MediaInfo(Lib) 0.7 - Reading information about media files

[Atak_Snajpera]

MediaInfo 0.7.6.0 cannot detect VC-1 video

[Zenitram]

Originally Posted by Atak_Snajpera

MediaInfo 0.7.6.0 cannot detect VC-1 video

It detects VC-1 video on my .evo example files.
I don't have .ts (or .m2ts) files with VC-1, so I don't know what is the "stream_type" registered in the TS_program_map_section.

Please contact me (zen@mediaarea.net) for providing me an short example (you can create a 512K file with the official MediaInfo GUi, menu debug, "create a header file"), or if you can't, at least provide me the stream_type (in the official GUI, menu debug, "details - 10", load a file and search for "stream_type" in the text).

[Atak_Snajpera]

sample file
http://www.mediafire.com/?e2jafizmgdw

[Atak_Snajpera]

Another problem

http://www.mediafire.com/?rnxx9z94jjg

this file should be detected as DTS. However if I rename to .dts everything is ok.

General #0
Complete name : C:\Users\Dawidos\Desktop\audio.1.mpa
Format : MPEG-1 Video
Format/Family : MPEG-1
File size : 11.0 MiB

Video #0
Codec : MPEG-1 Video
Codec/Family : MPEG-V
Codec settings, Matrix : Standard
Bit rate mode : CBR
Bit rate : 10 Mbps
Nominal bit rate : 10 Mbps
Width : 939 pixels
Height : 1076 pixels
Display Aspect ratio : 0.851
Frame rate : 0.000 fps
Interlacement : Progressive

[Zenitram]

Originally Posted by Atak_Snajpera

sample file
http://www.mediafire.com/?e2jafizmgdw

thanks for this example file, it is very useful.
I corrected problems, VC-1 will be detected in next version.
btw, PCM stream will too (but not a lot of information, I don't know to parse the PCM stream for finding the count of stream, the bitrate... If you have information about the PCM specifications in bluray, I am interested in )
And Dolby TrueHD stream will be detected as TrueHD, no more AC3 (but not a lot more information, I have only A/52B specifications, and there are no information about TrueHD )

Example of output with my development version for your file:

MPEG-1TS: 63.6 MiB
1920*1080 (16/9), at 24.000 fps, VC-1 (Advanced@3)
English, 640 Kbps, 48 KHz, 6 channels, AC3
English, PCM (Big / Signed)
English, 48 KHz, 6 channels, TrueHD
Chinese, 448 Kbps, 48 KHz, 6 channels, AC3

I will try to improve my MPEG parser for not detect your dts file as MPEG...

[Atak_Snajpera]

Great job!

1920*1080 (16/9), at 24.000 fps, VC-1 (Advanced@3)

It should be 23.976

[Zenitram]

Originally Posted by Atak_Snajpera

It should be 23.976

Another bug :-D
I found my error, corrected, will be OK in the next version.
(sorry, VC-1 bitstream parsing is new for me, and I don't have the specifications, so I do a lot of tests and reading other source code, so I may make mistakes )

[Zenitram]

Originally Posted by Atak_Snajpera

Great job!

You can test it here:
http://sourceforge.net/project/showf...kage_id=197932
File MediaInfo_20080304_GUI_Win32_WithoutInstaller.7z, you can decompress it and copy the DLL to the directory with your prefered GUI.

[LeMoi]

No more detailed x264 infos with latest official build

[Schrade]

Originally Posted by LeMoi

No more detailed x264 infos with latest official build

I was never able to get any detailed x264 info :-/ No matter what build I tried.

Any chance you could point to one that worked for you?

[Atak_Snajpera]

Zenitram audio is still not detected. I hope you will fix that in future

[Zenitram]

Originally Posted by Atak_Snajpera

Zenitram audio is still not detected. I hope you will fix that in future

I try always to correct bugs ;-)

But... With your example file, I have this:

General #0
ID                           : 0
Complete name                : F:\Programmation\MediaInfoLib_CrashTest\Multiple\MPEG Transport\BluRay\VC-1, LPCM\300.edit.ts
Format                       : MPEG-1 Transport
Format/Family                : MPEG-1
File size                    : 63.6 MiB

Video #0
ID                           : 4129 (0x1021)
MenuID                       : 1 (0x1)
Codec                        : VC-1
Codec profile                : Advanced@3
Width                        : 1920 pixels
Height                       : 1080 pixels
Display Aspect ratio         : 16/9
Frame rate                   : 23.976 fps
Chroma                       : 4:2:0
Interlacement                : Progressive

Audio #0
ID                           : 4133 (0x1025)
MenuID                       : 1 (0x1)
Codec                        : AC3
Bit rate mode                : CBR
Bit rate                     : 640 Kbps
Channel(s)                   : 6 channels
Channel positions            : Front: L C R, Rear: L R, LFE
Sampling rate                : 48 KHz
Language                     : English

Audio #1
ID                           : 4134 (0x1026)
MenuID                       : 1 (0x1)
Codec                        : PCM
Codec/Family                 : PCM
Codec settings               : Big / Signed
Codec settings, Endianness   : Big
Codec settings, Sign         : Signed
Resolution                   : 24 bits
Language                     : English

Audio #2
ID                           : 4135 (0x1027)
MenuID                       : 1 (0x1)
Codec                        : TrueHD
Bit rate mode                : CBR
Channel(s)                   : 6 channels
Channel positions            : Front: L C R, Rear: L R, LFE
Sampling rate                : 48 KHz
Language                     : English

Audio #3
ID                           : 4141 (0x102D)
MenuID                       : 1 (0x1)
Codec                        : AC3
Bit rate mode                : CBR
Bit rate                     : 448 Kbps
Channel(s)                   : 6 channels
Channel positions            : Front: L C R, Rear: L R, LFE
Sampling rate                : 48 KHz
Language                     : Chinese

--> For me this is OK.
If you speak about the DTS file with wrong extension, I didn't yet take a look on it, but I will (I have a life next to my promgrammer life ;-) )

PS: Shrade, x264 info was in a development snapshot, I don't remember which one, but don't worry, I will work on it today, the next development snapshot will have x264 info.

[Zenitram]

Originally Posted by Atak_Snajpera

Zenitram audio is still not detected. I hope you will fix that in future

If you speak about your DTS file with wrong extension, it is corrected in version 20080305:
http://sourceforge.net/project/showf...kage_id=197932

General #0
Complete name                : F:\Programmation\MediaInfoLib_CrashTest\Video\MPEG-1&2 Video\False-positive\audio.1.mpa
Format                       : DTS
File size                    : 11.0 MiB
PlayTime                     : 59s 844ms
Bit rate                     : 1536 Kbps

Audio #0
Codec                        : DTS
Bit rate                     : 1536 Kbps
Channel(s)                   : 6 channels
Channel positions            : Front: L C R, Surround: L R, LFE
Sampling rate                : 48 KHz
Resolution                   : 24 bits

Originally Posted by LeMoi

No more detailed x264 infos with latest official build

Originally Posted by Schrade

I was never able to get any detailed x264 info :-/ No matter what build I tried.
Any chance you could point to one that worked for you?

I tested again with my example files:
- x264 in AVI or raw x264 stream should always work in the latestest official release.
- x264 in MKV was not working, now it is OK in version 20080305

General #0
Complete name                : F:\Programmation\MediaInfoLib_CrashTest\Multiple\MKV\AVC\Standard_NTSC_AVC+MP3.mkv
Format                       : Matroska
File size                    : 5.30 MiB
PlayTime                     : 53s 804ms
Bit rate                     : 827 Kbps
Movie name                   : Done with AutoMKV 0.95b http://forum.doom9.org/showthread.php?t=134478 
Encoded date                 : UTC 2008-02-13 16:06:07
Writing application          : mkvmerge v2.1.0 ('Another Place To Fall') built on Aug 19 2007 13:40:07
Writing library              : libebml v0.7.7 + libmatroska v0.8.1

Video #0
Codec                        : AVC
Codec/Family                 : AVC
Codec/Info                   : Advanced Video Codec
Codec profile                : High@L4.1
Codec settings, CABAC        : Yes
PlayTime                     : 53s 750ms
Width                        : 720 pixels
Height                       : 480 pixels
Display Aspect ratio         : 4/3
Frame rate                   : 23.976 fps
Standard                     : NTSC
Chroma                       : 4:2:0
Interlacement                : Progressive
Title                        : Standard_NTSC
Writing library              : x264 - core 58 svn-736M
Encoding settings            : cabac=1 / ref=3 / deblock=1:-2:-1 / analyse=0x3:0x133 / me=umh / subme=5 / me-prepass=0 / brdo=0 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / chroma_qp_offset=0 / threads=6 / nr=0 / decimate=1 / mbaff=0 / bframes=3 / b_pyramid=1 / b_adapt=1 / b_bias=0 / direct=3 / wpredb=1 / bime=1 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=crf / crf=24.0 / rceq='blurCplx^(1-qComp)' / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / ip_ratio=1.40 / pb_ratio=1.30 / aq=0

Audio #0
Codec                        : MPEG-1 Audio layer 3
Codec profile                : Joint stereo
Bit rate mode                : VBR
Channel(s)                   : 2 channels
Sampling rate                : 48 KHz
Resolution                   : 16 bits
Writing library              : Gogo (after 3.0)
Language                     : English

Chapters #0
Language                     : English
1                            : 00:00:00.000 Chapter 1

- x264 raw stream in .mp4 is not yet parsed (--> no information from the stream, only from the SPS/PPS). Planned.

Don't hesitate to provide me samples which don't work in MediaInfo!

[Atak_Snajpera]

Thanks!

[bond]

Originally Posted by Atak_Snajpera

sample file
http://www.mediafire.com/?e2jafizmgdw

hi Atak_Snajpera. I am looking for a bluray sample and wanted to ask whether this is from bluray or a different source, like hdtv?

[Atak_Snajpera]

hi Atak_Snajpera. I am looking for a bluray sample and wanted to ask whether this is from bluray or a different source, like hdtv?

Remuxed from Blu-Ray

[vlada]

Hi,
it's me again with some comments, bug reports, suggestions a feature requests.

While building my application I now moved towards getting information about DVDs and found some more problems.

1) Video Codec says MPEG-2, while Video Codec/Family displays MPEG-V. I'm using the "Codec/Family" to get video compression. It is the very common codec/format confusion I was talking about here. The Codec field should rather display the encoder used (HC, QuEnc, CCE, ProCoder etc.) if it is possible to get them. It's just a very small issue, but it would save me some code if this gets fixed in MediaInfo.

Or maybe add a new field called "Compression"? Or rename the "Codec/Family" to "Compression".

2) PAR of DVD (VOB) is displayed incorrectly. For a standard PAL 16:9 DVD the PAR should be 1.422, but MediaInfo returns 0.703 (which is 1/1.422).

3) Is it possible to get language of an audio track inside a VOB?

Thank you for your hard work. Your program helps me a lot.

[Zenitram]

Originally Posted by vlada

Hi,
it's me again with some comments, bug reports, suggestions a feature requests.

All comments, bug reports, suggestions are welcome

Originally Posted by vlada

While building my application I now moved towards getting information about DVDs and found some more problems.

1) Video Codec says MPEG-2, while Video Codec/Family displays MPEG-V. I'm using the "Codec/Family" to get video compression. It is the very common codec/format confusion I was talking about here.

I gave up the crusade against DivX a long time ago...
FYI, I tried to put "MPEG-4V" (for "MPEG-4 Visual") instead of "DivX" in a "Format" field for some earlier version of MediaInfo, and I tried to put "DivX" in a "Encoded library" field . I recieved tens of email from people saying me that their file is DivX, not a stupid and unknown MPEG-4 Visual...
And for the DivX container format, I show "Divx (Hack of AVI)" instead of saying that is an AVI file, because I received emails saying that the file is a ".divx" file, and that this is not AVI...
The only crusade I currently do is saying that DivX 6 does NOT exist, that the 4CC is always "DX50" and that I can not detect DivX 6 because of no specific 4CC... This is hard enough!
So... the "Codec" field is currently the 4CC/2CC/Matroska string included in the container, and self made text for MPEG streams. This is not the encoder name.

Originally Posted by vlada

The Codec field should rather display the encoder used (HC, QuEnc, CCE, ProCoder etc.) if it is possible to get them. It's just a very small issue, but it would save me some code if this gets fixed in MediaInfo.

Or maybe add a new field called "Compression"? Or rename the "Codec/Family" to "Compression".

The encoder name is the "Encoded_Library" field.
But only when I can detect it (if there is some data in the user_data part (0x000001B2) ). MPEG-2V encoders put often no encoder info, so I can't detect it.
If you are sure that some encoders put the encoder name in the stream, please send me examples.

Originally Posted by vlada

2) PAR of DVD (VOB) is displayed incorrectly. For a standard PAL 16:9 DVD the PAR should be 1.422, but MediaInfo returns 0.703 (which is 1/1.422).

Oh... I was using the old values included in the MPEG-1 Video spec (pel_aspect_ratio=height/width)
PAR is inverted, compared to usual usage. I will change this.

Originally Posted by vlada

3) Is it possible to get language of an audio track inside a VOB?

The language is not a part of a .vob (exactly : a MPEG PS file). This piece of info is only in the IFO file. I plan to corelate xxx.vob with xxx.ifo later, to be able to show the language of a MPEG stream, but this is not currently my priority.

[vlada]

Zenitram
Thanks a lot for your replies. So what about adding a field called "Format" which would show MPEG-1/MPEG-2/MPEG-4 ASP/MPEG-4 AVC/VC-1/DV/MJPEG etc.?

This way you can keep the Codec field as it is now (most people don't know the difference between codec and format anyway) and it will allow me to get format of a video. Because the format is important, anybody can change 4CC of an AVI video within a couple of seconds.

Btw. my opinion is that just because 99% of people are doing something wrong won't make me doing it wrong too. But I agree with you that this is usually very unpractical.

[Zenitram]

Originally Posted by vlada

Btw. my opinion is that just because 99% of people are doing something wrong won't make me doing it wrong too. But I agree with you that this is usually very unpractical.

This is why there is a "Codec/Family" field. DivX or XviD or 3ivX are in the "MPEG-4V" family.
If this field is empty, you use the "Codec" field for having the codec.
"Codec/Family" is not OK for you? Some other geeks use this field to be able to know which decoder must be used.

If needed, you can help me to complete this file:
http://mediainfo.svn.sourceforge.net...Base/Codec.csv
The first column is the 2CC/4CC/Matroska string/my custom string for the "Codec" field".
The 2nd column is for "Codec/String" (a more explicit string)
The 5th column is the "Codec/Family".
If you think there is problems or missings in this file, don't hesitate to fill it, I will integrate it to the next version.