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Old 11-23-2005, 04:29 PM   #1 (permalink)
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Default Gspot for MPEG encoded video's

I need something like Gspot, but for MPEG encoded video's.
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Old 11-23-2005, 04:34 PM   #2 (permalink)
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So you want to know what codecs are used for MPEG right?
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Old 11-23-2005, 05:02 PM   #3 (permalink)
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Yes, I want to know audio and video codecs used. As much info as possible.
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Old 11-23-2005, 05:19 PM   #4 (permalink)
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I'm not sure if this is it or not...

The main idea is to compare the results provided by the new codecs when they are used by an ordinary user for home video compression. As a rule, such users prefer simple and popular programs to play DVD movies or digitize signal from tuner. Also they rarely change defaul codec's settings. We understand that it is very hard to create codecs that would work well on different sequences using the same settings, but this situation is rather common.

Taking the peculiarities of H.264 standard into consideration (such as long time of coding when all possibilities are used) we are going to use 2 presets: "tuned" and "fast". First one is used to get maximum quality, second one is used to ensure fast processing. These presets will be provided by the codecs developers. Both time and quality will be measured. This will allow codecs to show their possibilities in terms of quality and us to compare speed in a more correct way.

Main parts of the comparison:

Comparison in Y-PSNR, U-PSNR and V-PSNR metrics.
Per frame comparison.
Bit rate handling (does your movie fit on the CD?).
Visual comparison.
Informal codecs comparison.

http://www.compression.ru/video/code...c_h264_en.html


or this one

Main goals of the MPEG-4 SP/ASP testing



The main idea is to compare the results provided by the newest versions of MPEG-4 codecs when they are used by an ordinary user for home video compression. As a rule, such users prefer simple and popular programs to play DVD movies or digitize signal from tuner. Also they rarely change codec's default settings. So used default codecs settings in our comparison varying only the bitrate value.

Another goal of this testing was to trace the evolution of the DivX codec. Three versions of this codec took part in the testing: DivX 5.2.1, DivX 4.12, DivX 3.22.

The testing also illustrates the usage of two additional options in DivX 5.2.1: GMC (Global Motion Compensation) and Quarter Pixel, that were announced to improve quality on some video sequences.

Main parts of the comparison:

Comparison in Y-PSNR, U-PSNR and V-PSNR metrics.
Per frame comparison.
Bitrate handling (does your movie fit on the CD?).
Visual comparison.
Informal codecs comparison.

Tested codecs:
DivX 5.2.1
DivX 4.12
DivX 3.22
MS MPEG-4 3688 v3
XviD 1.0.3
3ivx D4 4.5.1
OpenDivX 0.3




http://www.compression.ru/video/code...mpeg-4_en.html
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Old 11-23-2005, 06:42 PM   #5 (permalink)
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That's not what I am looking for. I just need an app to analyze MPEG files, just like Gspot does with AVI files.
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