tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2010 Thomas Martitz
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21
22#include <jni.h>
23#include <stdio.h>
24#include <sys/mman.h>
25#include "notification.h"
26#include "appevents.h"
27#include "metadata.h"
28#include "albumart.h"
29#include "misc.h"
30#include "thread.h"
31#include "debug.h"
32#include "audio.h"
33
34extern JNIEnv *env_ptr;
35extern jclass RockboxService_class;
36extern jobject RockboxService_instance;
37
38static jmethodID updateNotification, finishNotification;
39static jobject NotificationManager_instance;
40static jstring title, artist, album, albumart;
41
42/* completely arbitrary dimensions. neded for find_albumart() */
43static const struct dim dim = { .width = 200, .height = 200 };
44#define NZV(a) (a && a[0])
45
46/*
47 * notify about track change, and show track info */
48static void track_changed_callback(unsigned short id, void *param)
49{
50 (void)id;
51 struct mp3entry* id3 = ((struct track_event *)param)->id3;
52 JNIEnv e = *env_ptr;
53 if (id3)
54 {
55 /* passing NULL to DeleteLocalRef() is OK */
56 e->DeleteLocalRef(env_ptr, title);
57 e->DeleteLocalRef(env_ptr, artist);
58 e->DeleteLocalRef(env_ptr, album);
59 e->DeleteLocalRef(env_ptr, albumart);
60
61 char buf[200];
62 const char * ptitle = id3->title;
63 if (!ptitle && *id3->path)
64 { /* pass the filename as title if id3 info isn't available */
65 ptitle = strip_extension(buf, sizeof(buf), strrchr(id3->path,'/') + 1);
66 }
67
68 title = e->NewStringUTF(env_ptr, ptitle ?: "");
69 artist = e->NewStringUTF(env_ptr, id3->artist ?: "");
70 album = e->NewStringUTF(env_ptr, id3->album ?: "");
71
72 albumart = NULL;
73 if (id3->has_embedded_albumart && id3->albumart.type == AA_TYPE_JPG)
74 { /* extract albumart to a temporary file using mmap() */
75 snprintf(buf, sizeof(buf), "/sdcard/rockbox/.temp_albumart_%d.jpg",
76 thread_self());
77 int dst_fd = creat(buf, 0666);
78 if (dst_fd >= 0)
79 {
80 int src_fd = open(id3->path, O_RDONLY);
81 off_t o_pos = id3->albumart.pos;
82 off_t pa_pos = o_pos & ~(sysconf(_SC_PAGE_SIZE) - 1);
83 if (src_fd >= 0)
84 { /* align to page boundary */
85 int pos_diff = o_pos - pa_pos;
86 unsigned char* p = mmap(NULL, id3->albumart.size + pos_diff,
87 PROT_READ, MAP_SHARED, src_fd, pa_pos);
88 if (p != MAP_FAILED)
89 {
90 write(dst_fd, p + pos_diff, id3->albumart.size);
91 munmap(p, id3->albumart.size + pos_diff);
92 albumart = e->NewStringUTF(env_ptr, buf);
93 }
94 close(src_fd);
95 }
96 close(dst_fd);
97 }
98 }
99 else if (find_albumart(id3, buf, sizeof(buf), &dim))
100 {
101 albumart = e->NewStringUTF(env_ptr, buf);
102 }
103
104 e->CallVoidMethod(env_ptr, NotificationManager_instance,
105 updateNotification, title, artist, album, albumart);
106 }
107}
108
109/*
110 * notify about track finishing */
111static void track_finished_callback(unsigned short id, void *param)
112{
113 (void)id;
114 if (((struct track_event *)param)->flags & TEF_REWIND)
115 return; /* Not a true track end */
116
117 JNIEnv e = *env_ptr;
118 e->CallVoidMethod(env_ptr, NotificationManager_instance,
119 finishNotification);
120
121 /* delete temporary albumart file */
122 char buf[MAX_PATH];
123 snprintf(buf, sizeof(buf), "/sdcard/rockbox/.temp_albumart_%d.jpg",
124 thread_self());
125 unlink(buf);
126}
127
128void notification_init(void)
129{
130 JNIEnv e = *env_ptr;
131 jfieldID nNM = e->GetFieldID(env_ptr, RockboxService_class,
132 "mFgRunner", "Lorg/rockbox/Helper/RunForegroundManager;");
133 NotificationManager_instance = e->GetObjectField(env_ptr,
134 RockboxService_instance, nNM);
135 if (NotificationManager_instance == NULL)
136 {
137 DEBUGF("Failed to get RunForegroundManager instance. Performance will be bad");
138 return;
139 }
140
141 jclass class = e->GetObjectClass(env_ptr, NotificationManager_instance);
142 updateNotification = e->GetMethodID(env_ptr, class, "updateNotification",
143 "(Ljava/lang/String;"
144 "Ljava/lang/String;"
145 "Ljava/lang/String;"
146 "Ljava/lang/String;)V");
147 finishNotification = e->GetMethodID(env_ptr, class, "finishNotification",
148 "()V");
149
150 add_event(PLAYBACK_EVENT_TRACK_CHANGE, track_changed_callback);
151 add_event(PLAYBACK_EVENT_TRACK_FINISH, track_finished_callback);
152}