CN112866727B - Streaming media live broadcast method and system capable of receiving third party push stream - Google Patents
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- 238000012952 Resampling Methods 0.000 claims description 8
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Classifications
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
- H04N21/2335—Processing of audio elementary streams involving reformatting operations of audio signals, e.g. by converting from one coding standard to another
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
-
- 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]
Abstract
The application provides a streaming media live broadcast method and a streaming media live broadcast system capable of receiving third-party push stream, wherein a starting instruction and a push stream address sent by a third-party streaming media management server are obtained through THC; if the push address is valid, acquiring corresponding streaming media data according to the push address; the streaming media data is unpacked to obtain original information and bare streaming data, and a video decoder and an audio decoder are obtained; carrying out track division on the bare stream data according to the original information to obtain a first video stream and a first audio stream; recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream; and the second video stream is sent to the streaming media video server, the second audio stream is sent to the streaming media audio server to realize third-party push streaming service, the functions and the use scene of the existing platform are expanded, and the service has the characteristics of low delay, good image quality and the like, and a user can conveniently access the existing platform.
Description
Technical Field
The present disclosure relates to the field of network technologies, and in particular, to a method and system for live streaming media capable of receiving third party push streams.
Background
The existing stream media live broadcast system does not support the plug-flow service access of a third party, and cannot be used in certain live broadcast scenes, such as operation live broadcast, so that the existing live broadcast system has certain limitation.
Disclosure of Invention
The application provides a streaming media live broadcast method and a streaming media live broadcast system capable of receiving third party plug flow, which are used for solving the problem that the existing streaming media live broadcast system does not support the plug flow service access of the third party.
In order to achieve the above object, the present application provides a streaming media live broadcast method capable of receiving third party push, where the method includes:
acquiring a starting instruction and a push address sent by a third-party streaming media management server;
if the push address is valid, acquiring corresponding streaming media data according to the push address;
the streaming media data is unpacked to obtain original information and bare streaming data, and a video decoder and an audio decoder are obtained;
carrying out track division on the bare stream data according to the original information to obtain a first video stream and a first audio stream;
and recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream.
Further, the track division is performed on the bare stream data according to the original information to obtain a first video stream and a first audio stream, which comprises the following steps:
reading the bare stream data to obtain a first video stream and a first audio stream;
and storing the first video stream in a first queue, and storing the first audio stream in a second queue.
Further, recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream includes: decoding the first video stream by using the video decoder to obtain original video data;
and recoding the original video data to obtain a second video stream.
Further, recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream, further includes:
decoding the first audio stream by using the audio decoder to obtain original audio data;
resampling the original audio data to obtain target audio data;
and recoding the target audio data to obtain a second video stream.
Further, after recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream, the method further includes:
transmitting the second video stream to a streaming media video server;
and sending the second audio stream to a streaming media audio server.
In a second aspect, to achieve the above object, the present application provides a streaming media live broadcast system capable of receiving third party push streams, where the system includes a streaming media video server, a streaming media audio server, a streaming media video live broadcast server, and further includes: the system comprises a third-party streaming media management server and a third-party streaming media server, wherein the third-party streaming media server is used for:
acquiring a starting instruction and a push address sent by a third-party streaming media management server;
if the push address is valid, acquiring corresponding streaming media data according to the push address;
the streaming media data is unpacked to obtain original information and bare streaming data, and a video decoder and an audio decoder are obtained;
carrying out track division on the bare stream data according to the original information to obtain a first video stream and a first audio stream;
and recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream.
Further, the third party streaming server is further configured to:
reading the bare stream data to obtain a first video stream and a first audio stream;
and storing the first video stream in a first queue, and storing the first audio stream in a second queue.
Further, the third party streaming server is further configured to:
decoding the first video stream by using the video decoder to obtain original video data;
and recoding the original video data to obtain a second video stream.
Further, the third party streaming server is further configured to:
decoding the first audio stream by using the audio decoder to obtain original audio data;
resampling the original audio data to obtain target audio data;
and recoding the target audio data to obtain a second video stream.
Further, the third party streaming server is further configured to:
transmitting the second video stream to a streaming media video server;
and sending the second audio stream to a streaming media audio server.
In a third aspect, to achieve the above object, the present application provides a computer readable storage medium having stored thereon a computer program, which when executed by a processor, implements the steps of any one of the streaming live method of the first aspect that can receive third party push.
In a fourth aspect, to achieve the above object, the present application provides a computer device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor executes the program to implement the steps of any one of the streaming live broadcast methods of the first aspect that can receive third party push streams.
As can be seen from the above technical solutions, in the method and system for live streaming capable of receiving third-party push stream provided by the embodiments of the present application, a start instruction and a push stream address sent by a third-party streaming management server are obtained through THC; if the push address is valid, acquiring corresponding streaming media data according to the push address; the streaming media data is unpacked to obtain original information and bare streaming data, and a video decoder and an audio decoder are obtained; carrying out track division on the bare stream data according to the original information to obtain a first video stream and a first audio stream; recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream; and sending the second video stream to a streaming media video server, and sending the second audio stream to the streaming media audio server to realize third-party push stream service.
According to the method, the third party RTMP plug flow is added to access the service of the existing platform, the service is accessed to enable all users in the same room to watch the plug flow content only by one RTMP plug flow tool, functions and use scenes of the existing platform are expanded, and the service has the characteristics of being low in time delay, good in image quality and the like, and the users can conveniently access the existing platform. According to the method, THS (third-party streaming media management server) is newly added on the basis of not changing PVS (streaming media video server), PCS (streaming media audio server) or DCBS (streaming media video live broadcast server) of an original system, THC (third-party streaming media server) service is processed, RTMP streaming media is accessed to the original service.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic flow chart of a streaming media live broadcast method capable of receiving third party push flow according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a conventional streaming media live broadcast system;
fig. 3 is a schematic structural diagram of a streaming media live broadcast system capable of receiving third party push stream according to an embodiment of the present application.
Detailed Description
The features and advantages of the present application will become more apparent and clear from the following detailed description of the application.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In the description of the present application, it should be noted that the terms "upper," "lower," "inner," "outer," "front," "rear," "left," and "right," etc. indicate orientations or positional relationships based on the orientations or positional relationships in the working state of the present application, and are merely used for convenience in describing the present application and simplifying the description, and do not indicate or imply that the system or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The applicant finds that the existing streaming media live broadcast system does not support the access of the push service of the third party, so that the existing system has a certain limitation.
In order to solve the above-mentioned problems, the present application provides a method for live streaming media capable of receiving third-party push streams, and fig. 1 is a schematic flow diagram of a method for live streaming media capable of receiving third-party push streams, as shown in fig. 1, where the method includes steps S101 to S105.
S101: and acquiring a starting instruction and a push address sent by the third-party streaming media management server.
As shown in fig. 2, the existing streaming live broadcast system includes a streaming video server (PVS), a streaming audio server (PCS), or a streaming live video server (DCBS), which does not support access of a push service of a third party.
According to the method, a third-party streaming media management server (THS) and a third-party streaming media server (THC) are newly added on the basis of not changing an original system streaming media video server (PVS), a streaming media audio server (PCS) or a streaming media live broadcast server (DCBS), RTMP streaming media is processed, and original services are accessed.
When a user (IPAD end) enters a room and starts RTMP pushing tool pushing, the IPAD end sends information such as the room and pushing address of the user to the THS server, and the THS service starts THC service after receiving the information and establishes TCP connection with the THC service.
If the THS and the THC are combined into a service, after the number of live rooms is increased, the time delay of the watching picture of the user and the push picture of the push end is longer and longer, and the internal logic is complicated, so that the processing of the audio and video can not be more efficient. In the present application, the THS and the THCs use a multi-process architecture, one THS service corresponds to a plurality of THCs, and when a user ends pushing or exits from a room, the THS sends an end packet to the THCs to end the THCs.
S102: and if the push address is valid, acquiring corresponding streaming media data according to the push address.
After the third-party streaming media server (THC) obtains the start instruction and the push address sent by the third-party streaming media management server, judging whether the push address is effective, namely whether the data stream can be obtained through the push address, if so, firstly judging whether the rtmp address is correct or whether the rtmp address can be pulled to the data stream, wherein the rtmp address format is rtmp/ip address 1935/room number/, and if the address is correct, obtaining the corresponding streaming media data through the push address.
S103: and de-packaging the streaming media data to obtain the original information and the bare streaming data, and obtaining a video decoder and an audio decoder.
In specific implementation, after obtaining the streaming media data, the third party streaming media server (THC) performs a decapsulation operation on the streaming media data, obtains the original information and the bare streaming data, and obtains a video decoder and an audio decoder to prepare for the next track splitting step. For example, the original video format (such as h 264), the code rate, the resolution, etc. are obtained, the original audio format (such as aac), the sampling rate, the code rate, etc. are obtained, and in addition, the track dividing parameters of the video stream and the audio stream are obtained.
S104: and carrying out track division on the bare stream data according to the original information to obtain a first video stream and a first audio stream.
In implementation, the track division is performed on the bare stream data according to the original information to obtain a first video stream and a first audio stream, which includes:
s401: reading the bare stream data to obtain a first video stream and a first audio stream;
s402: and storing the first video stream in a first queue, and storing the first audio stream in a second queue.
When the THC processes the audio and video streams, the THC performs track-dividing processing on the obtained bare stream data, and stores the audio stream and the video stream in two queues respectively, so that the THC has independent operation flows when processing the audio and the video. In the process, a small part of data packets can be discarded, and a certain delay is added, so that the purpose is to eliminate jitter of video streams and improve experience of users.
S105: and recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream.
The THC may also perform operations such as cropping, format conversion, re-encoding, etc. on the split video stream, and resampling, re-encoding, etc. on the audio stream.
Recoding the first video stream to obtain a second video stream, including:
s501: decoding the first video stream by using the video decoder to obtain original video data;
s502: and recoding the original video data to obtain a second video stream.
Recoding the first audio stream to obtain a second audio stream, and further comprising:
s503: decoding the first audio stream by using the audio decoder to obtain original audio data;
s504: resampling the original audio data to obtain target audio data;
s505: and recoding the target audio data to obtain a second video stream.
If the video stream data packet is decoded into an original frame (YUV 420P) after being read, the original frame is encoded into an h264 format, the code rate is 1300, and the resolution is unchanged.
The audio data is resampled when decoding the obtained audio data packet, and the original audio is resampled into an original pcm file with the sampling rate of 16000kHz, the channel number of 1 and the code rate unchanged. And recoding the original pcm file into the silk audio, wherein the number of channels is 1, and the sampling rate is 16000.
In the implementation, operations such as clipping, scaling and format conversion are performed on the video in the video operation flow, and resampling is performed on the audio in the audio operation flow, so that the two flows are not interfered with each other. The video stream data is re-encoded into two resolution sizes when it is processed to accommodate the viewing effect of the user when the network conditions are not good.
The THS-THC service can efficiently access the RTMP stream into the existing platform, and the characteristics of low delay, smooth picture, clear video and the like of pictures at the live broadcast end and the push stream end are realized.
The THS-THC service room uses a multi-process structure architecture, a multi-thread structure is used in the THC, and one THS service controls a plurality of THC services, so that two services have clear modules, the coupling degree is low, and the audio and video processing efficiency is high.
In an implementation, after recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream, the method further includes:
s106: transmitting the second video stream to a streaming media video server; and sending the second audio stream to a streaming media audio server.
In specific implementation, the THC pushes the audio and video streams to the PVS and the PCS respectively through the RTP protocol, the 39 workstation subscribes to the PVS and the PCS for the streaming media processed by the THC service, then the PVS and the PCS push the respective audio and video streams to the DCBS, and finally the DCBS pushes the streaming media to the live broadcast end, and finally all users in the same room or users watching the live broadcast end can see the streaming media picture of the push stream end.
Corresponding to the embodiment of the streaming media live broadcast method capable of receiving the third-party push stream, the embodiment of the streaming media live broadcast system capable of supporting the multi-code stream is further provided. Referring to fig. 3, a schematic structural diagram of a streaming media live broadcast system capable of supporting multiple code streams according to an embodiment of the present application is provided, where the system includes:
the streaming media video server, the streaming media audio server and the streaming media video live broadcast server further comprise: the system comprises a third-party streaming media management server and a third-party streaming media server, wherein the third-party streaming media server is used for:
acquiring a starting instruction and a push address sent by a third-party streaming media management server;
if the push address is valid, acquiring corresponding streaming media data according to the push address;
the streaming media data is unpacked to obtain original information and bare streaming data, and a video decoder and an audio decoder are obtained;
carrying out track division on the bare stream data according to the original information to obtain a first video stream and a first audio stream;
and recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream.
Further, the third party streaming server is further configured to:
reading the bare stream data to obtain a first video stream and a first audio stream;
and storing the first video stream in a first queue, and storing the first audio stream in a second queue.
Further, the third party streaming server is further configured to:
decoding the first video stream by using the video decoder to obtain original video data;
and recoding the original video data to obtain a second video stream.
Further, the third party streaming server is further configured to:
decoding the first audio stream by using the audio decoder to obtain original audio data;
resampling the original audio data to obtain target audio data;
and recoding the target audio data to obtain a second video stream.
Further, the third party streaming server is further configured to:
transmitting the second video stream to a streaming media video server;
and sending the second audio stream to a streaming media audio server.
The application provides a streaming media live broadcast method and a streaming media live broadcast system capable of receiving third-party push stream, wherein a starting instruction and a push stream address sent by a third-party streaming media management server are obtained through THC; if the push address is valid, acquiring corresponding streaming media data according to the push address; the streaming media data is unpacked to obtain original information and bare streaming data, and a video decoder and an audio decoder are obtained; carrying out track division on the bare stream data according to the original information to obtain a first video stream and a first audio stream; recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream; and the second video stream is sent to the streaming media video server, the second audio stream is sent to the streaming media audio server to realize third-party push streaming service, the functions and the use scene of the existing platform are expanded, and the service has the characteristics of low delay, good image quality and the like, and a user can conveniently access the existing platform.
According to the streaming media live broadcast method capable of receiving the third-party push stream, the embodiment of the application also provides a readable storage medium and a computer device. The readable storage medium stores an executable program which when executed by a processor realizes the steps of the streaming media live broadcast method capable of receiving the third party push stream; the computer equipment comprises a memory, a processor and an executable program which is stored in the memory and can run on the processor, wherein the steps of the streaming media live broadcast method capable of receiving the third party push stream are realized when the processor executes the program.
The foregoing detailed description has been provided for the purposes of illustration in connection with specific embodiments and exemplary examples, but such description is not to be construed as limiting the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications and improvements may be made to the technical solution of the present application and its embodiments without departing from the spirit and scope of the present application, and these all fall within the scope of the present application. The scope of the application is defined by the appended claims.
Claims (6)
1. A streaming media live broadcast method capable of receiving third party push stream, the method comprising:
a third-party streaming media management server and a third-party streaming media server are newly added on the basis of a streaming media video live broadcast server, a multi-process architecture is arranged between the third-party streaming media management server and the third-party streaming media server, and the third-party streaming media management server and the third-party streaming media server are in a one-to-many relationship;
the third party streaming media server obtains a starting instruction and a push address sent by the third party streaming media management server;
if the push address is valid, acquiring corresponding streaming media data according to the push address; the streaming media data is unpacked to obtain original information and bare streaming data, and a video decoder and an audio decoder are obtained;
the naked stream data is subjected to track division according to the original information to obtain a first video stream and a first audio stream, and the method comprises the following steps:
reading the bare stream data to obtain a first video stream and a first audio stream;
storing the first video stream in a first queue, and storing the first audio stream in a second queue;
recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream, including:
decoding the first video stream by using the video decoder to obtain original video data; and recoding the original video data to obtain a second video stream, wherein the second video stream comprises recoded data with two resolution sizes and is used for adapting to different network condition effects.
2. The method for live streaming media capable of receiving third-party push streams according to claim 1, wherein recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream, further comprises:
decoding the first audio stream by using the audio decoder to obtain original audio data;
resampling the original audio data to obtain target audio data;
recoding the target audio data to obtain a second audio stream.
3. The method for live streaming media capable of receiving a third party push stream according to claim 1, wherein after recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream, further comprising: transmitting the second video stream to a streaming media video server; and sending the second audio stream to a streaming media audio server.
4. A streaming media live broadcast system capable of receiving third-party push streams, the system comprising a streaming media video server, a streaming media audio server and a streaming media video live broadcast server, the system further comprising:
the system comprises a third-party streaming media management server and a third-party streaming media server, wherein the third-party streaming media server is used for: acquiring a starting instruction and a push address sent by a third-party streaming media management server;
if the push address is valid, acquiring corresponding streaming media data according to the push address;
a multi-process architecture is arranged between the third-party streaming media management server and the third-party streaming media server, and the third-party streaming media management server and the third-party streaming media server are in one-to-many relation;
the streaming media data is unpacked to obtain original information and bare streaming data, and a video decoder and an audio decoder are obtained;
carrying out track division on the bare stream data according to the original information to obtain a first video stream and a first audio stream;
storing the first video stream in a first queue, and storing the first audio stream in a second queue;
recoding the first video stream and the first audio stream to obtain a second video stream and a second audio stream, including: decoding the first video stream by using the video decoder to obtain original video data; and recoding the original video data to obtain a second video stream, wherein the second video stream comprises recoded data with two resolution sizes and is used for adapting to different network condition effects.
5. The streaming live broadcast system of claim 4, wherein the third party streaming server is further configured to: decoding the first audio stream by using the audio decoder to obtain original audio data;
resampling the original audio data to obtain target audio data;
recoding the target audio data to obtain a second audio stream.
6. The streaming live broadcast system of claim 4, wherein the third party streaming server is further configured to: transmitting the second video stream to a streaming media video server;
and sending the second audio stream to a streaming media audio server.
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| CN113778856B (en) * | 2021-07-27 | 2023-12-08 | 浙江大学 | APP detection method and system based on stream media semantic server |
| CN115278279A (en) * | 2022-07-06 | 2022-11-01 | 海南乾唐视联信息技术有限公司 | Audio and video data processing method and system |
| CN115379252A (en) * | 2022-08-19 | 2022-11-22 | 深圳锋芒信息技术有限公司 | Live broadcast stream pushing method, device, equipment and storage medium |
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