subtitle.c

VLC Player Source Code

            }
            else
            {
                int i_layer = ( p_sys->i_type == SUB_TYPE_ASS ) ? atoi( temp ) : 0;

                /* ReadOrder, Layer, %s(rest of fields) */
                snprintf( temp, sizeof(temp), "%d,%d,", i_idx, i_layer );
                memmove( psz_text + strlen(temp), psz_text, strlen(psz_text)+1 );
                memcpy( psz_text, temp, strlen(temp) );
            }

            p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
                                    (int64_t)m1 * 60*1000 +
                                    (int64_t)s1 * 1000 +
                                    (int64_t)c1 * 10 ) * 1000;
            p_subtitle->i_stop  = ( (int64_t)h2 * 3600*1000 +
                                    (int64_t)m2 * 60*1000 +
                                    (int64_t)s2 * 1000 +
                                    (int64_t)c2 * 10 ) * 1000;
            p_subtitle->psz_text = psz_text;
            return VLC_SUCCESS;
        }
        free( psz_text );

        /* All the other stuff we add to the header field */
        if( !p_sys->psz_header )
            p_sys->psz_header = strdup( "" );
        if( !p_sys->psz_header )
            return VLC_ENOMEM;

        p_sys->psz_header =
            realloc( p_sys->psz_header,
                     strlen( p_sys->psz_header ) + strlen( s ) + 2 );
        strcat( p_sys->psz_header,  s );
        strcat( p_sys->psz_header, "\n" );
    }
}

/* ParseVplayer
 *  Format
 *      h:m:s:Line1|Line2|Line3....
 *  or
 *      h:m:s Line1|Line2|Line3....
 */
static int ParseVplayer( demux_t *p_demux, subtitle_t *p_subtitle,
                          int i_idx )
{
    VLC_UNUSED( i_idx );

    demux_sys_t *p_sys = p_demux->p_sys;
    text_t      *txt = &p_sys->txt;
    char *psz_text;
    int i;

    for( ;; )
    {
        const char *s = TextGetLine( txt );
        int h1, m1, s1;

        if( !s )
            return VLC_EGENERIC;

        psz_text = malloc( strlen( s ) + 1 );
        if( !psz_text )
            return VLC_ENOMEM;

        if( sscanf( s, "%d:%d:%d%*c%[^\r\n]",
                    &h1, &m1, &s1, psz_text ) == 4 )
        {
            p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
                                    (int64_t)m1 * 60*1000 +
                                    (int64_t)s1 * 1000 ) * 1000;
            p_subtitle->i_stop  = 0;
            break;
        }
        free( psz_text );
    }

    /* replace | by \n */
    for( i = 0; psz_text[i] != '\0'; i++ )
    {
        if( psz_text[i] == '|' )
            psz_text[i] = '\n';
    }
    p_subtitle->psz_text = psz_text;
    return VLC_SUCCESS;
}

/* ParseSami
 */
static char *ParseSamiSearch( text_t *txt,
                              char *psz_start, const char *psz_str )
{
    if( psz_start && strcasestr( psz_start, psz_str ) )
    {
        char *s = strcasestr( psz_start, psz_str );
        return &s[strlen( psz_str )];
    }

    for( ;; )
    {
        char *p = TextGetLine( txt );
        if( !p )
            return NULL;

        if( strcasestr( p, psz_str ) )
        {
            char *s = strcasestr( p, psz_str );
            return &s[strlen( psz_str )];
        }
    }
}
static int  ParseSami( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
{
    VLC_UNUSED( i_idx );
    demux_sys_t *p_sys = p_demux->p_sys;
    text_t      *txt = &p_sys->txt;

    char *s;
    int64_t i_start;

    unsigned int i_text;
    char text[8192]; /* Arbitrary but should be long enough */

    /* search "Start=" */
    if( !( s = ParseSamiSearch( txt, NULL, "Start=" ) ) )
        return VLC_EGENERIC;

    /* get start value */
    i_start = strtol( s, &s, 0 );

    /* search <P */
    if( !( s = ParseSamiSearch( txt, s, "<P" ) ) )
        return VLC_EGENERIC;

    /* search > */
    if( !( s = ParseSamiSearch( txt, s, ">" ) ) )
        return VLC_EGENERIC;

    i_text = 0;
    text[0] = '\0';
    /* now get all txt until  a "Start=" line */
    for( ;; )
    {
        char c = '\0';
        /* Search non empty line */
        while( s && *s == '\0' )
            s = TextGetLine( txt );
        if( !s )
            break;

        if( *s == '<' )
        {
            if( !strncasecmp( s, "<br", 3 ) )
            {
                c = '\n';
            }
            else if( strcasestr( s, "Start=" ) )
            {
                TextPreviousLine( txt );
                break;
            }
            s = ParseSamiSearch( txt, s, ">" );
        }
        else if( !strncmp( s, "&nbsp;", 6 ) )
        {
            c = ' ';
            s += 6;
        }
        else if( *s == '\t' )
        {
            c = ' ';
            s++;
        }
        else
        {
            c = *s;
            s++;
        }
        if( c != '\0' && i_text+1 < sizeof(text) )
        {
            text[i_text++] = c;
            text[i_text] = '\0';
        }
    }

    p_subtitle->i_start = i_start * 1000;
    p_subtitle->i_stop  = 0;
    p_subtitle->psz_text = strdup( text );

    return VLC_SUCCESS;
}

/* ParseDVDSubtitle
 *  Format
 *      {T h1:m1:s1:c1
 *      Line1
 *      Line2
 *      ...
 *      }
 * TODO it can have a header
 *      { HEAD
 *          ...
 *          CODEPAGE=...
 *          FORMAT=...
 *          LANG=English
 *      }
 *      LANG support would be cool
 *      CODEPAGE is probably mandatory FIXME
 */
static int ParseDVDSubtitle( demux_t *p_demux, subtitle_t *p_subtitle,
                             int i_idx )
{
    VLC_UNUSED( i_idx );

    demux_sys_t *p_sys = p_demux->p_sys;
    text_t      *txt = &p_sys->txt;
    char *psz_text;

    for( ;; )
    {
        const char *s = TextGetLine( txt );
        int h1, m1, s1, c1;

        if( !s )
            return VLC_EGENERIC;

        if( sscanf( s,
                    "{T %d:%d:%d:%d",
                    &h1, &m1, &s1, &c1 ) == 4 )
        {
            p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
                                    (int64_t)m1 * 60*1000 +
                                    (int64_t)s1 * 1000 +
                                    (int64_t)c1 * 10) * 1000;
            p_subtitle->i_stop = 0;
            break;
        }
    }

    /* Now read text until a line containing "}" */
    psz_text = strdup("");
    if( !psz_text )
        return VLC_ENOMEM;
    for( ;; )
    {
        const char *s = TextGetLine( txt );
        int i_len;
        int i_old;

        if( !s )
        {
            free( psz_text );
            return VLC_EGENERIC;
        }

        i_len = strlen( s );
        if( i_len == 1 && s[0] == '}')
        {
            p_subtitle->psz_text = psz_text;
            return VLC_SUCCESS;
        }

        i_old = strlen( psz_text );
        psz_text = realloc( psz_text, i_old + i_len + 1 + 1 );
        if( !psz_text )
            return VLC_ENOMEM;
        strcat( psz_text, s );
        strcat( psz_text, "\n" );
    }
}

/* ParseMPL2
 *  Format
 *     [n1][n2]Line1|Line2|Line3...
 *  where n1 and n2 are the video frame number (n2 can be empty)
 */
static int ParseMPL2( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
{
    VLC_UNUSED( i_idx );

    demux_sys_t *p_sys = p_demux->p_sys;
    text_t      *txt = &p_sys->txt;
    char *psz_text;
    int i;

    for( ;; )
    {
        const char *s = TextGetLine( txt );
        int i_start;
        int i_stop;

        if( !s )
            return VLC_EGENERIC;

        psz_text = malloc( strlen(s) + 1 );
        if( !psz_text )
            return VLC_ENOMEM;

        i_start = 0;
        i_stop  = 0;
        if( sscanf( s, "[%d][] %[^\r\n]", &i_start, psz_text ) == 2 ||
            sscanf( s, "[%d][%d] %[^\r\n]", &i_start, &i_stop, psz_text ) == 3)
        {
            p_subtitle->i_start = (int64_t)i_start * 100000;
            p_subtitle->i_stop  = (int64_t)i_stop  * 100000;
            break;
        }
        free( psz_text );
    }

    for( i = 0; psz_text[i] != '\0'; )
    {
        /* replace | by \n */
        if( psz_text[i] == '|' )
            psz_text[i] = '\n';

        /* Remove italic */
        if( psz_text[i] == '/' && ( i == 0 || psz_text[i-1] == '\n' ) )
            memmove( &psz_text[i], &psz_text[i+1], strlen(&psz_text[i+1])+1 );
        else
            i++;
    }
    p_subtitle->psz_text = psz_text;
    return VLC_SUCCESS;
}

static int ParseAQT( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
{
    VLC_UNUSED( i_idx );

    demux_sys_t *p_sys = p_demux->p_sys;
    text_t      *txt = &p_sys->txt;
    char *psz_text = strdup( "" );
    int i_old = 0;
    int i_firstline = 1;

    for( ;; )
    {
        int t; /* Time */

        const char *s = TextGetLine( txt );

        if( !s )
            return VLC_EGENERIC;

        /* Data Lines */
        if( sscanf (s, "-->> %d", &t) == 1)
        {
            p_subtitle->i_start = (int64_t)t; /* * FPS*/
            p_subtitle->i_stop  = 0;

            /* Starting of a subtitle */
            if( i_firstline )
            {
                i_firstline = 0;
            }
            /* We have been too far: end of the subtitle, begin of next */
            else
            {
                TextPreviousLine( txt );
                break;
            }
        }
        /* Text Lines */
        else
        {
            i_old = strlen( psz_text ) + 1;
            psz_text = realloc( psz_text, i_old + strlen( s ) + 1 );
            if( !psz_text )
                 return VLC_ENOMEM;
            strcat( psz_text, s );
            strcat( psz_text, "\n" );
            if( txt->i_line == txt->i_line_count )
                break;
        }
    }
    p_subtitle->psz_text = psz_text;
    return VLC_SUCCESS;
}

static int ParsePJS( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
{
    VLC_UNUSED( i_idx );

    demux_sys_t *p_sys = p_demux->p_sys;
    text_t      *txt = &p_sys->txt;
    char *psz_text;
    int i;

    for( ;; )
    {
        const char *s = TextGetLine( txt );
        int t1, t2;

        if( !s )
            return VLC_EGENERIC;

        psz_text = malloc( strlen(s) + 1 );
        if( !psz_text )
            return VLC_ENOMEM;

        /* Data Lines */
        if( sscanf (s, "%d,%d,\"%[^\n\r]", &t1, &t2, psz_text ) == 3 )
        {
            /* 1/10th of second ? Frame based ? FIXME */
            p_subtitle->i_start = 10 * t1;
            p_subtitle->i_stop = 10 * t2;
            /* Remove latest " */
            psz_text[ strlen(psz_text) - 1 ] = '\0';

            break;
        }
        free( psz_text );
    }

    /* replace | by \n */
    for( i = 0; psz_text[i] != '\0'; i++ )
    {
        if( psz_text[i] == '|' )
            psz_text[i] = '\n';
    }

    p_subtitle->psz_text = psz_text;
    msg_Dbg( p_demux, "%s", psz_text );
    return VLC_SUCCESS;
}

static int ParseMPSub( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
{
    VLC_UNUSED( i_idx );

    demux_sys_t *p_sys = p_demux->p_sys;
    text_t      *txt = &p_sys->txt;
    char *psz_text = strdup( "" );

    if( !p_sys->mpsub.b_inited )
    {
        p_sys->mpsub.f_total = 0.0;
        p_sys->mpsub.f_factor = 0.0;

        p_sys->mpsub.b_inited = true;
    }

    for( ;; )
    {
        float f1, f2;
        char p_dummy;
        char *psz_temp;

        const char *s = TextGetLine( txt );
        if( !s )
            return VLC_EGENERIC;

        if( strstr( s, "FORMAT" ) )
        {
            if( sscanf (s, "FORMAT=TIM%c", &p_dummy ) == 1 && p_dummy == 'E')
            {
                p_sys->mpsub.f_factor = 100.0;
                break;
            }

            psz_temp = malloc( strlen(s) );
            if( !psz_temp )
                return VLC_ENOMEM;

            if( sscanf( s, "FORMAT=%[^\r\n]", psz_temp ) )
            {
                float f_fps;
                f_fps = us_strtod( psz_temp, NULL );
                if( f_fps > 0.0 && var_GetFloat( p_demux, "sub-fps" ) <= 0.0 )
                    var_SetFloat( p_demux, "sub-fps", f_fps );

                p_sys->mpsub.f_factor = 1.0;
                free( psz_temp );
                break;
            }
            free( psz_temp );
        }
        /* Data Lines */
        f1 = us_strtod( s, &psz_temp );
        if( *psz_temp )
        {
            f2 = us_strtod( psz_temp, NULL );
            p_sys->mpsub.f_total += f1 * p_sys->mpsub.f_factor;
            p_subtitle->i_start = (int64_t)(10000.0 * p_sys->mpsub.f_total);
            p_sys->mpsub.f_total += f2 * p_sys->mpsub.f_factor;
            p_subtitle->i_stop = (int64_t)(10000.0 * p_sys->mpsub.f_total);
            break;
        }
    }

    for( ;; )
    {
        const char *s = TextGetLine( txt );

        if( !s )
            return VLC_EGENERIC;

        int i_len = strlen( s );
        if( i_len == 0 )
            break;

        int i_old = strlen( psz_text );

        psz_text = realloc( psz_text, i_old + i_len + 1 + 1 );
        if( !psz_text )
             return VLC_ENOMEM;