[Libav-user] New encoding / decoding API

[Chao Liu]

On Thu, Oct 20, 2016 at 5:59 AM, Tuukka Pasanen <pasanen.tuukka at gmail.com>
wrote:

> Hello,
>
> Just wondering is this new decode/encode system here to stay? If it is all
> examples should be upgraded as I used ffplay to see how to make it work
> (Use the source) but it shouldn't be like that. codepar is easiest to adapt
> but lot of old code is going to get obsolete soon.
>
I don't see why not.. I like the new decode / encode API. I have a camera
which produces packets containing multiple frames. w/o this change I have
to hack the AVPacket structure after decoding, which is ugly and
error-prone.
The new API deals with this problem decently.

> Sincerely,
>
> Tuukka
>
> 20.10.2016, 06:03, Shu Wang kirjoitti:
>
> Hi Liu,
>
>   *codec -> codecpar* isn't a big change, and is easy to upgrade. Clone
> and pull the snapshot repo, you'll see some examples has been updated,
> though not all of them.
>
>   While the new decode/encode API is another story. I haven't tried these
> yet. Not many examples I can find. Maybe the closest one is this:
> https://blogs.gentoo.org/lu_zero/2016/03/29/new-avcodec-api/
>
> On Thu, Oct 20, 2016 at 6:13 AM, Chao Liu <yijinliu at gmail.com> wrote:
>
>> Hi,
>> I am trying to upgrade our code to 3.1. There are a lot of warnings about
>> deprecated APIs, like use AVStream.codecpar instead of AVStream.codec,
>> use  avcodec_send_packet()/avcodec_receive_frame() instead
>> of avcodec_decode_video2. Are there any examples how to do the transition?
>> I noticed that all these examples
>> <https://www.ffmpeg.org/doxygen/3.1/examples.html> are still using the
>> old APIs. Should they be updated?
>>
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>>
>>
>
>
> --
> Shu. Wang @ Bestminr
> http://halfelf.me
>
>
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