Re: [PATCH spice-html5 2/3] Implement support for sized data streams.

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Hey,

Not very familiar with the html5 code, but looks good

On Wed, Jun 03, 2015 at 05:22:54PM -0500, Jeremy White wrote:
> Signed-off-by: Jeremy White <jwhite@xxxxxxxxxxxxxxx>
> ---
>  display.js   | 60 ++++++++++++++++++++++++++++++++++++++----------------------
>  enums.js     | 11 +++++++++++
>  spiceconn.js |  4 ++++
>  spicemsg.js  | 23 +++++++++++++++++++++++
>  4 files changed, 76 insertions(+), 22 deletions(-)
> 
> diff --git a/display.js b/display.js
> index a749dae..7027230 100644
> --- a/display.js
> +++ b/display.js
> @@ -487,32 +487,21 @@ SpiceDisplayConn.prototype.process_channel_message = function(msg)
>          }
>          if (this.streams[m.base.id].codec_type === SPICE_VIDEO_CODEC_TYPE_MJPEG)
>          {
> -            var tmpstr = "data:image/jpeg,";
> -            var img = new Image;
> -            var i;
> -            for (i = 0; i < m.data.length; i++)
> -            {
> -                tmpstr +=  '%';
> -                if (m.data[i] < 16)
> -                tmpstr += '0';
> -                tmpstr += m.data[i].toString(16);
> -            }
> -            var strm_base = new SpiceMsgDisplayBase();
> -            strm_base.surface_id = this.streams[m.base.id].surface_id;
> -            strm_base.box = this.streams[m.base.id].dest;
> -            strm_base.clip = this.streams[m.base.id].clip;
> -            img.o =
> -                { base: strm_base,
> -                  tag: "mjpeg." + m.base.id,
> -                  descriptor: null,
> -                  sc : this,
> -                };
> -            img.onload = handle_draw_jpeg_onload;
> -            img.src = tmpstr;
> +            process_mjpeg_stream_data(this, m);
> +
>          }
>          return true;
>      }
>  
> +    if (msg.type == SPICE_MSG_DISPLAY_STREAM_DATA_SIZED)
> +    {
> +        var m = new SpiceMsgDisplayStreamDataSized(msg.data);
> +        if (this.streams[m.base.id].codec_type === SPICE_VIDEO_CODEC_TYPE_MJPEG)
> +            process_mjpeg_stream_data(this, m);
> +        return true;
> +    }
> +
> +
>      if (msg.type == SPICE_MSG_DISPLAY_STREAM_CLIP)
>      {
>          var m = new SpiceMsgDisplayStreamClip(msg.data);
> @@ -821,3 +810,30 @@ function handle_draw_jpeg_onload()
>          this.o.sc.surfaces[this.o.base.surface_id].draw_count++;
>      }
>  }
> +
> +function process_mjpeg_stream_data(sc, m)
> +{
> +    var tmpstr = "data:image/jpeg,";
> +    var img = new Image;
> +    var i;
> +    for (i = 0; i < m.data.length; i++)
> +    {
> +        tmpstr +=  '%';
> +        if (m.data[i] < 16)
> +        tmpstr += '0';
> +        tmpstr += m.data[i].toString(16);
> +    }
> +    var strm_base = new SpiceMsgDisplayBase();
> +    strm_base.surface_id = sc.streams[m.base.id].surface_id;
> +    strm_base.box = m.dest || sc.streams[m.base.id].dest;
> +    strm_base.clip = sc.streams[m.base.id].clip;
> +    img.o =
> +        { base: strm_base,
> +          tag: "mjpeg." + m.base.id,
> +          descriptor: null,
> +          sc : sc,
> +        };
> +    img.onload = handle_draw_jpeg_onload;
> +    img.src = tmpstr;
> +}
> +
> diff --git a/enums.js b/enums.js
> index 17d77cb..7f55e46 100644
> --- a/enums.js
> +++ b/enums.js
> @@ -127,6 +127,10 @@ var SPICE_MSG_DISPLAY_DRAW_TRANSPARENT  = 312;
>  var SPICE_MSG_DISPLAY_DRAW_ALPHA_BLEND  = 313;
>  var SPICE_MSG_DISPLAY_SURFACE_CREATE    = 314;
>  var SPICE_MSG_DISPLAY_SURFACE_DESTROY   = 315;
> +var SPICE_MSG_DISPLAY_STREAM_DATA_SIZED = 316;
> +var SPICE_MSG_DISPLAY_MONITORS_CONFIG   = 317;
> +var SPICE_MSG_DISPLAY_DRAW_COMPOSITE    = 318;
> +var SPICE_MSG_DISPLAY_STREAM_ACTIVATE_REPORT = 319;
>  
>  var SPICE_MSGC_DISPLAY_INIT             = 101;
>  
> @@ -171,6 +175,13 @@ var SPICE_MAIN_CAP_NAME_AND_UUID          = 1;
>  var SPICE_MAIN_CAP_AGENT_CONNECTED_TOKENS = 2;
>  var SPICE_MAIN_CAP_SEAMLESS_MIGRATE       = 3;
>  
> +var SPICE_DISPLAY_CAP_SIZED_STREAM        = 0;
> +var SPICE_DISPLAY_CAP_MONITORS_CONFIG     = 1;
> +var SPICE_DISPLAY_CAP_COMPOSITE           = 2;
> +var SPICE_DISPLAY_CAP_A8_SURFACE          = 3;
> +var SPICE_DISPLAY_CAP_STREAM_REPORT       = 4;
> +var SPICE_DISPLAY_CAP_LZ4_COMPRESSION     = 5;
> +

I guess not all of these new constants are needed for this commit, but
they are there for completeness?

ACK.

Christophe

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