CN111835957B - Video processing method, video processing device and video processing equipment - Google Patents
Video processing method, video processing device and video processing equipment Download PDFInfo
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- CN111835957B CN111835957B CN201910306438.5A CN201910306438A CN111835957B CN 111835957 B CN111835957 B CN 111835957B CN 201910306438 A CN201910306438 A CN 201910306438A CN 111835957 B CN111835957 B CN 111835957B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/4448—Receiver circuitry for the reception of television signals according to analogue transmission standards for frame-grabbing
Abstract
The embodiment of the invention provides a video processing method, which comprises the following steps: acquiring video frames continuously input by a target video source; carrying out video processing on the received video frame by using the normal window parameter to obtain a display image and storing the display image into a first cache; outputting the display image stored in the first cache for display; responding to the snapshot enabling instruction, and replacing the normal window parameter with the snapshot window parameter to perform video processing on the received video frame to obtain a snapshot image and store the snapshot image in a second cache; and automatically recovering to use the normal window parameter to carry out video processing on the received video frame after the obtained snapshot image is written into the second cache. In addition, the embodiment of the invention also provides a video processing device and video processing equipment capable of carrying out the method. The embodiment of the invention has the advantages that not only can the resource consumption be greatly reduced on hardware, but also the video source can be processed and then snapshot is carried out, and the operation is flexible and convenient.
Description
Technical Field
The present invention relates to the field of video processing technologies, and in particular, to a video processing method, a video processing apparatus, and a video processing device.
Background
With the birth, growth and maturity of LED full-color display screens, video processors have also come into the LED industry. And the quality of the video processor directly influences the display effect of the LED display screen. The general video processor has the functions of color gamut space conversion, scaling, clipping, enhancement and the like, and the processing method thereof includes, for example, selecting a certain video source (normal window display input source has different interfaces such as DVI, HDMI, DP and SDI cameras) for processing for an upper computer, including the processes of color gamut conversion, scaling, clipping, image enhancement and the like, then caching the processed image, and finally performing output display of a window.
In addition, the video processor can also have a video processing function, namely snapshot, and capture and store a certain frame of image in the video source, so that the requirement of a user for quickly and simply realizing the snapshot of the video source is met. The video source snapshot implementation method in the related technical scheme is that a snapshot video source is used as a window to be displayed, then a current frame is obtained to be displayed according to a snapshot instruction issued by an upper computer, then the video source is adjusted according to the snapshot position and the display size, and finally the video source is snapshot and stored in a storage space, so that the snapshot of the video source is completed.
As shown in fig. 1, when displaying a normal window, an original frame 2 continuously input from a certain video source 1 is subjected to video processing on the original frame 2 by using a normal window 3 to obtain a display frame 5, then the display frame 5 is sequentially cached and written into an image cache 7 and output to a display 9, and when obtaining the video source 1 by using the normal window 3, a snapshot is also obtained by obtaining the original frame 2 continuously input from the video source 1, a snapshot frame 6 of one frame is obtained by using a snapshot window 4, and then the snapshot frame is cached and written into a snapshot cache 8. The disadvantage of this snapshot method is that not only the hardware resource of the video processing module needs to be consumed, but also extra DDR bandwidth needs to be occupied when the snapshot is written into a volatile memory (also called a random address memory, RAM for short, or SRAM, DRAM, DDR is one kind of DRAM).
Disclosure of Invention
The embodiment of the invention provides a video processing method, a video processing device and video processing equipment, which not only can greatly reduce resource consumption on hardware, but also can perform snapshot after processing a video source, and are flexible and convenient to operate.
Specifically, the embodiment of the invention provides a video processing method, which comprises the steps of acquiring video frames continuously input by a target video source; carrying out video processing on the received video frame by using the normal window parameter to obtain a display image and storing the display image into a first cache; outputting the display image stored in the first cache for display; responding to the snapshot enabling instruction, and replacing the normal window parameter with the snapshot window parameter to perform video processing on the received video frame to obtain a snapshot image and store the snapshot image in a second cache; and after the obtained snapshot image is written into a second cache, resuming the video processing of the received video frame by using the normal window parameter.
In an embodiment of the present invention, the snapshot window parameters include a position and a size of a clipped window, a scaling and a picture quality parameter.
In an embodiment of the present invention, the video processing method further includes selecting one of the input multiple video sources as the target video source.
In addition, the embodiment of the invention also provides a video processing device, which comprises an acquisition module, a processing module and a display module, wherein the acquisition module is used for acquiring video frames continuously input by a target video source; a first cache; a second cache; the video processing channel is used for carrying out video processing on the received video frame by using the normal window parameters so as to obtain a display image and store the display image into the first cache; responding to the snapshot enabling instruction, and replacing the normal window parameter with the snapshot window parameter to perform video processing on the received video frame to obtain a snapshot image and store the snapshot image in a second cache; after the obtained snapshot image is written into a second cache, restoring to use the normal window parameter to carry out video processing on the received video frame; and the display output module is used for outputting the display image stored in the first cache for display.
In an embodiment of the present invention, the snapshot window parameters include a position and a size of a clipped window, a scaling and a picture quality parameter.
In one embodiment of the present invention, the video processing apparatus further comprises a multiplexer for selecting one of the inputted plurality of video sources as the target video source.
Furthermore, an embodiment of the present invention further provides a video processing apparatus, including a volatile memory including storage areas respectively serving as a first cache and a second cache; the programmable logic device is connected with the volatile memory; the microcontroller is connected with the programmable logic device and is used for sending normal window parameters, snapshot window parameters and snapshot enabling instructions to the programmable logic device; the programmable logic device is used for acquiring video frames continuously input by a target video source; carrying out video processing on the received video frame by using the normal window parameter so as to obtain a display image and storing the display image into the first cache; outputting the display image stored in the first cache for display; responding to the snapshot enabling instruction, and replacing the normal window parameter with the snapshot window parameter to perform video processing on the received video frame so as to obtain a snapshot image and store the snapshot image in the second cache; and after the obtained snapshot image is written into a second cache, resuming the video processing of the received video frame by using the normal window parameter.
In an embodiment of the present invention, the video processing apparatus further includes a multi-channel video source input module, connected to the programmable logic device, and configured to input a plurality of video sources; wherein the programmable logic device is further configured to select one of the plurality of video sources as the target video source.
In an embodiment of the present invention, the video processing apparatus further comprises a non-volatile memory connected to the microcontroller; the microcontroller is further used for transferring the snapshot image stored in the second cache to the nonvolatile memory through the programmable logic device.
In an embodiment of the present invention, the snapshot window parameters include a position and a size of a clipped window, a scaling and a picture quality parameter.
One of the above technical solutions has the following advantages or beneficial effects: for the related technical scheme in the background art, the video source snapshot method is equivalent to using a normal window (corresponding to a video processing channel) to perform snapshot, so that the consumption of hardware resources is not paid; however, the video processing method provided by the invention selects a frame to capture in the process of displaying the normal window of the video, which is equivalent to 'stealing' a frame of image from the video as a captured image to realize the capturing effect, although the method needs to capture a frame of the normal video source window, the method does not affect the normal display effect of the window, and has the advantages that the method can realize hardware resource reuse (namely, does not need a separate video processing channel to capture), not only can greatly reduce resource consumption on hardware and does not need to occupy extra DDR bandwidth, but also can capture the video source after processing, and is flexible and convenient to operate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a video processing method in the related art.
Fig. 2 is a flowchart of a video processing method according to an embodiment of the present invention.
Fig. 3 is a schematic flowchart of a video processing method according to an embodiment of the present invention.
Fig. 4 is a data timing diagram of a video processing method according to an embodiment of the invention.
Fig. 5 is a block diagram of a video processing apparatus according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a video processing apparatus according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a video processing apparatus according to another embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a video processing apparatus according to still another embodiment of the present invention.
[ description of the figure element symbols ]
1: a video source; 2: an original frame; 3: a normal window; 4: snapping a window; 5: displaying the frame; 6: capturing a frame; 7: caching the image; 8: snapshot caching; 9: a display;
10: a target video source; 11: a video frame; 12: displaying an image; 13: capturing an image; 21: normal window parameters; 22: capturing window parameters; 31: caching; 32: caching; 40: a display device;
50: a video processing device; 51: an acquisition module; 52: a video processing channel; 53: caching; 54: caching; 55: a display output module;
60: a video processing device; 61: a volatile memory; 62: a programmable logic device; 63: a microcontroller; 64: a multi-channel video source input module; 65: a non-volatile memory.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2 and fig. 3 together, fig. 2 is a flow chart of a video processing method according to an embodiment of the present invention; fig. 3 is a schematic flowchart of a video processing method according to an embodiment of the present invention. As shown in fig. 2 and 3, the video processing method includes acquiring video frames 11 continuously input by a target video source 10; performing video processing on the received video frame 11 by using the normal window parameter 21 to obtain a display image 12, and storing the display image in a buffer 31; outputting the display image 12 stored in the buffer 31 for display; responding to the snapshot enabling instruction, and replacing the normal window parameter 21 with the snapshot window parameter 22 to perform video processing on the received video frame 11 to obtain a snapshot image 13 and store the snapshot image in the cache 32; and resuming video processing of the received video frame 11 using the normal window parameter 21 after said captured image 13 is written into the buffer 32.
The target video source 10 is one of a plurality of video sources selected as the target video source 10, and the plurality of video sources may be input sources from different interfaces such as DVI, HDMI, DP, and SDI cameras, which is not limited herein.
The video is composed of a plurality of continuous video frames, so in order to play the video, the video frames are input to the normal window parameter 21 frame by frame 11 to perform video processing to obtain the display image, and the display image 12 stored in the buffer 31 is output to the display device 40 after being stored in the buffer 31, such as DDR, i.e. the video is played. The display device 40 is, for example, an LED display device, and typically includes a transmitting card, a receiving card, and an LED display module connected in sequence.
When a snapshot enabling instruction is issued, replacing the normal window parameter 21 with the snapshot window parameter 22, namely performing video processing by using the snapshot window parameter 22, wherein the snapshot window parameter 22 comprises the position and the size of the intercepted window, the scaling ratio, the image quality parameter and the like for picture adjustment, and is not limited herein; and adjusting the picture through the snapshot window parameter 22 to obtain a snapshot image 13, storing the snapshot image into a cache 32 such as a DDR (double data rate), and finishing the snapshot instruction.
After the snapshot instruction is completed, the snapshot window parameter 22 is restored to the normal window parameter 21, so that the subsequent video frame 11 continues to be processed to form the display image 12, and the display image 12 is stored in the buffer 31 and output to the display device 40, and the video continues to be played.
Referring to fig. 4, fig. 4 is a data timing diagram of a video processing method according to an embodiment of the invention. To explain the capturing process more clearly, the following briefly describes the data of the capturing process of the present embodiment: CLK represents a clock signal, VS represents a frame frequency signal, Capen represents a snapshot enabling instruction, when the snapshot enabling instruction is reached, hardware can select a frame after Capen to serve as a snapshot result to be stored in a corresponding cache region after acquiring the snapshot instruction, VS _ Start represents a frame at the beginning of snapshot, Paramsel represents a window parameter selection enabling signal, Param represents a snapshot window parameter 22, and a SelUpdate signal triggers automatic updating to a normal window parameter 21 after the snapshot is completed.
Referring to fig. 3 and 5 together, fig. 5 is a block diagram of a video processing apparatus according to an embodiment of the present invention.
An embodiment of the present invention also provides a video processing apparatus, as shown in fig. 5, where the video processing apparatus 50 includes:
an obtaining module 51, configured to obtain video frames 11 continuously input by a target video source 10, where the target video source 10 selects one of multiple video sources as the target video source 10 for input, and the multiple video sources may be input sources from different interfaces such as a DVI, an HDMI, a DP, and an SDI camera, which is not limited herein;
cache 53 and cache 54, cache 53 and cache 54 may be different storage areas in the same volatile memory, e.g., DDR;
a video processing channel 52, configured to perform video processing on the received video frame 11 using the normal window parameter 21 to obtain a display image 12, and store the display image in a buffer 53; responding to the snapshot enabling instruction, and replacing the normal window parameter 21 with the snapshot window parameter 22 to perform video processing on the received video frame 11 to obtain a snapshot image 14 and store the snapshot image in the cache 54; after the obtained snapshot image 13 is written into the buffer 54, resuming the video processing of the received video frame 11 by using the normal window parameter 21, wherein the snapshot window parameter 22 includes the position and size of the captured window, the scaling ratio, the image quality parameter, and the like for adjusting the image, which is not limited herein; and
and a display output module 55, configured to output the display image 13 stored in the buffer 53 for display.
Referring to fig. 3 and fig. 6 together, fig. 6 is a schematic structural diagram of a video processing apparatus according to an embodiment of the present invention.
An embodiment of the present invention also provides a video processing apparatus 60, as shown in fig. 6, the video processing apparatus includes:
a volatile memory 61 including storage areas as a cache 31 and a cache 32, respectively; a programmable logic device 62 connected to the volatile memory 61; and a microcontroller 63 connected to the programmable logic device 62 and configured to send the normal window parameter 21, the snapshot window parameter 22 and the snapshot enable instruction to the programmable logic device 62.
The snapshot window parameters 22 include the position and size of the captured window, the scaling ratio, and the image quality parameters for adjusting the image, which are not limited herein.
The programmable logic device 62 is configured to:
acquiring video frames 11 continuously input by a target video source 10;
performing video processing on the received video frame 11 by using the normal window parameter 21 to obtain a display image 12, and storing the display image in a buffer 31;
outputting the display image 12 stored in the buffer 31 for display;
responding to the snapshot enabling instruction, and replacing the normal window parameter 21 with the snapshot window parameter 22 to perform video processing on the received video frame 11 to obtain a snapshot image 13 and store the snapshot image in the cache 32; and
after the captured image 13 is written into the buffer 32, the video processing of the received video frame 11 using the normal window parameter 21 is resumed.
Referring to fig. 3 and fig. 7 together, fig. 7 is a schematic structural diagram of a video processing apparatus according to another embodiment of the present invention.
In a specific embodiment, the video processing apparatus 60 further includes a multi-channel video source input module 64 connected to the programmable logic device 62 and configured to input a plurality of video sources, wherein the programmable logic device 62 is further configured to select one of the plurality of video sources as the target video source 10, and the plurality of video sources may be input sources selected from different interfaces such as DVI, HDMI, DP and SDI cameras, which is not limited herein.
Referring to fig. 3 and 8 together, fig. 8 is a schematic structural diagram of a video processing apparatus according to still another embodiment of the present invention.
In one embodiment, the video processing device 60 further comprises a non-volatile memory 65 connected to the microcontroller 63, wherein the microcontroller 63 further interacts with the programmable logic device 62 via a bus, such as an FSMC, to access the connected volatile memory 61 and to transfer the captured images 13 stored in the buffer memory 32 to the non-volatile memory 65.
Compared with the related technical scheme in the background art, the embodiment of the invention is equivalent to 'stealing' one frame in the continuous video frame 11 sequence to be used as the snapshot image 13, so that one frame of the surreptitious snapshot image 13 is less in the normal window parameter 21 during video processing, so that one video frame is absent in the continuous video frame 11 sequence, but one video source is combined by a plurality of video frames within one second, and the missing one video frame is difficult to find by human eyes, therefore, the normal display effect is not influenced in the situation, the resource consumption can be greatly reduced on hardware, in addition, the video can be subjected to picture adjustment at the moment of snapshot through the snapshot window parameter, and the subsequent edition on the snapshot image is not required after snapshot, so that the effect of flexibly editing the snapshot image is obtained.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A video processing method, comprising:
acquiring video frames continuously input by a target video source;
carrying out video processing on the received video frame by using the normal window parameter to obtain a display image and storing the display image into a first cache;
outputting the display image stored in the first cache for display;
responding to the snapshot enabling instruction, and replacing the normal window parameter with the snapshot window parameter to perform video processing on the received video frame to obtain a snapshot image and store the snapshot image in a second cache; and
and automatically recovering to use the normal window parameter to carry out video processing on the received video frame after the obtained snapshot image is written into a second cache.
2. The video processing method of claim 1, wherein the snapshot window parameters include a position and a size of a clipped window, a scaling ratio, and a picture quality parameter.
3. The video processing method of claim 1, further comprising:
selecting one of the inputted plurality of video sources as the target video source.
4. A video processing apparatus, comprising:
the acquisition module is used for acquiring video frames continuously input by a target video source;
a first cache;
a second cache;
a video processing channel to:
carrying out video processing on the received video frame by using normal window parameters to obtain a display image and storing the display image into the first cache;
responding to the snapshot enabling instruction, and replacing the normal window parameter with the snapshot window parameter to perform video processing on the received video frame to obtain a snapshot image and store the snapshot image in a second cache; and
after the obtained snapshot image is written into a second cache, restoring to use the normal window parameter to perform video processing on the received video frame; and
and the display output module is used for outputting the display image stored in the first cache for display.
5. The video processing apparatus according to claim 4, wherein the snapshot window parameters include a position and a size of a clipped window, a scaling and a picture quality parameter.
6. The video processing apparatus according to claim 4, further comprising:
a multiplexer for selecting one of the inputted plurality of video sources as the target video source.
7. A video processing apparatus, comprising:
a volatile memory including storage areas as a first cache and a second cache, respectively;
the programmable logic device is connected with the volatile memory; and
the microcontroller is connected with the programmable logic device and is used for sending normal window parameters, snapshot window parameters and snapshot enabling instructions to the programmable logic device;
wherein the programmable logic device is to:
acquiring video frames continuously input by a target video source;
carrying out video processing on the received video frame by using the normal window parameter so as to obtain a display image and storing the display image into the first cache;
outputting the display image stored in the first cache for display;
responding to the snapshot enabling instruction, and replacing the normal window parameter with the snapshot window parameter to perform video processing on the received video frame so as to obtain a snapshot image and store the snapshot image in the second cache; and
and after the obtained snapshot image is written into a second cache, resuming the video processing of the received video frame by using the normal window parameter.
8. The video processing device according to claim 7, further comprising:
the multi-channel video source input module is connected with the programmable logic device and is used for inputting a plurality of video sources;
wherein the programmable logic device is further configured to select one of the plurality of video sources as the target video source.
9. The video processing device according to claim 7, further comprising:
the nonvolatile memory is connected with the microcontroller;
the microcontroller is further used for transferring the snapshot image stored in the second cache to the nonvolatile memory through the programmable logic device.
10. The apparatus of claim 7, wherein the snapshot window parameters include a position and size of a truncated window, a scaling and a picture quality parameter.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890816A (en) * | 2011-07-20 | 2013-01-23 | 深圳市快播科技有限公司 | Method and device for video image scaling |
| CN105791952A (en) * | 2016-03-02 | 2016-07-20 | 传线网络科技（上海）有限公司 | Screen shooting method and device for streaming media video data, and electronic device |
| CN107197357A (en) * | 2016-03-14 | 2017-09-22 | 阿里巴巴集团控股有限公司 | The intercept method and device of video in a kind of broadcasting |
| CN108055590A (en) * | 2017-12-20 | 2018-05-18 | 聚好看科技股份有限公司 | The display methods of the graphic user interface of television image sectional drawing |
| US10104436B1 (en) * | 2009-02-23 | 2018-10-16 | Beachfront Media Llc | Automated video-preroll method and device |
| CN108881999A (en) * | 2018-06-27 | 2018-11-23 | 聚好看科技股份有限公司 | A kind of screenshotss processing method and system |
-
2019
- 2019-04-16 CN CN201910306438.5A patent/CN111835957B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10104436B1 (en) * | 2009-02-23 | 2018-10-16 | Beachfront Media Llc | Automated video-preroll method and device |
| CN102890816A (en) * | 2011-07-20 | 2013-01-23 | 深圳市快播科技有限公司 | Method and device for video image scaling |
| CN105791952A (en) * | 2016-03-02 | 2016-07-20 | 传线网络科技（上海）有限公司 | Screen shooting method and device for streaming media video data, and electronic device |
| CN107197357A (en) * | 2016-03-14 | 2017-09-22 | 阿里巴巴集团控股有限公司 | The intercept method and device of video in a kind of broadcasting |
| CN108055590A (en) * | 2017-12-20 | 2018-05-18 | 聚好看科技股份有限公司 | The display methods of the graphic user interface of television image sectional drawing |
| CN108881999A (en) * | 2018-06-27 | 2018-11-23 | 聚好看科技股份有限公司 | A kind of screenshotss processing method and system |
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