Hi,

On Wed, Apr 27, 2011 at 2:39 PM, Ronald S. Bultje <[email protected]> wrote:
> Hi,
>
> On Wed, Apr 27, 2011 at 10:52 AM, Stefano Sabatini
> <[email protected]> wrote:
>> On date Tuesday 2011-04-26 19:20:46 +0200, Reimar Döffinger encoded:
>>> On Tue, Apr 26, 2011 at 11:53:25AM +0200, Stefano Sabatini wrote:
>>> > Also remove unnecessary call to avctx->release_buffer(). reget_buffer
>>> > is required since apparently the coded needs to be passed the previous
>>> > frame data again.
>>>
>>> If that is correct
>>>
>>> >      p->reference= 0;
>>> > -    if(avctx->get_buffer(avctx, p) < 0){
>>> > -        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
>>> > +    if (avctx->reget_buffer(avctx, p) < 0) {
>>>
>>> This can't work.
>>> Setting reference=0 means (I think) e.g. it is ok for libavfilter to
>>> just draw an OSD directly on the frame instead of making a copy.
>>> Or to say it differently: Always using reference = 0 and reget_buffer 
>>> together
>>> make no sense.
>>
>> So may naive fix is: force reference to 1, so application/libavfilter
>
> That is incorrect. reference=1 means only the top field is referenced.
> You need to set reference=3. (Not that it matters, but just to be
> correct.)

So queued with that.

Ronald
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