[Merge] lp:~phablet-team/media-hub/metadata-lp1368290 into lp:media-hub

[Alfonso Sanchez-Beato]

See answers to comments.

Diff comments:

> === modified file 'src/core/media/gstreamer/engine.cpp'
> --- src/core/media/gstreamer/engine.cpp	2016-07-11 01:21:38 +0000
> +++ src/core/media/gstreamer/engine.cpp	2016-08-19 15:58:22 +0000
> @@ -208,7 +208,9 @@
>  
>      void on_tag_available(const gstreamer::Bus::Message::Detail::Tag& tag)
>      {
> -        media::Track::MetaData md;
> +        // Note that we update the metadata instead of changing it. This is needed
> +        // as not all tags are refreshed each time we get a tag message.
> +        media::Track::MetaData md = std::get<1>(track_meta_data.get());

It is changed, by on_tag_available(). We get a copy of the metadata, update it, and replace the old one.

>          gstreamer::MetaDataExtractor::on_tag_available(tag, md);
>          track_meta_data.set(std::make_tuple(playbin.uri(), md));
>      }
> @@ -429,6 +431,9 @@
>  bool gstreamer::Engine::open_resource_for_uri(const media::Track::UriType& uri,
>                                                bool do_pipeline_reset)
>  {
> +    media::Track::MetaData md;
> +
> +    d->track_meta_data.set(std::make_tuple(uri, md));

We are setting a new URI so we remove old metadata. Note that we are updating the metadata now instead of just replacing it when a new tag message comes, so a clean-up when a new uri is set is needed now.

>      d->playbin.set_uri(uri, core::ubuntu::media::Player::HeadersType{}, do_pipeline_reset);
>      return true;
>  }


-- 
https://code.launchpad.net/~phablet-team/media-hub/metadata-lp1368290/+merge/303435
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