CN111757143B - Video playing method based on cloud streaming media picture cutting - Google Patents
Video playing method based on cloud streaming media picture cutting Download PDFInfo
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- CN111757143B CN111757143B CN202010713436.0A CN202010713436A CN111757143B CN 111757143 B CN111757143 B CN 111757143B CN 202010713436 A CN202010713436 A CN 202010713436A CN 111757143 B CN111757143 B CN 111757143B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000013507 mapping Methods 0.000 claims abstract description 34
- 239000011159 matrix material Substances 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000015654 memory Effects 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims 3
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 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]
- H04N21/20—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 or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream 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 or manipulating encoded video stream 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to a video playing method based on cloud streaming media picture cutting, which comprises the steps of directly storing a video original picture shot by a camera set into a storage server as a first video original picture; cutting the video original picture shot by the camera set through the director and outputting the cut video original picture as a second video original picture; outputting the video original picture shot by the camera set to a media cloud server as a third video original picture after passing through a picture cutting matrix and a decoding matrix; establishing a mapping link between each video original picture and a video playing client; in the playing state, the corresponding first video original picture, the second video original picture and the third video original picture are selected to be played according to the operation of the video playing client side.
Description
Technical Field
The invention relates to the field of streaming media playing, in particular to a video playing method based on cloud streaming media picture 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 by using a video transmission server and transmits the data packets to a network. After the user decompresses the data through the decompression device, the program is displayed as before transmission. In the transmission process of 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 side), a coded file is sent to the video playing client side and then decompressed and played by the video playing client side, namely the definition switching step in video playing, and due to the fact that a data packet needs to be transmitted again, the definition switching process generally needs several seconds to tens of seconds to complete, and therefore the watching effect is affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a video playing method based on cloud streaming media picture cutting, which is mainly used for live streaming media, and through extracting different operations of a plurality of paths of video original pictures corresponding to a playing terminal, the playing operation of the video does not need to be processed on one original picture, the intermediate processing flow of the video original pictures is saved, zero waiting is almost realized in the resolution switching process, and the watching experience is improved.
The purpose of the invention is realized by the following technical scheme:
a video playing method based on cloud streaming media picture cutting comprises the following steps:
s1: acquiring a video original picture, comprising:
directly storing the video original picture shot by the camera set into a storage server as a first video original picture;
cutting the video original picture shot by the camera set through the director and outputting the cut video original picture as a second video original picture;
outputting the video original picture shot by the camera set to a media cloud server as a third video original picture after passing through a picture cutting array and a coding array;
s2: establishing mapping links between the first video original picture, the second video original picture and the third video original picture and a video playing client;
s3: in a playing state, the video playing client selects a mapping link of a second video original picture as a default playing link;
when a user needs to adjust the video resolution, selecting a video file with corresponding resolution for playing through a mapping link of a first video original picture, wherein the video file is obtained by directly coding the video original picture;
when a user locally amplifies the video picture, the video original picture after picture cutting of the picture cutting array corresponding to the amplification area is selected through the mapping link of the third video original picture to be coded, and therefore the video file corresponding to the amplification area is obtained and played.
In the invention, the first video original picture, the second video original picture and the third video original picture are set according to the requirements of the playing terminal, namely, three original picture videos with different specifications are provided, so that the playing terminal does not need to process the basic original pictures when performing corresponding playing operation, and the processed first video original picture, the second video original picture and the third video original picture are correspondingly selected, namely, the processing time of the basic original picture is saved, and the fluency of video watching is improved.
Further, a system for implementing the method is also included, comprising:
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 the video signals processed by the cloud processing module are uploaded to a network platform to serve as a first video original image mapping 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 video original picture mapping link;
the output end of the video conversion matrix is connected to the cut picture array, the output end of the cut picture 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 original picture mapping link;
and the video playing client of the network platform selects the corresponding video mapping link according to the user operation.
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.
Further, the first video original image mapping link is used for outputting video files with various specifications and resolutions encoded by the video original image signals;
the second video original image mapping link is used for outputting video files with various specifications and resolutions which are coded according to the video original image signals cut by the broadcasting station;
and the third video original image mapping link is used for selecting a video original image corresponding to the corresponding video cutting array according to the playing area selected by the video playing client to encode and output.
Further, the local enlarged video frame selected by the video playing client is based on the display frame boundary of the client playing terminal as a frame cutting frame.
The beneficial effects of the invention are: compared with the traditional method that all video playing operations in a single mode are processed from the basic original picture, the method has the advantages that the basic original picture is correspondingly operated to obtain the first video original picture, the second video original picture and the third video original picture respectively, then the first video original picture, the second video original picture and the third video original picture are stored in the cloud server respectively, and when a playing terminal carries out corresponding operations, the system selects the corresponding video original picture to play, so that the time in the video processing process is greatly saved, and the video is hardly blocked in the operation modes of resolution adjustment and local amplification.
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.
A video playing method based on cloud streaming media picture cutting comprises the following steps:
s1: acquiring a video original picture, comprising:
directly storing a video original picture shot by a camera set into a storage server as a first video original picture;
cutting the video original picture shot by the camera set through the director and outputting the cut video original picture as a second video original picture;
outputting the video original picture shot by the camera set to a media cloud server as a third video original picture after passing through a picture cutting array and a coding array;
s2: establishing mapping links between the first video original picture, the second video original picture and the third video original picture and a video playing client;
s3: in a playing state, the video playing client selects a mapping link of a second video original picture as a default playing link;
when a user needs to adjust the video resolution, selecting a video file with a corresponding resolution for playing through a mapping link of a first video original picture, wherein the video file is obtained by directly coding the video original picture;
when a user locally amplifies the video picture, the video original picture after picture cutting of the picture cutting array corresponding to the amplification area is selected through the mapping link of the third video original picture to be coded, and therefore the video file corresponding to the amplification area is obtained and played.
Referring to fig. 1, the present embodiment further provides a system for implementing the method, including:
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 original image mapping 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 video original picture mapping link;
the output end of the video conversion matrix is connected to the cut picture array, the output end of the cut picture 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 original picture mapping link;
and the video playing client of the network platform selects the corresponding video mapping link according to the user operation.
Further, 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 a memory for temporarily storing the processed video file.
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 original image mapping link is used for outputting video files with various specifications and resolutions encoded by the video original image signals;
the second video original image mapping link is used for outputting video files with various specifications and resolutions which are coded according to the video original image signals cut by the broadcasting station;
and the third video original image mapping link is used for selecting a video original image corresponding to the corresponding video switching matrix according to the playing area selected by the video playing client to encode and output.
Further, the local enlarged video frame selected by the video playing client is based on the display frame boundary of the client playing terminal as a frame cutting frame.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and is not to be construed as limited to the exclusion of other embodiments, and that various other combinations, modifications, and environments may be used and modifications may be made within the scope of the concepts described herein, either by the above teachings or the skill or knowledge of 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 (7)
1. A video playing method based on cloud streaming media picture cutting is characterized by comprising the following steps:
s1: acquiring a video original picture, comprising:
directly storing the video original picture shot by the camera set into a storage server as a first video original picture;
slicing the video original picture shot by the camera set through a director and outputting the sliced video original picture as a second video original picture;
outputting the video original picture shot by the camera set to a media cloud server as a third video original picture after passing through a picture cutting array and a coding array;
s2: establishing mapping links between the first video original painting, the second video original painting and the third video original painting and a video playing client;
s3: in a playing state, the video playing client selects a mapping link of the second video original picture as a default playing link;
when a user needs to adjust the video resolution, selecting a video file with corresponding resolution for playing through a mapping link of a first video original picture, wherein the video file is obtained by directly coding the video original picture;
when a user locally magnifies a video picture, the video original picture cut by the cut picture array corresponding to the magnified region is selected through the mapping link of the third video original picture to be encoded, and therefore a video file corresponding to the magnified region is obtained and played.
2. The method of claim 1, further comprising a system for implementing the method, comprising:
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 the video signals processed by the cloud processing module are uploaded to a network platform to serve as a first video original image mapping link;
the output end of the video switching matrix is divided into two paths of output, one path of output is connected to a slice encoder, the other path of output is connected to a video conversion matrix, and a video signal processed by the slice encoder is directly uploaded to a network platform to serve as a second video original image mapping link;
the output end of the video conversion matrix is connected to the cut picture array, the output end of the cut picture 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 original picture mapping link;
and the video playing client of the network platform selects the corresponding video mapping link according to the user operation.
3. The video playing method based on the cloud streaming media cutting as recited in claim 2, 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.
4. The video playing method based on the cloud streaming media cut picture according to claim 3, wherein the cut picture array and the coding array are both configured with a memory for temporarily storing the processed video file.
5. The video playing method based on cloud streaming media cutting according to claim 4, wherein the video conversion matrix is 4 × 12G or 16 × 3G, and the cutting array corresponds to a 4-channel cutting array and a 16-channel cutting array.
6. The video playing method based on the cloud streaming media cut according to claim 5, wherein the first video original mapping link is configured to output video files with multiple specifications and resolutions encoded by video original signals;
the second video original image mapping link is used for outputting video files with various specifications and resolutions which are coded according to the video original image signals cut by the director;
and the third video original image mapping link selects a video original image corresponding to the corresponding video switching matrix according to the playing area selected by the video playing client to encode and output.
7. The video playing method based on the cloud streaming media cut picture according to claim 6, wherein the local enlarged video picture 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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Address after: No. 401, 4th Floor, Building 2, No. 88 Shengtong Street, Chengdu High tech Zone, China (Sichuan) Pilot Free Trade Zone, Chengdu City, Sichuan Province 610095 Patentee after: Sichuan Guochuang Innovation Vision Ultra HD Video Technology Co.,Ltd. Country or region after: China Address before: No.2, south 2nd Road, Xinyuan, high tech Zone, Chengdu, Sichuan 610000 Patentee before: Sichuan Xinshi Chuangwei ultra high definition Technology Co.,Ltd. Country or region before: China |