JpegStreamSaver.cpp

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#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>

#include "canon_vbc50i/libCanon/JpegStreamSaver.h"

bool JpegStreamSaver::record(const char * buffer, unsigned int size)
{
        char cstr[16],dstr[16];
        FILE * fp;
        std::string s;
        while (1) {
                sprintf(dstr,"-%08d",counter/1000);
                sprintf(cstr,"/%03d.jpg",counter%1000);
                s = directory+ "/" + base + dstr;
                mkdir(s.c_str(),0775);
                s += cstr;
                fp = fopen(s.c_str(),"r");
                if (fp == NULL) break;
                fprintf(stderr,"Warning: skipping '%s'\n",s.c_str());
                fclose(fp);
                counter += 1;
                if (counter == 0) /* loop */ {
                        counter -= 1;
                        return false;
                }
        }
        fp = fopen(s.c_str(),"w");
        unsigned int rs = fwrite(buffer,size,1,fp);
        fclose(fp);
        counter += 1;
        return (rs == 1);
}