Commit 74da5425 authored by Pierre d'Herbemont's avatar Pierre d'Herbemont

modules/meta_engine/googleimage.c: Art Fetcher module that gets it's arts from images.google.com.

parent 4af2ccf4
......@@ -1209,6 +1209,7 @@ VLC_ADD_PLUGINS([access_filter_bandwidth])
VLC_ADD_PLUGINS([packetizer_mpegvideo packetizer_h264])
VLC_ADD_PLUGINS([packetizer_mpeg4video packetizer_mpeg4audio])
VLC_ADD_PLUGINS([packetizer_vc1])
VLC_ADD_PLUGINS([googleimage])
if test "${SYS}" != "mingwce"; then
......
SOURCES_musicbrainz = musicbrainz.c
SOURCES_folder = folder.c
SOURCES_taglib = taglib.cpp
SOURCES_googleimage = googleimage.c
SOURCES_id3tag = id3tag.c id3genres.h $(NULL)
/*****************************************************************************
* googleimage.c
*****************************************************************************
* Copyright (C) 2006 the VideoLAN team
* $Id$
*
* Authors: Pierre d'Herbemont <pdherbemont # 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
#include <vlc_input.h>
#include <vlc_playlist.h>
#include <vlc_meta.h>
#include <vlc_stream.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int FindArt( vlc_object_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_shortname( N_( "GoogleImage" ) );
set_description( _("Fetch Artwork from Google Images") );
/* Go to image.google.com and download the first image closest to the
* title */
set_capability( "art finder", 30 );
set_callbacks( FindArt, NULL );
vlc_module_end();
/*****************************************************************************
*****************************************************************************/
static const char * kpsz_google_image_server = "images.google.com";
static const char * kpsz_first_image_token = "imgurl=";
static int FindArt( vlc_object_t *p_this )
{
playlist_t *p_playlist = (playlist_t *)p_this;
char *request, *fname, *psz;
stream_t *p_stream;
unsigned int count;
unsigned int i;
input_item_t *p_item = (input_item_t *)(p_playlist->p_private);
char psz_buffer[65536]; /* XXX: We might want to lower that */
assert( p_item );
if( !p_item->p_meta || !p_item->p_meta->psz_title )
{
if( !p_item->psz_name )
{
msg_Dbg( p_this, "item has no name" );
return VLC_EGENERIC;
}
fname = strdup( p_item->psz_name );
}
else
{
fname = strdup( p_item->p_meta->psz_title );
}
/* If there is a .xxx remove it, we get bad matches with it */
count = strlen( fname );
if( count > 4 && fname[count-4] == '.' )
fname[count-4] = 0;
/* Replace some special char by + */
for( i = 0; i < strlen( fname ); i++)
{
if( fname[i] == ' ' || fname[i] == '-' || fname[i] == '.' )
fname[i] = '+';
}
asprintf( &request, "http://%s/images?q=%s&ie=UTF-8", kpsz_google_image_server, fname );
free( fname );
msg_Dbg( p_this, "going to request %s", request );
/* Sending the request */
p_stream = stream_UrlNew( p_playlist, request );
free( request );
if( !p_stream )
{
msg_Err( p_this, "Can't connect" );
return VLC_EGENERIC;
}
/* The access will return the whole page at once, we just abuse from that */
count = stream_Read( p_stream , (uint8_t*)psz_buffer, sizeof(psz_buffer)-1 );
if( count <= 0 )
{
msg_Warn( p_this, "Can't read the page" );
stream_Delete( p_stream );
return VLC_EGENERIC;
}
psz_buffer[count] = 0;
/* Find the first occurences of kpsz_first_image_token */
if( !(psz = strstr( psz_buffer, kpsz_first_image_token )) )
{
msg_Warn( p_this, "No image found" );
stream_Delete( p_stream );
return VLC_EGENERIC;
}
/* Found */
psz += 7;
/* Now get the end of the link */
fname = psz;
psz = strchr( fname, '&' );
if( !psz )
{
msg_Dbg( p_this, "Invalid page (or chunk) (!)" );
stream_Delete( p_stream );
return VLC_EGENERIC;
}
*psz = 0;
/* fname points to the url */
stream_Delete( p_stream );
/* We have the link */
msg_Dbg( p_this, "Image is at '%s'\n", fname );
vlc_meta_SetArtURL( p_item->p_meta, fname );
return VLC_SUCCESS;
}
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