Esempio n. 1
0
/*****************************************************************************
 * Init: initialize Transform video thread output method
 *****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
    int i_index;
    picture_t *p_pic;
    video_format_t fmt = {0};

    I_OUTPUTPICTURES = 0;

    /* Initialize the output structure */
    p_vout->output.i_chroma = p_vout->render.i_chroma;
    p_vout->output.i_width  = p_vout->render.i_width;
    p_vout->output.i_height = p_vout->render.i_height;
    p_vout->output.i_aspect = p_vout->render.i_aspect;
    p_vout->fmt_out = p_vout->fmt_in;
    fmt = p_vout->fmt_out;

    /* Try to open the real video output */
    msg_Dbg( p_vout, "spawning the real video output" );

    if( p_vout->p_sys->b_rotation )
    {
        fmt.i_width = p_vout->fmt_out.i_height;
        fmt.i_visible_width = p_vout->fmt_out.i_visible_height;
        fmt.i_x_offset = p_vout->fmt_out.i_y_offset;

        fmt.i_height = p_vout->fmt_out.i_width;
        fmt.i_visible_height = p_vout->fmt_out.i_visible_width;
        fmt.i_y_offset = p_vout->fmt_out.i_x_offset;

        fmt.i_aspect = VOUT_ASPECT_FACTOR *
            (uint64_t)VOUT_ASPECT_FACTOR / fmt.i_aspect;

        fmt.i_sar_num = p_vout->fmt_out.i_sar_den;
        fmt.i_sar_den = p_vout->fmt_out.i_sar_num;
    }

    p_vout->p_sys->p_vout = vout_Create( p_vout, &fmt );

    /* Everything failed */
    if( p_vout->p_sys->p_vout == NULL )
    {
        msg_Err( p_vout, "cannot open vout, aborting" );
        return VLC_EGENERIC;
    }

    ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );

    ADD_CALLBACKS( p_vout->p_sys->p_vout, SendEvents );

    ADD_PARENT_CALLBACKS( SendEventsToChild );

    return VLC_SUCCESS;
}
Esempio n. 2
0
/*****************************************************************************
 * Init: initialize logo video thread output method
 *****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
    vout_sys_t *p_sys = p_vout->p_sys;
    picture_t *p_pic;
    int i_index;

    I_OUTPUTPICTURES = 0;

    /* Initialize the output structure */
    p_vout->output.i_chroma = p_vout->render.i_chroma;
    p_vout->output.i_width  = p_vout->render.i_width;
    p_vout->output.i_height = p_vout->render.i_height;
    p_vout->output.i_aspect = p_vout->render.i_aspect;

    /* Load the video blending filter */
    p_sys->p_blend = vlc_object_create( p_vout, sizeof(filter_t) );
    vlc_object_attach( p_sys->p_blend, p_vout );
    p_sys->p_blend->fmt_out.video.i_x_offset =
        p_sys->p_blend->fmt_out.video.i_y_offset = 0;
    p_sys->p_blend->fmt_in.video.i_x_offset =
        p_sys->p_blend->fmt_in.video.i_y_offset = 0;
    p_sys->p_blend->fmt_out.video.i_aspect = p_vout->render.i_aspect;
    p_sys->p_blend->fmt_out.video.i_chroma = p_vout->output.i_chroma;
    p_sys->p_blend->fmt_in.video.i_chroma = VLC_FOURCC('Y','U','V','A');
    p_sys->p_blend->fmt_in.video.i_aspect = VOUT_ASPECT_FACTOR;
    p_sys->p_blend->fmt_in.video.i_width =
        p_sys->p_blend->fmt_in.video.i_visible_width =
            p_sys->p_pic->p[Y_PLANE].i_visible_pitch;
    p_sys->p_blend->fmt_in.video.i_height =
        p_sys->p_blend->fmt_in.video.i_visible_height =
            p_sys->p_pic->p[Y_PLANE].i_visible_lines;
    p_sys->p_blend->fmt_out.video.i_width =
        p_sys->p_blend->fmt_out.video.i_visible_width =
           p_vout->output.i_width;
    p_sys->p_blend->fmt_out.video.i_height =
        p_sys->p_blend->fmt_out.video.i_visible_height =
            p_vout->output.i_height;

    p_sys->p_blend->p_module =
        module_Need( p_sys->p_blend, "video blending", 0, 0 );
    if( !p_sys->p_blend->p_module )
    {
        msg_Err( p_vout, "can't open blending filter, aborting" );
        vlc_object_detach( p_sys->p_blend );
        vlc_object_destroy( p_sys->p_blend );
        return VLC_EGENERIC;
    }

    if( p_sys->posx < 0 || p_sys->posy < 0 )
    {
        p_sys->posx = 0; p_sys->posy = 0;

        if( p_sys->pos & SUBPICTURE_ALIGN_BOTTOM )
        {
            p_sys->posy = p_vout->render.i_height - p_sys->i_height;
        }
        else if ( !(p_sys->pos & SUBPICTURE_ALIGN_TOP) )
        {
            p_sys->posy = p_vout->render.i_height / 2 - p_sys->i_height / 2;
        }

        if( p_sys->pos & SUBPICTURE_ALIGN_RIGHT )
        {
            p_sys->posx = p_vout->render.i_width - p_sys->i_width;
        }
        else if ( !(p_sys->pos & SUBPICTURE_ALIGN_LEFT) )
        {
            p_sys->posx = p_vout->render.i_width / 2 - p_sys->i_width / 2;
        }
    }

    /* Try to open the real video output */
    msg_Dbg( p_vout, "spawning the real video output" );

    p_sys->p_vout =
        vout_Create( p_vout, p_vout->render.i_width, p_vout->render.i_height,
                     p_vout->render.i_chroma, p_vout->render.i_aspect );

    /* Everything failed */
    if( p_sys->p_vout == NULL )
    {
        msg_Err( p_vout, "can't open vout, aborting" );
        return VLC_EGENERIC;
    }

    var_AddCallback( p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
    var_AddCallback( p_sys->p_vout, "mouse-y", MouseEvent, p_vout);

    ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
    ADD_CALLBACKS( p_sys->p_vout, SendEvents );
    ADD_PARENT_CALLBACKS( SendEventsToChild );

    return VLC_SUCCESS;
}
Esempio n. 3
0
/*****************************************************************************
 * Init: initialize Clone video thread output method
 *****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
    int   i_index, i_vout;
    picture_t *p_pic;
    char *psz_default_vout;

    I_OUTPUTPICTURES = 0;

    /* Initialize the output structure */
    p_vout->output.i_chroma = p_vout->render.i_chroma;
    p_vout->output.i_width  = p_vout->render.i_width;
    p_vout->output.i_height = p_vout->render.i_height;
    p_vout->output.i_aspect = p_vout->render.i_aspect;

    /* Try to open the real video output */
    msg_Dbg( p_vout, "spawning the real video outputs" );

    /* Save the default vout */
    psz_default_vout = config_GetPsz( p_vout, "vout" );

    for( i_vout = 0; i_vout < p_vout->p_sys->i_clones; i_vout++ )
    {
        if( p_vout->p_sys->ppsz_vout_list == NULL 
            || ( !strncmp( p_vout->p_sys->ppsz_vout_list[i_vout],
                           "default", 8 ) ) )
        {
            p_vout->p_sys->pp_vout[i_vout] =
                vout_Create( p_vout, p_vout->render.i_width,
                             p_vout->render.i_height, p_vout->render.i_chroma, 
                             p_vout->render.i_aspect );
        }
        else
        {
            /* create the appropriate vout instead of the default one */
            config_PutPsz( p_vout, "vout",
                           p_vout->p_sys->ppsz_vout_list[i_vout] );
            p_vout->p_sys->pp_vout[i_vout] =
                vout_Create( p_vout, p_vout->render.i_width,
                             p_vout->render.i_height, p_vout->render.i_chroma, 
                             p_vout->render.i_aspect );

            /* Reset the default value */
            config_PutPsz( p_vout, "vout", psz_default_vout );
        }

        if( p_vout->p_sys->pp_vout[ i_vout ] == NULL )
        {
            msg_Err( p_vout, "failed to clone %i vout threads",
                     p_vout->p_sys->i_clones );
            p_vout->p_sys->i_clones = i_vout;
            if( psz_default_vout ) free( psz_default_vout );
            RemoveAllVout( p_vout );
            return VLC_EGENERIC;
        }

        ADD_CALLBACKS( p_vout->p_sys->pp_vout[ i_vout ], SendEvents );
    }

    if( psz_default_vout ) free( psz_default_vout );
    ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );

    ADD_PARENT_CALLBACKS( SendEventsToChild );

    return VLC_SUCCESS;
}
Esempio n. 4
0
/*****************************************************************************
 * Init: initialize Wall video thread output method
 *****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
    int i_index, i_row, i_col, i_width, i_height, i_left, i_top;
    unsigned int i_target_width,i_target_height;
    picture_t *p_pic;
    video_format_t fmt = {0};
    int i_aspect = 4*VOUT_ASPECT_FACTOR/3;
    int i_align = 0;
    unsigned int i_hstart, i_hend, i_vstart, i_vend;
    unsigned int w1,h1,w2,h2;
    int i_xpos, i_ypos;
    int i_vstart_rounded = 0, i_hstart_rounded = 0;
    char *psz_aspect;

    psz_aspect = config_GetPsz( p_vout, "wall-element-aspect" );
    if( psz_aspect && *psz_aspect )
    {
        char *psz_parser = strchr( psz_aspect, ':' );
        if( psz_parser )
        {
            *psz_parser++ = '\0';
            i_aspect = atoi( psz_aspect ) * VOUT_ASPECT_FACTOR
                / atoi( psz_parser );
        }
        else
        {
            msg_Warn( p_vout, "invalid aspect ratio specification" );
        }
        free( psz_aspect );
    }
    

    i_xpos = var_CreateGetInteger( p_vout, "video-x" );
    i_ypos = var_CreateGetInteger( p_vout, "video-y" );
    if( i_xpos < 0 ) i_xpos = 0;
    if( i_ypos < 0 ) i_ypos = 0;

    I_OUTPUTPICTURES = 0;

    /* Initialize the output structure */
    p_vout->output.i_chroma = p_vout->render.i_chroma;
    p_vout->output.i_width  = p_vout->render.i_width;
    p_vout->output.i_height = p_vout->render.i_height;
    p_vout->output.i_aspect = p_vout->render.i_aspect;
    var_Create( p_vout, "align", VLC_VAR_INTEGER );

    fmt.i_width = fmt.i_visible_width = p_vout->render.i_width;
    fmt.i_height = fmt.i_visible_height = p_vout->render.i_height;
    fmt.i_x_offset = fmt.i_y_offset = 0;
    fmt.i_chroma = p_vout->render.i_chroma;
    fmt.i_aspect = p_vout->render.i_aspect;
    fmt.i_sar_num = p_vout->render.i_aspect * fmt.i_height / fmt.i_width;
    fmt.i_sar_den = VOUT_ASPECT_FACTOR;

    w1 = p_vout->output.i_width / p_vout->p_sys->i_col;
    w1 &= ~1;
    h1 = w1 * VOUT_ASPECT_FACTOR / i_aspect&~1;
    h1 &= ~1;
    
    h2 = p_vout->output.i_height / p_vout->p_sys->i_row&~1;
    h2 &= ~1;
    w2 = h2 * i_aspect / VOUT_ASPECT_FACTOR&~1;
    w2 &= ~1;
    
    if ( h1 * p_vout->p_sys->i_row < p_vout->output.i_height )
    {
        unsigned int i_tmp;
        i_target_width = w2;        
        i_target_height = h2;
        i_vstart = 0;
        i_vend = p_vout->output.i_height;
        i_tmp = i_target_width * p_vout->p_sys->i_col;
        while( i_tmp < p_vout->output.i_width ) i_tmp += p_vout->p_sys->i_col;
        i_hstart = (( i_tmp - p_vout->output.i_width ) / 2)&~1;
        i_hstart_rounded  = ( ( i_tmp - p_vout->output.i_width ) % 2 ) ||
            ( ( ( i_tmp - p_vout->output.i_width ) / 2 ) & 1 );
        i_hend = i_hstart + p_vout->output.i_width;
    }
    else
    {
        unsigned int i_tmp;
        i_target_height = h1;
        i_target_width = w1;
        i_hstart = 0;
        i_hend = p_vout->output.i_width;
        i_tmp = i_target_height * p_vout->p_sys->i_row;
        while( i_tmp < p_vout->output.i_height ) i_tmp += p_vout->p_sys->i_row;
        i_vstart = ( ( i_tmp - p_vout->output.i_height ) / 2 ) & ~1;
        i_vstart_rounded  = ( ( i_tmp - p_vout->output.i_height ) % 2 ) ||
            ( ( ( i_tmp - p_vout->output.i_height ) / 2 ) & 1 );
        i_vend = i_vstart + p_vout->output.i_height;
    }
    msg_Dbg( p_vout, "target resolution %dx%d", i_target_width, i_target_height );

    /* Try to open the real video output */
    msg_Dbg( p_vout, "spawning the real video outputs" );

    p_vout->p_sys->i_vout = 0;
    msg_Dbg( p_vout, "target window (%d,%d)-(%d,%d)", i_hstart,i_vstart,i_hend,i_vend );
    

    i_top = 0;
    i_height = 0;
    for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
    {
        i_left = 0;
        i_top += i_height;
        for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
        {
            i_align = 0;

            if( i_col*i_target_width >= i_hstart &&
                (i_col+1)*i_target_width <= i_hend )
            {
                i_width = i_target_width;
            }
            else if( ( i_col + 1 ) * i_target_width < i_hstart ||
                     ( i_col * i_target_width ) > i_hend )
            {
                i_width = 0;                
            }
            else
            {
                i_width = ( i_target_width - i_hstart % i_target_width );
                if( i_col >= ( p_vout->p_sys->i_col / 2 ) )
                {
                    i_align |= VOUT_ALIGN_LEFT;
                    i_width -= i_hstart_rounded ? 2: 0;
                }
                else
                {
                    i_align |= VOUT_ALIGN_RIGHT;
                }
            }
            
            if( i_row * i_target_height >= i_vstart &&
                ( i_row + 1 ) * i_target_height <= i_vend )
            {
                i_height = i_target_height;
            }
            else if( ( i_row + 1 ) * i_target_height < i_vstart ||
                     ( i_row * i_target_height ) > i_vend )
            {
                i_height = 0;
            }
            else
            {
                i_height = ( i_target_height -
                             i_vstart%i_target_height );
                if(  i_row >= ( p_vout->p_sys->i_row / 2 ) )
                {
                    i_align |= VOUT_ALIGN_TOP;
                    i_height -= i_vstart_rounded ? 2: 0;
                }
                else
                {
                    i_align |= VOUT_ALIGN_BOTTOM;
                }
            }
            if( i_height == 0 || i_width == 0 )
            {
                p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].b_active = VLC_FALSE;
            }

            p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_width = i_width;
            p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_height = i_height;
            p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_left = i_left;
            p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_top = i_top;
            i_left += i_width;

            if( !p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].b_active )
            {
                p_vout->p_sys->i_vout++;
                continue;
            }
            var_SetInteger( p_vout, "align", i_align );
            var_SetInteger( p_vout, "video-x", i_left + i_xpos - i_width);
            var_SetInteger( p_vout, "video-y", i_top + i_ypos );

            fmt.i_width = fmt.i_visible_width = i_width;
            fmt.i_height = fmt.i_visible_height = i_height;
            fmt.i_aspect = i_aspect * i_target_height / i_height *
                i_width / i_target_width;

            p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout =
                vout_Create( p_vout, &fmt );
            if( !p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout )
            {
                msg_Err( p_vout, "failed to get %ix%i vout threads",
                                 p_vout->p_sys->i_col, p_vout->p_sys->i_row );
                RemoveAllVout( p_vout );
                return VLC_EGENERIC;
            }
            ADD_CALLBACKS(
                p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout,
                SendEvents );
            p_vout->p_sys->i_vout++;
        }
    }

    ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );

    ADD_PARENT_CALLBACKS( SendEventsToChild );

    return VLC_SUCCESS;
}