Name: Stefan Kost
Member since: 2004-02-19 19:35:53
Last Login: 2008-08-10 18:08:46
Homepage: http://www.sonicpulse.de
Notes:
Here are the other homepages:
www.buzztard.org - homepage of what will be a free clone of the buzz music composer (based on gstreamer and a lot of gnome)
www.eksor.de - homepage of my music band (all songs for free download)
Wow, July went fast. I spend most time with my family. Still a few news from the development front. I worked mostly on wavetable view. It now features more proper sample playback. I wrote a memory audio source for GStreamer. It supports forward and backward playback. This is needed for e.g. ping-pong loops. Also now changing things takes effect while a sample plays. Our waveform widget also shows a playback pointer and loop markers. I also got around to unify and merge duplicated note conversion code. You know, when you've copied something the 3rd time, its time to refactor.
Earlier this month I refactored the song-io plugin API a bit. It has now more metadata. This helps the UI to setup file and recent filters. Unfortunately I had to find out that the mime-type detection in glib was broken. Its at least fixed in trunk. No idea since when it actually worked. As a workaround I am now adding "*.xml" to the filters.
Some very visible changes this month - svg machine canvas icons. For that I needed to add better icon theme support. All icons are now themeable and colors are matched with the theme. Machines now have tiny level-meters embedded in the icon.
I also found a solution for slow start of playback in complexer songs. Data- format-negotiation is not deterministic in all cyclic gstreamer graphs. Proposed patches are attached to Bug 540645.
Finally I got around implementing support for a zip based song format. This can contain binaries (like the samples being used). The loader is based on libgsf, which turned out to be a pleasant experience.
I also added filters to the load and save file-choosers and to the recent-chooser in the new recent menu. Still fighting with the filter not doing a precise detection.
Next on my todo list is refactoring the song io plugin api a bit. Right now there is too much hard-coded data (like mime-types, format names, extensions).
In the previous month I worked further on sample support. Samples are played now from memory and can be transposed. Also the buzz song import plugin got sample support added. This means I can load now a big share of my existing songs. While testing those I could fix some more issues with plugin initialisation and those song sound like in original buzz now. Yah, we're getting there.
The current version also brings some eye-candy, Marc (aka deloun) drew us great icons in tango style. I reworked the code to load all icons via theme mechanism. I also allocate other color based on chosen theme now. One thing left for June is to start using the svg on the canvas.
gtk-doc
Current version in svn should give much better warning messages. They are now gcc style and tell you filename and line. That should help to jump to the right place from your favourite editor. Now go and fix your docs :)
As can be seen on our roadmap sample support is scheduled for 0.4. As this is the major feature, we started working on it. I have to say that building buzztard on top of GStreamer was definitely the right thing to do. We can now load whatever GStreamer can handle. FSM did a nice cairo-based waveform widget. Right now I am working on the code that allows plugins to access the wavetable. It will hopefully be ready real soon.
Besides that I've started to restructure the gst-buzztard package a bit further. I also plan to merge the buzz wrapper plugin into it. The aim is to reduce the number of packages that one needs to build.
I've released buzztard-0.3.1 with the fixes. A few more developments to mention: Waffel started a demo for the zip loader based on libgsf, Deloun made great svg designs for the machine view canvas and the tabs and Herzi send me a patch to add native scrolling in the pattern editor. Now back to new features, yah!
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