CN106534055A - Video transmission method and system - Google Patents
Video transmission method and system Download PDFInfo
- Publication number
- CN106534055A CN106534055A CN201510606567.8A CN201510606567A CN106534055A CN 106534055 A CN106534055 A CN 106534055A CN 201510606567 A CN201510606567 A CN 201510606567A CN 106534055 A CN106534055 A CN 106534055A
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- Prior art keywords
- video
- frame
- receiver
- transmitter
- transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/613—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for the control of the source by the destination
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a video transmission method and system. The video transmission method comprises the steps of establishing a transmission channel between a transmitter and a receiver; transmitting video frames to the receiver at an initial frame rate by the transmitter; playing the video frames and feeding back the rate of the video frames to the transmitter by the receiver; and adjusting the transmission frame rate based on the feedback information and carrying on transmitting the video frames to the receiver at the adjusted frame rate by the transmitter. Through real-time feedback of the video frame rate in the transmission process, and real-time judgment and adjustment for the transmission frame rate, the discarding problem of data packets in the video transmission is greatly reduced, and video transmission via a small data volume can be realized.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of video transmission method and system.
Background technology
At present, in most of video transmission technologies, transmitter checks experience in the video that can obtain high definition smoothness in network environment in the case of preferable simultaneously with receiver.But when under the 3G/4G network environments, when broadband is limited, then the problems such as video connection is slow, and the caching load time is long, flow is consumed the more, bandwidth is occupied just occurs.Reason prior art is, in transmission of video, video is set as fixing frame per second, under conditions of frame per second, resolution ratio and video compression technology are certain, so video data size is certain, when bandwidth is not enough to all transfer all of video bag, most of packets, can just be dropped when a part is transmitted.Not only cause out figure speed slow, more cause the waste of network traffics and bandwidth.In real-time video transmission, after each frame spreads out of, all stand-by period and certain spatial cache.When caching is not enough or stand-by period time-out, it is impossible to which the video data bag for constituting a frame will be abandoned.The packet of discarding is more, then the flow of waste and bandwidth are more, and network environment is more poor more easily causes this waste.Wherein also there is part to avoid the restriction that data are brought because of bandwidth deficiency using the mode of caching, but also result in that video real-time is not enough, the problem that the partial video time period loses.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of less video transmission method of transmitted data amount and system.
In order to solve above-mentioned technical problem, the invention provides a kind of video transmission method, including：Transmitter sets up transmission channel with receiver；Transmitter sends frame of video to receiver with initial frame per second；Receiver plays frame of video, and feeds back the speed of frame of video to transmitter；Transmitter is adjusted to transmitting frame per second according to feedback information, and continues to send frame of video to receiver with the frame per second after adjustment.
Further, the initial frame per second is 2 seconds/frame.
Further, the transmitter is video camera, and the receiver is PC or mobile phone.
In order to solve above-mentioned technical problem, present invention also offers a kind of Video transmission system, transmitter；Receiver；Connection unit, to set up transmission channel in the transmitter and receiver；The transmitter sends frame of video to receiver with initial frame per second, the receiver plays frame of video, and the speed of frame of video is fed back to transmitter, the transmitter is adjusted to transmitting frame per second according to feedback information, and continues to send frame of video to receiver with the frame per second after adjustment.
Further, the transmitter includes frame of video transmitting element and frame of video adjustment unit；The receiver includes frame of video display unit and video frame rate feedback unit；The frame of video transmitting element sends frame of video to receiver with initial frame per second, the frame of video display unit plays frame of video, the speed of the video frame rate feedback unit feedback frame of video is to transmitter, the frame of video adjustment unit is adjusted to transmitting frame per second according to feedback information, and frame of video transmitting element continues to send frame of video to receiver with the frame per second after adjusting.
Further, the initial frame per second is 2 seconds/frame.
Further, the transmitter is video camera, and the receiver is PC or mobile phone.
The present invention to sending frame per second real-time judge and adjustment, is greatly reduced the packet de-referencing problem in transmission of video, realizes the transmission that less data amount can guarantee that video by the Real-time Feedback to video frame rate in transmitting procedure.
Description of the drawings
Fig. 1 is the video transmission method schematic flow sheet of the present invention；
Fig. 2 is a kind of embodiment module diagram of Video transmission system of the present invention.
Fig. 3 is another embodiment module diagram of Video transmission system of the present invention.
In figure：1, transmitter；2, receiver；3, connection unit.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art may be better understood the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 1, the video transmission method of the present invention, including：
S1, transmitter set up transmission channel with receiver；
S2, transmitter send frame of video to receiver with initial frame per second；
S3, receiver play frame of video, and feed back the speed of frame of video to transmitter；
S4, transmitter are adjusted to transmitting frame per second according to feedback information, and continue to send frame of video to receiver with the frame per second after adjustment.
Continue in transmitting procedure, repeat above step, transmitter video frame rate immediately according to receiver feedback is adjusted to sending frame per second, improves transmission quality.
Fig. 2 show the Video transmission system module diagram of the present invention, and the system includes：Transmitter 1；Receiver 2；Connection unit 3, to set up transmission channel in transmitter and receiver；Transmitter sends frame of video to receiver with initial frame per second, and receiver plays frame of video, and feeds back the speed of frame of video to transmitter, and transmitter is adjusted to transmitting frame per second according to feedback information, and continues to send frame of video to receiver with the frame per second after adjustment.Further embodiment such as Fig. 3, transmitter 1 include frame of video transmitting element and frame of video adjustment unit；Receiver 2 includes frame of video display unit and video frame rate feedback unit；Frame of video transmitting element sends frame of video to receiver with initial frame per second, frame of video display unit plays frame of video, the speed of video frame rate feedback unit feedback frame of video is to transmitter, frame of video adjustment unit is adjusted to transmitting frame per second according to feedback information, and frame of video transmitting element continues to send frame of video to receiver with the frame per second after adjusting.The present invention carries out transmission of video using the transmitting mode that the band based on udp protocol feeds back, and shortens average frame transmission time, is conducive to video connection speed, the raising of real-time broadcasting speed and saves flow, bandwidth.
The present invention can change frame per second according to network environment dynamic, initial transmission frame per second is 2 seconds/frame, then, the video frame rate according to receiver feedback, transmitter are adjusted to the transmission frame per second for sending, reduce discarded frame, the low data bulk that low frame per second is brought, greatly ensure that video can constitute each frame in real time, while low frame per second transmission means by default, the transmission of the low data bulk with feedback, is rapidly completed transmission in being more beneficial for network.The method can be widely used in the transmission of video under various network states, the hardware of transmitter and receiver is constituted and is not especially limited, in a kind of preferred embodiment, the present invention is used for remote security system, now,, using the video camera with video transmitting element and adjustment unit, receiver is using PC or mobile phone with display and video frame rate feedback unit for transmitter.
Mode is preferably carried out as one kind, the Video transmission system of the present invention may also include manual regulating device, to be adjusted to transmission of video pattern according to network state.Specifically, there is provided two kinds of fluency transmit frame per second and select for user, and user changes the transmission means of frame of video according to network environment dynamic.First kind of way, stably preferential to transmit, for network environments such as 3G, minimum video frame rate is 2 seconds per frame.The low data bulk that low frame per second is brought, greatly ensure that video can constitute each frame in real time.Simultaneously low frame per second transmission means by default, is rapidly completed transmission in being more beneficial for network, and which goes out figure speed than under identical network and hardware condition fast 20%～40% the first frame.The second way is smooth preferential with video.In the case where the networks such as wifi are allowed, transmission of video frame per second is improved to greatest extent, the coefficient ratio of feedback frame rate and frame per second under the pattern, is improved, increases video frame rate.It should be pointed out that prior art also has a transmission regulation technology, but all it is changing play mode by switching resolution ratio.A kind of mode of changeable frame per second is provided in the present invention.When in low frame per second, under conditions of video definition is ensured, improve video connection speed and reduce flow, save bandwidth.When in high frame per second, bandwidth is made full use of, there is provided the optimal video tastes under network environment enabled condition of user.
Embodiment described above is only the preferred embodiment lifted for absolutely proving the present invention, protection scope of the present invention not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, within protection scope of the present invention.Protection scope of the present invention is defined by claims.
Claims (7)
1. a kind of video transmission method, it is characterised in that include：
Transmitter sets up transmission channel with receiver；
Transmitter sends frame of video to receiver with initial frame per second；
Receiver plays frame of video, and feeds back the speed of frame of video to transmitter；
Transmitter is adjusted to transmitting frame per second according to feedback information, and is regarded with the frame per second continuation transmission after adjustment
Frequency frame is to receiver.
2. video transmission method according to claim 1, it is characterised in that the initial frame per second is 2
Second/frame.
3. video transmission method according to claim 2, it is characterised in that the transmitter is shooting
Machine, the receiver are PC or mobile phone.
4. a kind of Video transmission system, it is characterised in that include：
Transmitter；
Receiver；
Connection unit, to set up transmission channel in the transmitter and receiver；
The transmitter sends frame of video to receiver with initial frame per second, and the receiver plays frame of video, and
To transmitter, the transmitter is adjusted to transmitting frame per second the speed of feedback frame of video according to feedback information,
And continue to send frame of video to receiver with the frame per second after adjustment.
5. Video transmission system according to claim 4, it is characterised in that the transmitter includes regarding
Frequency frame transmitting element and frame of video adjustment unit；The receiver includes frame of video display unit and frame of video speed
Rate feedback unit；The frame of video transmitting element sends frame of video to receiver with initial frame per second, the video
Frame display unit plays frame of video, and the video frame rate feedback unit feeds back the speed of frame of video to transmitter,
The frame of video adjustment unit is adjusted to transmitting frame per second according to feedback information, and frame of video transmitting element is adjusting
Frame per second after whole continues to send frame of video to receiver.
6. Video transmission system according to claim 5, it is characterised in that the initial frame per second is 2
Second/frame.
7. Video transmission system according to claim 6, it is characterised in that the transmitter is shooting
Machine, the receiver are PC or mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606567.8A CN106534055A (en) | 2015-09-15 | 2015-09-15 | Video transmission method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606567.8A CN106534055A (en) | 2015-09-15 | 2015-09-15 | Video transmission method and system |
Publications (1)
| Publication Number | Publication Date |
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| CN106534055A true CN106534055A (en) | 2017-03-22 |
Family
ID=58348229
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510606567.8A Pending CN106534055A (en) | 2015-09-15 | 2015-09-15 | Video transmission method and system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106534055A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111432169A (en) * | 2019-12-25 | 2020-07-17 | 杭州海康威视数字技术股份有限公司 | Video transmission method, device, equipment and system |
| CN111541919A (en) * | 2020-05-13 | 2020-08-14 | 北京百度网讯科技有限公司 | Video frame transmission method and device, electronic equipment and readable storage medium |
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| WO2013087793A1 (en) * | 2011-12-14 | 2013-06-20 | Tp Vision Holding B.V. | Streaming video data having adaptable bit rate |
| CN104639978A (en) * | 2015-02-13 | 2015-05-20 | 上海小蚁科技有限公司 | Multimedia processing method and device |
| CN104702922A (en) * | 2013-12-10 | 2015-06-10 | 中国电信股份有限公司 | Method and system for transmitting video |
| CN104735410A (en) * | 2015-02-11 | 2015-06-24 | 东电创新(北京)科技发展股份有限公司 | Narrow bandwidth lower than 4 K/S video transmission method and system |
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2015
- 2015-09-15 CN CN201510606567.8A patent/CN106534055A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013087793A1 (en) * | 2011-12-14 | 2013-06-20 | Tp Vision Holding B.V. | Streaming video data having adaptable bit rate |
| CN104702922A (en) * | 2013-12-10 | 2015-06-10 | 中国电信股份有限公司 | Method and system for transmitting video |
| CN104735410A (en) * | 2015-02-11 | 2015-06-24 | 东电创新(北京)科技发展股份有限公司 | Narrow bandwidth lower than 4 K/S video transmission method and system |
| CN104639978A (en) * | 2015-02-13 | 2015-05-20 | 上海小蚁科技有限公司 | Multimedia processing method and device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111432169A (en) * | 2019-12-25 | 2020-07-17 | 杭州海康威视数字技术股份有限公司 | Video transmission method, device, equipment and system |
| WO2021129830A1 (en) * | 2019-12-25 | 2021-07-01 | 杭州海康威视数字技术股份有限公司 | Video transmission method, apparatus, device and system |
| CN111541919A (en) * | 2020-05-13 | 2020-08-14 | 北京百度网讯科技有限公司 | Video frame transmission method and device, electronic equipment and readable storage medium |
| US11438547B2 (en) | 2020-05-13 | 2022-09-06 | Apollo Intelligent Connectivity (Beijing) Technology Co., Ltd. | Video frame transmission method, apparatus, electronic device and readable storage medium |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 510000 Guangzhou Economic and Technological Development Zone, Guangdong Province, No. 232, Kezhu Road, Science City, Building 1, Room 101 Applicant after: Seyoung Electronics Inc. Address before: 510000 Guangdong city of Guangzhou Province Economic and Technological Development Zone Ke Xue Cheng Ke Zhu 2 layer Road No. 232 Applicant before: GUANGZHOU SHIRONG ELECTRONICS CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |