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vlc/modules/lua/libs/medialibrary.c

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/*****************************************************************************
* medialibrary.c
*****************************************************************************
* Copyright (C) 2020 the VideoLAN team
*
* Authors: Hugo Beauzée-Luyssen <hugo@beauzee.fr>
*
* 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_media_library.h>
#include "../libs.h"
static void vlclua_ml_push_media( lua_State *L, const vlc_ml_media_t *media )
{
lua_newtable( L );
lua_pushinteger( L, media->i_id );
lua_setfield( L, -2, "id" );
lua_pushstring( L, media->psz_title );
lua_setfield( L, -2, "title" );
lua_pushstring( L, media->psz_filename );
lua_setfield( L, -2, "filename" );
lua_pushinteger( L, media->i_type );
lua_setfield( L, -2, "type" );
lua_pushinteger( L, media->i_duration );
lua_setfield( L, -2, "duration" );
lua_pushboolean( L, media->thumbnails[VLC_ML_THUMBNAIL_SMALL].i_status == VLC_ML_THUMBNAIL_STATUS_AVAILABLE );
lua_setfield( L, -2, "hasThumbnail" );
switch ( media->i_subtype )
{
case VLC_ML_MEDIA_SUBTYPE_ALBUMTRACK:
{
lua_newtable( L );
lua_pushinteger( L, media->album_track.i_artist_id );
lua_setfield( L, -2, "artistId" );
lua_pushinteger( L, media->album_track.i_album_id );
lua_setfield( L, -2, "albumId" );
lua_pushinteger( L, media->album_track.i_genre_id );
lua_setfield( L, -2, "genreId" );
lua_pushinteger( L, media->album_track.i_track_nb );
lua_setfield( L, -2, "trackId" );
lua_pushinteger( L, media->album_track.i_disc_nb );
lua_setfield( L, -2, "discId" );
lua_setfield( L, -2, "albumTrack" );
lua_pushstring( L, "albumTrack" );
break;
}
case VLC_ML_MEDIA_SUBTYPE_MOVIE:
{
lua_newtable( L );
lua_pushstring( L, media->movie.psz_summary );
lua_setfield( L, -2, "summary" );
lua_setfield( L, -2, "movie" );
lua_pushstring( L, "movie" );
break;
}
case VLC_ML_MEDIA_SUBTYPE_SHOW_EPISODE:
{
lua_newtable( L );
lua_pushstring( L, media->show_episode.psz_summary );
lua_setfield( L, -2, "summary" );
lua_pushinteger( L, media->show_episode.i_episode_nb );
lua_setfield( L, -2, "episodeId" );
lua_pushinteger( L, media->show_episode.i_season_number );
lua_setfield( L, -2, "seasonId" );
lua_setfield( L, -2, "showEpisode" );
lua_pushstring( L, "showEpisode" );
break;
}
default:
lua_pushstring( L, "unknown" );
break;
}
lua_setfield( L, -2, "subType" );
for ( size_t i = 0; i < media->p_files->i_nb_items; ++i )
{
if ( media->p_files->p_items[i].i_type == VLC_ML_FILE_TYPE_MAIN )
{
lua_pushstring( L, media->p_files->p_items[i].psz_mrl );
lua_setfield( L, -2, "mrl" );
break;
}
}
if ( media->i_type != VLC_ML_MEDIA_TYPE_VIDEO )
return;
const char* quality = NULL;
uint32_t maxChannels = 0;
for ( size_t i = 0; i < media->p_tracks->i_nb_items; ++i )
{
vlc_ml_media_track_t* track = &media->p_tracks->p_items[i];
if ( track->i_type == VLC_ML_TRACK_TYPE_VIDEO && quality == NULL )
{
uint32_t width = track->v.i_width > track->v.i_height ?
track->v.i_width : track->v.i_height;
if ( width >= 3840 )
{
quality = "4K";
break;
}
else if ( width >= 1920 )
{
quality = "1080p";
break;
}
else if ( width >= 1280 )
{
quality = "720p";
break;
}
}
if ( track->i_type == VLC_ML_TRACK_TYPE_AUDIO )
{
if ( track->a.i_nbChannels > maxChannels )
maxChannels = track->a.i_nbChannels;
}
}
if ( quality == NULL )
quality = "SD";
lua_pushstring( L, quality );
lua_setfield( L, -2, "quality" );
lua_pushinteger( L, maxChannels );
lua_setfield( L, -2, "nbChannels" );
}
static void vlclua_ml_push_show( lua_State *L, const vlc_ml_show_t *show )
{
lua_newtable( L );
lua_pushinteger( L, show->i_id );
lua_setfield( L, -2, "id" );
lua_pushstring( L, show->psz_name );
lua_setfield( L, -2, "name" );
lua_pushstring( L, show->psz_summary );
lua_setfield( L, -2, "summary" );
lua_pushstring( L, show->psz_artwork_mrl );
lua_setfield( L, -2, "artworkMrl" );
lua_pushstring( L, show->psz_tvdb_id );
lua_setfield( L, -2, "tvdbId" );
lua_pushboolean( L, show->i_release_year );
lua_setfield( L, -2, "releaseYear" );
lua_pushboolean( L, show->i_nb_episodes );
lua_setfield( L, -2, "nbEpisodes" );
lua_pushboolean( L, show->i_nb_seasons );
lua_setfield( L, -2, "nbSeason" );
}
static void vlclua_ml_push_album( lua_State* L, const vlc_ml_album_t *album )
{
lua_newtable( L );
lua_pushinteger( L, album->i_id );
lua_setfield( L, -2, "id" );
lua_pushstring( L, album->psz_title );
lua_setfield( L, -2, "title" );
lua_pushboolean( L, album->thumbnails[VLC_ML_THUMBNAIL_SMALL].i_status == VLC_ML_THUMBNAIL_STATUS_AVAILABLE );
lua_setfield( L, -2, "hasThumbnail" );
lua_pushinteger( L, album->i_artist_id );
lua_setfield( L, -2, "artistId" );
lua_pushstring( L, album->psz_artist );
lua_setfield( L, -2, "artist" );
lua_pushinteger( L, album->i_nb_tracks );
lua_setfield( L, -2, "nbTracks" );
lua_pushinteger( L, album->i_duration );
lua_setfield( L, -2, "duration" );
lua_pushinteger( L, album->i_year );
lua_setfield( L, -2, "releaseYear" );
}
static void vlclua_ml_push_artist( lua_State* L, const vlc_ml_artist_t* artist )
{
lua_newtable( L );
lua_pushinteger( L, artist->i_id );
lua_setfield( L, -2, "id" );
lua_pushstring( L, artist->psz_name);
lua_setfield( L, -2, "name" );
lua_pushboolean( L, artist->thumbnails[VLC_ML_THUMBNAIL_SMALL].i_status == VLC_ML_THUMBNAIL_STATUS_AVAILABLE );
lua_setfield( L, -2, "hasThumbnail" );
lua_pushinteger( L, artist->i_nb_tracks );
lua_setfield( L, -2, "nbTracks" );
lua_pushinteger( L, artist->i_nb_album );
lua_setfield( L, -2, "nbAlbums" );
}
static void vlclua_ml_push_genre( lua_State* L, const vlc_ml_genre_t* genre )
{
lua_newtable( L );
lua_pushinteger( L, genre->i_id );
lua_setfield( L, -2, "id" );
lua_pushstring( L, genre->psz_name );
lua_setfield( L, -2, "name" );
lua_pushinteger( L, genre->i_nb_tracks );
lua_setfield( L, -2, "nbTracks" );
}
static int vlclua_ml_list_media( lua_State* L, vlc_ml_media_list_t* list )
{
if ( list == NULL )
return luaL_error( L, "Failed to list media" );
lua_createtable( L, list->i_nb_items, 0 );
for ( size_t i = 0; i < list->i_nb_items; ++i )
{
vlclua_ml_push_media( L, &list->p_items[i] );
lua_rawseti( L, -2, i + 1 );
}
vlc_ml_release( list );
return 1;
}
static int vlclua_ml_list_show( lua_State* L, vlc_ml_show_list_t* list )
{
if ( list == NULL )
return luaL_error( L, "Failed to list show" );
lua_createtable( L, list->i_nb_items, 0 );
for ( size_t i = 0; i < list->i_nb_items; ++i )
{
vlclua_ml_push_show( L, &list->p_items[i] );
lua_rawseti( L, -2, i + 1 );
}
vlc_ml_release( list );
return 1;
}
static void vlclua_ml_assign_params( lua_State *L, vlc_ml_query_params_t *params, uint8_t paramIndex )
{
*params = vlc_ml_query_params_create();
if (!lua_istable(L, paramIndex))
return;
lua_getfield(L, 1, "public_only" );
lua_getfield(L, 1, "favorite_only" );
lua_getfield(L, 1, "limit" );
lua_getfield(L, 1, "offset" );
lua_getfield(L, 1, "desc" );
lua_getfield(L, 1, "sort" );
lua_getfield(L, 1, "pattern" );
params->b_public_only = lua_toboolean( L, -7 );
params->b_favorite_only = lua_toboolean( L, -6 );
params->i_nbResults = lua_tointeger( L, -5 );
params->i_offset = lua_tointeger( L, -4 );
params->b_desc = lua_toboolean( L, -3 );
params->i_sort = lua_tointeger(L, -2);
params->psz_pattern = lua_tostring(L, -1);
}
static int vlclua_ml_video( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 1 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_media_list_t* list = vlc_ml_list_video_media( ml, &params );
return vlclua_ml_list_media( L, list );
}
static int vlclua_ml_list_shows( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 1 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_show_list_t* list = vlc_ml_list_shows( ml, &params );
return vlclua_ml_list_show( L, list );
}
static int vlclua_ml_audio( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 1 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_media_list_t* list = vlc_ml_list_audio_media( ml, &params );
return vlclua_ml_list_media( L, list );
}
static int vlclua_ml_list_albums( lua_State *L, vlc_ml_album_list_t *list )
{
if ( list == NULL )
return luaL_error( L, "Failed to list albums" );
lua_createtable( L, list->i_nb_items, 0 );
for ( size_t i = 0; i < list->i_nb_items; ++i )
{
vlclua_ml_push_album( L, &list->p_items[i] );
lua_rawseti( L, -2, i + 1 );
}
vlc_ml_release( list );
return 1;
}
static int vlclua_ml_list_all_albums( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 1 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_album_list_t* list = vlc_ml_list_albums( ml, &params );
return vlclua_ml_list_albums( L, list );
}
static int vlclua_ml_list_artist_albums( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 2 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
lua_Integer artistId = luaL_checkinteger( L, 1 );
vlc_ml_album_list_t* list = vlc_ml_list_artist_albums( ml, &params, artistId );
return vlclua_ml_list_albums( L, list );
}
static int vlclua_ml_list_genre_albums( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 2 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
lua_Integer genreId = luaL_checkinteger( L, 1 );
vlc_ml_album_list_t* list = vlc_ml_list_genre_albums( ml, &params, genreId );
return vlclua_ml_list_albums( L, list );
}
static int vlclua_ml_get_album( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
lua_Integer albumId = luaL_checkinteger( L, 1 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_album_t* album = vlc_ml_get_album( ml, albumId );
if ( album == NULL )
return luaL_error( L, "Failed to get album" );
vlclua_ml_push_album( L, album );
vlc_ml_release( album );
return 1;
}
static int vlclua_ml_list_artists( lua_State *L, vlc_ml_artist_list_t *list )
{
if ( list == NULL )
return luaL_error( L, "Failed to list artists" );
lua_createtable( L, list->i_nb_items, 0 );
for ( size_t i = 0; i < list->i_nb_items; ++i )
{
vlclua_ml_push_artist( L, &list->p_items[i] );
lua_rawseti( L, -2, i + 1 );
}
vlc_ml_release( list );
return 1;
}
static int vlclua_ml_list_all_artists( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 1 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_artist_list_t* list = vlc_ml_list_artists( ml, &params, true );
return vlclua_ml_list_artists( L, list );
}
static int vlclua_ml_list_genre_artists( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 2 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
lua_Integer genreId = luaL_checkinteger( L, 1 );
vlc_ml_artist_list_t* list = vlc_ml_list_genre_artists( ml, &params, genreId );
return vlclua_ml_list_artists( L, list );
}
static int vlclua_ml_get_artist( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
lua_Integer artistId = luaL_checkinteger( L, 1 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_artist_t* artist = vlc_ml_get_artist( ml, artistId );
if ( artist == NULL )
return luaL_error( L, "Failed to get artist" );
vlclua_ml_push_artist( L, artist );
vlc_ml_release( artist );
return 1;
}
static int vlclua_ml_list_genres( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 1 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_genre_list_t* list = vlc_ml_list_genres( ml, &params );
if ( list == NULL )
return luaL_error( L, "Failed to list genres" );
lua_createtable( L, list->i_nb_items, 0 );
for ( size_t i = 0; i < list->i_nb_items; ++i )
{
vlclua_ml_push_genre( L, &list->p_items[i] );
lua_rawseti( L, -2, i + 1 );
}
vlc_ml_release( list );
return 1;
}
static int vlclua_ml_get_genre( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
lua_Integer genreId = luaL_checkinteger( L, 1 );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_genre_t* genre = vlc_ml_get_genre( ml, genreId );
if ( genre == NULL )
return luaL_error( L, "Failed to get genre" );
vlclua_ml_push_genre( L, genre );
vlc_ml_release( genre );
return 1;
}
static int vlclua_ml_get_media_thumbnail( lua_State *L )
{
if( lua_gettop( L ) < 1 ) return vlclua_error( L );
lua_Integer mediaId = luaL_checkinteger( L, 1 );
vlc_object_t *p_this = vlclua_get_this( L );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_media_t* media = vlc_ml_get_media( ml, mediaId );
if ( media == NULL ||
media->thumbnails[VLC_ML_THUMBNAIL_SMALL].psz_mrl == NULL )
{
vlc_ml_release( media );
return 0;
}
lua_pushstring( L, media->thumbnails[VLC_ML_THUMBNAIL_SMALL].psz_mrl );
vlc_ml_release( media );
return 1;
}
static int vlclua_ml_get_artist_thumbnail( lua_State *L )
{
if( lua_gettop( L ) < 1 ) return vlclua_error( L );
lua_Integer artistId = luaL_checkinteger( L, 1 );
vlc_object_t *p_this = vlclua_get_this( L );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_artist_t* artist = vlc_ml_get_artist( ml, artistId );
if ( artist == NULL ||
artist->thumbnails[VLC_ML_THUMBNAIL_SMALL].psz_mrl == NULL )
{
vlc_ml_release( artist );
return 0;
}
lua_pushstring( L, artist->thumbnails[VLC_ML_THUMBNAIL_SMALL].psz_mrl );
vlc_ml_release( artist );
return 1;
}
static int vlclua_ml_get_album_thumbnail( lua_State *L )
{
if( lua_gettop( L ) < 1 ) return vlclua_error( L );
lua_Integer albumId = luaL_checkinteger( L, 1 );
vlc_object_t *p_this = vlclua_get_this( L );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_album_t* album = vlc_ml_get_album( ml, albumId );
if ( album == NULL ||
album->thumbnails[VLC_ML_THUMBNAIL_SMALL].psz_mrl == NULL )
{
vlc_ml_release( album );
return 0;
}
lua_pushstring( L, album->thumbnails[VLC_ML_THUMBNAIL_SMALL].psz_mrl );
vlc_ml_release( album );
return 1;
}
static int vlclua_ml_list_album_tracks( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_query_params_t params;
vlclua_ml_assign_params( L, &params, 2 );
lua_Integer albumId = luaL_checkinteger( L, 1 );
vlc_ml_media_list_t *list = vlc_ml_list_album_tracks( ml, &params, albumId );
return vlclua_ml_list_media( L, list );
}
static int vlclua_ml_reload( lua_State *L )
{
vlc_object_t *p_this = vlclua_get_this( L );
vlc_medialibrary_t* ml = vlc_ml_instance_get( p_this );
vlc_ml_reload_folder( ml, NULL );
return 0;
}
static const luaL_Reg vlclua_ml_reg[] = {
{ "video", vlclua_ml_video },
{ "show_episodes", vlclua_ml_list_shows },
{ "audio", vlclua_ml_audio },
{ "media_thumbnail", vlclua_ml_get_media_thumbnail },
{ "albums", vlclua_ml_list_all_albums },
{ "album", vlclua_ml_get_album },
{ "artists", vlclua_ml_list_all_artists },
{ "artist", vlclua_ml_get_artist },
{ "genres", vlclua_ml_list_genres },
{ "genre", vlclua_ml_get_genre },
{ "album_tracks", vlclua_ml_list_album_tracks },
{ "artist_albums", vlclua_ml_list_artist_albums },
{ "genre_albums", vlclua_ml_list_genre_albums },
{ "genre_artists", vlclua_ml_list_genre_artists },
{ "artist_thumbnail", vlclua_ml_get_artist_thumbnail },
{ "album_thumbnail", vlclua_ml_get_album_thumbnail },
{ "reload", vlclua_ml_reload },
{ NULL, NULL }
};
void luaopen_ml( lua_State *L )
{
lua_newtable( L );
luaL_register( L, NULL, vlclua_ml_reg );
lua_setfield( L, -2, "ml" );
}