Re: [spice-gtk v3 2/3] channel-display: new stream-video-codec-type property

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Hi,

On Mon, Mar 13, 2017 at 10:58:17AM +0000, Marc-André Lureau wrote:
> Hi
> 
> On Thu, Mar 2, 2017 at 2:37 PM Victor Toso <victortoso@xxxxxxxxxx> wrote:
> 
> > From: Victor Toso <me@xxxxxxxxxxxxxx>
> >
> > This is a per channel-display property that stores and notifies the
> > video-codec type being used if a stream is being used or 0 if there is
> > no ongoing stream.
> >
> 
> It doesn't handle well multiple streams.

Multiple streams with different codecs in a single display channel? I
don't think it is possible.

> I think we should rather expose an array. Perhaps it's time to expose
> display_stream has an object, so we could add readable properties as
> needed.
>
> I would rather revert this patch or fix it before a release.

Not yet sure what it should be fixed. Some example of the issue would be
great.

>
> 
> > Signed-off-by: Victor Toso <victortoso@xxxxxxxxxx>
> > ---
> >  src/channel-display.c | 29 +++++++++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >
> > diff --git a/src/channel-display.c b/src/channel-display.c
> > index 7a5a23b..f30c7ed 100644
> > --- a/src/channel-display.c
> > +++ b/src/channel-display.c
> > @@ -70,6 +70,7 @@ struct _SpiceDisplayChannelPrivate {
> >      GArray                      *monitors;
> >      guint                       monitors_max;
> >      gboolean                    enable_adaptive_streaming;
> > +    SpiceVideoCodecType         stream_video_codec_type;
> >  #ifdef G_OS_WIN32
> >      HDC dc;
> >  #endif
> > @@ -86,6 +87,7 @@ enum {
> >      PROP_MONITORS,
> >      PROP_MONITORS_MAX,
> >      PROP_GL_SCANOUT,
> > +    PROP_STREAM_VIDEO_CODEC_TYPE,
> >  };
> >
> >  enum {
> > @@ -222,6 +224,10 @@ static void spice_display_get_property(GObject
> > *object,
> >          g_value_set_static_boxed(value,
> > spice_display_get_gl_scanout(channel));
> >          break;
> >      }
> > +    case PROP_STREAM_VIDEO_CODEC_TYPE: {
> > +        g_value_set_int(value, c->stream_video_codec_type);
> > +        break;
> > +    }
> >      default:
> >          G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
> >          break;
> > @@ -335,6 +341,23 @@ static void
> > spice_display_channel_class_init(SpiceDisplayChannelClass *klass)
> >                              G_PARAM_STATIC_STRINGS));
> >
> >      /**
> > +     * SpiceDisplayChannel:stream-video-codec-type
> > +     *
> > +     * The SpiceVideoCodecType enum value for the video-codec being used
> > in the
> > +     * current stream or 0 when there is no ongoing streaming.
> > +     *
> > +     * Since: 0.34
> > +     */
> > +    g_object_class_install_property
> > +        (gobject_class, PROP_STREAM_VIDEO_CODEC_TYPE,
> > +         g_param_spec_int("stream-video-codec-type",
> > +                          "Stream Video Codec Type",
> > +                          "The Video Codec Type from current Stream",
> > +                          0, SPICE_VIDEO_CODEC_TYPE_ENUM_END, 0,
> > +                          G_PARAM_READABLE |
> > +                          G_PARAM_STATIC_STRINGS));
> > +
> > +    /**
> >       * SpiceDisplayChannel::display-primary-create:
> >       * @display: the #SpiceDisplayChannel that emitted the signal
> >       * @format: %SPICE_SURFACE_FMT_32_xRGB or %SPICE_SURFACE_FMT_16_555;
> > @@ -1218,6 +1241,10 @@ static void
> > display_handle_stream_create(SpiceChannel *channel, SpiceMsgIn *in)
> >          spice_printerr("could not create a video decoder for codec %u",
> > op->codec_type);
> >          destroy_stream(channel, op->id);
> >          report_invalid_stream(channel, op->id);
> > +    } else {
> > +        spice_debug("New stream created of type: %u", op->codec_type);
> > +        c->stream_video_codec_type = op->codec_type;
> > +        g_coroutine_object_notify(G_OBJECT(channel),
> > "stream-video-codec-type");
> >      }
> >  }
> >
> > @@ -1567,6 +1594,8 @@ static void destroy_stream(SpiceChannel *channel,
> > int id)
> >
> >      g_free(st);
> >      c->streams[id] = NULL;
> > +    c->stream_video_codec_type = 0;
> > +    g_coroutine_object_notify(G_OBJECT(channel),
> > "stream-video-codec-type");
> >  }
> >
> >  static void clear_streams(SpiceChannel *channel)
> > --
> > 2.9.3
> >
> > _______________________________________________
> > Spice-devel mailing list
> > Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/spice-devel
> >
> -- 
> Marc-André Lureau

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