Re: Can't get kino or dvgrab to work

On Tue, Oct 20, 2009 at 9:50 AM, Carl Karsten <[email protected]> wrote:
> On Tue, Oct 20, 2009 at 11:27 AM, Dan Dennedy <[email protected]> wrote:
>> On Tue, Oct 20, 2009 at 12:30 AM, Stefan Richter
>> <[email protected]> wrote:
>>> Danny Piccirillo wrote:
>>>> I've been trying to capture video from my DV camera but Kino freezes every
>>>> time i try (using Ubuntu Karmic by the way), and dvgrab won't grab more than
>>>> the first few seconds. dvgrab has at least made some progress and captured a
>>>> little bit, but for some reason it stops early.
>>>
>>> dvgrab stops early for me too (when I tried it the last time), but I can
>>> successfully work around that by means of the -noavc option.
>>
>> Let's focus on dvgrab for now. My suspicion is that dvgrab believes it
>> is at the end of the tape, and -noavc suppresses the ability to detect
>> that. I have not reproduced the problem yet. It could be
>> device-dependent behavior.
>>
>>> Dan had a suggestion for me what I should check in the dvgrab source to
>>> narrow down my problem, but I didn't spend the time to do that yet.
>>
>> There is a big test in the middle of captureThreadRun() in dvgrab.cc
>> around a call to writeFrame(). It would be interesting test for
>> someone who is affected by this bug to comment the if lines and call
>> writeFrame unconditionally to see if it resolves.
>>
>
> I may have just bumped into this.  in case I sound grumpy, not at all
> - I ran 3 cameras, 2 hooked to laptops running kino and dvgrab.  at
> the end of the day, things turned out great.  Dan, thanks again for
> your work :)
>
> I was asked "record to tape also" which I normally don't do.  it
> seemed to change how kino and dvgrab were behaving.  it was a live
> event, I was noticing this 30 min before curtain, so I didn't have
> much time to study what was going on.
>
> I'll do the "comment the if lines" test.  What is the expected
> behavior when using kino or dvgrab when there is a tape in the camera
> and record/pause is being hit?

See the man page description of the -recordonly option, where I tried
to explain it best.

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