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1999-12-30
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VirtualDub change log
--------------- start VirtualDub change log ---------------
Build 8892 (Version 1.2):
[features added]
* External video filter interface reworked -- video
filters now have access to bitmap manipulation routines
and can obtain GDI handles to buffers.
* Added levels filter - allows brightness, contrast, and
gamma correction, with preview and histogram.
* Changed position slider to display frame type
(keyframe/nonkeyframe for AVI/ASF, IPB for MPEG-1),
and time in HH:MM:SS.XXX instead of milliseconds.
* Added field swap filter.
* Added custom video format dialog to capture. This
allows selecting arbitrary frame sizes for cards that
support them but don't include the option.
* [EXPERIMENTAL] Added segmented multi-file support.
* [EXPERIMENTAL] Added 3:2 pulldown removal.
* Capture mode warns if the capture file is in use. No
more mysterious C:\CAPTURE.AVI files. :)
[optimizations]
* MMX bilinear resize filter faster, and MMX precise modes
optimized for 2:1 reduction.
* Changed interleaving default to 500ms intervals with a
500ms preload, for smoother Windows Media Player playback.
[bug fixes]
* Can now open some AVI 1.0 files between 2 and 4Gb in
size without "RIFF chunk <4 bytes" error.
* Segment deletion works with compressed audio.
* Fixed MPEG layer III 'incomplete frame' decoding bug
(NekoAmp 1.3).
* Fixed OpenDML 1.02 (AVI2) output problems with files
exceeding 4Gb (NTFS only) and video frames exceeding
512K each.
* Fixed crashing problems with uncompressed 24-bit
frames with power of two sizes.
* Fixed crash when previewing (F5) a file with audio
compressed at fewer than 5 samples per second.
* Fixed subpixel offsets between some of the resize
filter modes.
* Fixed emboss and general convolution filters (why
didn't anyone tell me they were broken!?)
* Test capture mode now activates video compression.
* Fixed 'wait for OK to capture' option causing weird
capture settings and crashes.
* Fixed difficulty switching between compressed and
uncompressed Internal capture.
* Fixed crashing on 'Perf' status tab.
* Now disables display low-power and power-off properly
during capture, thanks to Berrie Bloem.
* Microsoft Video 1 compression now works (oops).
* Fixed audio device getting locked silent when errors
occur while starting preview.
* Fixed audio desync effects when using frame rate
decimation with files having odd speed fractions (10/1).
* Fixed MPEG-4 codec behavior for builds 3845 and 3918.
* Fixed minor B-frame accuracy bug in MPEG-1 decoder.
Build 7713 (Version 1.1):
[features added]
* Began adding active preview to filter system; only
resize filter supports it right now.
* Capture: On-the-fly filtering for uncompressed
RGB captures.
* Capture: Running histogram during preview, even
through dialogs. (May not work with some MJPEG
cards.)
* Capture: Information panel can be toggled.
[bug fixes]
* Matrox Rainbow Runner MJPEG codec works now (stupid
codec).
* Fixed drag-and-drop redraw issues.
* Fixed last major MPEG-1 video quality problem!
* Started reworking MPEG-1 routines to be 64-bit file
clean (not yet fully tested).
* External WAV audio splicing driver no longer chokes
on 'fact' chunks.
* Fixed crashes caused by audio interleave settings
that pushed the audio stream start past the end.
Build 7538 (Version 1.0a):
[optimizations]
* Sped up MPEG packet search routines (thanks to Stephen
Botzko for the tip).
[bug fixes]
* Fixed some AVIs improperly showing up as Uncompressed
in the Information dialog.
* Fixed some small niggling interface drawing issues.
* Fixed accuracy issues with chrominance motion prediction
in MPEG-1 decoder that cropped up since 1.0 pre-9.
*** Build 7419 (Version 1.0) ***:
[features added]
* Added autoloading for video filters. Copy external .vdf
files to PLUGINS\ in the VirtualDub program directory.
* Added MPEG motion vector checking. Hopefully this will
solve crashes with some of those fscked up MPEGs people
seem to have.
* Finally implemented Abort button in the load progress
boxes.
* Implemented basic DirectDraw acceleration for output
pane. Not likely to work on some video cards with
different pixel formats, though.
* Added "copy output frame" to augment "copy source frame."
* Option to accept partial ASF streams on error.
* Start and end offsets now reset when new file is loaded.
[bug fixes]
* Fixed +/-100% brightness adjustment on brightness/
contrast filter in MMX mode.
* Error now thrown if a script/job attempts to load
a filter which is not available.
* Fixed crash-on-exit caused by external filters being
unloaded before being deinitialized.
* Fixed abort-on-right flipping on during Internal capture
when 'hit Ok' enabled. Now, only if you have 'abort on
left' enabled with that option, does it flip to
abort-on-right. (Abort-on-left catches the OK click.)
* Most-recently-used list on menu now updates correctly
when file loads fail.
* ASF frame timing algorithm changed again; this one
should avoid the 800,000 ms audio errors that sometimes
occurred.
* Squashed some audio funniness in Preview mode with
compressed audio in Direct Stream Copy mode.
* Fixed AVI load/decoding problems with files created by
VideoMatrix.
* NekoAmp: Fixed 320+kbps layer 2 and 160+kbps layer 3
decoding.
* Fixed menu item descriptions not appearing until after
exit from capture mode.
* Input options are now used in batch mode.
* Resize filter now enforces sanity checks on values.
Build 7268 (Version 1.0 pre-9):
[bug fixes]
* Hopefully, fixed problems with MPEG-1 layer 2
audio decoding that was causing "AudioSource" errors.
* Fixed video compression not kicking back in from
saved settings in capture mode.
* Fixed ASF video decoding problems with build 3845
of the MPEG-4 V2/V3 codec.
* Solved crashes that occurred on some dubbing errors.
Build 7219 (Version 1.0 pre-8):
[bug fixes]
* Fixed hang-on-abort under NT.
* Fixed backwards position skidding on preview stops.
Build 7209 (Version 1.0 pre-7):
[features added]
* Video overlay support (input playback only).
* Fast Recompress mode is back! Now it allows
recompression through YUV formats for extra speed.
* Autodetection of "bad" MPEG-4 codec driver.
* Resize filter supports letterboxing as well.
[optimizations]
* Revamped thread synchronization - should be faster
at stopping previews now.
* Replaced old MPEG audio decoding core (Amp) with
new core, NekoAmp.
[bug fixes]
* Fixed high-quality downsampling with 8-bit audio.
* Fixed problems with Windows Media Audio v2 codec.
* ASF routines now understand audio scrambling.
* ASF audio sync fixed.
Build 6973 (Version 1.0 pre-6):
[bug fixes]
* Fixed intermittent stack overflow crashes on long
captures (usually >70 minutes).
* Altered ASF packet read algorithm to eliminate packet
sync errors.
Build 6904 (Version 1.0 pre-5):
[features added]
* Arbitrary angle rotate filter (rotate2).
* Preliminary ASF file support (it sucks).
* Input and output pane zooming (right-click on panes).
* Filtered output displayed when browsing source file.
* Altered audio rate statistic in capture mode to track
video capture clock (some audio cards are really,
really far off in pitch....)
* New audio rate correction option in AVI input options;
allows compensation for bad audio clock.
* Audio conversion dialog now allows arbitrary sampling
rates (such as 22047).
[optimizations]
* MMX version of precise resize filters sped up
slightly.
* Tweaked bicubic mode of resize filter from A=-1.0 to
A=-0.75 to reduce oversharpening effect.
[bug fixes]
* Fixed problems with Microsoft Audio Codec.
* Fixed interface overdraw problems with overly large
frame dimensions.
* Fixed inadvertent disables of fast I/O mode during
dubs.
* Video compression dialog no longer says "Uncompressed
RGB" on non-RGB capture devices.
* Invert filter now works (DUH!!!)
* Fixed visual problems with a 565 16-bit display, MMX
enabled, and an odd output frame width.
* Fixed ACM decompress errors on short, compressed
audio streams.
Build 6536 (Version 1.0 pre-4):
[features added]
* Added some command line batch switches.
* Load and save processing configuration.
[optimizations]
* Altered bitrate control algorithm.
[bug fixes]
* Fixed crashing problems with Morgan Multimedia codec
and with Indeo 5 Quick Compress when keyframes and
data rate are disabled.
Build 6502 (Version 1.0 pre-3):
[features added]
* Added rotate and invert filters.
* Added tent filter for better audio resampling.
[bug fixes]
* Fixed scripting errors and top/bottom noise lines in
the deinterlace filter.
* "Normal recompress" mode fixed, including keyframe
problems and strange moire compression patterns.
* Improved accuracy and speed of precise resize modes.
* Save WAV... now confirms overwriting files.
* Audio conversion disabled in Direct Stream Copy mode.
Build 6375 (Version 1.0 pre-2):
[bug fixes]
* A large memory leak in the AVI output routines has
been plugged. (DOH!!!)
Build 6344 (Version 1.0 pre-1):
[Features added]
* Precise bilinear and precise bicubic resize improves
quality on reductions >2:1.
* Automatic detection and support for 16-bit 565 displays.
* Fast MJPEG field deletion, splitting, and swapping.
* Better video compression dialog.
* More codecs identified when codec not present.
[Optimizations]
* AVI disk I/O revamped -- dub speeds can now reach 3Mb/s
and higher.
* Faster MJPEG decoding.
[bug fixes]
* MPEG video decoding quality improved.
* Bicubic resizes should no longer crash on certain sizes.
* Now keeps MPEG-4 settings across compression sessions
(the Microsoft codec resets itself).
* Fixed MMX-related illegal opcode faults on non-MMX
CPUs.
* Fixed configuration save problems under Windows 95.
* The last image file is closed if an error occurs during
Save Image Sequence....
* Auto-correction for improperly sized PCM formats added,
fixing problems with Ligos' LSX-MPEG Encoder.
* Bit rate control support added for video codecs that
support crunching.
Build 5401 (Version 1.0 beta):
[Features added]
* Chunks of the input file can be deleted (e.g. remove
commercials), and frame rate decimation can sometimes
be done in Direct Stream Copy mode.
* 2 gigabyte barrier broken! VirtualDub now supports
the OpenDML 1.02 (AVI 2.0) extensions, meaning
capture and processing to >2Gb files is now
possible.
* 'Save striped master' greatly speeds up making audio
master tracks for using frameservers with the VCM
driver.
* Built-in MJPEG support -- it's incredibly slow, but
will kick in for MJPEG files that cannot be processed
by existing compressors in the system.
* Capture mode now has a nifty panel on the
right that delivers more useful information.
* VirtualDub now catches some formerly fatal exceptions
during capture and allows for clean shutdown in those
cases.
* Volume monitor in capture mode has an oscilloscope and
spectrum analyzer, and can control Line-In volume.
* "Big timer" displays running time during a capture.
[optimizations]
* Disk write routines adjusted for lower latency writes
to disk (i.e. faster).
[bug fixes]
* MPEG parsing revised to ignore user chunks, fixing
problems with the Final Fantasy: The Movie trailer.
* Fixed hanging problems when writing out video frames
larger than 4Mb.
* Fixed some problems setting clipping regions with
striped AVI files.
* Jobs that are In Progress can no longer be switched
to Postponed mode.
Build 4150 (Version 1.0 alpha):
[Features added]
* Job system.
* Scripting support.
* Double-clicking a filter in 'Add Filter' adds it.
* New 16-bit dithering option dithers 24-bit images down
to 16-bit 5:5:5 RGB -- the difference is noticeable
sometimes.
* Drop Frames During Preview option.
* Sync to Audio now adjusts the time base rather than
throttling the output, leading to smoother playback.
* MPEG requester displays progress in bytes.
* Audio support for MPEG files using Tomislav Uzelac's
Amp 0.7.6 engine.
[optimizations]
* Bicubic resizes optimized for MMX.
* MPEG decoding much faster (by about 50%), and MMX
optimized.
* 16-bit RGB MPEG decoding.
[bug fixes]
* Audio streams are no longer written out with overly
large wave formats when in Full Processing Mode. This
caused RealEncoder G2 beta 2 to reject PCM audio
streams from VirtualDub.
* Fixed a really stupid error: the bicubic resizer won't
crash on integral multiples anymore.
* The bilinear/bicubic resize filters have been adjusted
to better filter when enlarging by an integral factor.
* Scene Thresholds don't reset when the CPU Preferences
tab is visited.
* A race condition during dub shutdown has been fixed.
* Crash/hang problems with certain size MPEG chunks
solved.
* MRUList fixed -- VirtualDub runs under NT again!
* Predicted size and audio size in status box fixed.
* Closed a lot of memory leaks, including one caused by
a buggy CreateDIBSection() under NT4.0.
Build 3174 (Public Release 3):
[Features added]
* Striped AVI output mode for higher performance and
evading the 2Gb limit.
* Scene forward/reverse.
* Histogram works on cards with hardware decompression.
* VCM frameclient driver + support; now XingMPEG Encoder
can use frameservers.
* MPEGs can have their P/B frames omitted and/or motion
vectors truncated to full pels for performance.
* AVI rekeying, to fix AVIs with bad keyframe flags.
* Task priority and filename extension behavior
configurable.
* Resize filter can now do bicubic filtering in addition
to bilinear (formerly Linear Interpolation).
* Flip Horizontally filter.
* Limit preferences saving.
* Color can be set for the fill filter.
* MMX and FPU settings have been moved to Preferences,
where they can be saved.
* Double-clicking on a filter entry brings up the
configure dialog box for that filter.
[bug fixes]
* Frameserver setup no longer says 'Korin.'
* AVI output routines fixed - no longer writes odd-byte
chunks.
* Potential crash/hang problems with y-values in the
fill filter fixed.
* Filter entries now highlighted after an Add.
Build 2769 (Public Release 2):
[Features added - main program]
* Preliminary MPEG support (video only).
* Histogram support. Click on the histograms to cycle
between R/G/B/I modes.
* Dubbing and capture windows now show filename.
* Support for compressed 8-bit AVI files.
* Audio compression and decompression.
* Left, right arrow keys fine-step frames.
* New output mode: individual DIB frames.
* Context help for all capture and some dub dialogs.
* Frameserver mode, to serve processed video output to
other applications in real-time.
* Vertical flip filter.
* MRU (Most recently used) list.
* Interleaving options now work.
[Features added - capture]
* Capture mode now has accelerators.
* Total size during internal capture.
* Histogram works on capture cards that use hardware
compression.
* Capture file, driver, and settings can be saved.
[optimizations]
* Larger granularity for index blocks.
* Resize filter heavily optimized for FPU - linear
interpolation now runs at full speed on many AVIs,
without an MMX CPU.
* Slightly better interface performance under NT.
* Output buffering works now.
* Internal capture mode - much better capture
performance.
[bug fixes]
* Output file properly closed upon write failures.
* Audio offset/clipping parameters fixed for frame rate
decimation.
* WAV files now closed when disabled.
* Time limit for captures fixed; no longer alters the
audio buffer size.
* Conversion routines fixed for odd AVI widths; solves
crash problems on many AVIs, particularly in 16-bit
decompression mode.
* ICDecompress() now used with decompressors that do
not support ICDecompressEx(). This allows the
miroVideo DRX MJPEG decompressor to work with
VirtualDub.
* Titlebars no longer refreshed every 1/2 second
unless necessary -- speeds up dubs on slow systems.
* Problems with audio-less files fixed.
* Fixed range dialog from 'locking' when length(ms)
field cleared.
* Dynamic compilation filters work under NT.
* Fixed corruption/crash problems with convolution
based filters.
* Failed captures and dubs are still finalized.
* Memory leaks with filter system solved.
* Capture errors forced to foreground.
Build 1482 (Public Release 1):
* Marking works.
* Frame reset to 0 upon load.
* Position control.
* Rounding/overflow errors in clipping dialog gone.
* 8-bit AVIs now supported.
* End-of-file race condition fixed.
* AVI length write fixed
(NOTE: If you have files which give errors at the end
of processing, trim the end back and turn on
Audio clipping.)
* Audio interleaving fixed.
* Preview mode audio playback no longer cut off.
* Miscellaneous bug fixes.
------------------- end VirtualDub log --------------------