76 行
1.7 KiB
C
76 行
1.7 KiB
C
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/*********************************************
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* Description - VNM Stat, report and identify on VNM
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* files
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*
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* < file.vnm | ./vnmstat
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*
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* Author - Vilyaem
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* Date - Apr 26 2024
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* *******************************************/
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/*----------PREPROCESSOR----------*/
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#include <stdio.h>
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#include <stdlib.h>
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#define IMG 0
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#define AUD 1
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#define VID 2
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/*----------GLOBALS----------*/
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int c;
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int charcnt = 0;
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int framecnt = 0;
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int mode = -1;
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int res = 0;
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/*----------FUNCTIONS----------*/
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/*********************************************
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* Description - Main
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* Author - Vilyaem
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* Date - Apr 26 2024
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* *******************************************/
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int main(void){
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/*Recieve file via STDIN*/
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while(c != EOF){
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c = fgetc(stdin);
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/*Determine the type of file*/
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if(charcnt == 0 && c == 'V'){
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mode = IMG;
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}
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else if(charcnt == 0 && c == 'A'){
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mode = AUD;
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}
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/*Determine if the image is actually a video*/
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if((mode == IMG && charcnt != 0) && (c == 'V' || c == 'A')){
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mode = VID;
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framecnt = 1; /*(counting the first one)*/
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}
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/*Determine resolution*/
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if(mode == IMG && charcnt == 1){
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res = c * 8;
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}
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/*Count up frames*/
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if(mode == VID && c == 'V'){
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framecnt++;
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}
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charcnt++;
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}
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/*Print the results*/
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puts("---VNM STATS---");
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switch(mode){
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case IMG: printf("This is an image, it has %d bytes of data, the resolution is %d.\n",charcnt,res); break;
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case AUD: printf("This is an audio file, it has %d bytes of data.\n",charcnt); break;
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case VID: printf("This is a video, it has %d bytes of data, it has %d frames, the resolution is %d.\n",charcnt,framecnt,res); break;
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default:puts("error: bad file");break;
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}
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return 0;
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}
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