[FFmpeg-devel] [PATCH] lavf/matroska: Export codecdelay and seekpreroll as metadata tags

Vignesh Venkatasubramanian vigneshv at google.com
Wed Sep 18 23:13:41 CEST 2013

On Wed, Sep 18, 2013 at 11:47 AM, Vignesh Venkatasubramanian
<vigneshv at google.com> wrote:
> On Wed, Sep 18, 2013 at 11:39 AM, wm4 <nfxjfg at googlemail.com> wrote:
>> On Tue, 17 Sep 2013 12:36:47 -0700
>> Vignesh Venkatasubramanian <vigneshv at google.com> wrote:
>>> This patch exports the values of Codec Delay and Seek Preroll
>>> container elements as metadata tags.
>> Shouldn't metadata contain tags? How do I know whether a metadata entry
>> should be user-visible (because it's a tag) or not (because it's file
>> specific data).
>> Is this information needed for correct playback (i.e. does a video
>> player need it)? If yes, shouldn't it be part of the AVCodecContext? If
>> no, why export it?
> Agreed. Lack of understanding from my part caused this confustion. Sorry
> about that.
> Anyway, I think it should be part of AVStream and not AVCodecContext.
> Is that correct? I will update the patch accordingly.

I have sent another patch to the list. Please look into that and
abandon this thread.

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