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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "config.h"
#include "mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
//===========================================================================//
/* FIXME: these all belong in the context, not as globals! */
static uint32_t colorMask = 0xF7DEF7DE;
static uint32_t lowPixelMask = 0x08210821;
static uint32_t qcolorMask = 0xE79CE79C;
static uint32_t qlowpixelMask = 0x18631863;
static uint32_t redblueMask = 0xF81F;
static uint32_t greenMask = 0x7E0;
static int PixelsPerMask = 2;
#define makecol(r,g,b) (r+(g<<8)+(b<<16))
#define makecol_depth(d,r,g,b) (r+(g<<8)+(b<<16))
static int Init_2xSaI(int d)
{
int minr = 0, ming = 0, minb = 0;
int i;
// if (d != 15 && d != 16 && d != 24 && d != 32)
// return -1;
/* Get lowest color bit */
for (i = 0; i < 255; i++) {
if (!minr)
minr = makecol(i, 0, 0);
if (!ming)
ming = makecol(0, i, 0);
if (!minb)
minb = makecol(0, 0, i);
}
colorMask = (makecol_depth(d, 255, 0, 0) - minr) | (makecol_depth(d, 0, 255, 0) - ming) | (makecol_depth(d, 0, 0, 255) - minb);
lowPixelMask = minr | ming | minb;
qcolorMask = (makecol_depth(d, 255, 0, 0) - 3 * minr) | (makecol_depth(d, 0, 255, 0) - 3 * ming) | (makecol_depth(d, 0, 0, 255) - 3 * minb);
qlowpixelMask = (minr * 3) | (ming * 3) | (minb * 3);
redblueMask = makecol_depth(d, 255, 0, 255);
greenMask = makecol_depth(d, 0, 255, 0);
PixelsPerMask = (d <= 16) ? 2 : 1;
if (PixelsPerMask == 2) {
colorMask |= (colorMask << 16);
qcolorMask |= (qcolorMask << 16);
lowPixelMask |= (lowPixelMask << 16);
qlowpixelMask |= (qlowpixelMask << 16);
}
// TRACE("Color Mask: 0x%lX\n", colorMask);
// TRACE("Low Pixel Mask: 0x%lX\n", lowPixelMask);
// TRACE("QColor Mask: 0x%lX\n", qcolorMask);
// TRACE("QLow Pixel Mask: 0x%lX\n", qlowpixelMask);
return 0;
}
#define GET_RESULT(A, B, C, D) ((A != C || A != D) - (B != C || B != D))
#define INTERPOLATE(A, B) (((A & colorMask) >> 1) + ((B & colorMask) >> 1) + (A & B & lowPixelMask))
#define Q_INTERPOLATE(A, B, C, D) ((A & qcolorMask) >> 2) + ((B & qcolorMask) >> 2) + ((C & qcolorMask) >> 2) + ((D & qcolorMask) >> 2) \
+ ((((A & qlowpixelMask) + (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask)) >> 2) & qlowpixelMask)
static void Super2xSaI_ex(uint8_t *src, uint32_t src_pitch,
uint8_t *dst, uint32_t dst_pitch,
uint32_t width, uint32_t height, int sbpp)
{
unsigned int x, y;
uint32_t color[16];
unsigned char *src_line[4];
/* Point to the first 3 lines. */
src_line[0] = src;
src_line[1] = src;
src_line[2] = src + src_pitch;
src_line[3] = src + src_pitch * 2;
x = 0, y = 0;
if (PixelsPerMask == 2) {
unsigned short *sbp;
sbp = (unsigned short*)src_line[0];
color[0] = *sbp; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
color[4] = color[0]; color[5] = color[0]; color[6] = *(sbp + 1); color[7] = *(sbp + 2);
sbp = (unsigned short*)src_line[2];
color[8] = *sbp; color[9] = color[8]; color[10] = *(sbp + 1); color[11] = *(sbp + 2);
sbp = (unsigned short*)src_line[3];
color[12] = *sbp; color[13] = color[12]; color[14] = *(sbp + 1); color[15] = *(sbp + 2);
}
else {
uint32_t *lbp;
lbp = (uint32_t*)src_line[0];
color[0] = *lbp; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
color[4] = color[0]; color[5] = color[0]; color[6] = *(lbp + 1); color[7] = *(lbp + 2);
lbp = (uint32_t*)src_line[2];
color[8] = *lbp; color[9] = color[8]; color[10] = *(lbp + 1); color[11] = *(lbp + 2);
lbp = (uint32_t*)src_line[3];
color[12] = *lbp; color[13] = color[12]; color[14] = *(lbp + 1); color[15] = *(lbp + 2);
}
for (y = 0; y < height; y++) {
unsigned char *dst_line[2];
dst_line[0] = dst + dst_pitch*2*y;
dst_line[1] = dst + dst_pitch*(2*y+1);
/* Todo: x = width - 2, x = width - 1 */
for (x = 0; x < width; x++) {
uint32_t product1a, product1b, product2a, product2b;
//--------------------------------------- B0 B1 B2 B3 0 1 2 3
// 4 5* 6 S2 -> 4 5* 6 7
// 1 2 3 S1 8 9 10 11
// A0 A1 A2 A3 12 13 14 15
//--------------------------------------
if (color[9] == color[6] && color[5] != color[10]) {
product2b = color[9];
product1b = product2b;
}
else if (color[5] == color[10] && color[9] != color[6]) {
product2b = color[5];
product1b = product2b;
}
else if (color[5] == color[10] && color[9] == color[6]) {
int r = 0;
r += GET_RESULT(color[6], color[5], color[8], color[13]);
r += GET_RESULT(color[6], color[5], color[4], color[1]);
r += GET_RESULT(color[6], color[5], color[14], color[11]);
r += GET_RESULT(color[6], color[5], color[2], color[7]);
if (r > 0)
product1b = color[6];
else if (r < 0)
product1b = color[5];
else
product1b = INTERPOLATE(color[5], color[6]);
product2b = product1b;
}
else {
if (color[6] == color[10] && color[10] == color[13] && color[9] != color[14] && color[10] != color[12])
product2b = Q_INTERPOLATE(color[10], color[10], color[10], color[9]);
else if (color[5] == color[9] && color[9] == color[14] && color[13] != color[10] && color[9] != color[15])
product2b = Q_INTERPOLATE(color[9], color[9], color[9], color[10]);
else
product2b = INTERPOLATE(color[9], color[10]);
if (color[6] == color[10] && color[6] == color[1] && color[5] != color[2] && color[6] != color[0])
product1b = Q_INTERPOLATE(color[6], color[6], color[6], color[5]);
else if (color[5] == color[9] && color[5] == color[2] && color[1] != color[6] && color[5] != color[3])
product1b = Q_INTERPOLATE(color[6], color[5], color[5], color[5]);
else
product1b = INTERPOLATE(color[5], color[6]);
}
if (color[5] == color[10] && color[9] != color[6] && color[4] == color[5] && color[5] != color[14])
product2a = INTERPOLATE(color[9], color[5]);
else if (color[5] == color[8] && color[6] == color[5] && color[4] != color[9] && color[5] != color[12])
product2a = INTERPOLATE(color[9], color[5]);
else
product2a = color[9];
if (color[9] == color[6] && color[5] != color[10] && color[8] == color[9] && color[9] != color[2])
product1a = INTERPOLATE(color[9], color[5]);
else if (color[4] == color[9] && color[10] == color[9] && color[8] != color[5] && color[9] != color[0])
product1a = INTERPOLATE(color[9], color[5]);
else
product1a = color[5];
if (PixelsPerMask == 2) {
*((uint32_t *) (&dst_line[0][x * 4])) = product1a | (product1b << 16);
*((uint32_t *) (&dst_line[1][x * 4])) = product2a | (product2b << 16);
}
else {
*((uint32_t *) (&dst_line[0][x * 8])) = product1a;
*((uint32_t *) (&dst_line[0][x * 8 + 4])) = product1b;
*((uint32_t *) (&dst_line[1][x * 8])) = product2a;
*((uint32_t *) (&dst_line[1][x * 8 + 4])) = product2b;
}
/* Move color matrix forward */
color[0] = color[1]; color[4] = color[5]; color[8] = color[9]; color[12] = color[13];
color[1] = color[2]; color[5] = color[6]; color[9] = color[10]; color[13] = color[14];
color[2] = color[3]; color[6] = color[7]; color[10] = color[11]; color[14] = color[15];
if (x < width - 3) {
x += 3;
if (PixelsPerMask == 2) {
color[3] = *(((unsigned short*)src_line[0]) + x);
color[7] = *(((unsigned short*)src_line[1]) + x);
color[11] = *(((unsigned short*)src_line[2]) + x);
color[15] = *(((unsigned short*)src_line[3]) + x);
}
else {
color[3] = *(((uint32_t*)src_line[0]) + x);
color[7] = *(((uint32_t*)src_line[1]) + x);
color[11] = *(((uint32_t*)src_line[2]) + x);
color[15] = *(((uint32_t*)src_line[3]) + x);
}
x -= 3;
}
}
/* We're done with one line, so we shift the source lines up */
src_line[0] = src_line[1];
src_line[1] = src_line[2];
src_line[2] = src_line[3];
/* Read next line */
if (y + 3 >= height)
src_line[3] = src_line[2];
else
src_line[3] = src_line[2] + src_pitch;
/* Then shift the color matrix up */
if (PixelsPerMask == 2) {
unsigned short *sbp;
sbp = (unsigned short*)src_line[0];
color[0] = *sbp; color[1] = color[0]; color[2] = *(sbp + 1); color[3] = *(sbp + 2);
sbp = (unsigned short*)src_line[1];
color[4] = *sbp; color[5] = color[4]; color[6] = *(sbp + 1); color[7] = *(sbp + 2);
sbp = (unsigned short*)src_line[2];
color[8] = *sbp; color[9] = color[9]; color[10] = *(sbp + 1); color[11] = *(sbp + 2);
sbp = (unsigned short*)src_line[3];
color[12] = *sbp; color[13] = color[12]; color[14] = *(sbp + 1); color[15] = *(sbp + 2);
}
else {
uint32_t *lbp;
lbp = (uint32_t*)src_line[0];
color[0] = *lbp; color[1] = color[0]; color[2] = *(lbp + 1); color[3] = *(lbp + 2);
lbp = (uint32_t*)src_line[1];
color[4] = *lbp; color[5] = color[4]; color[6] = *(lbp + 1); color[7] = *(lbp + 2);
lbp = (uint32_t*)src_line[2];
color[8] = *lbp; color[9] = color[9]; color[10] = *(lbp + 1); color[11] = *(lbp + 2);
lbp = (uint32_t*)src_line[3];
color[12] = *lbp; color[13] = color[12]; color[14] = *(lbp + 1); color[15] = *(lbp + 2);
}
} // y loop
}
//===========================================================================//
static int config(struct vf_instance *vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt){
Init_2xSaI(outfmt&255);
return vf_next_config(vf,2*width,2*height,2*d_width,2*d_height,flags,outfmt);
}
static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
mp_image_t *dmpi;
// hope we'll get DR buffer:
dmpi=vf_get_image(vf->next,mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
2*mpi->w, 2*mpi->h);
Super2xSaI_ex(mpi->planes[0], mpi->stride[0],
dmpi->planes[0], dmpi->stride[0],
mpi->w, mpi->h, mpi->bpp/8);
return vf_next_put_image(vf,dmpi, pts);
}
//===========================================================================//
static int query_format(struct vf_instance *vf, unsigned int fmt){
switch(fmt){
// case IMGFMT_BGR15:
// case IMGFMT_BGR16:
case IMGFMT_BGR32:
return vf_next_query_format(vf,fmt);
}
return 0;
}
static int vf_open(vf_instance_t *vf, char *args){
vf->config=config;
vf->put_image=put_image;
vf->query_format=query_format;
return 1;
}
const vf_info_t vf_info_2xsai = {
"2xSai BGR bitmap 2x scaler",
"2xsai",
"A'rpi",
"http://elektron.its.tudelft.nl/~dalikifa/",
vf_open,
NULL
};
//===========================================================================//
|
