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Android: Support embedded albumart in the widget.

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This is achieved by writing the jpeg out to a temporary file.
This approach can probably be also used to support embedded albumart in pictureflow.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29522 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2011-03-05 18:05:26 +00:00
parent cc889e9d60
commit 396ddd9fd7
1 changed files with 37 additions and 1 deletions
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38
apps/hosted/notification.c
View file

@ -21,11 +21,13 @@
#include <jni.h>
#include <stdio.h>
#include <sys/mman.h>
#include "notification.h"
#include "appevents.h"
#include "metadata.h"
#include "albumart.h"
#include "misc.h"
#include "thread.h"
#include "debug.h"
extern JNIEnv *env_ptr;
@ -66,8 +68,36 @@ static void track_changed_callback(void *param)
album = e->NewStringUTF(env_ptr, id3->album ?: "");
albumart = NULL;
if (find_albumart(id3, buf, sizeof(buf), &dim))
if (id3->embed_albumart && id3->albumart.type == AA_TYPE_JPG)
{ /* extract albumart to a temporary file using mmap() */
snprintf(buf, sizeof(buf), "/sdcard/rockbox/.temp_albumart_%d.jpg",
thread_self());
int dst_fd = creat(buf, 0666);
if (dst_fd >= 0)
{
int src_fd = open(id3->path, O_RDONLY);
off_t o_pos = id3->albumart.pos;
off_t pa_pos = o_pos & ~(sysconf(_SC_PAGE_SIZE) - 1);
if (src_fd >= 0)
{ /* align to page boundary */
int pos_diff = o_pos - pa_pos;
unsigned char* p = mmap(NULL, id3->albumart.size + pos_diff,
PROT_READ, MAP_SHARED, src_fd, pa_pos);
if (p != MAP_FAILED)
{
write(dst_fd, p + pos_diff, id3->albumart.size);
munmap(p, id3->albumart.size + pos_diff);
albumart = e->NewStringUTF(env_ptr, buf);
}
close(src_fd);
}
close(dst_fd);
}
}
else if (find_albumart(id3, buf, sizeof(buf), &dim))
{
albumart = e->NewStringUTF(env_ptr, buf);
}
e->CallVoidMethod(env_ptr, NotificationManager_instance,
updateNotification, title, artist, album, albumart);
@ -82,6 +112,12 @@ static void track_finished_callback(void *param)
JNIEnv e = *env_ptr;
e->CallVoidMethod(env_ptr, NotificationManager_instance,
finishNotification);
/* delete temporary albumart file */
char buf[MAX_PATH];
snprintf(buf, sizeof(buf), "/sdcard/rockbox/.temp_albumart_%d.jpg",
thread_self());
unlink(buf);
}
void notification_init(void)