[FFmpeg-devel] [PATCH] doc/filters: Add ascii graphics to clarify what the currently implemented tinterlace modes do

tim nicholson nichot20 at yahoo.com
Thu Dec 4 09:24:45 CET 2014


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On 02/12/14 17:13, Michael Niedermayer wrote:
> On Tue, Dec 02, 2014 at 05:02:49PM +0000, tim nicholson wrote:
>> On 02/12/14 15:33, Michael Niedermayer wrote:
>>> Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
>>> ---
>>>  doc/filters.texi |  131 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>  1 file changed, 131 insertions(+)
>>>
>>> diff --git a/doc/filters.texi b/doc/filters.texi
>>> index 8c16c7a..0ea3955 100644
>>> --- a/doc/filters.texi
>>> +++ b/doc/filters.texi
>>> @@ -8537,33 +8537,164 @@ Available values are:
>>>  @item merge, 0
>>>  Move odd frames into the upper field, even into the lower field,
>>>  generating a double height frame at half frame rate.
>>> + at example
>>> + ------> time
>>> +Input:
>>> +Frame 1         Frame 2         Frame 3         Frame 4
>>> +
>>> +11111           22222           33333           44444
>>> +11111           22222           33333           44444
>>> +11111           22222           33333           44444
>>> +11111           22222           33333           44444
>>> +
>>> +Output:
>>> +11111                           33333
>>> +22222                           44444
>>> +11111                           33333
>>> +22222                           44444
>>> +11111                           33333
>>> +22222                           44444
>>> +11111                           33333
>>> +22222                           44444
>>> [..]
>>
>> I find the ascii graphic style of the interlace filter more
>> understandable....
> 
> how do you suggest above (and the other modes) would be documented
> in that style ?
> 

Sorry for the delayed reply ISP issue...

I think the main difference is going left to right, not top to bottom
for input to output, this then matches not only interlace but the
general filtergraph descriptions.

I will try and see if I can give an example if you like.

> 
> [...]

- -- 
Tim.
Key Fingerprint 38CF DB09 3ED0 F607 8B67 6CED 0C0B FC44 8B0B FC83
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