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DigiWiki: VirtualDub
Title: VirtualDub
Author/Publisher: Official Website
Ease of use: Not Rated
Latest Version: 1.6.11(Build 23774) (details)
OS Support: Windows 95 Windows 98 Windows Me Windows 2000 Windows XP Windows Vista
License: Open Source
Date Added: Oct 4, 2005
Last Updated: Oct 4, 2005
Page Viewed: 1151297 times

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Revision History:

Version 1.8.0 (Experimental Build 29393)
  • Release Date: Feb 26, 2008
  • Please refer to this page for a full list of changes
Version 1.7.8 (Build 28346)
  • Release Date: Feb 13, 2008
  • [bugs fixed]
    • Capture: Fixed crash when starting capture from command line with filters and preview acceleration enabled.
    • Capture: Fixed issues with custom DirectShow filters not reconnecting.
    • Capture: Added workaround for audio source switching to "no audio" in UI due to DirectShow crossbar goofiness.
    • Capture: Changing the audio source manually now asks to turn off auto- switching.
    • Capture: Audio source now saves properly when set to "no audio."
    • Fixed crash when previewing beyond end of selection with IVTC enabled.
    • Added workaround for XviD decompression crashes.
  • [regressions fixed]
    • Filters receive distinct source frame numbers for null frames again.
Version 1.7.7 (Build 28312)
  • Release Date: Dec 10, 2007
  • [bugs fixed]
    • Improved accuracy of "set so audio and video durations match" for short clips.
    • Fixed vertical chroma positioning errors when converting to 4:2:0 or 4:1:0 YCbCr.
    • PluginSDK: Direct stream copy from a plugin audio stream caused dwStreamSize in the AVI to be set incorrectly.
    • PluginSDK: Fixed crash when using plugin to load a file with an audio stream that isn't AVI compatible.
    • Capture: When "wait for OK" was enabled with a DirectShow driver, time spent in the dialog was counted against a time stop condition.
    • Capture: Fixed crash when an error occurs while starting capture with a custom hotkey.
  • [regressions fixed]
    • "Save segmented AVI" no longer crashes when only video is enabled.
    • Prohibit zero for frame rate adjustment.
    • Filters: The error return from runProc is ignored again for compatibility with earlier versions of VirtualDub; this fixes some video filters that broke in the 1.7.x series.
    • D3D: Fixed a display change related crash.
Version 1.7.6 (Build 28292)
  • Release Date: Oct 14, 2007
  • [bugs fixed]
    • Cancelling the mode selection dialog for "create test video" didn't cancel the open.
    • IVTC now works when the video format is non-RGB.
    • Fixed garbled image when scrolling through an animated GIF in filter preview.
    • Fixed missing frames when opening animated GIFs with zero delay times in frames.
    • Fixed sync error when processing VBR audio in Direct mode.
    • PluginSDK: Not supplying a custom signature caused a sketchy match to be returned instead of full match.
    • PluginSDK: Fixed API host related crashes in filter preview and IVTC paths.
    • PluginSDK: Fixed support for VBR audio.
    • PluginSDK: Fixed handling of internal-decode frames.
    • PluginSDK: Fixed crash when no video stream is present.
    • Capture: Video filters were receiving frame times that were 1000x too large.
  • [regressions fixed]
    • AMD64: Fixed a pretty nasty stack misalignment issue in the 64-bit build.
    • Fixed compression issues with WMV9VCM.
Version 1.7.5 (Build 28225)
  • Release Date: Sep 30, 2007
  • [bugs fixed]
    • Audio display couldn't be opened if the curve editor was open.
    • Temporal smoother filter crashed in out of memory conditions.
    • Fixed rare cases where WAV reader returned the wrong data.
    • Capture: Fixed crash in screen capture driver with video cards that only support OpenGL 1.0.
    • Capture: Screen capture driver sometimes drew garbage cursor before first cursor change.
    • PluginAPI: Default I/P frame model wasn't working.
Version 1.7.4 (Build 28204)
  • Release Date: Sep 23, 2007
  • [bugs fixed]
    • Fixed bug where frame regions were shifted instead of extended to fix keyframe violations in direct video mode.
    • If a video filter errored out during start phase, already initialized filters didn't receive end calls.
    • Toggling the "show decompressed video" setting in Fast/Normal Recompressmodes could result in a crash.
Version 1.7.3 (Experimental Build 28191)
  • Release Date: Sep 1, 2007
  • features added:
    • Added display option for showing display debugging info.
    • Frame rate adjustment can now be entered exactly, including as a rational fraction.
    • Jobs can now be reloaded for tweaking.
    • Capture: Added several options for fine-tuning timing issues with DirectShow-based capture drivers.
    • D3D: Improved bicubic algorithm for ps1.1+ capable cards.
    • D3DFX: Extended annotation and semantics support -- see help for details.
    • Hex editor: Now supports drag and drop.
  • bugs fixed:
    • Audio volume dialog didn't display properly after setting volume adjustment to zero in script.
    • Fixed crash when attempting to use "show decompressed output" when no decompressor is available for the output format.
    • Added workaround for digital cameras that write incomplete u-law audio formats.
    • Fixed crash when writing job that uses the Pinnacle DV codec.
    • Added code to prevent crash when decoding an MJPEG stream where the JPEG images are larger than the frame size reported in the video stream. This now produces an error when the internal decoder is used.
    • AVI recovery code can now recover AVI files with 'rec' grouping chunks.
    • Fixed scrambled colors in filter preview with paletted video.
    • Fixed I/O errors in rare case where an AVI file could not be opened in unbuffered I/O mode.
    • Implemented mode 7 compression, HAM, and Halfbrite modes in IFF ANIM reader.
    • Audio display would occasionally stop updating across certain edits.
    • Output video pane now updates itself after filters are edited.
    • Fixed minor bug where audio decompression errors would be reported as compression errors.
    • Fixed a case where audio displacements didn't work with compressed audio and full processing mode.
    • Perspective video filter now works in batch mode.
    • Added workaround for strange bit rates being shown on output AVI files in Windows Vista Explorer.
    • Fixed decoding of AVI files that have zero-byte frames marked as key frames (AVIFile turns these back into non-key frames).
    • "Sharpen" video filter no longer shows black when filter preview is first opened.
    • D3DFX: Leaving alpha blending on in an effect no longer scrambles YCbCr decoding.
  • regressions fixed:
    • OK and Cancel behaviors on brightness/contrast video filter were swapped.
    • Fixed crash when loading 8-bit RLE videos.
    • D3D: Works again on video cards supporting less than pixel shader 3.0.
    • Added setting value back to sharpen video filter configuration dialog.
    • Fixed trippy gradient displays when trying to show a solid color for the dummy frame at the end (some display drivers don't handle 1x1 blits correctly).
    • Capture: Left-click start option works again.
Version 1.6.19 (Build 24478)
  • Release Date: Jun 4, 2007
  • [bugs fixed]
    • Fixed crash when creating batch jobs with certain Pinnacle video codecs.
    • Fixed crash when reading top-down BMP files.
    • Added workaround for crash on startup on some Windows 98/ME machines.
Version 1.6.18 (Build 24473)
  • Release Date: May 20, 2007
  • [bugs fixed]
    • Improved compatibility of AVI files written in capture mode or with the "sector alignment" option. (NOTE: Affected files can be fixed by re- running them through VirtualDub in Direct mode.)
    • Fixed crash when selecting Cancel after removing certain video filters from the video filter chain.
Version 1.7.2 (Experimental Build 27700)
  • Release Date: May 20, 2007
  • features added:
    • Added minor frame lines to the parameter curve editor.
    • Input driver plugin support.
    • The threshold, sharpen, and brightness/contrast filters now support preview.
    • The DV type-1 audio source can now be set to conceal errors.
    • Rendering operations can be throttled or paused.
    • Capture: Screencap driver can now capture the mouse cursor.
  • bugs fixed:
    • AVI parser now handles files with a significant amount of garbage prior to the first video or audio chunk.
    • Curve editor opens to current frame instead of frame 0.
    • Smart rendering didn't check the right locations in filter opacity curves if edits had been applied.
    • Animated GIF decoder didn't handle the "erase" and "restore" disposal modes correctly.
    • Animated GIF decoder could display a one-frame glitch at start of decoding.
    • Time-based filters and filter curves weren't reflected in output preview when applied to a repeating frame.
    • Fixed interlaced field DirectDraw display with planar YCbCr formats.
    • The "smart rendering" option could cause a missing codec error even if the video mode was set to Direct.
    • Added workaround for BlackMagic MJPEG codec not producing key frames.
    • Added workaround for update problems with the Direct3D and OpenGL display modes in Windows Vista.
    • Capture: Fixed crash when attempting to use "remove duplicate frames" feature of screencap driver on a 3D card that didn't support occlusion query.
    • Capture: Fixed crash in screencap driver on 3D cards that don't support buffer objects.
    • Capture: Fixed bugs in screencap driver's rescale function.
  • regressions fixed:
    • Fixed inaccurate length field in WAV header.
    • D3D: Fixed memory leak.
    • AMD64: MPEG video decoder now works.
Version 1.7.1 (Experimental Build 27021)
  • Release Date: Feb 8, 2007
  • features added:
    • AVI file info now shows the FOURCC of the video stream.
    • The "display decompressed output" option can now be enabled and disabled in the middle of encoding.
    • Improved playback timing.
    • Added /hexview command-line flag to open a file in read-only mode.
    • Added /noStupidAntiDebugChecks for development purposes.
    • Added "warp resize" video filter.
    • The "resize" video filter now allows editing the frame height with an aspect ratio constraint active.
    • Ctrl+Drag in the audio display modifies the audio displacement.
    • Added an option to create several types of diagnostic test videos.
    • Added Y800 as a synonym for Y8.
    • Added support for the 4:4:4 planar YCbCr "YV24" format.
    • Added animated GIF import.
    • D3D: UYVY, YUY2, YV24, YV16, YV12, I420, and YVU9 video display is now accelerated in Direct3D mode.
    • D3DFX: Added additional support for field-based display shaders.
    • Capture: Added a new screen capture driver.
    • Capture: Added configurable hotkeys for stopping and starting capture.
    • Capture: DirectShow filter graph build errors are now noted in the log window.
    • Capture: Full-screen mode now auto-hides mouse cursor.
    • Capture: Added UI for modifying DirectShow brightness, contrast, gamma, sharpness, and hue settings.
    • Capture: Audio playback setting is now auto-saved.
  • bugs fixed:
    • "Export as filmstrip" command failed if no audio stream was available.
    • Filmstrips didn't resave properly as AVI (video stream type set incorrectly).
    • Modified the SSE check to ignore the flush-to-zero (FTZ) bit, which unfortunately some compiler DLL runtimes twiddle.
    • "Preserve empty frames" was writing out the empty frames as key frames. VirtualDub corrects this on load, but it was still incorrect on disk.
    • "Preserve empty frames" caused the video codec key frame interval to work incorrectly -- it counted compressed frames rather than total frames.
    • "Display decompressed output" was broken.
    • Added workaround for silent crash when using the audio display with older versions of Avisynth.
    • Added workaround for digital cameras that leave the last byte off of JPEG images.
    • Added workaround for some naughty DLLs that prevented VirtualDub's crash logging mechanisms from working properly.
    • Added more workarounds for overlay surface goofiness on Windows Vista.
    • Audio display now reflects timeline edits and the audio displacement setting.
    • Made it more difficult to accidentally select frames in the audio display.
    • Fixed divide by zero crash when D3DFX display is enabled and a video pane is shrunken to zero width.
    • Fixed case where tiny audio chunks were emitted periodically when using some MP3 codecs at a 44KHz sampling rate (audio interleaving issue, not sync issue).
    • Fixed goofed file filters in source dialog of "create paletted AVI" option.
    • Inverse telecine could be enabled with smart rendering (which doesn't work).
    • Fixed "preserve empty frames" and "smart rendering" options to work better in the presence of a B-frame encoding delay.
    • Capture: Alt+Enter full-screen toggle left window in topmost placement.
    • Capture: Fixed sporadic crash when capturing with resync disabled.
    • Capture: Fixed tabbing in "set custom format" dialog.
    • Capture: /capfileinc and the startup code didn't increment the filename properly past existing files when multisegment capture was enabled.
    • Capture: Hide on Capture now works for DirectShow-based devices.
    • Capture: Added workaround for driver bug in Adaptec AVC-1400 GameBridge drivers that causes a crash when displaying video capture pin properties.
    • Capture: Fixed filter leak in DirectShow driver in some cases when the filter graph failed to build properly.
    • Capture: When the "transform filter" registry option was used, the transform filter popped off the capture filter after a video format change.
  • regressions fixed:
    • Fixed crash when opening AVI file with truncated MP3 audio format.
    • Fixed some audio sync errors when cutting.
    • Fixed the resize filter's settings not saving properly. This was actually caused by a long standing overload resolution bug in filter script with multiple glue functions on the same overload.
    • Fixed crash when attempting to preview with an audio stream for which no decompressor is available.
    • Fixed crash when using quick preview beyond end of selection.
    • Fixed a couple of cases of bogus total audio sample counts being reported in the dub status window.
    • Audio sync sometimes wasn't correct when cutting files with VBR audio.
    • Audio stream estimate on status window was sometimes negative.
    • Fixed crash at end of operation with IVTC enabled.
Version 1.7.0 (Experimental Build 25854)
  • Release Date: Nov 7, 2006
  • [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.
Version 1.6.17 (Build 24469)
  • Release Date: Nov 7, 2006
  • [bugs fixed]
    • Fixed divide by zero crash when Direct3D display is enabled and a video pane is shrunken to zero width.
    • UYVY video streams were being reported as RGB16.
    • Direct3D display minidriver didn't clip properly when the image was zoomed larger than the screen.
  • [regressions fixed]
    • Capture: Reverted change in rendering strategy for DirectShow filter
    • Capture: Fixed crash when capturing video only using a VFW driver.
Version 1.6.16 (Build 24463)
  • Release Date: Aug 13, 2006
  • [features added]
    • Added AMD64 versions of the frameserver and AVIFile frameclient.
    • Added .divx to file filter for video open dialog (although AVI files should be tagged .avi, dammit).
  • [bugs fixed]
    • Fixed decoding errors when reading JPEGs with junk at the end of the file.
    • Improved support for working with video codecs that are configured to only output YUV formats.
    • Added more checks to script parameters for "resize" video filter.
    • Fixed gradient bugs in "smoother" video filter.
    • Added "png" file extension to logo filter open dialog; it has been supported for a while, but you had to manually override the file filter.
    • Fixed truncation in audio displacement setting that prevented it from working beyond ~35min.
    • Capture: Fixed crash when attempting to capture with both striping and segmentation (not supported).
  • [regressions fixed]
    • Capture: Audio playback sometimes didn't work.
    • Capture: Fixed noise issue in resampler.
    • Improved accuracy of "box blur" filter.
Version 1.6.15 (Build 24442)
  • Release Date: May 29, 2006
  • Please refer to this page
Version 1.6.14 (Build 24415)
  • Release Date: Mar 13, 2006
  • Please refer to this page
Version 1.6.13 (Build 24390)
  • Release Date: Feb 28, 2006
  • Please refer to this page
Version 1.6.12 (Build 24259)
  • Release Date: Jan 6, 2006
  • Please refer to this page
Version 1.6.11(Build 23774)
  • Release Date: Oct 4, 2005
  • Please refer to this page
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