videolan
/
vlc
mirror of https://code.videolan.org/videolan/vlc
1
Fork 0
Code Releases Activity

Clean up preparser/fetcher code. 

No functionnality changes.
This commit is contained in:
Laurent Aimar 2008-12-22 12:51:13 +01:00
parent 69a38c569e
commit 0021e6aae9
13 changed files with 955 additions and 731 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/Makefile.am
View File

@ -295,11 +295,14 @@ SOURCES_libvlc_common = \
interface/intf_eject.c \
interface/interaction.c \
playlist/playlist_internal.h \
playlist/art.c \
playlist/thread.c \
playlist/control.c \
playlist/engine.c \
playlist/fetcher.c \
playlist/sort.c \
playlist/loadsave.c \
playlist/preparser.c \
playlist/tree.c \
playlist/item.c \
playlist/search.c \

13
src/input/input_interface.h
View File

@ -34,20 +34,7 @@
/**********************************************************************
* Item metadata
**********************************************************************/
int input_ArtFind( playlist_t *, input_item_t * );
int input_DownloadAndCacheArt( playlist_t *, input_item_t * );
void input_item_SetPreparsed( input_item_t *p_i, bool b_preparsed );
typedef struct
{
char *psz_artist;
char *psz_album;
char *psz_arturl;
bool b_found;
} playlist_album_t;
void input_item_SetArtNotFound( input_item_t *p_i, bool b_not_found );
void input_item_SetArtFetched( input_item_t *p_i, bool b_art_fetched );

468
src/input/meta.c
View File

@ -27,26 +27,12 @@
#endif
#include <vlc_common.h>
#include <vlc_input.h>
#include <vlc_stream.h>
#include <vlc_meta.h>
#include <vlc_playlist.h>
#include <vlc_charset.h>
#include <vlc_strings.h>
#include "input_internal.h"
#include "../playlist/playlist_internal.h"
#include <errno.h>
#include <limits.h> /* PATH_MAX */
#include <assert.h>
#include "../playlist/art.h"
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#include "../libvlc.h"
const char *
input_MetaTypeToLocalizedString( vlc_meta_type_t meta_type )
/* FIXME bad name convention */
const char * input_MetaTypeToLocalizedString( vlc_meta_type_t meta_type )
{
switch( meta_type )
{
@ -72,415 +58,36 @@ input_MetaTypeToLocalizedString( vlc_meta_type_t meta_type )
}
};
#define input_FindArtInCache(a,b) __input_FindArtInCache(VLC_OBJECT(a),b)
static int __input_FindArtInCache( vlc_object_t *, input_item_t *p_item );
/* Return codes:
* 0 : Art is in cache or is a local file
* 1 : Art found, need to download
* -X : Error/not found
*/
int input_ArtFind( playlist_t *p_playlist, input_item_t *p_item )
{
int i_ret = VLC_EGENERIC;
module_t *p_module;
char *psz_title, *psz_artist, *psz_album;
psz_artist = input_item_GetArtist( p_item );
psz_album = input_item_GetAlbum( p_item );
psz_title = input_item_GetTitle( p_item );
if(!psz_title)
psz_title = input_item_GetName( p_item );
if( !psz_title && !psz_artist && !psz_album )
return VLC_EGENERIC;
free( psz_title );
/* If we already checked this album in this session, skip */
if( psz_artist && psz_album )
{
FOREACH_ARRAY( playlist_album_t album, pl_priv(p_playlist)->fetcher.albums )
if( !strcmp( album.psz_artist, psz_artist ) &&
!strcmp( album.psz_album, psz_album ) )
{
msg_Dbg( p_playlist, " %s - %s has already been searched",
psz_artist, psz_album );
/* TODO-fenrir if we cache art filename too, we can go faster */
free( psz_artist );
free( psz_album );
if( album.b_found )
{
if( !strncmp( album.psz_arturl, "file://", 7 ) )
input_item_SetArtURL( p_item, album.psz_arturl );
else /* Actually get URL from cache */
input_FindArtInCache( p_playlist, p_item );
return 0;
}
else
{
return VLC_EGENERIC;
}
}
FOREACH_END();
}
free( psz_artist );
free( psz_album );
input_FindArtInCache( p_playlist, p_item );
char *psz_arturl = input_item_GetArtURL( p_item );
if( psz_arturl )
{
/* We already have an URL */
if( !strncmp( psz_arturl, "file://", strlen( "file://" ) ) )
{
free( psz_arturl );
return 0; /* Art is in cache, no need to go further */
}
free( psz_arturl );
/* Art need to be put in cache */
return 1;
}
PL_LOCK;
p_playlist->p_private = p_item;
psz_album = input_item_GetAlbum( p_item );
psz_artist = input_item_GetArtist( p_item );
psz_title = input_item_GetTitle( p_item );
if( !psz_title )
psz_title = input_item_GetName( p_item );
if( psz_album && psz_artist )
{
msg_Dbg( p_playlist, "searching art for %s - %s",
psz_artist, psz_album );
}
else
{
msg_Dbg( p_playlist, "searching art for %s",
psz_title );
}
free( psz_title );
p_module = module_need( p_playlist, "art finder", NULL, false );
if( p_module )
i_ret = 1;
else
msg_Dbg( p_playlist, "unable to find art" );
/* Record this album */
if( psz_artist && psz_album )
{
playlist_album_t a;
a.psz_artist = psz_artist;
a.psz_album = psz_album;
a.psz_arturl = input_item_GetArtURL( p_item );
a.b_found = (i_ret == VLC_EGENERIC ? false : true );
ARRAY_APPEND( pl_priv(p_playlist)->fetcher.albums, a );
}
else
{
free( psz_artist );
free( psz_album );
}
if( p_module )
module_unneed( p_playlist, p_module );
p_playlist->p_private = NULL;
PL_UNLOCK;
return i_ret;
}
static void ArtCacheCreateDir( const char *psz_dir )
{
char newdir[strlen( psz_dir ) + 1];
strcpy( newdir, psz_dir );
char * psz_newdir = newdir;
char * psz = psz_newdir;
while( *psz )
{
while( *psz && *psz != DIR_SEP_CHAR) psz++;
if( !*psz ) break;
*psz = 0;
if( !EMPTY_STR( psz_newdir ) )
utf8_mkdir( psz_newdir, 0700 );
*psz = DIR_SEP_CHAR;
psz++;
}
utf8_mkdir( psz_dir, 0700 );
}
static char * ArtCacheGetSanitizedFileName( const char *psz )
{
char *dup = strdup(psz);
int i;
filename_sanitize( dup );
/* Doesn't create a filename with invalid characters
* TODO: several filesystems forbid several characters: list them all
*/
for( i = 0; dup[i] != '\0'; i++ )
{
if( dup[i] == DIR_SEP_CHAR )
dup[i] = ' ';
}
return dup;
}
#define ArtCacheGetDirPath(a,b,c,d,e) __ArtCacheGetDirPath(VLC_OBJECT(a),b,c,d,e)
static void __ArtCacheGetDirPath( vlc_object_t *p_obj,
char *psz_dir,
const char *psz_title,
const char *psz_artist, const char *psz_album )
{
(void)p_obj;
char *psz_cachedir = config_GetCacheDir();
if( !EMPTY_STR(psz_artist) && !EMPTY_STR(psz_album) )
{
char * psz_album_sanitized = ArtCacheGetSanitizedFileName( psz_album );
char * psz_artist_sanitized = ArtCacheGetSanitizedFileName( psz_artist );
snprintf( psz_dir, PATH_MAX, "%s" DIR_SEP
"art" DIR_SEP "artistalbum" DIR_SEP "%s" DIR_SEP "%s",
psz_cachedir, psz_artist_sanitized, psz_album_sanitized );
free( psz_album_sanitized );
free( psz_artist_sanitized );
}
else
{
char * psz_title_sanitized = ArtCacheGetSanitizedFileName( psz_title );
snprintf( psz_dir, PATH_MAX, "%s" DIR_SEP
"art" DIR_SEP "title" DIR_SEP "%s",
psz_cachedir, psz_title_sanitized );
free( psz_title_sanitized );
}
free( psz_cachedir );
}
#define ArtCacheGetFilePath(a,b,c,d,e,f) __ArtCacheGetFilePath(VLC_OBJECT(a),b,c,d,e,f)
static void __ArtCacheGetFilePath( vlc_object_t *p_obj,
char * psz_filename,
const char *psz_title,
const char *psz_artist, const char *psz_album,
const char *psz_extension )
{
char psz_dir[PATH_MAX+1];
char * psz_ext;
ArtCacheGetDirPath( p_obj, psz_dir, psz_title, psz_artist, psz_album );
if( psz_extension )
{
psz_ext = strndup( psz_extension, 6 );
filename_sanitize( psz_ext );
}
else psz_ext = strdup( "" );
snprintf( psz_filename, PATH_MAX, "file://%s" DIR_SEP "art%s",
psz_dir, psz_ext );
free( psz_ext );
}
static int __input_FindArtInCache( vlc_object_t *p_obj, input_item_t *p_item )
{
char *psz_artist;
char *psz_album;
char *psz_title;
char psz_dirpath[PATH_MAX+1];
char psz_filepath[PATH_MAX+1];
char * psz_filename;
DIR * p_dir;
psz_artist = input_item_GetArtist( p_item );
psz_album = input_item_GetAlbum( p_item );
psz_title = input_item_GetTitle( p_item );
if( !psz_title ) psz_title = input_item_GetName( p_item );
if( !psz_title && ( !psz_album || !psz_artist ) )
{
free( psz_artist );
free( psz_album );
free( psz_title );
return VLC_EGENERIC;
}
ArtCacheGetDirPath( p_obj, psz_dirpath, psz_title,
psz_artist, psz_album );
free( psz_artist );
free( psz_album );
free( psz_title );
/* Check if file exists */
p_dir = utf8_opendir( psz_dirpath );
if( !p_dir )
return VLC_EGENERIC;
while( (psz_filename = utf8_readdir( p_dir )) )
{
if( !strncmp( psz_filename, "art", 3 ) )
{
snprintf( psz_filepath, PATH_MAX, "file://%s" DIR_SEP "%s",
psz_dirpath, psz_filename );
input_item_SetArtURL( p_item, psz_filepath );
free( psz_filename );
closedir( p_dir );
return VLC_SUCCESS;
}
free( psz_filename );
}
/* Not found */
closedir( p_dir );
return VLC_EGENERIC;
}
/**
* Download the art using the URL or an art downloaded
* This function should be called only if data is not already in cache
*/
int input_DownloadAndCacheArt( playlist_t *p_playlist, input_item_t *p_item )
{
int i_status = VLC_EGENERIC;
stream_t *p_stream;
char psz_filename[PATH_MAX+1];
char *psz_artist = NULL;
char *psz_album = NULL;
char *psz_title = NULL;
char *psz_arturl;
char *psz_type;
psz_artist = input_item_GetArtist( p_item );
psz_album = input_item_GetAlbum( p_item );
psz_title = input_item_GetTitle( p_item );
if( !psz_title )
psz_title = input_item_GetName( p_item );
if( !psz_title && (!psz_artist || !psz_album) )
{
free( psz_title );
free( psz_album );
free( psz_artist );
return VLC_EGENERIC;
}
psz_arturl = input_item_GetArtURL( p_item );
assert( !EMPTY_STR( psz_arturl ) );
if( !strncmp( psz_arturl , "file://", 7 ) )
{
msg_Dbg( p_playlist, "Album art is local file, no need to cache" );
free( psz_arturl );
return VLC_SUCCESS;
}
else if( !strncmp( psz_arturl , "APIC", 4 ) )
{
msg_Warn( p_playlist, "APIC fetch not supported yet" );
free( psz_arturl );
return VLC_EGENERIC;
}
psz_type = strrchr( psz_arturl, '.' );
if( psz_type && strlen( psz_type ) > 5 )
psz_type = NULL; /* remove extension if it's > to 4 characters */
/* Warning: psz_title, psz_artist, psz_album may change in ArtCache*() */
ArtCacheGetDirPath( p_playlist, psz_filename, psz_title, psz_artist,
psz_album );
ArtCacheCreateDir( psz_filename );
ArtCacheGetFilePath( p_playlist, psz_filename, psz_title, psz_artist,
psz_album, psz_type );
free( psz_artist );
free( psz_album );
free( psz_title );
p_stream = stream_UrlNew( p_playlist, psz_arturl );
if( p_stream )
{
uint8_t p_buffer[65536];
long int l_read;
FILE *p_file = utf8_fopen( psz_filename+7, "w" );
if( p_file == NULL ) {
msg_Err( p_playlist, "Unable write album art in %s",
psz_filename + 7 );
free( psz_arturl );
return VLC_EGENERIC;
}
int err = 0;
while( ( l_read = stream_Read( p_stream, p_buffer, sizeof (p_buffer) ) ) )
{
if( fwrite( p_buffer, l_read, 1, p_file ) != 1 )
{
err = errno;
break;
}
}
if( fclose( p_file ) && !err )
err = errno;
stream_Delete( p_stream );
if( err )
{
errno = err;
msg_Err( p_playlist, "%s: %m", psz_filename );
}
else
msg_Dbg( p_playlist, "album art saved to %s\n", psz_filename );
input_item_SetArtURL( p_item, psz_filename );
i_status = VLC_SUCCESS;
}
free( psz_arturl );
return i_status;
}
void input_ExtractAttachmentAndCacheArt( input_thread_t *p_input )
{
input_item_t *p_item = p_input->p->p_item;
const char *psz_arturl;
const char *psz_artist = NULL;
const char *psz_album = NULL;
const char *psz_title = NULL;
char *psz_type = NULL;
char psz_filename[PATH_MAX+1];
FILE *f;
input_attachment_t *p_attachment;
struct stat s;
int i_idx;
/* TODO-fenrir merge input_ArtFind with download and make it set the flags FETCH
* and then set it here to to be faster */
psz_arturl = vlc_meta_Get( p_item->p_meta, vlc_meta_ArtworkURL );
/* */
const char *psz_arturl = vlc_meta_Get( p_item->p_meta, vlc_meta_ArtworkURL );
if( !psz_arturl || strncmp( psz_arturl, "attachment://", strlen("attachment://") ) )
{
msg_Err( p_input, "internal input error with input_ExtractAttachmentAndCacheArt" );
return;
}
playlist_t *p_playlist = pl_Hold( p_input );
if( !p_playlist )
return;
if( input_item_IsArtFetched( p_item ) )
{
/* XXX Weird, we should not have end up with attachment:// art url unless there is a race
* condition */
msg_Warn( p_input, "internal input error with input_ExtractAttachmentAndCacheArt" );
input_FindArtInCache( p_input, p_item );
playlist_FindArtInCache( p_item );
pl_Release( p_playlist );
return;
}
/* */
for( i_idx = 0, p_attachment = NULL; i_idx < p_input->p->i_attachment; i_idx++ )
input_attachment_t *p_attachment = NULL;
for( int i_idx = 0; i_idx < p_input->p->i_attachment; i_idx++ )
{
if( !strcmp( p_input->p->attachment[i_idx]->psz_name,
&psz_arturl[strlen("attachment://")] ) )
@ -492,48 +99,21 @@ void input_ExtractAttachmentAndCacheArt( input_thread_t *p_input )
if( !p_attachment || p_attachment->i_data <= 0 )
{
msg_Warn( p_input, "internal input error with input_ExtractAttachmentAndCacheArt" );
pl_Release( p_playlist );
return;
}
psz_artist = vlc_meta_Get( p_item->p_meta, vlc_meta_Artist );
psz_album = vlc_meta_Get( p_item->p_meta, vlc_meta_Album );
psz_title = vlc_meta_Get( p_item->p_meta, vlc_meta_Title );
/* */
const char *psz_type = NULL;
if( !strcmp( p_attachment->psz_mime, "image/jpeg" ) )
psz_type = strdup( ".jpg" );
psz_type = ".jpg";
else if( !strcmp( p_attachment->psz_mime, "image/png" ) )
psz_type = strdup( ".png" );
psz_type = ".png";
if( !psz_title )
psz_title = p_item->psz_name;
/* */
playlist_SaveArt( p_playlist, p_item,
p_attachment->p_data, p_attachment->i_data, psz_type );
if( (!psz_artist || !psz_album ) && !psz_title )
{
free( psz_type );
return;
}
ArtCacheGetDirPath( p_input, psz_filename, psz_title, psz_artist, psz_album );
ArtCacheCreateDir( psz_filename );
ArtCacheGetFilePath( p_input, psz_filename, psz_title, psz_artist, psz_album, psz_type );
free( psz_type );
/* Check if we already dumped it */
if( !utf8_stat( psz_filename+7, &s ) )
{
vlc_meta_Set( p_item->p_meta, vlc_meta_ArtworkURL, psz_filename );
return;
}
f = utf8_fopen( psz_filename+7, "w" );
if( f )
{
if( fwrite( p_attachment->p_data, p_attachment->i_data, 1, f ) != 1 )
msg_Err( p_input, "%s: %m", psz_filename );
else
{
msg_Dbg( p_input, "album art saved to %s\n", psz_filename );
vlc_meta_Set( p_item->p_meta, vlc_meta_ArtworkURL, psz_filename );
}
fclose( f );
}
pl_Release( p_playlist );
}

303
src/playlist/art.c Normal file
View File

@ -0,0 +1,303 @@
/*****************************************************************************
* art.c : Art metadata handling
*****************************************************************************
* Copyright (C) 1998-2008 the VideoLAN team
* $Id$
*
* Authors: Antoine Cellerier <dionoea@videolan.org>
* Clément Stenac <zorglub@videolan.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <vlc_common.h>
#include <vlc_playlist.h>
#include <vlc_charset.h>
#include <vlc_strings.h>
#include <vlc_stream.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#include "../libvlc.h"
#include "playlist_internal.h"
static void ArtCacheCreateDir( const char *psz_dir )
{
char newdir[strlen( psz_dir ) + 1];
strcpy( newdir, psz_dir );
char * psz_newdir = newdir;
char * psz = psz_newdir;
while( *psz )
{
while( *psz && *psz != DIR_SEP_CHAR) psz++;
if( !*psz ) break;
*psz = 0;
if( !EMPTY_STR( psz_newdir ) )
utf8_mkdir( psz_newdir, 0700 );
*psz = DIR_SEP_CHAR;
psz++;
}
utf8_mkdir( psz_dir, 0700 );
}
static char *ArtCacheGetSanitizedFileName( const char *psz )
{
char *dup = strdup(psz);
int i;
filename_sanitize( dup );
/* Doesn't create a filename with invalid characters
* TODO: several filesystems forbid several characters: list them all
*/
for( i = 0; dup[i] != '\0'; i++ )
{
if( dup[i] == DIR_SEP_CHAR )
dup[i] = ' ';
}
return dup;
}
static void ArtCacheGetDirPath( char *psz_dir,
const char *psz_title,
const char *psz_artist, const char *psz_album )
{
char *psz_cachedir = config_GetCacheDir();
if( !EMPTY_STR(psz_artist) && !EMPTY_STR(psz_album) )
{
char * psz_album_sanitized = ArtCacheGetSanitizedFileName( psz_album );
char * psz_artist_sanitized = ArtCacheGetSanitizedFileName( psz_artist );
snprintf( psz_dir, PATH_MAX, "%s" DIR_SEP
"art" DIR_SEP "artistalbum" DIR_SEP "%s" DIR_SEP "%s",
psz_cachedir, psz_artist_sanitized, psz_album_sanitized );
free( psz_album_sanitized );
free( psz_artist_sanitized );
}
else
{
char * psz_title_sanitized = ArtCacheGetSanitizedFileName( psz_title );
snprintf( psz_dir, PATH_MAX, "%s" DIR_SEP
"art" DIR_SEP "title" DIR_SEP "%s",
psz_cachedir, psz_title_sanitized );
free( psz_title_sanitized );
}
free( psz_cachedir );
}
static char *ArtCachePath( input_item_t *p_item )
{
char psz_path[PATH_MAX+1]; /* FIXME */
vlc_mutex_lock( &p_item->lock );
if( !p_item->p_meta )
p_item->p_meta = vlc_meta_New();
if( !p_item->p_meta )
{
vlc_mutex_unlock( &p_item->lock );
return NULL;
}
const char *psz_artist = vlc_meta_Get( p_item->p_meta, vlc_meta_Artist );
const char *psz_album = vlc_meta_Get( p_item->p_meta, vlc_meta_Album );
const char *psz_title = vlc_meta_Get( p_item->p_meta, vlc_meta_Title );
if( !psz_title )
psz_title = p_item->psz_name;
if( (!psz_artist || !psz_album ) && !psz_title )
{
vlc_mutex_unlock( &p_item->lock );
return NULL;
}
ArtCacheGetDirPath( psz_path, psz_title, psz_artist, psz_album );
vlc_mutex_unlock( &p_item->lock );
return strdup( psz_path );
}
static char *ArtCacheName( input_item_t *p_item, const char *psz_type )
{
char *psz_path = ArtCachePath( p_item );
if( !psz_path )
return NULL;
ArtCacheCreateDir( psz_path );
char *psz_ext = strdup( psz_type ? psz_type : "" );
filename_sanitize( psz_ext );
char *psz_filename;
if( asprintf( &psz_filename, "file://%s" DIR_SEP "art%s", psz_path, psz_ext ) < 0 )
psz_filename = NULL;
free( psz_ext );
free( psz_path );
return psz_filename;
}
int playlist_FindArtInCache( input_item_t *p_item )
{
char *psz_path = ArtCachePath( p_item );
if( !psz_path )
return VLC_EGENERIC;
/* Check if file exists */
DIR *p_dir = utf8_opendir( psz_path );
if( !p_dir )
{
free( psz_path );
return VLC_EGENERIC;
}
bool b_found = false;
char *psz_filename;
while( !b_found && (psz_filename = utf8_readdir( p_dir )) )
{
if( !strncmp( psz_filename, "art", 3 ) )
{
char *psz_file;
if( asprintf( &psz_file, "file://%s" DIR_SEP "%s",
psz_path, psz_filename ) < 0 )
psz_file = NULL;
if( psz_file )
input_item_SetArtURL( p_item, psz_file );
free( psz_file );
b_found = true;
}
free( psz_filename );
}
/* */
closedir( p_dir );
free( psz_path );
return b_found ? VLC_SUCCESS : VLC_EGENERIC;
}
/**
* Download the art using the URL or an art downloaded
* This function should be called only if data is not already in cache
*/
int playlist_DownloadArt( playlist_t *p_playlist, input_item_t *p_item )
{
char *psz_arturl = input_item_GetArtURL( p_item );
assert( *psz_arturl );
if( !strncmp( psz_arturl , "file://", 7 ) )
{
msg_Dbg( p_playlist, "Album art is local file, no need to cache" );
free( psz_arturl );
return VLC_SUCCESS;
}
if( !strncmp( psz_arturl , "APIC", 4 ) )
{
msg_Warn( p_playlist, "APIC fetch not supported yet" );
goto error;
}
stream_t *p_stream = stream_UrlNew( p_playlist, psz_arturl );
if( !p_stream )
goto error;
uint8_t *p_data = NULL;
int i_data = 0;
for( ;; )
{
int i_read = 65536;
if( i_data + i_read <= i_data ) /* Protect gainst overflow */
break;
p_data = realloc( p_data, i_data + i_read );
if( !p_data )
break;
i_read = stream_Read( p_stream, &p_data[i_data], i_read );
if( i_read <= 0 )
break;
i_data += i_read;
}
stream_Delete( p_stream );
if( p_data && i_data > 0 )
{
char *psz_type = strrchr( psz_arturl, '.' );
if( psz_type && strlen( psz_type ) > 5 )
psz_type = NULL; /* remove extension if it's > to 4 characters */
playlist_SaveArt( p_playlist, p_item, p_data, i_data, psz_type );
}
free( p_data );
free( psz_arturl );
return VLC_SUCCESS;
error:
free( psz_arturl );
return VLC_EGENERIC;
}
/* */
int playlist_SaveArt( playlist_t *p_playlist, input_item_t *p_item,
const uint8_t *p_buffer, int i_buffer, const char *psz_type )
{
char *psz_filename = ArtCacheName( p_item, psz_type );
if( !psz_filename )
return VLC_EGENERIC;
/* Check if we already dumped it */
struct stat s;
if( !utf8_stat( psz_filename+7, &s ) )
{
input_item_SetArtURL( p_item, psz_filename );
return VLC_SUCCESS;
}
/* Dump it otherwise */
FILE *f = utf8_fopen( psz_filename+7, "w" );
if( f )
{
if( fwrite( p_buffer, i_buffer, 1, f ) != 1 )
{
msg_Err( p_playlist, "%s: %m", psz_filename );
}
else
{
msg_Dbg( p_playlist, "album art saved to %s\n", psz_filename );
input_item_SetArtURL( p_item, psz_filename );
}
fclose( f );
}
return VLC_SUCCESS;
}

43
src/playlist/art.h Normal file
View File

@ -0,0 +1,43 @@
/*****************************************************************************
* art.h:
*****************************************************************************
* Copyright (C) 1999-2008 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Clément Stenac <zorglub@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef _PLAYLIST_ART_H
#define _PLAYLIST_ART_H 1
typedef struct
{
char *psz_artist;
char *psz_album;
char *psz_arturl;
bool b_found;
} playlist_album_t;
int playlist_FindArtInCache( input_item_t * );
int playlist_DownloadArt( playlist_t *, input_item_t * );
int playlist_SaveArt( playlist_t *, input_item_t *, const uint8_t *p_buffer, int i_buffer, const char *psz_type );
#endif

21
src/playlist/control.c
View File

@ -188,30 +188,20 @@ static int PlaylistVAControl( playlist_t * p_playlist, int i_query, va_list args
int playlist_PreparseEnqueue( playlist_t *p_playlist,
input_item_t *p_item )
{
playlist_preparse_t *p_preparse = &pl_priv(p_playlist)->preparse;
playlist_private_t *p_sys = pl_priv(p_playlist);
vlc_gc_incref( p_item );
playlist_preparser_Push( p_sys->p_preparser, p_item );
vlc_mutex_lock( &p_preparse->lock );
INSERT_ELEM( p_preparse->pp_waiting, p_preparse->i_waiting,
p_preparse->i_waiting, p_item );
vlc_cond_signal( &p_preparse->wait );
vlc_mutex_unlock( &p_preparse->lock );
return VLC_SUCCESS;
}
int playlist_AskForArtEnqueue( playlist_t *p_playlist,
input_item_t *p_item )
{
playlist_fetcher_t *p_fetcher = &pl_priv(p_playlist)->fetcher;
playlist_private_t *p_sys = pl_priv(p_playlist);
vlc_gc_incref( p_item );
playlist_fetcher_Push( p_sys->p_fetcher, p_item );
vlc_mutex_lock( &p_fetcher->lock );
INSERT_ELEM( p_fetcher->pp_waiting, p_fetcher->i_waiting,
p_fetcher->i_waiting, p_item );
vlc_cond_signal( &p_fetcher->wait );
vlc_mutex_unlock( &p_fetcher->lock );
return VLC_SUCCESS;
}
@ -490,7 +480,8 @@ int playlist_PlayItem( playlist_t *p_playlist, playlist_item_t *p_item )
}
free( psz_uri );
if( pl_priv(p_playlist)->fetcher.i_art_policy == ALBUM_ART_WHEN_PLAYED )
/* FIXME remove access to fetcher private data */
if( pl_priv(p_playlist)->p_fetcher->i_art_policy == ALBUM_ART_WHEN_PLAYED )
{
bool b_has_art;

206
src/playlist/engine.c
View File

@ -174,37 +174,14 @@ playlist_t * playlist_Create( vlc_object_t *p_parent )
static void playlist_Destructor( vlc_object_t * p_this )
{
playlist_t * p_playlist = (playlist_t *)p_this;
playlist_t *p_playlist = (playlist_t *)p_this;
playlist_private_t *p_sys = pl_priv(p_playlist);
/* Destroy the item preparser */
playlist_preparse_t *p_preparse = &pl_priv(p_playlist)->preparse;
if (p_preparse->up)
{
vlc_cancel (p_preparse->thread);
vlc_join (p_preparse->thread, NULL);
}
while (p_preparse->i_waiting > 0)
{ /* Any left-over unparsed item? */
vlc_gc_decref (p_preparse->pp_waiting[0]);
REMOVE_ELEM (p_preparse->pp_waiting, p_preparse->i_waiting, 0);
}
vlc_cond_destroy (&p_preparse->wait);
vlc_mutex_destroy (&p_preparse->lock);
if( p_sys->p_preparser )
playlist_preparser_Delete( p_sys->p_preparser );
/* Destroy the item meta-infos fetcher */
playlist_fetcher_t *p_fetcher = &pl_priv(p_playlist)->fetcher;
if (p_fetcher->up)
{
vlc_cancel (p_fetcher->thread);
vlc_join (p_fetcher->thread, NULL);
}
while (p_fetcher->i_waiting > 0)
{ /* Any left-over unparsed item? */
vlc_gc_decref (p_fetcher->pp_waiting[0]);
REMOVE_ELEM (p_fetcher->pp_waiting, p_fetcher->i_waiting, 0);
}
vlc_cond_destroy (&p_fetcher->wait);
vlc_mutex_destroy (&p_fetcher->lock);
if( p_sys->p_fetcher )
playlist_fetcher_Delete( p_sys->p_fetcher );
msg_Dbg( p_this, "Destroyed" );
}
@ -562,177 +539,6 @@ void playlist_LastLoop( playlist_t *p_playlist )
PL_UNLOCK;
}
/**
* Preparse queue loop
*
* @param p_obj preparse structure
* @return never
*/
void *playlist_PreparseLoop( void *data )
{
playlist_preparse_t *p_preparse = data;
playlist_t *p_playlist = &((playlist_private_t *)(((char *)p_preparse)
- offsetof(playlist_private_t, preparse)))->public_data;
for( ;; )
{
input_item_t *p_current;
vlc_mutex_lock( &p_preparse->lock );
mutex_cleanup_push( &p_preparse->lock );
while( p_preparse->i_waiting == 0 )
vlc_cond_wait( &p_preparse->wait, &p_preparse->lock );
p_current = p_preparse->pp_waiting[0];
REMOVE_ELEM( p_preparse->pp_waiting, p_preparse->i_waiting, 0 );
vlc_cleanup_run( );
if( p_current )
{
int canc = vlc_savecancel ();
PL_LOCK;
if( p_current->i_type == ITEM_TYPE_FILE )
{
stats_TimerStart( p_playlist, "Preparse run",
STATS_TIMER_PREPARSE );
/* Do not preparse if it is already done (like by playing it) */
if( !input_item_IsPreparsed( p_current ) )
{
PL_UNLOCK;
input_Preparse( p_playlist, p_current );
PL_LOCK;
}
stats_TimerStop( p_playlist, STATS_TIMER_PREPARSE );
PL_UNLOCK;
input_item_SetPreparsed( p_current, true );
var_SetInteger( p_playlist, "item-change", p_current->i_id );
PL_LOCK;
}
/* If we haven't retrieved enough meta, add to secondary queue
* which will run the "meta fetchers".
* This only checks for meta, not for art
* \todo don't do this for things we won't get meta for, like vids
*/
char *psz_arturl = input_item_GetArtURL( p_current );
char *psz_name = input_item_GetName( p_current );
playlist_fetcher_t *p_fetcher = &pl_priv(p_playlist)->fetcher;
if( p_fetcher->i_art_policy == ALBUM_ART_ALL &&
( !psz_arturl || strncmp( psz_arturl, "file://", 7 ) ) )
{
PL_DEBUG("meta ok for %s, need to fetch art", psz_name );
vlc_mutex_lock( &p_fetcher->lock );
INSERT_ELEM( p_fetcher->pp_waiting, p_fetcher->i_waiting,
p_fetcher->i_waiting, p_current);
vlc_cond_signal( &p_fetcher->wait );
vlc_mutex_unlock( &p_fetcher->lock );
}
else
{
PL_DEBUG( "no fetch required for %s (art currently %s)",
psz_name, psz_arturl );
vlc_gc_decref( p_current );
}
free( psz_name );
free( psz_arturl );
PL_UNLOCK;
vlc_restorecancel( canc );
}
int i_activity = var_GetInteger( p_playlist, "activity" );
if( i_activity < 0 ) i_activity = 0;
/* Sleep at least 1ms */
msleep( (i_activity+1) * 1000 );
}
assert( 0 );
return NULL;
}
/**
* Fetcher loop
*
* \return never
*/
void *playlist_FetcherLoop( void *data )
{
playlist_fetcher_t *p_fetcher = data;
playlist_t *p_playlist = &((playlist_private_t *)(((char *)p_fetcher)
- offsetof(playlist_private_t, fetcher)))->public_data;
for( ;; )
{
input_item_t *p_item;
vlc_mutex_lock( &p_fetcher->lock );
mutex_cleanup_push( &p_fetcher->lock );
while( p_fetcher->i_waiting == 0 )
vlc_cond_wait( &p_fetcher->wait, &p_fetcher->lock );
p_item = p_fetcher->pp_waiting[0];
REMOVE_ELEM( p_fetcher->pp_waiting, p_fetcher->i_waiting, 0 );
vlc_cleanup_run( );
int canc = vlc_savecancel();
if( p_item )
{
int i_ret;
/* Check if it is not yet preparsed and if so wait for it
* (at most 0.5s)
* (This can happen if we fetch art on play)
* FIXME this doesn't work if we need to fetch meta before art...
*/
for( i_ret = 0; i_ret < 10 && !input_item_IsPreparsed( p_item ); i_ret++ )
{
bool b_break;
PL_LOCK;
b_break = ( !pl_priv(p_playlist)->p_input || input_GetItem(pl_priv(p_playlist)->p_input) != p_item ||
pl_priv(p_playlist)->p_input->b_die || pl_priv(p_playlist)->p_input->b_eof || pl_priv(p_playlist)->p_input->b_error );
PL_UNLOCK;
if( b_break )
break;
msleep( 50000 );
}
i_ret = input_ArtFind( p_playlist, p_item );
if( i_ret == 1 )
{
PL_DEBUG( "downloading art for %s", p_item->psz_name );
if( input_DownloadAndCacheArt( p_playlist, p_item ) )
input_item_SetArtNotFound( p_item, true );
else {
input_item_SetArtFetched( p_item, true );
var_SetInteger( p_playlist, "item-change",
p_item->i_id );
}
}
else if( i_ret == 0 ) /* Was in cache */
{
PL_DEBUG( "found art for %s in cache", p_item->psz_name );
input_item_SetArtFetched( p_item, true );
var_SetInteger( p_playlist, "item-change", p_item->i_id );
}
else
{
PL_DEBUG( "art not found for %s", p_item->psz_name );
input_item_SetArtNotFound( p_item, true );
}
vlc_gc_decref( p_item );
}
vlc_restorecancel( canc );
int i_activity = var_GetInteger( p_playlist, "activity" );
if( i_activity < 0 ) i_activity = 0;
/* Sleep at least 1ms */
msleep( (i_activity+1) * 1000 );
}
assert( 0 );
return NULL;
}
static void VariablesInit( playlist_t *p_playlist )
{
vlc_value_t val;

296
src/playlist/fetcher.c Normal file
View File

@ -0,0 +1,296 @@
/*****************************************************************************
* preparse.c: Preparser thread.
*****************************************************************************
* Copyright © 1999-2009 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Clément Stenac <zorglub@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_playlist.h>
#include "art.h"
#include "fetcher.h"
#include "playlist_internal.h"
static void *Thread( void * );
playlist_fetcher_t *playlist_fetcher_New( playlist_t *p_playlist )
{
// Secondary Preparse
playlist_fetcher_t *p_fetcher = malloc( sizeof(*p_fetcher) );
if( !p_fetcher )
return NULL;
p_fetcher->p_playlist = p_playlist;
vlc_mutex_init( &p_fetcher->lock );
vlc_cond_init( &p_fetcher->wait );
p_fetcher->i_waiting = 0;
p_fetcher->pp_waiting = NULL;
p_fetcher->i_art_policy = var_CreateGetInteger( p_playlist, "album-art" );
ARRAY_INIT( p_fetcher->albums );
if( vlc_clone( &p_fetcher->thread, Thread, p_fetcher,
VLC_THREAD_PRIORITY_LOW ) )
{
msg_Err( p_playlist, "cannot spawn secondary preparse thread" );
free( p_fetcher );
return NULL;
}
return p_fetcher;
}
void playlist_fetcher_Push( playlist_fetcher_t *p_fetcher, input_item_t *p_item )
{
vlc_gc_incref( p_item );
vlc_mutex_lock( &p_fetcher->lock );
INSERT_ELEM( p_fetcher->pp_waiting, p_fetcher->i_waiting,
p_fetcher->i_waiting, p_item );
vlc_cond_signal( &p_fetcher->wait );
vlc_mutex_unlock( &p_fetcher->lock );
}
void playlist_fetcher_Delete( playlist_fetcher_t *p_fetcher )
{
/* Destroy the item meta-infos fetcher */
vlc_cancel( p_fetcher->thread );
vlc_join( p_fetcher->thread, NULL );
while( p_fetcher->i_waiting > 0 )
{ /* Any left-over unparsed item? */
vlc_gc_decref( p_fetcher->pp_waiting[0] );
REMOVE_ELEM( p_fetcher->pp_waiting, p_fetcher->i_waiting, 0 );
}
vlc_cond_destroy( &p_fetcher->wait );
vlc_mutex_destroy( &p_fetcher->lock );
free( p_fetcher );
}
/**
* This function locates the art associated to an input item.
* Return codes:
* 0 : Art is in cache or is a local file
* 1 : Art found, need to download
* -X : Error/not found
*/
static int FindArt( playlist_fetcher_t *p_fetcher, input_item_t *p_item )
{
playlist_t *p_playlist = p_fetcher->p_playlist;
int i_ret = VLC_EGENERIC;
module_t *p_module;
char *psz_title, *psz_artist, *psz_album;
psz_artist = input_item_GetArtist( p_item );
psz_album = input_item_GetAlbum( p_item );
psz_title = input_item_GetTitle( p_item );
if( !psz_title )
psz_title = input_item_GetName( p_item );
if( !psz_title && !psz_artist && !psz_album )
return VLC_EGENERIC;
free( psz_title );
/* If we already checked this album in this session, skip */
if( psz_artist && psz_album )
{
FOREACH_ARRAY( playlist_album_t album, p_fetcher->albums )
if( !strcmp( album.psz_artist, psz_artist ) &&
!strcmp( album.psz_album, psz_album ) )
{
msg_Dbg( p_playlist, " %s - %s has already been searched",
psz_artist, psz_album );
/* TODO-fenrir if we cache art filename too, we can go faster */
free( psz_artist );
free( psz_album );
if( album.b_found )
{
if( !strncmp( album.psz_arturl, "file://", 7 ) )
input_item_SetArtURL( p_item, album.psz_arturl );
else /* Actually get URL from cache */
playlist_FindArtInCache( p_item );
return 0;
}
else
{
return VLC_EGENERIC;
}
}
FOREACH_END();
}
free( psz_artist );
free( psz_album );
playlist_FindArtInCache( p_item );
char *psz_arturl = input_item_GetArtURL( p_item );
if( psz_arturl )
{
/* We already have an URL */
if( !strncmp( psz_arturl, "file://", strlen( "file://" ) ) )
{
free( psz_arturl );
return 0; /* Art is in cache, no need to go further */
}
free( psz_arturl );
/* Art need to be put in cache */
return 1;
}
PL_LOCK;
p_playlist->p_private = p_item;
psz_album = input_item_GetAlbum( p_item );
psz_artist = input_item_GetArtist( p_item );
psz_title = input_item_GetTitle( p_item );
if( !psz_title )
psz_title = input_item_GetName( p_item );
if( psz_album && psz_artist )
{
msg_Dbg( p_playlist, "searching art for %s - %s",
psz_artist, psz_album );
}
else
{
msg_Dbg( p_playlist, "searching art for %s",
psz_title );
}
free( psz_title );
p_module = module_need( p_playlist, "art finder", NULL, false );
if( p_module )
i_ret = 1;
else
msg_Dbg( p_playlist, "unable to find art" );
/* Record this album */
if( psz_artist && psz_album )
{
playlist_album_t a;
a.psz_artist = psz_artist;
a.psz_album = psz_album;
a.psz_arturl = input_item_GetArtURL( p_item );
a.b_found = (i_ret == VLC_EGENERIC ? false : true );
ARRAY_APPEND( p_fetcher->albums, a );
}
else
{
free( psz_artist );
free( psz_album );
}
if( p_module )
module_unneed( p_playlist, p_module );
p_playlist->p_private = NULL;
PL_UNLOCK;
return i_ret;
}
static void *Thread( void *p_data )
{
playlist_fetcher_t *p_fetcher = p_data;
playlist_t *p_playlist = p_fetcher->p_playlist;
playlist_private_t *p_sys = pl_priv( p_playlist );
for( ;; )
{
input_item_t *p_item;
/* */
vlc_mutex_lock( &p_fetcher->lock );
mutex_cleanup_push( &p_fetcher->lock );
while( p_fetcher->i_waiting == 0 )
vlc_cond_wait( &p_fetcher->wait, &p_fetcher->lock );
p_item = p_fetcher->pp_waiting[0];
REMOVE_ELEM( p_fetcher->pp_waiting, p_fetcher->i_waiting, 0 );
vlc_cleanup_run( );
if( !p_item )
continue;
/* */
int canc = vlc_savecancel();
{
int i_ret;
/* Check if it is not yet preparsed and if so wait for it
* (at most 0.5s)
* (This can happen if we fetch art on play)
* FIXME this doesn't work if we need to fetch meta before art...
*/
for( i_ret = 0; i_ret < 10 && !input_item_IsPreparsed( p_item ); i_ret++ )
{
bool b_break;
PL_LOCK;
b_break = ( !p_sys->p_input || input_GetItem(p_sys->p_input) != p_item ||
p_sys->p_input->b_die || p_sys->p_input->b_eof || p_sys->p_input->b_error );
PL_UNLOCK;
if( b_break )
break;
msleep( 50000 );
}
i_ret = FindArt( p_fetcher, p_item );
if( i_ret == 1 )
{
PL_DEBUG( "downloading art for %s", p_item->psz_name );
if( playlist_DownloadArt( p_playlist, p_item ) )
input_item_SetArtNotFound( p_item, true );
else {
input_item_SetArtFetched( p_item, true );
var_SetInteger( p_playlist, "item-change",
p_item->i_id );
}
}
else if( i_ret == 0 ) /* Was in cache */
{
PL_DEBUG( "found art for %s in cache", p_item->psz_name );
input_item_SetArtFetched( p_item, true );
var_SetInteger( p_playlist, "item-change", p_item->i_id );
}
else
{
PL_DEBUG( "art not found for %s", p_item->psz_name );
input_item_SetArtNotFound( p_item, true );
}
vlc_gc_decref( p_item );
}
vlc_restorecancel( canc );
int i_activity = var_GetInteger( p_playlist, "activity" );
if( i_activity < 0 ) i_activity = 0;
/* Sleep at least 1ms */
msleep( (i_activity+1) * 1000 );
}
return NULL;
}

47
src/playlist/fetcher.h Normal file
View File

@ -0,0 +1,47 @@
/*****************************************************************************
* playlist_fetcher.h:
*****************************************************************************
* Copyright (C) 1999-2008 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Clément Stenac <zorglub@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef _PLAYLIST_FETCHER_H
#define _PLAYLIST_FETCHER_H 1
typedef struct
{
playlist_t *p_playlist;
vlc_thread_t thread;
vlc_mutex_t lock;
vlc_cond_t wait;
int i_art_policy;
int i_waiting;
input_item_t **pp_waiting;
DECL_ARRAY(playlist_album_t) albums;
} playlist_fetcher_t;
playlist_fetcher_t *playlist_fetcher_New( playlist_t * );
void playlist_fetcher_Push( playlist_fetcher_t *, input_item_t * );
void playlist_fetcher_Delete( playlist_fetcher_t * );
#endif

31
src/playlist/playlist_internal.h
View File

@ -37,35 +37,16 @@
#include "input/input_interface.h"
#include <assert.h>
typedef struct playlist_preparse_t
{
vlc_thread_t thread;
vlc_mutex_t lock;
vlc_cond_t wait;
input_item_t **pp_waiting;
int i_waiting;
bool up;
} playlist_preparse_t;
typedef struct playlist_fetcher_t
{
vlc_thread_t thread;
vlc_mutex_t lock;
vlc_cond_t wait;
int i_art_policy;
int i_waiting;
input_item_t **pp_waiting;
bool up;
DECL_ARRAY(playlist_album_t) albums;
} playlist_fetcher_t;
#include "art.h"
#include "fetcher.h"
#include "preparser.h"
typedef struct playlist_private_t
{
playlist_t public_data;
playlist_preparse_t preparse; /**< Preparser data */
playlist_fetcher_t fetcher; /**< Meta and art fetcher data */
sout_instance_t *p_sout; /**< Kept sout instance */
playlist_preparser_t *p_preparser; /**< Preparser data */
playlist_fetcher_t *p_fetcher; /**< Meta and art fetcher data */
sout_instance_t *p_sout; /**< Kept sout instance */
playlist_item_array_t items_to_delete; /**< Array of items and nodes to
delete... At the very end. This sucks. */

163
src/playlist/preparser.c Normal file
View File

@ -0,0 +1,163 @@
/*****************************************************************************
* preparse.c: Preparser thread.
*****************************************************************************
* Copyright © 1999-2009 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Clément Stenac <zorglub@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_playlist.h>
#include "art.h"
#include "fetcher.h"
#include "preparser.h"
#include "../input/input_interface.h"
static void *Thread( void * );
playlist_preparser_t *playlist_preparser_New( playlist_t *p_playlist, playlist_fetcher_t *p_fetcher )
{
playlist_preparser_t *p_preparser = malloc( sizeof(*p_preparser) );
if( !p_preparser )
return NULL;
p_preparser->p_playlist = p_playlist;
p_preparser->p_fetcher = p_fetcher;
vlc_mutex_init( &p_preparser->lock );
vlc_cond_init( &p_preparser->wait );
p_preparser->i_waiting = 0;
p_preparser->pp_waiting = NULL;
if( vlc_clone( &p_preparser->thread, Thread, p_preparser,
VLC_THREAD_PRIORITY_LOW ) )
{
msg_Err( p_playlist, "cannot spawn preparse thread" );
free( p_preparser );
return NULL;
}
return p_preparser;
}
void playlist_preparser_Push( playlist_preparser_t *p_preparser, input_item_t *p_item )
{
vlc_gc_incref( p_item );
vlc_mutex_lock( &p_preparser->lock );
INSERT_ELEM( p_preparser->pp_waiting, p_preparser->i_waiting,
p_preparser->i_waiting, p_item );
vlc_cond_signal( &p_preparser->wait );
vlc_mutex_unlock( &p_preparser->lock );
}
void playlist_preparser_Delete( playlist_preparser_t *p_preparser )
{
/* Destroy the item preparser */
vlc_cancel( p_preparser->thread );
vlc_join( p_preparser->thread, NULL );
while( p_preparser->i_waiting > 0 )
{ /* Any left-over unparsed item? */
vlc_gc_decref( p_preparser->pp_waiting[0] );
REMOVE_ELEM( p_preparser->pp_waiting, p_preparser->i_waiting, 0 );
}
vlc_cond_destroy( &p_preparser->wait );
vlc_mutex_destroy( &p_preparser->lock );
}
static void *Thread( void *data )
{
playlist_preparser_t *p_preparser = data;
playlist_t *p_playlist = p_preparser->p_playlist;
playlist_fetcher_t *p_fetcher = p_preparser->p_fetcher;
for( ;; )
{
input_item_t *p_current;
/* */
vlc_mutex_lock( &p_preparser->lock );
mutex_cleanup_push( &p_preparser->lock );
while( p_preparser->i_waiting == 0 )
vlc_cond_wait( &p_preparser->wait, &p_preparser->lock );
p_current = p_preparser->pp_waiting[0];
REMOVE_ELEM( p_preparser->pp_waiting, p_preparser->i_waiting, 0 );
vlc_cleanup_run( );
if( !p_current )
continue;
int canc = vlc_savecancel ();
{
PL_LOCK;
if( p_current->i_type == ITEM_TYPE_FILE )
{
stats_TimerStart( p_playlist, "Preparse run",
STATS_TIMER_PREPARSE );
/* Do not preparse if it is already done (like by playing it) */
if( !input_item_IsPreparsed( p_current ) )
{
PL_UNLOCK;
input_Preparse( p_playlist, p_current );
PL_LOCK;
}
stats_TimerStop( p_playlist, STATS_TIMER_PREPARSE );
PL_UNLOCK;
input_item_SetPreparsed( p_current, true );
var_SetInteger( p_playlist, "item-change", p_current->i_id );
PL_LOCK;
}
/* If we haven't retrieved enough meta, add to secondary queue
* which will run the "meta fetchers".
* This only checks for meta, not for art
* \todo don't do this for things we won't get meta for, like vids
*/
char *psz_arturl = input_item_GetArtURL( p_current );
char *psz_name = input_item_GetName( p_current );
if( p_fetcher && p_fetcher->i_art_policy == ALBUM_ART_ALL &&
( !psz_arturl || strncmp( psz_arturl, "file://", 7 ) ) )
{
msg_Dbg( p_playlist, "meta ok for %s, need to fetch art", psz_name );
playlist_fetcher_Push( p_fetcher, p_current );
}
else
{
msg_Dbg( p_playlist, "no fetch required for %s (art currently %s)",
psz_name, psz_arturl );
}
vlc_gc_decref( p_current );
free( psz_name );
free( psz_arturl );
PL_UNLOCK;
}
vlc_restorecancel( canc );
int i_activity = var_GetInteger( p_playlist, "activity" );
if( i_activity < 0 ) i_activity = 0;
/* Sleep at least 1ms */
msleep( (i_activity+1) * 1000 );
}
return NULL;
}

45
src/playlist/preparser.h Normal file
View File

@ -0,0 +1,45 @@
/*****************************************************************************
* playlist_preparser.h:
*****************************************************************************
* Copyright (C) 1999-2008 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Clément Stenac <zorglub@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef _PLAYLIST_PREPARSER_H
#define _PLAYLIST_PREPARSER_H 1
typedef struct
{
playlist_t *p_playlist;
playlist_fetcher_t *p_fetcher;
vlc_thread_t thread;
vlc_mutex_t lock;
vlc_cond_t wait;
input_item_t **pp_waiting;
int i_waiting;
} playlist_preparser_t;
playlist_preparser_t *playlist_preparser_New( playlist_t *, playlist_fetcher_t * );
void playlist_preparser_Push( playlist_preparser_t *, input_item_t * );
void playlist_preparser_Delete( playlist_preparser_t * );
#endif

47
src/playlist/thread.c
View File

@ -52,42 +52,23 @@ static void* RunControlThread ( vlc_object_t * );
void __playlist_ThreadCreate( vlc_object_t *p_parent )
{
playlist_t *p_playlist = playlist_Create( p_parent );
if( !p_playlist ) return;
// Preparse
playlist_preparse_t *p_preparse = &pl_priv(p_playlist)->preparse;
vlc_mutex_init (&p_preparse->lock);
vlc_cond_init (&p_preparse->wait);
p_preparse->i_waiting = 0;
p_preparse->pp_waiting = NULL;
if( vlc_clone( &p_preparse->thread, playlist_PreparseLoop, p_preparse,
VLC_THREAD_PRIORITY_LOW ) )
{
msg_Err( p_playlist, "cannot spawn preparse thread" );
p_preparse->up = false;
if( !p_playlist )
return;
}
p_preparse->up = true;
// Secondary Preparse
playlist_fetcher_t *p_fetcher = &pl_priv(p_playlist)->fetcher;
vlc_mutex_init (&p_fetcher->lock);
vlc_cond_init (&p_fetcher->wait);
p_fetcher->i_waiting = 0;
p_fetcher->pp_waiting = NULL;
p_fetcher->i_art_policy = var_CreateGetInteger( p_playlist, "album-art" );
/* */
playlist_private_t *p_sys = pl_priv(p_playlist);
if( vlc_clone( &p_fetcher->thread, playlist_FetcherLoop, p_fetcher,
VLC_THREAD_PRIORITY_LOW ) )
{
msg_Err( p_playlist, "cannot spawn secondary preparse thread" );
p_fetcher->up = false;
return;
}
p_fetcher->up = true;
/* Fetcher */
p_sys->p_fetcher = playlist_fetcher_New( p_playlist );
if( !p_sys->p_fetcher )
msg_Err( p_playlist, "cannot create playlist fetcher" );
// Start the thread
/* Preparse */
p_sys->p_preparser = playlist_preparser_New( p_playlist, p_sys->p_fetcher );
if( !p_sys->p_preparser )
msg_Err( p_playlist, "cannot create playlist preparser" );
/* Start the playlist thread */
if( vlc_thread_create( p_playlist, "playlist", RunControlThread,
VLC_THREAD_PRIORITY_LOW, false ) )
{
@ -98,8 +79,6 @@ void __playlist_ThreadCreate( vlc_object_t *p_parent )
/* The object has been initialized, now attach it */
vlc_object_attach( p_playlist, p_parent );
return;
}
/**