I think I have determined that as far as ffmpeg is concerned there is no
input. I added the flag -color_bars false, which I believe tells ffmpeg not
to display color bars in response to lost input. Sure enough, the color bars
went away. I interpret this as telling me that there was no signal, as
op
Hi all,
I've been working with a Decklink Quad HDMI card under Ubuntu 20.04. The
kernel driver is loaded and the Blackmagic software "mediaexpress" displays
the input signal perfectly. However, when I try to use ffplay, it seems
like it knows which of the four channels on the card has a signal, be
Ok, so i found this….
ffprobe -v error -select_streams v:0 -show_entries stream=codec_name \
-of default=noprint_wrappers=1:nokey=1 video.mkv
and i used it on a working video recorded from the same camera. it said
rawvideo
is this a codec? i tried the same command on the broken video, no luc
On 7/13/20, frank rizo wrote:
> I’m not that smart with all this, so, how do i find out that information?
> with a working video from the same source?
Yes, same settings from same source.
>
>> On Jul 13, 2020, at 1:06 PM, Paul B Mahol wrote:
>>
>> On 7/13/20, frank rizo wrote:
>>> I Think I am
On 7/13/2020 10:20 AM, frank rizo wrote:
I’m not that smart with all this, so, how do i find out that
information? with a working video from the same source?
ffprobe will report a lot of info about a video file; I find MediaInfo to be
useful for that, too.
With that, you -may- be able to tell
On 7/13/2020 10:06 AM, Paul B Mahol wrote:
This can be done only if we know which codec where stored in file.
Yep.
Data recovery is always uncertain, whether from a single file or from a hard
drive- if you can't find some indicator of what's where, it's all just
random data (this is why many
I’m not that smart with all this, so, how do i find out that information? with
a working video from the same source?
> On Jul 13, 2020, at 1:06 PM, Paul B Mahol wrote:
>
> On 7/13/20, frank rizo wrote:
>> I Think I am doing this correct, but I get an error. I have recovered some
>> videos from
On 7/13/20, frank rizo wrote:
> I Think I am doing this correct, but I get an error. I have recovered some
> videos from a mac that crashed and can’t be helped… they are .mov files and
> look like they have a lot of data in them. several gig on each one… I have
> tried several unpaid and paid prog
I Think I am doing this correct, but I get an error. I have recovered some
videos from a mac that crashed and can’t be helped… they are .mov files and
look like they have a lot of data in them. several gig on each one… I have
tried several unpaid and paid programs that use and don’t use some ffm
Hello ffmpegs,
I hope I have come to the right place. I've got a problem concatenating
webcam videos through an automatically generated filter chain.
The idea is to combine a series of webcam videos from a webconference,
filling the gaps between webcam videos with still images.
The still ima
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