?? rlib.c
字號(hào):
#include "rlib.h"#include "owntypes.h"int ReadQCIF(FILE *f, struct qcif *qc){ struct qcif8bit source; int i; int file_err; unsigned int *ud; unsigned char *us; file_err = fread(&source, sizeof(source), 1, f); if(file_err != 1) return FALSE; us = &source.Y[0][0]; ud = &qc->Y[0][0]; for(i = 0; i < QCIF_YWIDTH*QCIF_YHEIGHT; i++) *ud++ = (unsigned int) *us++; us = &source.U[0][0]; ud = &qc->U[0][0]; for(; i < QCIF_YWIDTH*QCIF_YHEIGHT + QCIF_UWIDTH*QCIF_UHEIGHT + QCIF_VWIDTH*QCIF_VHEIGHT; i++) *ud++ = (signed int) *us++; return TRUE;}int ReadCIF(FILE *f, struct cif *qc){ struct cif8bit source; int i; int file_err; unsigned int *ud; unsigned char *us; file_err = fread(&source, sizeof(source), 1, f); if(file_err != 1) return FALSE; us = &source.Y[0][0]; ud = &qc->Y[0][0]; for(i = 0; i < CIF_YWIDTH*CIF_YHEIGHT; i++) *ud++ = (unsigned int) *us++; us = &source.U[0][0]; ud = &qc->U[0][0]; for(; i < CIF_YWIDTH*CIF_YHEIGHT + CIF_UWIDTH*CIF_UHEIGHT + CIF_VWIDTH*CIF_VHEIGHT; i++) *ud++ = (signed int) *us++; return TRUE;}int WriteQCIF(FILE *f, struct qcif *qc){ struct qcif8bit dest; int i; int file_err; unsigned char *ud; unsigned int *us; us = &qc->Y[0][0]; ud = &dest.Y[0][0]; for(i = 0; i < QCIF_YWIDTH*QCIF_YHEIGHT; i++) *ud++ = (unsigned char) *us++; us = &qc->U[0][0]; ud = &dest.U[0][0]; for(; i < QCIF_YWIDTH*QCIF_YHEIGHT + QCIF_UWIDTH*QCIF_UHEIGHT + QCIF_VWIDTH*QCIF_VHEIGHT; i++) *ud++ = (unsigned char) *us++; file_err = fwrite(&dest, sizeof(dest), 1, f); return (file_err == 1);}int WriteCIF(FILE *f, struct cif *qc){ struct cif8bit dest; int i; int file_err; unsigned char *ud; unsigned int *us; us = &qc->Y[0][0]; ud = &dest.Y[0][0]; for(i = 0; i < CIF_YWIDTH*CIF_YHEIGHT; i++) *ud++ = (unsigned char) *us++; us = &qc->U[0][0]; ud = &dest.U[0][0]; for(; i < CIF_YWIDTH*CIF_YHEIGHT + CIF_UWIDTH*CIF_UHEIGHT + CIF_VWIDTH*CIF_VHEIGHT; i++) *ud++ = (unsigned char) *us++; file_err = fwrite(&dest, sizeof(dest), 1, f); return (file_err == 1);}?? 快捷鍵說(shuō)明
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