I'm trying to see if there is a way to determine if a movie file was ripped from a DVD/Blu-ray. Currently the only way I can check is looking at the ffprobe output and checking the tags property:
"_STATISTICS_WRITING_APP-eng: MakeMKV v1.14.5 win(x64-release)"
This tells me it was created by the MakeMKV application. If I have the video properties is there a way to check that it's a straight copy of a DVD/Blu-ray?
Example:
- Bitrate: (7,209 kb/s)
- Resolution: (480p)
- Bit Depth: (8)
- Frame Rate: (23.976)
- Color Space: (YUV)
- Chroma Sampling: (4:2:0)
- File Size: (4.35GiB)
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I have a thought. Using the data I have above could I calculate the bitrate without using file size and see if that value is close to the value provided by mediainfo? I have a bunch of files(movies/shows) and I want a quick way to determine if they've been re-encoded after ripping.
I extracted the video stream out of the movie just for an example.
Code:General Unique ID : 182955288906884022244003373112494559093 (0x89A3E82D2724797CEC2DE563A5168F75) Complete name : C:\Users\xadea\Desktop\out.mkv Format : Matroska Format version : Version 4 File size : 4.36 GiB Duration : 1 h 26 min Overall bit rate mode : Variable Overall bit rate : 7 211 kb/s Writing application : Lavf58.33.100 Writing library : Lavf58.33.100 ErrorDetectionType : Per level 1 Video ID : 1 ID in the original source medium : 224 (0xE0) Format : MPEG Video Format version : Version 2 Format profile : Main@Main Format settings : CustomMatrix / BVOP Format settings, BVOP : Yes Format settings, Matrix : Custom Format settings, GOP : Variable Codec ID : V_MPEG2 Codec ID/Info : MPEG 1 or 2 Video Duration : 1 h 26 min Bit rate mode : Variable Bit rate : 7 209 kb/s Maximum bit rate : 9 800 kb/s Width : 720 pixels Height : 480 pixels Display aspect ratio : 16:9 Frame rate mode : Variable Frame rate : 23.976 FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Scan order : 2:3 Pulldown Compression mode : Lossy Bits/(Pixel*Frame) : 0.870 Time code of first frame : 00:59:59;00 Time code source : Group of pictures header Stream size : 4.35 GiB (100%) Language : English Default : Yes Forced : No Color range : Limited Original source medium : DVD-Video Menu 00:00:00.000 : :Chapter 01 00:05:05.838 : :Chapter 02 00:09:24.063 : :Chapter 03 00:13:18.831 : :Chapter 04 00:18:03.782 : :Chapter 05 00:22:14.533 : :Chapter 06 00:28:51.930 : :Chapter 07 00:32:54.839 : :Chapter 08 00:36:55.913 : :Chapter 09 00:42:27.411 : :Chapter 10 00:44:46.884 : :Chapter 11 00:50:21.218 : :Chapter 12 00:54:45.482 : :Chapter 13 00:59:34.103 : :Chapter 14 01:02:36.619 : :Chapter 15 01:07:12.361 : :Chapter 16 01:13:06.915 : :Chapter 17 01:16:04.593 : :Chapter 18 01:18:48.056 : :Chapter 19 01:19:58.827 : :Chapter 20
Last edited by cr3ative; 2nd Mar 2020 at 17:43.
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No, imo.
You could do a straight disc rip, or take the output of a disc mastering program like scenarist and they'd be identical. -
why? are you dmca enforcer? help? hell no.
--
"a lot of people are better dead" - prisoner KSC2-303
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