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VirtualDub Update

Posted by: , 04:00 UTC, Wed November 8, 2006

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VirtualDub is an open source DVD/MPEG/AVI conversion and editing tool
A new version of VirtualDub has been released. Here is the change log for the new version:

  • [features added]
    • New "smart rendering" feature for selective processing of video around edit areas while copying as many existing frames as possible.
    • New audio waveform/spectrogram display.
    • Added option for preserving empty frames during recompression or decompression instead of replicating frames.
    • Added option for saving raw audio stream without a header.
    • Added support for the Sony WAVE64 file format, for wave files larger than 4GB.
    • Added support for reading and writing Adobe Filmstrip (.flm) files.
    • Added support for reading Maya IFF (.iff) files. Currently this is limited to RGB information at 8 bits/channel.
    • PNG output is now supported.
    • Resize video filter now has options for relative and aspect-ratio derived sizing and to save defaults.
    • Opening a video file from the command-line or drag-and-drop now sets the filename as default for the Save As AVI/WAV dialogs.
    • Added new pitch scaling audio filter.
    • Improved quality of "center cut" audio filter (with suggestions from Moitah).
    • The main window and job control dialogs now save their positions.
    • Opacity curves can now be attached to video filter instances.
    • Volume adjustment now shows amplification factor in decibels.
    • Filter API: Preview code preserves keyboard accelerators on preview button.
    • Job control: (X of Y) is now displayed in the job control window caption when the job list is being processed.
    • AVI Info now shows additional information for PCM audio streams encoded using WAVE_FORMAT_EXTENSIBLE.
    • Capture: Added experimental option to insert arbitrary DirectShow transform filters into a capture graph. To enable, specify the filter moniker in [HKCU\Software\Freeware\VirtualDub\Hidden Features\CapDShow: Transform filter name] in the Registry.
    • Capture: Added full-screen toggle (Alt+Enter).
    • Capture: Added support for switching DirectShow TV tuners between antenna and cable modes.
  • [features removed]
    • The "integral conversion" option under audio conversion is no longer supported.
  • [bugs fixed]
    • Fixed a case where the projected file size status indicator could overflow for very long audio dumps.
    • AVIs with MP3 audio streams where wBitsPerSample != 0 are now detected and auto-corrected for better compatibility with the standard MP3 codec installed in Windows.
    • Rewrote segmentation code to buffer data instead of attempting size prediction; this makes the segmentation more accurate and avoids dangling key frames during on-the-fly compression.
    • Added workaround for compatibility problems with Aero Glass in Windows Vista beta 2.
    • Audio displacement now works when processing only part of the audio stream.
    • Added warning for non-zero dwStart values in AVI files.
    • Fixed a performance problem in the PNG decoder on large images with a lot of IHDR blocks.
    • Fixed errors in JPEG encoding with pure red or blue colors.
    • Changed keyboard shortcut for Undo from Ctrl+U to the standard Ctrl+Z.
    • Added workaround for annoying Microsoft security update that sometimes prevents the help file from working.
    • Fixed clamping in amplifier that caused -0x8000 values to change to -0x7FFF.
    • Capture: Duplicate raw wave formats are no longer shown with DirectShow- based drivers.
    • Capture: The UI now reflects changes to audio and video sources made through the driver dialogs.
    • Capture: Possible fix for crash when changing formats with DirectShow- based devices due to threading issue.


    You may download the new version here.

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