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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/seabios/src/jpeg.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/seabios/src/jpeg.c')
-rw-r--r--qemu/roms/seabios/src/jpeg.c1055
1 files changed, 0 insertions, 1055 deletions
diff --git a/qemu/roms/seabios/src/jpeg.c b/qemu/roms/seabios/src/jpeg.c
deleted file mode 100644
index c2138edab..000000000
--- a/qemu/roms/seabios/src/jpeg.c
+++ /dev/null
@@ -1,1055 +0,0 @@
-/*
- * Copyright (C) 2001, Novell Inc.
- * Copyright (C) 2010 Kevin O'Connor <kevin@koconnor.net>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * 3. Neither the name of Novell nor the names of the contributors may
- * be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-/*
- * a tiny jpeg decoder.
- *
- * written in August 2001 by Michael Schroeder <mls@suse.de>
- *
- */
-
-#define __LITTLE_ENDIAN
-#include "malloc.h"
-#include "string.h"
-#include "util.h"
-#define ISHIFT 11
-
-#define IFIX(a) ((int)((a) * (1 << ISHIFT) + .5))
-#define IMULT(a, b) (((a) * (b)) >> ISHIFT)
-#define ITOINT(a) ((a) >> ISHIFT)
-
-#ifndef __P
-# define __P(x) x
-#endif
-
-/* special markers */
-#define M_BADHUFF -1
-#define M_EOF 0x80
-
-struct in {
- unsigned char *p;
- unsigned int bits;
- int left;
- int marker;
-
- int (*func) __P((void *));
- void *data;
-};
-
-/*********************************/
-struct dec_hufftbl;
-struct enc_hufftbl;
-
-union hufftblp {
- struct dec_hufftbl *dhuff;
- struct enc_hufftbl *ehuff;
-};
-
-struct scan {
- int dc; /* old dc value */
-
- union hufftblp hudc;
- union hufftblp huac;
- int next; /* when to switch to next scan */
-
- int cid; /* component id */
- int hv; /* horiz/vert, copied from comp */
- int tq; /* quant tbl, copied from comp */
-};
-
-/*********************************/
-
-#define DECBITS 10 /* seems to be the optimum */
-
-struct dec_hufftbl {
- int maxcode[17];
- int valptr[16];
- unsigned char vals[256];
- unsigned int llvals[1 << DECBITS];
-};
-
-static void decode_mcus __P((struct in *, int *, int, struct scan *, int *));
-static int dec_readmarker __P((struct in *));
-static void dec_makehuff __P((struct dec_hufftbl *, int *, unsigned char *));
-
-static void setinput __P((struct in *, unsigned char *));
-/*********************************/
-
-#undef PREC
-#define PREC int
-
-static void idctqtab __P((unsigned char *, PREC *));
-static void idct __P((int *, int *, PREC *, PREC, int));
-static void scaleidctqtab __P((PREC *, PREC));
-
-/*********************************/
-
-static void initcol __P((PREC[][64]));
-
-static void col221111 __P((int *, unsigned char *, int));
-static void col221111_16 __P((int *, unsigned char *, int));
-static void col221111_32 __P((int *, unsigned char *, int));
-
-/*********************************/
-
-#define ERR_NO_SOI 1
-#define ERR_NOT_8BIT 2
-#define ERR_HEIGHT_MISMATCH 3
-#define ERR_WIDTH_MISMATCH 4
-#define ERR_BAD_WIDTH_OR_HEIGHT 5
-#define ERR_TOO_MANY_COMPPS 6
-#define ERR_ILLEGAL_HV 7
-#define ERR_QUANT_TABLE_SELECTOR 8
-#define ERR_NOT_YCBCR_221111 9
-#define ERR_UNKNOWN_CID_IN_SCAN 10
-#define ERR_NOT_SEQUENTIAL_DCT 11
-#define ERR_WRONG_MARKER 12
-#define ERR_NO_EOI 13
-#define ERR_BAD_TABLES 14
-#define ERR_DEPTH_MISMATCH 15
-
-/*********************************/
-
-#define M_SOI 0xd8
-#define M_APP0 0xe0
-#define M_DQT 0xdb
-#define M_SOF0 0xc0
-#define M_DHT 0xc4
-#define M_DRI 0xdd
-#define M_SOS 0xda
-#define M_RST0 0xd0
-#define M_EOI 0xd9
-#define M_COM 0xfe
-
-struct comp {
- int cid;
- int hv;
- int tq;
-};
-
-#define MAXCOMP 4
-struct jpginfo {
- int nc; /* number of components */
- int ns; /* number of scans */
- int dri; /* restart interval */
- int nm; /* mcus til next marker */
- int rm; /* next restart marker */
-};
-
-struct jpeg_decdata {
- int dcts[6 * 64 + 16];
- int out[64 * 6];
- int dquant[3][64];
-
- unsigned char *datap;
- struct jpginfo info;
- struct comp comps[MAXCOMP];
- struct scan dscans[MAXCOMP];
- unsigned char quant[4][64];
- struct dec_hufftbl dhuff[4];
- struct in in;
-
- int height, width;
-};
-
-static int getbyte(struct jpeg_decdata *jpeg)
-{
- return *jpeg->datap++;
-}
-
-static int getword(struct jpeg_decdata *jpeg)
-{
- int c1, c2;
- c1 = *jpeg->datap++;
- c2 = *jpeg->datap++;
- return c1 << 8 | c2;
-}
-
-static int readtables(struct jpeg_decdata *jpeg, int till)
-{
- int m, l, i, j, lq, pq, tq;
- int tc, th, tt;
-
- for (;;) {
- if (getbyte(jpeg) != 0xff)
- return -1;
- if ((m = getbyte(jpeg)) == till)
- break;
-
- switch (m) {
- case 0xc2:
- return 0;
-
- case M_DQT:
- lq = getword(jpeg);
- while (lq > 2) {
- pq = getbyte(jpeg);
- tq = pq & 15;
- if (tq > 3)
- return -1;
- pq >>= 4;
- if (pq != 0)
- return -1;
- for (i = 0; i < 64; i++)
- jpeg->quant[tq][i] = getbyte(jpeg);
- lq -= 64 + 1;
- }
- break;
-
- case M_DHT:
- l = getword(jpeg);
- while (l > 2) {
- int hufflen[16], k;
- unsigned char huffvals[256];
-
- tc = getbyte(jpeg);
- th = tc & 15;
- tc >>= 4;
- tt = tc * 2 + th;
- if (tc > 1 || th > 1)
- return -1;
- for (i = 0; i < 16; i++)
- hufflen[i] = getbyte(jpeg);
- l -= 1 + 16;
- k = 0;
- for (i = 0; i < 16; i++) {
- for (j = 0; j < hufflen[i]; j++)
- huffvals[k++] = getbyte(jpeg);
- l -= hufflen[i];
- }
- dec_makehuff(jpeg->dhuff + tt, hufflen, huffvals);
- }
- break;
-
- case M_DRI:
- l = getword(jpeg);
- jpeg->info.dri = getword(jpeg);
- break;
-
- default:
- l = getword(jpeg);
- while (l-- > 2)
- getbyte(jpeg);
- break;
- }
- }
- return 0;
-}
-
-static void dec_initscans(struct jpeg_decdata *jpeg)
-{
- int i;
-
- jpeg->info.nm = jpeg->info.dri + 1;
- jpeg->info.rm = M_RST0;
- for (i = 0; i < jpeg->info.ns; i++)
- jpeg->dscans[i].dc = 0;
-}
-
-static int dec_checkmarker(struct jpeg_decdata *jpeg)
-{
- int i;
-
- if (dec_readmarker(&jpeg->in) != jpeg->info.rm)
- return -1;
- jpeg->info.nm = jpeg->info.dri;
- jpeg->info.rm = (jpeg->info.rm + 1) & ~0x08;
- for (i = 0; i < jpeg->info.ns; i++)
- jpeg->dscans[i].dc = 0;
- return 0;
-}
-
-struct jpeg_decdata *jpeg_alloc(void)
-{
- struct jpeg_decdata *jpeg = malloc_tmphigh(sizeof(*jpeg));
- return jpeg;
-}
-
-int jpeg_decode(struct jpeg_decdata *jpeg, unsigned char *buf)
-{
- int i, j, m, tac, tdc;
-
- if (!jpeg || !buf)
- return -1;
- jpeg->datap = buf;
- if (getbyte(jpeg) != 0xff)
- return ERR_NO_SOI;
- if (getbyte(jpeg) != M_SOI)
- return ERR_NO_SOI;
- if (readtables(jpeg, M_SOF0))
- return ERR_BAD_TABLES;
- getword(jpeg);
- i = getbyte(jpeg);
- if (i != 8)
- return ERR_NOT_8BIT;
- jpeg->height = getword(jpeg);
- jpeg->width = getword(jpeg);
- if ((jpeg->height & 15) || (jpeg->width & 15))
- return ERR_BAD_WIDTH_OR_HEIGHT;
- jpeg->info.nc = getbyte(jpeg);
- if (jpeg->info.nc > MAXCOMP)
- return ERR_TOO_MANY_COMPPS;
- for (i = 0; i < jpeg->info.nc; i++) {
- int h, v;
- jpeg->comps[i].cid = getbyte(jpeg);
- jpeg->comps[i].hv = getbyte(jpeg);
- v = jpeg->comps[i].hv & 15;
- h = jpeg->comps[i].hv >> 4;
- jpeg->comps[i].tq = getbyte(jpeg);
- if (h > 3 || v > 3)
- return ERR_ILLEGAL_HV;
- if (jpeg->comps[i].tq > 3)
- return ERR_QUANT_TABLE_SELECTOR;
- }
- if (readtables(jpeg, M_SOS))
- return ERR_BAD_TABLES;
- getword(jpeg);
- jpeg->info.ns = getbyte(jpeg);
- if (jpeg->info.ns != 3)
- return ERR_NOT_YCBCR_221111;
- for (i = 0; i < 3; i++) {
- jpeg->dscans[i].cid = getbyte(jpeg);
- tdc = getbyte(jpeg);
- tac = tdc & 15;
- tdc >>= 4;
- if (tdc > 1 || tac > 1)
- return ERR_QUANT_TABLE_SELECTOR;
- for (j = 0; j < jpeg->info.nc; j++)
- if (jpeg->comps[j].cid == jpeg->dscans[i].cid)
- break;
- if (j == jpeg->info.nc)
- return ERR_UNKNOWN_CID_IN_SCAN;
- jpeg->dscans[i].hv = jpeg->comps[j].hv;
- jpeg->dscans[i].tq = jpeg->comps[j].tq;
- jpeg->dscans[i].hudc.dhuff = &jpeg->dhuff[tdc];
- jpeg->dscans[i].huac.dhuff = &jpeg->dhuff[2 + tac];
- }
-
- i = getbyte(jpeg);
- j = getbyte(jpeg);
- m = getbyte(jpeg);
-
- if (i != 0 || j != 63 || m != 0)
- return ERR_NOT_SEQUENTIAL_DCT;
-
- if (jpeg->dscans[0].cid != 1 || jpeg->dscans[1].cid != 2
- || jpeg->dscans[2].cid != 3)
- return ERR_NOT_YCBCR_221111;
-
- if (jpeg->dscans[0].hv != 0x22 || jpeg->dscans[1].hv != 0x11
- || jpeg->dscans[2].hv != 0x11)
- return ERR_NOT_YCBCR_221111;
-
- idctqtab(jpeg->quant[jpeg->dscans[0].tq], jpeg->dquant[0]);
- idctqtab(jpeg->quant[jpeg->dscans[1].tq], jpeg->dquant[1]);
- idctqtab(jpeg->quant[jpeg->dscans[2].tq], jpeg->dquant[2]);
- initcol(jpeg->dquant);
- setinput(&jpeg->in, jpeg->datap);
-
-#if 0
- /* landing zone */
- img[len] = 0;
- img[len + 1] = 0xff;
- img[len + 2] = M_EOF;
-#endif
-
- dec_initscans(jpeg);
-
- return 0;
-}
-
-void jpeg_get_size(struct jpeg_decdata *jpeg, int *width, int *height)
-{
- *width = jpeg->width;
- *height = jpeg->height;
-}
-
-int jpeg_show(struct jpeg_decdata *jpeg, unsigned char *pic, int width
- , int height, int depth, int bytes_per_line_dest)
-{
- int m, mcusx, mcusy, mx, my, mloffset, jpgbpl;
- int max[6];
-
- if (jpeg->height != height)
- return ERR_HEIGHT_MISMATCH;
- if (jpeg->width != width)
- return ERR_WIDTH_MISMATCH;
-
- jpgbpl = width * depth / 8;
- mloffset = bytes_per_line_dest > jpgbpl ? bytes_per_line_dest : jpgbpl;
-
- mcusx = jpeg->width >> 4;
- mcusy = jpeg->height >> 4;
-
- jpeg->dscans[0].next = 6 - 4;
- jpeg->dscans[1].next = 6 - 4 - 1;
- jpeg->dscans[2].next = 6 - 4 - 1 - 1; /* 411 encoding */
- for (my = 0; my < mcusy; my++) {
- for (mx = 0; mx < mcusx; mx++) {
- if (jpeg->info.dri && !--jpeg->info.nm)
- if (dec_checkmarker(jpeg))
- return ERR_WRONG_MARKER;
-
- decode_mcus(&jpeg->in, jpeg->dcts, 6, jpeg->dscans, max);
- idct(jpeg->dcts, jpeg->out, jpeg->dquant[0],
- IFIX(128.5), max[0]);
- idct(jpeg->dcts + 64, jpeg->out + 64, jpeg->dquant[0],
- IFIX(128.5), max[1]);
- idct(jpeg->dcts + 128, jpeg->out + 128, jpeg->dquant[0],
- IFIX(128.5), max[2]);
- idct(jpeg->dcts + 192, jpeg->out + 192, jpeg->dquant[0],
- IFIX(128.5), max[3]);
- idct(jpeg->dcts + 256, jpeg->out + 256, jpeg->dquant[1],
- IFIX(0.5), max[4]);
- idct(jpeg->dcts + 320, jpeg->out + 320, jpeg->dquant[2],
- IFIX(0.5), max[5]);
-
- switch (depth) {
- case 32:
- col221111_32(jpeg->out,
- pic + (my * 16 * mloffset + mx * 16 * 4),
- mloffset);
- break;
- case 24:
- col221111(jpeg->out,
- pic + (my * 16 * mloffset + mx * 16 * 3),
- mloffset);
- break;
- case 16:
- col221111_16(jpeg->out,
- pic + (my * 16 * mloffset + mx * 16 * 2),
- mloffset);
- break;
- default:
- return ERR_DEPTH_MISMATCH;
- break;
- }
- }
- }
-
- m = dec_readmarker(&jpeg->in);
- if (m != M_EOI)
- return ERR_NO_EOI;
-
- return 0;
-}
-
-/****************************************************************/
-/************** huffman decoder ***************/
-/****************************************************************/
-
-static int fillbits __P((struct in *, int, unsigned int));
-static int dec_rec2 __P((struct in *, struct dec_hufftbl *, int *, int, int));
-
-static void setinput(struct in *in, unsigned char *p)
-{
- in->p = p;
- in->left = 0;
- in->bits = 0;
- in->marker = 0;
-}
-
-static int fillbits(struct in *in, int le, unsigned int bi)
-{
- int b, m;
-
- if (in->marker) {
- if (le <= 16)
- in->bits = bi << 16, le += 16;
- return le;
- }
- while (le <= 24) {
- b = *in->p++;
- if (b == 0xff && (m = *in->p++) != 0) {
- if (m == M_EOF) {
- if (in->func && (m = in->func(in->data)) == 0)
- continue;
- }
- in->marker = m;
- if (le <= 16)
- bi = bi << 16, le += 16;
- break;
- }
- bi = bi << 8 | b;
- le += 8;
- }
- in->bits = bi; /* tmp... 2 return values needed */
- return le;
-}
-
-static int dec_readmarker(struct in *in)
-{
- int m;
-
- in->left = fillbits(in, in->left, in->bits);
- if ((m = in->marker) == 0)
- return 0;
- in->left = 0;
- in->marker = 0;
- return m;
-}
-
-#define LEBI_DCL int le, bi
-#define LEBI_GET(in) (le = in->left, bi = in->bits)
-#define LEBI_PUT(in) (in->left = le, in->bits = bi)
-
-#define GETBITS(in, n) ( \
- (le < (n) ? le = fillbits(in, le, bi), bi = in->bits : 0), \
- (le -= (n)), \
- bi >> le & ((1 << (n)) - 1) \
-)
-
-#define UNGETBITS(in, n) ( \
- le += (n) \
-)
-
-
-static int dec_rec2(struct in *in, struct dec_hufftbl *hu, int *runp,
- int c, int i)
-{
- LEBI_DCL;
-
- LEBI_GET(in);
- if (i) {
- UNGETBITS(in, i & 127);
- *runp = i >> 8 & 15;
- i >>= 16;
- } else {
- for (i = DECBITS;
- (c = ((c << 1) | GETBITS(in, 1))) >= (hu->maxcode[i]); i++);
- if (i >= 16) {
- in->marker = M_BADHUFF;
- return 0;
- }
- i = hu->vals[hu->valptr[i] + c - hu->maxcode[i - 1] * 2];
- *runp = i >> 4;
- i &= 15;
- }
- if (i == 0) { /* sigh, 0xf0 is 11 bit */
- LEBI_PUT(in);
- return 0;
- }
- /* receive part */
- c = GETBITS(in, i);
- if (c < (1 << (i - 1)))
- c += (-1 << i) + 1;
- LEBI_PUT(in);
- return c;
-}
-
-#define DEC_REC(in, hu, r, i) ( \
- r = GETBITS(in, DECBITS), \
- i = hu->llvals[r], \
- i & 128 ? \
- ( \
- UNGETBITS(in, i & 127), \
- r = i >> 8 & 15, \
- i >> 16 \
- ) \
- : \
- ( \
- LEBI_PUT(in), \
- i = dec_rec2(in, hu, &r, r, i), \
- LEBI_GET(in), \
- i \
- ) \
-)
-
-static void decode_mcus(struct in *in, int *dct, int n, struct scan *sc,
- int *maxp)
-{
- struct dec_hufftbl *hu;
- int i, r, t;
- LEBI_DCL;
-
- memset(dct, 0, n * 64 * sizeof(*dct));
- LEBI_GET(in);
- while (n-- > 0) {
- hu = sc->hudc.dhuff;
- *dct++ = (sc->dc += DEC_REC(in, hu, r, t));
-
- hu = sc->huac.dhuff;
- i = 63;
- while (i > 0) {
- t = DEC_REC(in, hu, r, t);
- if (t == 0 && r == 0) {
- dct += i;
- break;
- }
- dct += r;
- *dct++ = t;
- i -= r + 1;
- }
- *maxp++ = 64 - i;
- if (n == sc->next)
- sc++;
- }
- LEBI_PUT(in);
-}
-
-static void dec_makehuff(struct dec_hufftbl *hu, int *hufflen,
- unsigned char *huffvals)
-{
- int code, k, i, j, d, x, c, v;
- for (i = 0; i < (1 << DECBITS); i++)
- hu->llvals[i] = 0;
-
- /*
- * llvals layout:
- *
- * value v already known, run r, backup u bits:
- * vvvvvvvvvvvvvvvv 0000 rrrr 1 uuuuuuu
- * value unknown, size b bits, run r, backup u bits:
- * 000000000000bbbb 0000 rrrr 0 uuuuuuu
- * value and size unknown:
- * 0000000000000000 0000 0000 0 0000000
- */
-
- code = 0;
- k = 0;
- for (i = 0; i < 16; i++, code <<= 1) { /* sizes */
- hu->valptr[i] = k;
- for (j = 0; j < hufflen[i]; j++) {
- hu->vals[k] = *huffvals++;
- if (i < DECBITS) {
- c = code << (DECBITS - 1 - i);
- v = hu->vals[k] & 0x0f; /* size */
- for (d = 1 << (DECBITS - 1 - i); --d >= 0;) {
- if (v + i < DECBITS) { /* both fit in table */
- x = d >> (DECBITS - 1 - v - i);
- if (v && x < (1 << (v - 1)))
- x += (-1 << v) + 1;
- x = x << 16 | (hu->vals[k] & 0xf0) << 4 |
- (DECBITS - (i + 1 + v)) | 128;
- } else
- x = v << 16 | (hu->vals[k] & 0xf0) << 4 |
- (DECBITS - (i + 1));
- hu->llvals[c | d] = x;
- }
- }
- code++;
- k++;
- }
- hu->maxcode[i] = code;
- }
- hu->maxcode[16] = 0x20000; /* always terminate decode */
-}
-
-/****************************************************************/
-/************** idct ***************/
-/****************************************************************/
-
-#define ONE ((PREC)IFIX(1.))
-#define S2 ((PREC)IFIX(0.382683432))
-#define C2 ((PREC)IFIX(0.923879532))
-#define C4 ((PREC)IFIX(0.707106781))
-
-#define S22 ((PREC)IFIX(2 * 0.382683432))
-#define C22 ((PREC)IFIX(2 * 0.923879532))
-#define IC4 ((PREC)IFIX(1 / 0.707106781))
-
-#define C3IC1 ((PREC)IFIX(0.847759065)) /* c3/c1 */
-#define C5IC1 ((PREC)IFIX(0.566454497)) /* c5/c1 */
-#define C7IC1 ((PREC)IFIX(0.198912367)) /* c7/c1 */
-
-#define XPP(a,b) (t = a + b, b = a - b, a = t)
-#define XMP(a,b) (t = a - b, b = a + b, a = t)
-#define XPM(a,b) (t = a + b, b = b - a, a = t)
-
-#define ROT(a,b,s,c) ( t = IMULT(a + b, s), \
- a = IMULT(a, c - s) + t, \
- b = IMULT(b, c + s) - t)
-
-#define IDCT \
-( \
- XPP(t0, t1), \
- XMP(t2, t3), \
- t2 = IMULT(t2, IC4) - t3, \
- XPP(t0, t3), \
- XPP(t1, t2), \
- XMP(t4, t7), \
- XPP(t5, t6), \
- XMP(t5, t7), \
- t5 = IMULT(t5, IC4), \
- ROT(t4, t6, S22, C22), \
- t6 -= t7, \
- t5 -= t6, \
- t4 -= t5, \
- XPP(t0, t7), \
- XPP(t1, t6), \
- XPP(t2, t5), \
- XPP(t3, t4) \
-)
-
-static unsigned char zig2[64] = {
- 0, 2, 3, 9, 10, 20, 21, 35,
- 14, 16, 25, 31, 39, 46, 50, 57,
- 5, 7, 12, 18, 23, 33, 37, 48,
- 27, 29, 41, 44, 52, 55, 59, 62,
- 15, 26, 30, 40, 45, 51, 56, 58,
- 1, 4, 8, 11, 19, 22, 34, 36,
- 28, 42, 43, 53, 54, 60, 61, 63,
- 6, 13, 17, 24, 32, 38, 47, 49
-};
-
-static void idct(int *in, int *out, PREC * quant, PREC off, int max)
-{
- PREC t0, t1, t2, t3, t4, t5, t6, t7, t;
- PREC tmp[64], *tmpp;
- int i, j;
- unsigned char *zig2p;
-
- t0 = off;
- if (max == 1) {
- t0 += in[0] * quant[0];
- for (i = 0; i < 64; i++)
- out[i] = ITOINT(t0);
- return;
- }
- zig2p = zig2;
- tmpp = tmp;
- for (i = 0; i < 8; i++) {
- j = *zig2p++;
- t0 += in[j] * quant[j];
- j = *zig2p++;
- t5 = in[j] * quant[j];
- j = *zig2p++;
- t2 = in[j] * quant[j];
- j = *zig2p++;
- t7 = in[j] * quant[j];
- j = *zig2p++;
- t1 = in[j] * quant[j];
- j = *zig2p++;
- t4 = in[j] * quant[j];
- j = *zig2p++;
- t3 = in[j] * quant[j];
- j = *zig2p++;
- t6 = in[j] * quant[j];
- IDCT;
- tmpp[0 * 8] = t0;
- tmpp[1 * 8] = t1;
- tmpp[2 * 8] = t2;
- tmpp[3 * 8] = t3;
- tmpp[4 * 8] = t4;
- tmpp[5 * 8] = t5;
- tmpp[6 * 8] = t6;
- tmpp[7 * 8] = t7;
- tmpp++;
- t0 = 0;
- }
- for (i = 0; i < 8; i++) {
- t0 = tmp[8 * i + 0];
- t1 = tmp[8 * i + 1];
- t2 = tmp[8 * i + 2];
- t3 = tmp[8 * i + 3];
- t4 = tmp[8 * i + 4];
- t5 = tmp[8 * i + 5];
- t6 = tmp[8 * i + 6];
- t7 = tmp[8 * i + 7];
- IDCT;
- out[8 * i + 0] = ITOINT(t0);
- out[8 * i + 1] = ITOINT(t1);
- out[8 * i + 2] = ITOINT(t2);
- out[8 * i + 3] = ITOINT(t3);
- out[8 * i + 4] = ITOINT(t4);
- out[8 * i + 5] = ITOINT(t5);
- out[8 * i + 6] = ITOINT(t6);
- out[8 * i + 7] = ITOINT(t7);
- }
-}
-
-static unsigned char zig[64] = {
- 0, 1, 5, 6, 14, 15, 27, 28,
- 2, 4, 7, 13, 16, 26, 29, 42,
- 3, 8, 12, 17, 25, 30, 41, 43,
- 9, 11, 18, 24, 31, 40, 44, 53,
- 10, 19, 23, 32, 39, 45, 52, 54,
- 20, 22, 33, 38, 46, 51, 55, 60,
- 21, 34, 37, 47, 50, 56, 59, 61,
- 35, 36, 48, 49, 57, 58, 62, 63
-};
-
-static PREC aaidct[8] = {
- IFIX(0.3535533906), IFIX(0.4903926402),
- IFIX(0.4619397663), IFIX(0.4157348062),
- IFIX(0.3535533906), IFIX(0.2777851165),
- IFIX(0.1913417162), IFIX(0.0975451610)
-};
-
-
-static void idctqtab(unsigned char *qin, PREC * qout)
-{
- int i, j;
-
- for (i = 0; i < 8; i++)
- for (j = 0; j < 8; j++)
- qout[zig[i * 8 + j]] = qin[zig[i * 8 + j]] *
- IMULT(aaidct[i], aaidct[j]);
-}
-
-static void scaleidctqtab(PREC * q, PREC sc)
-{
- int i;
-
- for (i = 0; i < 64; i++)
- q[i] = IMULT(q[i], sc);
-}
-
-/****************************************************************/
-/************** color decoder ***************/
-/****************************************************************/
-
-#define ROUND
-
-/*
- * YCbCr Color transformation:
- *
- * y:0..255 Cb:-128..127 Cr:-128..127
- *
- * R = Y + 1.40200 * Cr
- * G = Y - 0.34414 * Cb - 0.71414 * Cr
- * B = Y + 1.77200 * Cb
- *
- * =>
- * Cr *= 1.40200;
- * Cb *= 1.77200;
- * Cg = 0.19421 * Cb + .50937 * Cr;
- * R = Y + Cr;
- * G = Y - Cg;
- * B = Y + Cb;
- *
- * =>
- * Cg = (50 * Cb + 130 * Cr + 128) >> 8;
- */
-
-static void initcol(PREC q[][64])
-{
- scaleidctqtab(q[1], IFIX(1.77200));
- scaleidctqtab(q[2], IFIX(1.40200));
-}
-
-/* This is optimized for the stupid sun SUNWspro compiler. */
-#define STORECLAMP(a,x) \
-( \
- (a) = (x), \
- (unsigned int)(x) >= 256 ? \
- ((a) = (x) < 0 ? 0 : 255) \
- : \
- 0 \
-)
-
-#define CLAMP(x) ((unsigned int)(x) >= 256 ? ((x) < 0 ? 0 : 255) : (x))
-
-#ifdef ROUND
-
-#define CBCRCG(yin, xin) \
-( \
- cb = outc[0 +yin*8+xin], \
- cr = outc[64+yin*8+xin], \
- cg = (50 * cb + 130 * cr + 128) >> 8 \
-)
-
-#else
-
-#define CBCRCG(yin, xin) \
-( \
- cb = outc[0 +yin*8+xin], \
- cr = outc[64+yin*8+xin], \
- cg = (3 * cb + 8 * cr) >> 4 \
-)
-
-#endif
-
-#ifdef __LITTLE_ENDIAN
-#define PIC(yin, xin, p, xout) \
-( \
- y = outy[(yin) * 8 + xin], \
- STORECLAMP(p[(xout) * 3 + 2], y + cr), \
- STORECLAMP(p[(xout) * 3 + 1], y - cg), \
- STORECLAMP(p[(xout) * 3 + 0], y + cb) \
-)
-#else
-#define PIC(yin, xin, p, xout) \
-( \
- y = outy[(yin) * 8 + xin], \
- STORECLAMP(p[(xout) * 3 + 0], y + cr), \
- STORECLAMP(p[(xout) * 3 + 1], y - cg), \
- STORECLAMP(p[(xout) * 3 + 2], y + cb) \
-)
-#endif
-
-#ifdef __LITTLE_ENDIAN
-#define PIC_16(yin, xin, p, xout, add) \
-( \
- y = outy[(yin) * 8 + xin], \
- y = ((CLAMP(y + cr + add*2+1) & 0xf8) << 8) | \
- ((CLAMP(y - cg + add ) & 0xfc) << 3) | \
- ((CLAMP(y + cb + add*2+1) ) >> 3), \
- p[(xout) * 2 + 0] = y & 0xff, \
- p[(xout) * 2 + 1] = y >> 8 \
-)
-#else
-#ifdef CONFIG_PPC
-#define PIC_16(yin, xin, p, xout, add) \
-( \
- y = outy[(yin) * 8 + xin], \
- y = ((CLAMP(y + cr + add*2+1) & 0xf8) << 7) | \
- ((CLAMP(y - cg + add*2+1) & 0xf8) << 2) | \
- ((CLAMP(y + cb + add*2+1) ) >> 3), \
- p[(xout) * 2 + 0] = y >> 8, \
- p[(xout) * 2 + 1] = y & 0xff \
-)
-#else
-#define PIC_16(yin, xin, p, xout, add) \
-( \
- y = outy[(yin) * 8 + xin], \
- y = ((CLAMP(y + cr + add*2+1) & 0xf8) << 8) | \
- ((CLAMP(y - cg + add ) & 0xfc) << 3) | \
- ((CLAMP(y + cb + add*2+1) ) >> 3), \
- p[(xout) * 2 + 0] = y >> 8, \
- p[(xout) * 2 + 1] = y & 0xff \
-)
-#endif
-#endif
-
-#define PIC_32(yin, xin, p, xout) \
-( \
- y = outy[(yin) * 8 + xin], \
- STORECLAMP(p[(xout) * 4 + 0], y + cr), \
- STORECLAMP(p[(xout) * 4 + 1], y - cg), \
- STORECLAMP(p[(xout) * 4 + 2], y + cb), \
- p[(xout) * 4 + 3] = 0 \
-)
-
-#define PIC221111(xin) \
-( \
- CBCRCG(0, xin), \
- PIC(xin / 4 * 8 + 0, (xin & 3) * 2 + 0, pic0, xin * 2 + 0), \
- PIC(xin / 4 * 8 + 0, (xin & 3) * 2 + 1, pic0, xin * 2 + 1), \
- PIC(xin / 4 * 8 + 1, (xin & 3) * 2 + 0, pic1, xin * 2 + 0), \
- PIC(xin / 4 * 8 + 1, (xin & 3) * 2 + 1, pic1, xin * 2 + 1) \
-)
-
-#define PIC221111_16(xin) \
-( \
- CBCRCG(0, xin), \
- PIC_16(xin / 4 * 8 + 0, (xin & 3) * 2 + 0, pic0, xin * 2 + 0, 3), \
- PIC_16(xin / 4 * 8 + 0, (xin & 3) * 2 + 1, pic0, xin * 2 + 1, 0), \
- PIC_16(xin / 4 * 8 + 1, (xin & 3) * 2 + 0, pic1, xin * 2 + 0, 1), \
- PIC_16(xin / 4 * 8 + 1, (xin & 3) * 2 + 1, pic1, xin * 2 + 1, 2) \
-)
-
-#define PIC221111_32(xin) \
-( \
- CBCRCG(0, xin), \
- PIC_32(xin / 4 * 8 + 0, (xin & 3) * 2 + 0, pic0, xin * 2 + 0), \
- PIC_32(xin / 4 * 8 + 0, (xin & 3) * 2 + 1, pic0, xin * 2 + 1), \
- PIC_32(xin / 4 * 8 + 1, (xin & 3) * 2 + 0, pic1, xin * 2 + 0), \
- PIC_32(xin / 4 * 8 + 1, (xin & 3) * 2 + 1, pic1, xin * 2 + 1) \
-)
-
-static void col221111(int *out, unsigned char *pic, int width)
-{
- int i, j, k;
- unsigned char *pic0, *pic1;
- int *outy, *outc;
- int cr, cg, cb, y;
-
- pic0 = pic;
- pic1 = pic + width;
- outy = out;
- outc = out + 64 * 4;
- for (i = 2; i > 0; i--) {
- for (j = 4; j > 0; j--) {
- for (k = 0; k < 8; k++) {
- PIC221111(k);
- }
- outc += 8;
- outy += 16;
- pic0 += 2 * width;
- pic1 += 2 * width;
- }
- outy += 64 * 2 - 16 * 4;
- }
-}
-
-static void col221111_16(int *out, unsigned char *pic, int width)
-{
- int i, j, k;
- unsigned char *pic0, *pic1;
- int *outy, *outc;
- int cr, cg, cb, y;
-
- pic0 = pic;
- pic1 = pic + width;
- outy = out;
- outc = out + 64 * 4;
- for (i = 2; i > 0; i--) {
- for (j = 4; j > 0; j--) {
- for (k = 0; k < 8; k++) {
- PIC221111_16(k);
- }
- outc += 8;
- outy += 16;
- pic0 += 2 * width;
- pic1 += 2 * width;
- }
- outy += 64 * 2 - 16 * 4;
- }
-}
-
-static void col221111_32(int *out, unsigned char *pic, int width)
-{
- int i, j, k;
- unsigned char *pic0, *pic1;
- int *outy, *outc;
- int cr, cg, cb, y;
-
- pic0 = pic;
- pic1 = pic + width;
- outy = out;
- outc = out + 64 * 4;
- for (i = 2; i > 0; i--) {
- for (j = 4; j > 0; j--) {
- for (k = 0; k < 8; k++) {
- PIC221111_32(k);
- }
- outc += 8;
- outy += 16;
- pic0 += 2 * width;
- pic1 += 2 * width;
- }
- outy += 64 * 2 - 16 * 4;
- }
-}