CN111757142B - Video playing system based on picture cutting of cloud streaming media - Google Patents
Video playing system based on picture cutting of cloud streaming media Download PDFInfo
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- CN111757142B CN111757142B CN202010711585.3A CN202010711585A CN111757142B CN 111757142 B CN111757142 B CN 111757142B CN 202010711585 A CN202010711585 A CN 202010711585A CN 111757142 B CN111757142 B CN 111757142B
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/21805—Source of audio or video content, e.g. local disk arrays enabling multiple viewpoints, e.g. using a plurality of cameras
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Abstract
The invention relates to a video playing system based on cloud streaming media cutting, which comprises a camera set, wherein one path of output of the camera set is connected to a nonlinear editing module, and the other path of output of the camera set is connected to a video switching matrix; the nonlinear editing module is sequentially connected to the storage server and connected with the cloud processing module to serve as a first video output link; the output end of the video switching matrix is divided into two paths of output, one path of output is connected to the slice encoder to serve as a second path of video output link, and the other path of output is connected to the video switching matrix and the picture cutting array to serve as a third path of video output link; according to the invention, the multi-channel conversion module is adopted to synchronously encode the original picture into images with different resolutions, and then the picture cutting operation is completed at the cloud end, so that zero waiting is almost realized in the resolution switching process, and the browsing experience is improved.
Description
Technical Field
The invention relates to the field of streaming media playing, in particular to a video playing system based on cloud streaming media cutting.
Background
Streaming media refers to a media format played on the Internet in a streaming mode. Streaming media is also called streaming media, which means that a merchant sends programs as data packets to a network by using a video transmission server. After the user decompresses the data through the decompression device, the program is displayed as before transmission. In the process of transmitting a video, a shot original picture is generally sent to a background server, the server encodes the original picture according to definition selected by a user side (namely a playing software video playing client), and sends an encoded file to the video playing client and then the video playing client decompresses and plays the encoded file, namely, the step of switching definition in video playing is carried out.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a video playing system based on cloud streaming media picture cutting, which is mainly used for streaming media live broadcast, adopts a multi-channel conversion module to synchronously encode an original picture into images with different resolutions, and then finishes picture cutting operation at a cloud end, so that zero waiting is almost realized in the resolution switching process, and browsing experience is improved.
The purpose of the invention is realized by the following technical scheme:
a video playing system based on cloud streaming media picture cutting comprises:
the camera set is used for acquiring a video original picture, a video picture shot by the camera set is divided into two paths of outputs, one path of output is connected to the nonlinear editing module, and the other path of output is connected to the video switching matrix;
the nonlinear editing module is connected to a storage server, the storage server is connected with the cloud processing module, and video signals processed by the cloud processing module are uploaded to a network platform to serve as a first video output link;
the output end of the video switching matrix is divided into two paths of output, one path of output is connected to the slice encoder, the other path of output is connected to the video switching matrix, and the video signals processed by the slice encoder are directly uploaded to a network platform to serve as a second path of video output link;
the output end of the video conversion matrix is connected to the picture cutting array, the output end of the picture cutting array is connected to the coding array, the coding array is connected to the media cloud server, and a video signal of the media cloud server is directly uploaded to the network platform to serve as a third video output link;
and the video playing client of the network platform selects the corresponding video output link according to the user operation.
Compared with the traditional streaming media playing platform, the scheme provides three different output links for providing original pictures with different requirements, so that the video image quality is improved, and then when the resolution ratio is adjusted, because the original pictures are coded and stored in the server in the output links in advance on the basis of the original pictures, the original pictures can be directly sent to the playing platform to be played without being clamped, and then corresponding video matrix cutting pictures are designed aiming at local amplification of the video, so that the video original pictures in different areas with different angles are obtained.
Furthermore, the video switching matrix is also connected with a station mark machine for adding the station mark into the video image.
Furthermore, the cutting array and the coding array are both provided with memories for temporarily storing the processed video files.
Further, the video conversion matrix is 4 × 12G or 16 × 3G, and the cropping array corresponds to a 4-channel cropping array and a 16-channel cropping array.
Furthermore, the first video output link is used for outputting video files with various specifications and resolutions encoded by the video original picture signals;
the second path of video output link is used for outputting video files with various specifications and resolutions which are coded according to the original video picture signals cut by the director;
and the third video output link is used for selecting a video original picture corresponding to the corresponding video switching matrix according to the playing area selected by the video playing client to encode and output.
Further, the playing area selected by the video playing client is based on the display picture boundary of the client playing terminal as a cut picture frame.
The invention has the beneficial effects that: compared with the traditional streaming media video playing system, the scheme provides the operation of three different forms of original pictures for the playing platform, and the original pictures are respectively used as the default playing mode, the resolution ratio adjusting mode and the video playing under the local amplification mode.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the following specific examples, but the scope of the present invention is not limited to the following.
Referring to fig. 1, a video playing system based on cloud streaming media cutting includes:
the camera set is used for acquiring a video original picture, a video picture shot by the camera set is divided into two paths of outputs, one path of output is connected to the nonlinear editing module, and the other path of output is connected to the video switching matrix;
the nonlinear editing module is connected to the storage server, the storage server is connected with the cloud processing module, and the video signals processed by the cloud processing module are uploaded to the network platform to serve as a first video output link;
the output end of the video switching matrix is divided into two paths of output, one path of output is connected to the slice encoder, the other path of output is connected to the video switching matrix, and the video signals processed by the slice encoder are directly uploaded to a network platform to serve as a second path of video output link;
the output end of the video conversion matrix is connected to the picture cutting array, the output end of the picture cutting array is connected to the coding array, the coding array is connected to the media cloud server, and a video signal of the media cloud server is directly uploaded to the network platform to serve as a third video output link;
and the video playing client of the network platform selects the corresponding video output link according to the user operation.
The first video output link, the second video output link and the third video output link respectively output processed video original pictures.
The first video output link is used for outputting video files with various specifications and resolutions coded by the video original picture signals, when the user of the video playing client adjusts the video resolution, the video files with the resolution corresponding to the first video output link are selected through the first video output link, and because the video files are coded in advance, the video playing fluency can not be generated when the video resolution is adjusted, and second-level response is realized.
The second path of video output link is used for outputting video files with various specifications and resolutions which are coded according to the original video picture signals cut by the director, and because the scheme mainly solves the problem of playing of live broadcast video, the director needs to perform corresponding picture cutting operation on the video pictures, including the switching of some lenses and the like, the original video pictures cut by the director are coded and then played as the default video files of the playing platform.
The third video output link selects the video original image corresponding to the corresponding video switching matrix to be coded and output according to the playing area selected by the video playing client, a user is likely to be interested in a certain detail in the video watching process, the current video playing does not support local amplification operation, the invention provides a local amplification function, the user stretches the video image through a mouse or a touch screen to realize local amplification, the background identifies the image displayed by the player and cuts the image according to the image, and then the video original image corresponding to the corresponding switching matrix is selected to be coded and played.
In an embodiment, in the video playing system based on cloud streaming media cutting, the video switching matrix is further connected with a station logo machine, and the station logo machine is used for adding the station logo into the video image. The cutting array and the coding array are both provided with memories for temporarily storing the processed video files. The video conversion matrix is 4 × 12G or 16 × 3G, and the cut-picture array corresponds to a 4-channel cut-picture array and a 16-channel cut-picture array. The playing area selected by the video playing client is based on the display picture boundary of the client playing terminal as a cut picture frame.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a video playback system based on high in clouds streaming media surely draws which characterized in that, this system includes:
the camera set is used for acquiring a video original picture, a video picture shot by the camera set is divided into two paths of outputs, one path of output is connected to the nonlinear editing module, and the other path of output is connected to the video switching matrix;
the nonlinear editing module is connected to a storage server, the storage server is connected with the cloud processing module, and video signals processed by the cloud processing module are uploaded to a network platform to serve as a first video output link;
the output end of the video switching matrix is divided into two paths of output, one path of output is connected to the slice encoder, the other path of output is connected to the video switching matrix, and the video signals processed by the slice encoder are directly uploaded to a network platform to serve as a second path of video output link;
the output end of the video conversion matrix is connected to the picture cutting array, the output end of the picture cutting array is connected to the coding array, the coding array is connected to the media cloud server, and a video signal of the media cloud server is directly uploaded to the network platform to serve as a third video output link;
and the video playing client of the network platform selects the corresponding video output link according to the user operation.
2. The video playing system based on the cloud streaming media cutting of claim 1, wherein the video switching matrix is further connected with a logo machine, and the logo machine is used for adding a logo to a video image.
3. The video playing system based on the cloud streaming media cut picture according to claim 2, wherein the cut picture array and the coding array are both configured with a memory for temporarily storing the processed video file.
4. The video playing system based on the cloud streaming media cut according to claim 3, wherein the video conversion matrix is 4 × 12G or 16 × 3G, and the cut arrays correspond to a 4-channel cut array and a 16-channel cut array.
5. The video playing system based on the cloud streaming media cut according to claim 4, wherein the first video output link is configured to output video files with multiple specifications and resolutions encoded by video original picture signals;
the second path of video output link is used for outputting video files with various specifications and resolutions which are coded according to the original video picture signals cut by the director;
and the third video output link is used for selecting a video original picture corresponding to the corresponding video switching matrix according to the playing area selected by the video playing client to encode and output.
6. The video playing system based on the cloud streaming media cut picture according to claim 5, wherein the playing area selected by the video playing client is based on a display picture boundary of the client playing terminal as a cut picture frame.
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| CN111757142A CN111757142A (en) | 2020-10-09 |
| CN111757142B true CN111757142B (en) | 2022-03-11 |
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| CN113438512A (en) * | 2021-05-28 | 2021-09-24 | 福州市拾联信息科技有限公司 | Control system and control method for fast switching image quality and low code stream of video data |
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