CN107249141B - Recording and broadcasting method for live program - Google Patents
Recording and broadcasting method for live program Download PDFInfo
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- CN107249141B CN107249141B CN201710375365.6A CN201710375365A CN107249141B CN 107249141 B CN107249141 B CN 107249141B CN 201710375365 A CN201710375365 A CN 201710375365A CN 107249141 B CN107249141 B CN 107249141B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000003139 buffering effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 230000006399 behavior Effects 0.000 description 2
- 230000007958 sleep Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Strategic Management (AREA)
- Human Computer Interaction (AREA)
- Finance (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Social Psychology (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention provides a method for recording and broadcasting live programs, which comprises the steps of firstly establishing wireless communication between a mobile phone and a set top box, constantly judging whether a user watches the live programs, if the user does not watch the live programs, recording a time point T1 when the user does not watch the live programs, then judging the attribute of a video frame corresponding to the time point, determining a cache starting time point T according to the attribute of the video frame, and then according to the network speed of the mobile phone, successively sending decoded video files to the mobile phone by the set top box for caching; the method solves the problem that a large amount of memory is occupied due to the fact that the video clips are recorded firstly and then the watched video clips are deleted according to the activities of the user in the prior art, and further improves the video recording missing efficiency.
Description
Technical Field
The invention belongs to the field of recording and broadcasting of live programs, and particularly relates to a recording and broadcasting method of live programs.
Background
In the traditional television equipment, when a user sleeps or leaves without operating the television in the middle of watching the television, the television can be operated all the time, so that on one hand, energy is wasted; on the other hand, the user may miss watching the television program played while sleeping or away; in order to solve the above problems, smart tvs have been developed that are intelligently aware and automatically adjust, i.e., by detecting the user's activities, determining the user's status: whether the user is in a watching, sleeping or leaving state, to determine to maintain, reduce or restore the output intensity of the sound and the image brightness; however, in the prior art, the problem that the television programs played when the user leaves or falls asleep are overlooked is not solved; when the activity state of the user is judged, the judgment basis is single, misjudgment is easy to occur, troubles are brought to the user, and the user experience is poor; in order to solve the problems in the prior art, CN102665132 discloses an automatic control method for a smart television and a television device, and the method records a television program at first; monitoring the activity of the user and judging the activity state of the user at intervals of a set time to obtain a judgment result of whether the user watches the television; storing the result of each judgment and the corresponding judgment time information; analyzing the judgment result, and deleting the television programs recorded in the continuous time interval when the judgment result shows that the user continuously judges that the user watches the television; the method solves the problem that a user is asleep or leaves to miss watching television, but the scheme has the problems that videos watched by the user need to be recorded at first, and then the watched videos are deleted according to user behaviors, so that the method occupies a large amount of contents, and some advertisements or video segments which are not interesting to the user can be recorded.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a live program recording and broadcasting method, which records live programs missed by users on a mobile phone according to the activities of the users, saves a large amount of memory space and improves the overall recording efficiency.
The specific technical scheme of the invention is as follows:
the invention provides a recording and broadcasting method of live programs, which comprises the following steps:
the invention has the following beneficial effects:
the invention provides a method for recording and broadcasting live programs, which comprises the steps of firstly establishing wireless communication between a mobile phone and a set top box, constantly judging whether a user watches the live programs, if the user does not watch the live programs, recording a time point T1 when the user does not watch the live programs, then judging the attribute of a video frame corresponding to the time point, determining a cache starting time point T according to the attribute of the video frame, and then according to the network speed of the mobile phone, successively sending decoded video files to the mobile phone by the set top box for caching; the method solves the problem that a large amount of memory is occupied due to the fact that the video clips are recorded firstly and then the watched video clips are deleted according to the activities of the user in the prior art, and further improves the video recording missing efficiency.
Drawings
Fig. 1 is a flowchart of a recording and playing method of a live program according to embodiment 1;
FIG. 2 is a flowchart of step S2 in example 2;
FIG. 3 is a flowchart of step S3 in example 3;
FIG. 4 is a flowchart of step S32 in example 4;
fig. 5 is a flowchart of a recording and playing method of a live program according to embodiment 5;
FIG. 6 is a flowchart of step S4 in example 5.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Example 1
An embodiment 1 of the present invention provides a method for recording and broadcasting a live program, as shown in fig. 1, where the method includes the following steps:
s1: establishing wireless communication between the mobile phone and the set top box;
s2: judging whether the user watches the live program at any moment, recording a time point T1 when the user does not watch the live program, and performing step S3;
s3: and judging the category of the video frame corresponding to the time point T1, determining the caching starting time point T according to the category of the video frame, and sending the decoded video file to the mobile phone for caching by the set-top box according to the network speed of the mobile phone.
The invention provides a method for recording and broadcasting live programs, which comprises the steps of firstly establishing wireless communication between a mobile phone and a set top box, constantly judging whether a user watches the live programs, if the user does not watch the live programs, recording a time point T1 when the user does not watch the live programs, then judging the attribute of a video frame corresponding to the time point, determining a cache starting time point T according to the attribute of the video frame, and then according to the network speed of the mobile phone, successively sending decoded video files to the mobile phone by the set top box for caching; the method solves the problem that a large amount of memory is occupied due to the fact that the video clips are recorded firstly and then the watched video clips are deleted according to the activities of the user in the prior art, and further improves the video recording missing efficiency.
Example 2
An embodiment 2 of the present invention provides a method for recording and broadcasting a live program, which is basically the same as that in embodiment 1, except that, as shown in fig. 2, step S2 includes:
s21: acquiring images in front of the television at any moment, identifying face images, and performing step S22;
s22: judging the state of an eye image in the face image, recording a time point T2 corresponding to the face image when the eye closing state occurs, and caching a video data packet output to the television by the set-top box from the time point T2;
s23: continuing to judge the state of the eye image in each face image from the time point T2, searching the face image with the eye state being non-eye-closing state closest to the time point T2, and if the eye image is found, performing the step S24;
s24: recording a time point T3 corresponding to the face image with the eye state being a non-eye-closing state;
s25, calculating a time difference △ T1 between T3 and T2, comparing the time difference △ T1 with a time difference threshold △ T, performing step S26 when △ T1 is not less than △ T, and performing step S27 when △ T1 is less than △ T;
s26: the set top box stops caching, sends the video data packets cached from T2 to T3 to the mobile phone, and simultaneously carries out the step S3 at the moment of T3;
s27: the set-top box stops buffering and automatically deletes the video data packets buffered from T2 to T3;
s28, when no face image with the eye state being the non-eye-closing state is found after △ T time is searched in the step S23, carrying out the step S29;
s29, the set-top box stops buffering, and sends the video data packet buffered from T2 to T2+ △ T to the mobile phone, and simultaneously carries out the step S3 at the time of T2+ △ T;
s210: when the face image does not exist in the image acquired in step S21, the time point of the first acquired image without the face image is recorded, and step S3 is performed.
The invention further defines step S2, which includes acquiring an image before the television at a certain time, recognizing a face image, when the face image does not exist, indicating that a person leaves the television, recording a first time point when the face image does not exist, then performing step S3, when the face image exists, determining the eye state in the face image, and determining whether the eye state is in a sleeping state, wherein the specific process includes recording a time point T2 when the eye state is in a closed eye state, then the set-top box starts to buffer decoded video data packets from a time point T2, then continuously determining the eye state from a time point T2, when a picture in an eye open state is found, recording a time point T3 corresponding to the picture, then calculating a time difference between T2 and T3, when the time difference is short, the video data packets may be caused by fatigue of the eyes of the user, performing appropriate judgment, when the set-top box stops, automatically deleting the video data packets buffered from the T2 buffer to the T3 buffer, when the time difference is short, the user may be a time point T356, and the mobile phone starts to be in the eye open state, and the video data packet is sent to the T4642, and the set-top box may be sent to the sleep state after the step S4642, and the step S3642 is started, when the eye open video data is found, the eye state is not found, the eye state, and the time point T4642 is not found, and the eye open, the mobile phone is not found, and the mobile phone is not found, the mobile phone is sent to be sent to the mobile phone △, and the mobile phone is sent to the closed eye state after the time point T4619.
Example 3
An embodiment 3 of the present invention provides a method for recording and broadcasting a live program, which is basically the same as that in embodiment 1, except that, as shown in fig. 3, step S3 includes:
s31: judging whether the video frame corresponding to the time point T1 is an advertisement video frame, if not, determining that the cache start time point T is T1, and performing step S32;
s32: the set top box sends the decoded video data packet to the mobile phone for caching from the determined caching start time point through the wireless network;
s33: when the step S31 determines that the video frame corresponding to the time point T1 is an advertisement video frame, the broadcast day sheet of the channel corresponding to the advertisement is called to find out the end time point T4 of the advertisement;
s34: it is determined that the buffering start time point T is T4, and step S32 is performed.
The invention further limits the step S3, and limits whether the video frame corresponding to the time T1 is the advertisement video frame, if the video frame is the advertisement video frame, the buffer memory is not carried out until the advertisement is played, thus saving the buffer memory space and ensuring that the buffer memory video is the video content which is overlooked by the user and is not the advertisement.
Example 4
Embodiment 4 of the present invention provides a method for recording and broadcasting a live program, which is basically the same as that in embodiment 3, except that, as shown in fig. 4, step S32 includes:
s321: from the cache starting time point T, the set top box sends the video file decoded by the preset time period Td to the mobile phone;
s322: calculating the number M of video data packets transmitted in the Td;
s323: calculating the time Tm used by the mobile phone to play the M video data packets;
s324: comparing Tm with Td, performing step 325 when Tm is greater than Td, and performing step S326 when Tm is less than or equal to Td;
s325: the set top box sends the basic layer file decoded by the next preset time period Td to the mobile phone;
s326: and the set top box sends the base layer file and the enhancement layer file decoded by the next preset time period Td to the mobile phone.
The invention further judges the network speed of the mobile phone, firstly the set-top box sends the video files decoded in the time slot Td to the mobile phone for caching, then counts the number M of the sent video data packets, and calculates the time for playing the M video data packets by the mobile phone, if the time exceeds Td, the network speed of the mobile phone is slow, and a pause phenomenon exists, so that the set-top box sends the basic layer files decoded in the next preset time slot Td to the mobile phone, and when the time is shorter than Td, the set-top box sends the basic layer files and the enhancement layer files decoded in the next preset time slot Td to the mobile phone, thereby sequentially ensuring the smoothness of the playing of the mobile phone and also ensuring the efficiency of video recording.
Example 5
An embodiment 5 of the present invention provides a method for recording and broadcasting a live program, which is basically the same as that in embodiment 4, except that, as shown in fig. 5, the method further includes:
s4: collecting processing instructions of a user on the cached video data packet through a mobile phone, analyzing and judging the processing instructions, and determining a sent video file according to a judgment result;
as shown in fig. 6, the specific method of step S4 is as follows:
s41: recording the video time length C of a video file sent to the mobile phone by the set-top box within a preset time period Td;
s42: collecting a viewing time taken by a user to view the video fileC1, calculating the viewing rate K,
comparing the watching rate with a watching rate threshold value K1, performing step S43 when K is more than or equal to K1, and performing step S44 when K is less than K1;
s43: continuously transmitting the video file of the next preset time period Td;
s44: only the base layer file of the next predetermined period Td is sent to the handset.
On the other hand, when the cached television program is sent to the mobile phone again, the set top box continuously sends the television program, the behavior of the user is judged at all times in the sending process, and when the user carries out multiple fast forward playing on the video file sent in the preset time period Td, the missed program is possibly uninterested by the user, so that the set top box only sends the basic layer file in the next preset time period Td to the mobile phone, the cache of the missed program is guaranteed, the bandwidth is saved, and the recording efficiency of other segments is improved.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (5)
1. A method for recording and broadcasting live programs is characterized by comprising the following steps:
s1: establishing wireless communication between the mobile phone and the set top box;
s2: judging whether the user watches the live program at any moment, recording a time point T1 when the user does not watch the live program, and performing step S3;
step S2 includes:
s21: acquiring images in front of the television at any moment, identifying face images, and performing step S22;
s22: judging the state of an eye image in the face image, recording a time point T2 corresponding to the face image when the eye closing state occurs, and caching a video data packet output to the television by the set-top box from the time point T2;
s23: continuing to judge the state of the eye image in each face image from the time point T2, searching the face image with the eye state being non-eye-closing state closest to the time point T2, and if the eye image is found, performing the step S24;
s24: recording a time point T3 corresponding to the face image with the eye state being a non-eye-closing state;
s25, calculating a time difference △ T1 between T3 and T2, comparing the time difference △ T1 with a time difference threshold △ T, performing step S26 when △ T1 is not less than △ T, and performing step S27 when △ T1 is less than △ T;
s26: the set top box stops caching, and sends the video data packets cached from T2 to T3 to the mobile phone, and simultaneously performs the step S3; at this time, the time point T1 is T3;
s27: the set-top box stops buffering and automatically deletes the video data packets buffered from T2 to T3;
s28, when no face image with the eye state being the non-eye-closing state is found after △ T time is searched in the step S23, carrying out the step S29;
s29, the set-top box stops buffering, and sends the video data packets buffered from T2 to T2+ △ T to the mobile phone, and simultaneously, the step S3 is carried out, wherein the time point T1 is T2+ △ T;
s210: when the face image does not exist in the image acquired in the step S21, recording the time point of the first acquired image without the face image, and performing the step S3;
s3: judging the category of the video frame corresponding to the time point T1, determining the caching starting time point T according to the category of the video frame, and sending the decoded video file to the mobile phone for caching by the set-top box according to the network speed of the mobile phone;
s4: collecting processing instructions of a user on the cached video data packet through a mobile phone, analyzing and judging the processing instructions, and determining a sent video file according to a judgment result;
step S4 includes:
s41: recording the video time length C of a video file sent to the mobile phone by the set-top box within a preset time period Td;
S42: the viewing time C1 taken by the user to view the video file is collected, the viewing rate K is calculated,
comparing the watching rate with a watching rate threshold value K1, performing step S43 when K is more than or equal to K1, and performing step S44 when K is less than K1;
s43: continuously transmitting the video file of the next preset time period Td;
s44: only the base layer file of the next predetermined period Td is sent to the handset.
2. The recording method of the live program as claimed in claim 1, wherein the step S3 includes:
s31: judging whether the video frame corresponding to the time point T1 is an advertisement video frame, if not, determining that the cache start time point T is T1, and performing step S32;
s32: and the set top box sends the decoded video data packet to the mobile phone for caching from the determined caching starting time point through the wireless network.
3. The method for recording and broadcasting live programs according to claim 2, wherein the step S3 further comprises:
s33: when the step S31 determines that the video frame corresponding to the time point T1 is an advertisement video frame, the broadcast day sheet of the channel corresponding to the advertisement is called to find out the end time point T4 of the advertisement;
s34: it is determined that the buffering start time point T is T4, and step S32 is performed.
4. The recording method of the live program as claimed in claim 3, wherein the step S32 includes:
s321: from the cache starting time point T, the set top box sends the video file decoded by the preset time period Td to the mobile phone;
s322: calculating the number M of video data packets transmitted in the Td;
s323: calculating the time Tm used by the mobile phone to play the M video data packets;
s324: comparing Tm with Td, performing step 325 when Tm is greater than Td, and performing step S326 when Tm is less than or equal to Td;
s325: the set top box sends the basic layer file decoded by the next preset time period Td to the mobile phone;
s326: and the set top box sends the base layer file and the enhancement layer file decoded by the next preset time period Td to the mobile phone.
5. The recording and broadcasting method of the live program of claim 4, wherein when sending the video file to the mobile phone, sending a prompt message whether to continue recording to the mobile phone, and judging whether to continue sending the video file to the mobile phone according to the instruction whether to continue recording fed back by the mobile phone.
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| CN107948672B (en) * | 2017-11-30 | 2020-10-27 | 广州酷狗计算机科技有限公司 | Method and system for storing video data, server and wearable device |
| CN110278488B (en) * | 2019-06-28 | 2021-07-27 | 百度在线网络技术（北京）有限公司 | Play control method and device |
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| CN103531214A (en) * | 2013-10-18 | 2014-01-22 | 深圳市金立通信设备有限公司 | Control method and control device of indoor equipment |
| CN104540020A (en) * | 2015-01-19 | 2015-04-22 | 无锡桑尼安科技有限公司 | Recording method for television-program information when audience falls into sleep |
| CN105007520A (en) * | 2015-07-13 | 2015-10-28 | 华勤通讯技术有限公司 | Television program recording method, recording equipment and recording system |
| CN105430500A (en) * | 2015-11-30 | 2016-03-23 | 努比亚技术有限公司 | Mobile terminal-based automatic program acquisition method and system, and program playing device |
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