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详细说明： 改进后的JM14版本。 This is all I got on November 6th . Target of your project is that you should optimize the JM SW code for H.264 D1-level Baseline-profile decoder. A recommended sequence is as follow. 1. Understand the H.264 decoding algorithms. (Baseline profile only! Refer to Annex.A.) 2. Remove the redundant codes in the JM SW except the Baseline profile features. 3. Profile the performance bottleneck in your shrinked SW code. Given target is D1(720x480) @30fps. (Use the MS Visual-C profiler or other SW profiler.) 4. You sh ould optimize the code using the optimizing skills such as a loop unrolling, SIMD commands, In-line assembly, and so on. Frames per sec will be a barometer for the performance of your decoder. (You can reference the existing optimized H.264 SW such as ffmpeg or x264, but you should do it yourself, please! We can distinguish the originality of your work.) 5. And, I’ve been ordered that we do not give you hints for your project. Do it by yourself! 6. Last, the deadline is the end of Feb. 2009. 7. Good luck! A copy of Specification and JM 14.2 . ...展开收缩
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