CN115086782B - Media data transmission method and device - Google Patents

Media data transmission method and device Download PDF

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Publication number
CN115086782B
CN115086782B CN202210503728.0A CN202210503728A CN115086782B CN 115086782 B CN115086782 B CN 115086782B CN 202210503728 A CN202210503728 A CN 202210503728A CN 115086782 B CN115086782 B CN 115086782B
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media data
server
rtmp
media
information
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CN115086782A (en
Inventor
林镇锋
路建成
田松林
赵铭
周海
刘兆平
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China Southern Power Grid Digital Platform Technology Guangdong Co ltd
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China Southern Power Grid Digital Platform Technology Guangdong Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/6437—Real-time Transport Protocol [RTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention discloses a media data transmission method and a device, the method is applied to a media data transmission system, the media data transmission system comprises an SIP server, media data acquisition equipment and an RTMP server, the method comprises: the SIP server generates a media transmission signaling and sends the media transmission signaling to the media data acquisition equipment; the media transmission signaling includes server information of the RTMP server; the media data acquisition equipment receives the media transmission signaling, establishes RTMP connection with the RTMP server according to the media transmission signaling, and sends acquired media data to the RTMP server in an RTMP protocol format; the RTMP server transmits the media data to a media data receiving end in the RTMP protocol format. Therefore, the implementation of the invention can transmit the media data in the unified RTMP protocol format, reduce the condition of low transmission efficiency caused by the transmission of the media data in a plurality of proprietary transmission protocol formats allowed by national standards, and improve the transmission efficiency of the media data.

Description

Media data transmission method and device
Technical Field
The present invention relates to the field of data transmission technologies, and in particular, to a method and an apparatus for transmitting media data.
Background
GB/T28181 technical requirements for information transmission, exchange and control of security video monitoring networking systems are a national standard for security video monitoring systems.
However, since the GB/T28181 standard allows multiple data formats to be transmitted through the RTP format, and even allows manufacturers to customize video streaming in a private format, the media stream receiver is difficult to be compatible, and therefore secondary encoding and decoding are often required; meanwhile, before media transmission is performed by using the RTP format, operations such as invitation (INVITE), SDP media negotiation and the like are required to be performed by using the SIP protocol, so that steps are complicated, and video transmission efficiency is low. Therefore, how to improve video transmission efficiency is very important.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a media data transmission method and device, which can transmit media data in a unified RTMP protocol format, reduce the occurrence of low transmission efficiency caused by the transmission of media data in a plurality of proprietary transmission protocol formats allowed by national standards and improve the transmission efficiency of media data.
In order to solve the above technical problems, a first aspect of the present invention discloses a media data transmission method, which is applied to a media data transmission system, wherein the media data transmission system includes a SIP server, a media data acquisition device, and an RTMP server, and the method includes:
The SIP server generates a media transmission signaling and sends the media transmission signaling to the media data acquisition equipment; the media transmission signaling includes server information of the RTMP server;
the media data acquisition equipment receives the media transmission signaling, establishes RTMP connection with the RTMP server according to the media transmission signaling, and sends acquired media data to the RTMP server in an RTMP protocol format;
and the RTMP server sends the media data to a media data receiving end in the RTMP protocol format.
As an optional implementation manner, in the first aspect of the present invention, before the SIP server generates the media transmission signaling, the method further includes:
the SIP server generates media transmission invitation information and sends the media transmission invitation information to the media data acquisition equipment;
the media data acquisition equipment receives the media transmission invitation information, judges whether the media data acquisition equipment meets the data transmission condition according to the state information of the media data acquisition equipment, generates a prompt meeting the data transmission condition when judging that the media data acquisition equipment meets the data transmission condition, and sends the prompt meeting the data transmission condition to the SIP server; the meeting of the data transmission conditions is used for prompting the media data acquisition equipment to meet the data transmission conditions;
And the SIP server receives the prompt meeting the data transmission condition and executes the operation of generating the media transmission signaling.
As an optional implementation manner, in the first aspect of the present invention, the status information of the media data collection device includes operation status information and/or network status information;
the media data acquisition device judges whether the media data acquisition device meets a data transmission condition according to the state information of the media data acquisition device, and the method comprises the following steps:
the media data acquisition equipment judges whether the media data acquisition equipment is in an idle state according to the working state information, and when the media data acquisition equipment is in the idle state, the media data acquisition equipment is determined to meet the data transmission condition; or,
the media data acquisition equipment judges whether the network state of the media data acquisition equipment reaches a preset network state according to the network state information, and when judging that the network state reaches the preset network state, the media data acquisition equipment is determined to meet the data transmission condition; the network status information includes network speed and/or network stability.
As an optional implementation manner, in the first aspect of the present invention, the server information of the RTMP server includes server location information of the RTMP server and server authentication information of the RTMP server;
wherein, before the media data collection device establishes an RTMP connection with the RTMP server according to the media transmission signaling, the method further comprises:
the media data acquisition equipment sends server verification information of the RTMP server to a first server corresponding to the server position information of the RTMP server;
and acquiring verification result information which is sent by the first server and aims at the server verification information, confirming that the first server is the RTMP server when the verification result information is verification success information, and executing the operation of establishing RTMP connection with the RTMP server according to the media transmission signaling.
As an optional implementation manner, in the first aspect of the present invention, before the media data collecting device sends the collected media data to the RTMP server in the RTMP protocol format, the method further includes:
the media data acquisition equipment acquires a plurality of sampling images at a preset shooting angle at a preset installation position, and encodes each sampling image in a preset encoding mode to obtain a plurality of sampling image encoding data;
And the media data acquisition equipment determines all the sampled image coding data as acquired media data, and executes the operation of transmitting the acquired media data to the RTM P server in the RTMP protocol format.
In a first aspect of the present invention, the media data acquisition device encodes each of the sampled images by a preset encoding mode to obtain a plurality of sampled image encoded data, including:
the media data acquisition equipment judges whether each sampling image to be coded in all the sampling images comprises target characteristics or not to obtain a judging result of the sampling image to be coded, and codes the sampling image to be coded in a preset coding mode to obtain a plurality of sampling image coding data; the target features comprise at least one of open flame features, smoke features, facial features of target monitoring personnel, appearance features of dangerous goods, and facial features of target maintenance personnel;
and, the method further comprises:
and when at least one judgment result in all the judgment results of the sampling images to be coded is that the target feature is included, generating target feature information, wherein the target feature information is used for prompting that the target feature is found in the media data when the video content corresponding to the media data is played.
As an optional implementation manner, in the first aspect of the present invention, before the media data collecting device sends the collected media data to the RTMP server in the RTMP protocol format, the method further includes:
the media data acquisition device acquires device identification information of the media data acquisition device and information of an acquisition object associated with the device identification information, and updates the device identification information and the information of the acquisition object associated with the device identification information to media data acquired by the media data acquisition device;
the acquisition object comprises at least one of monitored equipment, monitored personnel and monitored animals, and the information of the acquisition object comprises the name of the acquisition object and/or the monitoring content corresponding to the acquisition object; the information of the acquisition object is used for displaying the information of the acquisition object when the video content corresponding to the media data is played;
the media data collection device performs the operation of sending the collected media data to the RTMP server in the RTMP protocol format.
The second aspect of the present invention discloses a media data transmission system, the system comprises a SIP server, a media data acquisition device and an RTMP server, the SIP server comprises a first generation module and a first transmission module, the media data acquisition device comprises a first receiving module, a connection module and a second transmission module, the RTMP server comprises a third transmission module, wherein:
The first generation module is used for generating media transmission signaling;
the first sending module is configured to send the media transmission signaling to the media data acquisition device; the media transmission signaling includes server information of the RTMP server;
the first receiving module is configured to receive the media transmission signaling;
the connection module is used for establishing RTM P connection with the RTMP server according to the media transmission signaling;
the second sending module is used for sending the collected media data to the RTMP server in an RTMP protocol format;
and the third sending module is used for sending the media data to a media data receiving end in the RTMP protocol format.
As an optional implementation manner, in the second aspect of the present invention, the first generating module is further configured to generate media transmission invitation information before generating the media transmission signaling;
the first sending module is further configured to send the media transmission invitation information to the media data acquisition device;
and, the media data collection device further comprises a judgment processing module, wherein:
the first receiving module is further configured to receive the media transmission invitation information;
The judging and processing module is used for judging whether the media data acquisition equipment meets the data transmission condition according to the state information of the media data acquisition equipment, and generating a prompt meeting the data transmission condition when judging that the media data acquisition equipment meets the data transmission condition;
the second sending module is further configured to send the prompt meeting the data transmission condition to the SIP server; the meeting of the data transmission conditions is used for prompting the media data acquisition equipment to meet the data transmission conditions;
and, the SIP server further comprises a second receiving module, wherein:
the second receiving module is configured to receive the prompt meeting the data transmission condition, and trigger the first generating module to generate a media transmission signaling.
As an optional implementation manner, in the second aspect of the present invention, the status information of the media data collection device includes operation status information and/or network status information;
the judging and processing module judges whether the media data acquisition equipment meets the data transmission condition according to the state information of the media data acquisition equipment specifically comprises the following steps:
judging whether the media data acquisition equipment is in an idle state according to the working state information, and determining that the media data acquisition equipment meets the data transmission condition when judging that the media data acquisition equipment is in the idle state; or,
Judging whether the network state of the media data acquisition equipment reaches a preset network state according to the network state information, and determining that the media data acquisition equipment meets the data transmission condition when judging that the network state reaches the preset network state; the network status information includes network speed and/or network stability.
As an optional implementation manner, in the second aspect of the present invention, the server information of the RTMP server includes server location information of the RTMP server and server authentication information of the RTMP server;
the media data collection device further comprises an acquisition module, wherein:
the second sending module is further configured to send server verification information of the RTMP server to a first server corresponding to server location information of the RTMP server before the connection module establishes an RTMP connection with the R TMP server according to the media transmission signaling;
the acquisition module is configured to acquire verification result information sent by the first server and specific to the server verification information, and when the verification result information is verification success information, confirm that the first server is the RTMP server, and trigger the connection module to execute the operation of establishing an RTMP connection with the RTMP server according to the media transmission signaling.
As an optional implementation manner, in the second aspect of the present invention, the media data acquisition device further includes an acquisition module and an encoding module, where:
the acquisition module is used for acquiring a plurality of sampling images at a preset shooting angle at a pre-installation position before the second transmission module transmits the acquired media data to the RTMP server in the RTM P protocol format;
the encoding module is configured to encode each of the sampled images in a preset encoding manner to obtain a plurality of sampled image encoded data, determine all the sampled image encoded data as collected media data, and trigger the second sending module to execute the operation of sending the collected media data to the RTMP server in the RTMP protocol format.
In a second aspect of the present invention, the encoding module encodes each of the sampled images by a preset encoding mode, and the mode for obtaining the encoded data of the plurality of sampled images specifically includes:
the media data acquisition equipment judges whether each sampling image to be coded in all the sampling images comprises target characteristics or not to obtain a judging result of the sampling image to be coded, and codes the sampling image to be coded in a preset coding mode to obtain a plurality of sampling image coding data; the target features comprise at least one of open flame features, smoke features, facial features of target monitoring personnel, appearance features of dangerous goods, and facial features of target maintenance personnel;
And, the media data collection device further comprises a second generation module, wherein:
the second generating module is configured to generate presence target feature information when at least one of the judging results of all the to-be-encoded sampled images is that the target feature is included, where the presence target feature information is used to prompt that the target feature is found in the media data when the video content corresponding to the media data is played.
As an optional implementation manner, in the second aspect of the present invention, the media data collecting device further includes an updating module, where:
the acquisition module is further configured to acquire device identification information of the media data acquisition device and information of an acquisition object associated with the device identification information before the second transmission module transmits the acquired media data to the RTMP server in the RT MP protocol format; the acquisition object comprises at least one of monitored equipment, monitored personnel and monitored animals, and the information of the acquisition object comprises the name of the acquisition object and/or the monitoring content corresponding to the acquisition object; the information of the acquisition object is used for displaying the information of the acquisition object when the video content corresponding to the media data is played;
The updating module is configured to update the device identification information and the information of the collection object associated with the device identification information to the media data collected by the media data collection device, and trigger the second sending module to execute the operation of sending the collected media data to the RTMP server in the RTMP protocol format.
In a third aspect, the present invention discloses another media data transmission system, said apparatus comprising:
a memory storing executable program code;
a processor coupled to the memory;
the processor invokes the executable program code stored in the memory to perform the media data transmission method disclosed in the first aspect of the present invention.
A fourth aspect of the invention discloses a computer-readable storage medium storing computer instructions which, when called, are adapted to perform the media data transmission method disclosed in the first aspect of the invention.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, the SIP server generates a media transmission signaling and sends the media transmission signaling to the media data acquisition equipment; the media transmission signaling includes server information of the RTMP server; the media data acquisition equipment receives the media transmission signaling, establishes RTMP connection with the RTMP server according to the media transmission signaling, and sends acquired media data to the RTMP server in an RTMP protocol format; and the RTMP server sends the media data to a media data receiving end in the RTMP protocol format. Therefore, the implementation of the invention can transmit the media data in the unified RT MP protocol format, reduce the condition of low transmission efficiency caused by the transmission of the media data in a plurality of proprietary transmission protocol formats allowed by national standards, and improve the transmission efficiency of the media data.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a media data transmission method according to an embodiment of the present invention;
FIG. 2 is a flow chart of another method for transmitting media data according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a media data transmission system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another media data transmission system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a SIP server according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a media data collection device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an RTMP server according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, apparatus, article, or article that comprises a list of steps or elements is not limited to only those listed but may optionally include other steps or elements not listed or inherent to such process, method, article, or article.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The invention discloses a media data transmission method and a device, which can transmit media data in a unified RTMP (real time protocol) format, reduce the condition of low transmission efficiency caused by the transmission of media data in a plurality of proprietary transmission protocol formats allowed by national standards and can improve the transmission efficiency of media data. The following will describe in detail.
Example 1
Referring to fig. 1, fig. 1 is a flowchart of a media data transmission method according to an embodiment of the invention. The media data transmission method described in fig. 1 may be applied to a media data transmission system, where the media data transmission system includes a SIP server, a media data acquisition device, and an RTMP server. As shown in fig. 1, the media data transmission method may include the following operations:
101. the SIP server generates a media transmission signaling and sends the media transmission signaling to the media data acquisition device.
In the embodiment of the invention, the media transmission signaling comprises server information of the RTMP server. Optionally, the media data collection device comprises a video capture device and/or an audio collection device.
102. The media data acquisition equipment receives the media transmission signaling, establishes RTMP connection with the RTMP server according to the media transmission signaling, and sends acquired media data to the RTMP server in an RTMP protocol format.
103. The RTMP server transmits the media data to the media data receiving end in RTMP protocol format.
In the embodiment of the present invention, the RTMP protocol format is a transmission protocol format recorded in an RTMP specification standard file rtmp_specific_1.0.
Therefore, the embodiment of the invention can transmit the media data in the unified RTMP protocol format, reduce the condition of low transmission efficiency caused by the transmission of the media data in a plurality of proprietary transmission protocol formats allowed by national standards, and improve the transmission efficiency of the media data.
In an alternative embodiment, before the SIP server generates the media transmission signaling, the method further comprises:
the SIP server generates media transmission invitation information and sends the media transmission invitation information to the media data acquisition equipment;
the media data acquisition equipment receives media transmission invitation information and judges whether the media data acquisition equipment meets data transmission conditions according to state information of the media data acquisition equipment;
when judging that the media data acquisition equipment meets the data transmission condition, the media data acquisition equipment generates a prompt meeting the data transmission condition and sends the prompt meeting the data transmission condition to the SIP server;
the SIP server receives the prompt that the data transmission condition is satisfied, and performs an operation of generating media transmission signaling.
In this alternative embodiment, satisfying the data transmission condition is used to prompt the media data collection device to satisfy the data transmission condition.
It can be seen that, in this alternative embodiment, the SIP server generates the media transmission signaling only when the media collection device satisfies the data transmission condition, so that the effectiveness of the SIP server in generating the media transmission signaling can be improved.
In another alternative embodiment, after the media data collection device sends the prompt to the SIP server to satisfy the data transmission condition, and before the SIP server generates the media transmission signaling, the method further comprises:
when receiving the prompt meeting the data transmission condition, the SIP server reads the prompt meeting the data transmission condition to judge whether the prompt number in the prompt meeting the data transmission condition is the same as the preset number;
when judging that the prompt number is the same as the preset number, the SIP server executes the operation of generating the media transmission signaling.
Optionally, the prompt generated by the media data collection device and meeting the data transmission condition may be a prompt message, and further, the prompt message may be "SIP XXX OK", where XXX is a prompt number in the data transmission condition prompt. For example, when the preset number is 200, if the data transmission condition prompt is "SIP 200 ok" is satisfied, the prompt number in the data transmission condition prompt is 200 and is the same as the preset number.
Therefore, in this optional embodiment, the SIP server generates the media transmission signaling when the prompt number is determined to be the same as the preset number, so that the accuracy of generating the media transmission signaling by the SIP server can be improved.
In yet another alternative embodiment, the media data collection device determines, according to status information of the media data collection device, whether the media data collection device satisfies a data transmission condition, including:
the media data acquisition equipment judges whether the media data acquisition equipment is in an idle state according to the working state information, and when the media data acquisition equipment is judged to be in the idle state, the media data acquisition equipment is determined to meet the data transmission condition; or,
the media data acquisition device judges whether the network state of the media data acquisition device reaches a preset network state according to the network state information, and when the network state reaches the preset network state, the media data acquisition device is determined to meet the data transmission condition.
In this alternative embodiment, the status information of the media data collection device comprises operational status information and/or network status information, the network status information comprising network speed and/or network stability.
It can be seen that, in this optional embodiment, when the acquisition device is in an idle state or the network state reaches a preset network state, it is determined that the media data acquisition device meets the data transmission condition, so that accuracy and efficiency for determining whether the media data acquisition device meets the data transmission condition can be improved.
In yet another alternative embodiment, before the media data collection device establishes an RTMP connection with the RTM P server according to the media transmission signaling, the method further comprises:
the media data acquisition equipment sends server verification information of the RTMP server to a first server corresponding to the server position information of the RTMP server;
and acquiring verification result information which is sent by the first server and aims at the server verification information, confirming that the first server is an RTMP server when the verification result information is verification success information, and executing the operation of establishing RTMP connection with the RTMP server according to the media transmission signaling.
In this alternative embodiment, the server information of the RTMP server includes server location information of the RTMP server and server authentication information of the RTMP server.
In this alternative embodiment, the server authentication information includes at least one of user name and temporary key authentication information, JW T format authentication information (RFC 7519 standard), RSA format authentication information (RFC 3447 standard), and national security SM2 format authentication information (national password administration GM/T0010-2012, GM/T0009-2012 standard).
Therefore, the media data acquisition device in the optional embodiment verifies whether the server is an RTMP server through the server verification information, and establishes RTMP connection with the server when verification is successful, so that accuracy and effectiveness of establishing RTMP connection between the acquisition device and the RTMP server are improved.
In yet another alternative embodiment, after obtaining the authentication result information for the server authentication information sent by the first server, the method further includes:
when the verification result information is verification failure information, the SIP server generates media transmission invitation information again and sends the media transmission invitation information to the media data acquisition equipment.
Therefore, in this optional embodiment, when the server fails to verify, the SIP server reinitiates the invitation to re-verify, and the verifying passing party can continue the push flow, so that the security in the data transmission process can be improved.
Example two
Referring to fig. 2, fig. 2 is a flowchart illustrating another media data transmission method according to an embodiment of the invention. The media data transmission method described in fig. 2 may be applied to a media data transmission system, where the media data transmission system includes a SIP server, a media data acquisition device, and an RTMP server. As shown in fig. 1, the media data transmission method may include the following operations:
201. the SIP server generates a media transmission signaling and sends the media transmission signaling to the media data acquisition device.
202. And the media data acquisition equipment establishes RTMP connection with the RTMP server according to the media transmission signaling.
203. The media data acquisition device acquires a plurality of sampling images at a preset shooting angle at a preset installation position, and encodes each sampling image in a preset encoding mode to obtain a plurality of sampling image encoding data.
In the embodiment of the invention, the storage space required by each sampling image is larger than the storage space required by the sampling image coding data corresponding to the sampling image.
204. The media data acquisition device determines all the sampled image coding data as acquired media data, and sends the acquired media data to an RTMP server in an RTMP protocol format.
205. The RTMP server transmits the media data to the media data receiving end in RTMP protocol format.
In the embodiment of the present invention, for other descriptions of step 201, step 202, step 204 and step 205, please refer to the detailed descriptions of step 101-step 103 in the first embodiment, and the detailed descriptions of the embodiments of the present invention are omitted.
Therefore, the embodiment of the invention can transmit the media data in the unified RTMP protocol format, reduce the condition of low transmission efficiency caused by the transmission of the media data in a plurality of proprietary transmission protocol formats allowed by national standards, and improve the transmission efficiency of the media data; the acquisition equipment encodes after shooting the image, and sends the encoded image data to the RTMP server, and because the required storage space of the encoded data is reduced, the storage requirement of the acquisition equipment is reduced, the speed requirement of data transmission is also reduced, and thus the efficiency of data transmission can be improved.
In an alternative embodiment, the media data acquisition device encodes each sampled image by a preset encoding mode to obtain a plurality of sampled image encoded data, including:
the media data acquisition equipment judges whether each sampling image to be coded in all sampling images comprises target characteristics or not to obtain a judging result of the sampling image to be coded, and codes the sampling image to be coded in a preset coding mode to obtain a plurality of sampling image coding data.
In this alternative embodiment, the target features include at least one of an open flame feature, a smoke feature, a facial feature of a target surveillance person, a profile feature of a hazardous article, a facial feature of a target maintenance person.
Therefore, the optional embodiment encodes the acquired image after judging the target feature, which is helpful for determining whether the target feature exists in the sampled image according to the judging result, and improving the efficiency and accuracy of monitoring the target feature.
In another alternative embodiment, the method further comprises:
when at least one judgment result in all the judgment results of the sampling images to be coded is the target feature, generating target feature information, wherein the target feature information is used for prompting that the target feature is found in the media data when the video content corresponding to the media data is played.
It can be seen that this alternative embodiment helps to improve the efficiency and accuracy of monitoring target features by generating a prompt for finding target features, which can be displayed when playing media video.
In yet another alternative embodiment, before the media data collection device sends the collected media data to the RTMP server in RT MP protocol format, the method further comprises:
the method comprises the steps that media data acquisition equipment acquires equipment identification information of the media data acquisition equipment and information of an acquisition object associated with the equipment identification information, and updates the equipment identification information and the information of the acquisition object associated with the equipment identification information to media data acquired by the media data acquisition equipment;
the media data collection device performs an operation of transmitting the collected media data to the RTM P server in an RTMP protocol format.
In this optional embodiment, the collected object includes at least one of a monitored device, a monitored person and a monitored animal, and the information of the collected object includes a name of the collected object and/or a monitoring content corresponding to the collected object; the information of the acquisition object is used for displaying the information of the acquisition object when the video content corresponding to the media data is played.
Therefore, the optional embodiment can display the information when playing the media video by acquiring the identification of the acquisition device and the information of the acquisition object, thereby being beneficial to improving the monitoring efficiency and accuracy.
Example III
Referring to fig. 3, fig. 3 is a schematic structural diagram of a media data transmission system according to an embodiment of the invention. The media data transmission system described in fig. 3 may be applied to a media data transmission system, where the media data transmission system includes a SIP server, a media data acquisition device, and an RTMP server. As shown in fig. 3, the SIP server includes a first generating module 301 and a first transmitting module 302, the media data acquisition device includes a first receiving module 303, a connecting module 304 and a second transmitting module 305, and the rtmp server includes a third transmitting module 306, where:
a first generating module 301, configured to generate media transmission signaling;
a first sending module 302, configured to send a media transmission signaling to a media data acquisition device; the media transmission signaling comprises server information of the RTMP server;
a first receiving module 303, configured to receive media transmission signaling;
a connection module 304, configured to establish an RTMP connection with an RTMP server according to a media transmission signaling;
A second sending module 305, configured to send the collected media data to an RT MP server in an RTMP protocol format;
the third sending module 306 is configured to send the media data to the media data receiving end in an RTMP protocol format.
Therefore, the embodiment of the invention can transmit the media data in the unified RTMP protocol format, reduce the condition of low transmission efficiency caused by the transmission of the media data in a plurality of proprietary transmission protocol formats allowed by national standards, and improve the transmission efficiency of the media data.
In an alternative embodiment, as shown in fig. 4, the first generating module 301 is further configured to generate media transmission invitation information before generating the media transmission signaling;
the first sending module 302 is further configured to send media transmission invitation information to a media data acquisition device;
and, the media data collection device further comprises a judgment processing module 307, wherein:
the first receiving module 303 is further configured to receive media transmission invitation information;
a judging and processing module 307, configured to judge whether the media data acquisition device meets the data transmission condition according to the status information of the media data acquisition device, and generate a prompt meeting the data transmission condition when it is judged that the media data acquisition device meets the data transmission condition;
The second sending module 305 is further configured to send a prompt that the data transmission condition is met to the SIP server; the meeting of the data transmission conditions is used for prompting the media data acquisition equipment to meet the data transmission conditions;
and, the SIP server further comprises a second receiving module 308, wherein:
the second receiving module 308 is configured to receive the prompt that the data transmission condition is met, and trigger the first generating module 301 to generate a media transmission signaling.
It can be seen that, in this alternative embodiment, the SIP server generates the media transmission signaling only when the media collection device satisfies the data transmission condition, so that the effectiveness of the SIP server in generating the media transmission signaling can be improved.
In yet another alternative embodiment, as shown in fig. 4, the status information of the media data collection device includes operational status information and/or network status information;
the judging and processing module 307 judges whether the media data acquisition device meets the data transmission condition according to the status information of the media data acquisition device specifically includes:
judging whether the media data acquisition equipment is in an idle state according to the working state information, and determining that the media data acquisition equipment meets the data transmission condition when the media data acquisition equipment is in the idle state; or,
Judging whether the network state of the media data acquisition equipment reaches a preset network state according to the network state information, and determining that the media data acquisition equipment meets the data transmission condition when judging that the network state reaches the preset network state; the network status information includes network speed and/or network stability.
It can be seen that, in this optional embodiment, when the acquisition device is in an idle state or the network state reaches a preset network state, it is determined that the media data acquisition device meets the data transmission condition, so that accuracy and efficiency for determining whether the media data acquisition device meets the data transmission condition can be improved.
In yet another alternative embodiment, as shown in fig. 4, the server information of the RTMP server includes server location information of the RTMP server and server authentication information of the RTMP server;
the media data collection device further comprises an acquisition module 309, wherein:
the second sending module 305 is further configured to send server verification information of the RTMP server to a first server corresponding to server location information of the RTMP server before the connection module 304 establishes an RTMP connection with the RTMP server according to the media transmission signaling;
the obtaining module 309 is configured to obtain verification result information sent by the first server and specific to the server verification information, and when the verification result information is verification success information, confirm that the first server is an RTMP server, and trigger an operation of establishing an RTMP connection with the RTMP server according to the media transmission signaling, which is performed by the connection module 304.
In this alternative embodiment, the server authentication information includes at least one of user name and temporary key authentication information, JW T format authentication information (RFC 7519 standard), RSA format authentication information (RFC 3447 standard), and national security SM2 format authentication information (national password administration GM/T0010-2012, GM/T0009-2012 standard).
Therefore, the media data acquisition device in the optional embodiment verifies whether the server is an RTMP server through the server verification information, and establishes RTMP connection with the server when verification is successful, so that accuracy and effectiveness of establishing RTMP connection between the acquisition device and the RTMP server are improved.
In yet another alternative embodiment, as shown in fig. 4, the media data collection device further comprises a collection module 310 and an encoding module 311, wherein:
the acquisition module 310 is configured to acquire a plurality of sampling images at a preset shooting angle at a pre-installation position before the second transmission module 305 transmits the acquired media data to the RTMP server in an RTMP protocol format;
the encoding module 311 is configured to encode each sampled image in a preset encoding manner to obtain a plurality of sampled image encoded data, determine all sampled image encoded data as acquired media data, and trigger the operation performed by the second sending module 305 to send the acquired media data to the RTMP server in an RTMP protocol format.
Therefore, in this optional embodiment, the acquisition device encodes after capturing the image, and sends the encoded image data to the RTMP server, and because the storage space required for the encoded data is reduced, the storage requirement of the acquisition device is reduced, and the speed requirement of data transmission is also reduced, so that the efficiency of data transmission can be improved.
In yet another alternative embodiment, as shown in fig. 4, the encoding module 311 encodes each sample image by a preset encoding manner, and the manner of obtaining the encoded data of the plurality of sample images specifically includes:
the media data acquisition equipment judges whether each sampling image to be coded in all sampling images comprises target characteristics or not to obtain a judging result of the sampling image to be coded, and codes the sampling image to be coded in a preset coding mode to obtain a plurality of sampling image coding data; the target features include at least one of open flame features, smoke features, facial features of target surveillance personnel, appearance features of dangerous goods, facial features of target maintenance personnel;
and, the media data collection device further comprises a second generation module 312, wherein:
the second generating module 312 is configured to generate presence target feature information when at least one of the judging results of all the sampled images to be encoded is that the target feature is included, where the presence target feature information is used to prompt that the target feature is found in the media data when the video content corresponding to the media data is played.
Therefore, the optional embodiment encodes the acquired image after judging the target characteristic, so that whether the target characteristic exists in the sampled image or not can be determined according to the judging result, and the efficiency and accuracy of monitoring the target characteristic can be improved; by generating the prompt for finding the target characteristics, the prompt can be displayed when the media video is played, and the efficiency and the accuracy for monitoring the target characteristics are improved.
In yet another alternative embodiment, as shown in fig. 4, the media data collection device further comprises an update module 313, wherein:
the obtaining module 309 is further configured to obtain device identification information of the media data collection device and information of a collection object associated with the device identification information before the second sending module 305 sends the collected media data to the RTMP server in an RTMP protocol format; the acquisition object comprises at least one of monitored equipment, monitored personnel and monitored animals, and the information of the acquisition object comprises the name of the acquisition object and/or the monitoring content corresponding to the acquisition object; the information of the acquisition object is used for displaying the information of the acquisition object when the video content corresponding to the media data is played;
The updating module 313 is configured to update the device identification information and the information of the collection object associated with the device identification information to the media data collected by the media data collection device, and trigger the operation performed by the second sending module 305 to send the collected media data to the RTMP server in the RTMP protocol format.
Therefore, the optional embodiment can display the information when playing the media video by acquiring the identification of the acquisition device and the information of the acquisition object, thereby being beneficial to improving the monitoring efficiency and accuracy.
Example IV
Referring to fig. 5, fig. 5 is a schematic structural diagram of a SIP server according to an embodiment of the present invention. As shown in fig. 5, the media data transmission system may include:
a memory 401 storing executable program codes;
a processor 402 coupled with the memory 401;
the processor 402 invokes executable program codes stored in the memory 401 to execute steps executed by the SIP server in the media data transmission method described in the first embodiment or the second embodiment of the present invention.
Example five
Referring to fig. 6, fig. 6 is a schematic structural diagram of a media data collection device according to an embodiment of the present invention. As shown in fig. 6, the media data transmission system may include:
A memory 501 in which executable program codes are stored;
a processor 502 coupled to the memory 501;
the processor 502 invokes executable program codes stored in the memory 501 to perform the steps performed by the media data collection device in the media data transmission method described in the first or second embodiment of the present invention.
Example six
Referring to fig. 7, fig. 7 is a schematic structural diagram of an RTMP server according to an embodiment of the present invention. As shown in fig. 7, the media data transmission system may include:
a memory 601 in which executable program codes are stored;
a processor 602 coupled to the memory 601;
the processor 602 invokes executable program codes stored in the memory 601 to perform the steps performed by the RTMP server in the media data transmission method described in the first or second embodiment of the present invention.
Example seven
The embodiment of the invention discloses a computer storage medium which stores computer instructions for executing steps executed by a SIP server, a media data acquisition device or an RTMP server in the media data transmission method described in the first embodiment or the second embodiment of the invention when the computer instructions are called.
Example eight
An embodiment of the present invention discloses a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to perform steps performed by a SIP server, a media data acquisition device, or an RTMP server in the media data transmission method described in the first or second embodiment.
The apparatus embodiments described above are merely illustrative, wherein the modules illustrated as separate components may or may not be physically separate, and the components shown as modules may or may not be physical, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above detailed description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course by means of hardware. Based on such understanding, the foregoing technical solutions may be embodied essentially or in part in the form of a software product that may be stored in a computer-readable storage medium including Read-Only Memory (ROM), random-access Memory (R andom Access Memory, RAM), programmable Read-Only Memory (Programmable Read-Only Memory, PROM), erasable programmable Read-Only Memory (Erasable Programmable Rea d Only Memory, EPROM), one-time programmable Read-Only Memory (OTPROM), electrically erasable programmable Read-Only Memory (EEPROM), compact disc Read-Only Memory (Compact Disc Read-Only Memory, CD-ROM) or other optical disc Memory, magnetic disc Memory, tape Memory, or any other medium that can be used for computer-readable carrying or storing data.
Finally, it should be noted that: the disclosed method and apparatus for transmitting media data are only preferred embodiments of the present invention, and are merely used for illustrating the technical scheme of the present invention, but not limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme recorded in the various embodiments can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. A media data transmission method, wherein the method is applied to a media data transmission system, the media data transmission system comprises a SIP server, a media data acquisition device and an RTMP server, the method comprises:
the SIP server generates a media transmission signaling and sends the media transmission signaling to the media data acquisition equipment; the media transmission signaling includes server information of the RTMP server;
the media data acquisition equipment receives the media transmission signaling, establishes RTMP connection with the RTMP server according to the media transmission signaling, and sends acquired media data to the RTMP server in an RTMP protocol format;
The RTMP server sends the media data to a media data receiving end in the RTMP protocol format;
before the media data collection device sends the collected media data to the RTMP server in the RTMP protocol format, the method further includes:
the media data acquisition equipment acquires a plurality of sampling images at a preset shooting angle at a pre-installation position, judges whether each sampling image to be coded in all the sampling images comprises target features or not, obtains a judging result of the sampling image to be coded, and codes the sampling image to be coded in a preset coding mode to obtain coding data of the sampling images; the target features include at least one of an open flame feature, a smoke feature, a facial feature of a target surveillance person, a profile feature of a hazardous article, a facial feature of a target maintenance person.
2. The media data transmission method according to claim 1, wherein before the SIP server generates media transmission signaling, the method further comprises:
the SIP server generates media transmission invitation information and sends the media transmission invitation information to the media data acquisition equipment;
The media data acquisition equipment receives the media transmission invitation information, judges whether the media data acquisition equipment meets the data transmission condition according to the state information of the media data acquisition equipment, generates a prompt meeting the data transmission condition when judging that the media data acquisition equipment meets the data transmission condition, and sends the prompt meeting the data transmission condition to the SIP server; the prompt meeting the data transmission condition is used for prompting the media data acquisition equipment to meet the data transmission condition;
and the SIP server receives the prompt meeting the data transmission condition.
3. The media data transmission method according to claim 2, wherein the status information of the media data collection device comprises operational status information and/or network status information;
the media data acquisition device judges whether the media data acquisition device meets a data transmission condition according to the state information of the media data acquisition device, and the method comprises the following steps:
the media data acquisition equipment judges whether the media data acquisition equipment is in an idle state according to the working state information, and when the media data acquisition equipment is in the idle state, the media data acquisition equipment is determined to meet the data transmission condition; or,
The media data acquisition equipment judges whether the network state of the media data acquisition equipment reaches a preset network state according to the network state information, and when judging that the network state reaches the preset network state, the media data acquisition equipment is determined to meet the data transmission condition; the network status information includes network speed and/or network stability.
4. A media data transmission method according to claim 3, wherein the server information of the RTMP server includes server location information of the RTMP server and server authentication information of the RTMP server;
wherein, before the media data collection device establishes an RTMP connection with the RTMP server according to the media transmission signaling, the method further comprises:
the media data acquisition equipment sends server verification information of the RTMP server to a first server corresponding to the server position information of the RTMP server;
and acquiring verification result information which is sent by the first server and aims at the server verification information, and confirming that the first server is the RTMP server when the verification result information is verification success information.
5. The method according to any one of claims 1 to 4, wherein after the media data acquisition device acquires a plurality of sample images at a preset shooting angle at a preset installation position, each of the sample images is encoded by a preset encoding method, and a plurality of sample image encoded data are obtained, the method further comprises:
and the media data acquisition equipment determines all the sampled image coding data as acquired media data, and executes the operation of transmitting the acquired media data to the RTMP server in the RTMP protocol format.
6. The method of media data transmission according to claim 5, further comprising:
and when at least one judgment result in all the judgment results of the sampling images to be coded is that the target feature is included, generating target feature information, wherein the target feature information is used for prompting that the target feature is found in the media data when the video content corresponding to the media data is played.
7. The media data transmission method of claim 5, wherein before the media data collection device sends the collected media data to the RTMP server in the RTMP protocol format, the method further comprises:
The media data acquisition device acquires device identification information of the media data acquisition device and information of an acquisition object associated with the device identification information, and updates the device identification information and the information of the acquisition object associated with the device identification information to media data acquired by the media data acquisition device;
the acquisition object comprises at least one of monitored equipment, monitored personnel and monitored animals, and the information of the acquisition object comprises the name of the acquisition object and/or the monitoring content corresponding to the acquisition object; the information of the acquisition object is used for displaying the information of the acquisition object when the video content corresponding to the media data is played.
8. The utility model provides a media data transmission system, its characterized in that, the system includes SIP server, media data acquisition equipment and RTMP server, the SIP server includes first generation module and first sending module, media data acquisition equipment includes first receiving module, connection module and second sending module, RTMP server includes the third sending module, wherein:
the first generation module is used for generating media transmission signaling;
The first sending module is configured to send the media transmission signaling to the media data acquisition device; the media transmission signaling includes server information of the RTMP server;
the first receiving module is configured to receive the media transmission signaling;
the connection module is used for establishing RTMP connection with the RTMP server according to the media transmission signaling;
the second sending module is used for sending the collected media data to the RTMP server in an RTMP protocol format;
the third sending module is configured to send the media data to a media data receiving end in the RTMP protocol format;
the media data collection device further comprises:
the acquisition module is used for acquiring a plurality of sampling images at a preset shooting angle at a pre-installation position before the second transmission module transmits the acquired media data to the RTMP server in the RTMP protocol format;
the coding module is used for judging whether each sampling image to be coded in all the sampling images comprises target features or not to obtain a judging result of the sampling image to be coded, and coding the sampling image to be coded in a preset coding mode to obtain a plurality of sampling image coding data; the target features include at least one of an open flame feature, a smoke feature, a facial feature of a target surveillance person, a profile feature of a hazardous article, a facial feature of a target maintenance person.
9. A media data transmission system, the system comprising:
a memory storing executable program code;
a processor coupled to the memory;
the processor invokes the executable program code stored in the memory to perform the media data transmission method of any one of claims 1-7.
10. A computer storage medium storing computer instructions which, when invoked, are adapted to perform the media data transmission method according to any one of claims 1-7.
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