1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* 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.HTTPThumbnailHandler : Rygel.HTTPGetHandler {
private MediaFileItem media_item;
private int thumbnail_index;
private Thumbnail thumbnail;
public HTTPThumbnailHandler (MediaFileItem media_item,
int thumbnail_index,
Cancellable? cancellable)
throws HTTPRequestError {
this.media_item = media_item;
this.thumbnail_index = thumbnail_index;
this.cancellable = cancellable;
if (media_item is MusicItem) {
var music_item = media_item as MusicItem;
this.thumbnail = music_item.album_art;
} else if (media_item is VisualItem) {
var visual_item = media_item as VisualItem;
if (thumbnail_index < visual_item.thumbnails.size) {
this.thumbnail = visual_item.thumbnails.get (thumbnail_index);
}
}
if (this.thumbnail == null) {
var msg = ("Thumbnail index %d not found for item '%s");
throw new HTTPRequestError.NOT_FOUND (msg,
thumbnail_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.response_headers.append ("Content-Type",
thumbnail.mime_type);
// Add contentFeatures.dlna.org
var res = this.thumbnail.get_resource
(request.http_server.get_protocol (),
this.thumbnail_index);
var protocol_info = res.get_protocol_info ().to_string ();
var pi_fields = protocol_info.split (":", 4);
request.msg.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.thumbnail.uri);
return new HTTPResponse (request, this, src);
} catch (Error err) {
throw new HTTPRequestError.NOT_FOUND (err.message);
}
}
public override int64 get_resource_size () {
return thumbnail.size;
}
public override bool supports_byte_seek () {
return true;
}
}
|
