[Live-devel] Open H.264 stream frame by frame

[Muhammad Ali]

Hi Marcin,

You'll have to use libavcodec to get decoded frames ( frame / frame)  and
then convert the received frame to either Iplimage or Mat whichever you
prefer.

You can check sample code given under ffmpeg sources to see how you can use
libavcodec.
On Sep 24, 2014 4:38 PM, "Christiano Belli" <christiano at techideasbrasil.com>
wrote:

> Hi Marcin,
>
>     Thanks for the response. Where can I get a example of use live555 with
> ffmpeg?
>
>
> Att.
>
> Christiano Belli
> Cel.: +55 (41) 8444-7468
> christiano at techideasbrasil.com <christianobelli at hotmail.com>
>
> On Wed, Sep 24, 2014 at 3:18 AM, Marcin <marcin at speed666.info> wrote:
>
>>  Hi,
>> Really - i think that you have to decode the stream to get frame-by-frame
>> data for further analysis. Soon Ross will reply also that Live555 is not
>> responsible for decoding/encoding stream but only for reciving it.
>> I think you have to use ffmpeg or libavcodec for example to decode
>> bitstream recived by live555 libs and then pass it to analyzing software as
>> RAW data.
>> Marcin
>>
>> W dniu 2014-09-24 03:07, Christiano Belli pisze:
>>
>>  Hello, I'm new with live555 and I'm so exciting in learning this. I
>> have some questions:
>>
>>  There is a way where I can get the RTSP/H.264 stream from a ip camera
>> and get each frame from video to do video analytics with openCV per example.
>>
>>  Does the process to get each frame from a RTSP/H.264 stream need a lot
>> of machine resources?
>>
>>  Can I in the same time which I'm analyzing the video, save and live
>> streaming the same stream?
>>
>>  All suggestions will help me a lot.
>>
>> Att.
>>
>>  Christiano Belli
>> Cel.: +55 (41) 8444-7468
>> christiano at techideasbrasil.com <christianobelli at hotmail.com>
>>
>>
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>>
>>
>>
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>>
>
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