[FFmpeg-devel] [PATCH] overlay filter
Fri Nov 19 01:19:45 CET 2010
On 11/15/2010 04:08 AM, Stefano Sabatini wrote:
> On date Friday 2010-11-12 15:12:06 +0100, Stefano Sabatini encoded:
>> On date Friday 2010-11-12 13:36:46 +0100, Stefano Sabatini encoded:
>>> On date Friday 2010-07-16 13:29:42 -0700, Baptiste Coudurier encoded:
>>>> On 07/16/2010 10:02 AM, Stefano Sabatini wrote:
>>>>> Hi all,
>>>>> this is a work in progress based on Bobby and Baptiste work.
>>>>> It's not yet ready for review, I'm sending it here in case someone
>>>>> wants to have a look at it and/or commenting it.
>>>> This filter is _highly_ inefficient in this form. Copying the source
>>>> is useless and can be avoided. Furthermore the timestamps handling
>>>> is wrong.
>>>> What you have to do is to handle timestamps correctly in my version.
>>> Done, also this version works with movie-in-movie (but supporting loop
>>> in movie seems a simple and useful feature anyway).
>>> There is still a bug related to direct rendering (and so only visible
>>> with ffplay), looking into that
>> Fixed by adding AV_PERM_PRESERVE flag in the rej_perms.
> Updated with some docs fixes.
Thanks for the work.
Does the filter works to overlay a single picture logo in this form ?
I believe that's a needed feature and I'll work on this.
Somebody else please review the code, I'd like some comments on the
average alpha section for subsampled yuv.
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