Movie 版 (精华区)
发信人: Sun (大灯泡), 信区: Movie
标 题: DivX 5.0.2
发信站: 哈工大紫丁香 (2002年05月17日12:12:50 星期五), 站内信件
@xiaoli
5.0.1有一个明显的bug,所以当初就没推荐。
现在这个bug修正了
New:
Added several new options to the codec properties dialog that allow
users to tweak settings for smoother playback and improved support for
some video cards.
Added a "Smooth Playback" option. Turning this off will allow B-frame
encoded content to playback with lower CPU usage. However, enabling this
option will introduce a 1 frame delay in the decoder (because of
buffering), which may cause the last frame of the video to not be
displayed.
Added a "YUV Extended" mode option. When selected, the codec will
attempt to use YV12 mode to decode the video. This is the fastest way to
decode DivX content, but the drawback is that
brightness/contrast/saturation controls cannot be used in this mode
and are disabled.
Added an "Overlay Extended" mode. Selecting this will cause the filter
to try to display video using the hardware overlay instead of the
software overlay. The hardware overlay is much faster, but may not be
supported on some video cards. When this mode is enabled,
DirectShow-based player applications will be unable to open more than
one window at a time.
Added a "Double Buffering" option. Enabling this will force the video
card to allocate a second buffer for the video playback. This will
increase the smoothness of the video playback, but may not be
supported on low-end video cards with less than 8 MB of RAM.
Added a "Film Effect" option. This is a warming filter that when enabled
will add film noise to the decoded picture. This may increase the
perceived visual quality of the picture, especially if you are used to
watching film. It's a personal preference, however, so use it if you
want.
Added a hidden "Force Color Mode" control. You can manually set the
registry key "HKEY_CURRENT_USER\Software\DivXNetworks\Force Color
Mode" in the Windows Registry and assign it a number from 1 to 7. This
will force the video card to use a particular color mode, depending upon
the value. This is only necessary in rare circumstances to solve
video card problems. Supported color modes:
1: YV12
2: YUY2
3: YUYV
4: RGB32
5: RGB24
6: RGB555
7: RGB565
Improved:
The default psychovisual modeling settings are tweaked slightly. This
should decrease blockiness in black regions and flat areas in the
video content.
Optimized the decoder so that it more consistently plays back video,
particularly on lower-end CPUs. (A P-III 466 MHz machine can play
real-time, 640x480 video with B-frames and GMC at 80% CPU load.)
Fixed:
Fixed a lot of memory leaks in the encoder. This should prevent the
codec from slowing down gradually during a long encode.
Version 5.0.1 encoded 7% slower than 5.0. DOH! Not sure how that
happened. This has been fixed and version 5.0.2 is as fast as version
5.0.
Fixed a problem where the trace_b.txt log file would be written out
during encodes which would take up significant disk space. The log
file is no longer written.
Fixed a problem where the MP4 Creator would not work on files that
included B-frames. The MP4 Creator should now work with all DivX 5.x
files.
Fixed a bug where the right macroblock would not be displayed with the
custom brightness/contrast settings. This would cause a dark or light
"band" of video on the right side of the screen.
Fixed a bug that would cause playback problems when the seek bar was
moved back and forth quickly. This same bug some cause bad frames to
be displayed at the beginning of some content when playing back video in
Windows Media Player. This should no longer happen.
Fixed a bug where the "Decoder Configuration" application would crash
when run on Windows 98. The application should now run properly. (Yes,
we know we said we fixed this in 5.0.1, but we really fixed it this
time.)
--
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