17. A syntax parsing method comprising: utilizing a plurality of syntax parsing circuits, each having at least entropy decoding capability, to generate a plurality of entropy decoding results of a plurality of frames, respectively; and assigning bitstream start points of the frames to the syntax parsing circuits and triggering the syntax parsing circuits to start entropy decoding, respectively; wherein the syntax parsing circuits comprise a first syntax parsing circuit and a second syntax parsing circuit and utilizing the syntax parsing circuits comprises: utilizing the first syntax parsing circuit to perform entropy decoding upon a first frame included in the frames during a first processing time period; and utilizing the second syntax parsing circuit to perform entropy decoding upon a second frame included in the frames during a second processing time period, wherein the second processing time period is overlapped with the first processing time period.
17. A syntax parsing method comprising: utilizing a plurality of syntax parsing circuits, each having at least entropy decoding capability, to generate a plurality of entropy decoding results of a plurality of frames, respectively; and assigning bitstream start points of the frames to the syntax parsing circuits and triggering the syntax parsing circuits to start entropy decoding, respectively; wherein the syntax parsing circuits comprise a first syntax parsing circuit and a second syntax parsing circuit and utilizing the syntax parsing circuits comprises: utilizing the first syntax parsing circuit to perform entropy decoding upon a first frame included in the frames during a first processing time period; and utilizing the second syntax parsing circuit to perform entropy decoding upon a second frame included in the frames during a second processing time period, wherein the second processing time period is overlapped with the first processing time period. 20. The syntax parsing method of claim 17 , further comprising: utilizing a plurality of monitoring circuits dedicated to the syntax parsing circuits, respectively, wherein each of the monitoring circuits is arranged to monitor availability of temporal reference data required by a corresponding syntax parsing circuit; and stalling entropy decoding performed by the corresponding syntax parsing circuit when temporal reference data required by the entropy decoding of a processing unit is not available to the corresponding syntax parsing circuit.