1
mirror of https://github.com/mpv-player/mpv synced 2024-11-11 00:15:33 +01:00
mpv/libmpcodecs/vf_2xsai.c
albeu 33b62af947 Add the new -vf option wich is the same as vop in reverse order.
Syntax is we decided, so you can give the nomes or not with both
vop and vf. vf take precedence over vop.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9594 b3059339-0415-0410-9bf9-f77b7e298cf2
2003-03-15 18:01:02 +00:00

365 lines
11 KiB
C

#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"
//===========================================================================//
#define uint32 unsigned long
#define uint16 unsigned short
#define uint8 unsigned char
static uint32 colorMask = 0xF7DEF7DE;
static uint32 lowPixelMask = 0x08210821;
static uint32 qcolorMask = 0xE79CE79C;
static uint32 qlowpixelMask = 0x18631863;
static uint32 redblueMask = 0xF81F;
static uint32 greenMask = 0x7E0;
static int PixelsPerMask = 2;
static int xsai_depth = 0;
#define makecol(r,g,b) (r+(g<<8)+(b<<16))
#define makecol_depth(d,r,g,b) (r+(g<<8)+(b<<16))
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);
xsai_depth = d;
return 0;
}
static int GetResult1(uint32 A, uint32 B, uint32 C, uint32 D)
{
int x = 0;
int y = 0;
int r = 0;
if (A == C)
x += 1;
else if (B == C)
y += 1;
if (A == D)
x += 1;
else if (B == D)
y += 1;
if (x <= 1)
r += 1;
if (y <= 1)
r -= 1;
return r;
}
static int GetResult2(uint32 A, uint32 B, uint32 C, uint32 D, uint32 E)
{
int x = 0;
int y = 0;
int r = 0;
if (A == C)
x += 1;
else if (B == C)
y += 1;
if (A == D)
x += 1;
else if (B == D)
y += 1;
if (x <= 1)
r -= 1;
if (y <= 1)
r += 1;
return r;
}
#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 unsigned char *src_line[4];
static unsigned char *dst_line[2];
void Super2xSaI_ex(uint8 *src, uint32 src_pitch,
uint8 *dst, uint32 dst_pitch,
uint32 width, uint32 height, int sbpp) {
unsigned int x, y;
unsigned long color[16];
/* 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 {
unsigned long *lbp;
lbp = (unsigned long*)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 = (unsigned long*)src_line[2];
color[8] = *lbp; color[9] = color[8]; color[10] = *(lbp + 1); color[11] = *(lbp + 2);
lbp = (unsigned long*)src_line[3];
color[12] = *lbp; color[13] = color[12]; color[14] = *(lbp + 1); color[15] = *(lbp + 2);
}
for (y = 0; y < height; y++) {
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++) {
unsigned long 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) {
*((unsigned long *) (&dst_line[0][x * 4])) = product1a | (product1b << 16);
*((unsigned long *) (&dst_line[1][x * 4])) = product2a | (product2b << 16);
}
else {
*((unsigned long *) (&dst_line[0][x * 8])) = product1a;
*((unsigned long *) (&dst_line[0][x * 8 + 4])) = product1b;
*((unsigned long *) (&dst_line[1][x * 8])) = product2a;
*((unsigned long *) (&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] = *(((unsigned long*)src_line[0]) + x);
color[7] = *(((unsigned long*)src_line[1]) + x);
color[11] = *(((unsigned long*)src_line[2]) + x);
color[15] = *(((unsigned long*)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 {
unsigned long *lbp;
lbp = (unsigned long*)src_line[0];
color[0] = *lbp; color[1] = color[0]; color[2] = *(lbp + 1); color[3] = *(lbp + 2);
lbp = (unsigned long*)src_line[1];
color[4] = *lbp; color[5] = color[4]; color[6] = *(lbp + 1); color[7] = *(lbp + 2);
lbp = (unsigned long*)src_line[2];
color[8] = *lbp; color[9] = color[9]; color[10] = *(lbp + 1); color[11] = *(lbp + 2);
lbp = (unsigned long*)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_s* 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_s* vf, mp_image_t *mpi){
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);
}
//===========================================================================//
static int query_format(struct vf_instance_s* 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 open(vf_instance_t *vf, char* args){
vf->config=config;
vf->put_image=put_image;
vf->query_format=query_format;
return 1;
}
vf_info_t vf_info_2xsai = {
"2xSai BGR bitmap 2x scaler",
"2xsai",
"A'rpi",
"http://elektron.its.tudelft.nl/~dalikifa/",
open,
NULL
};
//===========================================================================//