CN112866712A - Display control method of image code stream data and decoding equipment - Google Patents
Display control method of image code stream data and decoding equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
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- 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
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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Abstract
The application discloses a display control method of image code stream data, which comprises the steps that a main control chip of decoding equipment configures at least one stream taking chip and n decoding chip resources according to the track number n of coded code stream data; configuring display blocking information according to display requirements; controlling a stream taking chip to take the stream according to the track identification in the coding code stream data; controlling n decoding chips to respectively decode the coded code stream data after the stream is taken from the stream taking chip according to the track identification; acquiring frame information of the same frame from the decoding chip; and respectively sending the frame information and the display block information to the n decoding chips, so that the decoding chips cut the decoded code stream data into m information blocks according to the frame information and the display block information and output the m information blocks. The display control of the code stream data of the ultrahigh resolution codes on the television wall is realized, the high-efficiency integration and utilization of equipment resources are improved, and the defect of insufficient decoding capacity of a single chip is avoided.
Description
Technical Field
The invention relates to the field of display control of a television wall, in particular to a display control method of image code stream data.
Background
There is an increasing demand for video walls that are assembled from multi-sided LCD displays or a plurality of LED display units that are assembled to a certain size for front-end image display.
Referring to fig. 1, fig. 1 is a schematic diagram of outputting front-end image code stream data on a television wall. After the decoding device (also called as a decoding on-wall device, a decoding matrix device) can obtain a network address of a front-end source device connected with the decoding device through a client, the decoding device initiates stream fetching to the front-end source device so as to receive encoded code stream data from the front-end source. The code stream data (including image code stream data from the network) is decoded by a decoding device, cut according to the display information and finally output to a television wall display through a corresponding output port, thus completing the splicing display of the image on the television wall. The mosaic display comprises image output across a plurality of displays, and can be amplified and reduced or roamed to any position of a television wall as required.
Referring to fig. 2, fig. 2 is a schematic diagram of a decoding device in the prior art for processing code stream data internally. The decoding device comprises a main control chip, a stream fetching chip, a decoding chip and a display chip set comprising more than one display chip, wherein,
the main control chip receives the configuration parameters of the client and respectively controls the stream taking chip, the decoding chip and the display chip set;
the stream taking chip takes the stream of the coded code stream data from the front-end source according to the front-end source information received by the main control chip and sent from the client,
the display chip feeds back the display position of the cut image block and the display memory offset to the client through the main control chip according to the television wall specification information received by the main control chip and sent from the client, so that the client can acquire the display information, wherein the display position and the display memory offset are determined according to the condition that the width and the height of the image window coordinate are crossed with the splicing screen coordinate;
the decoding chip decodes the coded code stream data from the stream taking chip, and according to display block information configured by the main control chip based on display block parameters issued by the client, the decoded code stream data is subjected to block cutting and is respectively output to the corresponding display chips; and the display chip copies the decoded code stream data according to the video memory offset and outputs the data to the television wall display through a corresponding output port.
With the improvement of image resolution, code streams with ultrahigh resolution are widely used. However, the above-described conventional method for controlling display of image code stream data is not applicable.
Disclosure of Invention
The invention provides a display control method of image code stream data, which aims to solve the display control of ultrahigh-resolution coding code stream data on a television wall.
The invention provides a display control method of image code stream data, which comprises the following steps,
a main control chip of the decoding equipment configures at least one stream taking chip and n decoding chip resources according to the track number n of the coded code stream data;
configuring display blocking information according to display requirements;
controlling a stream taking chip to take the stream according to the track identification in the coding code stream data;
controlling n decoding chips to respectively decode the coded code stream data after the stream is taken from the stream taking chip according to the track identification;
acquiring frame information of the same frame from the decoding chip;
respectively sending the frame information and the display block information to the n decoding chips, so that the decoding chips cut the decoded code stream data into m information blocks according to the frame information and the display block information and output the m information blocks;
wherein N is a natural number less than or equal to N, and N is the total number of the decoding chips; and m is a natural number and is determined according to display requirements.
Preferably, the controlling the stream fetching chip to fetch the stream according to the track identifier in the encoded code stream data includes,
configuring track cutting information according to the track identification, sending the configured track cutting information to a stream taking chip, so that the stream taking chip takes the stream according to the track cutting information,
the control n decoding chips respectively decode the coded code stream data after the stream is taken from the stream taking chip according to the track identification,
the main control chip respectively sends the track cutting information to the n decoding chips, so that the n decoding chips respectively decode the coded code stream data after stream taking from the stream taking chip according to the track cutting information;
the method further comprises the step of enabling the user to select the target,
the main control chip judges whether the front-end source connected with the decoding device is recorded as a multi-track front-end source device, if so, the multi-track front-end source device judges that multi-track coding code stream data enters a multi-track mode, otherwise, the single-track front-end source device judges that single-track coding code stream data enters a single-track mode,
the multi-track coding code stream data comprises n tracks, wherein n is larger than 1; the single-track coding code stream data comprises 1 track.
Preferably, the decoding device further includes M display chips, and the M information blocks are output to corresponding output ports through the M display chips, respectively;
the method further comprises the step of enabling the user to select the target,
receiving configuration parameters from a client, wherein the configuration parameters at least comprise a streaming parameter and a block parameter,
and analyzing the flow taking parameters, and associating the flow channels according to the flow taking parameters.
Preferably, in the single-track mode:
the configuring of at least one stream taking chip and n decoding chip resources comprises configuring 1 stream taking chip and 1 decoding chip resource,
the method comprises configuring track cutting information according to track identification, respectively sending the configured track cutting information to a stream taking chip and n decoding chips,
respectively sending the single-track flow taking configuration parameters to a flow taking chip and a decoding chip, so that the flow taking chip takes the flow according to the single-track flow taking configuration parameters, and the decoding chip decodes the coded code flow data after the flow taking from the flow taking chip according to the single-track flow taking configuration parameters;
receiving decoding state information from a decoding chip, judging whether the code stream data is multi-track coding code stream data or single-track coding code stream data according to the decoding state information,
if the data is multi-track coding code stream data, recording that a front-end source currently connected with the decoding equipment is multi-track front-end source equipment, and releasing a current stream-taking chip and decoding chip resources; switching to a multi-track mode;
and if the single-track coding code stream data exists, displaying the blocking information according to the block parameter configuration, and sending the blocking information to the decoding chip, so that the decoding chip cuts the decoding code stream data into m information blocks according to the frame information and the displayed blocking information.
Preferably, in the multi-track mode:
said configuring at least one stream taking chip and n decoding chip resources further comprises,
searching 1 stream taking chip and n decoding chip resources,
judging whether the searched resources are met, if so, re-associating the flow channel and receiving the flow taking parameters, executing the step of configuring the track cutting information according to the track identification, and if not, releasing the associated flow channel and prompting that the resources are insufficient;
the method comprises configuring track cutting information according to track identification, respectively sending the configured track cutting information to a stream taking chip and n decoding chips, and further comprises,
receiving decoding state information from the decoding chips and code stream information of decoded stream data, judging whether decoding is successful or not according to the decoding state information, if decoding is successful, summarizing the code stream information of the decoded code stream data from each decoding chip to obtain frame information of the same frame of all tracks, and otherwise, prompting that decoding is unsuccessful.
Preferably, in the multi-track mode, the method further includes stopping current display, determining output port information of the display chip according to the block parameter, and sending the output port information to the display chip, so that the display chip outputs the segmented block information according to the output port information to perform roaming zoom display.
Preferably, the stopping of the current display includes that the main control chip sends a display stopping instruction to the display chip, sends a stream fetching stopping instruction of the encoded code stream data to the stream fetching chip, and sends decoding stopping instructions to each decoding chip respectively.
The invention provides a decoding device on the other hand, which comprises a main control chip, at least one stream taking chip and a decoding chipset consisting of N decoding chips; wherein the content of the first and second substances,
the main control chip configures at least one stream taking chip and n decoding chip resources according to the track number n of the coded code stream data; configuring display blocking information according to display requirements;
the stream taking chip is used for taking the stream of the coded code stream data according to the track identification in the coded code stream data;
the n decoding chips respectively decode the coded code stream data after the stream taking from the stream taking chip according to the track identification; dividing the decoded code stream data into m information blocks for output according to the frame information of the same frame acquired by the main control chip from the decoding chip and the configuration display blocking information from the main control chip;
wherein N is a natural number less than or equal to N, N is the total number of decoding chips, and m is a natural number determined according to display requirements.
Preferably, the decoding device further includes a display chip set composed of M display chips, and the M display chips respectively output the M information blocks from the decoding chip to the corresponding output ports.
The invention also provides a main control chip of the decoding device, which comprises a main control chip,
configuring at least one stream taking chip and n decoding chip resources according to the track number n of the coded code stream data; configuring display blocking information according to display requirements;
controlling a stream taking chip to take the stream according to the track identification in the coding code stream data;
controlling n decoding chips to respectively decode the coded code stream data after the stream is taken from the stream taking chip according to the track identification;
acquiring frame information of the same frame from the decoding chip;
respectively sending the frame information and the display block information to the n decoding chips, so that the decoding chips cut the decoded code stream data into m information blocks according to the frame information and the display block information and output the m information blocks;
wherein N is a natural number less than or equal to N, N is the total number of decoding chips, and m is a natural number determined according to display requirements.
The display control method of the image code stream data provided by the invention has the advantages that the coding code stream data with ultrahigh resolution is taken as n track data, n decoding chips are used for decoding, the decoding code stream data is cut into more than one information block for output and display through the acquired frame information and the display block information, the high-efficiency decoding and display control of the coding code stream data with ultrahigh resolution is realized, the defect of insufficient decoding capability of a single chip is avoided, the working time of decoding equipment is shortened, the coding mode of a front-end source can not be distinguished for the coding code stream data, and the high-efficiency integration and utilization of equipment resources are improved.
Drawings
Fig. 1 is a schematic diagram of outputting front-end image code stream data on a television wall.
Fig. 2 is a schematic diagram of a decoding device in the prior art for processing code stream data internally.
Fig. 3 is a schematic diagram of an internal processing of code stream data in a decoding device according to an embodiment of the present invention.
Fig. 4a and 4b are interaction schematic diagrams of a client, a main control chip in a decoding device, and a decoding chip in a cross-screen display control process according to an embodiment of the present application. Wherein, the 4a diagram is an interaction schematic in a multi-track mode, and the 4b diagram is an interaction schematic in a single-track mode.
Fig. 5 is an interaction diagram of a client, a main control chip in a decoding device, and a decoding chip in a multi-track encoded code stream roaming zooming display control process according to an embodiment of the present application.
Fig. 6a and 6b are schematic interaction diagrams of a client, a main control chip in decoding equipment, and a decoding chip in a start-stop decoding display control process of a multi-track encoded code stream according to an embodiment of the present application. Fig. 6a is an interactive illustration of stopping decoding display control of a multi-track encoded code stream, and fig. 6b is an interactive illustration of starting decoding display control of a multi-track encoded code stream.
Detailed Description
For the purpose of making the objects, technical means and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings.
The applicant finds that the ultrahigh resolution coding code stream data is generally divided into a plurality of rows for coding processing, wherein each row is a track, each track comprises a track identifier, and multi-track coding code stream data is formed; in the existing display control of image code stream data, whether the encoded code stream image from a front-end source is single-track or multi-track is not distinguished, and a decoding chip is still used for decoding multi-track encoded code stream data, so that the resources of decoding equipment are idle, the decoding efficiency is low, and even multi-track encoded code stream data cannot be correctly decoded due to insufficient decoding capability of a single chip.
The method and the device aim at the characteristics of the multi-track coding code stream, a decoding chip set comprising n decoding chips is adopted, each decoding chip is independently responsible for analyzing coding code stream data of one track, frame information of the same frame of all the tracks is collected, and display control is carried out on the multi-track coding code stream data. Wherein N is a natural number less than or equal to N, N is the total number of decoding chips,
referring to fig. 3, fig. 3 is a schematic diagram of the decoding device according to the embodiment of the present invention for processing code stream data inside. The figure comprises a decoding chip set consisting of N decoding chips and a display chip set consisting of M display chips. The main control chip in the decoding device receives the stream taking parameters and the block parameters from the client, configures the stream taking chip, the decoding chip resources and the working mode (single track or multi-track) according to the track identification or the stream taking parameters of the coded code stream data, releases the currently occupied decoding chip when the coded code stream is a multi-track coded code stream, and searches for 1 idle stream taking chip and n decoding chips again, wherein n is the track number of the coded code stream. And the stream taking chip issues the coding stream of the n tracks to the n decoding chips according to the track identification, and each decoding chip is independently responsible for analyzing the coding stream of one track. And finally, the main control chip collects the information of the same frame of all the tracks, acquires frame information, configures and displays the block information according to the block parameters, sends the frame information and the display block information to the decoding chip, and the decoding chip cuts the decoding code stream into m information blocks and sends the m information blocks to each display chip for on-wall display. Where the number of m is determined by the requirements of the display.
In another embodiment, the above-mentioned display chip function is integrated into a decoding chip, in which case, the decoding chip divides the decoded code stream data into m information blocks according to the frame information and the display block information and outputs the m information blocks to the corresponding output ports.
The following respectively describes the display control processes of cross-screen display, roaming zooming and start-stop decoding included in the tiled display.
Referring to fig. 4a and 4b, fig. 4a and 4b are schematic diagrams illustrating interaction between a client and a main control chip and a decoding chip in a decoding device in a cross-screen display control process according to an embodiment of the present application. Fig. 4a is an interaction schematic in the multi-track mode, and fig. 4b is an interaction schematic in the single-track mode.
Step 401, the client responds to the operation of the user, configures the specification and coordinates of the television wall, issues the stream-taking parameters and the block parameters to a main control chip in the decoding device,
step 402, the main control chip in the decoding device analyzes the issued stream fetching parameters, associates the stream channel, determines whether the front-end source connected to the decoding device has been recorded as a multi-track front-end source device, i.e. determines whether the front-end source has been recorded as multi-track coding stream data, if so, enters a multi-track mode, otherwise, enters a single-track mode,
wherein, in multi-track mode:
step 403, the main control chip searches for 1 stream taking chip and n decoding chip resources, where n is the number of decoding chips participating in decoding and is determined according to the track identifier;
whether the searched chip resources are satisfied is judged,
if the chip resources are not satisfied, releasing the associated flow channels to prompt that the resources are insufficient;
if yes, go to step 404, re-associate the stream channel, re-receive the stream fetching parameter to reduce the unreliability caused by the mode switching, and configure the operation mode as the multi-track mode, that is: configuring track cutting information of multi-track coding code stream data according to the track identification, and sending the configured track cutting information to the stream taking chip and the n decoding chips;
step 405, the stream taking chip takes the stream according to the track cutting information and sends the coded stream data after cutting and taking the stream to the n decoding chips;
in the step, the stream taking chip outputs n track coding code stream data, and the n track coding code stream data are sent to the n decoding chips, so that one decoding chip is responsible for decoding one track coding code stream data;
step 406, each decoding chip configures decoding chip code stream receiving information according to the configured track cutting information, the n decoding chips receive and decode the encoded code stream data of each track, and the decoding state information and the code stream information of the decoded code stream data are reported to the main control chip after decoding is finished;
step 407, the main control module judges whether decoding is successful according to the decoding state information, if decoding is successful, the main control module collects the code stream information of the decoded code stream data to obtain the frame information of the same frame of all the tracks, displays the blocking information according to the block parameter configuration, and sends the displayed blocking information and the frame information to the decoding chip;
step 408, the decoding chip cuts the decoded code stream data into m information blocks according to the display blocking information and the frame information, and outputs the m information blocks to m display chips; otherwise, the decoding is prompted to be unsuccessful.
And the m display chips respectively output the information blocks through corresponding output ports.
In single-track mode:
step 409, the main control chip configures 1 stream taking chip and 1 decoding chip resource, and configures the working mode as a single-track mode, namely: sending the single-track flow taking configuration parameters to a flow taking chip and a decoding chip;
step 410, the stream fetching chip fetches the stream according to the single-track stream fetching configuration parameters and sends the stream to the decoding chip,
step 411, the decoding chip configures the code stream receiving information of the decoding chip according to the single-track stream taking configuration parameter, receives and decodes the encoded code stream data from the stream taking chip, and reports decoding state information to the main control chip after decoding is completed;
in step 412, the main control chip determines whether to use the multi-track encoding code stream according to the decoding status information,
if yes, recording the code stream as a multi-track coding code stream, releasing the current stream taking chip and the current decoding chip, switching to a multi-track mode,
otherwise, the block information is displayed according to the block parameter configuration and is sent to the decoding chip,
and 413, the decoding chip cuts the decoded decoding code stream data into m information blocks according to the display blocking information and outputs the m information blocks to the m display chips.
And the m display chips respectively output the information blocks through corresponding output ports.
Referring to fig. 5, fig. 5 is an interaction schematic diagram of a client, a main control chip in a decoding device, and a decoding chip in a multi-track encoded code stream roaming zooming display control process according to an embodiment of the present application.
The client responds to the operation of the user, sends the block parameters and the stream taking parameters to a main control chip in the decoding equipment,
in order to switch to the roaming zoom display, a display stopping instruction is sent to the display chip from the main control chip so as to stop the current display of the television wall; sending a command for stopping the code stream fetching to the stream fetching chip so as to stop the stream fetching chip from sending the code stream data to the decoding chip; sending a code stream data decoding stopping instruction to a decoding chip to stop the decoding chip from sending code stream data to a display chip; thereby stopping the current video wall display,
determining output port information of the display chip according to the block parameters and sending the output port information to the display chip;
the stream channel is correlated again according to the stream taking parameters, the track cutting information of the multi-track coding stream data is configured according to the track identification, and the configured track cutting information is sent to the stream taking chip and the n decoding chips;
the stream taking chip takes the stream according to the track cutting information and sends the coded stream data after cutting and taking the stream to the n decoding chips; the n decoding chips are configured with decoding chip code stream receiving information, receive corresponding track coding code stream data and decode the data, and report decoding state information and code stream information of the decoding code stream data to the main control chip after decoding is finished;
the main control module judges whether the decoding is successful according to the decoding state information, and if the decoding is unsuccessful, the main control module prompts that the decoding is unsuccessful. If the decoding is successful, summarizing code stream information of the decoded code stream data to obtain frame information of the same frame of all tracks; the frame information is sent to a decoding chip,
the decoding chip outputs the decoded code stream data to the display chip according to the frame information, namely, the same frame of decoded code stream data is output;
and the display chip outputs according to the output port information.
Referring to fig. 6a and 6b, fig. 6a and 6b are schematic diagrams illustrating interaction between a client and a main control chip and a decoding chip in a decoding device in a start-stop decoding display control process of a multi-track encoded code stream according to an embodiment of the present application. Fig. 6a is an interactive illustration of stopping decoding display control of a multi-track encoded code stream, and fig. 6b is an interactive illustration of starting decoding display control of a multi-track encoded code stream.
As shown in fig. 6a, the client responds to the operation of the user, issues a stop command to the main control chip in the decoding device,
the main control chip stops sending a display instruction to the display chip so as to stop the current display of the television wall; stopping sending the stream taking parameters to the stream taking chip; and stopping sending the coded code stream information to the decoding chips to the n decoding chip groups, wherein the decoding chips stop receiving the coded code stream data even if the main control chip sends the configuration parameters including the track cutting information to the decoding chips.
As shown in fig. 6b, the client responds to the operation of the user, sends the start command, the stream fetching parameter and the block parameter to the main control chip,
the main control chip analyzes the issued flow taking parameters, correlates the flow channels,
configuring the working mode to be a multi-track mode, namely: configuring track cutting information of multi-track coding code stream data according to the track identification, and sending the configured track cutting information to the stream taking chip and the n decoding chips;
the stream taking chip takes the stream according to the track cutting information and sends the coded stream data after cutting and taking the stream to the n decoding chips;
each decoding chip configures decoding chip code stream receiving information according to the configured track cutting information, the n decoding chips receive and decode the encoded code stream data of each track, and the decoding state information and the code stream information of the decoded code stream data are reported to the main control chip after decoding is completed;
the main control module judges whether decoding is successful or not according to the decoding state information, if the decoding is successful, the code stream information of the decoded code stream data is gathered to obtain frame information of the same frame of all tracks, the block information is displayed according to the block parameter configuration, and the displayed block information and the frame information are sent to a decoding chip;
the decoding chip cuts the decoded code stream data into m information blocks according to the display block information and the frame information and outputs the m information blocks to m display chips; otherwise, the decoding is prompted to be unsuccessful.
And the m display chips respectively output the information blocks through corresponding output ports.
The embodiment of the invention is based on the condition of the code stream data, configures the stream taking chip, the decoding chip resource and the working mode, can be compatible with the display control of the existing single-track code stream, can also support the display control of the multi-track code stream, and realizes the cross-screen display control and the zooming roaming display control of the multi-track code stream; the n decoding chips are used for decoding in the decoding process, so that the resources of the decoding equipment are efficiently integrated and utilized, and the problem of failure in decoding the data of the ultrahigh-resolution coding code stream due to insufficient decoding capacity of a single chip is solved. Meanwhile, the decoding time is reduced to 1/n of the original decoding time theoretically by n-track parallel decoding, and the working time is saved.
The invention provides a decoding device, which comprises a main control chip, at least one stream taking chip, a decoding chip set consisting of N decoding chips and a display chip set consisting of M display chips, wherein the main control chip is used for controlling the main control chip to operate; wherein the content of the first and second substances,
the main control chip configures at least one stream taking chip and n decoding chip resources according to the track number n of the coded code stream data; configuring display blocking information according to display requirements;
the stream taking chip is used for taking the stream of the coded code stream data according to the track identification in the coded code stream data,
the n decoding chips receive the coded code stream data after the stream fetching from the stream fetching chip according to the track identification respectively and decode the coded code stream data respectively; cutting the decoded code stream data into m information blocks for output according to the frame information of the same frame acquired by the main control chip from the decoding chip and the display block information from the main control chip,
wherein N is a natural number less than or equal to N, N is the total number of decoding chips, M is a natural number, and M is the total number of display chips.
The invention also provides a main control chip of the decoding equipment, wherein the main control chip is used for configuring at least one stream taking chip and n decoding chip resources according to the track number n of the coded code stream data; configuring display blocking information according to display requirements;
controlling a stream taking chip to take the stream according to the track identification in the coding code stream data;
controlling n decoding chips to respectively decode the coded code stream data after the stream is taken from the stream taking chip according to the track identification;
acquiring frame information of the same frame from the decoding chip;
respectively sending the frame information and the configured display block information to the n decoding chips, so that the decoding chips cut the decoded code stream data into m information blocks according to the frame information and the display block information and output the m information blocks;
wherein N is a natural number less than or equal to N, and N is the total number of the decoding chips.
An embodiment of the present invention further provides a computer-readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the following steps:
a main control chip of the decoding equipment configures at least one stream taking chip and n decoding chip resources according to the track number n of the coded code stream data;
configuring display blocking information according to display requirements;
controlling a stream taking chip to take the stream according to the track identification in the coding code stream data;
controlling n decoding chips to respectively decode the coded code stream data after the stream is taken from the stream taking chip according to the track identification;
acquiring frame information of the same frame from the decoding chip;
respectively sending the frame information and the display block information to the n decoding chips, so that the decoding chips cut the decoded code stream data into m information blocks according to the frame information and the display block information and output the m information blocks;
wherein N is a natural number less than or equal to N, and N is the total number of the decoding chips; and m is a natural number and is determined according to display requirements.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
For the device/network side device/storage medium embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for the relevant points, refer to the partial description of the method embodiment.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A display control method of image code stream data is characterized in that the method comprises,
a main control chip of the decoding equipment configures at least one stream taking chip and n decoding chip resources according to the track number n of the coded code stream data;
configuring display blocking information according to display requirements;
controlling a stream taking chip to take the stream according to the track identification in the coding code stream data;
controlling n decoding chips to respectively decode the coded code stream data after the stream is taken from the stream taking chip according to the track identification;
acquiring frame information of the same frame from the decoding chip;
respectively sending the frame information and the display block information to the n decoding chips, so that the decoding chips cut the decoded code stream data into m information blocks according to the frame information and the display block information and output the m information blocks;
wherein N is a natural number less than or equal to N, and N is the total number of the decoding chips; and m is a natural number and is determined according to display requirements.
2. The display control method of claim 1, wherein the controlling the stream fetching chip to fetch the stream according to the track identifier in the encoded code stream data comprises,
configuring track cutting information according to the track identification, sending the configured track cutting information to a stream taking chip, so that the stream taking chip takes the stream according to the track cutting information,
the control n decoding chips respectively decode the coded code stream data after the stream is taken from the stream taking chip according to the track identification,
the main control chip respectively sends the track cutting information to the n decoding chips, so that the n decoding chips respectively decode the coded code stream data after stream taking from the stream taking chip according to the track cutting information;
the method further comprises the step of enabling the user to select the target,
the main control chip judges whether the front-end source connected with the decoding device is recorded as a multi-track front-end source device, if so, the multi-track front-end source device judges that multi-track coding code stream data enters a multi-track mode, otherwise, the single-track front-end source device judges that single-track coding code stream data enters a single-track mode,
the multi-track coding code stream data comprises n tracks, wherein n is larger than 1; the single-track coding code stream data comprises 1 track.
3. The display control method according to claim 2, wherein the decoding device further includes M display chips, and the M information blocks are output to corresponding output ports through the M display chips, respectively;
the method further comprises the step of enabling the user to select the target,
receiving configuration parameters from a client, wherein the configuration parameters at least comprise a streaming parameter and a block parameter,
and analyzing the flow taking parameters, and associating the flow channels according to the flow taking parameters.
4. A display control method according to claim 2 or 3, characterized in that in the single-track mode:
the configuring of at least one stream taking chip and n decoding chip resources comprises configuring 1 stream taking chip and 1 decoding chip resource,
the method comprises configuring track cutting information according to track identification, respectively sending the configured track cutting information to a stream taking chip and n decoding chips,
respectively sending the single-track flow taking configuration parameters to a flow taking chip and a decoding chip, so that the flow taking chip takes the flow according to the single-track flow taking configuration parameters, and the decoding chip decodes the coded code flow data after the flow taking from the flow taking chip according to the single-track flow taking configuration parameters;
receiving decoding state information from a decoding chip, judging whether the code stream data is multi-track coding code stream data or single-track coding code stream data according to the decoding state information,
if the data is multi-track coding code stream data, recording that a front-end source currently connected with the decoding equipment is multi-track front-end source equipment, and releasing a current stream-taking chip and decoding chip resources; switching to a multi-track mode;
and if the single-track coding code stream data exists, displaying the blocking information according to the block parameter configuration, and sending the blocking information to the decoding chip, so that the decoding chip cuts the decoding code stream data into m information blocks according to the frame information and the displayed blocking information.
5. A display control method according to claim 2 or 3, characterized in that in multi-track mode:
said configuring at least one stream taking chip and n decoding chip resources further comprises,
searching 1 stream taking chip and n decoding chip resources,
judging whether the searched resources are met, if so, re-associating the flow channel and receiving the flow taking parameters, executing the step of configuring the track cutting information according to the track identification, and if not, releasing the associated flow channel and prompting that the resources are insufficient;
the method comprises configuring track cutting information according to track identification, respectively sending the configured track cutting information to a stream taking chip and n decoding chips, and further comprises,
receiving decoding state information from the decoding chips and code stream information of decoded stream data, judging whether decoding is successful or not according to the decoding state information, if decoding is successful, summarizing the code stream information of the decoded code stream data from each decoding chip to obtain frame information of the same frame of all tracks, and otherwise, prompting that decoding is unsuccessful.
6. The display control method according to claim 2 or 3, wherein in the multi-track mode, the method further comprises stopping the current display, determining output port information of the display chip according to the block parameter, and sending the output port information to the display chip, so that the display chip outputs the divided block information according to the output port information for the roaming zoom display.
7. The display control method according to claim 6, wherein stopping the current display comprises the main control chip sending a stop display instruction to the display chip, sending a stop code stream data fetching instruction to the fetching chip, and sending a stop decoding instruction to each decoding chip, respectively.
8. The decoding device is characterized by comprising a main control chip, at least one stream taking chip and a decoding chipset consisting of N decoding chips; wherein the content of the first and second substances,
the main control chip configures at least one stream taking chip and n decoding chip resources according to the track number n of the coded code stream data; configuring display blocking information according to display requirements;
the stream taking chip is used for taking the stream of the coded code stream data according to the track identification in the coded code stream data;
the n decoding chips respectively decode the coded code stream data after the stream taking from the stream taking chip according to the track identification; dividing the decoded code stream data into m information blocks for output according to the frame information of the same frame acquired by the main control chip from the decoding chip and the configuration display blocking information from the main control chip;
wherein N is a natural number less than or equal to N, N is the total number of decoding chips, and m is a natural number determined according to display requirements.
9. The decoding device according to claim 8, wherein the decoding device further comprises a display chip set composed of M display chips, and the M display chips respectively output the M information blocks from the decoding chip to the corresponding output ports.
10. The main control chip of the decoding device is characterized in that the main control chip,
configuring at least one stream taking chip and n decoding chip resources according to the track number n of the coded code stream data; configuring display blocking information according to display requirements;
controlling a stream taking chip to take the stream according to the track identification in the coding code stream data;
controlling n decoding chips to respectively decode the coded code stream data after the stream is taken from the stream taking chip according to the track identification;
acquiring frame information of the same frame from the decoding chip;
respectively sending the frame information and the display block information to the n decoding chips, so that the decoding chips cut the decoded code stream data into m information blocks according to the frame information and the display block information and output the m information blocks;
wherein N is a natural number less than or equal to N, N is the total number of decoding chips, and m is a natural number determined according to display requirements.
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