[Cin] HDV files at archive.org

[Andrew Randrianasulu]

чт, 10 нояб. 2022 г., 18:02 Terje J. Hanssen <terjejhanssen at gmail.com>:

>
>
> Den 10.11.2022 14:56, skrev Andrew Randrianasulu:
>
>
>
> чт, 10 нояб. 2022 г., 14:18 Terje J. Hanssen <terjejhanssen at gmail.com>:
>
>>
>>
>> Den 10.11.2022 01:09, skrev Andrew Randrianasulu:
>>
>>
>>
>> чт, 10 нояб. 2022 г., 00:17 Terje J. Hanssen <terjejhanssen at gmail.com>:
>>
>>>
>>>
>>> Den 08.11.2022 20:30, skrev Andrew Randrianasulu:
>>>
>>>
>>>
>>> вт, 8 нояб. 2022 г., 22:07 Andrew Randrianasulu <randrianasulu at gmail.com
>>> >:
>>>
>>>>
>>>>
>>>> вт, 8 нояб. 2022 г., 21:57 Andrew Randrianasulu <
>>>> randrianasulu at gmail.com>:
>>>>
>>>>>
>>>>>
>>>>> вт, 8 нояб. 2022 г., 21:50 Andrew Randrianasulu <
>>>>> randrianasulu at gmail.com>:
>>>>>
>>>>>> https://archive.org/details/jvc_hd7
>>>>>>
>>>>>> unfortunately they all seems to be 25 fps ...
>>>>>>
>>>>>
>>>>>
>>>>> also see
>>>>>
>>>>> https://archive.org/details/hdv01
>>>>>
>>>>> click on details look for mpeg2 files
>>>>>
>>>>
>>>>
>>>> oh, look 29.97!
>>>>
>>>> https://archive.org/details/pioneerpower10
>>>>
>>>>
>>>> 11 gb in full but we hopefully need only part of it for testing ....
>>>>
>>>
>>>
>>>
>>> also this
>>>
>>> https://archive.org/details/snowplow14
>>>
>>> like https://archive.org/download/snowplow14/B01C013.mpg
>>>
>>> they also 29.97
>>>
>>> thing is, while bdwrite does not choke on those - resulting  udfs
>>> displays errors if I not transcode audio first ... (
>>>
>>>
>>>
>>> Just to mentione that I downloaded the latter file, B01C013.mpg
>>>
>>> and checked its video format with
>>>
>>> mediainfo reported
>>>  FileExtension_Invalid                    : ts m2t m2s m4t m4s tmf ts tp
>>> trp ty
>>>
>>
>>
>> yeah, extension IS wrong
>>
>>>
>>>
>>> ffmpeg -v error -i B01C013.mpg -f null - 2>error.log
>>> and
>>> cat error.log
>>> [mpeg2video @ 0x55989aae8500] Invalid frame dimensions 0x0.
>>>     Last message repeated 12 times
>>> [mpeg2video @ 0x55989ad2c980] 00 motion_type at 11 13
>>> [mpeg2video @ 0x55989ad2c980] Warning MVs not available
>>>
>>
>> I think those are there because file was force-cut by byte boundary, not
>> by frame/content boundary?
>>
>> you can try some other files if you have bandwidth to burn :)
>>
>>>
>>>
>>> I don't know if the above imply anything, but the small "3.m2t" file had
>>> none such error messages ......?
>>>
>>>
>>>
>> About the same errors for  another FX1_01.mpg
>> FileExtension_Invalid
>> [mpeg2video @ 0x5598692b9500] Invalid frame dimensions 0x0.
>>     Last message repeated 2 times
>> [mpeg2video @ 0x55986953ccc0] invalid cbp -1 at 74 53
>> [mpeg2video @ 0x55986953ccc0] Warning MVs not available
>>
>> The first I would expect the first is due to change from M2T transport
>> stream to internet MPG program stream(?)
>>
>
>
> well, I hoped internet archive uploader will not change files just
> because, but who knows, may be it changed more than extension ....
>
>
> On of previous discussion of some interest
>
> https://www.dvinfo.net/forum/general-hd-720-1080-acquisition/96546-difference-between-m2t-mpg.html
>
>
>> By the way, when I'm home again I have my own true HDV 1080i.m2t from
>> FX7E to test on, beside the downloaded 2008xxx.m2t
>>
>> And next month CinGG app release will include the interlace patched
>> bdwrite, right?
>>
>
>
> I am not sure my idea is good, considering I do not know how to detect
> those pulldown flags ... If your camera has this 'film' mode it will be
> interesting to get sample ....
>
>>
>>
>>
> No, my HDR-FX7E uses consumer standard 1080i at 50i (25 fps) or HDV2
> (Sony/Canon). The other type was 720p or HDV1 (JVC)
> The first HDV 1080i camcorder to implement recording progressive video
> within an interlaced stream,was the Sony HVR-V1
> https://en.wikipedia.org/wiki/HDV#HDV_1080i
>
> I certainly do not understand the problem regarding bdwrite. If automatic
> detection of interlaced video cannot be recognized i.e via ffmpeg, possibly
> the user can tell it the same way NLE's pre-requisit.
>

well, I'll try to add manual switches to bdwrite then.
Plain interlace probably not a problem, but this weird patterned framerate
conversion might be ...


I.e from a previous Premiere Pro tutorial:   When working in Premiere Pro,
> we highly recommend that you use the sequence settings that match the
> settings of the footage you are working with.
> https://www.agitraining.com/adobe/premiere-pro/tutorials/understanding-digital-video-in-premiere-pro
>
> And also noticed from Wikipedia (not only in the CinGG manual):
> For consumer use, HDV-sourced video can be delivered on a Blu-ray Disc
> without re-encoding, can be converted to AVCHD and delivered on an AVCHD
> disc, or can be downconverted to DVD-Video.
> https://en.wikipedia.org/wiki/HDV#Distributing
>
>
>
>>
>>
>>
>
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