/*
* libZPlay example
*
* Reverse playing
*
*/

#include <windows.h>
#include <stdio.h>
#include <conio.h>

#include "libzplay.h"

using namespace libZPlay;

int main(int argc, char **argv)
{
    printf("Reverse playing test.mp3\n\nPress r to toggle normal/reverse playing\n\nPress q to end\n\n");

    // create class instance using class factory.
    ZPlay *player = CreateZPlay();

    // open file
    int result = player->OpenFile("test.mp3", sfAutodetect);
    if(result == 0)
    {
        // display error message
        printf("Error: %s\n", player->GetError());
        player->Release();
        return 0;
    }

    // set reverse mode
    player->ReverseMode(1);

    // seek to end of song
    TStreamTime time;
    time.samples = 0;
    player->Seek(tfSamples, &time, smFromEnd);

    // start playing
    player->Play();

    // display position and wait for song end
    while(1)
    {
        // get stream status to check if song is still playing
        TStreamStatus status;
        player->GetStatus(&status); 
        if(status.fPlay == 0)
            break; // exit checking loop

        // check key press
        if(kbhit())
        {
            int a = getch();

            if(a == 'r' || a == 'R') // enter reverse mode
            {
                if(status.fReverse) // we are in reverse mode
                    player->ReverseMode(0); // exit reverse mode
                else
                    player->ReverseMode(1); // enter reverse mode       

            }


            if(a == 'q' || a == 'Q')
                break; // end program if Q key is pressed
        }



        // get current position
        TStreamTime pos;
        player->GetPosition(&pos);
        // display position
        printf("Pos: %02u:%02u:%02u:%03u   Reverse: %u\r",
            pos.hms.hour, pos.hms.minute, pos.hms.second, pos.hms.millisecond,
            status.fReverse);

        Sleep(300); // wait 300 ms
    }

    // destroy class instance
    player->Release();

    return 0;
}