Claims (12)
一種基於即時傳輸協定(RTP)的單位時間內影像訊框數量測方法，適用於量測一網路監控裝置的單位時間內影像訊框數量，該方法包括：經由一網路環境接收該網路監控裝置所傳送的複數個RTP封包，其中各該RTP封包包含一分割影像資訊以及一標記值位元(marker bit)，該標記值位元指示對應的RTP封包所包含的分割影像資訊是否為一影像訊框的結束；篩選接收到的RTP封包的標記值位元，藉以統計一單位時間內對應於該影像訊框的結束之RTP封包的數量；以及以該單位時間內對應於該影像訊框的結束之RTP封包的數量作為該網路監控裝置於該網路環境下的單位時間內影像訊框數量。
A method for measuring the number of video frames per unit time based on the Real Time Transport Protocol (RTP), which is suitable for measuring the number of video frames per unit time of a network monitoring device, the method comprising: receiving the network via a network environment a plurality of RTP packets transmitted by the monitoring device, wherein each of the RTP packets includes a split image information and a marker bit, the flag value indicating whether the segmented image information included in the corresponding RTP packet is one Ending of the image frame; screening the received tag value bit of the RTP packet, thereby counting the number of RTP packets corresponding to the end of the image frame within one unit time; and corresponding to the image frame in the unit time The number of completed RTP packets is used as the number of video frames per unit time of the network monitoring device in the network environment.
如申請專利範圍第1項所述的方法，其中該影像封包特徵為在每一即時傳輸協定封包的一資訊封包標題域具有一第一參數特徵與一第二參數特徵。
The method of claim 1, wherein the image packet feature has a first parameter feature and a second parameter feature in an information packet header field of each instant transfer protocol packet.
如申請專利範圍第2項所述的方法，其中該資訊封包標題域為一有效載荷類型標題域(payload type header)。
The method of claim 2, wherein the information packet header field is a payload type header.
如申請專利範圍第2項所述的方法，其中該第一參數特徵為一即時傳輸協定有效載荷類型值(RTP payload type)設定為96。
The method of claim 2, wherein the first parameter characteristic is an immediate transfer protocol payload type value (RTP payload type) set to 96.
如申請專利範圍第2項所述的方法，其中該第二參數特徵為一即時傳輸協定標記值(RTP marker)設定為1。
The method of claim 2, wherein the second parameter characteristic is an immediate transfer protocol tag value (RTP marker) set to one.
如申請專利範圍第1項所述的基於即時傳輸協定的單位時間內影像訊框數量測方法，其中所統計出之該單位時間內對應於該影像訊框的結束之RTP封包的數量不影響該網路監控裝置傳送該些RTP封包的行為。
The method for measuring the number of video frames per unit time based on the instant transmission protocol, as described in claim 1, wherein the number of RTP packets corresponding to the end of the video frame in the unit time is not affected. The network monitoring device transmits the behavior of the RTP packets.
一種單位時間內影像訊框數量測裝置，適用於量測一接收端裝置從一網路監控裝置所接收的單位時間內影像訊框數量，其中該接收端裝置經由一網路環境接收該網路監控裝置所傳送的複數個RTP封包，各該RTP封包包含一分割影像資訊以及一標記值位元(marker bit)，該裝置包括：一封包篩選模組，篩選該接收端裝置所接收到的RTP封包的標記值位元，其中該標記值位元指示對硬的RTP封包所包含的分割影像資訊是否為一影像訊框的結束；以及一封包統計模組，耦接於該封包篩選模組，統計一單位時間內對應於該影像訊框的結束之RTP封包的數量，並且以該單位時間內對應於該影像訊框的結束之RTP封包的數量作為該接收端裝置於該網路環境下的單位時間內影像訊框數量。
An image frame measuring device for measuring the number of image frames per unit time received by a receiving device from a network monitoring device, wherein the receiving device receives the network via a network environment a plurality of RTP packets transmitted by the monitoring device, each of the RTP packets includes a split image information and a marker bit, the device comprising: a packet screening module, and filtering the RTP received by the receiving device The tag value bit of the packet, wherein the tag value bit indicates whether the split image information included in the hard RTP packet is the end of an image frame, and a packet statistics module coupled to the packet screening module. Counting the number of RTP packets corresponding to the end of the video frame in a unit time, and using the number of RTP packets corresponding to the end of the video frame in the unit time as the receiving device in the network environment The number of image frames per unit time.
如申請專利範圍第7項所述的裝置，其中該影像封包特徵為在每一即時傳輸協定封包的一資訊封包標題域具有一第一參數特徵與一第二參數特徵。
The device of claim 7, wherein the image packet feature has a first parameter feature and a second parameter feature in an information packet header field of each instant transfer protocol packet.
如申請專利範圍第8項所述的裝置，其中該資訊封包標題域為一有效載荷類型標題域(payload type header)。
The device of claim 8, wherein the information packet header field is a payload type header.
如申請專利範圍第8項所述的裝置，其中該第一參
數特徵為一即時傳輸協定有效載荷類型值(RTP payload type)設定為96。
The device of claim 8, wherein the first reference
The number feature is set to 96 for an instant transfer protocol payload type value (RTP payload type).
如申請專利範圍第10項所述的裝置，其中該第二參數特徵為一即時傳輸協定標記值(RTP marker)設定為1。
The device of claim 10, wherein the second parameter characteristic is an immediate transfer protocol flag value (RTP marker) set to one.
如申請專利範圍第7項所述的裝置，其中所統計出之該單位時間內對應於該影像訊框的結束之RTP封包的數量不影響該網路監控裝置傳送該些RTP封包的行為。
The device of claim 7, wherein the number of RTP packets corresponding to the end of the video frame in the unit time is not affected by the network monitoring device transmitting the RTP packets.