CN116886676A - Streaming media data processing method, device and readable storage medium - Google Patents
Streaming media data processing method, device and readable storage medium Download PDFInfo
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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- H—ELECTRICITY
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- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
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Abstract
The embodiment of the application discloses a streaming media data processing method, streaming media data processing equipment and a computer readable storage medium, which are used for processing streaming media data under the condition of improving the processing stability of the streaming media data. The method of the embodiment of the application comprises the following steps: obtaining a request corresponding to a target protocol sent by a request routing component; requesting the player to request to obtain the target streaming media from the source streaming media server corresponding to the target protocol, if the target streaming media meets the preset processing conditions of the target processing mode, creating a processing connection component corresponding to the target streaming media, calling the processing connection component to obtain the target streaming media from the source streaming media server, calling the processing connection component to process the target streaming media in the target processing mode, and calling the processing connection component to send the processed target streaming media to the player.
Description
Technical Field
The embodiment of the application relates to the field of streaming media data processing, in particular to a streaming media data processing method, streaming media data processing equipment and a computer readable storage medium.
Background
Because the expandability of a player (such as MediaPlayer) is poor, the intermediate processing requirement of the server cannot be directly realized, and a proxy server (such as an HTTP proxy server) is often needed to assist in processing and forwarding data at the proxy server. Thus, there is a need for a method of processing streaming media data.
The existing method is that a proxy server corresponding to a target protocol (such as an HTTP protocol) can obtain a request corresponding to the target protocol sent by a request routing component, the request is initiated by a player, the request is used for the player to request to obtain target streaming media from a source streaming media server corresponding to the target protocol, if the target streaming media is determined to meet the preset processing condition of a target processing mode, a user mode and a kernel mode are mutually switched, data are transmitted through the kernel mode, the request data are sent to the proxy server corresponding to the target protocol through an operating system kernel memory and an operating system network protocol layer, a data source interface of the target streaming media is created by the proxy server corresponding to the target protocol, the data source interface is called to obtain the target streaming media from the source streaming media server corresponding to the target protocol, then the target streaming media is processed to obtain processed target streaming media, then the user mode and the kernel mode are mutually switched again, and finally the processed target streaming media are sent to the player through the operating system kernel memory and the operating system network protocol layer.
However, if processing is required for the obtained target streaming media, frequent switching between the kernel mode and the user mode is involved in obtaining the processed target streaming media through the proxy server, and the switching consumes very much CPU performance, so that the stability of streaming media data processing is low.
Disclosure of Invention
The embodiment of the application provides a streaming media data processing method, streaming media data processing equipment and a computer readable storage medium, which can process streaming media data under the condition of improving the processing stability of the streaming media data.
In a first aspect, an embodiment of the present application provides a method for processing streaming media data, including:
obtaining a request corresponding to a target protocol sent by the request routing component; the request is used for the player to request to acquire target streaming media from a source streaming media server corresponding to the target protocol;
if the target streaming media meets the preset processing conditions of the target processing mode, creating a processing connection assembly corresponding to the target streaming media;
invoking the process connection component to obtain the target streaming media from the source streaming media server;
calling the processing connection component to process the target streaming media in the target processing mode;
And calling the processing connection component to send the processed target streaming media to the player.
Optionally, before determining that the target streaming media meets the preset processing condition of the target processing mode, the method further includes:
obtaining an identification of a target parameter in the request;
judging whether the mark is a preset processing mark corresponding to the target processing mode;
and if the target streaming media meets the preset processing conditions of the target processing mode, the method comprises the following steps:
and if the mark is the preset processing mark corresponding to the target processing mode, determining that the target streaming media meets the preset processing condition of the target processing mode.
Optionally, before determining that the target streaming media meets the preset processing condition of the target processing mode, the method further includes:
obtaining a white list meeting preset processing conditions corresponding to a target processing mode; the white list is a target parameter list of streaming media which is logged in to meet preset processing conditions corresponding to a target processing mode;
obtaining an identification of a target parameter in the request;
judging whether the identification of the target parameter is logged in the white list;
and if the target streaming media meets the preset processing conditions of the target processing mode, the method comprises the following steps:
And if the identification of the target parameter is registered in the white list, determining that the target streaming media meets the preset processing condition of the target processing mode.
Optionally, the method further comprises:
if the target streaming media is determined to not meet the preset processing conditions of the target processing mode, creating a non-processing connection component corresponding to the target streaming media;
and calling the non-processing connection component to obtain the target streaming media from the source streaming media server and sending the target streaming media to the player.
Optionally, the invoking the process connection component to obtain the target streaming media from the source streaming media server includes:
calling the processing connection component to create a data source interface of the target streaming media;
and calling the processing connection component to obtain the target streaming media from the source streaming media server through a data source interface of the target streaming media.
Optionally, before the processing connection component is invoked to process the target streaming media in the target processing mode, the method further includes:
creating data processing components corresponding to the various processing modes respectively;
the calling the processing connection component to process the target streaming media in the target processing mode comprises the following steps:
And calling the processing connection component to process the target streaming media in the target processing mode through the data processing component corresponding to the target processing mode.
Optionally, before the obtaining the request corresponding to the target protocol sent by the request routing component, the method further includes:
sending a registration request of a target data proxy service component corresponding to the target protocol to the request router; the registration request is used for requesting the request router to create a mapping relation between the target protocol and the target data proxy service component corresponding to the target protocol so as to register the target data proxy service component corresponding to the target protocol.
In a second aspect, an embodiment of the present application provides another method for processing streaming media data, including:
obtaining a request corresponding to a target protocol sent by the player; the request is used for the player to request to acquire target streaming media from a source streaming media server corresponding to the target protocol;
determining a target data proxy service component corresponding to the target protocol;
sending the request to a target data proxy service component corresponding to the target protocol; if the target streaming media meets the preset processing conditions of the target processing mode, the target streaming media is streaming media processed by the target data proxy service component in the target processing mode; and the target data proxy service component is used for creating a processing connection component corresponding to the target streaming media and calling the processing connection component to process the target streaming media in the target processing mode.
Optionally, before determining the target data proxy service component corresponding to the target protocol, the method further includes:
aiming at the data proxy service component corresponding to each protocol, obtaining a registration request sent by the data proxy service component corresponding to the protocol;
responding to a registration request of a data proxy service component corresponding to each protocol, and creating a mapping relation between the data proxy service components corresponding to each protocol so as to register the data proxy service components corresponding to each protocol;
the determining the target data proxy service component corresponding to the target protocol comprises the following steps:
and determining a target data proxy service component corresponding to the target protocol according to the mapping relation.
In a third aspect, an embodiment of the present application provides a streaming media data processing device, including:
the obtaining unit is used for obtaining a request corresponding to the target protocol sent by the request routing component; the request is used for the player to request to acquire target streaming media from a source streaming media server corresponding to the target protocol;
the creating unit is used for creating a processing connection assembly corresponding to the target streaming media if the target streaming media is determined to meet the preset processing conditions of the target processing mode;
The obtaining unit is further configured to invoke the processing connection component to obtain the target streaming media from the source streaming media server;
the processing unit is used for calling the processing connection assembly to process the target streaming media in the target processing mode;
and the sending unit is used for calling the processing connection component to send the processed target streaming media to the player.
In a fourth aspect, an embodiment of the present application provides another streaming media data processing device, including:
the obtaining unit is used for obtaining a request corresponding to the target protocol sent by the player; the request is used for the player to request to acquire target streaming media from a source streaming media server corresponding to the target protocol;
a determining unit, configured to determine a target data proxy service component corresponding to the target protocol;
the sending unit is used for sending the request to a target data proxy service component corresponding to the target protocol; if the target streaming media meets the preset processing conditions of the target processing mode, the target streaming media is streaming media processed by the target data proxy service component in the target processing mode; and the target data proxy service component is used for creating a processing connection component corresponding to the target streaming media and calling the processing connection component to process the target streaming media in the target processing mode.
In a fifth aspect, an embodiment of the present application provides still another streaming media data processing apparatus, including:
the device comprises a central processing unit, a memory, an input/output interface, a wired or wireless network interface and a power supply;
the memory is a short-term memory or a persistent memory;
the central processor is configured to communicate with the memory and to execute the instruction operations in the memory to perform the streaming media data processing method of the foregoing first aspect or second aspect.
In a sixth aspect, an embodiment of the present application provides a computer readable storage medium, the computer readable storage medium including instructions that, when executed on a computer, cause the computer to perform the streaming media data processing method of the first aspect or the second aspect.
In a seventh aspect, embodiments of the present application provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform the streaming media data processing method of the first or second aspect described above.
From the above technical solutions, the embodiment of the present application has the following advantages: the request corresponding to the target protocol sent by the request routing component can be obtained; the method comprises the steps that a player requests to obtain target streaming media from a source streaming media server corresponding to a target protocol, if the target streaming media meets preset processing conditions of a target processing mode, a processing connection component corresponding to the target streaming media is created, the processing connection component is called to obtain the target streaming media from the source streaming media server, the processing connection component is called to process the target streaming media in the target processing mode, the processed target streaming media are called to be sent to the player, and if the obtained target streaming media are required to be processed, the processed target streaming media do not need to be obtained through a proxy server, so that frequent switching between a kernel mode and a user mode is not involved, the whole process of data intermediate processing is completed in the kernel mode, CPU performance is not consumed, and therefore, the stability of streaming media data processing is higher.
Drawings
Fig. 1 is a schematic diagram of a streaming media data processing system according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a method for processing streaming media data according to an embodiment of the present application;
fig. 3 is a flow chart of another processing method of streaming media data according to an embodiment of the present application;
fig. 4 is a flow chart of another method for processing streaming media data according to an embodiment of the present application;
fig. 5 is a schematic flow chart of a streaming media data processing method implemented by an HTTP proxy server according to an embodiment of the present application;
FIG. 6 is a flowchart illustrating another method for processing streaming media data implemented by an HTTP proxy server according to an embodiment of the present application;
fig. 7 is a schematic diagram of a data transmission direction of a streaming media data processing method implemented by an HTTP proxy server according to an embodiment of the present application;
fig. 8 is a schematic diagram of a data transmission direction of a streaming media data processing method implemented by a target data proxy service component according to an embodiment of the present application;
fig. 9 is a schematic flow chart of a method for transmitting data on a product side in streaming media data processing according to an embodiment of the present application;
FIG. 10 is a schematic diagram of a call stack for streaming media data processing according to an embodiment of the present application;
Fig. 11 is a schematic structural diagram of a streaming media data processing device according to an embodiment of the present application.
Detailed Description
The embodiment of the application provides a streaming media data processing method, streaming media data processing equipment and a computer readable storage medium, which are used for processing streaming media data under the condition of improving the processing stability of the streaming media data.
Referring to fig. 1, an architecture 100 of a streaming media data processing system according to an embodiment of the present application includes:
a source streaming server 101 and a streaming media data processing device 102. When streaming media data processing is performed, the source streaming media server 101 may be coupled to the streaming media data processing device 102. The streaming media data processing device 102 includes a target data proxy service component corresponding to a target protocol, a request routing component and a player, where the target data proxy service component corresponding to the target protocol of the streaming media data processing device 102 can obtain a request corresponding to the target protocol sent by the request routing component, when determining that the target streaming media meets a preset processing condition of a target processing mode, a processing connection component corresponding to the target streaming media can be created, the processing connection component is called to obtain the target streaming media from the source streaming media server 101, the processing connection component is called to perform processing of the target streaming media in the target processing mode, and the processed target streaming media is called to be sent to the player by the processing connection component.
Referring to fig. 2, fig. 2 is a flow chart of a streaming media data processing method according to an embodiment of the present application, which is applied to a target data proxy service component corresponding to a target protocol of a streaming media data processing device, and the method includes:
201. obtaining a request corresponding to a target protocol sent by a request routing component; the request is used for the player to request to acquire the target streaming media from the streaming media server corresponding to the target protocol.
In this embodiment, when processing streaming media data, a request corresponding to a target protocol sent by a request routing component may be obtained; the request is used for the player to request to acquire the target streaming media from the streaming media server corresponding to the target protocol.
It may be understood that before obtaining the request corresponding to the target protocol sent by the request routing component, the target data proxy service component corresponding to the target protocol may be registered, where a method for registering the target data proxy service component corresponding to the target protocol may be that a registration request of the target data proxy service component corresponding to the target protocol is sent to the request router, where the registration request is used to request the request router to create a mapping relationship between the target protocol and the target data proxy service component corresponding to the target protocol, so as to register the target data proxy service component corresponding to the target protocol, or may be other reasonable methods for registering the target data proxy service component corresponding to the target protocol, and in this embodiment, the method is not limited herein.
202. If the target streaming media meets the preset processing conditions of the target processing mode, a processing connection assembly corresponding to the target streaming media is created.
After obtaining the request corresponding to the target protocol sent by the request routing component, whether the target streaming media meets the preset processing conditions of the target processing mode can be judged, and if the target streaming media meets the preset processing conditions of the target processing mode, the processing connection component corresponding to the target streaming media is created.
It can be understood that the method for determining that the target streaming media meets the preset processing conditions of the target processing mode may be to obtain the identifier of the target parameter in the request, then determine whether the identifier is the preset processing identifier corresponding to the target processing mode, and if the identifier is the preset processing identifier corresponding to the target processing mode, determine that the target streaming media meets the preset processing conditions of the target processing mode. Other reasonable methods are also possible, and are not limited in this regard.
203. The call processing connection component obtains the target streaming media from the source streaming media server.
If the target streaming media meets the preset processing conditions of the target processing mode, after the processing connection component corresponding to the target streaming media is created, the processing connection component can be called to obtain the target streaming media from the source streaming media server.
204. And calling a processing connection component to process the target streaming media in a target processing mode.
After the processing connection component is called to obtain the target streaming media from the source streaming media server, the processing connection component can be called to process the target streaming media in a target processing mode.
205. And calling the processing connection component to send the processed target streaming media to the player.
After the processing connection component is called to process the target streaming media in the target processing mode, the processing connection component can be called to send the processed target streaming media to the player.
In the embodiment of the application, the request corresponding to the target protocol sent by the request routing component can be obtained; the method comprises the steps that a request is used for a player to request to obtain target streaming media from a source streaming media server corresponding to a target protocol, if the fact that the target streaming media meets preset processing conditions of a target processing mode is determined, a processing connection component corresponding to the target streaming media is created, the processing connection component is called to obtain the target streaming media from the source streaming media server, the processing connection component is called to process the target streaming media in the target processing mode, the processing connection component is called to send the processed target streaming media to the player, and switching is not needed, so that the stability of streaming media data processing is high.
Referring to fig. 3, fig. 3 is a flow chart of another method for processing streaming media data according to an embodiment of the present application, which is applied to a request routing component of a streaming media data processing device, and includes:
301. obtaining a request corresponding to a target protocol sent by a player; the request is used for requesting to obtain the target streaming media from the source streaming media server corresponding to the target protocol.
In this embodiment, when processing streaming media data, a request corresponding to a target protocol sent by a player may be obtained; the request is used for requesting to obtain the target streaming media from the source streaming media server corresponding to the target protocol.
302. And determining a target data proxy service component corresponding to the target protocol.
After obtaining the request corresponding to the target protocol sent by the player, the target data proxy service component corresponding to the target protocol can be determined.
It may be understood that, before determining the target data proxy service component corresponding to the target protocol, a registration request sent by the data proxy service component corresponding to each protocol may be obtained first for the data proxy service component corresponding to each protocol, and then a mapping relationship between the data proxy service components corresponding to each protocol is created in response to the registration request of the data proxy service component corresponding to each protocol, so as to register the data proxy service component corresponding to each protocol. The method for determining the target data proxy service component corresponding to the target protocol may be to determine the data proxy service component corresponding to the target protocol according to the mapping relationship. Other reasonable methods are also possible, and are not limited in this regard.
303. Sending the request to a target data proxy service component corresponding to the target protocol; if the target streaming media meets the preset processing conditions of the target processing mode, the target streaming media is streaming media processed by the target data proxy service component in the target processing mode; and the target data proxy service component is used for creating a processing connection component corresponding to the target streaming media and calling the processing connection component to process the target streaming media in a target processing mode.
After determining the target data proxy service component corresponding to the target protocol, the request can be sent to the target data proxy service component corresponding to the target protocol; if the target streaming media meets the preset processing conditions of the target processing mode, the target streaming media is streaming media processed by the target data proxy service component in the target processing mode; and the target data proxy service component is used for creating a processing connection component corresponding to the target streaming media and calling the processing connection component to process the target streaming media in a target processing mode.
In the embodiment of the application, a request corresponding to a target protocol sent by a player can be obtained, the request is used for requesting to obtain target streaming media from a source streaming media server corresponding to the target protocol, a target data proxy service component corresponding to the target protocol is determined, and the request is sent to the target data proxy service component corresponding to the target protocol; if the target streaming media meets the preset processing conditions of the target processing mode, the target streaming media is streaming media processed by the target data proxy service component in the target processing mode; the target data proxy service component is used for creating a processing connection component corresponding to the target streaming media, and calling the processing connection component to process the target streaming media in a target processing mode, and the processed target streaming media does not need to be obtained through a proxy server, so that frequent switching between a kernel mode and a user mode is not involved, the whole process of data intermediate processing after a request is sent to the target data proxy service component corresponding to a target protocol is completed in the kernel mode, CPU performance is not consumed, and therefore, the streaming media data processing stability is higher.
In the embodiment of the present application, the method for determining that the target streaming media meets the preset processing conditions of the target processing mode may be multiple, and one method is described below based on the streaming media data processing method shown in fig. 2, where the method is applied to the target data proxy service component corresponding to the target protocol of the streaming media data processing device.
In this embodiment, when processing streaming media data, a request corresponding to a target protocol sent by a request routing component may be obtained; the request is used for the player to request to acquire the target streaming media from the streaming media server corresponding to the target protocol.
Specifically, the source streaming Media server may be a Media data source (Media data source), and it should be understood that streaming Media may be obtained from the Media data source, and the streaming Media is generally a streaming Media resource, including but not limited to an online streaming Media resource, a local streaming Media resource (such as a cached streaming Media resource), and the like, and the format of the streaming Media resource includes, but is not limited to, a picture, a video, and the like, and the request may be, for example, a player Seek, where the player Seek specifies an operation of starting to play the streaming Media, or may be other requests that may obtain the target streaming Media from the source streaming Media server corresponding to the target protocol, and is not limited herein.
Before obtaining a request corresponding to a target protocol sent by a request routing component, a registration request of a target data proxy service component corresponding to the target protocol may be sent to a request router, where the registration request is used to request the request router to create a mapping relationship between the target protocol and the target data proxy service component corresponding to the target protocol, so as to register the target data proxy service component corresponding to the target protocol.
It should be understood that, the request corresponding to the target protocol is initiated by the player, and the request routing component may obtain the request corresponding to the target protocol sent by the player, and determine the data proxy service component corresponding to the target protocol according to the mapping relationship, so as to route the request corresponding to the target protocol to the data proxy service component corresponding to the target protocol.
Specifically, referring to fig. 4, fig. 4 is a flow chart of another processing method of streaming media data according to an embodiment of the present application, and as can be seen from fig. 4, a data proxy service component corresponding to various protocols may globally register with a request routing component, after registration, a player may initiate a request corresponding to a target protocol, and the request routing component may determine a target data proxy service component corresponding to the target protocol and send the request to the target data proxy service component. For example, the mediahttpurl streamhandler may globally register with a java. Net. Url (request routing component), after which the player may initiate a url address (request corresponding to the target protocol) corresponding to the HTTP protocol, and the java. Net. Url (request routing component) may determine the mediahttpurl streamhandler corresponding to the HTTP protocol and send the url address corresponding to the HTTP protocol to the target data proxy service component.
It may be appreciated that the java. Net. Url may implement registration and query of the data proxy service component mediahttpurl streamhandle (HTTP and/or HTTPs protocol processor) corresponding to the HTTP and/or HTTPs protocols, where mediahtttpurl streamhandle may register with the java. Net. Url in the HTTP and/or HTTPs protocols. It should be appreciated that mediahttpurl streamhandler is a data proxy service component, an intermediate data processing mechanism that may be implemented without the use of HTTP proxy servers.
After obtaining the request corresponding to the target protocol sent by the request routing component, if it is determined that the target streaming media meets the preset processing condition of the target processing mode, a processing connection component corresponding to the target streaming media can be created.
If it is determined that the target streaming media meets the preset processing conditions of the target processing mode, the identifier of the target parameter in the request may be obtained first, and then it is determined whether the identifier is the preset processing identifier corresponding to the target processing mode. If the method for determining that the target streaming media meets the preset processing conditions of the target processing mode may be that if the identifier is a preset processing identifier corresponding to the target processing mode, determining that the target streaming media meets the preset processing conditions of the target processing mode.
If it is determined that the target streaming media meets the preset processing conditions of the target processing mode, a white list meeting the preset processing conditions corresponding to the target processing mode may be obtained first, where the white list is a target parameter list in which the streaming media meeting the preset processing conditions corresponding to the target processing mode is registered, then the identifier of the target parameter in the request is obtained, and finally it is determined whether the identifier of the target parameter is registered in the white list. If the target streaming media meets the preset processing conditions of the target processing mode, the method may be that if the identifier of the target parameter is registered in the white list, the target streaming media is determined to meet the preset processing conditions of the target processing mode.
Specifically, referring to fig. 4, it can be seen from fig. 4 that the target data proxy service component mediahttpurl stream handler corresponding to the target protocol can determine whether the requested target streaming media in the request is streaming media meeting the preset processing conditions of the target processing mode, if yes, then the processing connection component mediahttpurl connection corresponding to the target streaming media is created to obtain the target streaming media and return.
If the target streaming media meets the preset processing conditions of the target processing mode, after the processing connection component corresponding to the target streaming media is created, the processing connection component can be called to obtain the target streaming media from the source streaming media server.
It will be appreciated that the target processing method may be encryption, decryption, adding special effects, etc., and is not limited herein.
The method for calling the processing connection component to obtain the target streaming media from the source streaming media server may be that the processing connection component is called to create a data source interface of the target streaming media, and then the processing connection component is called to obtain the target streaming media from the source streaming media server through the data source interface of the target streaming media.
Specifically, as can be seen from fig. 4, the method for calling the processing connection component (mediahttpurlnterlink) to obtain the target streaming media from the source streaming media server may be to first call the processing connection component (mediahttpurlnterlink) to create a data source interface (DataSource) of the target streaming media, and then call the processing connection component (mediahttpurlnterlink) to obtain the target streaming media from the source streaming media server (HTTP data source) through the data source interface (DataSource) of the target streaming media.
After the processing connection component is called to obtain the target streaming media from the source streaming media server, the processing connection component can be called to process the target streaming media in a target processing mode.
Before the processing connection component is called to process the target streaming media in the target processing mode, a data processing component corresponding to each processing mode can be created. The method for calling the processing connection component to process the target streaming media in the target processing mode can be that the processing connection component is called to process the target streaming media in the target processing mode through the data processing component corresponding to the target processing mode.
Specifically, referring to fig. 4, as can be seen from fig. 4, the processing connection component mediahttpurlnconnect may be called to perform processing of the target streaming media in the target processing mode through the data processing component (data processing program) corresponding to the target processing mode.
After the processing connection component is called to process the target streaming media in the target processing mode, the processing connection component can be called to send the processed target streaming media to the player.
Specifically, referring to fig. 4, as can be seen from fig. 4, a process connection component (mediahttpurl stream handler) may be invoked to return the processed target streaming media to the player.
After obtaining a request corresponding to a target protocol sent by a request routing component, if it is determined that the target streaming media does not meet preset processing conditions of a target processing mode, firstly creating a non-processing connection component corresponding to the target streaming media, then calling the non-processing connection component to obtain the target streaming media from a source streaming media server, and sending the target streaming media to a player.
With continued reference to fig. 4, as can be seen from fig. 4, if it is determined that the target streaming media does not meet the preset processing conditions of the target processing manner, a non-processing connection component (Http(s) uilnnection) corresponding to the target streaming media is created, the non-processing connection component (Http(s) uilnnection) may be called to obtain the target streaming media from the streaming media server (Http data source), and the obtained target streaming media is returned to the player.
In order to facilitate understanding of the embodiments of the present application, a method for processing streaming media data implemented by an HTTP proxy server is described below, so as to be able to compare with a method for processing streaming media data implemented by a mediahttpurlnterlink (target data proxy service component) of the embodiments of the present application.
The HTTP proxy Server is responsible for HTTP protocol communication, acts as a man-in-the-middle role between an HTTP Client and a Server, provides services for request forwarding, interception and communication across a local area network, has a mode of HTTP Client- > HTTP ProxyServer- > HTTP Server (which may be abbreviated as C/P/S), and can be created at a Client (such as a mobile phone). Specifically, referring to fig. 5, fig. 5 is a schematic flow diagram of a method for processing streaming media data implemented by an HTTP proxy server according to an embodiment of the present application, and as can be seen from fig. 5, a player initiates a url address (a request corresponding to an HTTP protocol) for the player to request to obtain a target streaming media from an HTTP source streaming media server corresponding to the HTTP protocol, a java. Net. Url (request router) routes the url address to an HTTP proxy service component corresponding to the HTTP protocol, and an HTTP proxy service component creates HTTP(s) url connection. It should be appreciated that the HTTP protocol, the hypertext transfer protocol, is the most widely used and very simple communication protocol for information transfer over the Internet. Some local area networks have restrictions on protocols that only allow users to access external network services via the HTTP protocol. If the target streaming media corresponding to the url address is streaming media to be processed, the user mode and the kernel mode are switched, data is transmitted through the kernel mode, the request data (url address) is sent to an HTTP proxy server (HTTP proxy server) through an operating system kernel memory and an operating system network protocol layer and is packaged by the HTTP proxy server, a data source interface of the target streaming media is created, the data source interface is called to obtain the target streaming media from the HTTP source streaming media server, then the target streaming media is processed, the processed target streaming media is obtained, and the processed target streaming media is sent to a player through the operating system kernel memory and the operating system network protocol layer. If the target streaming media corresponding to the url address is streaming media which does not need to be processed, the HTTP proxy service component calls HTTP(s) UrlConnection to obtain the target streaming media from the HTTP source streaming media server.
It should be understood that, for the method of streaming media data processing implemented by the HTTP proxy Server, the HTTP proxy Server acts as 3 roles, 1 is the Server side (Server side), responsible for communication with the MediaPlayer (media player), 2 is the role responsible for data processing, 3 is the Client side (Client side), responsible for communication with the HTTP source streaming media Server, the mediahttpserver in the MediaPlayer acts as the Client side, responsible for initiating HTTP requests to the local HTTP proxy Server, in this way reading the processed data.
The streaming media data processing method implemented through mediahttpurlnconnect (target data proxy service component) is shown in fig. 4, and will not be described here again. Comparing the streaming media data processing method implemented by the HTTP proxy server with the streaming media data processing method implemented by the mediahttpurlnconnect (target data proxy service component) according to the embodiment of the present application, it can be known that:
for the method of processing streaming media data implemented by the HTTP proxy server, first, a native HTTP proxy server needs to be created in an Android (Android) application, and this process needs to apply for at least 2 threads, and further needs to interact with a kernel protocol layer to implement port and address binding. Therefore, the number of consumed thread resources is large, wherein, for the HTTP proxy server, one server thread is needed, and then, a separate thread is needed for processing each HTTP request at the server side, in this case, if the server sends a plurality of requests, a plurality of threads are needed to be created corresponding to the requests, and even if a thread pool is used, the waiting time is longer for low-profile devices or long-time data processing, so that the processing efficiency of streaming media data is low. Secondly, because the proxy server exists, although the I/O operation does not need to pass through the network card, frequent switching between the kernel mode and the user mode still can be involved, the switching consumes CPU performance very much, meanwhile, data also passes through the kernel mode, and in the C/S structure, at least 4 memory copies are needed from request to response, so that the processing stability of streaming media data is lower, and the I/O operation efficiency is low. Wherein, the I/O is the Input and output of the data source, the Input of the data source is generally Input operation, I for short, and the output is output operation, O for short. Then, the processing process of the streaming media data inevitably needs to perform network protocol layer interaction, and if the network is poor, the transmission of the data is slower, so that the processing efficiency of the streaming media data is lower. Furthermore, in the Android system, the access of the HTTP proxy server is not limited, and data may be monitored, intercepted, tampered, and even a service attack (Dos) occurs, which is a network attack method, and aims to exhaust the network or system resources of the target computer, so that the service is temporarily interrupted or stopped, and the normal user cannot access the HTTP proxy server. Therefore, the streaming media data processing has lower security. In addition, as shown in fig. 6, another method for processing streaming media data by using an HTTP proxy server according to the embodiment of the present application is shown in fig. 6, which involves more interrupts, for example, soft interrupts, so that the CPU interrupts cannot be avoided, and the stability and efficiency of processing streaming media data are low.
For the method for processing streaming media data implemented through mediahttpurl connection (target data proxy service component) in the embodiment of the present application, the target streaming media may be obtained from a data source (source streaming media server) through mediahttpurl streaming handler, and after the client processes (decrypts, adds special effects, etc.) the target streaming media, the processed target streaming media is sent to the player. Compared with the architecture for processing intermediate data through HTTP proxy, no proxy server or port is created, resources do not need to be applied in a kernel mode, threads do not need to be created in a user mode, meanwhile, the whole process of a data intermediate processing program is completed in the kernel mode, so that CPU interruption is avoided, multiple I/O copies of the user mode and the kernel mode are avoided, network protocol layer interaction is avoided, interception is avoided, attack and the like are avoided, and therefore, the streaming media data processing stability is higher, the efficiency is higher, the security is higher, the playing success rate of a media player is higher, and the playing speed is higher.
In order to more conveniently understand the difference between the two streaming media data processing methods, please refer to fig. 7 and 8, fig. 7 is a data transmission direction diagram disclosed in the embodiment of the present application, and as can be seen from fig. 7, the HTTP proxy server can obtain a request sent by the player, can obtain data forwarded by the data source from the data source in response to the request, can process the data, and forwards the processed data to the player. Fig. 8 is a schematic diagram of a data transmission direction of a streaming media data processing method implemented by a target data proxy service component according to an embodiment of the present application, and as can be seen from fig. 8, a player initiates a request, and a data source (source streaming media server) may send data (target streaming media) in response to the request, and the data is transmitted to the player after processing.
To more visually demonstrate the difference in stability and efficiency of these two methods, a specific comparative test example is set forth below, in which a comparative test was performed with "28MB data 12 downloads:
compared with the method for processing the streaming media data by using the HTTP proxy server, the method for processing the streaming media data by using the media HttpUrlConnection is higher in efficiency, does not interrupt CPU and apply for system resources frequently, is higher in stability, and is more obvious in effect under the condition of larger data transmission quantity.
It should be noted that, in terms of products, the workflow of the streaming media data processing may refer to fig. 9, fig. 9 is a flow chart of a product side data transmission method of the streaming media data processing disclosed in the embodiment of the application, and as can be seen from fig. 9, a player of a client initiates a request corresponding to the HTTP protocol, the request is used for obtaining a target streaming media (video, picture) from the HTTP source streaming media server, the request is transferred to the mediahtttpurl streaming handler data proxy service component, and then the mediahtttpurl streaming handler forwards the request to the HTTP source streaming media server in the internet. After receiving the request, the HTTP source stream media server processes the request and then sends the target stream media to the MediaHttpUrlStreamHandler data proxy service component, processes the target stream media in the MediaHttpUrlStreamHandler data proxy service component, and sends the processed target stream media to the player.
It is also worth mentioning that the streaming media data processing method according to the embodiment of the present application may be applicable to the following scenarios:
(1) The target streaming media is obtained from a data source (a source streaming media server), and after the target streaming media is processed (decrypted, special effects added and the like) by a client, the processed target streaming media is sent to a scene of a player.
(2) When the player needs frequent Seek or the network is worse and needs optimization, the scene of locally caching the data needs to be realized.
(3) And a scene needing to be optimized for application, equipment performance and memory.
(4) A scenario requiring simultaneous compatibility with multiple players (MediaPlayer, exoPlayer, iJKPlayer). Software and hardware environment: the hardware mainly relates to a mobile phone, a TV, vehicle-mounted equipment and the like loaded with an Android system. The software environment is generally ExoPlayer, mediaPlayer (version above Android 5.0 is required), iJKPlayer, etc.
(5) And participating in scenes with high security requirements of audio and video playing.
It should be further noted that, referring to fig. 10, fig. 10 is a schematic diagram of a call stack disclosed in the embodiment of the present application, and as can be seen from fig. 10, the stacks of the 2 nd to 8 th rows are stacks of the final post-operation effects of the embodiment of the present application.
It will be appreciated that, in addition to the above-described method of determining that the target streaming media meets the preset processing condition of the target processing mode, in addition to the above-described method of calling the processing connection component to obtain the target streaming media from the source streaming media server, in addition to the above-described method of calling the processing connection component to perform processing of the target streaming media in the target processing mode, in addition to the above-described method of requesting the routing component to determine the data proxy service component corresponding to the target protocol, in addition to the above-described method of requesting the routing component to register the data proxy service component corresponding to each protocol, in addition to the above-described method of calling the non-processing connection component to obtain the target streaming media from the source streaming media server and transmitting the target streaming media to the player, other reasonable methods are possible, and are not limited thereto.
In this embodiment, a request corresponding to a target protocol sent by a request routing component may be obtained, where the request is used for a player to request to obtain a target streaming media from a source streaming media server corresponding to the target protocol, if it is determined that the target streaming media meets a preset processing condition of a target processing mode, a processing connection component corresponding to the target streaming media is created, the processing connection component is called to obtain the target streaming media from the source streaming media server, the processing connection component is called to perform processing of the target streaming media in the target processing mode, the processing connection component is called to send the processed target streaming media to the player, and if the obtained target streaming media needs to be processed, the processed target streaming media do not need to be obtained through a proxy server, so frequent switching between a kernel mode and a user mode is not involved, the whole process of data intermediate processing is completed in the kernel mode, CPU performance is not consumed, and therefore, the processing stability of streaming media data is higher. In addition, the embodiment of the application does not need to create proxy servers and ports, so that resources are not required to be applied in a kernel mode, threads are not required to be created in a user mode, the whole process of data intermediate processing is completed in the kernel mode, therefore, CPU interruption is avoided, multiple copies of the user mode and the kernel mode are avoided, network protocol layer interaction is avoided, interception, attack and the like are avoided, therefore, the processing stability of streaming media data is higher, the efficiency is higher, the security is higher, the playing success rate of a media player is higher, and the playing speed is higher.
The method for processing streaming media data in the embodiment of the present application is described above, and the following describes a target data proxy service component corresponding to a target protocol of a streaming media data processing device in the embodiment of the present application, where one embodiment of the target data proxy service component corresponding to the target protocol in the embodiment of the present application includes:
the obtaining unit is used for obtaining a request corresponding to the target protocol sent by the request routing component; the request is used for a player to request to acquire target streaming media from a source streaming media server corresponding to the target protocol;
the creating unit is used for creating a processing connection assembly corresponding to the target streaming media if the target streaming media is determined to meet the preset processing conditions of the target processing mode;
the obtaining unit is further configured to invoke the processing connection component to obtain the target streaming media from the source streaming media server;
the processing unit is used for calling the processing connection assembly to process the target streaming media in the target processing mode;
and the sending unit is used for calling the processing connection component to send the processed target streaming media to the player.
In the embodiment of the application, the request corresponding to the target protocol sent by the request routing component can be obtained, the request is used for the player to request to obtain the target streaming media from the source streaming media server corresponding to the target protocol, if the target streaming media is determined to meet the preset processing condition of the target processing mode, the processing connecting component corresponding to the target streaming media is created, the processing connecting component is called to obtain the target streaming media from the source streaming media server, the processing connecting component is called to process the target streaming media in the target processing mode, the processing connecting component is called to send the processed target streaming media to the player, and if the obtained target streaming media is required to be processed, the processed target streaming media do not need to be obtained through the proxy server, so frequent switching between a kernel mode and a user mode is not involved, the whole process of data intermediate processing is completed in the kernel mode, CPU performance is not consumed, and therefore, the processing stability of streaming media data is higher.
One embodiment of a request routing component of a streaming media data processing device in an embodiment of the present application includes:
the obtaining unit is used for obtaining a request corresponding to the target protocol sent by the player; the request is used for the player to request to acquire target streaming media from a source streaming media server corresponding to the target protocol;
a determining unit, configured to determine a target data proxy service component corresponding to the target protocol;
the sending unit is used for sending the request to a target data proxy service component corresponding to the target protocol; if the target streaming media meets the preset processing conditions of the target processing mode, the target streaming media is streaming media processed by the target data proxy service component in the target processing mode; and the target data proxy service component is used for creating a processing connection component corresponding to the target streaming media and calling the processing connection component to process the target streaming media in the target processing mode.
In the embodiment of the application, a request corresponding to a target protocol sent by a player can be obtained, the request is used for requesting to obtain target streaming media from a source streaming media server corresponding to the target protocol, a target data proxy service component corresponding to the target protocol is determined, and the request is sent to the target data proxy service component corresponding to the target protocol; if the target streaming media meets the preset processing conditions of the target processing mode, the target streaming media is streaming media processed by the target data proxy service component in the target processing mode; the target data proxy service component is used for creating a processing connection component corresponding to the target streaming media, and calling the processing connection component to process the target streaming media in a target processing mode, and the processed target streaming media does not need to be obtained through a proxy server, so that frequent switching between a kernel mode and a user mode is not involved, the whole process of data intermediate processing after a request is sent to the target data proxy service component corresponding to a target protocol is completed in the kernel mode, CPU performance is not consumed, and therefore, the streaming media data processing stability is higher.
Referring to fig. 11, an embodiment of a streaming media data processing device 1100 according to an embodiment of the present application includes:
a central processor 1101, a memory 1105, an input-output interface 1104, a wired or wireless network interface 1103, and a power supply 1102;
memory 1105 is a transient memory or persistent memory;
the central processor 1101 is configured to communicate with the memory 1105 and to execute the operations of the instructions in the memory 1105 to perform the method of the embodiments shown in fig. 2 or fig. 3 described above.
Embodiments of the present application also provide a computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the method of the embodiments shown in fig. 2 or fig. 3 described above.
Embodiments of the present application also provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of the embodiments shown in fig. 2 or fig. 3 described above.
It should be understood that, although the steps in the flowcharts related to the embodiments described above are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM, random access memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Claims (11)
1. A streaming media data processing method, characterized by being applied to a target data proxy service component corresponding to a target protocol of a streaming media data processing device, where the streaming media data processing device includes a request routing component and a player, the method comprising:
obtaining a request corresponding to a target protocol sent by the request routing component; the request is used for the player to request to acquire target streaming media from a source streaming media server corresponding to the target protocol;
if the target streaming media meets the preset processing conditions of the target processing mode, creating a processing connection assembly corresponding to the target streaming media;
invoking the process connection component to obtain the target streaming media from the source streaming media server;
calling the processing connection component to process the target streaming media in the target processing mode;
and calling the processing connection component to send the processed target streaming media to the player.
2. The method according to claim 1, wherein before determining that the target streaming media meets the preset processing condition of the target processing mode, the method further comprises:
obtaining an identification of a target parameter in the request;
Judging whether the mark is a preset processing mark corresponding to the target processing mode;
and if the target streaming media meets the preset processing conditions of the target processing mode, the method comprises the following steps:
and if the mark is the preset processing mark corresponding to the target processing mode, determining that the target streaming media meets the preset processing condition of the target processing mode.
3. The method according to claim 1, wherein before determining that the target streaming media meets the preset processing condition of the target processing mode, the method further comprises:
obtaining a white list meeting preset processing conditions corresponding to a target processing mode; the white list is a target parameter list of streaming media which is logged in to meet preset processing conditions corresponding to a target processing mode;
obtaining an identification of a target parameter in the request;
judging whether the identification of the target parameter is logged in the white list;
and if the target streaming media meets the preset processing conditions of the target processing mode, the method comprises the following steps:
and if the identification of the target parameter is registered in the white list, determining that the target streaming media meets the preset processing condition of the target processing mode.
4. The method according to claim 1, wherein the method further comprises:
if the target streaming media is determined to not meet the preset processing conditions of the target processing mode, creating a non-processing connection component corresponding to the target streaming media;
and calling the non-processing connection component to obtain the target streaming media from the source streaming media server and sending the target streaming media to the player.
5. The method of claim 1, wherein the invoking the process connection component to obtain the target streaming media from the source streaming media server comprises:
calling the processing connection component to create a data source interface of the target streaming media;
and calling the processing connection component to obtain the target streaming media from the source streaming media server through a data source interface of the target streaming media.
6. The method of claim 1, wherein before invoking the process connection component to process the target streaming media in the target processing mode, the method further comprises:
creating data processing components corresponding to the various processing modes respectively;
the calling the processing connection component to process the target streaming media in the target processing mode comprises the following steps:
And calling the processing connection component to process the target streaming media in the target processing mode through the data processing component corresponding to the target processing mode.
7. The method of claim 1, wherein prior to obtaining the request corresponding to the target protocol sent by the request routing component, the method further comprises:
sending a registration request of a target data proxy service component corresponding to the target protocol to the request router; the registration request is used for requesting the request router to create a mapping relation between the target protocol and the target data proxy service component corresponding to the target protocol so as to register the target data proxy service component corresponding to the target protocol.
8. A streaming media data processing method, characterized by being applied to a request routing component of a streaming media data processing device, where the streaming media data processing device includes a player and a data proxy service component corresponding to various protocols, the method comprising:
obtaining a request corresponding to a target protocol sent by the player; the request is used for the player to request to acquire target streaming media from a source streaming media server corresponding to the target protocol;
Determining a target data proxy service component corresponding to the target protocol;
sending the request to a target data proxy service component corresponding to the target protocol; if the target streaming media meets the preset processing conditions of the target processing mode, the target streaming media is streaming media processed by the target data proxy service component in the target processing mode; and the target data proxy service component is used for creating a processing connection component corresponding to the target streaming media and calling the processing connection component to process the target streaming media in the target processing mode.
9. The method of claim 8, wherein prior to determining the target data proxy service component to which the target protocol corresponds, the method further comprises:
aiming at the data proxy service component corresponding to each protocol, obtaining a registration request sent by the data proxy service component corresponding to the protocol;
responding to a registration request of a data proxy service component corresponding to each protocol, and creating a mapping relation between the data proxy service components corresponding to each protocol so as to register the data proxy service components corresponding to each protocol;
The determining the target data proxy service component corresponding to the target protocol comprises the following steps:
and determining a target data proxy service component corresponding to the target protocol according to the mapping relation.
10. A streaming media data processing apparatus, comprising:
a central processing unit and a memory;
the memory is a short-term memory or a persistent memory;
the central processor is configured to communicate with the memory and to execute instruction operations in the memory to perform the method of any of claims 1 to 7 or claims 8 to 9.
11. A computer readable storage medium comprising instructions which, when run on a computer, cause the computer to perform the method of any one of claims 1 to 9.
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