CN107454394A - Television set HDCP encryption detection methods based on software verification - Google Patents
Television set HDCP encryption detection methods based on software verification Download PDFInfo
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- CN107454394A CN107454394A CN201710866997.2A CN201710866997A CN107454394A CN 107454394 A CN107454394 A CN 107454394A CN 201710866997 A CN201710866997 A CN 201710866997A CN 107454394 A CN107454394 A CN 107454394A
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- China
- Prior art keywords
- television set
- software verification
- hdcp
- verification step
- detection methods
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides a kind of television set HDCP encryption detection methods based on software verification, including：First software verification step：By signal source equipment by supporting HDCP information source channel to be connected to television set；Second software verification step：Signal source equipment sends one group of audio-video signal with HDCP encryptions to television set by the information source channel, to cause television for play picture；3rd software verification step：Complete machine detection camera is continuously taken pictures to the broadcasting pictures of television set；4th software verification step：Using software processing take pictures acquisition image so as to judge video whether normal play；5th software verification step：According to video, whether normal play judges whether television set HDCP encryption detections pass through.
Description
Technical field
The present invention relates to television set or display detection field；A kind of it is more particularly related to television set HDCP
(High-bandwidth Digital Content Protection, HDCP) encryption detection method.
Background technology
At present, Chinese television set manufacturing, when detection before being dispatched from the factory for the television set assembled,
Or the mode detected one by one to each function of television set in streamline using worker.TV set intelligent has become master
Stream, the TV almost produced now all carry the PORT COMs such as network interface and USB, and condition is provided for adjustment main frame and television communication,
Also white balance adjust automatically is allowed to be achieved.
It is desirable to producing line worker detects whether television set HDCP burnings succeed, and existing HDCP encryption detections instrument
Body product is big, and cost is high, thus promote technical staff be directed to developing new automation the cost more compacted it is lower
HDCP encryption detection technologies.
The content of the invention
The technical problems to be solved by the invention are for drawbacks described above in the prior art be present, there is provided a kind of automation
Television set HDCP encryption detection methods.
According to the present invention, there is provided a kind of television set HDCP encryption detection methods based on software verification, including：
First software verification step：By signal source equipment by supporting HDCP information source channel to be connected to television set；
Second software verification step：Signal source equipment sends one group of audio frequency and video with HDCP encryptions by the information source channel
Signal is to television set, to cause television for play picture；
3rd software verification step：Complete machine detection camera is continuously taken pictures to the broadcasting pictures of television set；
4th software verification step：Using software processing take pictures acquisition image so as to judge video whether normal play；
5th software verification step：According to video, whether normal play judges whether television set HDCP encryption detections pass through.
Preferably, signal source equipment is complete machine picture detection signal box.
Preferably, supporting HDCP information source channel includes HDMI information source channels, DVI information source channels, DP information source channels.
Preferably, the complete machine detection camera is the complete machine detection camera that television set carries.
Preferably, in the 5th software verification step, judge that television set HDCP encryption detections are led to if video normal play
Cross.
Preferably, in the 5th software verification step, if abnormal serial-gram occurs in video playback, TV is judged
Machine HDCP encryption detections do not pass through.
Preferably, in the 5th software verification step, judge if video normal play television set HDCP keys burning into
Work(.
Preferably, in the 5th software verification step, if abnormal serial-gram occurs in video playback, TV is judged
Machine HDCP key burnings are unsuccessful.
Preferably, abnormal serial-gram includes splashette and blank screen.
The television set HDCP encryption detections method of the automation of the present invention can substitute producing line detection workman detection television set
Whether HDCP burnings succeed, to realize semi-automation producing line and full-automatic producing line provides possibility.
Brief description of the drawings
With reference to accompanying drawing, and by reference to following detailed description, it will more easily have more complete understanding to the present invention
And be more easily understood its with the advantages of and feature, wherein：
Fig. 1 schematically shows of the television set HDCP encryption detection methods according to first preferred embodiment of the invention
The flow chart of one embodiment.
Fig. 2 schematically shows the stream of the television set HDCP encryption detection methods according to second preferred embodiment of the invention
Cheng Tu.
Fig. 3 schematically shows the stream of the television set HDCP encryption detection methods according to third preferred embodiment of the invention
Cheng Tu.
It should be noted that accompanying drawing is used to illustrate the present invention, it is not intended to limit the present invention.Pay attention to, represent that the accompanying drawing of structure can
It can be not necessarily drawn to scale.Also, in accompanying drawing, same or similar element indicates same or similar label.
Embodiment
In order that present disclosure is more clear and understandable, with reference to specific embodiments and the drawings in the present invention
Appearance is described in detail.
Three aspects of program are detected the present invention relates to hardware verification program, software verifier and directly, will passed through below
Preferred embodiment carries out specific explanations.Included performing hardware verification journey according to the television set HDCP encryption detections method of the present invention
Sequence, software verifier and at least one program directly in detection program.
<First embodiment>
Fig. 1 schematically shows the stream of the television set HDCP encryption detection methods according to first preferred embodiment of the invention
Cheng Tu.
As shown in figure 1, included according to the television set HDCP encryption detection methods of first preferred embodiment of the invention：
First hardware verification step S11：By controller by supporting HDCP information source channel to be connected to television set；
For example, the controller is single-chip microcomputer.
For example, supporting HDCP information source channel includes HDMI information source channels, DVI information source channels, DP information source channels.
Second hardware verification step S12：Controller is by supporting one group of the information source channel transmission that HDCP is encrypted to carry HDCP
The data of encryption information flow to television set, wherein the data flow does not include any audio or video information；
That is, the data flow is only merely simple data flow, it is not audio/video information data flow.
3rd hardware verification step S13：Television set according to the HDCP keys of itself to via the information source channel from control
The data flow that device receives is decrypted, and the data flow after decryption is back into controller；
4th hardware verification step S14：The data flow with HDCP encryption information is decrypted controller, and
Data flow after the decryption that data flow after decryption is returned with television set is contrasted；
5th hardware verification step S15：Judge whether television set HDCP encryption detections pass through according to comparing result.
Specifically, for example, in the 5th hardware verification step S15, the data flow after controller decryption returns with television set
Decryption after data flow it is consistent in the case of judge that television set HDCP encryption detections pass through.In the 5th hardware verification step S15,
Judge television set in the case that data flow after controller decryption and the data flow after the decryption of television set passback are inconsistent
HDCP encryption detections do not pass through.
More specifically, for example, in the 5th hardware verification step S15, the data flow after controller decryption is returned with television set
Television set HDCP keys burning success is judged in the case that data flow after the decryption of biography is consistent.In the 5th hardware verification step
S15, judge TV in the case that data flow after the decryption of data flow and the television set passback after controller decryption is inconsistent
Machine HDCP key burnings are failed.
<Second embodiment>
Fig. 2 schematically shows the stream of the television set HDCP encryption detection methods according to second preferred embodiment of the invention
Cheng Tu.
As shown in Fig. 2 included according to the television set HDCP encryption detection methods of second preferred embodiment of the invention：
First software verification step S21：By signal source equipment by supporting HDCP information source channel to be connected to television set；
For example, signal source equipment is complete machine picture detection signal box.
For example, supporting HDCP information source channel includes HDMI information source channels, DVI information source channels, DP information source channels.
Second software verification step S22：Signal source equipment sends one group of sound with HDCP encryptions by the information source channel
Vision signal is to television set, to cause television for play picture；
3rd software verification step S23：Complete machine detection camera is continuously taken pictures to the broadcasting pictures of television set；
Preferably, the complete machine detection camera is the complete machine detection camera that television set carries.
4th software verification step S24：Using software processing take pictures acquisition image so as to judging whether video is normally broadcast
Put.
5th software verification step S25：According to video, whether normal play judges whether television set HDCP encryption detections lead to
Cross.
Specifically, for example, in the 5th software verification step S25, television set HDCP is judged if video normal play
Encryption detection passes through.If abnormal serial-grams such as splashette, blank screen or low image quality occurs in video playback, television set is judged
HDCP encryption detections do not pass through.
More specifically, for example, in the 5th software verification step S25, television set is judged if video normal play
HDCP keys burning success.If abnormal serial-grams such as splashette, blank screen or low image quality occurs in video playback, electricity is judged
It is unsuccessful depending on machine HDCP key burnings.
<3rd embodiment>
Fig. 3 schematically shows the stream of the television set HDCP encryption detection methods according to third preferred embodiment of the invention
Cheng Tu.
As shown in figure 3, included according to the television set HDCP encryption detection methods of third preferred embodiment of the invention：
First direct detecting step S31：Scan television set unique encodings；
For example, in the first direct detecting step S31, can be with either scans' television set unique encodings or automatically scanning TV
Machine unique encodings.
Second direct detecting step S32：According to television set unique encodings, HDCP keys are made to be shown on television screen；
For example, in the second direct detecting step S32, by netting twine, IR remote controller or USB remote controls, according to television set
Unique encodings are controlled into factory menu to television set, so as to directly include HDCP keys on television screen.
3rd direct detecting step S33：The image on television screen is taken pictures using camera；
Preferably, the camera can be the complete machine detection camera that television set carries.Or the camera can be and electricity
Depending on the individual camera of machine separation.
4th direct detecting step S34：The image that takes of camera is identified by image recognition technology to identify in image
Key, and the key in the key and database in the image that will identify that is compared；
5th direct detecting step S35：Judge whether television set HDCP encryption detections pass through according to comparison result.
Specifically, for example, in the 5th direct detecting step S35, if in key and database in the image identified
Key agreement, then judge that television set HDCP encryption detections pass through；If in the key and database in the image identified
Key is inconsistent, then judges that television set HDCP encryption detections do not pass through.
More specifically, for example, in the 5th direct detecting step S35, if key and data in the image identified
Key agreement in storehouse, then judge television set HDCP keys burning success.If key and database in the image identified
In key it is inconsistent, then judge that television set HDCP key burnings are unsuccessful.
In the specific implementation, above-mentioned hardware verification program, software verifier can be performed and directly in detection program
Any one or more.
The television set HDCP encryption detections method of the automation of the present invention can substitute producing line detection workman detection television set
Whether HDCP burnings succeed, to realize semi-automation producing line and full-automatic producing line provides possibility.
Furthermore, it is necessary to explanation, unless otherwise indicated, the otherwise term in specification " first ", " second ", " the 3rd "
Be used only for distinguishing each component in specification, element, step etc. Deng description, without be intended to indicate that each component, element,
Logical relation or ordinal relation between step etc..
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.
Claims (9)
- A kind of 1. television set HDCP encryption detection methods based on software verification, it is characterised in that including：First software verification step：By signal source equipment by supporting HDCP information source channel to be connected to television set；Second software verification step：Signal source equipment sends one group of audio-video signal with HDCP encryptions by the information source channel To television set, to cause television for play picture；3rd software verification step：Complete machine detection camera is continuously taken pictures to the broadcasting pictures of television set；4th software verification step：Using software processing take pictures acquisition image so as to judge video whether normal play；5th software verification step：According to video, whether normal play judges whether television set HDCP encryption detections pass through.
- 2. the television set HDCP encryption detection methods according to claim 1 based on software verification, it is characterised in that signal Source device is complete machine picture detection signal box.
- 3. the television set HDCP encryption detection methods according to claim 1 or 2 based on software verification, it is characterised in that Supporting HDCP information source channel includes HDMI information source channels, DVI information source channels, DP information source channels.
- 4. the television set HDCP encryption detection methods according to claim 1 or 2 based on software verification, it is characterised in that The complete machine detection camera is the complete machine detection camera that television set carries.
- 5. the television set HDCP encryption detection methods according to claim 1 or 2 based on software verification, it is characterised in that In the 5th software verification step, judge that television set HDCP encryption detections pass through if video normal play.
- 6. the television set HDCP encryption detection methods according to claim 1 or 2 based on software verification, it is characterised in that In the 5th software verification step, if abnormal serial-gram occurs in video playback, television set HDCP encryption detections are judged Do not pass through.
- 7. the television set HDCP encryption detection methods according to claim 1 or 2 based on software verification, it is characterised in that In the 5th software verification step, television set HDCP keys burning success is judged if video normal play.
- 8. the television set HDCP encryption detection methods according to claim 1 or 2 based on software verification, it is characterised in that In the 5th software verification step, if abnormal serial-gram occurs in video playback, television set HDCP key burnings are judged It is unsuccessful.
- 9. the television set HDCP encryption detection methods according to claim 8 based on software verification, it is characterised in that not just Normal serial-gram includes splashette and blank screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866997.2A CN107454394A (en) | 2017-09-22 | 2017-09-22 | Television set HDCP encryption detection methods based on software verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866997.2A CN107454394A (en) | 2017-09-22 | 2017-09-22 | Television set HDCP encryption detection methods based on software verification |
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| Publication Number | Publication Date |
|---|---|
| CN107454394A true CN107454394A (en) | 2017-12-08 |
Family
ID=60497180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710866997.2A Pending CN107454394A (en) | 2017-09-22 | 2017-09-22 | Television set HDCP encryption detection methods based on software verification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062294A (en) * | 2019-04-24 | 2019-07-26 | 晶晨半导体(上海)股份有限公司 | Method for transmitting signals and system based on HDCP key |
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| US8442215B2 (en) * | 2010-07-09 | 2013-05-14 | Crestron Electronics Inc. | Determining HDCP source KSV support |
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| KR20110057016A (en) * | 2009-11-23 | 2011-05-31 | 엘지전자 주식회사 | Device and method for protecting a error of hdcp key data in television set |
| CN101799503A (en) * | 2010-04-06 | 2010-08-11 | 福建捷联电子有限公司 | Method for uniformly testing DDC, HDCP and full screen picture on display |
| US8442215B2 (en) * | 2010-07-09 | 2013-05-14 | Crestron Electronics Inc. | Determining HDCP source KSV support |
| CN102905161A (en) * | 2012-09-28 | 2013-01-30 | 福州德州电子科技有限公司 | Automatic test method and system of television flow line production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110062294A (en) * | 2019-04-24 | 2019-07-26 | 晶晨半导体(上海)股份有限公司 | Method for transmitting signals and system based on HDCP key |
| CN110062294B (en) * | 2019-04-24 | 2021-10-19 | 晶晨半导体(上海)股份有限公司 | HDCP (high-level data protection protocol) key-based signal transmission method and system |
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Application publication date: 20171208 |
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