示例#1
0
文件: subpicture.c 项目: CityFire/vlc
void subpicture_Update( subpicture_t *p_subpicture,
                        const video_format_t *p_fmt_src,
                        const video_format_t *p_fmt_dst,
                        mtime_t i_ts )
{
    subpicture_updater_t *p_upd = &p_subpicture->updater;
    subpicture_private_t *p_private = p_subpicture->p_private;

    if( !p_upd->pf_validate )
        return;
    if( !p_upd->pf_validate( p_subpicture,
                          !video_format_IsSimilar( p_fmt_src,
                                                   &p_private->src ), p_fmt_src,
                          !video_format_IsSimilar( p_fmt_dst,
                                                   &p_private->dst ), p_fmt_dst,
                          i_ts ) )
        return;

    subpicture_region_ChainDelete( p_subpicture->p_region );
    p_subpicture->p_region = NULL;

    p_upd->pf_update( p_subpicture, p_fmt_src, p_fmt_dst, i_ts );

    video_format_Clean( &p_private->src );
    video_format_Clean( &p_private->dst );

    video_format_Copy( &p_private->src, p_fmt_src );
    video_format_Copy( &p_private->dst, p_fmt_dst );
}
示例#2
0
文件: splitter.c 项目: mstorsjo/vlc
static void vlc_vidsplit_Close(vout_display_t *vd)
{
    vout_display_sys_t *sys = vd->sys;
    int n = sys->splitter.i_output;

    for (int i = 0; i < n; i++) {
        struct vlc_vidsplit_part *part = &sys->parts[i];
        vout_display_t *display;

        vlc_sem_wait(&part->lock);
        display = part->display;
        part->display = NULL;
        vlc_sem_post(&part->lock);

        if (display != NULL)
            vout_display_Delete(display);

        vout_window_Disable(part->window);
        vout_window_Delete(part->window);
        vlc_sem_destroy(&part->lock);
    }

    module_unneed(&sys->splitter, sys->splitter.p_module);
    video_format_Clean(&sys->splitter.fmt);
    vlc_mutex_destroy(&sys->lock);
    vlc_object_release(&sys->splitter);
}
示例#3
0
文件: blendbench.c 项目: videolan/vlc
static int blendbench_LoadImage( vlc_object_t *p_this, picture_t **pp_pic,
                                 vlc_fourcc_t i_chroma, char *psz_file, const char *psz_name )
{
    image_handler_t *p_image;
    video_format_t fmt_out;

    video_format_Init( &fmt_out, i_chroma );

    p_image = image_HandlerCreate( p_this );
    *pp_pic = image_ReadUrl( p_image, psz_file, &fmt_out );
    video_format_Clean( &fmt_out );
    image_HandlerDelete( p_image );

    if( *pp_pic == NULL )
    {
        msg_Err( p_this, "Unable to load %s image", psz_name );
        return VLC_EGENERIC;
    }

    msg_Dbg( p_this, "%s image has dim %d x %d (Y plane)", psz_name,
             (*pp_pic)->p[Y_PLANE].i_visible_pitch,
             (*pp_pic)->p[Y_PLANE].i_visible_lines );

    return VLC_SUCCESS;
}
示例#4
0
文件: subpicture.c 项目: 0xheart0/vlc
void subpicture_region_private_Delete( subpicture_region_private_t *p_private )
{
    if( p_private->p_picture )
        picture_Release( p_private->p_picture );
    video_format_Clean( &p_private->fmt );
    free( p_private );
}
示例#5
0
文件: subpicture.c 项目: CityFire/vlc
void subpicture_Delete( subpicture_t *p_subpic )
{
    subpicture_region_ChainDelete( p_subpic->p_region );
    p_subpic->p_region = NULL;

    if( p_subpic->updater.pf_destroy )
        p_subpic->updater.pf_destroy( p_subpic );

    if( p_subpic->p_private )
    {
        video_format_Clean( &p_subpic->p_private->src );
        video_format_Clean( &p_subpic->p_private->dst );
    }

    free( p_subpic->p_private );
    free( p_subpic );
}
示例#6
0
文件: filter.c 项目: videolan/vlc
void video_splitter_Delete( video_splitter_t *p_splitter )
{
    if( p_splitter->p_module )
        module_unneed( p_splitter, p_splitter->p_module );

    video_format_Clean( &p_splitter->fmt );
    vlc_object_delete(p_splitter);
}
示例#7
0
文件: alphamask.c 项目: IAPark/vlc
/* copied from video_filters/erase.c . Gruik ? */
static void LoadMask( filter_t *p_filter, const char *psz_filename )
{
    image_handler_t *p_image;
    video_format_t fmt_in, fmt_out;
    video_format_Init( &fmt_in, 0 );
    video_format_Init( &fmt_out, VLC_CODEC_YUVA );
    if( p_filter->p_sys->p_mask )
        picture_Release( p_filter->p_sys->p_mask );
    p_image = image_HandlerCreate( p_filter );
    char *psz_url = vlc_path2uri( psz_filename, NULL );
    p_filter->p_sys->p_mask =
        image_ReadUrl( p_image, psz_url, &fmt_in, &fmt_out );
    free( psz_url );
    video_format_Clean( &fmt_in );
    video_format_Clean( &fmt_out );
    image_HandlerDelete( p_image );
}
示例#8
0
文件: clone.c 项目: FLYKingdom/vlc
/**
 * This function closes a clone video splitter module
 */
static void Close( vlc_object_t *p_this )
{
    video_splitter_t *p_splitter = (video_splitter_t*)p_this;

    for( int i = 0; i < p_splitter->i_output; i++ )
    {
        video_splitter_output_t *p_cfg = &p_splitter->p_output[i];

        free( p_cfg->psz_module );
        video_format_Clean( &p_cfg->fmt );
    }
    free( p_splitter->p_output );
}
示例#9
0
文件: stl.c 项目: Janak-Nirmal/vlc
static subpicture_t *Decode(decoder_t *dec, block_t **block)
{
    if (block == NULL || *block == NULL)
        return NULL;

    subpicture_t *sub = NULL;

    block_t *b = *block; *block = NULL;
    if (b->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED))
        goto exit;
    if (b->i_buffer < 128)
        goto exit;

    int     payload_size = (b->i_buffer / 128) * 112;
    uint8_t *payload = malloc(payload_size);
    if (!payload)
        goto exit;
    for (unsigned i = 0; i < b->i_buffer / 128; i++)
        memcpy(&payload[112 * i], &b->p_buffer[128 * i + 16], 112);

    sub = decoder_NewSubpicture(dec, NULL);
    if (!sub) {
        free(payload);
        goto exit;
    }
    sub->i_start    = b->i_pts;
    sub->i_stop     = b->i_pts + b->i_length;
    sub->b_ephemer  = b->i_length == 0;
    sub->b_absolute = false;
    //sub->i_original_picture_width  = 0;
    //sub->i_original_picture_height = 0;

    video_format_t fmt;
    video_format_Init(&fmt, VLC_CODEC_TEXT);
    sub->p_region = subpicture_region_New(&fmt);
    video_format_Clean(&fmt);

    if (sub->p_region) {
        sub->p_region->psz_text = ParseText(payload,
                                            payload_size,
                                            cct_nums[dec->p_sys->cct - CCT_BEGIN].str);
        sub->p_region->i_align = SUBPICTURE_ALIGN_BOTTOM;
        sub->p_region->psz_html = NULL;
    }

    free(payload);

exit:
    block_Release(b);
    return sub;
}
示例#10
0
文件: subpicture.c 项目: 0xheart0/vlc
void subpicture_region_Delete( subpicture_region_t *p_region )
{
    if( !p_region )
        return;

    if( p_region->p_private )
        subpicture_region_private_Delete( p_region->p_private );

    if( p_region->p_picture )
        picture_Release( p_region->p_picture );

    text_segment_ChainDelete( p_region->p_text );
    video_format_Clean( &p_region->fmt );
    free( p_region );
}
示例#11
0
文件: image.c 项目: jomanmuk/vlc-2.2
static block_t *Decode(demux_t *demux,
                       video_format_t *fmt, vlc_fourcc_t chroma, block_t *data)
{
    image_handler_t *handler = image_HandlerCreate(demux);
    if (!handler) {
        block_Release(data);
        return NULL;
    }

    video_format_t decoded;
    video_format_Init(&decoded, chroma);

    picture_t *image = image_Read(handler, data, fmt, &decoded);
    image_HandlerDelete(handler);

    if (!image)
        return NULL;

    video_format_Clean(fmt);
    *fmt = decoded;

    size_t size = 0;
    for (int i = 0; i < image->i_planes; i++)
        size += image->p[i].i_pitch * image->p[i].i_lines;

    data = block_Alloc(size);
    if (!data) {
        picture_Release(image);
        return NULL;
    }

    size_t offset = 0;
    for (int i = 0; i < image->i_planes; i++) {
        const plane_t *src = &image->p[i];
        for (int y = 0; y < src->i_visible_lines; y++) {
            memcpy(&data->p_buffer[offset],
                   &src->p_pixels[y * src->i_pitch],
                   src->i_visible_pitch);
            offset += src->i_visible_pitch;
        }
    }

    picture_Release(image);
    return data;
}
示例#12
0
文件: subpicture.c 项目: 0xheart0/vlc
subpicture_region_t *subpicture_region_New( const video_format_t *p_fmt )
{
    subpicture_region_t *p_region = calloc( 1, sizeof(*p_region ) );
    if( !p_region )
        return NULL;

    if ( p_fmt->i_chroma == VLC_CODEC_YUVP )
    {
        video_format_Copy( &p_region->fmt, p_fmt );
        /* YUVP should have a palette */
        if( p_region->fmt.p_palette == NULL )
        {
            p_region->fmt.p_palette = calloc( 1, sizeof(*p_region->fmt.p_palette) );
            if( p_region->fmt.p_palette == NULL )
            {
                free( p_region );
                return NULL;
            }
        }
    }
    else
    {
        p_region->fmt = *p_fmt;
        p_region->fmt.p_palette = NULL;
    }

    p_region->i_alpha = 0xff;

    if( p_fmt->i_chroma == VLC_CODEC_TEXT )
        return p_region;

    p_region->p_picture = picture_NewFromFormat( p_fmt );
    if( !p_region->p_picture )
    {
        video_format_Clean( &p_region->fmt );
        free( p_region );
        return NULL;
    }

    return p_region;
}
示例#13
0
文件: directx.c 项目: Kubink/vlc
/** This function allocates and initialize the DirectX vout display.
 */
static int Open(vlc_object_t *object)
{
    vout_display_t *vd = (vout_display_t *)object;
    vout_display_sys_t *sys;

    /* Allocate structure */
    vd->sys = sys = calloc(1, sizeof(*sys));
    if (!sys)
        return VLC_ENOMEM;

    /* Load direct draw DLL */
    sys->hddraw_dll = LoadLibrary(_T("DDRAW.DLL"));
    if (!sys->hddraw_dll) {
        msg_Warn(vd, "DirectXInitDDraw failed loading ddraw.dll");
        free(sys);
        return VLC_EGENERIC;
    }

    /* */
    sys->use_wallpaper = var_CreateGetBool(vd, "video-wallpaper");
    /* FIXME */
    sys->use_overlay = false;//var_CreateGetBool(vd, "overlay"); /* FIXME */
    sys->restore_overlay = false;
    var_Create(vd, "directx-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT);

    /* Initialisation */
    if (CommonInit(vd))
        goto error;

    /* */
    video_format_t fmt = vd->fmt;

    if (DirectXOpen(vd, &fmt))
        goto error;

    /* */
    vout_display_info_t info = vd->info;
    info.is_slow = true;
    info.has_double_click = true;
    info.has_hide_mouse = false;
    info.has_pictures_invalid = true;
    info.has_event_thread = true;

    /* Interaction TODO support starting with wallpaper mode */
    vlc_mutex_init(&sys->lock);
    sys->ch_wallpaper = sys->use_wallpaper;
    sys->wallpaper_requested = sys->use_wallpaper;
    sys->use_wallpaper = false;

    vlc_value_t val;
    val.psz_string = _("Wallpaper");
    var_Change(vd, "video-wallpaper", VLC_VAR_SETTEXT, &val, NULL);
    var_AddCallback(vd, "video-wallpaper", WallpaperCallback, NULL);

    /* Setup vout_display now that everything is fine */
    video_format_Clean(&vd->fmt);
    video_format_Copy(&vd->fmt, &fmt);
    vd->info    = info;

    vd->pool    = Pool;
    vd->prepare = NULL;
    vd->display = Display;
    vd->control = Control;
    vd->manage  = Manage;
    return VLC_SUCCESS;

error:
    DirectXClose(vd);
    CommonClean(vd);
    if (sys->hddraw_dll)
        FreeLibrary(sys->hddraw_dll);
    free(sys);
    return VLC_EGENERIC;
}
示例#14
0
文件: image.c 项目: tguillem/vlc
static picture_t *ImageRead( image_handler_t *p_image, block_t *p_block,
                             const video_format_t *p_fmt_in,
                             video_format_t *p_fmt_out )
{
    picture_t *p_pic = NULL;

    /* Check if we can reuse the current decoder */
    if( p_image->p_dec &&
        p_image->p_dec->fmt_in.i_codec != p_fmt_in->i_chroma )
    {
        DeleteDecoder( p_image->p_dec );
        p_image->p_dec = 0;
    }

    /* Start a decoder */
    if( !p_image->p_dec )
    {
        p_image->p_dec = CreateDecoder( p_image->p_parent, p_fmt_in );
        if( !p_image->p_dec )
        {
            block_Release(p_block);
            return NULL;
        }
        if( p_image->p_dec->fmt_out.i_cat != VIDEO_ES )
        {
            DeleteDecoder( p_image->p_dec );
            p_image->p_dec = NULL;
            block_Release(p_block);
            return NULL;
        }
        p_image->p_dec->pf_queue_video = ImageQueueVideo;
        p_image->p_dec->p_queue_ctx = p_image;
    }

    p_block->i_pts = p_block->i_dts = mdate();
    int ret = p_image->p_dec->pf_decode( p_image->p_dec, p_block );
    if( ret == VLCDEC_SUCCESS )
    {
        /* Drain */
        p_image->p_dec->pf_decode( p_image->p_dec, NULL );

        p_pic = picture_fifo_Pop( p_image->outfifo );

        unsigned lostcount = 0;
        picture_t *lostpic;
        while( ( lostpic = picture_fifo_Pop( p_image->outfifo ) ) != NULL )
        {
            picture_Release( lostpic );
            lostcount++;
        }
        if( lostcount > 0 )
            msg_Warn( p_image->p_parent, "Image decoder output more than one "
                      "picture (%d)", lostcount );
    }

    if( p_pic == NULL )
    {
        msg_Warn( p_image->p_parent, "no image decoded" );
        return 0;
    }

    if( !p_fmt_out->i_chroma )
        p_fmt_out->i_chroma = p_image->p_dec->fmt_out.video.i_chroma;
    if( !p_fmt_out->i_width && p_fmt_out->i_height )
        p_fmt_out->i_width = (int64_t)p_image->p_dec->fmt_out.video.i_width *
                             p_image->p_dec->fmt_out.video.i_sar_num *
                             p_fmt_out->i_height /
                             p_image->p_dec->fmt_out.video.i_height /
                             p_image->p_dec->fmt_out.video.i_sar_den;

    if( !p_fmt_out->i_height && p_fmt_out->i_width )
        p_fmt_out->i_height = (int64_t)p_image->p_dec->fmt_out.video.i_height *
                              p_image->p_dec->fmt_out.video.i_sar_den *
                              p_fmt_out->i_width /
                              p_image->p_dec->fmt_out.video.i_width /
                              p_image->p_dec->fmt_out.video.i_sar_num;
    if( !p_fmt_out->i_width )
        p_fmt_out->i_width = p_image->p_dec->fmt_out.video.i_width;
    if( !p_fmt_out->i_height )
        p_fmt_out->i_height = p_image->p_dec->fmt_out.video.i_height;
    if( !p_fmt_out->i_visible_width )
        p_fmt_out->i_visible_width = p_fmt_out->i_width;
    if( !p_fmt_out->i_visible_height )
        p_fmt_out->i_visible_height = p_fmt_out->i_height;

    /* Check if we need chroma conversion or resizing */
    if( p_image->p_dec->fmt_out.video.i_chroma != p_fmt_out->i_chroma ||
        p_image->p_dec->fmt_out.video.i_width != p_fmt_out->i_width ||
        p_image->p_dec->fmt_out.video.i_height != p_fmt_out->i_height )
    {
        if( p_image->p_filter )
        if( p_image->p_filter->fmt_in.video.i_chroma !=
            p_image->p_dec->fmt_out.video.i_chroma ||
            p_image->p_filter->fmt_out.video.i_chroma != p_fmt_out->i_chroma )
        {
            /* We need to restart a new filter */
            DeleteFilter( p_image->p_filter );
            p_image->p_filter = 0;
        }

        /* Start a filter */
        if( !p_image->p_filter )
        {
            p_image->p_filter =
                CreateFilter( p_image->p_parent, &p_image->p_dec->fmt_out,
                              p_fmt_out );

            if( !p_image->p_filter )
            {
                picture_Release( p_pic );
                return NULL;
            }
        }
        else
        {
            /* Filters should handle on-the-fly size changes */
            p_image->p_filter->fmt_in = p_image->p_dec->fmt_out;
            p_image->p_filter->fmt_out = p_image->p_dec->fmt_out;
            p_image->p_filter->fmt_out.i_codec = p_fmt_out->i_chroma;
            p_image->p_filter->fmt_out.video = *p_fmt_out;
        }

        p_pic = p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );

        video_format_Clean( p_fmt_out );
        video_format_Copy( p_fmt_out, &p_image->p_filter->fmt_out.video );
    }
    else
    {
        video_format_Clean( p_fmt_out );
        video_format_Copy( p_fmt_out, &p_image->p_dec->fmt_out.video );
    }

    return p_pic;
}
示例#15
0
文件: mosaic.c 项目: IAPark/vlc
/*****************************************************************************
 * Filter
 *****************************************************************************/
static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
{
    filter_sys_t *p_sys = p_filter->p_sys;
    bridge_t *p_bridge;

    int i_real_index, i_row, i_col;
    int i_greatest_real_index_used = p_sys->i_order_length - 1;

    unsigned int col_inner_width, row_inner_height;

    subpicture_region_t *p_region;
    subpicture_region_t *p_region_prev = NULL;

    /* Allocate the subpicture internal data. */
    subpicture_t *p_spu = filter_NewSubpicture( p_filter );
    if( !p_spu )
        return NULL;

    /* Initialize subpicture */
    p_spu->i_channel = 0;
    p_spu->i_start  = date;
    p_spu->i_stop = 0;
    p_spu->b_ephemer = true;
    p_spu->i_alpha = p_sys->i_alpha;
    p_spu->b_absolute = false;

    p_spu->i_original_picture_width = p_sys->i_width;
    p_spu->i_original_picture_height = p_sys->i_height;

    vlc_mutex_lock( &p_sys->lock );
    vlc_global_lock( VLC_MOSAIC_MUTEX );

    p_bridge = GetBridge( p_filter );
    if ( p_bridge == NULL )
    {
        vlc_global_unlock( VLC_MOSAIC_MUTEX );
        vlc_mutex_unlock( &p_sys->lock );
        return p_spu;
    }

    if ( p_sys->i_position == position_offsets )
    {
        /* If we have either too much or not enough offsets, fall-back
         * to automatic positioning. */
        if ( p_sys->i_offsets_length != p_sys->i_order_length )
        {
            msg_Err( p_filter,
                     "Number of specified offsets (%d) does not match number "
                     "of input substreams in mosaic-order (%d), falling back "
                     "to mosaic-position=0",
                     p_sys->i_offsets_length, p_sys->i_order_length );
            p_sys->i_position = position_auto;
        }
    }

    if ( p_sys->i_position == position_auto )
    {
        int i_numpics = p_sys->i_order_length; /* keep slots and all */
        for( int i_index = 0; i_index < p_bridge->i_es_num; i_index++ )
        {
            bridged_es_t *p_es = p_bridge->pp_es[i_index];
            if ( !p_es->b_empty )
            {
                i_numpics ++;
                if( p_sys->i_order_length && p_es->psz_id != NULL )
                {
                    /* We also want to leave slots for images given in
                     * mosaic-order that are not available in p_vout_picture */
                    for( int i = 0; i < p_sys->i_order_length ; i++ )
                    {
                        if( !strcmp( p_sys->ppsz_order[i], p_es->psz_id ) )
                        {
                            i_numpics--;
                            break;
                        }
                    }

                }
            }
        }
        p_sys->i_rows = ceil(sqrt( (double)i_numpics ));
        p_sys->i_cols = ( i_numpics % p_sys->i_rows == 0 ?
                            i_numpics / p_sys->i_rows :
                            i_numpics / p_sys->i_rows + 1 );
    }

    col_inner_width  = ( ( p_sys->i_width - ( p_sys->i_cols - 1 )
                       * p_sys->i_borderw ) / p_sys->i_cols );
    row_inner_height = ( ( p_sys->i_height - ( p_sys->i_rows - 1 )
                       * p_sys->i_borderh ) / p_sys->i_rows );

    i_real_index = 0;

    for( int i_index = 0; i_index < p_bridge->i_es_num; i_index++ )
    {
        bridged_es_t *p_es = p_bridge->pp_es[i_index];
        video_format_t fmt_in, fmt_out;
        picture_t *p_converted;

        if ( p_es->b_empty )
            continue;

        while ( p_es->p_picture != NULL
                 && p_es->p_picture->date + p_sys->i_delay < date )
        {
            if ( p_es->p_picture->p_next != NULL )
            {
                picture_t *p_next = p_es->p_picture->p_next;
                picture_Release( p_es->p_picture );
                p_es->p_picture = p_next;
            }
            else if ( p_es->p_picture->date + p_sys->i_delay + BLANK_DELAY <
                        date )
            {
                /* Display blank */
                picture_Release( p_es->p_picture );
                p_es->p_picture = NULL;
                p_es->pp_last = &p_es->p_picture;
                break;
            }
            else
            {
                msg_Dbg( p_filter, "too late picture for %s (%"PRId64 ")",
                         p_es->psz_id,
                         date - p_es->p_picture->date - p_sys->i_delay );
                break;
            }
        }

        if ( p_es->p_picture == NULL )
            continue;

        if ( p_sys->i_order_length == 0 )
        {
            i_real_index++;
        }
        else
        {
            int i;
            for ( i = 0; i <= p_sys->i_order_length; i++ )
            {
                if ( i == p_sys->i_order_length ) break;
                if ( strcmp( p_es->psz_id, p_sys->ppsz_order[i] ) == 0 )
                {
                    i_real_index = i;
                    break;
                }
            }
            if ( i == p_sys->i_order_length )
                i_real_index = ++i_greatest_real_index_used;
        }
        i_row = ( i_real_index / p_sys->i_cols ) % p_sys->i_rows;
        i_col = i_real_index % p_sys->i_cols ;

        video_format_Init( &fmt_in, 0 );
        video_format_Init( &fmt_out, 0 );

        if ( !p_sys->b_keep )
        {
            /* Convert the images */
            fmt_in.i_chroma = p_es->p_picture->format.i_chroma;
            fmt_in.i_height = p_es->p_picture->format.i_height;
            fmt_in.i_width = p_es->p_picture->format.i_width;

            if( fmt_in.i_chroma == VLC_CODEC_YUVA ||
                fmt_in.i_chroma == VLC_CODEC_RGBA )
                fmt_out.i_chroma = VLC_CODEC_YUVA;
            else
                fmt_out.i_chroma = VLC_CODEC_I420;
            fmt_out.i_width = col_inner_width;
            fmt_out.i_height = row_inner_height;

            if( p_sys->b_ar ) /* keep aspect ratio */
            {
                if( (float)fmt_out.i_width / (float)fmt_out.i_height
                      > (float)fmt_in.i_width / (float)fmt_in.i_height )
                {
                    fmt_out.i_width = ( fmt_out.i_height * fmt_in.i_width )
                                         / fmt_in.i_height;
                }
                else
                {
                    fmt_out.i_height = ( fmt_out.i_width * fmt_in.i_height )
                                        / fmt_in.i_width;
                }
             }

            fmt_out.i_visible_width = fmt_out.i_width;
            fmt_out.i_visible_height = fmt_out.i_height;

            p_converted = image_Convert( p_sys->p_image, p_es->p_picture,
                                         &fmt_in, &fmt_out );
            if( !p_converted )
            {
                msg_Warn( p_filter,
                           "image resizing and chroma conversion failed" );
                video_format_Clean( &fmt_in );
                video_format_Clean( &fmt_out );
                continue;
            }
        }
        else
        {
            p_converted = p_es->p_picture;
            fmt_in.i_width = fmt_out.i_width = p_converted->format.i_width;
            fmt_in.i_height = fmt_out.i_height = p_converted->format.i_height;
            fmt_in.i_chroma = fmt_out.i_chroma = p_converted->format.i_chroma;
            fmt_out.i_visible_width = fmt_out.i_width;
            fmt_out.i_visible_height = fmt_out.i_height;
        }

        p_region = subpicture_region_New( &fmt_out );
        /* FIXME the copy is probably not needed anymore */
        if( p_region )
            picture_Copy( p_region->p_picture, p_converted );
        if( !p_sys->b_keep )
            picture_Release( p_converted );

        if( !p_region )
        {
            video_format_Clean( &fmt_in );
            video_format_Clean( &fmt_out );
            msg_Err( p_filter, "cannot allocate SPU region" );
            subpicture_Delete( p_spu );
            vlc_global_unlock( VLC_MOSAIC_MUTEX );
            vlc_mutex_unlock( &p_sys->lock );
            return NULL;
        }

        if( p_es->i_x >= 0 && p_es->i_y >= 0 )
        {
            p_region->i_x = p_es->i_x;
            p_region->i_y = p_es->i_y;
        }
        else if( p_sys->i_position == position_offsets )
        {
            p_region->i_x = p_sys->pi_x_offsets[i_real_index];
            p_region->i_y = p_sys->pi_y_offsets[i_real_index];
        }
        else
        {
            if( fmt_out.i_width > col_inner_width ||
                p_sys->b_ar || p_sys->b_keep )
            {
                /* we don't have to center the video since it takes the
                whole rectangle area or it's larger than the rectangle */
                p_region->i_x = p_sys->i_xoffset
                            + i_col * ( p_sys->i_width / p_sys->i_cols )
                            + ( i_col * p_sys->i_borderw ) / p_sys->i_cols;
            }
            else
            {
                /* center the video in the dedicated rectangle */
                p_region->i_x = p_sys->i_xoffset
                        + i_col * ( p_sys->i_width / p_sys->i_cols )
                        + ( i_col * p_sys->i_borderw ) / p_sys->i_cols
                        + ( col_inner_width - fmt_out.i_width ) / 2;
            }

            if( fmt_out.i_height > row_inner_height
                || p_sys->b_ar || p_sys->b_keep )
            {
                /* we don't have to center the video since it takes the
                whole rectangle area or it's taller than the rectangle */
                p_region->i_y = p_sys->i_yoffset
                        + i_row * ( p_sys->i_height / p_sys->i_rows )
                        + ( i_row * p_sys->i_borderh ) / p_sys->i_rows;
            }
            else
            {
                /* center the video in the dedicated rectangle */
                p_region->i_y = p_sys->i_yoffset
                        + i_row * ( p_sys->i_height / p_sys->i_rows )
                        + ( i_row * p_sys->i_borderh ) / p_sys->i_rows
                        + ( row_inner_height - fmt_out.i_height ) / 2;
            }
        }
        p_region->i_align = p_sys->i_align;
        p_region->i_alpha = p_es->i_alpha;

        if( p_region_prev == NULL )
        {
            p_spu->p_region = p_region;
        }
        else
        {
            p_region_prev->p_next = p_region;
        }

        video_format_Clean( &fmt_in );
        video_format_Clean( &fmt_out );

        p_region_prev = p_region;
    }

    vlc_global_unlock( VLC_MOSAIC_MUTEX );
    vlc_mutex_unlock( &p_sys->lock );

    return p_spu;
}
示例#16
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;
}