/*****************************************************************************

 * ID3Meta.h : ID3v2 Meta Helper

 *****************************************************************************

 * Copyright (C) 2016 VLC authors and VideoLAN

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser 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 ID3META_H

#define ID3META_H

#include <vlc_meta.h>

#include "ID3Text.h"

#define vlc_meta_extra vlc_meta_Title

static struct

{

    uint32_t i_tag;

    vlc_meta_type_t type;

    const char *psz;

} const ID3_tag_to_metatype[] = {

    { VLC_FOURCC('T', 'A', 'L', 'B'), vlc_meta_Album,       NULL },

    { VLC_FOURCC('T', 'D', 'R', 'C'), vlc_meta_Date,        NULL },

    { VLC_FOURCC('T', 'E', 'N', 'C'), vlc_meta_extra,       "Encoder" },

    { VLC_FOURCC('T', 'I', 'T', '2'), vlc_meta_Title,       NULL },

    { VLC_FOURCC('T', 'O', 'P', 'E'), vlc_meta_extra,       "Original Artist" },

    { VLC_FOURCC('T', 'O', 'R', 'Y'), vlc_meta_extra,       "Original Release Year" },

    { VLC_FOURCC('T', 'P', 'E', '1'), vlc_meta_Artist,      NULL },

    { VLC_FOURCC('T', 'P', 'E', '2'), vlc_meta_AlbumArtist, NULL },

    { VLC_FOURCC('T', 'R', 'S', 'N'), vlc_meta_Publisher,   NULL },

    { VLC_FOURCC('T', 'R', 'S', 'O'), vlc_meta_extra,       "Radio Station Owner" },

};

#undef vlc_meta_extra

static bool ID3TextTagHandler( const uint8_t *p_buf, size_t i_buf,

                               vlc_meta_type_t type, const char *psz_extra,

                               vlc_meta_t *p_meta, bool *pb_updated )

{

    if( p_meta == NULL )

        return false;

    char *p_alloc;

    const char *psz = ID3TextConvert( p_buf, i_buf, &p_alloc );

    if( psz && *psz )

    {

        const char *psz_old = ( psz_extra ) ? vlc_meta_GetExtra( p_meta, psz_extra ):

                                              vlc_meta_Get( p_meta, type );

        if( !psz_old || strcmp( psz_old, psz ) )

        {

            if( pb_updated )

                *pb_updated = true;

            if( psz_extra )

                vlc_meta_AddExtra( p_meta, psz_extra, psz );

            else

                vlc_meta_Set( p_meta, type, psz );

        }

    }

    free( p_alloc );

    return (psz != NULL);

}

Unexecuted instantiation: es.c:ID3TextTagHandler

Unexecuted instantiation: meta.c:ID3TextTagHandler

static bool ID3LinkFrameTagHandler( const uint8_t *p_buf, size_t i_buf,

                                    vlc_meta_t *p_meta, bool *pb_updated )

{

    if( i_buf > 13 && p_meta )

    {

        const char *psz = (const char *)&p_buf[1];

        size_t i_len = i_buf - 1;

        size_t i_desclen = strnlen(psz, i_len);

        if( i_desclen < i_len - 1 && i_desclen > 11 &&

            !strncmp( "artworkURL_", psz, 11 ) )

        {

            const char *psz_old = vlc_meta_Get( p_meta, vlc_meta_ArtworkURL );

            if( !psz_old || strncmp( psz_old, &psz[i_desclen], i_len - i_desclen ) )

            {

                char *p_alloc = strndup(&psz[i_desclen + 1], i_len - i_desclen - 1);

                vlc_meta_Set( p_meta, vlc_meta_ArtworkURL, p_alloc );

                free( p_alloc );

                *pb_updated = true;

            }

        }

        return true;

    }

    return false;

}

Unexecuted instantiation: es.c:ID3LinkFrameTagHandler

Unexecuted instantiation: meta.c:ID3LinkFrameTagHandler

static bool ID3HandleTag( const uint8_t *p_buf, size_t i_buf,

                          uint32_t i_tag,

                          vlc_meta_t *p_meta, bool *pb_updated )

{

    if( i_tag == VLC_FOURCC('W', 'X', 'X', 'X') )

    {

        return ID3LinkFrameTagHandler( p_buf, i_buf, p_meta, pb_updated );

    }

    else if( i_tag == VLC_FOURCC('T', 'X', 'X', 'X') )

    {

        char *psz_key_alloc;

        const char *psz_key = ID3TextConvert( p_buf, i_buf, &psz_key_alloc );

        if( psz_key )

        {

            const size_t i_len = strlen( psz_key ) + 2;

            if( i_len < i_buf )

            {

                /* Only set those which are known as non binary */

                if( !strncasecmp( psz_key, "REPLAYGAIN_", 11 ) )

                {

                    char *psz_val_alloc;

                    const char *psz_val = ID3TextConv( &p_buf[i_len], i_buf - i_len,

                                                       p_buf[0], &psz_val_alloc );

                    if( psz_val )

                    {

                        vlc_meta_AddExtra( p_meta, psz_key, psz_val );

                        free( psz_val_alloc );

                    }

                }

            }

            free( psz_key_alloc );

            return (vlc_meta_GetExtraCount( p_meta ) > 0);

        }

    }

    else if ( ((const char *) &i_tag)[0] == 'T' )

    {

        for( size_t i=0; i<ARRAY_SIZE(ID3_tag_to_metatype); i++ )

        {

            if( ID3_tag_to_metatype[i].i_tag == i_tag )

                return ID3TextTagHandler( p_buf, i_buf,

                                          ID3_tag_to_metatype[i].type,

                                          ID3_tag_to_metatype[i].psz,

                                          p_meta, pb_updated );

        }

    }

    return false;

}

Unexecuted instantiation: es.c:ID3HandleTag

Unexecuted instantiation: meta.c:ID3HandleTag

#endif