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项目描述

Xvid (formerly XviD) is an open source MPEG-4 video codec, implementing MPEG-4 Simple Profile, Advanced Simple Profile, and Advanced Video Coding standards. It is written in C with assembler optimizations for quality and speed (including MMX, SSE, and 3Dnow! code for i386 and AltiVec for PowerPC), and is especially optimized towards offline, multi-pass compression for storage and archival purposes.

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Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.

2009-05-30 09:12
1.2.2

一个潜在的板载RGB24访问冲突是固定的。一个失踪的重新同步标志范围检查修复了。一个与Mach-O/OS X目标NASM中的错误解决办法实施。为RGB精确的“ - ”YUV转换的转换进行了改进。
标签: Minor security fixes, Minor bugfixes
A potential RGB24 access violation was fixed. A fix for a missing resync marker range check was made. A workaround for a nasm bug with the Mach-O/OS X targets was implemented. The precision for RGB<->YUV conversions was improved.

2008-12-03 00:29
1.2.0

AMD64/EM64T 64位支持完成。多线程编码支持介绍。SSE3/SSE4优化了。更快，更精确的MPEG量化内部已启用。打包的一个像素格式色彩空间转换错误是固定的。阿不Exec的堆栈安全修补程序适用。一个坏的重新同步标记的长度定了。解码器的鲁棒性是为打破流含乙帧改善。一种外的潜力必将进入压位表修复了。一个独运质量指标增加了插件。
标签: Minor feature enhancements
AMD64/EM64T 64-bit support was completed.
Multi-threaded encoding support was introduced.
SSE3/SSE4 optimizations were made. Faster and more
precise MPEG intra quantization was enabled. A bug
in packed pixel format colorspace conversion was
fixed. A no-exec stack security patch was applied.
A fix for bad resync marker length was made.
Decoder robustness was improved for broken streams
containing B-frames. A fix for potential
out-of-bound access to MV bits table was made. An
SSIM quality-metric plugin was added.

2007-07-02 23:34
1.1.3

此版本修复了mbcoding.c如Secunia发布的报告SA25711报告潜在的弱点。
标签: Minor security fixes
This release fixes a potential vulnerability in mbcoding.c as reported in the Secunia advisory SA25711.

2006-11-08 14:24
1.1.2

带有帧错误，与包装结合下降乙帧是固定的。不结盟是固定的比特流缓冲区。针对IA64的几个修复程序，就可能崩溃EM64T技术，并在VFW的前端段错误了。
标签: Minor bugfixes
A bug with frame-drop in combination with packed
B-frames was fixed. Non-aligned bitstream buffers
were fixed. Several fixes for IA64, for potential
crashes on EM64T, and for a segfault in the VFW
frontend were made.

2006-08-01 20:36
1.1.0

改进的低比特率的质量和VBV支持。速率为bvops失真模式的决定。新的后处理功能：亮度和色度去环。新端口：PowerPC和AMD的64。各种解码器和编码器的加速比。一些bug终于得以解决。
标签: Major feature enhancements
Improved low bitrate quality and VBV support. Rate-Distortion mode decision for bvops. New post-processing functions: brightness and deringing. New ports: PowerPC and AMD-64. Various decoder and encoder speedups. A few bugs have been squashed.

Project Resources

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