Avplayer Tizen controller”翻译成中文是“Tizen控制器”，以下给出Tizen平台上使用Avplayer的控制代码示例：

#include 
#include 
#include 
#include 
#include 
#include 

// 初始化和卸载控制器
int init_avplayer_controller(void)
{
    int error_code = AVC_ERROR_NONE;
    error_code = avsys_controller_initialize();
    if (error_code != AVC_ERROR_NONE) {
        dlog_print(DLOG_ERROR, LOG_TAG, "[%s:%d] failed to initialize avsys_controller. error code(%d) error message(%s)",
                    __func__, __LINE__, error_code, avsys_controller_make_error_message(error_code));
    }

    return error_code;
}

int unload_avplayer_controller(void)
{
    int error_code = AVC_ERROR_NONE;
    error_code = avsys_controller_deinitialize();
    if (error_code != AVC_ERROR_NONE) {
        dlog_print(DLOG_ERROR, LOG_TAG, "[%s:%d] failed to deinitialize avsys_controller. error code(%d) error message(%s)",
                    __func__, __LINE__, error_code, avsys_controller_make_error_message(error_code));
    }

    return error_code;
}

//控制器事件回调函数
static void _avps_play_state_changed_cb(avsys_controller_h controller, avsys_controller_event_type_e event_type, avsys_controller_play_state_e play_state, void *user_data)
{
    switch (play_state) {
        case AVSYS_CONTROLLER_PLAY_STATE_STOPPED:
            dlog_print(DLOG_INFO, LOG_TAG, "Playback stopped");
            break;
        case AVSYS_CONTROLLER_PLAY_STATE_PLAYING:
            dlog_print(DLOG_INFO, LOG_TAG, "Playback started");
            break;
        case AVSYS_CONTROLLER_PLAY_STATE_PAUSED:
            dlog_print(DLOG_INFO, LOG_TAG, "Playback paused");
            break;
        default:
            dlog_print(DLOG_INFO, LOG_TAG, "Unknown playback state: %d", play_state);
            break;
    }
}

//