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/*
* Copyright (C) 2008, 2009 Nokia Corporation.
* Copyright (C) 2012 Intel Corporation.
* Copyright (C) 2013 Cable Television Laboratories, Inc.
*
* Author: Zeeshan Ali (Khattak) <zeeshanak@gnome.org>
* <zeeshan.ali@nokia.com>
* Jens Georg <jensg@openismus.com>
* 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
*/
using GUPnP;
internal class Rygel.HTTPSubtitleHandler : Rygel.HTTPGetHandler {
private MediaFileItem media_item;
private int subtitle_index;
public Subtitle subtitle;
public HTTPSubtitleHandler (MediaFileItem media_item,
int subtitle_index,
Cancellable? cancellable)
throws HTTPRequestError {
this.media_item = media_item;
this.subtitle_index = subtitle_index;
this.cancellable = cancellable;
if (subtitle_index >= 0 && media_item is VideoItem) {
var video_item = media_item as VideoItem;
if (subtitle_index < video_item.subtitles.size) {
this.subtitle = video_item.subtitles.get (subtitle_index);
}
}
if (this.subtitle == null) {
var msg = /*_*/("Subtitle index %d not found for item '%s");
throw new HTTPRequestError.NOT_FOUND (msg,
subtitle_index,
media_item.id);
}
}
public override bool supports_transfer_mode (string mode) {
// Support interactive and background transfers only
return (mode != TRANSFER_MODE_STREAMING);
}
public override void add_response_headers (HTTPGet request)
throws HTTPRequestError {
// Add Content-Type
request.msg.get_response_headers ().append ("Content-Type",
subtitle.mime_type);
// Add contentFeatures.dlna.org
// This is functionally equivalent to how contentFeatures was formed
// via the (deprecated) HTTPIdentityHandler
var res = this.media_item.get_resource_list ().get (0);
var protocol_info = res.get_protocol_info ().to_string ();
var pi_fields = protocol_info.split (":", 4);
request.msg.get_response_headers ().append ("contentFeatures.dlna.org",
pi_fields[3]);
// Chain-up
base.add_response_headers (request);
}
public override HTTPResponse render_body (HTTPGet request)
throws HTTPRequestError {
DataSource src;
try {
var engine = MediaEngine.get_default ();
src = engine.create_data_source_for_uri (this.subtitle.uri);
return new HTTPResponse (request, this, src);
} catch (Error err) {
throw new HTTPRequestError.NOT_FOUND (err.message);
}
}
public override int64 get_resource_size () {
return subtitle.size;
}
public override bool supports_byte_seek () {
return true;
}
}
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