static char *
save_resized_album_art(image_s *imsrc, const char *path)
{
int dstw, dsth;
image_s *imdst;
char *cache_file;
char cache_dir[MAXPATHLEN];
if( !imsrc )
return NULL;
if( art_cache_exists(path, &cache_file) )
return cache_file;
strncpyt(cache_dir, cache_file, sizeof(cache_dir));
make_dir(dirname(cache_dir), S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
if( imsrc->width > imsrc->height )
{
dstw = 160;
dsth = (imsrc->height<<8) / ((imsrc->width<<8)/160);
}
else
{
dstw = (imsrc->width<<8) / ((imsrc->height<<8)/160);
dsth = 160;
}
imdst = image_resize(imsrc, dstw, dsth);
if( !imdst )
goto error;
if( image_save_to_jpeg_file(imdst, cache_file) == 0 )
{
image_free(imdst);
return cache_file;
}
else
image_free(imdst);
error:
free(cache_file);
return NULL;
}
static char *
check_for_album_file(const char *path)
{
char file[MAXPATHLEN];
char mypath[MAXPATHLEN];
struct album_art_name_s *album_art_name;
image_s *imsrc = NULL;
int width=0, height=0;
char *art_file;
const char *dir;
struct stat st;
int ret;
if( stat(path, &st) != 0 )
return NULL;
if( S_ISDIR(st.st_mode) )
{
dir = path;
goto check_dir;
}
strncpyt(mypath, path, sizeof(mypath));
dir = dirname(mypath);
/* First look for file-specific cover art */
snprintf(file, sizeof(file), "%s.cover.jpg", path);
ret = access(file, R_OK);
if( ret != 0 )
{
strncpyt(file, path, sizeof(file));
art_file = strrchr(file, '.');
if( art_file )
{
strcpy(art_file, ".jpg");
ret = access(file, R_OK);
}
if( ret != 0 )
{
art_file = strrchr(file, '/');
if( art_file )
{
memmove(art_file+2, art_file+1, file+MAXPATHLEN-art_file-2);
art_file[1] = '.';
ret = access(file, R_OK);
}
}
}
if( ret == 0 )
{
if( art_cache_exists(file, &art_file) )
goto existing_file;
free(art_file);
imsrc = image_new_from_jpeg(file, 1, NULL, 0, 1, ROTATE_NONE);
if( imsrc )
goto found_file;
}
check_dir:
/* Then fall back to possible generic cover art file names */
for( album_art_name = album_art_names; album_art_name; album_art_name = album_art_name->next )
{
snprintf(file, sizeof(file), "%s/%s", dir, album_art_name->name);
if( access(file, R_OK) == 0 )
{
if( art_cache_exists(file, &art_file) )
{
existing_file:
return art_file;
}
free(art_file);
imsrc = image_new_from_jpeg(file, 1, NULL, 0, 1, ROTATE_NONE);
if( !imsrc )
continue;
found_file:
width = imsrc->width;
height = imsrc->height;
if( width > 160 || height > 160 )
art_file = save_resized_album_art(imsrc, file);
else
art_file = strdup(file);
image_free(imsrc);
return(art_file);
}
}
//- 20130708 Sungmin add
int i;
struct dirent **namelist;
int n = scandir(dir, &namelist, filter_image_files, alphasort);
if(n>0)
{
snprintf(file, sizeof(file), "%s/%s", dir, namelist[0]->d_name);
for(i=0; i<n; i++)
{
free(namelist[i]);
}
if( access(file, R_OK) == 0 )
{
if( art_cache_exists(file, &art_file) )
{
return art_file;
}
free(art_file);
imsrc = image_new_from_jpeg(file, 1, NULL, 0, 1, ROTATE_NONE);
if( !imsrc )
return NULL;
width = imsrc->width;
height = imsrc->height;
//DPRINTF(E_WARN, L_METADATA, "imgsrc->size: %s, %d X %d\n", file, width, height);
if( width > 160 || height > 160 )
art_file = save_resized_album_art(imsrc, file);
else
art_file = strdup(file);
image_free(imsrc);
return art_file;
}
}
return NULL;
}
char *
check_for_album_file(const char * dir, const char * path)
{
char file[MAXPATHLEN];
struct album_art_name_s * album_art_name;
image_s * imsrc = NULL;
int width=0, height=0;
char * art_file;
/* First look for file-specific cover art */
snprintf(file, sizeof(file), "%s.cover.jpg", path);
if( access(file, R_OK) == 0 )
{
if( art_cache_exists(file, &art_file) )
goto existing_file;
free(art_file);
imsrc = image_new_from_jpeg(file, 1, NULL, 0, 1);
if( imsrc )
goto found_file;
}
snprintf(file, sizeof(file), "%s", path);
art_file = strrchr(file, '.');
if( art_file )
strcpy(art_file, ".jpg");
if( access(file, R_OK) == 0 )
{
if( art_cache_exists(file, &art_file) )
goto existing_file;
free(art_file);
imsrc = image_new_from_jpeg(file, 1, NULL, 0, 1);
if( imsrc )
goto found_file;
}
/* Then fall back to possible generic cover art file names */
for( album_art_name = album_art_names; album_art_name; album_art_name = album_art_name->next )
{
snprintf(file, sizeof(file), "%s/%s", dir, album_art_name->name);
if( access(file, R_OK) == 0 )
{
if( art_cache_exists(file, &art_file) )
{
existing_file:
return art_file;
}
free(art_file);
imsrc = image_new_from_jpeg(file, 1, NULL, 0, 1);
if( !imsrc )
continue;
found_file:
width = imsrc->width;
height = imsrc->height;
if( width > 160 || height > 160 )
art_file = save_resized_album_art(imsrc, file);
else
art_file = strdup(file);
image_free(imsrc);
return(art_file);
}
}
return NULL;
}
char *
check_embedded_art(const char *path, const char *image_data, int image_size)
{
int width = 0, height = 0;
char *art_path = NULL;
char *cache_dir;
FILE *dstfile;
image_s *imsrc;
static char last_path[PATH_MAX];
static unsigned int last_hash = 0;
static int last_success = 0;
unsigned int hash;
if( !image_data || !image_size || !path )
{
return NULL;
}
/* If the embedded image matches the embedded image from the last file we
* checked, just make a hard link. Better than storing it on the disk twice. */
hash = DJBHash(image_data, image_size);
if( hash == last_hash )
{
if( !last_success )
return NULL;
art_cache_exists(path, &art_path);
if( link(last_path, art_path) == 0 )
{
return(art_path);
}
else
{
if( errno == ENOENT )
{
cache_dir = strdup(art_path);
make_dir(dirname(cache_dir), S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
free(cache_dir);
if( link(last_path, art_path) == 0 )
return(art_path);
}
DPRINTF(E_WARN, L_METADATA, "Linking %s to %s failed [%s]\n", art_path, last_path, strerror(errno));
free(art_path);
art_path = NULL;
}
}
last_hash = hash;
imsrc = image_new_from_jpeg(NULL, 0, image_data, image_size, 1, ROTATE_NONE);
if( !imsrc )
{
last_success = 0;
return NULL;
}
width = imsrc->width;
height = imsrc->height;
if( width > 160 || height > 160 )
{
art_path = save_resized_album_art(imsrc, path);
}
else if( width > 0 && height > 0 )
{
size_t nwritten;
if( art_cache_exists(path, &art_path) )
goto end_art;
cache_dir = strdup(art_path);
make_dir(dirname(cache_dir), S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
free(cache_dir);
dstfile = fopen(art_path, "w");
if( !dstfile )
{
free(art_path);
art_path = NULL;
goto end_art;
}
nwritten = fwrite((void *)image_data, 1, image_size, dstfile);
fclose(dstfile);
if( nwritten != image_size )
{
DPRINTF(E_WARN, L_METADATA, "Embedded art error: wrote %d/%d bytes\n", nwritten, image_size);
remove(art_path);
free(art_path);
art_path = NULL;
goto end_art;
}
}
end_art:
image_free(imsrc);
if( !art_path )
{
DPRINTF(E_WARN, L_METADATA, "Invalid embedded album art in %s\n", basename((char *)path));
last_success = 0;
return NULL;
}
DPRINTF(E_DEBUG, L_METADATA, "Found new embedded album art in %s\n", basename((char *)path));
last_success = 1;
strcpy(last_path, art_path);
return(art_path);
}
char *
check_for_album_file(char * dir, const char * path)
{
char * file = malloc(PATH_MAX);
struct album_art_name_s * album_art_name;
image * imsrc = NULL;
int width=0, height=0;
char * art_file;
/* First look for file-specific cover art */
sprintf(file, "%s.cover.jpg", path);
if( access(file, R_OK) == 0 )
{
if( art_cache_exists(file, &art_file) )
goto existing_file;
free(art_file);
imsrc = image_new_from_jpeg(file, 1, NULL, 0, 1);
if( imsrc )
goto found_file;
}
sprintf(file, "%s", path);
strip_ext(file);
strcat(file, ".jpg");
if( access(file, R_OK) == 0 )
{
if( art_cache_exists(file, &art_file) )
goto existing_file;
free(art_file);
imsrc = image_new_from_jpeg(file, 1, NULL, 0, 1);
if( imsrc )
goto found_file;
}
/* Then fall back to possible generic cover art file names */
for( album_art_name = album_art_names; album_art_name; album_art_name = album_art_name->next )
{
sprintf(file, "%s/%s", dir, album_art_name->name);
if( access(file, R_OK) == 0 )
{
if( art_cache_exists(file, &art_file) )
{
existing_file:
free(file);
return art_file;
}
free(art_file);
imsrc = image_new_from_jpeg(file, 1, NULL, 0, 1);
if( !imsrc )
continue;
found_file:
width = imsrc->width;
height = imsrc->height;
if( width > 160 || height > 160 )
{
art_file = file;
file = save_resized_album_art(imsrc, art_file);
free(art_file);
}
image_free(imsrc);
return(file);
}
}
free(file);
return NULL;
}