]> git.sesse.net Git - mlt/blobdiff - docs/services.txt
minor fixes
[mlt] / docs / services.txt
index f5565a39a02e653e63201cf2bda871c55c2ce3e6..acc6fab05df6027bf214bf3512443fa1f5256509 100644 (file)
@@ -1,9 +1,9 @@
 Service Documentation
 
-Copyright (C) 2004 Ushodaya Enterprises Limited
+Copyright (C) 2004-2005 Ushodaya Enterprises Limited
 Authors: Charles Yates <charles.yates@pandora.be>
          Dan Dennedy <dan@dennedy.org>
-Last Revision: 2004-11-07
+Last Revision: 2005-04-22
 
 
 SERVICES
@@ -324,6 +324,7 @@ Producers
                              default "Sans 48". FreeType2 renders at 72 dpi.
                string encoding - the text encoding type of the input if not UTF-8.
                                - see 'iconv --list' for a list of possible inputs.
+                       int weight - the weight of the font (default is 400)
 
            Read Only Properties
 
@@ -376,6 +377,8 @@ Producers
 
                int in - in point
                int out - out point
+               int begin  - when using an image sequence, this sets the starting
+                            number.
 
            Mutable Properties
 
@@ -688,6 +691,95 @@ Filters
 
                none
 
+       jackrack
+       
+           Description
+           
+               Creates Jack ports and runs a JackRack project to process audio
+                       through a stack of LADSPA filters.
+               
+           Constructor Argument
+           
+               src - a JackRack file
+                       
+               Details
+               
+                       If you are using a consumer that uses ALSA, then you should start
+                       jacks with the dummy driver: jackd -d dummy.
+                       I also recommend using a period size of 2048: -p 2048.
+                       
+                       jackd -ddummy -r48000 -p2048
+               
+           Initialisation Properties
+           
+               int in - in point
+               int out - out point
+                       
+                       The following can be used without a rack file in order to connect
+                       filter_jackrack to a running instance of JackRack:
+                       string out_1 - Jack port to connect MLT's output port (JackRack's input)
+                       string out_2 - Jack port to connect MLT's output port (JackRack's input)
+                       string in_1 - Jack port to connect MLT's input port (JackRack's output)
+                       string in_2 - Jack port to connect MLT's input port (JackRack's output)
+               
+           Read Only Properties
+           
+               none
+               
+           Mutable Properties
+
+                       none
+               
+           Dependencies
+           
+               Jack, LADSPA, glib-2.0, libxml2
+               
+           Known Bugs
+           
+                       Currently, due to timing and synchronisation issues, the audio
+                       is distorted with repeated samples and latency clicks.
+               no encapsulated resampling and jack runs at a fixed frequency
+           
+       ladspa
+       
+           Description
+           
+               Runs a JackRack project to process audio through a stack of
+                       LADSPA filters without using Jack.
+               
+           Constructor Argument
+           
+               src - a JackRack file
+                       
+               Details
+
+                       Due to audio integrity issues with the jackrack filter, this
+                       filter is better for runtime, while jackrack is more suitable
+                       for prototyping a rack file using the Jack Rack GUI.
+               
+           Initialisation Properties
+           
+               int in - in point
+               int out - out point
+                       
+           Read Only Properties
+           
+               none
+               
+           Mutable Properties
+
+                       none
+               
+           Dependencies
+           
+               Jack, LADSPA, glib-2.0, libxml2
+                       Jack is still required because this coexists with the jackrack 
+                       filter.
+               
+           Known Bugs
+           
+               no encapsulated resampling and jack runs at a fixed frequency
+           
        luma
        
            Description