static subpicture_region_t *CreateTextRegion( decoder_t *p_dec,
                                              char *psz_subtitle,
                                              int i_len,
                                              int i_sys_align )
{
    decoder_sys_t        *p_sys = p_dec->p_sys;
    subpicture_region_t  *p_text_region;
    video_format_t        fmt;

    /* Create a new subpicture region */
    memset( &fmt, 0, sizeof(video_format_t) );
    fmt.i_chroma = VLC_CODEC_TEXT;
    fmt.i_width = fmt.i_height = 0;
    fmt.i_x_offset = fmt.i_y_offset = 0;
    p_text_region = subpicture_region_New( &fmt );

    if( p_text_region != NULL )
    {
        ssa_style_t  *p_ssa_style = NULL;

        p_text_region->psz_text = NULL;
        p_text_region->psz_html = strndup( psz_subtitle, i_len );
        if( ! p_text_region->psz_html )
        {
            subpicture_region_Delete( p_text_region );
            return NULL;
        }

        p_ssa_style = ParseStyle( p_sys, p_text_region->psz_html );
        if( !p_ssa_style )
        {
            int i;

            for( i = 0; i < p_sys->i_ssa_styles; i++ )
            {
                if( !strcasecmp( p_sys->pp_ssa_styles[i]->psz_stylename, "Default" ) )
                    p_ssa_style = p_sys->pp_ssa_styles[i];
            }
        }

        if( p_ssa_style )
        {
            msg_Dbg( p_dec, "style is: %s", p_ssa_style->psz_stylename );

            p_text_region->p_style = text_style_Duplicate( &p_ssa_style->font_style );
            p_text_region->i_align = p_ssa_style->i_align;

            /* TODO: Setup % based offsets properly, without adversely affecting
             *       everything else in vlc. Will address with separate patch,
             *       to prevent this one being any more complicated.

                     * p_ssa_style->i_margin_percent_h;
                     * p_ssa_style->i_margin_percent_v;
             */
            p_text_region->i_x         = p_ssa_style->i_margin_h;
            p_text_region->i_y         = p_ssa_style->i_margin_v;

        }
        else
        {
            p_text_region->i_align = SUBPICTURE_ALIGN_BOTTOM | i_sys_align;
            p_text_region->i_x = i_sys_align ? 20 : 0;
            p_text_region->i_y = 10;
        }
        /* Look for position arguments which may override the style-based
         * defaults.
         */
        SetupPositions( p_text_region, psz_subtitle );

        p_text_region->p_next = NULL;
    }
    return p_text_region;
}
示例#2
0
文件: subsusf.c 项目: mstorsjo/vlc
static subpicture_region_t *CreateTextRegion( decoder_t *p_dec,
                                              char *psz_subtitle,
                                              int i_sys_align )
{
    decoder_sys_t        *p_sys = p_dec->p_sys;
    subpicture_region_t  *p_text_region;
    video_format_t        fmt;

    /* Create a new subpicture region */
    video_format_Init( &fmt, VLC_CODEC_TEXT );
    fmt.i_width = fmt.i_height = 0;
    fmt.i_x_offset = fmt.i_y_offset = 0;
    p_text_region = subpicture_region_New( &fmt );
    video_format_Clean( &fmt );

    if( p_text_region != NULL )
    {
        ssa_style_t  *p_ssa_style = NULL;

        p_ssa_style = ParseStyle( p_sys, psz_subtitle );
        if( !p_ssa_style )
        {
            for( int i = 0; i < p_sys->i_ssa_styles; i++ )
            {
                if( !strcasecmp( p_sys->pp_ssa_styles[i]->psz_stylename, "Default" ) )
                    p_ssa_style = p_sys->pp_ssa_styles[i];
            }
        }

        /* Set default or user align/magin.
         * Style overriden if no user value. */
        p_text_region->i_x = i_sys_align > 0 ? 20 : 0;
        p_text_region->i_y = 10;
        p_text_region->i_align = SUBPICTURE_ALIGN_BOTTOM |
                                 ((i_sys_align > 0) ? i_sys_align : 0);

        if( p_ssa_style )
        {
            msg_Dbg( p_dec, "style is: %s", p_ssa_style->psz_stylename );

            /* TODO: Setup % based offsets properly, without adversely affecting
             *       everything else in vlc. Will address with separate patch,
             *       to prevent this one being any more complicated.

                     * p_ssa_style->i_margin_percent_h;
                     * p_ssa_style->i_margin_percent_v;
             */
            if( i_sys_align == -1 )
            {
                p_text_region->i_align     = p_ssa_style->i_align;
                p_text_region->i_x         = p_ssa_style->i_margin_h;
                p_text_region->i_y         = p_ssa_style->i_margin_v;
            }
            p_text_region->p_text = text_segment_NewInheritStyle( p_ssa_style->p_style );
        }
        else
        {
            p_text_region->p_text = text_segment_New( NULL );
        }
        /* Look for position arguments which may override the style-based
         * defaults.
         */
        SetupPositions( p_text_region, psz_subtitle );

        p_text_region->p_next = NULL;
    }
    return p_text_region;
}