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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <curl/curl.h>
#include <errno.h>
#include <dirent.h>
#include "../../deadbeef.h"
#include "artwork.h"
#include "lastfm.h"
#include "albumartorg.h"
//#define trace(...) { fprintf(stderr, __VA_ARGS__); }
#define trace(...)
static DB_artwork_plugin_t plugin;
DB_functions_t *deadbeef;
int
fetch_to_stream (const char *url, FILE *stream)
{
CURL *curl = curl_easy_init();
curl_easy_setopt (curl, CURLOPT_URL, url);
curl_easy_setopt (curl, CURLOPT_WRITEDATA, stream);
curl_easy_setopt (curl, CURLOPT_FOLLOWLOCATION, 1);
CURLcode ret = curl_easy_perform (curl);
curl_easy_cleanup (curl);
return ret;
}
int
fetch_to_file (const char *url, const char *filename)
{
/**
* Downloading files directly to its locations can cause
* cachehits of semi-downloaded files. That's why I use
* temporary files
*/
char temp [1024];
int ret;
snprintf (temp, sizeof (temp), "%s.part", filename);
FILE *stream = fopen (temp, "wb");
if (!stream)
{
fprintf (stderr, "Could not open %s for writing\n", temp);
return 0;
}
ret = fetch_to_stream (url, stream);
if (ret != 0)
printf ("Failed to fetch %s\n", url);
fclose (stream);
if (0 == ret)
{
ret = (0 == rename (temp, filename));
if (!ret)
trace ("Could not move %s to %s: %d\n", temp, filename, errno);
}
return ret;
}
char*
fetch (const char *url)
{
char *data;
size_t size;
FILE *stream = open_memstream (&data, &size);
fetch_to_stream (url, stream);
fclose (stream);
return data;
}
static int
check_dir (const char *dir, mode_t mode)
{
char *tmp = strdup (dir);
char *slash = tmp;
struct stat stat_buf;
do
{
slash = strstr (slash+1, "/");
if (slash)
*slash = 0;
// trace ("Checking %s\n", tmp);
if (-1 == stat (tmp, &stat_buf))
{
if (0 != mkdir (tmp, mode))
{
trace ("Failed to create %s (%d)\n", tmp, errno);
free (tmp);
return 0;
}
}
if (slash)
*slash = '/';
}
while (slash);
free (tmp);
return 1;
}
typedef struct
{
const char *artist;
const char *album;
artwork_callback callback;
} fetcher_thread_param_t;
static void
fetcher_thread (fetcher_thread_param_t *param)
{
char path [1024];
snprintf (path, sizeof (path), "%s/artcache/%s", deadbeef->get_config_dir (), param->artist);
if (!check_dir (path, 0755))
goto finalize;
snprintf (path, sizeof (path), "%s/artcache/%s/%s.jpg", deadbeef->get_config_dir (), param->artist, param->album);
if (!fetch_from_lastfm (param->artist, param->album, path))
if (!fetch_from_albumart_org (param->artist, param->album, path))
goto finalize;
if (param->callback)
param->callback (param->artist, param->album);
finalize:
free (param);
return;
}
static int
filter_jpg (const struct dirent *f)
{
const char *ext = strrchr (f->d_name, '.');
if (!ext)
return 0;
if (0 == strcasecmp (ext, ".jpg") ||
0 == strcasecmp (ext, ".jpeg"))
return 1;
return 0;
}
char*
get_album_art (DB_playItem_t *track, artwork_callback callback)
{
char path [1024];
struct dirent **files;
int files_count;
const char *album = deadbeef->pl_find_meta (track, "album");
const char *artist = deadbeef->pl_find_meta (track, "artist");
/* Searching in track diectory */
strncpy (path, track->fname, sizeof (path));
*(strrchr (path, '/')) = 0; //Supposing at least one slash exist
// trace ("Scanning: %s\n", path);
files_count = scandir (path, &files, filter_jpg, alphasort);
/* if (files_count < 0)
trace ("Failed to scan dir");
if (files_count == 0)
trace ("No jpg's found in directoy");*/
if (files_count > 0)
{
strcat (path, "/");
strcat (path, files[0]->d_name);
char *res = strdup (path);
trace ("Found: %s\n", res);
int i;
for (i = 0; i < files_count; i++)
free (files [i]);
return res;
}
/* Searching in cache */
if (!artist || !*artist || !album || !*album)
{
//give up
return PREFIX "/share/deadbeef/pixmaps/blank_cd.jpg";
}
snprintf (path, sizeof (path), "%s/artcache/%s/%s.jpg", deadbeef->get_config_dir (), artist, album);
struct stat stat_buf;
if (0 == stat (path, &stat_buf))
{
char *res = strdup (path);
// printf ("Found in cache: %s\n", res);
return res;
}
/* Downloading from internet */
trace ("Downloading: %s %s\n", artist, album);
fetcher_thread_param_t *param = malloc (sizeof (fetcher_thread_param_t));
param->artist = artist;
param->album = album;
param->callback = callback;
deadbeef->thread_start ((void (*)(void *))fetcher_thread, param);
return PREFIX "/share/deadbeef/pixmaps/blank_cd.jpg";
}
DB_plugin_t *
artwork_load (DB_functions_t *api) {
deadbeef = api;
return DB_PLUGIN (&plugin);
}
static int
artwork_plugin_start (void)
{
}
static int
artwork_plugin_stop (void)
{
}
// define plugin interface
static DB_artwork_plugin_t plugin = {
.plugin.plugin.api_vmajor = DB_API_VERSION_MAJOR,
.plugin.plugin.api_vminor = DB_API_VERSION_MINOR,
.plugin.plugin.type = DB_PLUGIN_MISC,
.plugin.plugin.id = "cover_loader",
.plugin.plugin.name = "Album Artwork",
.plugin.plugin.descr = "Loads album artwork either from local directories or from internet",
.plugin.plugin.author = "Viktor Semykin",
.plugin.plugin.email = "thesame.ml@gmail.com",
.plugin.plugin.website = "http://deadbeef.sf.net",
.plugin.plugin.start = artwork_plugin_start,
.plugin.plugin.stop = artwork_plugin_stop,
.get_album_art = get_album_art,
};
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