Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-25 Thread Carl Eugen Hoyos 
2016-09-18 5:58 GMT+02:00 afellah :

> I have an Audio file from ikegami gfpack disk, below are the media info
>
> 
>
> and here is the file location

I opened ticket #5863, thank you for the sample!

Carl Eugen
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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-25 Thread afellah 
Thank you Moritez,

i start reading the documentation of MXFlib and im trying to understand
whats this lib is for
can you send me the command of the ffmpeg after you used mfxsplit to extract
the raw file.
thank you



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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-22 Thread Moritz Barsnick 
On Mon, Sep 19, 2016 at 14:20:13 -0700, afellah wrote:
> I tried your command before and its giving an out output file duration
> different than the source
> source = 00:00:51.80
> output file for .mov = 00:00:52.239 and output file for .wav = 00:00:52.216
>  and here is the command :
> >ffmpeg.exe -f s16le -c:a pcm_s16le -ac:a 2 -ar: 48000 -i A2.MXF 21112.mov

That's not what I suggested!

What you are doing here is interpreting the whole MXF file as a raw PCM
audio stream, regardless of headers, padding, scrambling, whatsoever.

But let me ask you this: Does the resulting output file from your
command basically sound correct?

To explain what I did: Carl Eugen asked whether any other program at
all is capable of properly interpreting (and extracting) the contents
A2.MXF without the presence of A1.MXF or perhaps some other metadata
file.

We already know that Mediainfo - unlike ffmpeg - is able to *identify*
the audio stream.

I then used mfxsplit from MXFLib to show that a stream can not only be
identified, but also extracted. Doing this, mxfsplit gave me some raw
stream. *This* stream I then interpreted as raw audio (with the same
parameters as found in the MXF file's metadata) using ffmpeg, and was
able to convert and play it.

And as I mentioned: The length I got was 00:00:51.80, which seems to
correspond what you claim the source has. Assuming the result is okay
(I can provide you with an MP3 or WAV of what I got), this shows that
mxfsplit/MXFlib is capable of doing the right thing, and other tools
like ffmpeg should also.

This wouldn't help *you* right now (unless you resort to mxfsplit), but
it should show that ffmpeg is missing the capability of demuxing these
sort of MXF files correctly. *That* is what we are trying to get
behind. The *next* step would be trying to fix/enhance ffmpeg.

Cheers,
Moritz
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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-22 Thread afellah 
hi Carl
i tried with VLC. A2.mxf cannot be played. VLC crashes.




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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-22 Thread afellah 
Hi Moritz

I tried your command before and its giving an out output file duration
different than the source
source = 00:00:51.80
output file for .mov = 00:00:52.239 and output file for .wav = 00:00:52.216
 and here is the command :
>ffmpeg.exe -f s16le -c:a pcm_s16le -ac:a 2 -ar: 48000 -i A2.MXF 21112.mov

and 

>ffmpeg.exe -f s16le -c:a pcm_s16le -ac:a 2 -ar: 48000 -i A2.MXF 21112.wav


thank you but still not worknig



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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-20 Thread Erik Dobberkau 
>
> > You can import the spanned OP-Atom files (A1) to Premiere
>
> Can you import just A2 (and not A1)?
>
> Carl Eugen
>

Absolutely.

Erik
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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-20 Thread Carl Eugen Hoyos 
2016-09-19 20:07 GMT+02:00 Erik Dobberkau :
> Am Montag, 19. September 2016 schrieb Carl Eugen Hoyos :

>> >> > I have an Audio file from ikegami gfpack disk, below are
>> >> > the media info
>> >> >
>> >> > 
>> >>
>> >> Can you confirm that the file A2.MXF alone (without other
>> >> mxf or xml files) is recognized by any tool?

> You can import the spanned OP-Atom files (A1) to Premiere

Can you import just A2 (and not A1)?

Carl Eugen
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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-19 Thread Erik Dobberkau 
Am Montag, 19. September 2016 schrieb Carl Eugen Hoyos :

> 2016-09-18 23:54 GMT+02:00 Erik Dobberkau  >:
> > Am Sonntag, 18. September 2016 schrieb Carl Eugen Hoyos :
> >
> >> 2016-09-18 5:58 GMT+02:00 afellah   
> >> >:
> >>
> >> > I have an Audio file from ikegami gfpack disk, below are the media
> info
> >> >
> >> > 
> >>
> >> Can you confirm that the file A2.MXF alone (without other mxf or xml
> files)
> >> is recognized by any tool?
> >> (Sorry if I have asked this previously, I forgot)
> >
> > Aye, you can open them in Premiere Pro CC without any issues.
>
> What does "them" mean in this context?
>
>
Neither am I. ;-)
You can import the spanned OP-Atom files (A1) to Premiere and put them
back to back in a timeline, this plays fine without any noise or crackling.
I suppose the second (and third etc) file of these spanned files has a
different header (if it has any header at all) that ffmpeg misinterprets
(in whatever way, just guessing).

Erik
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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-19 Thread Moritz Barsnick 
On Mon, Sep 19, 2016 at 13:43:24 +0200, Carl Eugen Hoyos wrote:
> Do I understand correctly that there is no tool that reads A2.mxf alone
> (without providing A1.MXF)?

mfxsplit from MXFLib [1] is apparently capable of extracting raw tracks
from each of those files independently, which I can in turn interpret
as PCM audio with
$ ffmpeg -f s16le -c:a pcm_s16le -ac:a 2 -ar:a 48000 -i _rawtrack
and which seem to play as something non-random (albeit sounding like a
bad recording, but that may be due to the source).

A1: 00:05:24
A2: 00:00:51.80

[1] https://sourceforge.net/projects/mxflib/
I used the precompiled Windows binaries from the beta-1.2.0-RC1
package.
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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-19 Thread Carl Eugen Hoyos 
2016-09-18 23:38 GMT+02:00 afellah :

> A2.mxf is a final part of an audio file saved in 2 parts in the Ikegami
> disk.
>
> You can find the first part A1.MXF and The second A2.mxf in the below link.
>
> https://drive.google.com/drive/folders/0B3tmVBhr-xu4YjVNQ1VPN2x4ZHM

Do I understand correctly that there is no tool that reads A2.mxf alone
(without providing A1.MXF)?

Carl Eugen
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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-19 Thread Carl Eugen Hoyos 
2016-09-18 23:54 GMT+02:00 Erik Dobberkau :
> Am Sonntag, 18. September 2016 schrieb Carl Eugen Hoyos :
>
>> 2016-09-18 5:58 GMT+02:00 afellah 
>> >:
>>
>> > I have an Audio file from ikegami gfpack disk, below are the media info
>> >
>> > 
>>
>> Can you confirm that the file A2.MXF alone (without other mxf or xml files)
>> is recognized by any tool?
>> (Sorry if I have asked this previously, I forgot)
>
> Aye, you can open them in Premiere Pro CC without any issues.

What does "them" mean in this context?

Sorry, I am not a native speaker, Carl Eugen
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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-19 Thread afellah 
Hi,

A2.mxf is a final part of an audio file saved in 2 parts in the Ikegami
disk.

You can find the first part A1.MXF and The second A2.mxf in the below link.

https://drive.google.com/drive/folders/0B3tmVBhr-xu4YjVNQ1VPN2x4ZHM

is there any possibility to join them together?

Thank you 



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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-18 Thread Erik Dobberkau 
Am Sonntag, 18. September 2016 schrieb Carl Eugen Hoyos :

> 2016-09-18 5:58 GMT+02:00 afellah 
> >:
>
> > I have an Audio file from ikegami gfpack disk, below are the media info
> >
> > 
>
> Can you confirm that the file A2.MXF alone (without other mxf or xml files)
> is recognized by any tool?
> (Sorry if I have asked this previously, I forgot)
>

Aye, you can open them in Premiere Pro CC without any issues. ffmpeg seems
to have some trouble with spanned OP-Atom files.

Erik
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Re: [FFmpeg-user] MXF file from ikegami gfpack

2016-09-18 Thread Carl Eugen Hoyos 
2016-09-18 5:58 GMT+02:00 afellah :

> I have an Audio file from ikegami gfpack disk, below are the media info
>
> 

Can you confirm that the file A2.MXF alone (without other mxf or xml files)
is recognized by any tool?
(Sorry if I have asked this previously, I forgot)

Carl Eugen
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