example01-simple.c

Basic example, loads and play a sound from qlaunch sound archive

/** @example example01-simple.c
 * Basic example, loads and play a sound from qlaunch sound archive
 */

#include <stdio.h>
#include <switch.h>
#include <pulsar.h>

static PLSR_BFSAR g_bfsar;
static PLSR_PlayerSoundId g_soundId = PLSR_PLAYER_INVALID_SOUND;

static PLSR_RC _exampleInit() {
    // Initialize our player using the default configuration
    PLSR_RC_TRY(plsrPlayerInit());

    // Open the sound archive from qlaunch sound archive
    PLSR_RC_TRY(plsrBFSAROpen("qlaunch:/sound/qlaunch.bfsar", &g_bfsar));

    // Load the sound in memory from the previously opened archive
    PLSR_RC_TRY(plsrPlayerLoadSoundByName(&g_bfsar, "SeUnlockKeyZR", &g_soundId));
    return PLSR_RC_OK;
}

static void _exampleExit() {
    // Free the sound from memory
    plsrPlayerFree(g_soundId);

    // Close the archive
    plsrBFSARClose(&g_bfsar);

    // De-initialize our player
    plsrPlayerExit();
}

static PLSR_RC _examplePlay(float pitch, float volume) {
    // Set the requested pitch and volume factors
    plsrPlayerSetPitch(g_soundId, pitch);
    plsrPlayerSetVolume(g_soundId, volume);

    // Play the previously loaded sound
    return plsrPlayerPlay(g_soundId);
}

int main() {
    consoleInit(NULL);
    padConfigureInput(1, HidNpadStyleSet_NpadStandard);

    PadState pad;
    padInitializeDefault(&pad);

    // Mount qlaunch ROMFS storage (so that the sound archive can be read)
    printf("romfsMountDataStorageFromProgram: 0x%x\n", romfsMountDataStorageFromProgram(0x0100000000001000, "qlaunch"));

    // Initialize resources used in this example
    PLSR_RC initRC = _exampleInit();
    printf("_exampleInit() = 0x%08X\n\n", initRC);
    printf("Press + to exit\n");

    if(R_SUCCEEDED(initRC)) {
        printf("Change pitch with the left stick Y axis\n");
        printf("Change volume with the right stick Y axis\n");
        printf("Press A to play a sound\n");
    }

    // Main loop
    while(appletMainLoop()) {
        padUpdate(&pad);
        u64 kDown = padGetButtonsDown(&pad);

        if(kDown & HidNpadButton_Plus) {
            break;
        }

        if(R_SUCCEEDED(initRC) && (kDown & HidNpadButton_A)) {
            HidAnalogStickState analog_stick_l = padGetStickPos(&pad, 0);
            HidAnalogStickState analog_stick_r = padGetStickPos(&pad, 1);
            float pitch = 1.0f + (float)analog_stick_l.y / (float)JOYSTICK_MAX;
            float volume = 1.0f + (float)analog_stick_r.y / (float)JOYSTICK_MAX;

            if(pitch <= 0.05f) {
                pitch = 0.05f;
            }

            printf("_examplePlay(%f, %f) = 0x%08X\n", pitch, volume, _examplePlay(pitch, volume));
        }

        consoleUpdate(NULL);
    }

    // Clean up used resources
    _exampleExit();

    consoleExit(NULL);
    return 0;
}