min="-50" default="-23.00" decimals="2" suffix="LUFS">
 		<name>Target Program Loudness</name>
 	</parameter>
-	<parameter type="filterjob" filtertag="loudness" filterparams="%params" consumer="null" consumerparams="video_off=1 all=1 terminate_on_pause=1">
+	<parameter type="filterjob" filtertag="loudness" filterparams="%params" consumer="null" consumerparams="video_off=1 no_meta=1 all=1 terminate_on_pause=1">
         <name>Analyse</name>
 		<jobparam name="key">results</jobparam>
 		<jobparam name="finalfilter">loudness</jobparam>

src/jobs/filterclipjob.cpp

@@ -49,10 +49,9 @@ const QString FilterClipJob::getDescription() const
 
 void FilterClipJob::configureConsumer()
 {
-    m_consumer = std::make_unique<Mlt::Consumer>(*m_profile.get(), "null");
+    m_consumer = std::make_unique<Mlt::Consumer>(*m_profile.get(), "xml");
     m_consumer->set("all", 1);
     m_consumer->set("terminate_on_pause", 1);
-    m_consumer->set("real_time", -KdenliveSettings::mltthreads());
 }
 
 void FilterClipJob::configureFilter()

src/jobs/meltjob.cpp

@@ -34,8 +34,7 @@
 #include <mlt++/Mlt.h>
 static void consumer_frame_render(mlt_consumer, MeltJob *self, mlt_frame frame_ptr)
 {
-    Mlt::Frame frame(frame_ptr);
-    self->mltFrameCallback((int)frame.get_position());
+    self->jobProgress((int)(100 * mlt_frame_get_position(frame_ptr) / self->length));
 }
 
 MeltJob::MeltJob(const QString &binId, JOBTYPE type, bool useProducerProfile, int in, int out)
@@ -238,15 +237,14 @@ bool MeltJob::startJob()
     m_consumer->connect(tractor);
     m_producer->set_speed(0);
     m_producer->seek(0);
-    m_length = m_producer->get_playtime();
-    if (m_length == 0) {
-        m_length = m_producer->get_length();
+    length = m_producer->get_playtime();
+    if (length == 0) {
+        length = m_producer->get_length();
     }
     if (m_filter) {
         m_producer->attach(*m_filter.get());
     }
-    m_showFrameEvent.reset(m_consumer->listen("consumer-frame-render", this, (mlt_listener)consumer_frame_render));
-    m_producer->set_speed(1);
+    m_showFrameEvent.reset(m_consumer->listen("consumer-frame-show", this, (mlt_listener)consumer_frame_render));
     connect(this, &MeltJob::jobCanceled, [&] () {
         m_consumer->stop();
         return false;
@@ -269,10 +267,3 @@ bool MeltJob::startJob()
     m_successful = m_done = true;
     return true;
 }
-
-void MeltJob::mltFrameCallback(int pos)
-{
-    if (m_length > 0) {
-        emit jobProgress((int)(100 * pos / m_length));
-    }
-}

src/jobs/meltjob.h

@@ -53,8 +53,7 @@ public:
     MeltJob(const QString &binId, JOBTYPE type, bool useProducerProfile = false, int in = -1, int out = -1);
     bool startJob() override;
 
-    /* @brief this is public for convenience reason, but it should not be called directly */
-    void mltFrameCallback(int frame);
+    int length;
 
 protected:
     // @brief extra configuration of the profile (eg: resize the profile)
@@ -83,7 +82,6 @@ protected:
     QString m_filterName;
     bool m_useProducerProfile;
     int m_in, m_out;
-    int m_length;
     // @brief Does this job require a filter
     bool m_requiresFilter;
 };