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/*
* Copyright (C) 2013 Cable Television Laboratories, Inc.
*
* Author: Craig Pratt <craig@ecaspia.com>
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Rygel is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* This class represents a DLNA PlaySpeed response (PlaySpeed.dlna.org)
*/
public class Rygel.PlaySpeedResponse : Rygel.HTTPResponseElement {
public const string FRAMERATE_HEADER = "FrameRateInTrickMode.dlna.org";
PlaySpeed speed;
public const int NO_FRAMERATE = -1;
/**
* The framerate supported for the given rate, in frames per second
*/
public int framerate;
public PlaySpeedResponse (int numerator, uint denominator, int framerate) {
base ();
this.speed = new PlaySpeed (numerator, denominator);
this.framerate = framerate;
}
public PlaySpeedResponse.from_speed (PlaySpeed speed, int framerate)
throws PlaySpeedError {
base ();
this.speed = speed;
this.framerate = framerate;
}
public PlaySpeedResponse.from_string (string speed, int framerate)
throws PlaySpeedError {
base ();
this.speed = new PlaySpeed.from_string (speed);
this.framerate = framerate;
}
public bool equals (PlaySpeedRequest that) {
if (that == null) return false;
return (this.speed.equals (that.speed));
}
public override void add_response_headers (Rygel.HTTPRequest request) {
if (!this.speed.is_normal_rate ()) {
var headers = request.msg.get_response_headers ();
// Format: PlaySpeed.dlna.org: speed=<rate>
headers.append (PlaySpeedRequest.PLAYSPEED_HEADER,
"speed=" + this.speed.to_string ());
if (this.framerate > 0) {
// Format: FrameRateInTrickMode.dlna.org: rate=<2-digit framerate>
var framerate_val = "rate=%02d".printf(this.framerate);
headers.append (FRAMERATE_HEADER, framerate_val);
}
if (request.msg.get_http_version () == Soup.HTTPVersion.@1_0) {
headers.replace ("Pragma", "no-cache");
}
}
}
public override string to_string () {
return ("PlaySpeedResponse(speed=%s, framerate=%d)"
.printf (this.speed.to_string (), this.framerate));
}
}
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