extract.c

VLC Player Source Code

            *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
                      / 65536 + V );
            *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
                       / 65536 );
            *y1out++ = crop( (*y1in++ * m[0] + (*uin++ -U) * m[1] + (*vin++ -V) * m[2])
                       / 65536 );
        }
        y1in  += i_pitch - i_visible_pitch;
        y1out += i_pitch - i_visible_pitch;
        uin   += i_uv_pitch - i_uv_visible_pitch;
        uout  += i_uv_pitch - i_uv_visible_pitch;
        vin   += i_uv_pitch - i_uv_visible_pitch;
        vout  += i_uv_pitch - i_uv_visible_pitch;
    }
}

static void get_custom_from_packedyuv422( picture_t *p_inpic,
                                          picture_t *p_outpic,
                                          int *m )
{
    int i_y_offset, i_u_offset, i_v_offset;
    if( GetPackedYuvOffsets( p_inpic->format.i_chroma, &i_y_offset,
                         &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
        return;

    uint8_t *yin = p_inpic->p->p_pixels + i_y_offset;
    uint8_t *uin = p_inpic->p->p_pixels + i_u_offset;
    uint8_t *vin = p_inpic->p->p_pixels + i_v_offset;

    uint8_t *yout = p_outpic->p->p_pixels + i_y_offset;
    uint8_t *uout = p_outpic->p->p_pixels + i_u_offset;
    uint8_t *vout = p_outpic->p->p_pixels + i_v_offset;

    const int i_pitch = p_inpic->p->i_pitch;
    const int i_visible_pitch = p_inpic->p->i_visible_pitch;
    const int i_visible_lines = p_inpic->p->i_visible_lines;

    const uint8_t *yend = yin + i_visible_lines * i_pitch;
    while( yin < yend )
    {
        const uint8_t *ylend = yin + i_visible_pitch;
        while( yin < ylend )
        {
            *uout = crop( (*yin * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
                      / 65536 + U );
            uout += 4;
            *vout = crop( (*yin * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
                     / 65536 + V );
            vout += 4;
            *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
                       / 65536 );
            yin  += 2;
            yout += 2;
            *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
                       / 65536 );
            yin  += 2;
            yout += 2;
            uin  += 4;
            vin  += 4;
        }
        yin  += i_pitch - i_visible_pitch;
        yout += i_pitch - i_visible_pitch;
        uin  += i_pitch - i_visible_pitch;
        uout += i_pitch - i_visible_pitch;
        vin  += i_pitch - i_visible_pitch;
        vout += i_pitch - i_visible_pitch;
    }
}

static void get_red_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
                                 int yp, int up, int vp )
{
    uint8_t *y1in = p_inpic->p[yp].p_pixels;
    uint8_t *y2in;
    uint8_t *vin  = p_inpic->p[vp].p_pixels;

    uint8_t *y1out = p_outpic->p[yp].p_pixels;
    uint8_t *y2out;
    uint8_t *uout  = p_outpic->p[up].p_pixels;
    uint8_t *vout  = p_outpic->p[vp].p_pixels;

    const int i_pitch = p_inpic->p[yp].i_pitch;
    const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
    const int i_visible_lines = p_inpic->p[yp].i_visible_lines;

    const int i_uv_pitch = p_inpic->p[up].i_pitch;
    const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;

    const uint8_t *yend = y1in + i_visible_lines * i_pitch;
    while( y1in < yend )
    {
        const uint8_t *y1end = y1in + i_visible_pitch;
        y2in  = y1in + i_pitch;
        y2out = y1out + i_pitch;
        while( y1in < y1end )
        {
/*
19595   0   27473
-11058  0   -15504
32768   0   45941
*/
            *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
                      / 65536 + U );
            *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
                      / 65536 + V );
            *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
                       / 65536 );
            *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
                       / 65536 );
            *y2out++ = crop( (*y2in++ * 19594 + (*vin - V) * 27473)
                       / 65536 );
            *y2out++ = crop( (*y2in++ * 19594 + (*vin++ - V) * 27473)
                       / 65536 );
        }
        y1in  += 2*i_pitch - i_visible_pitch;
        y1out += 2*i_pitch - i_visible_pitch;
        uout  += i_uv_pitch - i_uv_visible_pitch;
        vin   += i_uv_pitch - i_uv_visible_pitch;
        vout  += i_uv_pitch - i_uv_visible_pitch;
    }
}

static void get_green_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
                                 int yp, int up, int vp )
{
    uint8_t *y1in = p_inpic->p[yp].p_pixels;
    uint8_t *y2in;
    uint8_t *uin  = p_inpic->p[up].p_pixels;
    uint8_t *vin  = p_inpic->p[vp].p_pixels;

    uint8_t *y1out = p_outpic->p[yp].p_pixels;
    uint8_t *y2out;
    uint8_t *uout  = p_outpic->p[up].p_pixels;
    uint8_t *vout  = p_outpic->p[vp].p_pixels;

    const int i_pitch = p_inpic->p[yp].i_pitch;
    const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
    const int i_visible_lines = p_inpic->p[yp].i_visible_lines;

    const int i_uv_pitch = p_inpic->p[up].i_pitch;
    const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;

    const uint8_t *yend = y1in + i_visible_lines * i_pitch;
    while( y1in < yend )
    {
        const uint8_t *y1end = y1in + i_visible_pitch;
        y2in  = y1in + i_pitch;
        y2out = y1out + i_pitch;
        while( y1in < y1end )
        {
/*
38470   -13239  -27473
-21710  7471    15504
-27439  9443    19595
*/
            *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
                      / 65536 + U );
            *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
                      / 65536 + V );
            *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
                       / 65536 );
            *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
                       / 65536 );
            *y2out++ = crop( (*y2in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
                       / 65536 );
            *y2out++ = crop( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -V) * -27473)
                       / 65536 );
        }
        y1in  += 2*i_pitch - i_visible_pitch;
        y1out += 2*i_pitch - i_visible_pitch;
        uin   += i_uv_pitch - i_uv_visible_pitch;
        uout  += i_uv_pitch - i_uv_visible_pitch;
        vin   += i_uv_pitch - i_uv_visible_pitch;
        vout  += i_uv_pitch - i_uv_visible_pitch;
    }
}

static void get_blue_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
                                 int yp, int up, int vp )
{
    uint8_t *y1in = p_inpic->p[yp].p_pixels;
    uint8_t *y2in;
    uint8_t *uin  = p_inpic->p[up].p_pixels;

    uint8_t *y1out = p_outpic->p[yp].p_pixels;
    uint8_t *y2out;
    uint8_t *uout  = p_outpic->p[up].p_pixels;
    uint8_t *vout  = p_outpic->p[vp].p_pixels;

    const int i_pitch = p_inpic->p[yp].i_pitch;
    const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
    const int i_visible_lines = p_inpic->p[yp].i_visible_lines;

    const int i_uv_pitch = p_inpic->p[up].i_pitch;
    const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;

    const uint8_t *yend = y1in + i_visible_lines * i_pitch;
    while( y1in < yend )
    {
        const uint8_t *y1end = y1in + i_visible_pitch;
        y2in  = y1in + i_pitch;
        y2out = y1out + i_pitch;
        while( y1in < y1end )
        {
/*
7471    13239   0
32768   58065   0
-5329   -9443   0
*/
            *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
                      / 65536 + U );
            *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
                      / 65536 + V );
            *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
                       / 65536 );
            *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
                       / 65536 );
            *y2out++ = crop( (*y2in++ * 7471 + (*uin - U) * 13239 )
                       / 65536 );
            *y2out++ = crop( (*y2in++ * 7471 + (*uin++ - U) * 13239 )
                       / 65536 );
        }
        y1in  += 2*i_pitch - i_visible_pitch;
        y1out += 2*i_pitch - i_visible_pitch;
        uin   += i_uv_pitch - i_uv_visible_pitch;
        uout  += i_uv_pitch - i_uv_visible_pitch;
        vout  += i_uv_pitch - i_uv_visible_pitch;
    }
}

static void get_red_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
                                 int yp, int up, int vp )
{
    uint8_t *y1in = p_inpic->p[yp].p_pixels;
    uint8_t *vin  = p_inpic->p[vp].p_pixels;

    uint8_t *y1out = p_outpic->p[yp].p_pixels;
    uint8_t *uout  = p_outpic->p[up].p_pixels;
    uint8_t *vout  = p_outpic->p[vp].p_pixels;

    const int i_pitch = p_inpic->p[yp].i_pitch;
    const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
    const int i_visible_lines = p_inpic->p[yp].i_visible_lines;

    const int i_uv_pitch = p_inpic->p[up].i_pitch;
    const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;

    const uint8_t *yend = y1in + i_visible_lines * i_pitch;
    while( y1in < yend )
    {
        const uint8_t *y1end = y1in + i_visible_pitch;
        while( y1in < y1end )
        {
/*
19595   0   27473
-11058  0   -15504
32768   0   45941
*/
            *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
                      / 65536 + U );
            *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
                      / 65536 + V );
            *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
                       / 65536 );
            *y1out++ = crop( (*y1in++ * 19595 + (*vin++ - V) * 27473)
                       / 65536 );
        }
        y1in  += i_pitch - i_visible_pitch;
        y1out += i_pitch - i_visible_pitch;
        uout  += i_uv_pitch - i_uv_visible_pitch;
        vin   += i_uv_pitch - i_uv_visible_pitch;
        vout  += i_uv_pitch - i_uv_visible_pitch;
    }
}

static void get_green_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
                                   int yp, int up, int vp )
{
    uint8_t *y1in = p_inpic->p[yp].p_pixels;
    uint8_t *uin  = p_inpic->p[up].p_pixels;
    uint8_t *vin  = p_inpic->p[vp].p_pixels;

    uint8_t *y1out = p_outpic->p[yp].p_pixels;
    uint8_t *uout  = p_outpic->p[up].p_pixels;
    uint8_t *vout  = p_outpic->p[vp].p_pixels;

    const int i_pitch = p_inpic->p[yp].i_pitch;
    const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
    const int i_visible_lines = p_inpic->p[yp].i_visible_lines;

    const int i_uv_pitch = p_inpic->p[up].i_pitch;
    const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;

    const uint8_t *yend = y1in + i_visible_lines * i_pitch;
    while( y1in < yend )
    {
        const uint8_t *y1end = y1in + i_visible_pitch;
        while( y1in < y1end )
        {
/*
38470   -13239  -27473
-21710  7471    15504
-27439  9443    19595
*/
            *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
                      / 65536 + U );
            *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
                      / 65536 + V );
            *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
                       / 65536 );
            *y1out++ = crop( (*y1in++ * 38470 + (*uin++-U) * -13239 + (*vin++-V) * -27473)
                       / 65536 );
        }
        y1in  += i_pitch - i_visible_pitch;
        y1out += i_pitch - i_visible_pitch;
        uin   += i_uv_pitch - i_uv_visible_pitch;
        uout  += i_uv_pitch - i_uv_visible_pitch;
        vin   += i_uv_pitch - i_uv_visible_pitch;
        vout  += i_uv_pitch - i_uv_visible_pitch;
    }
}

static void get_blue_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
                                 int yp, int up, int vp )
{
    uint8_t *y1in = p_inpic->p[yp].p_pixels;
    uint8_t *uin  = p_inpic->p[up].p_pixels;

    uint8_t *y1out = p_outpic->p[yp].p_pixels;
    uint8_t *uout  = p_outpic->p[up].p_pixels;
    uint8_t *vout  = p_outpic->p[vp].p_pixels;

    const int i_pitch = p_inpic->p[yp].i_pitch;
    const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
    const int i_visible_lines = p_inpic->p[yp].i_visible_lines;

    const int i_uv_pitch = p_inpic->p[up].i_pitch;
    const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;

    const uint8_t *yend = y1in + i_visible_lines * i_pitch;
    while( y1in < yend )
    {
        const uint8_t *y1end = y1in + i_visible_pitch;
        while( y1in < y1end )
        {
/*
7471    13239   0
32768   58065   0
-5329   -9443   0
*/
            *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
                      / 65536 + U );
            *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
                      / 65536 + V );
            *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
                       / 65536 );
            *y1out++ = crop( (*y1in++ * 7471 + (*uin++ - U) * 13239 )
                       / 65536 );
        }
        y1in  += i_pitch - i_visible_pitch;
        y1out += i_pitch - i_visible_pitch;
        uin   += i_uv_pitch - i_uv_visible_pitch;
        uout  += i_uv_pitch - i_uv_visible_pitch;
        vout  += i_uv_pitch - i_uv_visible_pitch;
    }
}

static int ExtractCallback( vlc_object_t *p_this, char const *psz_var,
                            vlc_value_t oldval, vlc_value_t newval,
                            void *p_data )
{
    VLC_UNUSED(oldval);
    filter_sys_t *p_sys = (filter_sys_t *)p_data;

    if( !strcmp( psz_var, FILTER_PREFIX "component" ) )
    {
        p_sys->i_color = newval.i_int;
        /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
        make_projection_matrix( (filter_t *)p_this, p_sys->i_color,
                                p_sys->projection_matrix );
    }
    else
    {
        msg_Warn( p_this, "Unknown callback command." );
    }
    return VLC_SUCCESS;
}