TWI527446B - Network video stream broadcasting system and method - Google Patents

Description

Network video stream broadcasting system and method

The present invention relates to a broadcast system and method, and more particularly to a network video stream broadcast system and broadcast method.

With the popularity of mobile Internet and wireless networks, there are more and more ways for people to access information. Many people often use mobile devices to browse multimedia videos. On the other hand, in the field of TV technology, instant video is transmitted through the Internet. Network transmission, and then using mobile devices to browse video and audio via mobile Internet or wireless network, has also become an application technology.

Even if the mobile operators strive to improve the coverage and service quality of the mobile Internet, the actual transmission rate will still depend on the current situation, including the number of connected people at that time, the location of the connection and the network card used, etc., will affect the transmission rate. .

If the user accesses the mobile device via the mobile device or via the mobile Internet or wireless network, the instant video via the network box or the Internet, but the interruption of the viewing due to the instability of the mobile Internet or the wireless network may result in the missed It is regrettable that the program is currently being watched. Therefore, how to avoid user discontinuity is an important issue.

One aspect of the present invention relates to a network video streaming broadcast system, including: a broadcast module, a video module, and a control module. The broadcast module is used to communicate with the mobile device via the Internet and transmit at least one live video stream to the mobile device. The video module is coupled to the broadcast module and used to record audio and video data corresponding to the live video stream. The control module is coupled to the broadcast module and the video module for detecting whether the mobile device and the broadcast module are disconnected, and controlling the video module to record the buffer data corresponding to the instant video stream according to the detection result or Continue to record the streamed data after the buffer data.

According to an embodiment of the present invention, when the control module detects that the mobile device and the broadcast module are disconnected, the control module controls the video module to continue to record the streamed data subsequent to the buffer data, and the video module continues to record The stream data is stored until the live video stream is transmitted.

According to an embodiment of the present invention, when the program in the electronic program table (EPG) corresponding to the instant video stream ends, the instant video stream is transmitted.

According to an embodiment of the present invention, when the control module detects that the mobile device is connected to the broadcast module, the control module controls the video module to record the buffer data corresponding to the instant video stream.

According to an embodiment of the present invention, the video module records the video data for a predetermined period of time as buffer data, and the predetermined period is a time required by the control module to detect whether the mobile device and the broadcast module are disconnected.

According to an embodiment of the present invention, when the mobile device and the broadcast module are restored to the connection by the disconnection, the mobile device receives the streamed data of the buffered data or receives the instant stream of the corresponding instant video stream. data.

According to an embodiment of the invention, the control module detects whether the mobile device and the broadcast module are disconnected according to a predetermined timeout period between the server and the client in a predetermined network protocol.

According to an embodiment of the invention, the broadcast module, the video module and the control module are integrated in the same housing.

Another aspect of the present invention relates to a network video stream broadcast method, including: transmitting at least one instant video stream; storing buffer data corresponding to the instant video stream; detecting the mobile device and the broadcast module Whether the line is disconnected; and when the mobile device and the broadcast module are disconnected, the subsequent streamed data of the buffered data is continuously recorded.

According to an embodiment of the present invention, the network video stream broadcast method further includes: when the mobile device is connected to the broadcast module, continuously storing the buffer data corresponding to the instant video stream.

According to an embodiment of the invention, the step of recording the buffered data further comprises recording the video data for a predetermined period of time as buffering data, and the predetermined period is a time required for detecting whether the mobile device and the broadcast module are disconnected.

According to an embodiment of the present invention, the network video stream broadcast method further comprises: continuously detecting whether the mobile device and the broadcast module are restored; and continuously storing the stream data when the mobile device and the broadcast module are not restored. Until the instant video stream is transmitted; and when the mobile device and the broadcast module are restored to the connection by the disconnection, the mobile device receives the buffered data and subsequently records the streamed data or receives the corresponding instant video stream. Instant streaming data.

According to an embodiment of the present invention, when the program in the electronic program table (EPG) corresponding to the instant video stream ends, the instant video stream is transmitted.

According to an embodiment of the invention, the step of detecting whether the mobile device and the broadcast module are disconnected is performed according to a predetermined timeout period between the server and the client in a predetermined network protocol.

According to the technical content of the above aspect of the present invention, an embodiment of the present invention can provide a user with a complete program viewing experience when watching a live video and audio through a mobile network or a wireless network. The road is unstable and the viewing is interrupted.

In order to make the description of the present invention more complete and complete, reference is made to the accompanying drawings and the accompanying drawings. On the other hand, well-known elements and steps are not described in the embodiments to avoid unnecessarily limiting the invention.

FIG. 1 is a schematic diagram of a network video stream broadcast system according to an embodiment of the invention. As shown in FIG. 1 , the network video streaming broadcast system 100 includes a broadcast module 110 , a video module 120 , and a control module 130 . The video module 120 is coupled to the broadcast module 110 to record the video stream transmitted or received by the broadcast module 110. The control module 130 is coupled to the broadcast module 110 and the video module 120 to control the operations of the broadcast module 110 and the video module 120.

The broadcast module 110 is configured to communicate with the mobile device 140 via the Internet and transmit at least one live video stream to the mobile device 140 to provide a user to view the instant video. The video module 120 is configured to record audio and video data corresponding to the instant video stream, and has a storage space for storing the recorded video and audio data, and also provides recorded audio and video data selected by the user. The control module 130 is configured to detect whether the mobile device 140 and the broadcast module 110 are disconnected, that is, to detect whether the instant video and audio viewed by the user are interrupted, and control the video module to record the corresponding instant video string according to the detection result. The stream buffer data or the subsequent stream data of the subsequent buffer data, wherein the buffer data is a pre-recorded real-time video and audio data, and the stream data is a real-time video and audio material after the buffer data is connected.

In one embodiment, the broadcast module 110 can be a device that integrates video, voice, and network protocol technologies. The mobile device 140 can be a mobile communication device, such as a smart phone, a personal digital assistant, a tablet computer, etc., which provides a user with a message anytime, anywhere, or can be carried around with the user. In an embodiment, the mobile device 140 can connect to the Internet through a mobile network or a wireless network, and transmit or receive signals, and can also control the broadcast module 110 to perform program switching or programs through the user's operation interface. Recording, etc. In an embodiment, the broadcast module 110 can transmit and receive television signals through the Internet, and the control module 130 controls the video module 120 to record real-time video streams corresponding to the television signals.

When the control module 130 detects that the mobile device 140 and the broadcast module 110 are disconnected, the program that the user is watching is interrupted, and the control module 130 controls the video module 120 to continue to record the buffer data. Streaming data so that the list of sections that have not been viewed due to interruption can be saved so that the user can choose to watch the interrupted program in the future. If the control module 130 detects that the mobile device 140 and the broadcast module 110 are still disconnected, the video module 120 continues to record the streaming data until the instant video stream is transmitted, that is, if the mobile device 140 and the broadcast module When the group 110 is not restored, the user cannot watch the current program, and the video module 120 continues to buffer the data to start recording, and continues to record until the end of the program that the user is watching. In an embodiment, when the program in the electronic program table (EPG) corresponding to the instant video stream ends, the instant video stream is transmitted, that is, the electronic program table can provide the time of the program that the user watches at the time. Length, and used to determine whether the program being watched is over.

When the control module 130 detects that the mobile device 140 is connected to the broadcast module 110, and the user normally watches the program, the control module 130 controls the video module 120 to record the buffer corresponding to the live video stream. Data, in which the buffer data is the pre-recorded instant audio and video data.

In an embodiment, the video module records the video data for a predetermined period of time as buffer data, and the predetermined period of time is the time required for the control module 130 to detect whether the mobile device 140 and the broadcast module 110 are disconnected, that is, The length of time that the buffer data is recorded is the same as the time required to detect if the user is disconnected. In another embodiment, the predetermined period is that the control module 130 determines that the user has not responded to the unit time during a period of time, and if it does not respond within the period, it determines that the line is disconnected.

In an embodiment, when the mobile device 140 and the broadcast module 110 are restored to the connection by disconnection, the user can resume from the interrupted program to the normal viewing program, and the mobile device 140 receives the buffered data and subsequently records the data. Streaming data or receiving real-time streaming data corresponding to the instant video stream. That is to say, when the user resumes the connection by disconnection, the user can select to watch the program recorded by the video module 120 or watch the live video program.

In an embodiment, the control module 130 detects whether the mobile device and the broadcast module are disconnected according to a predetermined timeout period between the server and the client in a predetermined network protocol, wherein the predetermined network protocol is determined. It can be, for example, the IEEE 802.11 standard.

In one embodiment, the broadcast module 110, the video module 120, and the control module 130 are integrated into the same housing, thereby reducing the size and cost.

FIG. 2 is a schematic flow chart of a method for broadcasting a network video stream according to an embodiment of the invention. As shown in FIG. 2, the network video stream broadcast method 200 can be implemented by the network video stream broadcast system 100 shown in FIG. 1, but is not limited thereto. For clarity of explanation, the following operational steps can be explained simultaneously with reference to Figures 1 and 2. The steps of the broadcast method 200 are not limited by the order unless otherwise stated.

The network video stream broadcast method 200 includes steps 210-280. In step 210, at least one live video stream is transmitted, wherein the instant video stream can be transmitted by the broadcast module 110 over the Internet, and the mobile device 140 can connect to the Internet through a mobile network or a wireless network, and receive This instant video stream, that is, the user can view the live video program received by the mobile device 140.

In step 220, the buffer data corresponding to the instant video stream is recorded, wherein the video module 120 records the video data of a predetermined period as buffer data, and the predetermined period is whether the mobile device 140 and the broadcast module 110 are disconnected. The time required for the line, that is, the length of time the buffer data is recorded is the same as the time required to detect whether the user is disconnected. In an embodiment, the predetermined period is that the control module 130 determines that the user has not responded to the unit time during a period of time, and if it does not respond within the period, it determines that the line is disconnected.

In step 230, it is detected whether the mobile device 140 and the broadcast module 110 are disconnected. The step of detecting whether the mobile device 140 and the broadcast module 110 are disconnected may be based on a server and a client in a predetermined network protocol. Executed between the specified timeouts, which may be, for example, the IEEE 802.11 standard.

In step 240, when the mobile device 140 and the broadcast module 110 are disconnected, the stream data subsequent to the buffer data is successively recorded. When the mobile device 140 is disconnected from the broadcast module 110, the program that the user is watching may be interrupted. By the execution of step 240, the directory of the section that the user has not watched when the program is interrupted may be saved, so that the user can Choose to watch the interrupted show. When the mobile device 140 is connected to the broadcast module 110, the user is watching the program normally, and returns to step 220 to continuously record the buffered data corresponding to the instant video stream.

In step 250, it is continuously detected whether the mobile device 140 and the broadcast module 110 are restored, that is, continuously detecting whether the user selects to resume the connection between the mobile device 140 and the broadcast module 110.

In step 260, when the mobile device 140 and the broadcast module 110 are not restored, the streaming data is continuously recorded until the instant video stream is transmitted, that is, the video module 120 continues to buffer the data to start recording, and continues to record. Until the end of the program that the user was watching. In an embodiment, when the program in the electronic program table (EPG) corresponding to the instant video stream ends, the instant video stream is transmitted, that is, the electronic program table can provide the time of the program that the user watches at the time. Length, and used to determine whether the program being watched is over.

In step 270, when the mobile device 140 and the broadcast module 110 are restored to the connection by disconnection, it is determined whether the broadcast module 110 is required to transmit the live video stream, that is, whether the user selects to watch the live video stream.

In step 280, if the broadcast module 110 is not required to transmit the live video stream (ie, the user chooses not to watch the live video stream), the mobile device 140 receives the stream data that is subsequently buffered, that is, the user. Select to watch the program recorded by the video module 120.

If the broadcast module 110 is required to transmit the live video stream (ie, the user selects to watch the live video stream), then return to step 210 to receive the live stream data corresponding to the instant video stream, that is, the user selects to watch the video stream. program.

Therefore, when the control module 130 determines that the user has disconnected, the recording module 120 is started to start recording the instant video program viewed by the current user. If the user has not resumed the connection, the video module 120 continues to record to the end of the program currently viewed by the user according to the length of the program provided in the electronic program guide (EPG). When the user resumes the connection, they can choose to watch the recorded program or the live video program.

In summary, when the user's mobile network or wireless network is interrupted or the transmission rate is reduced and the instant video and audio cannot be completely received, the video will be recorded. When the network resumes transmission, the user is continuously viewed without being caused by the user. Externally unstable conditions affect the program that the user wants to watch. Therefore, the present invention can provide a user with a complete program viewing experience when watching a live video and audio through a mobile network or a wireless network, without interrupting the viewing due to network instability.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100. . . Network video streaming system

110. . . Broadcast module

120. . . Video module

130. . . Control module

140. . . Mobile device

200. . . Network video streaming broadcast method

210～280. . . step

FIG. 1 is a schematic diagram of a network video stream broadcasting system according to an embodiment of the present invention.

FIG. 2 is a schematic flow chart of a method for broadcasting a network video stream according to an embodiment of the invention.

200. . . Network video streaming broadcast method

210～280. . . Steps

Claims (14)

A network video streaming broadcast system includes: a broadcast module for communicating with a mobile device via the Internet, and transmitting at least one live video stream to the mobile device; a video module coupled The broadcast module is configured to record video and audio data corresponding to the audio and video stream; and a control module is coupled to the broadcast module and the video module for detecting the mobile device and the broadcast Whether the module is disconnected or not, and according to the detection result, the recording module is controlled to store the buffer data corresponding to the instant video stream or to continuously record the stream data of the buffer data. The network video stream broadcast system of claim 1, wherein when the control module detects that the mobile device is disconnected from the broadcast module, the control module controls the video module to continuously record the buffer. The streaming data is followed by the data, and the video module continues to record the streaming data until the instant video stream is transmitted. The network video streaming broadcast system of claim 2, wherein the live video stream is transmitted when the program in the electronic program table (EPG) corresponding to the instant video stream ends. The network video streaming broadcast system of claim 1 or 3, wherein when the control module detects that the mobile device is connected to the broadcast module, the control module controls the recording of the video module relative to This buffered data should be streamed for instant video streaming. The network video stream broadcast system of claim 4, wherein the video module records the video data for a predetermined period of time as the buffer data, and the control module detects the mobile device and the broadcast module for the predetermined period. Whether the group is disconnected or not. The network video streaming broadcast system of claim 4, wherein when the mobile device and the broadcast module are restored to a connection by disconnection, the mobile device receives the buffered data and subsequently records the streamed data. Or receive real-time streaming data corresponding to the instant video stream. The network video streaming broadcast system of claim 1, wherein the control module detects the mobile device according to a timeout period specified between a server and a client in a predetermined network protocol. Whether the broadcast module is disconnected. The network video stream broadcast system of claim 1, wherein the broadcast module, the video module, and the control module are integrated in the same housing. A network video streaming broadcast method includes: transmitting at least one instant video stream to a mobile device via a broadcast module; storing buffer data corresponding to the instant video stream; detecting the mobile device and the broadcast module Whether the line is disconnected; and when the mobile device is disconnected from the broadcast module, the streamed data of the buffered data is continuously recorded. The network video stream broadcast method of claim 9, further comprising: when the mobile device is connected to the broadcast module, continuously storing the buffer data corresponding to the instant video stream. The method for recording a network video stream according to claim 9, wherein the step of recording the buffer data further comprises: recording the video data for a predetermined period of time as the buffer data, wherein the predetermined period is detecting the mobile device and the The time required for the broadcast module to be disconnected. The network video stream broadcast method of claim 9, further comprising: continuously detecting whether the mobile device and the broadcast module are reconnected; and when the mobile device is not reconnected with the broadcast module, continuing Recording the streaming data until the instant video stream is transmitted; and when the mobile device and the broadcast module are restored to the connection by disconnection, the mobile device receives the buffer and subsequently records the stream Data or receive real-time streaming data corresponding to the instant video stream. The network video stream broadcast method of claim 12, wherein the live video stream is transmitted when the program in the electronic program table (EPG) corresponding to the instant video stream ends. The network video stream broadcasting method according to claim 9, wherein The step of detecting whether the mobile device and the broadcast module are disconnected is performed according to a timeout period specified between a server and a client in a predetermined network protocol.