Function validateAudioFile

src/modules/others/audio.cpp:139–172

Helper to validate file existence

// Helper to validate file existence
static bool validateAudioFile(FS *fs, const String &filepath) {
    if (!fs) {
        Serial.println("ERROR: Invalid filesystem pointer");
        return false;
    }

    if (!fs->exists(filepath.c_str())) {
        Serial.print("ERROR: Audio file not found: ");
        Serial.println(filepath);
        return false;
    }

    File file = fs->open(filepath.c_str(), "r");
    if (!file) {
        Serial.println("ERROR: Cannot open audio file");
        return false;
    }

    bool isFile = !file.isDirectory();
    size_t fileSize = file.size();
    file.close();

    if (!isFile) {
        Serial.println("ERROR: Path is a directory, not a file");
        return false;
    }

    if (fileSize == 0) {
        Serial.println("ERROR: Audio file is empty");
        return false;
    }

    return true;
}

// ===== ASYNC PLAYBACK TASK =====
static void audioPlaybackTask(void *parameter) {