-/* #define DEBUG */
/* subspic.c, Frame buffer substitution routines */
/* Copyright (C) 1996, MPEG Software Simulation Group. All Rights Reserved. */
*
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-
#include "config.h"
#include "global.h"
/* private prototypes*/
-static void Read_Frame _ANSI_ARGS_((char *filename,
+static void Read_Frame _ANSI_ARGS_((const char *filename,
unsigned char *frame_buffer[], int framenum));
static void Copy_Frame _ANSI_ARGS_((unsigned char *src, unsigned char *dst,
int width, int height, int parity, int incr));
-static int Read_Components _ANSI_ARGS_ ((char *filename,
+static int Read_Components _ANSI_ARGS_ ((const char *filename,
unsigned char *frame[3], int framenum));
static int Read_Component _ANSI_ARGS_ ((char *fname, unsigned char *frame,
int width, int height));
-static int Extract_Components _ANSI_ARGS_ ((char *filename,
+static int Extract_Components _ANSI_ARGS_ ((const char *filename,
unsigned char *frame[3], int framenum));
#ifdef DEBUG
- printf("SUB: seq fn(%d) bitfn(%d) tempref(%d) picstr(%d) type(%d)\n",
+ my_printf("SUB: seq fn(%d) bitfn(%d) tempref(%d) picstr(%d) type(%d)\n",
sequence_framenum, bitstream_framenum, temporal_reference,
picture_structure, picture_coding_type);
#endif
#ifdef DEBUG
else if((picture_coding_type!=B_TYPE)||(picture_coding_type!=D_TYPE))
{
- printf("NO SUBS FOR THIS PICTURE\n");
+ my_printf("NO SUBS FOR THIS PICTURE\n");
}
#endif
}
/* Note: fields are only read to serve as the same-frame reference for
a second field */
static void Read_Frame(fname,frame,framenum)
-char *fname;
+const char *fname;
unsigned char *frame[];
int framenum;
{
int field_mode;
if(framenum<0)
- printf("ERROR: framenum (%d) is less than zero\n", framenum);
+ my_printf("ERROR: framenum (%d) is less than zero\n", framenum);
if(Big_Picture_Flag)
if(rerr!=0)
{
- printf("was unable to substitute frame\n");
+ my_printf("was unable to substitute frame\n");
}
/* now copy to the appropriate buffer */
#ifdef VERBOSE
if(Verbose_Flag > NO_LAYER)
- printf("substituted %s %d\n",
+ my_printf("substituted %s %d\n",
(field_mode ? (parity?"bottom field":"bottom field"):"frame"), framenum);
#endif
}
static int Read_Components(filename, frame, framenum)
-char *filename;
+const char *filename;
unsigned char *frame[3];
int framenum;
{
char outname[FILENAME_LENGTH];
char name[FILENAME_LENGTH];
- sprintf(outname,filename,framenum);
+ my_sprintf(outname,filename,framenum);
- sprintf(name,"%s.Y",outname);
+ my_sprintf(name,"%s.Y",outname);
err += Read_Component(name, frame[0], Coded_Picture_Width,
Coded_Picture_Height);
- sprintf(name,"%s.U",outname);
+ my_sprintf(name,"%s.U",outname);
err += Read_Component(name, frame[1], Chroma_Width, Chroma_Height);
- sprintf(name,"%s.V",outname);
+ my_sprintf(name,"%s.V",outname);
err += Read_Component(name, frame[2], Chroma_Width, Chroma_Height);
return(err);
{
int Size;
int Bytes_Read;
- int Infile;
+ istream Infile;
Size = Width*Height;
#ifdef DEBUG
- printf("SUBS: reading %s\n", filename);
+ my_printf("SUBS: reading %s\n", filename);
#endif
- if(!(Infile=open(Filename,O_RDONLY|O_BINARY))<0)
+ if(!my_fopenr(Filename, "rb", &Infile))
{
- printf("ERROR: unable to open reference filename (%s)\n", Filename);
+ my_printf("ERROR: unable to open reference filename (%s)\n", Filename);
return(-1);
}
- abort();
- Bytes_Read = read(Infile, Frame, Size);
+ /*abort();*/
+ Bytes_Read = my_fread(Frame, Size, 1, &Infile);
if(Bytes_Read!=Size)
{
- printf("was able to read only %d bytes of %d of file %s\n",
+ my_printf("was able to read only %d bytes of %d of file %s\n",
Bytes_Read, Size, Filename);
}
- close(Infile);
+ my_fcloser(&Infile);
return(0);
}
MPEG Committee's syntax validation and conformance ad-hoc groups from
the year 1993 until 1995 */
static int Extract_Components(filename, frame, framenum)
-char *filename;
+const char *filename;
unsigned char *frame[3];
int framenum;
{
/* int err = 0; */
- FILE *fd;
+ istream fd;
int line;
int size, offset;
- abort();
+ /*abort();*/
- if (!(fd = fopen(filename,"rb")))
+ if (!my_fopenr(filename,"rb", &fd))
{
- sprintf(Error_Text,"Couldn't open %s\n",filename);
+ my_sprintf(Error_Text,"Couldn't open %s\n",filename);
return(-1);
}
else if(chroma_format==CHROMA420)
size = ((size*3)>>1);
else
- printf("ERROR: chroma_format (%d) not recognized\n", chroma_format);
+ my_printf("ERROR: chroma_format (%d) not recognized\n", chroma_format);
/* compute distance into "big" file */
offset = size*framenum;
#ifdef DEBUG
- printf("EXTRACTING: frame(%d) offset(%d), size (%d) from %s\n",
+ my_printf("EXTRACTING: frame(%d) offset(%d), size (%d) from %s\n",
framenum, offset, size, filename);
#endif
/* seek to location in big file where desired frame begins */
/* note: this offset cannot exceed a few billion bytes due to the */
/* obvious limitations of 32-bit integers */
- fseek(fd, offset, SEEK_SET);
+ my_fseekr(&fd, offset, SEEK_SET);
/* Y */
for (line=0; line<Coded_Picture_Height; line++)
{
- fread(frame[0]+(line*Coded_Picture_Width),1,Coded_Picture_Width,fd);
+ my_fread(frame[0]+(line*Coded_Picture_Width),1,Coded_Picture_Width,&fd);
}
/* Cb */
for (line=0; line<Chroma_Height; line++)
{
- fread(frame[1]+(line*Chroma_Width),1,Chroma_Width,fd);
+ my_fread(frame[1]+(line*Chroma_Width),1,Chroma_Width,&fd);
}
/* Cr */
for (line=0; line<Chroma_Height; line++)
{
- fread(frame[2]+(line*Chroma_Width),1,Chroma_Width,fd);
+ my_fread(frame[2]+(line*Chroma_Width),1,Chroma_Width,&fd);
}
- fclose(fd);
+ my_fcloser(&fd);
return(0);
}
s = d = 0;
#ifdef DEBUG
- printf("COPYING (w=%d, h=%d, parity=%d, field_mode=%d)\n",
+ my_printf("COPYING (w=%d, h=%d, parity=%d, field_mode=%d)\n",
width,height,parity,field_mode);
#endif /* DEBUG */
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff