mirror of https://github.com/mpv-player/mpv
318 lines
11 KiB
C
318 lines
11 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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//===========================================================================//
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/* FIXME: these all belong in the context, not as globals! */
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static uint32_t colorMask = 0xF7DEF7DE;
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static uint32_t lowPixelMask = 0x08210821;
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static uint32_t qcolorMask = 0xE79CE79C;
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static uint32_t qlowpixelMask = 0x18631863;
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static uint32_t redblueMask = 0xF81F;
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static uint32_t greenMask = 0x7E0;
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static int PixelsPerMask = 2;
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#define makecol(r,g,b) (r+(g<<8)+(b<<16))
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#define makecol_depth(d,r,g,b) (r+(g<<8)+(b<<16))
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static int Init_2xSaI(int d)
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{
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int minr = 0, ming = 0, minb = 0;
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int i;
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// if (d != 15 && d != 16 && d != 24 && d != 32)
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// return -1;
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/* Get lowest color bit */
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for (i = 0; i < 255; i++) {
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if (!minr)
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minr = makecol(i, 0, 0);
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if (!ming)
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ming = makecol(0, i, 0);
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if (!minb)
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minb = makecol(0, 0, i);
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}
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colorMask = (makecol_depth(d, 255, 0, 0) - minr) | (makecol_depth(d, 0, 255, 0) - ming) | (makecol_depth(d, 0, 0, 255) - minb);
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lowPixelMask = minr | ming | minb;
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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);
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qlowpixelMask = (minr * 3) | (ming * 3) | (minb * 3);
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redblueMask = makecol_depth(d, 255, 0, 255);
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greenMask = makecol_depth(d, 0, 255, 0);
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PixelsPerMask = (d <= 16) ? 2 : 1;
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if (PixelsPerMask == 2) {
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colorMask |= (colorMask << 16);
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qcolorMask |= (qcolorMask << 16);
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lowPixelMask |= (lowPixelMask << 16);
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qlowpixelMask |= (qlowpixelMask << 16);
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}
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// TRACE("Color Mask: 0x%lX\n", colorMask);
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// TRACE("Low Pixel Mask: 0x%lX\n", lowPixelMask);
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// TRACE("QColor Mask: 0x%lX\n", qcolorMask);
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// TRACE("QLow Pixel Mask: 0x%lX\n", qlowpixelMask);
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return 0;
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}
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#define GET_RESULT(A, B, C, D) ((A != C || A != D) - (B != C || B != D))
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#define INTERPOLATE(A, B) (((A & colorMask) >> 1) + ((B & colorMask) >> 1) + (A & B & lowPixelMask))
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#define Q_INTERPOLATE(A, B, C, D) ((A & qcolorMask) >> 2) + ((B & qcolorMask) >> 2) + ((C & qcolorMask) >> 2) + ((D & qcolorMask) >> 2) \
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+ ((((A & qlowpixelMask) + (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask)) >> 2) & qlowpixelMask)
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static void Super2xSaI_ex(uint8_t *src, uint32_t src_pitch,
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uint8_t *dst, uint32_t dst_pitch,
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uint32_t width, uint32_t height, int sbpp) {
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unsigned int x, y;
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uint32_t color[16];
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unsigned char *src_line[4];
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/* Point to the first 3 lines. */
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src_line[0] = src;
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src_line[1] = src;
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src_line[2] = src + src_pitch;
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src_line[3] = src + src_pitch * 2;
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x = 0, y = 0;
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if (PixelsPerMask == 2) {
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unsigned short *sbp;
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sbp = (unsigned short*)src_line[0];
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color[0] = *sbp; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
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color[4] = color[0]; color[5] = color[0]; color[6] = *(sbp + 1); color[7] = *(sbp + 2);
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sbp = (unsigned short*)src_line[2];
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color[8] = *sbp; color[9] = color[8]; color[10] = *(sbp + 1); color[11] = *(sbp + 2);
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sbp = (unsigned short*)src_line[3];
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color[12] = *sbp; color[13] = color[12]; color[14] = *(sbp + 1); color[15] = *(sbp + 2);
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}
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else {
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uint32_t *lbp;
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lbp = (uint32_t*)src_line[0];
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color[0] = *lbp; color[1] = color[0]; color[2] = color[0]; color[3] = color[0];
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color[4] = color[0]; color[5] = color[0]; color[6] = *(lbp + 1); color[7] = *(lbp + 2);
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lbp = (uint32_t*)src_line[2];
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color[8] = *lbp; color[9] = color[8]; color[10] = *(lbp + 1); color[11] = *(lbp + 2);
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lbp = (uint32_t*)src_line[3];
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color[12] = *lbp; color[13] = color[12]; color[14] = *(lbp + 1); color[15] = *(lbp + 2);
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}
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for (y = 0; y < height; y++) {
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unsigned char *dst_line[2];
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dst_line[0] = dst + dst_pitch*2*y;
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dst_line[1] = dst + dst_pitch*(2*y+1);
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/* Todo: x = width - 2, x = width - 1 */
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for (x = 0; x < width; x++) {
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uint32_t product1a, product1b, product2a, product2b;
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//--------------------------------------- B0 B1 B2 B3 0 1 2 3
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// 4 5* 6 S2 -> 4 5* 6 7
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// 1 2 3 S1 8 9 10 11
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// A0 A1 A2 A3 12 13 14 15
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//--------------------------------------
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if (color[9] == color[6] && color[5] != color[10]) {
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product2b = color[9];
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product1b = product2b;
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}
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else if (color[5] == color[10] && color[9] != color[6]) {
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product2b = color[5];
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product1b = product2b;
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}
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else if (color[5] == color[10] && color[9] == color[6]) {
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int r = 0;
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r += GET_RESULT(color[6], color[5], color[8], color[13]);
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r += GET_RESULT(color[6], color[5], color[4], color[1]);
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r += GET_RESULT(color[6], color[5], color[14], color[11]);
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r += GET_RESULT(color[6], color[5], color[2], color[7]);
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if (r > 0)
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product1b = color[6];
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else if (r < 0)
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product1b = color[5];
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else
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product1b = INTERPOLATE(color[5], color[6]);
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product2b = product1b;
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}
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else {
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if (color[6] == color[10] && color[10] == color[13] && color[9] != color[14] && color[10] != color[12])
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product2b = Q_INTERPOLATE(color[10], color[10], color[10], color[9]);
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else if (color[5] == color[9] && color[9] == color[14] && color[13] != color[10] && color[9] != color[15])
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product2b = Q_INTERPOLATE(color[9], color[9], color[9], color[10]);
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else
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product2b = INTERPOLATE(color[9], color[10]);
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if (color[6] == color[10] && color[6] == color[1] && color[5] != color[2] && color[6] != color[0])
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product1b = Q_INTERPOLATE(color[6], color[6], color[6], color[5]);
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else if (color[5] == color[9] && color[5] == color[2] && color[1] != color[6] && color[5] != color[3])
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product1b = Q_INTERPOLATE(color[6], color[5], color[5], color[5]);
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else
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product1b = INTERPOLATE(color[5], color[6]);
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}
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if (color[5] == color[10] && color[9] != color[6] && color[4] == color[5] && color[5] != color[14])
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product2a = INTERPOLATE(color[9], color[5]);
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else if (color[5] == color[8] && color[6] == color[5] && color[4] != color[9] && color[5] != color[12])
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product2a = INTERPOLATE(color[9], color[5]);
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else
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product2a = color[9];
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if (color[9] == color[6] && color[5] != color[10] && color[8] == color[9] && color[9] != color[2])
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product1a = INTERPOLATE(color[9], color[5]);
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else if (color[4] == color[9] && color[10] == color[9] && color[8] != color[5] && color[9] != color[0])
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product1a = INTERPOLATE(color[9], color[5]);
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else
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product1a = color[5];
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if (PixelsPerMask == 2) {
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*((uint32_t *) (&dst_line[0][x * 4])) = product1a | (product1b << 16);
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*((uint32_t *) (&dst_line[1][x * 4])) = product2a | (product2b << 16);
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}
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else {
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*((uint32_t *) (&dst_line[0][x * 8])) = product1a;
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*((uint32_t *) (&dst_line[0][x * 8 + 4])) = product1b;
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*((uint32_t *) (&dst_line[1][x * 8])) = product2a;
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*((uint32_t *) (&dst_line[1][x * 8 + 4])) = product2b;
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}
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/* Move color matrix forward */
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color[0] = color[1]; color[4] = color[5]; color[8] = color[9]; color[12] = color[13];
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color[1] = color[2]; color[5] = color[6]; color[9] = color[10]; color[13] = color[14];
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color[2] = color[3]; color[6] = color[7]; color[10] = color[11]; color[14] = color[15];
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if (x < width - 3) {
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x += 3;
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if (PixelsPerMask == 2) {
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color[3] = *(((unsigned short*)src_line[0]) + x);
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color[7] = *(((unsigned short*)src_line[1]) + x);
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color[11] = *(((unsigned short*)src_line[2]) + x);
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color[15] = *(((unsigned short*)src_line[3]) + x);
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}
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else {
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color[3] = *(((uint32_t*)src_line[0]) + x);
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color[7] = *(((uint32_t*)src_line[1]) + x);
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color[11] = *(((uint32_t*)src_line[2]) + x);
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color[15] = *(((uint32_t*)src_line[3]) + x);
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}
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x -= 3;
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}
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}
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/* We're done with one line, so we shift the source lines up */
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src_line[0] = src_line[1];
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src_line[1] = src_line[2];
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src_line[2] = src_line[3];
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/* Read next line */
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if (y + 3 >= height)
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src_line[3] = src_line[2];
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else
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src_line[3] = src_line[2] + src_pitch;
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/* Then shift the color matrix up */
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if (PixelsPerMask == 2) {
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unsigned short *sbp;
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sbp = (unsigned short*)src_line[0];
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color[0] = *sbp; color[1] = color[0]; color[2] = *(sbp + 1); color[3] = *(sbp + 2);
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sbp = (unsigned short*)src_line[1];
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color[4] = *sbp; color[5] = color[4]; color[6] = *(sbp + 1); color[7] = *(sbp + 2);
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sbp = (unsigned short*)src_line[2];
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color[8] = *sbp; color[9] = color[9]; color[10] = *(sbp + 1); color[11] = *(sbp + 2);
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sbp = (unsigned short*)src_line[3];
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color[12] = *sbp; color[13] = color[12]; color[14] = *(sbp + 1); color[15] = *(sbp + 2);
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}
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else {
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uint32_t *lbp;
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lbp = (uint32_t*)src_line[0];
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color[0] = *lbp; color[1] = color[0]; color[2] = *(lbp + 1); color[3] = *(lbp + 2);
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lbp = (uint32_t*)src_line[1];
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color[4] = *lbp; color[5] = color[4]; color[6] = *(lbp + 1); color[7] = *(lbp + 2);
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lbp = (uint32_t*)src_line[2];
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color[8] = *lbp; color[9] = color[9]; color[10] = *(lbp + 1); color[11] = *(lbp + 2);
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lbp = (uint32_t*)src_line[3];
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color[12] = *lbp; color[13] = color[12]; color[14] = *(lbp + 1); color[15] = *(lbp + 2);
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}
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} // y loop
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}
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//===========================================================================//
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static int config(struct vf_instance* vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt){
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Init_2xSaI(outfmt&255);
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return vf_next_config(vf,2*width,2*height,2*d_width,2*d_height,flags,outfmt);
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}
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static int put_image(struct vf_instance* vf, mp_image_t *mpi, double pts){
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mp_image_t *dmpi;
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// hope we'll get DR buffer:
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dmpi=vf_get_image(vf->next,mpi->imgfmt,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
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2*mpi->w, 2*mpi->h);
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Super2xSaI_ex(mpi->planes[0], mpi->stride[0],
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dmpi->planes[0], dmpi->stride[0],
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mpi->w, mpi->h, mpi->bpp/8);
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return vf_next_put_image(vf,dmpi, pts);
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}
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//===========================================================================//
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static int query_format(struct vf_instance* vf, unsigned int fmt){
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switch(fmt){
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// case IMGFMT_BGR15:
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// case IMGFMT_BGR16:
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case IMGFMT_BGR32:
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return vf_next_query_format(vf,fmt);
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}
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return 0;
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}
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static int open(vf_instance_t *vf, char* args){
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vf->config=config;
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vf->put_image=put_image;
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vf->query_format=query_format;
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return 1;
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}
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const vf_info_t vf_info_2xsai = {
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"2xSai BGR bitmap 2x scaler",
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"2xsai",
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"A'rpi",
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"http://elektron.its.tudelft.nl/~dalikifa/",
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open,
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NULL
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};
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//===========================================================================//
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