Commit 92caa32e authored by Antoine Cellerier's avatar Antoine Cellerier

Add Google Video Playlist parsing support (stuff like http://video.google.com/videogvp?docid=... )

parent 3619c8af
......@@ -13,6 +13,7 @@ SOURCES_playlist = \
asx.c \
sgimb.c \
qtl.c \
gvp.c \
$(NULL)
/*****************************************************************************
* gvp.c: Google Video Playlist demuxer
*****************************************************************************
* Copyright (C) 2006 the VideoLAN team
* $Id$
*
* Authors: Antoine Cellerier <dionoea @t videolan d.t 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.
*****************************************************************************/
/**
* Format seems to be:
* gvp_version:<version> (1.1)
* url:<the media's url>
* docid:<integer>
* duration:<integer ms ?>
* title:<the title>
* description:<desc line1>^M
* description:<desc linei>^M
* description:<desc final line (no ^M)>
* lines starting with # are comments
*/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
#include <vlc/input.h>
#include <vlc/intf.h>
#include <errno.h> /* ENOMEM */
#include "playlist.h"
#define MAX_LINE 1024
struct demux_sys_t
{
playlist_t *p_playlist;
playlist_item_t *p_current;
playlist_item_t *p_item_in_category;
int i_parent_id;
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux( demux_t *p_demux);
static int Control( demux_t *p_demux, int i_query, va_list args );
/*****************************************************************************
* Import_GVP: main import function
*****************************************************************************/
int E_(Import_GVP)( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t *)p_this;
demux_sys_t *p_sys;
int i_size;
byte_t *p_peek;
i_size = stream_Peek( p_demux->s, &p_peek, MAX_LINE );
if( !strstr( (char*)p_peek, "gvp_version:" ) )
{
return VLC_EGENERIC;
}
msg_Dbg( p_demux, "using Google Video Playlist (gvp) import");
p_demux->pf_control = Control;
p_demux->pf_demux = Demux;
p_demux->p_sys = p_sys = malloc( sizeof(demux_sys_t) );
if( p_sys == NULL )
{
msg_Err( p_demux, "out of memory" );
return VLC_ENOMEM;
}
p_sys->p_playlist = NULL;
return VLC_SUCCESS;
}
/*****************************************************************************
* Deactivate: frees unused data
*****************************************************************************/
void E_(Close_GVP)( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t *)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
if( p_sys->p_playlist )
vlc_object_release( p_sys->p_playlist );
free( p_sys );
}
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
INIT_PLAYLIST_STUFF;
p_sys->p_playlist = p_playlist;
p_sys->p_current = p_current;
p_sys->i_parent_id = i_parent_id;
p_sys->p_item_in_category = p_item_in_category;
char *psz_line;
char *psz_attrvalue;
char *psz_version = NULL;
char *psz_url = NULL;
char *psz_docid = NULL;
int i_duration = -1;
char *psz_title = NULL;
char *psz_description = NULL;
while( ( psz_line = stream_ReadLine( p_demux->s ) ) )
{
if( *psz_line == '#' )
{
/* This is a comment */
free( psz_line );
continue;
}
psz_attrvalue = strchr( psz_line, ':' );
if( !psz_attrvalue )
{
msg_Dbg( p_demux, "Unable to parse line (%s)", psz_line );
free( psz_line );
continue;
}
*psz_attrvalue = '\0';
psz_attrvalue++;
if( !strcmp( psz_line, "gvp_version" ) )
{
psz_version = strdup( psz_attrvalue );
}
else if( !strcmp( psz_line, "url" ) )
{
psz_url = strdup( psz_attrvalue );
}
else if( !strcmp( psz_line, "docid" ) )
{
psz_docid = strdup( psz_attrvalue );
}
else if( !strcmp( psz_line, "duration" ) )
{
i_duration = atoi( psz_attrvalue );
}
else if( !strcmp( psz_line, "title" ) )
{
psz_title = strdup( psz_attrvalue );
}
else if( !strcmp( psz_line, "description" ) )
{
char *buf;
if( !psz_description )
{
psz_description = strdup( psz_attrvalue );
}
else
{
/* handle multi-line descriptions */
buf = malloc( strlen( psz_description )
+ strlen( psz_attrvalue ) + 2 );
sprintf( buf, "%s\n%s", psz_description, psz_attrvalue );
free( psz_description );
psz_description = buf;
}
/* remove ^M char at the end of the line (if any) */
buf = psz_description + strlen( psz_description );
if( buf != psz_description )
{
buf--;
if( *buf == '\r' ) *buf = '\0';
}
}
free( psz_line );
}
if( !psz_url )
{
msg_Err( p_demux, "URL not found" );
}
else
{
p_input = input_ItemNewExt( p_sys->p_playlist,
psz_url, psz_title, 0, NULL, -1 );
#define SADD_INFO( type, field ) if( field ) { vlc_input_item_AddInfo( \
p_input, _("Google Video"), _(type), "%s", field ) ; }
SADD_INFO( "gvp_version", psz_version );
SADD_INFO( "docid", psz_docid );
SADD_INFO( "description", psz_description );
playlist_AddWhereverNeeded( p_sys->p_playlist, p_input,
p_sys->p_current, p_sys->p_item_in_category,
(p_sys->i_parent_id > 0 ) ? VLC_TRUE: VLC_FALSE,
PLAYLIST_APPEND );
}
HANDLE_PLAY_AND_RELEASE;
free( psz_version );
free( psz_url );
free( psz_docid );
free( psz_title );
free( psz_description );
p_sys->p_playlist = NULL;
return VLC_SUCCESS;
}
static int Control( demux_t *p_demux, int i_query, va_list args )
{
return VLC_EGENERIC;
}
......@@ -111,6 +111,11 @@ vlc_module_begin();
add_shortcut( "qtl" );
set_capability( "demux2", 10 );
set_callbacks( E_(Import_QTL), E_(Close_QTL) );
add_submodule();
set_description( _("Google Video Playlist importer") );
add_shortcut( "gvp" );
set_capability( "demux2", 10 );
set_callbacks( E_(Import_GVP), E_(Close_GVP) );
vlc_module_end();
......
......@@ -62,6 +62,9 @@ void E_(Close_SGIMB) ( vlc_object_t * );
int E_(Import_QTL) ( vlc_object_t * );
void E_(Close_QTL) ( vlc_object_t * );
int E_(Import_GVP) ( vlc_object_t * );
void E_(Close_GVP) ( vlc_object_t * );
#define INIT_PLAYLIST_STUFF \
int i_parent_id; \
vlc_bool_t b_play; \
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment