CN115209001A - Video playing method, device and system - Google Patents

Video playing method, device and system Download PDF

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Publication number
CN115209001A
CN115209001A CN202210790292.8A CN202210790292A CN115209001A CN 115209001 A CN115209001 A CN 115209001A CN 202210790292 A CN202210790292 A CN 202210790292A CN 115209001 A CN115209001 A CN 115209001A
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CN
China
Prior art keywords
display data
upper computer
video
pmoled
display
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN202210790292.8A
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Chinese (zh)
Inventor
程星
杨志豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Qingyue Optoelectronics Technology Co Ltd
Yiwu Qingyue Optoelectronic Technology Research Institute Co Ltd
Original Assignee
Suzhou Qingyue Optoelectronics Technology Co Ltd
Yiwu Qingyue Optoelectronic Technology Research Institute Co Ltd
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Application filed by Suzhou Qingyue Optoelectronics Technology Co Ltd, Yiwu Qingyue Optoelectronic Technology Research Institute Co Ltd filed Critical Suzhou Qingyue Optoelectronics Technology Co Ltd
Priority to CN202210790292.8A priority Critical patent/CN115209001A/en
Publication of CN115209001A publication Critical patent/CN115209001A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

The invention discloses a video playing method, a device and a system, wherein the video playing method comprises the following steps: receiving display data sent by an upper computer; the display data is formed by decoding the video file by the upper computer; and sending the display data to the PMOLED display screen to control the PMOLED display screen to play the video according to the display data. According to the technical scheme provided by the embodiment of the invention, the upper computer decodes the display video to form the display data, the singlechip in the PMOLED display equipment can directly acquire the decoded display data, and for the PMOLED display equipment with the small-memory singlechip, software decoding is not required to be performed on a video file in the singlechip, so that the load of the singlechip is reduced, and the stability of a system and the smoothness of display are improved; in addition, the upper computer can decode the video file by adopting hardware, and the image quality of a display screen image can be improved.

Description

Video playing method, device and system
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a video playing method, device and system.
Background
The PMOLED (Passive matrix Organic Light-Emitting Diode) device has the characteristics of simple structure and low manufacturing cost, and can be used in the fields of medical treatment, industry, automobiles, wearable application and the like.
At present, the PMOLED display device is mainly driven by a common single chip microcomputer, and as such a single chip microcomputer has a small RAM (Random Access Memory) and ROM (Read Only Memory) space and does not have a hardware video decoding unit. Therefore, in some applications that need to play videos, the single chip microcomputer mainly adopts software decoding, but the utilization rate of the single chip microcomputer is increased through the software decoding, and the problem that the video playing is not smooth is caused.
Disclosure of Invention
The embodiment of the invention provides a video playing method, a video playing device and a video playing system, which are used for reducing the load of a single chip microcomputer and improving the system stability and the display fluency of display equipment.
According to an aspect of the present invention, there is provided a video playing method, including:
receiving display data sent by an upper computer; the display data is formed by decoding the video file by the upper computer;
and sending the display data to the PMOLED display screen to control the PMOLED display screen to play videos according to the display data.
Optionally, after receiving the display data that host computer sent, still include:
and judging whether the upper computer sends synchronous storage information or not, and after confirming that the upper computer sends the synchronous storage information, synchronously sending the display data to a storage card so as to store the display data through the storage card.
Optionally, after receiving the display data that host computer sent, still include:
and judging whether the upper computer sends priority storage information or not, and sending the display data to a storage card after confirming that the upper computer sends the priority storage information so as to store the display data through the storage card.
Optionally, before sending the display data to the PMOLED display screen to control the PMOLED display screen to play the video according to the display data, the method further includes:
and acquiring the display data stored in the memory card.
Optionally, the forming, by the upper computer, the display data includes:
acquiring a video file;
decoding the video file into a single frame picture in a BMP format according to a preset decoding frequency;
and analyzing the single-frame picture in the BMP format into the display data.
According to another aspect of the present invention, there is provided a video playing apparatus for executing the video playing method according to any embodiment of the present invention, including:
the display data receiving unit is used for receiving display data sent by the upper computer; the display data is formed by decoding the video file by the upper computer;
and the display data sending unit is used for sending the display data to the PMOLED display screen so as to control the PMOLED display screen to play videos according to the display data.
Optionally, the video playing apparatus further includes:
the judging unit is used for judging whether the upper computer sends synchronous storage information or not; the display data sending unit is also used for synchronously sending the display data to a storage card after confirming that the upper computer sends synchronous storage information so as to store the display data through the storage card;
the judgment unit is also used for judging whether the upper computer sends the priority storage information or not; the display data sending unit is further used for preferentially sending the display data to a storage card after the upper computer is confirmed to send the preferential storage information, so that the display data can be stored through the storage card.
According to another aspect of the present invention, a video playing system is provided, which includes an upper computer and a PMOLED display device, wherein the PMOLED display device includes a PMOLED display screen and a single chip microcomputer, and the single chip microcomputer includes a video playing apparatus according to any embodiment of the present invention; the upper computer is used for decoding the video file to be played into display data and sending the display data to the single chip microcomputer.
Optionally, the PMOLED display device further includes a memory card, and the memory card is used for storing the display data.
Optionally, the upper computer includes:
the synchronous storage key is used for triggering an upper computer to form and send the synchronous storage information;
and the priority storage key is used for triggering an upper computer to form and send the priority storage information.
The embodiment of the invention provides a video playing method, a device and a system, wherein the video playing method comprises the following steps: receiving display data sent by an upper computer; the display data is formed by decoding the video file by the upper computer; and sending the display data to the PMOLED display screen to control the PMOLED display screen to play the video according to the display data. According to the technical scheme provided by the embodiment of the invention, the upper computer decodes the display video to form the display data, the singlechip in the PMOLED display equipment can directly acquire the decoded display data, and for the PMOLED display equipment with the small-memory singlechip, software decoding is not required to be performed on a video file in the singlechip, so that the load of the singlechip is reduced, and the stability of a system and the smoothness of display are improved; in addition, the upper computer can decode the video file by adopting hardware, and the image quality of a display screen image can be improved.
Drawings
Fig. 1 is a flowchart of a video playing method according to an embodiment of the present invention;
fig. 2 is a flowchart of another video playing method according to an embodiment of the present invention;
fig. 3 is a flowchart of another video playing method according to an embodiment of the present invention;
fig. 4 is a block diagram of a video playing apparatus according to an embodiment of the present invention;
fig. 5 is a block diagram of another video playing apparatus according to an embodiment of the present invention;
fig. 6 is a block diagram of a video playing system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The embodiment of the invention provides a video playing method, which can be applied to a PMOLED display device with a small-memory single-chip microcomputer, fig. 1 is a flow chart of the video playing method provided by the embodiment of the invention, and referring to fig. 1, the video playing method comprises the following steps:
s110, receiving display data sent by an upper computer; the display data is formed by decoding the video file by the upper computer.
Specifically, the PMOLED display device comprises a PMOLED display screen and a single chip microcomputer, and the single chip microcomputer can receive display data sent by an upper computer. The display data is formed by decoding the video file by the upper computer. The upper computer decodes the video file into display data, transmits the display data from the serial port through a specific protocol, and sends the display data to the single chip microcomputer.
And S120, sending the display data to the PMOLED display screen to control the PMOLED display screen to play the video according to the display data.
Specifically, the single chip microcomputer sends the acquired display data to the PMOLED display screen, and the PMOLED display screen is controlled to play the video according to the display data. The upper computer decodes the display video to form display data, the single chip microcomputer in the PMOLED display device can directly acquire the decoded display data, and for the PMOLED display device with the small-memory single chip microcomputer, software decoding of video files in the single chip microcomputer is not needed.
In the prior art, the PMOLED display device is mainly driven by a common single chip microcomputer, and the single chip microcomputer has smaller RAM and ROM space and does not have a hardware video decoding unit. Therefore, the singlechip is mainly used for decoding the video and outputting the video through software. However, the utilization rate of the single chip microcomputer is improved through software decoding, and the problem that video playing is not smooth is caused. According to the embodiment of the invention, the upper computer is used for decoding the video file, the singlechip can directly acquire the decoded display data so as to output the video image corresponding to the hardware decoding data of the video to the display screen for displaying, the utilization rate of the singlechip is reduced, and the smoothness of video playing is improved, so that the problems of high occupancy rate of the singlechip and video playing blockage caused by software decoding and outputting are solved. In addition, the PMOLED display device mainly has a monochrome or 16-gray scale display effect, and the picture distortion is severe due to software decoding. The hardware is adopted to decode the video, so that the image quality of the picture of the PMOLED display screen can be improved.
Fig. 2 is a flowchart of another video playing method according to an embodiment of the present invention, and referring to fig. 2, the video playing method includes:
s210, receiving display data sent by an upper computer; the display data is formed by decoding the video file by the upper computer.
Optionally, the forming, by the upper computer, the display data includes: acquiring a video file; decoding the video file into a single frame picture in a BMP format according to a preset decoding frequency; and analyzing the single frame picture in the BMP format into display data.
Specifically, the upper computer decodes the video file into a single-frame picture in a BMP format, and the fluency of a later-period display picture can be controlled by controlling the decoding frame rate; the upper computer analyzes the single frame picture in the BMP format into PMOLED display data and transmits the PMOLED display data from the serial port through a specific protocol.
S220, judging whether the upper computer sends synchronous storage information or not, and after confirming that the upper computer sends the synchronous storage information, sending the display data to the PMOLED display screen to control the PMOLED display screen to play videos according to the display data, and simultaneously sending the display data to the memory card to store the display data through the memory card.
Specifically, after receiving the display data sent by the upper computer, the method further includes: and judging whether the upper computer sends synchronous storage information or not, and after confirming that the upper computer sends the synchronous storage information, sending the display data to the PMOLED display screen to control the PMOLED display screen to play videos according to the display data, and simultaneously sending the display data to the memory card synchronously to store the display data through the memory card. The Memory Card may be an SD Card (Secure Digital Memory Card). The SD card is a memory device based on semiconductor flash memory, and has the characteristics of small volume, high data transmission speed, hot plugging and unplugging and the like. The upper computer can comprise a synchronous storage key, and the synchronous storage key is used for triggering the upper computer to form and send synchronous storage information. The single chip microcomputer synchronously stores the display data in the SD card according to a communication protocol with the upper computer.
Optionally, the video playing method further includes:
and acquiring display data stored in the memory card, and sending the display data to the PMOLED display screen to control the PMOLED display screen to play videos according to the display data.
Specifically, the single chip microcomputer can also read the display data stored in the memory card and send the display data to the PMOLED display screen, so that the PMOLED display screen can play the video again. When the single chip microcomputer obtains the display data stored in the memory card, the display data can be read according to the storage address of the display data in the memory card.
According to the video playing method, the upper computer is used for decoding the video file, the single chip microcomputer can directly acquire the decoded display data so as to output the video image corresponding to the hardware decoding data of the video to the display for displaying, the problems of high single chip microcomputer occupancy rate and video playing blockage caused by software decoding and outputting are avoided, the single chip microcomputer utilization rate is reduced, and the video playing smoothness is improved. Meanwhile, the single chip microcomputer can judge whether the upper computer sends synchronous storage information or not after receiving the display data sent by the upper computer, and synchronously sends the display data to the storage card after confirming that the upper computer sends the synchronous storage information, so that the display data can be stored.
Fig. 3 is a flowchart of another video playing method according to an embodiment of the present invention, and referring to fig. 3, the video playing method includes:
s310, receiving display data sent by an upper computer; the display data is formed by decoding the video file by the upper computer.
And S320, judging whether the upper computer sends the priority storage information or not, and sending the display data to the memory card after confirming that the upper computer sends the priority storage information so as to store the display data through the memory card.
Specifically, after receiving the display data sent by the upper computer, the upper computer determines whether to send the priority storage information, and after confirming that the upper computer sends the priority storage information, the display data is sent to the memory card, so that the display data is stored through the memory card. The upper computer is provided with a priority storage key which can be used for triggering the upper computer to form and send priority storage information. The single chip microcomputer preferentially stores the display data in the SD card according to a communication protocol with the upper computer.
S330, when playing the video, acquiring the display data stored in the memory card.
And S340, sending the display data to the PMOLED display screen to control the PMOLED display screen to play the video according to the display data.
Specifically, according to the requirement of video playing, the single chip microcomputer can read data based on the storage address of the display data in the memory card. And then sending the read display data to the PMOLED display screen, and controlling the PMOLED display screen to play the video.
According to the video playing method provided by the embodiment of the invention, the upper computer is used for carrying out data decoding processing on the video file, the single chip microcomputer can directly acquire the decoded display data, and the problems of high single chip microcomputer occupancy rate and video playing blockage caused by software decoding and output are avoided. Meanwhile, the single chip microcomputer can judge whether the upper computer sends the priority storage information or not after receiving the display data sent by the upper computer, and sends the display data to the memory card for storage preferentially after confirming that the upper computer sends the priority storage information. According to the requirement of video playing, the single chip microcomputer reads data based on the storage address of the display data in the storage card, and then sends the read display data to the PMOLED display screen to control the PMOLED display screen to play the video, so that the PMOLED display screen is prevented from being in communication connection with an upper computer all the time in the video playing process.
An embodiment of the present invention further provides a video playing apparatus, configured to execute the video playing method according to any of the foregoing embodiments, where fig. 4 is a block diagram of a structure of the video playing apparatus according to the embodiment of the present invention, and referring to fig. 4, the video playing apparatus includes:
a display data receiving unit 211, configured to receive display data sent by an upper computer; the display data is formed by decoding the video file by the upper computer;
and a display data sending unit 212, configured to send the display data to the PMOLED display screen 230 to control the PMOLED display screen 230 to play a video according to the display data.
Optionally, fig. 5 is a block diagram of another video playing apparatus provided in an embodiment of the present invention, and referring to fig. 5, the video playing apparatus further includes:
the judging unit 213, the judging unit 213 is used for judging whether the upper computer sends the synchronous storage information after the display data receiving unit 211 receives the display data; the display data sending unit 212 is further configured to send the display data to the memory card 220 synchronously after confirming that the upper computer sends the synchronous storage information, so as to store the display data through the memory card 220;
the determining unit 213 is further configured to determine whether the upper computer sends the priority storage information after the display data receiving unit 211 receives the display data; the display data sending unit 212 is further configured to send the display data to the memory card 220 preferentially after confirming that the upper computer sends the preferential storage information, so as to store the display data through the memory card 220.
An embodiment of the present invention further provides a video playing system, fig. 6 is a block diagram of a structure of the video playing system provided in the embodiment of the present invention, and referring to fig. 6, the video playing system includes:
an upper computer 100 and a PMOLED display device 200;
the PMOLED display device 200 includes a PMOLED display screen 230 and a single chip microcomputer 210, and the single chip microcomputer 210 includes a video playing device according to any embodiment of the present invention; the upper computer 100 is used for decoding the video file to be played into display data and sending the display data to the single chip microcomputer 210.
According to the embodiment of the invention, the upper computer is used for decoding the video file, and the singlechip can directly acquire the decoded display data so as to output the video image corresponding to the hardware decoding data of the video to the display for displaying. For PMOLED display equipment with a small-memory single-chip microcomputer, software decoding is not needed to be carried out on video files in the single-chip microcomputer, and the problems of high single-chip microcomputer occupancy rate and video playing blockage caused by software decoding and outputting are avoided, so that the single-chip microcomputer utilization rate is reduced, and the video playing smoothness is improved. In addition, the PMOLED display device mainly has a monochrome or 16-gray scale display effect, and the picture distortion is severe due to software decoding. The hardware is adopted to decode the video, so that the image quality of the picture of the PMOLED display screen can be improved.
Optionally, the PMOLED display device 200 further includes a memory card 220, and the memory card 220 is used for storing display data.
Specifically, after receiving the display data sent by the upper computer 100, the single chip microcomputer 210 may send the display data to the memory card 220, so as to store the display data through the memory card 220. The single chip microcomputer 210 can also send the read display data from the memory card 220 to the PMOLED display screen 230, and control the PMOLED display screen 230 to play videos.
After receiving the display data sent by the upper computer 100, the single chip microcomputer 210 can determine whether the upper computer 100 sends synchronous storage information, and after confirming that the upper computer 100 sends the synchronous storage information, the display data is sent to the PMOLED display screen 230 to control the PMOLED display screen 230 to play a video according to the display data, and simultaneously the display data is sent to the memory card 220 to store the display data through the memory card 220. The host computer 100 may include a synchronous storage key for triggering the host computer 100 to form and send synchronous storage information. The single chip microcomputer 210 synchronously stores the display data in the SD card according to a communication protocol with the upper computer 100.
In addition, after receiving the display data sent by the upper computer 100, the single chip microcomputer 210 can also judge whether the upper computer 100 sends the priority storage information, and after confirming that the upper computer 100 sends the priority storage information, the display data is sent to the memory card 220, and the display data is stored through the memory card 220. The upper computer 100 may include a priority storage key for triggering the upper computer 100 to form and transmit the priority storage information. The single chip microcomputer 210 preferentially stores the display data in the SD card according to a communication protocol with the upper computer 100. According to the requirement of video playing, the single chip microcomputer 210 reads data based on the storage address of the display data in the memory card 220, then sends the read display data to the PMOLED display screen 230, controls the PMOLED display screen 230 to play video, and avoids the situation that the PMOLED display screen 230 needs to be in communication connection with the upper computer 100 all the time in the video playing process.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.

Claims (10)

1. A video playback method, comprising:
receiving display data sent by an upper computer; the display data is formed by decoding the video file by the upper computer;
and sending the display data to the PMOLED display screen to control the PMOLED display screen to play videos according to the display data.
2. The video playing method according to claim 1, further comprising, after receiving the display data sent by the upper computer:
and judging whether the upper computer sends synchronous storage information or not, and after confirming that the upper computer sends the synchronous storage information, sending the display data to the PMOLED display screen and synchronously sending the display data to a storage card so as to store the display data through the storage card.
3. The video playing method according to claim 1, further comprising, after receiving the display data sent by the upper computer:
and judging whether the upper computer sends priority storage information or not, and sending the display data to a storage card after confirming that the upper computer sends the priority storage information so as to store the display data through the storage card.
4. The video playback method of claim 3, before sending the display data to the PMOLED display screen to control the PMOLED display screen to play back the video according to the display data, further comprising:
and acquiring the display data stored in the memory card.
5. The video playing method according to claim 1, wherein the forming of the display data by the upper computer includes:
acquiring a video file;
decoding the video file into a single frame picture in a BMP format according to a preset decoding frequency;
and analyzing the single frame picture in the BMP format into the display data.
6. A video playback apparatus for executing the video playback method according to any one of claims 1 to 5, comprising:
the display data receiving unit is used for receiving display data sent by the upper computer; the display data is formed by decoding the video file by the upper computer;
and the display data sending unit is used for sending the display data to the PMOLED display screen so as to control the PMOLED display screen to play videos according to the display data.
7. The video playback device according to claim 6, further comprising:
the judging unit is used for judging whether the upper computer sends synchronous storage information or not; the display data sending unit is also used for synchronously sending the display data to a storage card after confirming that the upper computer sends synchronous storage information so as to store the display data through the storage card;
the judgment unit is also used for judging whether the upper computer sends the priority storage information or not; the display data sending unit is further used for preferentially sending the display data to a storage card after the upper computer is confirmed to send the preferential storage information, so that the display data can be stored through the storage card.
8. A video playing system is characterized by comprising an upper computer and a PMOLED display device, wherein the PMOLED display device comprises a PMOLED display screen and a singlechip, and the singlechip comprises the video playing device of any one of claims 6 to 7; the upper computer is used for decoding the video file to be played into display data and sending the display data to the single chip microcomputer.
9. The video playback system of claim 8, wherein the PMOLED display device further comprises a memory card for storing the display data.
10. The video playback system according to claim 8, wherein the upper computer includes:
the synchronous storage key is used for triggering the upper computer to form and send synchronous storage information;
and the priority storage key is used for triggering the upper computer to form and send priority storage information.
CN202210790292.8A 2022-07-05 2022-07-05 Video playing method, device and system Pending CN115209001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210790292.8A CN115209001A (en) 2022-07-05 2022-07-05 Video playing method, device and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210790292.8A CN115209001A (en) 2022-07-05 2022-07-05 Video playing method, device and system

Publications (1)

Publication Number Publication Date
CN115209001A true CN115209001A (en) 2022-10-18

Family

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Application Number Title Priority Date Filing Date
CN202210790292.8A Pending CN115209001A (en) 2022-07-05 2022-07-05 Video playing method, device and system

Country Status (1)

Country Link
CN (1) CN115209001A (en)

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