/*
* libZPlay example
*
* Play test.mp3 to sound card output with multiple echo.
* There are different settings for left and right channel
* to produce more interesting effect.
*
*/

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

#include "libzplay.h"

using namespace libZPlay;

int main(int argc, char **argv)
{
    printf("Playing test.mp3\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;
    }

    // get song length
    TStreamInfo info;
    player->GetStreamInfo(&info);

    printf("Length: %02u:%02u:%02u:%03u\n\n", info.Length.hms.hour, 
                        info.Length.hms.minute,
                        info.Length.hms.second,
                        info.Length.hms.millisecond);


    TEchoEffect effect[2];
    // 2 second delay
    effect[0].nLeftDelay = 1800; // 1800 ms delay
    effect[0].nLeftEchoVolume = 20; // use 20 % volume of delayed samples
    effect[0].nLeftSrcVolume = 80; // use 80 % volume of original samples
    effect[0].nRightDelay = 2000;
    effect[0].nRightEchoVolume = 20;
    effect[0].nRightSrcVolume = 80;

    // 200 ms delay
    effect[1].nLeftDelay = 180; // 180 ms delay
    effect[1].nLeftEchoVolume = 20; // use 20 % volume of delayed samples
    effect[1].nLeftSrcVolume = 0; // don't need original samples because we already involve this in previous effect
    effect[1].nRightDelay = 200;
    effect[1].nRightEchoVolume = 20;
    effect[1].nRightSrcVolume = 0;
    player->SetEchoParam(effect, 2); // set new echo effect

    player->EnableEcho(1); // enable echo effect

    // start playing
    player->Play();

    // display position and wait for song end
    while(1)
    {
        // check key press
        if(kbhit())
        {
            int a = getch();
            if(a == 'q' || a == 'Q')
                break; // end program if Q key is pressed
        }

        // get stream status to check if song is still playing
        TStreamStatus status;
        player->GetStatus(&status); 
        if(status.fPlay == 0)
            break; // exit checking loop

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


        Sleep(300); // wait 300 ms
    }

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

    return 0;
}