[FFmpeg-devel] Google Summer of Code participation

[Michael Niedermayer]

On Thu, Apr 09, 2009 at 10:21:34PM +0200, Thilo Borgmann wrote:
>
>
> Michael Niedermayer schrieb:
>>> +            int i,j;
>>> +            int offset = 0;
>>> +            uint8_t *pd = s->current_picture->data[0];
>>> +            uint8_t *pd_last = s->last_picture->data[0];
>>> +
>>> +            for(j=0; j < s->height; j++) {
>>> +                for(i=0; i < s->width * s->bpp; i++) {
>>> +                    pd[offset + i] = pd[offset + i] + pd_last[offset + 
>>> i];
>>> +                }
>>> +                offset += s->image_linesize;
>>>     
>>
>> pd += linesize
>> pd_last += linesize
>> -> no more offset needed
>>
>>   
> Wonderful.
>>   
>>> +            }
>>> +        }
>>> +    }
>>> +
>>> +    *picture= *s->current_picture;
>>>      *data_size = sizeof(AVFrame);
>>>       ret = s->bytestream - s->bytestream_start;
>>> @@ -602,8 +624,11 @@ static int decode_frame(AVCodecContext *avctx,
>>>  static av_cold int png_dec_init(AVCodecContext *avctx){
>>>      PNGDecContext *s = avctx->priv_data;
>>>  -    avcodec_get_frame_defaults(&s->picture);
>>> -    avctx->coded_frame= &s->picture;
>>> +    s->current_picture = &s->picture1;
>>> +    s->last_picture = &s->picture2;
>>> +    avcodec_get_frame_defaults(&s->picture1);
>>> +    avcodec_get_frame_defaults(&s->picture2);
>>>     
>>
>>   
>>> +    avctx->coded_frame= s->current_picture;
>>>     
>>
>> unneeded
>>   
> Indeed. Has been deleted.
>
> Revision 3 attached - really and truly.

looks fine if tested

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Observe your enemies, for they first find out your faults. -- Antisthenes
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