Bug in Explorer Info

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Bug in Explorer Info Empty Bug in Explorer Info

Post by christantoan Fri May 22, 2015 6:57 pm

I get this misdetection with downloaded 60fps videos from YouTube (I noticed that the video format is VP9)
Bug in Explorer Info RTX5BKP
Code:
General
Unique ID                   : 65392825175610104412735799271089255734 (0x31323334353637383930313233343536)
Complete name               : D:\Videos\Vocaloid\60 FPS YouTube\[60fps Full風] ⅙ Out of the gravity - Hatsune Miku 初音ミク DIVA English lyrics Romaji subtitles PDA FT.MKV
Format                      : Matroska
Format version              : Version 4 / Version 2
File size                   : 81.6 MiB
Duration                    : 4mn 23s
Overall bit rate            : 2 599 Kbps
Writing application         : IDMmkvlib0.1
Writing library             : IDMmkvlib0.1
Language                    : und
HANDLER_NAME                : AudioHandler

Video
ID                          : 1
Format                      : VP9
Codec ID                    : V_VP9
Duration                    : 4mn 23s
Width                       : 1 280 pixels
Height                      : 720 pixels
Display aspect ratio        : 16:9
Frame rate mode             : Constant
Frame rate                  : 59.880 fps
Default                     : Yes
Forced                      : No

Audio
ID                          : 2
Format                      : AAC
Format/Info                 : Advanced Audio Codec
Format profile              : LC
Codec ID                    : A_AAC
Duration                    : 4mn 23s
Channel(s)                  : 2 channels
Channel positions           : Front: L R
Sampling rate               : 44.1 KHz
Compression mode            : Lossy
Default                     : Yes
Forced                      : No


christantoan

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Join date : 2011-12-24

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Bug in Explorer Info Empty Re: Bug in Explorer Info

Post by Admin Sat May 23, 2015 2:30 pm

Which download/conversion tool did you use?

If I download that video from YouTube, as the original .webm file, then the framerate is displayed correctly.

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Post by christantoan Sat May 23, 2015 3:25 pm

I use IDM and Chrome. From my experience using Chrome and Firefox will download different files

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Bug in Explorer Info Empty Re: Bug in Explorer Info

Post by Admin Sat May 23, 2015 5:00 pm

The mkv file was created by IDM using their own writing library, so it is possible to they are writing an incorrect framerate value.

Can you upload a sample file for me?
http://www.sendspace.com

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Post by christantoan Sat May 23, 2015 5:24 pm

Hmmm, but MediaInfo shows the correct frame rate. Doesn't Icaros also used the same value?
Anyway, here's the file
Code:
https://www.sendspace.com/file/7g1adu

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Post by Admin Sat May 23, 2015 7:33 pm

I will send the link to the Icaros developer.

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Post by christantoan Sun May 24, 2015 3:31 am

Ok. Thanks

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Post by Admin Thu May 28, 2015 5:46 pm

The problem has been diagnosed. The file does not contain any framerate information. This means it has to be estimated based on timestamps of the video. This is expected to be implemented in a future version of Icaros.

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