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https://github.com/FFmpeg/FFmpeg.git
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1112 lines
34 KiB
C
1112 lines
34 KiB
C
/*
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* Misc image convertion routines
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* Copyright (c) 2001, 2002 Fabrice Bellard.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "avcodec.h"
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#include "dsputil.h"
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#ifdef USE_FASTMEMCPY
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#include "fastmemcpy.h"
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#endif
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#ifdef HAVE_MMX
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#include "i386/mmx.h"
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#endif
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/* XXX: totally non optimized */
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static void yuv422_to_yuv420p(UINT8 *lum, UINT8 *cb, UINT8 *cr,
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UINT8 *src, int width, int height)
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{
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int x, y;
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UINT8 *p = src;
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for(y=0;y<height;y+=2) {
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for(x=0;x<width;x+=2) {
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lum[0] = p[0];
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cb[0] = p[1];
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lum[1] = p[2];
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cr[0] = p[3];
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p += 4;
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lum += 2;
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cb++;
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cr++;
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}
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for(x=0;x<width;x+=2) {
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lum[0] = p[0];
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lum[1] = p[2];
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p += 4;
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lum += 2;
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}
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}
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}
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#define SCALEBITS 8
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#define ONE_HALF (1 << (SCALEBITS - 1))
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#define FIX(x) ((int) ((x) * (1L<<SCALEBITS) + 0.5))
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static void rgb24_to_yuv420p(UINT8 *lum, UINT8 *cb, UINT8 *cr,
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UINT8 *src, int width, int height)
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{
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int wrap, wrap3, x, y;
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int r, g, b, r1, g1, b1;
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UINT8 *p;
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wrap = width;
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wrap3 = width * 3;
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p = src;
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for(y=0;y<height;y+=2) {
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for(x=0;x<width;x+=2) {
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r = p[0];
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g = p[1];
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b = p[2];
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r1 = r;
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g1 = g;
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b1 = b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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r = p[3];
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g = p[4];
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b = p[5];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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p += wrap3;
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lum += wrap;
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r = p[0];
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g = p[1];
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b = p[2];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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r = p[3];
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g = p[4];
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b = p[5];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +
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FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 -
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FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cb++;
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cr++;
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p += -wrap3 + 2 * 3;
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lum += -wrap + 2;
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}
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p += wrap3;
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lum += wrap;
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}
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}
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static void rgba32_to_yuv420p(UINT8 *lum, UINT8 *cb, UINT8 *cr,
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UINT8 *src, int width, int height)
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{
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int wrap, wrap4, x, y;
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int r, g, b, r1, g1, b1;
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UINT8 *p;
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wrap = width;
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wrap4 = width * 4;
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p = src;
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for(y=0;y<height;y+=2) {
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for(x=0;x<width;x+=2) {
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r = p[0];
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g = p[1];
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b = p[2];
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r1 = r;
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g1 = g;
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b1 = b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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r = p[4];
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g = p[5];
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b = p[6];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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p += wrap4;
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lum += wrap;
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r = p[0];
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g = p[1];
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b = p[2];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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r = p[4];
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g = p[5];
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b = p[6];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +
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FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 -
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FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cb++;
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cr++;
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p += -wrap4 + 2 * 4;
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lum += -wrap + 2;
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}
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p += wrap4;
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lum += wrap;
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}
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}
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#define rgb565_to_yuv420p(lum,cb,cr,src,width,height) rgbmisc_to_yuv420p((lum),(cb),(cr),(src),(width),(height),0x0800,31, 0x0020,63,0x0001,31)
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#define rgb555_to_yuv420p(lum,cb,cr,src,width,height) rgbmisc_to_yuv420p((lum),(cb),(cr),(src),(width),(height),0x0400,31, 0x0020,31,0x0001,31)
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#define rgb5551_to_yuv420p(lum,cb,cr,src,width,height) rgbmisc_to_yuv420p((lum),(cb),(cr),(src),(width),(height),0x0800,31, 0x0040,31,0x0002,31)
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#define bgr565_to_yuv420p(lum,cb,cr,src,width,height) rgbmisc_to_yuv420p((lum),(cb),(cr),(src),(width),(height),0x0001,31, 0x0020,63,0x0800,31)
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#define bgr555_to_yuv420p(lum,cb,cr,src,width,height) rgbmisc_to_yuv420p((lum),(cb),(cr),(src),(width),(height),0x0001,31, 0x0020,31,0x0400,31)
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#define gbr565_to_yuv420p(lum,cb,cr,src,width,height) rgbmisc_to_yuv420p((lum),(cb),(cr),(src),(width),(height),0x0001,31, 0x0800,31,0x0040,63)
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#define gbr555_to_yuv420p(lum,cb,cr,src,width,height) rgbmisc_to_yuv420p((lum),(cb),(cr),(src),(width),(height),0x0001,31, 0x0400,31,0x0020,31)
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static void rgbmisc_to_yuv420p
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(UINT8 *lum, UINT8 *cb, UINT8 *cr,
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UINT8 *src, int width, int height,
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UINT16 R_LOWMASK, UINT16 R_MAX,
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UINT16 G_LOWMASK, UINT16 G_MAX,
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UINT16 B_LOWMASK, UINT16 B_MAX
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)
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{
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int wrap, wrap2, x, y;
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int r, g, b, r1, g1, b1;
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UINT8 *p;
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UINT16 pixel;
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wrap = width;
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wrap2 = width * 2;
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p = src;
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for(y=0;y<height;y+=2) {
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for(x=0;x<width;x+=2) {
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pixel = p[0] | (p[1]<<8);
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r = (((pixel/R_LOWMASK) & R_MAX) * (0x100 / (R_MAX+1)));
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g = (((pixel/G_LOWMASK) & G_MAX) * (0x100 / (G_MAX+1)));
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b = (((pixel/B_LOWMASK) & B_MAX) * (0x100 / (B_MAX+1)));
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r1 = r;
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g1 = g;
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b1 = b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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pixel = p[2] | (p[3]<<8);
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r = (((pixel/R_LOWMASK) & R_MAX) * (0x100 / (R_MAX+1)));
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g = (((pixel/G_LOWMASK) & G_MAX) * (0x100 / (G_MAX+1)));
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b = (((pixel/B_LOWMASK) & B_MAX) * (0x100 / (B_MAX+1)));
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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p += wrap2;
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lum += wrap;
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pixel = p[0] | (p[1]<<8);
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r = (((pixel/R_LOWMASK) & R_MAX) * (0x100 / (R_MAX+1)));
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g = (((pixel/G_LOWMASK) & G_MAX) * (0x100 / (G_MAX+1)));
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b = (((pixel/B_LOWMASK) & B_MAX) * (0x100 / (B_MAX+1)));
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r1 += r;
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g1 += g;
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b1 += b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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pixel = p[2] | (p[3]<<8);
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r = (((pixel/R_LOWMASK) & R_MAX) * (0x100 / (R_MAX+1)));
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g = (((pixel/G_LOWMASK) & G_MAX) * (0x100 / (G_MAX+1)));
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b = (((pixel/B_LOWMASK) & B_MAX) * (0x100 / (B_MAX+1)));
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +
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FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 -
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FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cb++;
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cr++;
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p += -wrap2 + 2 * 2;
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lum += -wrap + 2;
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}
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p += wrap2;
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lum += wrap;
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}
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}
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static void bgr24_to_yuv420p(UINT8 *lum, UINT8 *cb, UINT8 *cr,
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UINT8 *src, int width, int height)
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{
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int wrap, wrap3, x, y;
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int r, g, b, r1, g1, b1;
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UINT8 *p;
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wrap = width;
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wrap3 = width * 3;
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p = src;
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for(y=0;y<height;y+=2) {
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for(x=0;x<width;x+=2) {
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b = p[0];
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g = p[1];
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r = p[2];
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r1 = r;
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g1 = g;
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b1 = b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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b = p[3];
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g = p[4];
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r = p[5];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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p += wrap3;
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lum += wrap;
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b = p[0];
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g = p[1];
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r = p[2];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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b = p[3];
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g = p[4];
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r = p[5];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +
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FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 -
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FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cb++;
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cr++;
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p += -wrap3 + 2 * 3;
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lum += -wrap + 2;
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}
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p += wrap3;
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lum += wrap;
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}
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}
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static void bgra32_to_yuv420p(UINT8 *lum, UINT8 *cb, UINT8 *cr,
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UINT8 *src, int width, int height)
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{
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int wrap, wrap4, x, y;
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int r, g, b, r1, g1, b1;
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UINT8 *p;
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wrap = width;
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wrap4 = width * 4;
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p = src;
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for(y=0;y<height;y+=2) {
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for(x=0;x<width;x+=2) {
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b = p[0];
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g = p[1];
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r = p[2];
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r1 = r;
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g1 = g;
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b1 = b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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b = p[4];
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g = p[5];
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r = p[6];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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p += wrap4;
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lum += wrap;
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b = p[0];
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g = p[1];
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r = p[2];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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b = p[4];
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g = p[5];
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r = p[6];
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r1 += r;
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g1 += g;
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b1 += b;
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +
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FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 -
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FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cb++;
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cr++;
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p += -wrap4 + 2 * 4;
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lum += -wrap + 2;
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}
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p += wrap4;
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lum += wrap;
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}
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}
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/* XXX: use generic filter ? */
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/* 1x2 -> 1x1 */
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static void shrink2(UINT8 *dst, int dst_wrap,
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UINT8 *src, int src_wrap,
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int width, int height)
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{
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int w;
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UINT8 *s1, *s2, *d;
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for(;height > 0; height--) {
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s1 = src;
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s2 = s1 + src_wrap;
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d = dst;
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for(w = width;w >= 4; w-=4) {
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d[0] = (s1[0] + s2[0]) >> 1;
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d[1] = (s1[1] + s2[1]) >> 1;
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d[2] = (s1[2] + s2[2]) >> 1;
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d[3] = (s1[3] + s2[3]) >> 1;
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s1 += 4;
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s2 += 4;
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d += 4;
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}
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for(;w > 0; w--) {
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d[0] = (s1[0] + s2[0]) >> 1;
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s1++;
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s2++;
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d++;
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}
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src += 2 * src_wrap;
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dst += dst_wrap;
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}
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}
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/* 2x2 -> 1x1 */
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static void shrink22(UINT8 *dst, int dst_wrap,
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UINT8 *src, int src_wrap,
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int width, int height)
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{
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int w;
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UINT8 *s1, *s2, *d;
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for(;height > 0; height--) {
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s1 = src;
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s2 = s1 + src_wrap;
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d = dst;
|
|
for(w = width;w >= 4; w-=4) {
|
|
d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 1;
|
|
d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 1;
|
|
d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 1;
|
|
d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 1;
|
|
s1 += 8;
|
|
s2 += 8;
|
|
d += 4;
|
|
}
|
|
for(;w > 0; w--) {
|
|
d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 1;
|
|
s1 += 2;
|
|
s2 += 2;
|
|
d++;
|
|
}
|
|
src += 2 * src_wrap;
|
|
dst += dst_wrap;
|
|
}
|
|
}
|
|
|
|
/* 1x1 -> 2x2 */
|
|
static void grow22(UINT8 *dst, int dst_wrap,
|
|
UINT8 *src, int src_wrap,
|
|
int width, int height)
|
|
{
|
|
int w;
|
|
UINT8 *s1, *d;
|
|
|
|
for(;height > 0; height--) {
|
|
s1 = src;
|
|
d = dst;
|
|
for(w = width;w >= 4; w-=4) {
|
|
d[1] = d[0] = s1[0];
|
|
d[3] = d[2] = s1[1];
|
|
s1 += 2;
|
|
d += 4;
|
|
}
|
|
for(;w > 0; w--) {
|
|
d[0] = s1[0];
|
|
s1 ++;
|
|
d++;
|
|
}
|
|
if (height%2)
|
|
src += src_wrap;
|
|
dst += dst_wrap;
|
|
}
|
|
}
|
|
|
|
/* 1x2 -> 2x1. width and height are given for the source picture */
|
|
static void conv411(UINT8 *dst, int dst_wrap,
|
|
UINT8 *src, int src_wrap,
|
|
int width, int height)
|
|
{
|
|
int w, c;
|
|
UINT8 *s1, *s2, *d;
|
|
|
|
for(;height > 0; height -= 2) {
|
|
s1 = src;
|
|
s2 = src + src_wrap;
|
|
d = dst;
|
|
for(w = width;w > 0; w--) {
|
|
c = (s1[0] + s2[0]) >> 1;
|
|
d[0] = c;
|
|
d[1] = c;
|
|
s1++;
|
|
s2++;
|
|
d += 2;
|
|
}
|
|
src += src_wrap * 2;
|
|
dst += dst_wrap;
|
|
}
|
|
}
|
|
|
|
static void img_copy(UINT8 *dst, int dst_wrap,
|
|
UINT8 *src, int src_wrap,
|
|
int width, int height)
|
|
{
|
|
for(;height > 0; height--) {
|
|
memcpy(dst, src, width);
|
|
dst += dst_wrap;
|
|
src += src_wrap;
|
|
}
|
|
}
|
|
|
|
#define SCALE_BITS 10
|
|
|
|
#define C_Y (76309 >> (16 - SCALE_BITS))
|
|
#define C_RV (117504 >> (16 - SCALE_BITS))
|
|
#define C_BU (138453 >> (16 - SCALE_BITS))
|
|
#define C_GU (13954 >> (16 - SCALE_BITS))
|
|
#define C_GV (34903 >> (16 - SCALE_BITS))
|
|
|
|
#define RGBOUT(r, g, b, y1)\
|
|
{\
|
|
y = (y1 - 16) * C_Y;\
|
|
r = cm[(y + r_add) >> SCALE_BITS];\
|
|
g = cm[(y + g_add) >> SCALE_BITS];\
|
|
b = cm[(y + b_add) >> SCALE_BITS];\
|
|
}
|
|
|
|
/* XXX: no chroma interpolating is done */
|
|
static void yuv420p_to_bgra32(AVPicture *dst, AVPicture *src,
|
|
int width, int height)
|
|
{
|
|
UINT8 *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *d, *d1, *d2;
|
|
int w, y, cb, cr, r_add, g_add, b_add, width2;
|
|
UINT8 *cm = cropTbl + MAX_NEG_CROP;
|
|
|
|
d = dst->data[0];
|
|
y1_ptr = src->data[0];
|
|
cb_ptr = src->data[1];
|
|
cr_ptr = src->data[2];
|
|
width2 = width >> 1;
|
|
for(;height > 0; height -= 2) {
|
|
d1 = d;
|
|
d2 = d + dst->linesize[0];
|
|
y2_ptr = y1_ptr + src->linesize[0];
|
|
for(w = width2; w > 0; w --) {
|
|
cb = cb_ptr[0] - 128;
|
|
cr = cr_ptr[0] - 128;
|
|
r_add = C_RV * cr + (1 << (SCALE_BITS - 1));
|
|
g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1));
|
|
b_add = C_BU * cb + (1 << (SCALE_BITS - 1));
|
|
|
|
/* output 4 pixels */
|
|
RGBOUT(d1[2], d1[1], d1[0], y1_ptr[0]);
|
|
RGBOUT(d1[6], d1[5], d1[4], y1_ptr[1]);
|
|
RGBOUT(d2[2], d2[1], d2[0], y2_ptr[0]);
|
|
RGBOUT(d2[6], d2[5], d2[4], y2_ptr[1]);
|
|
|
|
d1[3] = d1[7] = d2[3] = d2[7] = 255;
|
|
|
|
d1 += 8;
|
|
d2 += 8;
|
|
y1_ptr += 2;
|
|
y2_ptr += 2;
|
|
cb_ptr++;
|
|
cr_ptr++;
|
|
}
|
|
d += 2 * dst->linesize[0];
|
|
y1_ptr += 2 * src->linesize[0] - width;
|
|
cb_ptr += src->linesize[1] - width2;
|
|
cr_ptr += src->linesize[2] - width2;
|
|
}
|
|
}
|
|
|
|
/* XXX: no chroma interpolating is done */
|
|
static void yuv420p_to_rgba32(AVPicture *dst, AVPicture *src,
|
|
int width, int height)
|
|
{
|
|
UINT8 *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *d, *d1, *d2;
|
|
int w, y, cb, cr, r_add, g_add, b_add, width2;
|
|
UINT8 *cm = cropTbl + MAX_NEG_CROP;
|
|
|
|
d = dst->data[0];
|
|
y1_ptr = src->data[0];
|
|
cb_ptr = src->data[1];
|
|
cr_ptr = src->data[2];
|
|
width2 = width >> 1;
|
|
for(;height > 0; height -= 2) {
|
|
d1 = d;
|
|
d2 = d + dst->linesize[0];
|
|
y2_ptr = y1_ptr + src->linesize[0];
|
|
for(w = width2; w > 0; w --) {
|
|
cb = cb_ptr[0] - 128;
|
|
cr = cr_ptr[0] - 128;
|
|
r_add = C_RV * cr + (1 << (SCALE_BITS - 1));
|
|
g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1));
|
|
b_add = C_BU * cb + (1 << (SCALE_BITS - 1));
|
|
|
|
/* output 4 pixels */
|
|
RGBOUT(d1[0], d1[1], d1[2], y1_ptr[0]);
|
|
RGBOUT(d1[4], d1[5], d1[6], y1_ptr[1]);
|
|
RGBOUT(d2[0], d2[1], d2[2], y2_ptr[0]);
|
|
RGBOUT(d2[4], d2[5], d2[6], y2_ptr[1]);
|
|
|
|
d1[3] = d1[7] = d2[3] = d2[7] = 255;
|
|
|
|
d1 += 8;
|
|
d2 += 8;
|
|
y1_ptr += 2;
|
|
y2_ptr += 2;
|
|
cb_ptr++;
|
|
cr_ptr++;
|
|
}
|
|
d += 2 * dst->linesize[0];
|
|
y1_ptr += 2 * src->linesize[0] - width;
|
|
cb_ptr += src->linesize[1] - width2;
|
|
cr_ptr += src->linesize[2] - width2;
|
|
}
|
|
}
|
|
|
|
/* XXX: no chroma interpolating is done */
|
|
static void yuv420p_to_rgb24(AVPicture *dst, AVPicture *src,
|
|
int width, int height)
|
|
{
|
|
UINT8 *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *d, *d1, *d2;
|
|
int w, y, cb, cr, r_add, g_add, b_add, width2;
|
|
UINT8 *cm = cropTbl + MAX_NEG_CROP;
|
|
|
|
d = dst->data[0];
|
|
y1_ptr = src->data[0];
|
|
cb_ptr = src->data[1];
|
|
cr_ptr = src->data[2];
|
|
width2 = width >> 1;
|
|
for(;height > 0; height -= 2) {
|
|
d1 = d;
|
|
d2 = d + dst->linesize[0];
|
|
y2_ptr = y1_ptr + src->linesize[0];
|
|
for(w = width2; w > 0; w --) {
|
|
cb = cb_ptr[0] - 128;
|
|
cr = cr_ptr[0] - 128;
|
|
r_add = C_RV * cr + (1 << (SCALE_BITS - 1));
|
|
g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1));
|
|
b_add = C_BU * cb + (1 << (SCALE_BITS - 1));
|
|
|
|
/* output 4 pixels */
|
|
RGBOUT(d1[0], d1[1], d1[2], y1_ptr[0]);
|
|
RGBOUT(d1[3], d1[4], d1[5], y1_ptr[1]);
|
|
RGBOUT(d2[0], d2[1], d2[2], y2_ptr[0]);
|
|
RGBOUT(d2[3], d2[4], d2[5], y2_ptr[1]);
|
|
|
|
d1 += 6;
|
|
d2 += 6;
|
|
y1_ptr += 2;
|
|
y2_ptr += 2;
|
|
cb_ptr++;
|
|
cr_ptr++;
|
|
}
|
|
d += 2 * dst->linesize[0];
|
|
y1_ptr += 2 * src->linesize[0] - width;
|
|
cb_ptr += src->linesize[1] - width2;
|
|
cr_ptr += src->linesize[2] - width2;
|
|
}
|
|
}
|
|
|
|
/* XXX: no chroma interpolating is done */
|
|
static void yuv422p_to_rgb24(AVPicture *dst, AVPicture *src,
|
|
int width, int height)
|
|
{
|
|
UINT8 *y1_ptr, *cb_ptr, *cr_ptr, *d, *d1;
|
|
int w, y, cb, cr, r_add, g_add, b_add, width2;
|
|
UINT8 *cm = cropTbl + MAX_NEG_CROP;
|
|
|
|
d = dst->data[0];
|
|
y1_ptr = src->data[0];
|
|
cb_ptr = src->data[1];
|
|
cr_ptr = src->data[2];
|
|
width2 = width >> 1;
|
|
for(;height > 0; height --) {
|
|
d1 = d;
|
|
for(w = width2; w > 0; w --) {
|
|
cb = cb_ptr[0] - 128;
|
|
cr = cr_ptr[0] - 128;
|
|
r_add = C_RV * cr + (1 << (SCALE_BITS - 1));
|
|
g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1));
|
|
b_add = C_BU * cb + (1 << (SCALE_BITS - 1));
|
|
|
|
/* output 2 pixels */
|
|
RGBOUT(d1[0], d1[1], d1[2], y1_ptr[0]);
|
|
RGBOUT(d1[3], d1[4], d1[5], y1_ptr[1]);
|
|
|
|
d1 += 6;
|
|
y1_ptr += 2;
|
|
cb_ptr++;
|
|
cr_ptr++;
|
|
}
|
|
d += dst->linesize[0];
|
|
y1_ptr += src->linesize[0] - width;
|
|
cb_ptr += src->linesize[1] - width2;
|
|
cr_ptr += src->linesize[2] - width2;
|
|
}
|
|
}
|
|
|
|
/* XXX: always use linesize. Return -1 if not supported */
|
|
int img_convert(AVPicture *dst, int dst_pix_fmt,
|
|
AVPicture *src, int pix_fmt,
|
|
int width, int height)
|
|
{
|
|
int i;
|
|
|
|
assert(pix_fmt != PIX_FMT_ANY && dst_pix_fmt != PIX_FMT_ANY);
|
|
|
|
if (dst_pix_fmt == pix_fmt) {
|
|
switch(pix_fmt) {
|
|
case PIX_FMT_YUV420P:
|
|
for(i=0;i<3;i++) {
|
|
if (i == 1) {
|
|
width >>= 1;
|
|
height >>= 1;
|
|
}
|
|
img_copy(dst->data[i], dst->linesize[i],
|
|
src->data[i], src->linesize[i],
|
|
width, height);
|
|
}
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
} else if (dst_pix_fmt == PIX_FMT_YUV420P) {
|
|
|
|
switch(pix_fmt) {
|
|
case PIX_FMT_YUV411P:
|
|
img_copy(dst->data[0], dst->linesize[0],
|
|
src->data[0], src->linesize[0],
|
|
width, height);
|
|
conv411(dst->data[1], dst->linesize[1],
|
|
src->data[1], src->linesize[1],
|
|
width / 4, height);
|
|
conv411(dst->data[2], dst->linesize[2],
|
|
src->data[2], src->linesize[2],
|
|
width / 4, height);
|
|
break;
|
|
case PIX_FMT_YUV410P:
|
|
img_copy(dst->data[0], dst->linesize[0],
|
|
src->data[0], src->linesize[0],
|
|
width, height);
|
|
grow22(dst->data[1], dst->linesize[1],
|
|
src->data[1], src->linesize[1],
|
|
width/2, height/2);
|
|
grow22(dst->data[2], dst->linesize[2],
|
|
src->data[2], src->linesize[2],
|
|
width/2, height/2);
|
|
break;
|
|
case PIX_FMT_YUV420P:
|
|
for(i=0;i<3;i++) {
|
|
img_copy(dst->data[i], dst->linesize[i],
|
|
src->data[i], src->linesize[i],
|
|
width, height);
|
|
}
|
|
break;
|
|
case PIX_FMT_YUV422P:
|
|
img_copy(dst->data[0], dst->linesize[0],
|
|
src->data[0], src->linesize[0],
|
|
width, height);
|
|
width >>= 1;
|
|
height >>= 1;
|
|
for(i=1;i<3;i++) {
|
|
shrink2(dst->data[i], dst->linesize[i],
|
|
src->data[i], src->linesize[i],
|
|
width, height);
|
|
}
|
|
break;
|
|
case PIX_FMT_YUV444P:
|
|
img_copy(dst->data[0], dst->linesize[0],
|
|
src->data[0], src->linesize[0],
|
|
width, height);
|
|
width >>= 1;
|
|
height >>= 1;
|
|
for(i=1;i<3;i++) {
|
|
shrink22(dst->data[i], dst->linesize[i],
|
|
src->data[i], src->linesize[i],
|
|
width, height);
|
|
}
|
|
break;
|
|
case PIX_FMT_YUV422:
|
|
yuv422_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
case PIX_FMT_RGB24:
|
|
rgb24_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
case PIX_FMT_RGBA32:
|
|
rgba32_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
case PIX_FMT_BGR24:
|
|
bgr24_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
case PIX_FMT_BGRA32:
|
|
bgra32_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
case PIX_FMT_RGB565:
|
|
rgb565_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
case PIX_FMT_RGB555:
|
|
rgb555_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
/* case PIX_FMT_RGB5551:
|
|
rgb5551_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;*/
|
|
case PIX_FMT_BGR565:
|
|
bgr565_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
case PIX_FMT_BGR555:
|
|
bgr555_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
/* case PIX_FMT_GBR565:
|
|
gbr565_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;
|
|
case PIX_FMT_GBR555:
|
|
gbr555_to_yuv420p(dst->data[0], dst->data[1], dst->data[2],
|
|
src->data[0], width, height);
|
|
break;*/
|
|
default:
|
|
return -1;
|
|
}
|
|
} else if (dst_pix_fmt == PIX_FMT_RGB24) {
|
|
switch(pix_fmt) {
|
|
case PIX_FMT_YUV420P:
|
|
yuv420p_to_rgb24(dst, src, width, height);
|
|
break;
|
|
case PIX_FMT_YUV422P:
|
|
yuv422p_to_rgb24(dst, src, width, height);
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
} else if (dst_pix_fmt == PIX_FMT_RGBA32) {
|
|
switch(pix_fmt) {
|
|
case PIX_FMT_YUV420P:
|
|
yuv420p_to_rgba32(dst, src, width, height);
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
} else if (dst_pix_fmt == PIX_FMT_BGRA32) {
|
|
switch(pix_fmt) {
|
|
case PIX_FMT_YUV420P:
|
|
yuv420p_to_bgra32(dst, src, width, height);
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
} else {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifdef HAVE_MMX
|
|
#define DEINT_INPLACE_LINE_LUM \
|
|
movd_m2r(lum_m4[0],mm0);\
|
|
movd_m2r(lum_m3[0],mm1);\
|
|
movd_m2r(lum_m2[0],mm2);\
|
|
movd_m2r(lum_m1[0],mm3);\
|
|
movd_m2r(lum[0],mm4);\
|
|
punpcklbw_r2r(mm7,mm0);\
|
|
movd_r2m(mm2,lum_m4[0]);\
|
|
punpcklbw_r2r(mm7,mm1);\
|
|
punpcklbw_r2r(mm7,mm2);\
|
|
punpcklbw_r2r(mm7,mm3);\
|
|
punpcklbw_r2r(mm7,mm4);\
|
|
paddw_r2r(mm3,mm1);\
|
|
psllw_i2r(1,mm2);\
|
|
paddw_r2r(mm4,mm0);\
|
|
psllw_i2r(2,mm1);\
|
|
paddw_r2r(mm6,mm2);\
|
|
paddw_r2r(mm2,mm1);\
|
|
psubusw_r2r(mm0,mm1);\
|
|
psrlw_i2r(3,mm1);\
|
|
packuswb_r2r(mm7,mm1);\
|
|
movd_r2m(mm1,lum_m2[0]);
|
|
|
|
#define DEINT_LINE_LUM \
|
|
movd_m2r(lum_m4[0],mm0);\
|
|
movd_m2r(lum_m3[0],mm1);\
|
|
movd_m2r(lum_m2[0],mm2);\
|
|
movd_m2r(lum_m1[0],mm3);\
|
|
movd_m2r(lum[0],mm4);\
|
|
punpcklbw_r2r(mm7,mm0);\
|
|
punpcklbw_r2r(mm7,mm1);\
|
|
punpcklbw_r2r(mm7,mm2);\
|
|
punpcklbw_r2r(mm7,mm3);\
|
|
punpcklbw_r2r(mm7,mm4);\
|
|
paddw_r2r(mm3,mm1);\
|
|
psllw_i2r(1,mm2);\
|
|
paddw_r2r(mm4,mm0);\
|
|
psllw_i2r(2,mm1);\
|
|
paddw_r2r(mm6,mm2);\
|
|
paddw_r2r(mm2,mm1);\
|
|
psubusw_r2r(mm0,mm1);\
|
|
psrlw_i2r(3,mm1);\
|
|
packuswb_r2r(mm7,mm1);\
|
|
movd_r2m(mm1,dst[0]);
|
|
#endif
|
|
|
|
/* filter parameters: [-1 4 2 4 -1] // 8 */
|
|
static void deinterlace_line(UINT8 *dst, UINT8 *lum_m4, UINT8 *lum_m3, UINT8 *lum_m2, UINT8 *lum_m1, UINT8 *lum,
|
|
int size)
|
|
{
|
|
#ifndef HAVE_MMX
|
|
UINT8 *cm = cropTbl + MAX_NEG_CROP;
|
|
int sum;
|
|
|
|
for(;size > 0;size--) {
|
|
sum = -lum_m4[0];
|
|
sum += lum_m3[0] << 2;
|
|
sum += lum_m2[0] << 1;
|
|
sum += lum_m1[0] << 2;
|
|
sum += -lum[0];
|
|
dst[0] = cm[(sum + 4) >> 3];
|
|
lum_m4++;
|
|
lum_m3++;
|
|
lum_m2++;
|
|
lum_m1++;
|
|
lum++;
|
|
dst++;
|
|
}
|
|
#else
|
|
|
|
for (;size > 3; size-=4) {
|
|
DEINT_LINE_LUM
|
|
lum_m4+=4;
|
|
lum_m3+=4;
|
|
lum_m2+=4;
|
|
lum_m1+=4;
|
|
lum+=4;
|
|
dst+=4;
|
|
}
|
|
#endif
|
|
}
|
|
static void deinterlace_line_inplace(UINT8 *lum_m4, UINT8 *lum_m3, UINT8 *lum_m2, UINT8 *lum_m1, UINT8 *lum,
|
|
int size)
|
|
{
|
|
#ifndef HAVE_MMX
|
|
UINT8 *cm = cropTbl + MAX_NEG_CROP;
|
|
int sum;
|
|
|
|
for(;size > 0;size--) {
|
|
sum = -lum_m4[0];
|
|
sum += lum_m3[0] << 2;
|
|
sum += lum_m2[0] << 1;
|
|
lum_m4[0]=lum_m2[0];
|
|
sum += lum_m1[0] << 2;
|
|
sum += -lum[0];
|
|
lum_m2[0] = cm[(sum + 4) >> 3];
|
|
lum_m4++;
|
|
lum_m3++;
|
|
lum_m2++;
|
|
lum_m1++;
|
|
lum++;
|
|
}
|
|
#else
|
|
|
|
for (;size > 3; size-=4) {
|
|
DEINT_INPLACE_LINE_LUM
|
|
lum_m4+=4;
|
|
lum_m3+=4;
|
|
lum_m2+=4;
|
|
lum_m1+=4;
|
|
lum+=4;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The
|
|
top field is copied as is, but the bottom field is deinterlaced
|
|
against the top field. */
|
|
static void deinterlace_bottom_field(UINT8 *dst, int dst_wrap,
|
|
UINT8 *src1, int src_wrap,
|
|
int width, int height)
|
|
{
|
|
UINT8 *src_m2, *src_m1, *src_0, *src_p1, *src_p2;
|
|
int y;
|
|
|
|
src_m2 = src1;
|
|
src_m1 = src1;
|
|
src_0=&src_m1[src_wrap];
|
|
src_p1=&src_0[src_wrap];
|
|
src_p2=&src_p1[src_wrap];
|
|
for(y=0;y<(height-2);y+=2) {
|
|
memcpy(dst,src_m1,width);
|
|
dst += dst_wrap;
|
|
deinterlace_line(dst,src_m2,src_m1,src_0,src_p1,src_p2,width);
|
|
src_m2 = src_0;
|
|
src_m1 = src_p1;
|
|
src_0 = src_p2;
|
|
src_p1 += 2*src_wrap;
|
|
src_p2 += 2*src_wrap;
|
|
dst += dst_wrap;
|
|
}
|
|
memcpy(dst,src_m1,width);
|
|
dst += dst_wrap;
|
|
/* do last line */
|
|
deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width);
|
|
}
|
|
|
|
static void deinterlace_bottom_field_inplace(UINT8 *src1, int src_wrap,
|
|
int width, int height)
|
|
{
|
|
UINT8 *src_m1, *src_0, *src_p1, *src_p2;
|
|
int y;
|
|
UINT8 *buf;
|
|
buf = (UINT8*)av_malloc(width);
|
|
|
|
src_m1 = src1;
|
|
memcpy(buf,src_m1,width);
|
|
src_0=&src_m1[src_wrap];
|
|
src_p1=&src_0[src_wrap];
|
|
src_p2=&src_p1[src_wrap];
|
|
for(y=0;y<(height-2);y+=2) {
|
|
deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width);
|
|
src_m1 = src_p1;
|
|
src_0 = src_p2;
|
|
src_p1 += 2*src_wrap;
|
|
src_p2 += 2*src_wrap;
|
|
}
|
|
/* do last line */
|
|
deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width);
|
|
av_free(buf);
|
|
}
|
|
|
|
|
|
/* deinterlace - if not supported return -1 */
|
|
int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
|
|
int pix_fmt, int width, int height)
|
|
{
|
|
int i;
|
|
|
|
if (pix_fmt != PIX_FMT_YUV420P &&
|
|
pix_fmt != PIX_FMT_YUV422P &&
|
|
pix_fmt != PIX_FMT_YUV444P)
|
|
return -1;
|
|
if ((width & 3) != 0 || (height & 3) != 0)
|
|
return -1;
|
|
|
|
#ifdef HAVE_MMX
|
|
{
|
|
mmx_t rounder;
|
|
rounder.uw[0]=4;
|
|
rounder.uw[1]=4;
|
|
rounder.uw[2]=4;
|
|
rounder.uw[3]=4;
|
|
pxor_r2r(mm7,mm7);
|
|
movq_m2r(rounder,mm6);
|
|
}
|
|
#endif
|
|
|
|
|
|
for(i=0;i<3;i++) {
|
|
if (i == 1) {
|
|
switch(pix_fmt) {
|
|
case PIX_FMT_YUV420P:
|
|
width >>= 1;
|
|
height >>= 1;
|
|
break;
|
|
case PIX_FMT_YUV422P:
|
|
width >>= 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (src == dst) {
|
|
deinterlace_bottom_field_inplace(src->data[i], src->linesize[i],
|
|
width, height);
|
|
} else {
|
|
deinterlace_bottom_field(dst->data[i],dst->linesize[i],
|
|
src->data[i], src->linesize[i],
|
|
width, height);
|
|
}
|
|
}
|
|
#ifdef HAVE_MMX
|
|
emms();
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#undef FIX
|