<commit_before>/*****************************************************************************
 * xiph_metadata.h: Vorbis Comment parser
 *****************************************************************************
 * Copyright © 2008-2013 VLC authors and VideoLAN
 * $Id$
 *
 * Authors: <NAME> <fenrir _AT_ videolan _DOT_ org>
 *          <NAME> <<EMAIL>>
 *
 * 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.
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <vlc_common.h>
#include <vlc_charset.h>
#include <vlc_strings.h>
#include <vlc_input.h>
#include "xiph_metadata.h"

input_attachment_t* ParseFlacPicture( const uint8_t *p_data, int i_data,
    int i_attachments, int *i_cover_score, int *i_cover_idx )
{
    /* TODO: Merge with ID3v2 copy in modules/meta_engine/taglib.cpp. */
    static const char pi_cover_score[] = {
        0,  /* Other */
        5,  /* 32x32 PNG image that should be used as the file icon */
        4,  /* File icon of a different size or format. */
        20, /* Front cover image of the album. */
        19, /* Back cover image of the album. */
        13, /* Inside leaflet page of the album. */
        18, /* Image from the album itself. */
        17, /* Picture of the lead artist or soloist. */
        16, /* Picture of the artist or performer. */
        14, /* Picture of the conductor. */
        15, /* Picture of the band or orchestra. */
        9,  /* Picture of the composer. */
        8,  /* Picture of the lyricist or text writer. */
        7,  /* Picture of the recording location or studio. */
        10, /* Picture of the artists during recording. */
        11, /* Picture of the artists during performance. */
        6,  /* Picture from a movie or video related to the track. */
        1,  /* Picture of a large, coloured fish. */
        12, /* Illustration related to the track. */
        3,  /* Logo of the band or performer. */
        2   /* Logo of the publisher (record company). */
    };

    int i_len;
    int i_type;
    char *psz_mime = NULL;
    char psz_name[128];
    char *psz_description = NULL;
    input_attachment_t *p_attachment = NULL;

    if( i_data < 4 + 3*4 )
        return NULL;
#define RM(x) do { i_data -= (x); p_data += (x); } while(0)

    i_type = GetDWBE( p_data ); RM(4);
    i_len = GetDWBE( p_data ); RM(4);

    if( i_len < 0 || i_data < i_len + 4 )
        goto error;
    psz_mime = strndup( (const char*)p_data, i_len ); RM(i_len);
    i_len = GetDWBE( p_data ); RM(4);
    if( i_len < 0 || i_data < i_len + 4*4 + 4)
        goto error;
    psz_description = strndup( (const char*)p_data, i_len ); RM(i_len);
    EnsureUTF8( psz_description );
    RM(4*4);
    i_len = GetDWBE( p_data ); RM(4);
    if( i_len < 0 || i_len > i_data )
        goto error;

    /* printf( "Picture type=%d mime=%s description='%s' file length=%d\n",
             i_type, psz_mime, psz_description, i_len ); */

    snprintf( psz_name, sizeof(psz_name), "picture%d", i_attachments );
    if( !strcasecmp( psz_mime, "image/jpeg" ) )
        strcat( psz_name, ".jpg" );
    else if( !strcasecmp( psz_mime, "image/png" ) )
        strcat( psz_name, ".png" );

    p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
            psz_description, p_data, i_data );

    if( i_type >= 0 && (unsigned int)i_type < sizeof(pi_cover_score)/sizeof(pi_cover_score[0]) &&
        *i_cover_score < pi_cover_score[i_type] )
    {
        *i_cover_idx = i_attachments;
        *i_cover_score = pi_cover_score[i_type];
    }

error:
    free( psz_mime );
    free( psz_description );
    return p_attachment;
}

typedef struct chapters_array_t
{
    unsigned int i_size;
    seekpoint_t ** pp_chapters;
} chapters_array_t;

static seekpoint_t * getChapterEntry( unsigned int i_index, chapters_array_t *p_array )
{
    if ( i_index >= p_array->i_size )
    {
        unsigned int i_newsize = p_array->i_size;
        while( i_index >= i_newsize ) i_newsize += 50;

        if ( !p_array->pp_chapters )
        {
            p_array->pp_chapters = calloc( i_newsize, sizeof( seekpoint_t * ) );
            if ( !p_array->pp_chapters ) return NULL;
            p_array->i_size = i_newsize;
        } else {
            seekpoint_t **tmp = calloc( i_newsize, sizeof( seekpoint_t * ) );
            if ( !tmp ) return NULL;
            memcpy( tmp, p_array->pp_chapters, p_array->i_size * sizeof( seekpoint_t * ) );
            free( p_array->pp_chapters );
            p_array->pp_chapters = tmp;
            p_array->i_size = i_newsize;
        }
    }
    if ( !p_array->pp_chapters[i_index] )
        p_array->pp_chapters[i_index] = vlc_seekpoint_New();
    return p_array->pp_chapters[i_index];
}

void vorbis_ParseComment( vlc_meta_t **pp_meta,
        const uint8_t *p_data, int i_data,
        int *i_attachments, input_attachment_t ***attachments,
        int *i_cover_score, int *i_cover_idx,
        int *i_seekpoint, seekpoint_t ***ppp_seekpoint,
        float (* ppf_replay_gain)[AUDIO_REPLAY_GAIN_MAX],<commit_msg>xiph: set limit to chapters.<commit_after>/*****************************************************************************
 * xiph_metadata.h: Vorbis Comment parser
 *****************************************************************************
 * Copyright © 2008-2013 VLC authors and VideoLAN
 * $Id$
 *
 * Authors: <NAME> <fenrir _AT_ videolan _DOT_ org>
 *          <NAME> <<EMAIL>>
 *
 * 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.
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <vlc_common.h>
#include <vlc_charset.h>
#include <vlc_strings.h>
#include <vlc_input.h>
#include "xiph_metadata.h"

input_attachment_t* ParseFlacPicture( const uint8_t *p_data, int i_data,
    int i_attachments, int *i_cover_score, int *i_cover_idx )
{
    /* TODO: Merge with ID3v2 copy in modules/meta_engine/taglib.cpp. */
    static const char pi_cover_score[] = {
        0,  /* Other */
        5,  /* 32x32 PNG image that should be used as the file icon */
        4,  /* File icon of a different size or format. */
        20, /* Front cover image of the album. */
        19, /* Back cover image of the album. */
        13, /* Inside leaflet page of the album. */
        18, /* Image from the album itself. */
        17, /* Picture of the lead artist or soloist. */
        16, /* Picture of the artist or performer. */
        14, /* Picture of the conductor. */
        15, /* Picture of the band or orchestra. */
        9,  /* Picture of the composer. */
        8,  /* Picture of the lyricist or text writer. */
        7,  /* Picture of the recording location or studio. */
        10, /* Picture of the artists during recording. */
        11, /* Picture of the artists during performance. */
        6,  /* Picture from a movie or video related to the track. */
        1,  /* Picture of a large, coloured fish. */
        12, /* Illustration related to the track. */
        3,  /* Logo of the band or performer. */
        2   /* Logo of the publisher (record company). */
    };

    int i_len;
    int i_type;
    char *psz_mime = NULL;
    char psz_name[128];
    char *psz_description = NULL;
    input_attachment_t *p_attachment = NULL;

    if( i_data < 4 + 3*4 )
        return NULL;
#define RM(x) do { i_data -= (x); p_data += (x); } while(0)

    i_type = GetDWBE( p_data ); RM(4);
    i_len = GetDWBE( p_data ); RM(4);

    if( i_len < 0 || i_data < i_len + 4 )
        goto error;
    psz_mime = strndup( (const char*)p_data, i_len ); RM(i_len);
    i_len = GetDWBE( p_data ); RM(4);
    if( i_len < 0 || i_data < i_len + 4*4 + 4)
        goto error;
    psz_description = strndup( (const char*)p_data, i_len ); RM(i_len);
    EnsureUTF8( psz_description );
    RM(4*4);
    i_len = GetDWBE( p_data ); RM(4);
    if( i_len < 0 || i_len > i_data )
        goto error;

    /* printf( "Picture type=%d mime=%s description='%s' file length=%d\n",
             i_type, psz_mime, psz_description, i_len ); */

    snprintf( psz_name, sizeof(psz_name), "picture%d", i_attachments );
    if( !strcasecmp( psz_mime, "image/jpeg" ) )
        strcat( psz_name, ".jpg" );
    else if( !strcasecmp( psz_mime, "image/png" ) )
        strcat( psz_name, ".png" );

    p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
            psz_description, p_data, i_data );

    if( i_type >= 0 && (unsigned int)i_type < sizeof(pi_cover_score)/sizeof(pi_cover_score[0]) &&
        *i_cover_score < pi_cover_score[i_type] )
    {
        *i_cover_idx = i_attachments;
        *i_cover_score = pi_cover_score[i_type];
    }

error:
    free( psz_mime );
    free( psz_description );
    return p_attachment;
}

typedef struct chapters_array_t
{
    unsigned int i_size;
    seekpoint_t ** pp_chapters;
} chapters_array_t;

static seekpoint_t * getChapterEntry( unsigned int i_index, chapters_array_t *p_array )
{
    if ( i_index > 4096 ) return NULL;
    if ( i_index >= p_array->i_size )
    {
        unsigned int i_newsize = p_array->i_size;
        while( i_index >= i_newsize ) i_newsize += 50;

        if ( !p_array->pp_chapters )
        {
            p_array->pp_chapters = calloc( i_newsize, sizeof( seekpoint_t * ) );
            if ( !p_array->pp_chapters ) return NULL;
            p_array->i_size = i_newsize;
        } else {
            seekpoint_t **tmp = calloc( i_newsize, sizeof( seekpoint_t * ) );
            if ( !tmp ) return NULL;
            memcpy( tmp, p_array->pp_chapters, p_array->i_size * sizeof( seekpoint_t * ) );
            free( p_array->pp_chapters );
            p_array->pp_chapters = tmp;
            p_array->i_size = i_newsize;
        }
    }
    if ( !p_array->pp_chapters[i_index] )
        p_array->pp_chapters[i_index] = vlc_seekpoint_New();
    return p_array->pp_chapters[i_index];
}

void vorbis_ParseComment( vlc_meta_t **pp_meta,
        const uint8_t *p_data, int i_data,
        int *i_attachments, input_attachment_t ***attachments,
        int *i_cover_score, int *i_cover_idx,
        int *i_seekpoint, seekpoint_t ***ppp_seekpoint,
        float (* ppf_replay_gain)[AUDIO_REPLAY_GAIN_MAX],
{'fraction_non_alphanumeric': 0.14844153607714827, 'fraction_numerical': 0.015154124332701911, 'mean_word_length': 2.7588996763754046, 'pattern_counts': {'":': 0, '<': 37, '<?xml version=': 0, '>': 58, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '640560', 'n_tokens_mistral': 3934, 'n_tokens_neox': 3752, 'n_words': 1132}