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diff -urN mpeg2enc_old/Makefile mpeg2enc/Makefile
--- mpeg2enc_old/Makefile Fri Aug 28 19:07:01 1998
+++ mpeg2enc/Makefile Sat Sep 19 22:22:37 1998
@@ -33,9 +33,9 @@
# GNU gcc
#
CC = gcc
-CFLAGS = -O2 -Wall -g
+CFLAGS = -O6 -malign-double -mcpu=pentiumpro -malign-loops=5 -malign-functions=5 -malign-jumps=5 -Wall
-OBJ = mpeg2enc.o conform.o putseq.o putpic.o puthdr.o putmpg.o putvlc.o putbits.o motion.o predict.o readpic.o writepic.o transfrm.o fdctref.o idct.o quantize.o ratectl.o stats.o
+OBJ = /root/Vstream0.4.5/getframe.o mpeg2enc.o conform.o putseq.o putpic.o puthdr.o putmpg.o putvlc.o putbits.o motion.o predict.o readpic.o writepic.o transfrm.o fdctref.o idct.o quantize.o ratectl.o stats.o
all: mpeg2encode
diff -urN mpeg2enc_old/readpic.c mpeg2enc/readpic.c
--- mpeg2enc_old/readpic.c Sat Jul 20 00:49:30 1996
+++ mpeg2enc/readpic.c Tue Sep 1 03:41:23 1998
@@ -36,6 +36,7 @@
static void read_y_u_v _ANSI_ARGS_((char *fname, unsigned char *frame[]));
static void read_yuv _ANSI_ARGS_((char *fname, unsigned char *frame[]));
static void read_ppm _ANSI_ARGS_((char *fname, unsigned char *frame[]));
+static void read_stream _ANSI_ARGS_((char *fname, unsigned char *frame[]));
static void border_extend _ANSI_ARGS_((unsigned char *frame, int w1, int h1,
int w2, int h2));
static void conv444to422 _ANSI_ARGS_((unsigned char *src, unsigned char *dst));
@@ -56,6 +57,9 @@
case T_PPM:
read_ppm(fname,frame);
break;
+ case 3:
+ read_stream(fname,frame);
+ break;
default:
break;
}
@@ -252,6 +256,105 @@
conv422to420(v422,frame[2]);
}
}
+
+extern unsigned char *getframe(char *fname);
+
+static void read_stream(fname,frame)
+char *fname;
+unsigned char *frame[];
+{
+ int i, j, pix;
+ int r, g, b;
+ double y, u, v;
+ double cr, cg, cb, cu, cv;
+ unsigned char *yp, *up, *vp;
+ static unsigned char *u444, *v444, *u422, *v422;
+ static double coef[7][3] = {
+ {0.2125,0.7154,0.0721}, /* ITU-R Rec. 709 (1990) */
+ {0.299, 0.587, 0.114}, /* unspecified */
+ {0.299, 0.587, 0.114}, /* reserved */
+ {0.30, 0.59, 0.11}, /* FCC */
+ {0.299, 0.587, 0.114}, /* ITU-R Rec. 624-4 System B, G */
+ {0.299, 0.587, 0.114}, /* SMPTE 170M */
+ {0.212, 0.701, 0.087}}; /* SMPTE 240M (1987) */
+ unsigned char *sframe;
+
+ i = matrix_coefficients;
+ if (i>8)
+ i = 3;
+
+ cr = coef[i-1][0];
+ cg = coef[i-1][1];
+ cb = coef[i-1][2];
+ cu = 0.5/(1.0-cb);
+ cv = 0.5/(1.0-cr);
+
+ if (chroma_format==CHROMA444)
+ {
+ u444 = frame[1];
+ v444 = frame[2];
+ }
+ else
+ {
+ if (!u444)
+ {
+ if (!(u444 = (unsigned char *)malloc(width*height)))
+ error("malloc failed");
+ if (!(v444 = (unsigned char *)malloc(width*height)))
+ error("malloc failed");
+ if (chroma_format==CHROMA420)
+ {
+ if (!(u422 = (unsigned char *)malloc((width>>1)*height)))
+ error("malloc failed");
+ if (!(v422 = (unsigned char *)malloc((width>>1)*height)))
+ error("malloc failed");
+ }
+ }
+ }
+
+ sframe=getframe(fname);
+ pix=0;
+
+ for (i=0; i<vertical_size; i++)
+ {
+ yp = frame[0] + i*width;
+ up = u444 + i*width;
+ vp = v444 + i*width;
+
+ for (j=0; j<horizontal_size; j++)
+ {
+ r=sframe[pix++];
+ g=sframe[pix++];
+ b=sframe[pix++];
+ /* convert to YUV */
+ y = cr*r + cg*g + cb*b;
+ u = cu*(b-y);
+ v = cv*(r-y);
+ yp[j] = (219.0/256.0)*y + 16.5; /* nominal range: 16..235 */
+ up[j] = (224.0/256.0)*u + 128.5; /* 16..240 */
+ vp[j] = (224.0/256.0)*v + 128.5; /* 16..240 */
+ }
+ }
+
+ border_extend(frame[0],horizontal_size,vertical_size,width,height);
+ border_extend(u444,horizontal_size,vertical_size,width,height);
+ border_extend(v444,horizontal_size,vertical_size,width,height);
+
+ if (chroma_format==CHROMA422)
+ {
+ conv444to422(u444,frame[1]);
+ conv444to422(v444,frame[2]);
+ }
+
+ if (chroma_format==CHROMA420)
+ {
+ conv444to422(u444,u422);
+ conv444to422(v444,v422);
+ conv422to420(u422,frame[1]);
+ conv422to420(v422,frame[2]);
+ }
+}
+
static void border_extend(frame,w1,h1,w2,h2)
unsigned char *frame;
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