[Mlt-devel] looping video

[Tomas N. <lac...@gm...>]

I'm trying to generate an infinitely looping clip to XML from an image or
color, and failing. if no in/out parameters are set, the video defaults to
14999 frames long, and indeed it stops after that long even if eof=loop.
Here's my command line:

$ melt test/images/SMPTE_Color_Bars.png eof=loop -filter
dynamictext:"#timecode#" halign=right bgcolour=#00000000 fgcolour=#ffffffff
olcolour=#000000 outline=2 -consumer sdl

the generated XML (by changing to -consumer xml:bars.xml is this:


<?xml version="1.0" encoding="utf-8"?>
<mlt LC_NUMERIC="en_US.UTF-8" version="0.8.8"
root="/home/lacrymology/workspace/nodejs/inaes/mbc-playout/mosto"
title="SMPTE_Color_Bars.png">
  <profile description="DV/DVD PAL" width="720" height="576"
progressive="0" sample_aspect_num="16" sample_aspect_den="15"
display_aspect_num="4" display_aspect_den="3" frame_rate_num="25"
frame_rate_den="1" colorspace="601"/>
  <producer id="producer0" in="0" out="14999">
    <property name="mlt_type">producer</property>
    <property name="length">15000</property>
    <property name="eof">loop</property>
    <property name="resource">test/images/SMPTE_Color_Bars.png</property>
    <property name="ttl">25</property>
    <property name="aspect_ratio">1</property>
    <property name="progressive">1</property>
    <property name="seekable">1</property>
    <property name="loop">1</property>
    <property name="meta.media.width">672</property>
    <property name="meta.media.height">504</property>
    <property name="mlt_service">pixbuf</property>
  </producer>
  <playlist id="playlist0">
    <entry producer="producer0" in="0" out="14999"/>
  </playlist>
  <tractor id="tractor0" title="SMPTE_Color_Bars.png" global_feed="1"
in="0" out="14999">
    <track producer="playlist0"/>
    <filter id="filter0">
      <property name="track">0</property>
      <property name="argument">#timecode#</property>
      <property name="geometry">0%/0%:100%x100%:100</property>
      <property name="family">Sans</property>
      <property name="size">48</property>
      <property name="weight">400</property>
      <property name="fgcolour">#ffffffff</property>
      <property name="bgcolour">#00000000</property>
      <property name="olcolour">#000000</property>
      <property name="pad">0</property>
      <property name="halign">right</property>
      <property name="valign">top</property>
      <property name="outline">2</property>
      <property name="mlt_type">filter</property>
      <property name="mlt_service">dynamictext</property>
    </filter>
  </tractor>
</mlt>

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