TWI328741B - Reset system for buffer and method thereof - Google Patents

Description

1328741 IX. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to a buffer, and more particularly to a buffer reset system and method thereof. [Prior Art] By pressing, today's streaming systems are mostly used in the Internet, so that the public _ device's adjacent processing units are set with ==

:Fig.: A block diagram of the streaming system used in the past. The serial gamma == map does not have a stream system comprising - a first processing unit 20, - a second processing unit

The third processing unit 24, - the fourth processing material 26, - the first buffer 3G = 32'. The first - processing private 2G, the rest of the information downloaded from the Internet and stored to the first post 30. The first processing unit tg22 xiao third processing unit 24' is configured to process the data of the first buffer 3', respectively, according to the data type of the first-phase, for example, MP3, touch or MN. second

Processing the single buffer ^ 30, after reading the side and processing, and storing the processed data in the second buffer 32, if the second processing unit 22' & processing the first buffer 3, the poor material At this time, the system will reset the first buffer 3〇, and the third processing unit 24 re-reads the data of the first buffer 30 for processing, and then stores the processed data in the second buffer 32'. . Next, the fourth processing unit 26 reads the processed material from the second buffer 32' and plays it. The buffer 3〇' '32 is a First In First Out (FIFO) and is a Ring Buffer. Please refer to FIG. 2A, which is a schematic diagram of the state of storing data in a conventional ring buffer. As shown in the figure, the buffer Γ has a start indicator 5 and an end indicator 7, and the buffer 丨 'utilizes the start indicator 5' and the end indicator 7 to indicate the start of the data stored in the buffer 1'. Address and end address. When the material 10' is read, the indicator 5 is started, that is, the forward movement points to the last address at which the material is read. 5 1328741 Again, please refer to Figure 2B, which is a schematic diagram of the state of overwriting data to a conventional ring buffer. As shown in the 'when the buffer! After the 'data 10' is read, the indicator 5 is started, and it will move forward to the address of the tribute 10', and the address after being read, that is, if the data 1〇 is read, the day begins. ^5 will point to the same address as the knot indicator 7. After that, if there is a data I?, stored in the buffer m, this data 12, will be written from the county indicator 7, the indicated position, and the data index r will move forward until the completion of the write data 12' domain Until r. If the data 12' is written to the last address of the buffer 1, and the data 12 is still not completely written, the write data 12' will be continued from the start address of the buffer 1. Overwrite the data that has been read 10 . So 'this type of buffer is called a ring buffer. Referring to the first figure, if the second processing unit 22 cannot process the data of the first buffer 3, and the data is exchanged by the third processing unit 24, try to read and process the first buffer 3, In the case of the resource j, since the second processing unit 22' has read a part of the data, the flag 5 is started, and the address after reading the data is processed to the processing unit 22, so the third processing unit at this time 24. It is no longer possible to re-read the original data of the first buffer 30', so we need to reset the system so that the processing unit 20 is switched to the third processing unit 24 to process the data. Therefore, how to solve the above problem and propose a novel buffer reset system and method thereof can only improve the money processing unit, and the swapped processing unit has the disadvantage of having a poor shoulder on the buffer, and can also avoid the buffer. The original dragon was overwritten to solve the above problems. SUMMARY OF THE INVENTION The main purpose of the present invention is to enable the reset flag to reset the buffer when the processing unit is exchanged by setting a reset flag and a reset function in the buffer. The processing unit can re-read the original data of the buffer. The other purpose of the present invention is to overwrite the flag by setting in the buffer, and when the subsequent processing of the processing unit 7 is not determined, the flag can be written to make the subsequent data. It is not possible to overwrite to the buffer to avoid overwriting the original data in buffer H and avoiding the loss of the original data in the buffer. 1328741 For the above purposes, the resetting system of the buffer of the present invention comprises a reset function, a reset flag, an overwrite flag and a control unit, and the reset flag and the overwrite flag are set in the buffer. The control unit 7L is used for the call reset function and the setting override flag, and the controller call reset function can be used.

The buffer is reset so that the data of the buffer can be re-read after the processing unit exchanges, and the overwrite flag can be set to retain the data of the buffer to avoid data loss. The reset method of the present invention is based on the state call reset function of the processing unit processing the data of the buffer and confirms the reset flag. When the H unit reads the buffer secret and cannot process it, the control unit confirms the reset flag and calls the reset function to exchange a second processing unit and the processing unit, so that the second processing unit replaces the first processing. The unit re-reads the buffer data and processes it. When the data writer is slow, the reset will be set to Fake. If the field is uncertain whether the processing unit can process the data of the buffer, the control unit can set the flag to be h-non-overridden. Write the parameter value, the continuation of the data can not be overwritten to the slow (4), the bedding material is overwritten in the old pure 'until the data of the buffer can be processed, the reset flag h is set to - overwrite the I value, so that the follow-up data Can be overwritten to the buffer. [Embodiment] In order to enable the review committee (4) to have the structural functions and the red effect of the present invention = and to understand the implementation of the example and the detailed description of the cooperation, as explained below: Refer to the second figure' It is a block diagram of a preferred embodiment of the invention. The reset system of the buffer of the present invention includes - control unit 3q, - reset flag ml flag 16 'reset flag 13 and overwrite flag 16 , by confirming the weight of the standard (e.g. e nag ) Unit 3〇

CwnteaMe flag) 16, to control (four) device iq complex ^ yuan 3 〇 confirm that the reset flag 13 is set, then control ^ m into. The controller buffer 1G, that is, the reset buffer n1Q open 4 call reset function, so that the child can be third (10) can be re-read the 1Q when the processing is fine The original: # ^ slows down the 1G data and processes it. If the reset flag 13 7 1328741 flag K3 is set to 夂3_ method reset buffer 1G, the flag will be reset initially; in the case of blessing, the reset false element 30 sets the overwrite flag 16 to a non-over When the parameter value is written, it is in the logic. The figure also shows that the data cannot be overwritten by the original data of the buffer 10. Please - refer to the fourth until the knot is set to - non-overwrite parameter value, the data Will be written to buffer 10, that is to say buffered. 》 ^ ^ 1Gj last address when 'cannot overwrite data to buffer 10, when new data can be saved 1 (4) 6 '# overwrite flag 16 is set to - non-overwrite parameter value is the end flag = Write the capacity of 1G with Jane 111G', write the data to _1G ζΛ4 so that the second or third processing order of the first processing material 20 can be avoided; the original (four) material in t 1G makes the second processing unit material. Control unit = cap, can still retain the buffer (4) the original capital (5) e), the buffer 1Q can be overwritten (four) - when the parameter value is overwritten, it is the "true" in the logic - the first point I system 'The invention will be described. When the first processing unit 20 stores - (4) to the buffer 1Q, it is processed. The second processing unit 22 takes the first data of the coffee 10 in Lu 2 22 (4) to overwrite the ginseng pattern and writes the flag element (4) to process the first data. If the second flag is r, the reset flag is set to logic. Cut, straight Wei "iq's overwriting flag 16, law (four) like - Γ 卩 will 4 set the age of 10, and the shop said no record _ three places yuan 24, peach is said to be the first information At this time, the control unit 30 exchanges the second processing unit 22 "the - processing M24" and causes the third processing unit 24 to replace the second processing unit 22. Heavy: = rr message will also reset the buffer is set to reset the parameter pure 'call buffer (four), rhyme touch to the buffer 8 1328741 10-^ - a data - jT material starting position ' let The third processing unit 24 can store the first processing unit p from the buffer 1G to reduce the usage of the first buffer 12 in the first buffer. In the above, the third processing unit 24 processes the target element 3〇, so that the control TM overwrites the flag ^φ and allows the younger to process the data to the buffer 10. On the other hand, the slave city writes the new unit 2G “(10) data to buffer benefit H) to overwrite “some data” and then resets the flag 13 to the non-reset parameter value.

After the first right, the first processing unit 2〇 cannot process the data of the buffer 10, and the third processing=24 also has no domain information _ 1Q data, which will send a return form (3G ' Then, if there are any other processing units, at this time, the control unit 30 is the other processing unit 'to exchange the third processing unit 24, and the other processing unit: m unit 124 ' while the control unit 3Q resets the buffer 1G and sets The reset flag 13 is a reset parameter.

5 is a block diagram of another preferred embodiment of the present invention. As shown in the figure, the present invention = a slow-reset reset-recovery network. The streaming system includes a carrier unit 40, a first buffer 50, a decoding module 6A, a second buffer 7A, and a playback unit 8G. The download unit 40 downloads through the Internet - the network data and writes the first buffer to cry 50. The network data can be in WMA, MN or MP3 format or any other format. Since: the first-decoding unit 62 of the decoding module 6G, the second decoding unit 64 and the third decoding unit 66 can decode the network data in the first buffer 50. The overwrite flag 56 of the first buffer 5 is initially set to a non-overwrite parameter, so that the switching of the decoding unit can be ensured. The decoding module 60 is configured to decode the network data of the first buffer 50, and decode the first decoding unit 62, the second decoding unit 64, and the third decoding unit (10) of the analog ΰβΰ, respectively, for the face, the MN, and the MP3. The tribute format is decoded. When the first buffer $5〇 stores the network data, the first decoding block it 62 will first read the network data of the first buffer 5G, and if the network data of the first buffer 5 is WMA format, [Decoding unit 62 can perform decoding, and send a response message indicating that it can be processed by 9^28741 to control unit 30, so that control unit 30 can decode the network data, and the control unit can set the first buffer unit 62. If, 1 continues to store network data to the first buffer 5 〇. The decoding will not be possible. At this time, the first decoding unit (10) I, the 'deciphering unit 62, the control unit 30, causes the control unit 3 () to know the network data to which the response message cannot be processed. The control unit thermally decodes the first buffer unit 50 and the second decoding unit 62 and the second stone unit, and exchanges the element 62, and at the same time resets the _buffer 5〇, so that the second 吏^ ^ Early read generation - decoding single punch 50 original network data as early as 64 can re-read the first slow path data. '#, that is, the network that the decoding unit 62 takes but cannot decode. Because the second decoding unit 64 is directed to the network element 64 of the format, the network data of the _ format cannot be decoded. At this time, the first =^ heart 4 will also send a message indicating that it cannot be processed\first decoding early send drive message to the first: solution _ fiR should be close to W early 30, so that the control unit 3 〇-, let the third solution Up = the first: decoding, and the third round to make the third decoding single two == the first buffer unit 30, the control unit 66 will send a response message indicating that it can be processed to the control "- L兀 will be based on The response message setting override flag 56 is to override the parameter value. Allow:: save money (4) to P-Lin 115G, (4) cover the network resources of the company: early 70, the performance item takes the network of the first buffer 50 Data is decoded. ^ ^ WMA'WMV ^MP3 stored network data, μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ It is also impossible to detect that it is =:::: means that the network streaming system is incorrect, and it is impossible to decode 1328741. The first decoding unit 64, the second decoding unit 64 or the third decoding unit 66 decodes the network. The decoded data generated after the 'before' will be stored in the second buffer 7 will read the second buffer (4) (10) Decode: _ proceed. The format of the decoded data generated by her module 6 is in accordance with the playback unit, so the second buffer 70 does not need to be set to reset the flag. For example, pm " In this embodiment, the flag $ initial 2 *, and the second buffer (10) is intended to be a conventional ring buffer, however the first buffer 70 can also be applied to different data formats. Please refer to the sixth figure, which is a flow chart of a preferred embodiment of the present invention. For the sake of explanation, this is applied in conjunction with the third®. #不整统处理单元&,% can handle the buffer (4) stored data, you can first set the buffer (4) overwrite flag standard unit (four) 槪 1G read secrets friends T-tube Chuanbei time , the first - processing military data to the buffer 10 and covering the buffer 1 〇 $ Μ one test (four) iu original Beko and lost. As shown in step S10, when the younger brother processes the previous 2G writer data to the buffer 1G, the overwrite flag of the single w 10 is controlled. 16 is the non-overwrite parameter value, so that the buffer 1() cannot overwrite the data, and the data of the buffer 1〇 is read and processed, and the information is processed according to the processing 5 to the control unit 3〇. If the control unit 30 modifies the user's household 5 times 3, the user should follow the step, and then step S14 to confirm the second buffer according to the response message: ^No readable core 1Gm if the second processing unit 22 can process The control unit 30 executes step S16, and sets the overwrite flag 16 to overwrite the parameter =1G to overwrite the slant, so that the second processing unit & The meta-material 22 is daring to turn the message silkie lightly, and the control list will be known according to the response message when performing step S14, and step S18 is performed, please ==1 if: there is a 'he's a single D Taking the second figure as an example, the control unit 30 will detect that there is a first group of early detections. At this time, the control unit 30 performs the step magic 9, resets the buffer 10, and develops the parent, the movement to the third processing unit. 24, in order to exchange the third processing unit 24 and the second processing unit 1328741 = let the third processing unit 24 read the buffer ι 〇 original data and f repeat step (4) step, if the third processing unit 24 can ^ ^ =, that is, the ordering step S16' and proceeding to step S17, if the third processing unit 24 2, the shell 2_18' (four) by the _ 彳 unit 3Q _ no other processing orders =, S20, represents this system error Unable to process buffer ι〇 data. In step S12', if the response message is not received, the control unit 30 will slow down _ will ^ 1G is filled, because the key write wheel "is" false, take, slow _ 1G store f material and No data is read by the processing unit - less than full data is written by the person (such as step · _), and the message is re-processed (as in step S12). If the buffer 111G has been fully tilted, the control step S24 is performed, and the step S24 is performed. The sample selection is !, !: I °30 shows that the position I is the same as the above step S14. If the response message table rushes (4) the next rough day, the rainbow, 仃乂 仃乂 6 6 ‘right response message indicates that it cannot be processed in other processing units =^S18 7 S28. If the control unit 30 detects that there is no measurement, the process proceeds to step S29, where the cow; H indicates a system error, and if there is a processing unit I, the main unit (4) phase counting step S19. Step S24 is then repeatedly performed. The process of the other preferred embodiment of the invention is as follows. This embodiment is a rushing ^ (four) writing flag to write the parameters of the Newlin. This embodiment is the same as ; ° 16; two processing single τ ΐ 22 妓 reading crane can write human shell material to ^ 10. After that, the status is sent. If step = execution step, if 亀#transfer 30 receives the message, as shown in step, (4), = unit 22 can process the data of buffer 1G data and process it. *, the second processing unit 22 will continue to read the buffer. If the response message indicates that the second step is step _, the gamma has -l^. 22 can not handle the operation, the control unit 3 (four), where the early element exists, this embodiment detects that there is still a second 12 I32B741 processing unit 24 exists, so proceed to step S39 'reset the buffer 10 and exchange the third processing unit 24 and the second processing unit 22, the third processing unit 24 is replaced by the second processing unit 22, and after the exchange is completed, step S32 is repeatedly executed. Thereafter, if the third processing unit 24 is unable to process the data of the buffer 1〇, since the system has no other processing units present, the exchange can be performed, so that the system error is indicated as shown in step S40. In the above step S32, if the control unit 30 continues to receive no response message, the control unit

30, as shown in step S42, detecting whether the buffer 10 is filled, if the buffer 10 is not filled with lean material, more data is written (as in step S1), and then confirmed again. The response message is transmitted (step S12), and if the buffer 1 is filled with data, then the system is directly determined to be normal. The reason is that the overwrite flag 16 is set to the overwrite parameter value at the beginning, which means that one of the processing units of the system can process the data of the buffer 10, so the system is directly determined to be normal. The setting of the overwrite flag in the present invention does not necessarily need to go through the flow of the fifth figure. If it is determined that the processing unit of the system can process the data of the buffer, the overwrite flag can be directly set as the overwritten parameter value. . In summary, the buffer resetting system of the present invention and the method thereof reset the buffer by setting a reset flag to the buffer, so that the two processing units exchange, and thus the exchanged processing unit

That is T re-. A data that cannot be processed by a processor. Again, the reset flag will be automatically set to allow the control unit to know if the system needs to be reset. In addition, the present invention further sets the overwrite flag to the buffer. If it is uncertain whether the processor of the system can process the data of the buffer, in order to avoid buffering, it is provided by the subsequent writer (four) material coverage, such as Set the overwrite flagpole to non-overwrite the squad, let _n not write _ until the data of the processor can be determined, the overwrite flag will be set to override the parameter, so that the buffer looks like a ring buffer _ Like, so the surface of the film will be slower, the new (four) can make a mess. If overwritten, the initial state mosquito is overwritten with the reference material, and the buffer is equivalent to the ring buffer to buffer the data into the buffer state W, allowing the reset and switching of the processing unit. The invention is actually - having _ sex, fineness and availability of paste. The patents stipulated in the patent law are undoubtedly f Μ Μ Μ Μ Μ Μ 曰 曰 曰 Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ In the case of a patent for the invention, the present invention is only a preferred embodiment of the present invention, and is not intended to limit the scope of the practice of the present invention. Equivalent changes and modifications of the shapes, structures, features and spirits are intended to be included in the scope of the invention. [Simple diagram of the diagram] The first diagram is a block diagram of the conventional stream system; the second diagram is a state diagram of the data stored in the conventional ring buffer; the second diagram is the state of overwriting the data to the conventional ring buffer. 3 is a block diagram of a preferred embodiment of the present invention; and FIG. 4 is a schematic diagram showing a state in which a buffer is set to a non-overwrite parameter; FIG. 5 is another preferred embodiment of the present invention. Figure 6 is a flow chart of a preferred embodiment of the present invention; and a seventh embodiment is a flow chart of another preferred embodiment of the present invention. [Description of main component symbols] 1' Buffer 5' Start indicator 7' End indicator 10, data 12, data 20, first processing unit 22, second processing unit 24, third processing unit 26, fourth processing unit 30, First buffer 32, second buffer 2 starts indicator 1328741

4 End indicator 6 Old data 8 New poor material 10 Buffer 13 Reset flag 16 Overwrite flag 20 First processing unit 22 Second processing unit 24 Third processing unit 30 Control unit 40 Download unit 50 First buffer 53 Reset flag 56 overwrite flag 60 decoding module 62 first decoding unit 64 second decoding unit 66 third decoding unit 70 second buffer 80 playback unit

Claims (1)

X. Patent application scope: L ~ kind of buffer reset system, which includes: ~ reset flag 'set in the buffer' when the reset flag is set to - reset parameter value, reset the a buffer; and a control unit 'call-reset' to read the buffer, the material can not be in the H buffer data, the control unit calls the reset function i to re-read the buffer 11 and exchange - the second process of the single peach generation of the first 2 orders 70 'to make the hybrid processing unit re-spinning and processing the data. 2. Please refer to the secret described in item i, where the control unit automatically sets the non-reset parameter value after the second unit is replaced by the second processing unit, and does not reset the buffer. The system described in item I 1 shoots the _single «two. The system of claim 1, wherein the buffer is further a 1, -= ticket, which is set by the control unit to be A non-overwrite parameter;: The overwrite flag is set by the control unit 2 = D is only overwritten to the buffer. The system of item 5, wherein the control unit sets the overwrite value so that subsequent data can be overwritten ===_ overwrite flag is the overwrite parameter. 6. As described in item 5 of the patent application scope. The second processing unit; the AV, the first processing unit and the first processing unit to process the _ _ _, and correspondingly send a response message to the response message to set the overwrite flag. . The control of the system is as follows: wherein the overwrite flag is set to the non-design unit or the second processing unit does not send the echo to the control early ride. Wait for the deer to settle the flag. - Heart 8. As described in the application of the first paragraph of the patent, which is the buffer. The punch can be a ring type. 9. The system of claim i, wherein the buffer stomach is - first in first out (First In First Out, FIFO) buffer. The system of claim i, wherein resetting the buffer causes the buffering start indicator to return to the start address of the buffer. 11. The system of claim i, wherein the buffer is applied to a streaming system. 12. A buffer reset method, the buffer is provided with a reset flag, and when the reset flag is set to a reset parameter value, the buffer is reset. The method includes: Set the reset flag according to the information of the processing unit, and set the reset flag; Wherein, when the first processing unit reads the data of the buffer and cannot process the data of the buffer, 6 further resets the flag to the reset value to re-read the buffer and exchange A second processing unit replaces the first processing unit, causing the second processing unit to re-read and process the data of the buffer. 13. The method of claim 12, wherein the second processing unit replaces the first processing unit and the reset flag is automatically set to a non-reset parameter value to reset the buffer. 14. The method of claim 12, wherein before the second processing unit replaces the first processing unit, the method further comprises: H if the 5 processing unit is present. 17 1328741 15. The method of claim 12, wherein the buffer is further provided with an overwrite flag 'when it is set to a non-overwrite parameter value, the data cannot be overwritten to the buffer, When the overwrite flag is set to an overwrite parameter value, the data can be overwritten to the buffer. The method of claim 15, wherein the first processing unit or the second processing unit can process the data of the buffer after setting the overwrite flag to a non-overwrite parameter value. Then, the overwrite flag is set to the overwrite parameter value, so that the subsequent material can be overwritten to the buffer. , 17. The method of claim 16, wherein the first processing unit and the second processing unit, after reading and processing the data of the buffer, are correspondingly sent-response according to whether the data can be processed. A message to set the overwrite flag based on the response message. The method of claim 17, wherein the overwrite flag is set to the non-overwrite parameter value, and the first processing unit or the second processing unit does not send the response message, and continues Wait for the response message to set the override flag. 19. The method of claim 12, wherein resetting the buffer causes the buffer benefit-start indicator to revert to the start address of the buffer. 20. The method of claim 12, which can be applied to the buffer of the streaming system.