CN101472165A - Method for analyzing self-help code stream - Google Patents
Method for analyzing self-help code stream Download PDFInfo
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- CN101472165A CN101472165A CNA2007103058220A CN200710305822A CN101472165A CN 101472165 A CN101472165 A CN 101472165A CN A2007103058220 A CNA2007103058220 A CN A2007103058220A CN 200710305822 A CN200710305822 A CN 200710305822A CN 101472165 A CN101472165 A CN 101472165A
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- rule
- descriptor
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- code stream
- help code
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000008676 import Effects 0.000 claims description 7
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 6
- 206010037833 rales Diseases 0.000 claims description 6
- 230000004069 differentiation Effects 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 abstract description 12
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000002789 length control Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 108700007520 CVB protocol Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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Abstract
The invention discloses a method for analyzing self-help code stream. The method comprises the following steps: a) the input of user definition rules by a user is received; b) the user definition rules are imported when the procedure is initialized; and c) the analysis is conducted according to the user definition rules when data need to be processed. The descriptors and table rules can not only be saved as external files and but also edited through the user self definition, so that the functions of the descriptors and the table rules can be increased, decreased, and altered by a user, and the capacity for quickly adding proprietary protocol analysis instead of altering code stream analysis software is possessed by the user.
Description
[technical field]
The present invention relates to that top box of digital machine (comprising other DVB Related product) is designed and developed and test process in need technology that code stream is analyzed, refer in particular to a kind of method for analyzing self-help code stream.
[background technology]
Existing code stream analysis software can be analyzed existing table and descriptor in the DVB standard.The table and the descriptor of the user-defined format that existing code stream analysis software is can not analysis user privately owned, and in the code stream analysis process of reality, the situation that half is arranged is table and the descriptor that needs to analyze privately owned form, and existing code stream analysis software can not practical requirement.
[summary of the invention]
Technical problem to be solved by this invention is, overcomes the deficiencies in the prior art, the method that provides a kind of descriptor that can edit and store by the user and table rule to resolve the information that receives.
The technical solution adopted for the present invention to solve the technical problems is: a kind of method for analyzing self-help code stream comprises the steps:
A), accept the input of user to user definition rule;
B), when program is initial, described user definition rule is imported;
C), when data processing is arranged by described user definition rule parsing.
Described user definition rule is descriptor and table rule, and described user definition rale store is an external file.
Described user definition descriptor procedure of rule may further comprise the steps:
The first step: select at the interface: edit described descriptor rule at rule editing;
Second step: in the corresponding input frame and the title of filling in described descriptor Tag value and described descriptor;
The 3rd step: fill in the descriptor rule that the user makes by oneself at described descriptor rule frame;
The 4th step: click the regular button of interpolation and get final product.
Described user definition definition list procedure of rule may further comprise the steps:
Step 1: select at the interface: edit described table rule at rule editing;
Step 2: at corresponding input frame and fill in the pid value of described table, the title of TableID value and described table;
Step 3: fill in the table rule that the user makes by oneself at the regular frame of described table;
Step 4: click the regular button of interpolation and get final product.
Described step a) is meant that the user edits described descriptor and table rule.
According to the TAG value of described descriptor and the PID and the TableID distinguishing rule of described table.
Described step b) is that program imports described descriptor and table rule by reading described external file when initialization.
It is characterized in that: described step c) be the data that will receive according to the TAG value of described descriptor and the PID and the TableID of described table, in described descriptor rule, search corresponding rule and resolve.
A kind of method for analyzing self-help code stream, the concrete operations step comprises: step 1, receive the user to descriptor with the table rule is edited and be external file with this descriptor and table rale store; Step 2, when program initialization, import described descriptor and table rule by reading described external file; Step 3, with the data that receive differentiation standard according to described descriptor and table, in described descriptor rule, search corresponding rule and resolve.
The TAG value that described differentiation standard is described descriptor and the PID and the TableID of described table.
The invention has the beneficial effects as follows, with descriptor and table rale store is external file, can carry out editing specification and table rule by User Defined, realized that the user can arbitrarily increase and decrease the function of revising descriptor and table rule, the user has been possessed do not revise code stream analysis software and add the proprietary protocol analysis ability fast.
[description of drawings]
Fig. 1 is the workflow diagram of method for analyzing self-help code stream.
[embodiment]
As shown in Figure 1, a kind of method for analyzing self-help code stream of embodiment of the present invention, not that descriptor and table rule are built in the code, but according to certain form with descriptor and the table rale store be external file, the user can edit being stored in outside file by self-defined, arbitrarily descriptor and table rule are revised in increase and decrease, make the user possess the analysis ability that need not revise code stream analysis software and can quick and precisely add proprietary protocol.Import described descriptor and table rule by reading external file when program initialization, each rule is distinguished with the TAG value of descriptor and the PID and the TableID of table.Code stream analyzing method can be analyzed and be combined into after the single Section data again according to the TAG value of its descriptor and the PID and the TableID of table,, search corresponding rule in the descriptor rule the inside that imports the data that receive are resolved.
User Defined descriptor process comprises the steps:
The first step: select at the interface: editing specification sub-rule at rule editing.
Second step: at corresponding input frame and fill in the title of descriptor Tag value and descriptor (the software Tag value of can basis in code stream analyzing filling in determine it is user-defined this descriptor rule of employing, if the Tag value equates, then can adopt user-defined this rule to resolve corresponding descriptor, and the real user descriptor title of filling in)
The 3rd step: fill in the descriptor rule that the user makes by oneself at descriptor rule frame.
Below illustrate down:
The privately owned descriptor that following descriptor is wanted to add for the user (its form of presentation is according to the statement of international literature convention):
The descriptor name is called: My_descriptor
My_descriptor()
{
descriptor_tag 8?uimsbf
descriptor_length 8?uimsbf
reserved_future_use 4?bslbf
my_content 4?uimsbf
my_component_type 8?uimsbf
my_component_tag 8?uimsbf
ISO_639-2_language_code 24?bslbf
char_length 8?uimsbf
for(i＝0；i<N；i++)
{
my?text?char 8?uimsbf
}
if(char_length＝＝0)
{
single_char 8?uimsbf
}
}
The user only need insert following content in regular frame when this privately owned descriptor of interpolation is regular:
reserved_future_use 4
my_content 4
my_component_type 8
my_component_tag 8
ISO_639-2_language_code 24
char_length 8
for?char_length
{
my_text_char 8
}
if(char_length＝＝0)
{
single_char 8
}
Can see, be changed to:
A1 has removed general two in front:
descriptor_tag 8?uimsbf
descriptor_length 8?uimsbf
B1 has removed every shared figure place unit: uimsbf or bslbf
C1 for length of the cycle control variables is revised as its physical length control variables char_length (if for circulation is not then filled in the length control variables for the descriptor residue length)
The 4th step: click the regular button of interpolation and get final product.If (descriptor that has had identical Tag value, software can be made prompting, the user can select to delete original descriptor rule)
User Defined table procedure of rule:
Step 1: select at the interface: editor's table rule at rule editing.
Step 2: at corresponding input frame and fill in the pid value of table, (software can determine it is to adopt user-defined this to show rule according to pid value of filling in and TableID value to the TableID value when resolving code stream with the title of showing, if the Tag value equates, then can adopt user-defined this rule to resolve corresponding table, and the title of the table filled in of real user)
Step 3: fill in the table rule that the user makes by oneself at the regular frame of table.
Below illustrate:
Following table rule is wanted the privately owned table (its form of presentation is explained according to the international literature convention) that adds for the user:
service_description_section()
{
table_id 8?uimsbf
section_syntax_indicator 1?bslbf
reserved_future_use 1?bslbf
reserved 2?bslbf
section_length 12?uimsbf
transport_stream_id 16?uimsbf
reserved 2?bslbf
version_number 5?uimsbf
current?next?indicator 1?bslbf
section_number 8?uimsbf
last_section_number 8?uimsbf
original_network_id 16?uimsbf
reserved_future_use 8?bslbf
for(i＝0；i<N；i++)
{
service_id 16?uimsbf
reserved_future_use 6?bslbf
EIT_schedule_flag 1?bslbf
EIT_present_following_flag 1?bslbf
running_status 3?uimsbf
free_CA_mode 1?bslbf
descriptors_loop_length 12?uimsbf
for(j＝0；j<N；j++)
{
descriptor()
}
}
CRC_32 32?rpchof
}
The user only need insert following content in regular frame when this privately owned table of interpolation is regular:
table_id 8
section_syntax_indicator 1
reserved_future_use 1
reserved 2
section_length 12
transport_stream_id 16
reserved 2
version_number 5
current?nextindi?cator 1
section_number 8
last_section_number 8
original_network_id 16
reserved_future_use 8
for
{
service_id 16
reserved_future_use 6
EIT_schedule_flag 1
EIT_present_following_flag 1
running_status 3
free_CA_mode 1
descriptors_loop_length 12
for?descriptors_loop_length
{
descriptor()
}
}
CRC_32 32
Can see, be changed to:
A2 has removed every shared figure place unit: uimsbf or bslbf
B2 for length of the cycle control variables is revised as its physical length control variables char_length (if for circulation is not then filled in the length control variables for the descriptor residue length)
Step 4: click the regular button of interpolation and get final product.(if when having had the table of identical PID and TableID, software can be made prompting, and the user can select to delete original table rule)
Shown in the workflow diagram of Fig. 1 this analysis method, at first will resolve the code stream simulation and give out a contract for a project, receive TS bag back decomposition data to Filter, after receiving complete Section, in the DVB agreement, look for corresponding resolution rules; Then in the User Defined form, look for corresponding resolution rules, after finding,, make up basic PSI/SI information, make up EPGNVOD and basic programme information and primary data information (pdi) according to user definition rule parsing data and storage, thus the display analysis result; After in the User Defined form, not finding corresponding resolution rules, then show initial data, make up basic PSI/SI information, make up EPGNVOD and basic programme information, thus display result.When not having the User Defined form, then resolving the code stream simulation gives out a contract for a project, receive TS bag back decomposition data to Filter, after receiving complete Section, in the DVB agreement, look for corresponding resolution rules and according to standard DVB protocol analysis data and storage, make up basic PSI/SI information, make up EPGNVOD and basic programme information and primary data information (pdi), thus display result.
According to the present invention, the user can concisely edit the carrying out of descriptor and table rule, and the descriptor that the user can have been edited imports new rule base again with the table rule, thereby has realized the User Defined rule functional.The description syntax format that the descriptor of this analysis method and table rule description grammer are gone together to descriptor and table rule on the inside and outside DVB documents and materials of reserving state as much as possible, like this, when the user adds new descriptor with the table rule, substantially do not need to revise, the user can use this analysis method fast.
Along with Digital Television is popularized at home, various places are in order to realize local the application, a large amount of proprietary protocols that adopt, the design that this method has adopted analysis software and descriptor to separate with the table rule, realized that the user arbitrarily increases and decreases the function of revising descriptor and table rule, the user has been possessed do not revise code stream analysis software and add the proprietary protocol analysis ability fast.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a method for analyzing self-help code stream is characterized in that: comprise the steps:
A), accept the input of user to user definition rule;
B), when program is initial, described user definition rule is imported;
C), when data processing is arranged by described user definition rule parsing.
2. method for analyzing self-help code stream according to claim 1 is characterized in that: described user definition rule is descriptor and table rule, and described user definition rale store is an external file.
3. method for analyzing self-help code stream according to claim 2 is characterized in that: described user definition descriptor procedure of rule may further comprise the steps:
The first step: select at the interface: edit described descriptor rule at rule editing;
Second step: in the corresponding input frame and the title of filling in described descriptor Tag value and described descriptor;
The 3rd step: fill in the descriptor rule that the user makes by oneself at described descriptor rule frame;
The 4th step: click the regular button of interpolation and get final product.
4. method for analyzing self-help code stream according to claim 2 is characterized in that: described user definition definition list procedure of rule may further comprise the steps:
Step 1: select at the interface: edit described table rule at rule editing;
Step 2: at corresponding input frame and fill in the pid value of described table, the title of TableID value and described table;
Step 3: fill in the table rule that the user makes by oneself at the regular frame of described table;
Step 4: click the regular button of interpolation and get final product.
5. method for analyzing self-help code stream according to claim 1 is characterized in that: described step a) is meant that the user edits described descriptor and table rule.
6. method for analyzing self-help code stream according to claim 2 is characterized in that: according to the TAG value of described descriptor and the PID and the TableID distinguishing rule of described table.
7. according to the described method for analyzing self-help code stream of claim 1～2, it is characterized in that: described step b) is that program imports described descriptor and table rule by reading described external file when initialization.
8. method for analyzing self-help code stream according to claim 1, it is characterized in that: it is characterized in that: described step c) be the data that will receive according to the TAG value of described descriptor and the PID and the TableID of described table, in described descriptor rule, search corresponding rule and resolve.
9. method for analyzing self-help code stream, it is characterized in that: the concrete operations step comprises: step 1, receive the user to descriptor with the table rule is edited and be external file with this descriptor and table rale store; Step 2, when program initialization, import described descriptor and table rule by reading described external file; Step 3, with the data that receive differentiation standard according to described descriptor and table, in described descriptor rule, search corresponding rule and resolve.
10. method for analyzing self-help code stream according to claim 9 is characterized in that: the TAG value that described differentiation standard is described descriptor and the PID and the TableID of described table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103058220A CN101472165A (en) | 2007-12-27 | 2007-12-27 | Method for analyzing self-help code stream |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103058220A CN101472165A (en) | 2007-12-27 | 2007-12-27 | Method for analyzing self-help code stream |
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| Publication Number | Publication Date |
|---|---|
| CN101472165A true CN101472165A (en) | 2009-07-01 |
Family
ID=40829237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103058220A Pending CN101472165A (en) | 2007-12-27 | 2007-12-27 | Method for analyzing self-help code stream |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101472165A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073534A (en) * | 2011-02-24 | 2011-05-25 | 深圳市同洲电子股份有限公司 | Data analysis method and device |
| CN103024515A (en) * | 2012-12-10 | 2013-04-03 | 康佳集团股份有限公司 | Code stream analytical method and system capable of leading in descriptor format from outside |
-
2007
- 2007-12-27 CN CNA2007103058220A patent/CN101472165A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073534A (en) * | 2011-02-24 | 2011-05-25 | 深圳市同洲电子股份有限公司 | Data analysis method and device |
| CN102073534B (en) * | 2011-02-24 | 2014-07-30 | 深圳市同洲电子股份有限公司 | Data analysis method and device |
| CN103024515A (en) * | 2012-12-10 | 2013-04-03 | 康佳集团股份有限公司 | Code stream analytical method and system capable of leading in descriptor format from outside |
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Application publication date: 20090701 |