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Rev_History.doc
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1997-01-26
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TBD work prior revision history back in.
-------------------------------------------------------------------------
TODO (not in any specific order)
-------------------------------------------------------------------------
+ Add kludge to fix the problem in X11 when the Remote Display is
a different endian from the local Display. Would really be nice
if X11 had made that transparent to the application.
+ Add kludge for 24 bit X11 Visuals that are only 3 bytes per
pixel instead of the normal 4 bytes per pixel.
Performance-wise, this will always be slower than the 4 bytes
case(faster to write 32 bits once than 8 bits three times).
Unclear yet whether I'll optimize for this case.
+ Add playback as file downloads for AVI and FLI files.
+ Some reports of incorrect colors on depth 16 and 24
displays. Haven't been able to recreate yet. Suspect
it's correct behaviour/colormap switching.
+ Redo audio API to allow for greater flexibilty.
+ Add audio conversion routines to output stereo sound.
+ Improved GUI (see Petunia in 2.70.5)
+ toggle for internal/headphones/lineout
+ scrollbar for video frame #
+ Make use of X11 resources
+ MPEG Type P and Type B frame support
+ Specify alternative X11 Window to play animation into.
+ Enable more formats to be supported by serial streams.
(like JPEG, MPEG, etc).
+ add +f option for GIF images.
-------------------------------------------------------------------------
2.70.6.4 (26Jan97) SuperBowl XXXI Sunday: Patriots vs Packers and I'm torn.
-------------------------------------------------------------------------
+ SGI MOVI: fixed bug with MVC1 compression and 16/24 X11 dpys.
+ Audio: Add some more conversions(uLaw, armLaw) for machines
with 8 bit PCM audio.
+ AUDIO: NetBSD some more tweaks by Dowdeswell.
+ AUDIO: BSDI/OS v2.1 support tweak added. (Jay Vassos-Libove)
+ REMOTE: tweaked buttons so they'll stay down a minum
time when pressed to provide better visual feed back.
+ Indeo: fixed bug with YUV to RGB conversion for odd sized
images.
+ AUDIO: Steve Waterworth fixed up HP Aserver code.
+ JFIF: fixed bug with +b switch and JPEG images.
+ AUDIO: Fixed bug with the stereo DVI codec.
+ Looping: fixed bug when pingponging in FLIs
+ Looping: Pressing the "p" key inside anim window will now
toggle the pingpong flag which affects how the
animation is looped. see "xanim.readme"
+ X11: Fixed bug with TrueColor visuals that had colormaps
greater than 256 entries.(ie XFree86's 32bpp)
+ Remote Window Commands and Control added. See +W* options
in the xanim.readme/xanim.man files and see the
Remote_Window.doc file.
-------------------------------------------------------------------------
2.70.6.3 (02Aug96)
-------------------------------------------------------------------------
+ AVI: fixed bug with RGB depth 24 on depth 16 Displays.
+ IMA4: fixed bug that caused audio noise with quicktimes
that used the stereo IMA4 audio codec.
+ MISC: Fixed colormap problem with -Cn and audio only files.
+ JPG: JPEG 111111 fixed color bug with dither/+Cn option.
+ MISC: cleaned up type casting for functions that return ptrs
to void *functions.
+ QT: There's a new variation to the quicktime file format
where the headers are stored up front(allows streaming
of quicktime animations). Previous xanim revs had
trouble reading this.
+ AUDIO: Roland sent in modifications to the NetBSD audio code
to improve support for a wider variety of cards.
+ AUDIO: Minor mods for Digital Unix 3.2C MME 1.60
-------------------------------------------------------------------------
2.70.6.2 (06Jun96)
-------------------------------------------------------------------------
+ CVID: broke grayscale cvid animations. If you already
have 27061 then edit "xa_qt.c" and change line 1127 from:
---
}
---
to be:
---
}
if (qt->depth == 40) qt->depth = 8;
---
and recompile.
-------------------------------------------------------------------------
2.70.6.1 (05Jun96)
-------------------------------------------------------------------------
+ KPCD: Fixed Minor warning that some fanatical compilers
considered an error. :^) No reason to upgrade
to this is you can compile 2.70.6
-------------------------------------------------------------------------
2.70.6 (04Jun96)
-------------------------------------------------------------------------
+ REMOTE: Petunia volume scrollbar is now settable with mouse.
+ REMOTE: -Zr wasn't working with Petunia.
+ REMOTE: some compile errors when compiling with no remote control.
+ AVI: hooks for Creative CYUV Video Codec added.
see creative.readme for instructions.
+ AVI: Added support for WHAM video codec(same as CRAM).
+ QT: Added support for Kodak Photo CD Video Codec.
+ QT: Added support for RAW depth 1 Video Codec
+ QT: Added support for RLE depth 4 Video Codec
+ QT: Added support for Microsoft Video 1 Video Codec.
+WAV: large audio chunks are broken into smaller chunks
artificially by xanim to improve +f memory usage.
-------------------------------------------------------------------------
2.70.5.4 (01May96)
-------------------------------------------------------------------------
+ Okay, I screwed up. I had changed over to long ints. Big
mistake. Changing back. This won't affect machines with 32
data paths. Alpha users need to revert back to the xa2.0_
decompression modules.
+ AUDIO: Fixed bug where audio_ring can occasionally get out
of sync between the update and the audio_out pointers.
-------------------------------------------------------------------------
2.70.5.3 (28Apr96)
-------------------------------------------------------------------------
+ This is just a clean up release. Fixed all the "gcc -Wall"
warnings on both linux and SunOS 4.1.3 machines.
Some of these warnings were(or were treated) as compile
errors on SGI and Alpha machines.
-------------------------------------------------------------------------
2.70.5.2 (19Apr96)
-------------------------------------------------------------------------
+ MPG: fixed a bug when allocating MPG buffers if the height
was greater than the width.
+ FLI: fixed a bug introduced in 27051 that affects some FLIs.
-------------------------------------------------------------------------
2.70.5.1 (12Apr96)
-------------------------------------------------------------------------
+ AUD: with the +f option, stopping moving restarting or
playing backward then forwards could occasionally
break audio. Now fixed. This bug was recently
introduced, but not sure when.
+ AVI: added +F dithering support to CRAM16 Video Codec.
+ BUG: fixed bug in 2x2 dithering used by Cinepak.
Was introduced in 2705 as I tried to improved the dithering.
This caused potential core dumps.
+ HPDEV: setting sampling rate occasionally failed because
/dev/audio reported it was busy. Now loop on that.
-------------------------------------------------------------------------
2.70.5 (04Apr96)
-------------------------------------------------------------------------
+ AVI: fixed Ultimotion bug with 16/24 depth displays.
I didn't correct generate the correct colors.
+ WIDGETS: I'm starting to do my own GUI. Eventually, I will
no longer support Athena, Athena3d or Motif.
Quite frankly, it's been a pain trying to support
them with all sorts of library, include, portability
and installation problems.
Use XA_REMOTE_DEFS = -DXA_PETUNIA instead. Not saying
it's better, just more portable across the X11
platforms and less bothersome(to me). Also, it's the
only GUI I plan on support and improving on now.
Constructive feedback welcome.
+ QT: added YUV2 support for depth 16 and 24 Displays.
+ MOVI: added display depth > 8 support to MVC1 video codec.
+ MOVI: added +F dithering to MVC1 video codec.
This slows it down considerably. So use -F to turn off
or +CF4 as an alternative method. Will try to optimize
later.
+ AVI: added support for RGB depth 4 Video Codec
+ AVI: added support for RGB depth 16 Video Codec
+ IFF: fixed compile error with fprintf statements.
-------------------------------------------------------------------------
2.70.4.3
-------------------------------------------------------------------------
+ removed erroneous "static" from the xa_wav.c and xa_avi.c
files. Caused compile errors with some compilers.
+ Redid how audio-only files are merged with video files.
See the "+Am" and the "+AM" options in the xanim.read
or the xanim.man files.
+ AUDIO: with audio only files, you know have 100ms resolution
for single stepping through that file.
+ AVI: Added support for audio only AVI files.
+ QT: Added support for audio only QT files.
-------------------------------------------------------------------------
2.70.4.2
-------------------------------------------------------------------------
+ Replaced bcopy with memcpy for those machines without bcopy.
+ QT: Added dithering to RPZA Video Codec(makes it twice as slow).
use the +F or -F option to turn it on or off respectively.
-------------------------------------------------------------------------
2.70.4.1
-------------------------------------------------------------------------
+ Bug fix for machines without audio.
I tested it, I fixed something else and broke it. argh. :^)
-------------------------------------------------------------------------
2.70.4
-------------------------------------------------------------------------
+ video/audio sync fixed. Was broken in 2.70.3(actually it was
only partially implemented after a change I did).
+ QT: IMA4 audio codec, mono/stereo added.
+ QT: fixed bug that caused lack of sync with some animations.
Had to do with incorrectly determining frame timing.
+ QT: fixed RLE8 bug that caused trailers.
+ QT: fixed YUV2 bug.
+ JPEG: fixed bug in 21_11_11 JPEG files with depth 16 and 24 displays.
Caused core dumps.
+ JPEG: fixed bug that caused corruption with some images.
+ JPEG: added support for 41_11_11 images/anims.
+ MPEG: fixed bug that caused corruption with some newer
mpegs. NOTE: XAnim doesn't suport mpeg files with interleaved
audio yet.
+ AVI: XAnim now used AVI IDX1 chunk if present instead of scanning
the entire AVI file. If AVI file is truncated or coming in
from a serial stream, then it defaults back to scanning.
This greatly speeds up CDROM reading with +f option.
+ AVI/WAV: added MSADPCM stereo audio support.
+ AVI/WAV: added DVI/IMA mono/stereo audio support.
NOTE: both old and new DVI formats supported. User needs to
use "+k2" option with old DVI format. Only way to tell is
if it sounds "bad" and "+k2" fixes it. Whadda pain.
+ SGI Movie format support added. Just JPEG and MVC1 Video codecs.
MVC2 not yet supported.
+ stdin input for the following formats *ONLY*:
AVI, FLI, FLC, DL, GIF, IFF, Movie_Setters and RLE
+ ftp input for the following formats *ONLY*:
AVI, FLI, FLC, DL, GIF, IFF, Movie_Setters and RLE
Still needs to load entire file. User needs to define
XANIM_USER and XANIM_PASSWD env variables. Typically
anonymous and user's email address are used.
+ Audio Conversion routines rewritten to improve freq conversion.
+ -DXA_FORK define no longer needed.
+ HP: HP Audio SUPPORT IS BROKEN IN 2.70.4. Use HPDEV instead.
will hopefully be fixed.
+ -Ae option to turn off audio wasn't working. fixed.
+ Probably a lot of other stuff I forgot about.
-------------------------------------------------------------------------
-------------------------------------------------------------------------