> Now I'm ready for the next step. I have some another issues in sync
> and seeking if audio tracks are muted or not available (using mlt jack
> only  as transport).

>> Are you attaching the jackrack filter to the consumer?

Not absolutly sure what you mean but - yes I'm attaching the jackrack filter
to the "sdl_preview" consumer.

....
if (!m_mltConsumer->is_stopped())
        m_mltConsumer->stop();


if (m_isJackActive == false) {
                // create jackrack filter using the factory
                m_mltFilterJack = new Mlt::Filter(*m_mltProfile, "jackrack");

                if(m_mltFilterJack->is_valid()) {
                        // attach filter to consumer
                        m_mltConsumer->attach(*m_mltFilterJack);

                        // set comsumer properties
                        m_mltConsumer->set("audio_off", 1);

...

I compared your implementation in shotcut - its almost equal. That
means that I didn't to much wrong ;-)))

why ?

regards
eddrog

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