CN107302703A - Audio and video playing method and device - Google Patents
Audio and video playing method and device Download PDFInfo
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- CN107302703A CN107302703A CN201610235642.9A CN201610235642A CN107302703A CN 107302703 A CN107302703 A CN 107302703A CN 201610235642 A CN201610235642 A CN 201610235642A CN 107302703 A CN107302703 A CN 107302703A
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000009434 installation Methods 0.000 claims description 34
- 238000012545 processing Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000003993 interaction Effects 0.000 description 12
- 238000004891 communication Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
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- 239000007787 solid Substances 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- Physics & Mathematics (AREA)
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- General Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of audio and video playing method, video terminal is connected by preset interface with external device, when receiving the audio-video document to be decoded that other video terminals are sent, the video terminal is sent the audio-video document to be decoded to the external device by the preset interface, so that the external device is decoded to the audio-video document to be decoded and by the audio, video data after the preset interface feedback decoding, wherein, decoding capability of the decoding capability of the external device higher than the hardware device that the video terminal is installed；When receiving the decoded audio, video data of the external device feedback, the corresponding audio frequency and video of the audio, video data are played according to decoded audio, video data.The invention also discloses a kind of audio and video display device.Present invention reduces the cost of video terminal playing audio-video.
Description
Technical field
The present invention relates to multimedia technology field, more particularly to a kind of audio and video playing method and device.
Background technology
With the development of multimedia technology, the application of video terminal is more and more extensive, such as video conference terminal,
Present video conference terminal includes the conventional terminal device such as mobile phone, flat board, PC, due to terminal device
Hardware device be changeless, corresponding video conference terminal is also solid to the decoding capability of audio frequency and video
It is fixed constant, wherein, decoding capability represent can from video file reproducing video original appearance ability.If
User thinks that the distortion of audio frequency and video is larger, explanation when carrying out audio and video playing using video conference terminal
The decoding capability of the video conference terminal is poor, if it is desired to the decoding capability for the video conference terminal of upgrading,
It is accomplished by the hardware device of the video conference terminal being substituted for the stronger hardware device of decoding capability, it is clear that
This audio and video playing mode, the cost consumed is larger.
The content of the invention
It is a primary object of the present invention to propose a kind of audio and video playing method and device, it is intended to solve present
Decoding of the video conference terminal to audio frequency and video, the larger technical problem of the cost that is consumed.
To achieve the above object, a kind of audio and video playing method that the present invention is provided, video terminal passes through pre-
If interface is connected with external device, the audio and video playing method includes：
When receiving the audio-video document to be decoded that other video terminals are sent, the video terminal passes through
The preset interface sends the audio-video document to be decoded to the external device, for described external
Equipment is decoded to the audio-video document to be decoded and by the sound after the preset interface feedback decoding
Video data, wherein, the decoding capability of the external device is set higher than the hardware that the video terminal is installed
Standby decoding capability；
When receiving the decoded audio, video data of the external device feedback, according to decoded sound
Video data plays the corresponding audio frequency and video of the audio, video data.
Preferably, the video terminal is connected by USB interface or network card interface with the external device
Connect.
Preferably, the audio and video playing method also includes：
In the connection procedure of the video terminal and the external device, the video terminal will be described outer
The decoding capability for installing the hardware device that standby decoding capability is installed with the video terminal is compared；
In the decoding capability of hardware device of the decoding capability higher than installation of the external device, if receiving
The audio-video document to be decoded sent to other video terminals, performs the video terminal and passes through described preset
The step of interface sends the audio-video document to be decoded to the external device；
It is described to regard in the decoding capability of hardware device of the decoding capability less than installation of the external device
Frequency terminal disconnects the connection with the external device, and outputting alarm information.
Preferably, it is described to receive it when audio-video document to be decoded includes multiple audio-video documents
During the audio-video document to be decoded that its video terminal is sent, the audio and video playing method also includes；
Each video file to be decoded is respectively sent to the external device and installation by the video terminal
The hardware device in, so that the external device and the hardware device are regarded to the sound to be decoded
Frequency file decode and the audio, video data after feedback decoding.
Preferably, the audio and video playing method also includes；
The video terminal shows the prompting letter of the connected external device in default viewing area
Breath, wherein, the prompt message includes the identification information of the external device, and the external device
The corresponding parameter information of decoding capability.
In addition, to achieve the above object, the present invention also proposes a kind of audio and video display device, and the sound is regarded
Frequency playing device is connected by preset interface with external device, and the audio and video display device includes：
Sending module, for when receiving the audio-video document to be decoded that other video terminals are sent, leading to
Cross the preset interface to send the audio-video document to be decoded to the external device, for described outer
Install it is standby the audio-video document to be decoded is decoded and by the preset interface feedback decoding after
Audio, video data, wherein, the decoding capability of the external device is higher than the hardware that the video terminal is installed
The decoding capability of equipment；
Playing module, for when receiving the decoded audio, video data of external device feedback,
The corresponding audio frequency and video of the audio, video data are played according to decoded audio, video data.
Preferably, the audio and video display device passes through USB interface or network card interface and the external device
It is attached.
Preferably, the audio and video display device also includes：
Comparing module, in the connection procedure of the audio and video display device and the external device,
The decoding capability for the hardware device that the decoding capability of the external device and the video terminal are installed is carried out
Compare；
The sending module, is additionally operable to the decoding capability in the external device higher than the hardware device installed
Decoding capability when, if the audio-video document to be decoded that other video terminals are sent is received, by described
Preset interface sends the audio-video document to be decoded to the external device；
Processing module, the decoding for the decoding capability in the external device less than the hardware device installed
During ability, the connection with the external device, and outputting alarm information are disconnected.
Preferably, the sending module, is additionally operable to include multiple audio frequency and video text in audio-video document to be decoded
During part, each video file to be decoded is respectively sent to the external device and the hardware of installation
In equipment, so that the external device and the hardware device are carried out to the audio-video document to be decoded
Decode and the audio, video data after feedback decoding.
Preferably, the audio and video display device also includes；
Display module, the prompting for showing the connected external device in default viewing area
Information, wherein, the prompt message includes the identification information of the external device, and described outer installs
The corresponding parameter information of standby decoding capability.
Audio and video playing method and device proposed by the present invention, the feelings being connected in video terminal with external device
Under condition, audio-video document to be decoded is sent to the external device by preset interface, wherein, it is described
The decoding capability of external device is higher than the decoding capability for the hardware device that the video terminal is installed, for institute
External device is stated to decode the audio-video document to be decoded and by the preset interface feedback decoding
Audio, video data afterwards, when receiving the decoded audio, video data of the external device feedback, root
The corresponding audio frequency and video of the audio, video data are played according to decoded audio, video data, video terminal is realized
Decoding capability it is relatively low when, by decoding capability higher than video terminal decoding capability external device carry out
The decoding of audio-video document, and without replacing hardware device, so that reducing video terminal carries out audio frequency and video
The cost of broadcasting.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of audio and video playing method first embodiment of the present invention；
Fig. 2 is the structural representation of external device in the present invention；
The structural representation that Fig. 3 interacts for video terminal in the present invention with external device；
Fig. 4 is the high-level schematic functional block diagram of audio and video display device first embodiment of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be done further referring to the drawings in conjunction with the embodiments
Explanation.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, limit is not used to
The fixed present invention.
The present invention provides a kind of audio and video playing method.
Reference picture 1, Fig. 1 is the schematic flow sheet of audio and video playing method first embodiment of the present invention.
The present embodiment proposes a kind of audio and video playing method, and video terminal passes through preset interface and external device
Connection, the audio and video playing method includes：
Step S10, when receiving the audio-video document to be decoded that other video terminals are sent, the video
Terminal is sent the audio-video document to be decoded to the external device by the preset interface, for
The external device is decoded to the audio-video document to be decoded and fed back by the preset interface and solved
Audio, video data after code, wherein, the decoding capability of the external device is installed higher than the video terminal
Hardware device decoding capability；
In the present embodiment, video terminal is first connected by preset interface with external device, and the video
Terminal includes by way of preset interface is connected with the external device：
The video terminal is attached by USB interface with the external device；I.e. described video terminal
Can outside it be installed with described by general USB (Universal Serial Bus, USB) interfaces
It is standby to be attached, it is to be understood that video terminal is connected by the USB interface and external device
Connect, it is not necessary to extra connecting interface or cable, it is easy to use, plug and play, user can be accomplished
Any extra complex operations need not be carried out, convenience is high.
Or, the video terminal is communicated to connect by network card interface and the external device, and described is regarded
When frequency terminal is communicatively coupled by network card interface and the external device, including wire communication or wireless
Communicate (such as WIFI) two ways, improves the flexibility of communication connection.
In the present embodiment, the external device be multi-media decoding and encoding capability enhancing equipment, reference picture 2,
The external device is embodied in a hardware box, and cassette interior hardware includes：Host processor chip,
It is responsible for the control logic on external device, and controls the interaction of other chips and video terminal；At audio
Chip is managed, is responsible for the audio frequency process on external device, is mainly responsible for the coding and decoding to voice data,
And interacted by host processor chip and video terminal；Video frequency processing chip, is responsible for regarding on external device
Frequency is handled, the main coding and decoding being responsible for video data, and whole by host processor chip and video
End interaction；Program storage chip, including Flash (Flash EEPROM Memory, a kind of storage chip,
Also referred to as flash memory) and ddr (internal memory) two parts, it is the routine data storage of the external device and runs
Chip；There is provided the USB interface ability of the external device for USB interface chip；It can in addition contain add
Card of surfing Internet chip, the extension of external interface is carried out to the external device, to support to pass through wireless or have
Gauze network and video terminal are communicatively coupled.It is understood that the external device in the present embodiment is adopted
Designed with integrated hardware, by the multi-media processing chip and USB general-purpose interfaces or network card interface collection of specialty
There is provided into the mode for being designed to a portable hardware box, with easy to carry, plug and play,
Using it is simple the features such as.
In the present embodiment, the video terminal is by realtime graphic, voice and the correlation of a certain meeting point
Data message be acquired, compressed encoding, multiplex (i.e. one channel simultaneous transmission multiple signals)
Other video terminals are sent to by transmission channel afterwards, and can receive image that other video terminals send,
Voice-and-data information is decomposed, decoded, and is reduced into image, the end of voice-and-data in other side meeting-place
End, i.e., the video terminal in the present embodiment represents video conference terminal.The TV news terminal bag
Two kinds of Software Video Conference System terminal and hardware video conference terminal are included, wherein, Software Video Conference System terminal is
A kind of Software Videoconferencing System that may operate on general-purpose terminal device, can provide video conference whole
The repertoire at end；And hardware video conference terminal is a kind of hardware device dedicated for video conference,
Hardware design is carried out using the multi-media processing chip of specialty, the one kind that can provide video conference function is set
It is standby., can be with from Fig. 3 and the structure connection figure of the video terminal and the external device can refer to Fig. 3
Be seen to be, the video terminal in the present embodiment preferably include video acquisition module, audio collection module,
Audio coding decoding module, coding and decoding video module and display module, that is to say, that the video terminal is not
Audio-video document to be decoded can be only sent to external device and be decoded, can also will gather audio frequency and video
Data, and the audio, video data of collection is transmitted to the external device, so that the external device is carried out
Coding, specific mode of operation is described in detail in the fourth embodiment.
In the present embodiment, external device institute at one end in, the external device and the video terminal
After connection, first built-in software systems are started, the connection of USB interface or network card interface is then detected
State, sets up software connection if current connected with video terminal, and after successful connection with
The video terminal interacts the transmission of agreement, is assisted with the parameter information for decoding it ability by interaction
View is transmitted to video terminal, and in interaction success, into ready state, waits audio, video data to be received
Decoded.
In the present embodiment, when receiving the audio-video document to be decoded that other video terminals are sent, institute
State video terminal and sent the audio-video document to be decoded to described by the preset interface and outer install
It is standby, the audio-video document to be decoded is decoded for the external device and connect by described preset
Audio, video data after mouth feedback decoding, specifically, the external device passes through preset Video processing core
Piece and audio processing chip are decoded to the audio-video document, and decoded audio, video data is led to
Cross the preset interface and feed back to the video terminal.
Step S20, when receiving the decoded audio, video data of the external device feedback, according to solution
Audio, video data after code plays the corresponding audio frequency and video of the audio, video data.
In the present embodiment, when receiving the decoded audio, video data of the external device feedback,
The corresponding audio frequency and video of the audio, video data can be played according to decoded audio, video data.It is appreciated that
, external device can be pulled up after the completion of video communication, now, the video terminal with it is described
The video communication of external device terminates.
The audio and video playing method that the present embodiment is proposed, in the case where video terminal is connected with external device,
Audio-video document to be decoded is sent to the external device by preset interface, wherein, it is described to install outside
Standby decoding capability is higher than the decoding capability for the hardware device that the video terminal is installed, for described external
Equipment is decoded to the audio-video document to be decoded and by the sound after the preset interface feedback decoding
Video data, when receiving the decoded audio, video data of the external device feedback, according to decoding
Audio, video data afterwards plays the corresponding audio frequency and video of the audio, video data, realizes the decoding of video terminal
When ability is relatively low, the external device by decoding capability higher than the decoding capability of video terminal carries out audio frequency and video
The decoding of file, and without replacing hardware device, so that reducing video terminal carries out audio and video playing
Cost.
Further, in order to improve the intelligent of audio and video playing, the present invention is proposed based on first embodiment
The second embodiment of audio and video playing method, in the present embodiment, the audio and video playing method includes：
In the connection procedure of the video terminal and the external device, the video terminal will be described outer
The decoding capability for installing the hardware device that standby decoding capability is installed with the video terminal is compared；
In the decoding capability of hardware device of the decoding capability higher than installation of the external device, if receiving
The audio-video document to be decoded sent to other video terminals, performs the video terminal and passes through described preset
The step of interface sends the audio-video document to be decoded to the external device；
It is described to regard in the decoding capability of hardware device of the decoding capability less than installation of the external device
Frequency terminal disconnects the connection with the external device, and outputting alarm information.
In the present embodiment, it is described to regard in the connection procedure of the video terminal and the external device
Frequency terminal first recognizes the decoding capability of the external device, it is to be understood that can decoding capability is represented
The ability of reproducing video original appearance from video file, and the parameter information such as decoding capability and code check is relevant, code
Rate is higher, then decoding capability is stronger, therefore, in the connection of the video terminal and the external device
Cheng Zhong, the video terminal first recognizes the code check in the external device, specifically can be by interaction protocol
The parameter information of output is identified, i.e., described video terminal is entered by interaction protocol with the external device
The transmission of the parameter information of row agreement, to determine the decoding capability of the external device from the agreement of transmission.
It is determined that after the decoding capability of the external device, the decoding capability of the external device is regarded with described
The decoding capability for the hardware device that frequency terminal is installed is compared, and specific alignments are will be described external
The code check of hardware device of the code check of equipment with installing is compared, to determine the external device and installation
The hardware device decoding capability magnitude relationship.It is higher than institute in the decoding capability of the external device
During the decoding capability for the hardware device for stating video terminal installation, if receiving treating for other video terminals transmissions
Audio-video document is decoded, the audio-video document to be decoded is passed through the preset interface by the video terminal
Send to the external device, so that the external device is decoded to the audio-video document to be decoded
And pass through the audio, video data after the preset interface feedback decoding.And in the decoding energy of the external device
When power is less than the decoding capability for the hardware device installed, illustrate that the external device does not meet audio-video document
Decoding request, now, the video terminal disconnects the annexation with the external device, and exports
Warning information, is such as exported：The text information such as " not connected external device " or " connection is already off ", or
Person is the sound of blowing a whistle for exporting preset duration such as 5S, or by flashing the default LED of the video terminal
Lamp.
In the present embodiment, by detecting the decoding capability of external device and the decoding capability of hardware device,
And in the decoding capability of hardware device of the decoding capability less than installation of the external device, disconnect and institute
State the annexation of external device, and outputting alarm information, it is therefore prevented that the decoding energy of the external device of connection
When the decoding of power and video terminal is also low, decoding operate is still carried out, so as to improve the intelligence of video decoding
Can property.
Certainly, in solution of the decoding capability less than or equal to the hardware device installed of the external device
During code ability, the annexation of the video terminal and the external device, the video terminal are not turned off
The audio-video document to be decoded is decoded by the hardware device of installation, to obtain after decoding
Audio, video data, and the corresponding sound of the audio, video data played according to decoded audio, video data regarded
Frequently.
That is, when the decoding capability of the external device is less than the decoding capability of the video terminal,
Now, the preferential video terminal strong using decoding capability is decoded, so as to improve audio/video decoding
Flexibility, certainly, does not turn off the annexation of the video terminal and the external device first now, after
Continue when audio-video document to be decoded includes multiple audio-video documents, solution can be shared by the external device
Code operation, reduces the processing pressure of video terminal.
Further, in order to improve the flexibility of audio and video playing, the present invention is proposed based on first embodiment
The 3rd embodiment of audio and video playing method, in the present embodiment, includes multiple in audio-video document to be decoded
During audio-video document, the audio and video playing method also includes：
Each video file to be decoded is respectively sent to the external device and installation by the video terminal
The hardware device in, so that the external device and the hardware device are regarded to the sound to be decoded
Frequency file decode and the audio, video data after feedback decoding.
In the present embodiment, when audio-video document to be decoded includes multiple audio-video documents, i.e., now connect
The audio-video document to be decoded that multiple video terminals are sent is received, or receives same video terminal
The multiple video files sent successively, now, the video terminal distinguish each video file to be decoded
Send into the external device and the hardware device of installation, specific sending method can be：
The quantity of audio-video document to be decoded is divided into two parts, by respectively by two-part video to be decoded
File is respectively sent in the hardware device of the external device and installation, is installed outside for described
The audio-video document to be decoded is decoded standby and described hardware device and the sound after feedback decoding is regarded
Frequency evidence.
Or, disposable poll sends each video file to be decoded to the external device and installation
The hardware device in, so that the external device and the hardware device are regarded to the sound to be decoded
Frequency file decode and the audio, video data after feedback decoding.
Or, by each video file storage to be decoded into transmit queue, carried successively from transmit queue
Take audio-video document to be decoded to send into the equipment of current idle, and when another equipment is idle again from
Extract audio-video document to be decoded in transmit queue to send into the equipment of current idle, for example, current outer
Install to decode previous audio-video document to be decoded, and the hardware of the video terminal is set
It is standby to be in idle condition, now, if receiving audio-video document to be decoded again, by treating for receiving again
Decoding audio-video document, which is sent into the hardware device of the video terminal, to be decoded.
Further, default allocation strategy can be also obtained, the allocation strategy is carried out as the case may be
Set, including three kinds of sending methods described above, in addition to：A, determine to wrap in the waiting list of equipment
The number of the audio-video document to be decoded contained, and the audio frequency and video to be decoded received again are sent to two
In waiting list in the few queue of number；B, the priority determined in the waiting list of equipment, and will again
The audio-video document to be decoded received is sent into two waiting lists in the high queue of priority, wherein,
The occupancy of processor is bigger in equipment, and priority is accordingly reduced, that is to say, that solve treating of receiving
Code audio-video document is sent in the relatively low equipment of the occupancy of processor.And the video terminal is being obtained
After default allocation strategy, according to the allocation strategy of acquisition, you can by each video text to be decoded
Part is respectively sent in the hardware device of the external device and installation, for the external device
And the hardware device to the audio-video document to be decoded decode and the audio frequency and video after feedback decoding
Data, the final video terminal plays the audio, video data correspondence according to decoded audio, video data
Audio frequency and video.
In the present embodiment, when audio-video document to be decoded includes multiple audio-video documents, each is treated
Decoding video file is sent into the external device and the hardware device of installation, rather than will be treated
Decoding audio-video document is all sent to be decoded into the hardware device of external device or video terminal, and
It is the mode of dynamic regulation decoding, reduces the processor of the external device or the hardware device
Processing pressure, the decoding for also improving audio-video document is intelligent.
Further, the audio and video playing method also includes；
The video terminal shows the prompting letter of the connected external device in default viewing area
Breath, wherein, the prompt message includes the identification information of the external device, and the external device
The corresponding parameter information of decoding capability, the parameter information is decoding capability correspondence code check, is such as existed
Default viewing area shows the corresponding numerical value of code check.Further, the parameter information may also include point
Resolution, similarly, in the corresponding numerical value of default viewing area display resolution.It is worth noting that, institute
The prompt message that video terminal shows the connected external device in default viewing area is stated, can
To be shown or be connected with the connection procedure of the external device in the video terminal
After success, i.e., audio-video document to be decoded is sent to the external device, and receives and described install outside
Shown during the decoded audio, video data of standby feedback.
Process can be seen that the present invention and propose a kind of use of novel video terminal from the description above
Scene, i.e., be limited to terminal hardware it is limited in one's ability in the case of, it is not necessary to replace the situation of hardware device
Under, a kind of mode of the multi-media decoding and encoding capability of fast lifting video conference terminal hardware, with using
It is convenient, easy to use, save cost the advantages of
Further, in order to improve the flexibility of audio and video playing, implement based on first, second, third
Example proposes the fourth embodiment of audio and video playing method of the present invention, in the present embodiment, the video terminal
Communication means also includes；
The video terminal gathers audio, video data to be encoded, and by the preset interface by sound to be encoded
Video data transmitting delivers to the external device, so that the external device is to the audio, video data to be encoded
Encoded and by the audio-video document after the preset interface feedback encoding, wherein, it is described to install outside
Code capacity of the standby code capacity higher than the hardware device that the video terminal is installed；
In the audio-video document after receiving the coding of the external device feedback, the sound after coding is regarded
Frequency file is sent to other video terminals.
Further, in the hardware device of the code capacity less than or equal to installation of the external device
Code capacity when, the video conference terminal is by the hardware device to the audio frequency and video number to be encoded
According to being encoded, with the audio-video document after being encoded, and by the audio-video document after coding send to
Other video terminals.
Further, when audio, video data to be encoded includes multiple audio, video datas, the video terminal
Each audio, video data to be encoded is respectively sent to the external device and the hardware device of installation
In, so that the external device and the hardware device are encoded and fed back to the audio, video data
Audio, video data after coding.
Further, in the present embodiment, several hardware chips described in the external device, may be used also
Realized by software, external device dress even can also directly include acquisition chip of audio frequency and video etc.,
Not only realize that the audio, video data that video terminal is sent is performed the encoding operation, can also be adopted by acquisition chip
Collect audio, video data, directly to be encoded to audio, video data.
, can the invention provides a kind of method for directly carrying out capacity upgrade to the decoding capability of video terminal
It is that user saves replacing new clothes easily to carry out the upgrading of hardware capabilities to the existing video terminal of user
Standby cost, and the external device that the present invention is provided uses general USB interface and video conference terminal
Be attached, it is convenient to use, especially for using general terminal device for example mobile phone, flat board,
PC etc. installs the usage scenario of Software Video Conference System, due to the hardware multimedia capabilities phase of general-purpose terminal device
It is weaker for professional video conference terminal, therefore, by the invention it is possible to quickly lift user software
The multi-media decoding and encoding capability of video conference.
The present invention further provides a kind of audio and video display device.
Reference picture 4, Fig. 4 is the high-level schematic functional block diagram of audio and video display device first embodiment of the present invention.
It is emphasized that it will be apparent to those skilled in the art that functional block diagram is only shown in Fig. 4
The exemplary plot of one preferred embodiment, those skilled in the art is around the audio and video playing dress shown in Fig. 4
The functional module put, the supplement of new functional module can be carried out easily；The title of each functional module is to make by oneself
Adopted title, is only used for aiding in each program function block for understanding the audio and video display device, is not used in restriction
Technical scheme, the core of technical solution of the present invention is, the functional module institute of each self-defined title
The function to be reached.
The present embodiment proposes a kind of audio and video display device, and the audio and video display device passes through preset interface
It is connected with external device, the audio and video display device includes：
Sending module 10, for when receiving the audio-video document to be decoded that other video terminals are sent,
The audio-video document to be decoded is sent to the external device, for described by the preset interface
External device the audio-video document to be decoded is decoded and by the preset interface feedback decoding after
Audio, video data, wherein, the decoding capability of the external device is hard higher than what the video terminal was installed
The decoding capability of part equipment；
In the present embodiment, the audio and video display device is first connected by preset interface with external device,
And the audio and video display device includes by way of preset interface is connected with the external device：
The audio and video display device is attached by USB interface with the external device；I.e. described sound
Video play device can pass through general USB (Universal Serial Bus, USB) interface
It is attached with the external device, it is to be understood that the audio and video display device passes through the USB
Interface is attached with external device, it is not necessary to extra connecting interface or cable, easy to use, can
To accomplish plug and play, user need not carry out any extra complex operations, and convenience is high.
Or, the audio and video display device is communicated to connect by network card interface and the external device, and
When the audio and video display device is communicatively coupled by network card interface and the external device, include
Line communicates or radio communication (such as WIFI) two ways, improves the flexibility of communication connection.
In the present embodiment, the external device be multi-media decoding and encoding capability enhancing equipment, reference picture 2,
The external device is embodied in a hardware box, and cassette interior hardware includes：Host processor chip,
It is responsible for the control logic on external device, and controls the interaction of other chips and video terminal；At audio
Chip is managed, is responsible for the audio frequency process on external device, is mainly responsible for the coding and decoding to voice data,
And interacted by host processor chip and video terminal；Video frequency processing chip, is responsible for regarding on external device
Frequency is handled, the main coding and decoding being responsible for video data, and whole by host processor chip and video
End interaction；Program storage chip, including Flash (Flash EEPROM Memory, a kind of storage chip,
Also referred to as flash memory) and ddr (internal memory) two parts, it is the routine data storage of the external device and runs
Chip；There is provided the USB interface ability of the external device for USB interface chip；It can in addition contain add
Card of surfing Internet chip, the extension of external interface is carried out to the external device, to support to pass through wireless or have
Gauze network and video terminal are communicatively coupled.It is understood that the external device in the present embodiment is adopted
Designed with integrated hardware, by the multi-media processing chip and USB general-purpose interfaces or network card interface collection of specialty
There is provided into the mode for being designed to a portable hardware box, with easy to carry, plug and play,
Using it is simple the features such as.
In the present embodiment, the audio and video display device is the video terminal, and the video terminal is
The data message of the realtime graphic of a certain meeting point, voice and correlation is acquired, compressed encoding is more
Other videos ends are sent to by transmission channel after road multiplexing (i.e. one channel simultaneous transmission multiple signals)
Hold, and the image of other video terminals transmissions, voice-and-data information can be received and decomposed, decoded,
It is reduced into the video terminal in the image in other side meeting-place, the terminal of voice-and-data, i.e. the present embodiment
Represent video conference terminal.The video conference terminal includes Software Video Conference System terminal and hardware video meeting
Two kinds of terminal is discussed, wherein, Software Video Conference System terminal is a kind of may operate on general-purpose terminal device
Software Videoconferencing System, can provide the repertoire of video conference terminal；And hardware video meeting is whole
End is a kind of hardware device dedicated for video conference, is carried out using the multi-media processing chip of specialty hard
Part is designed, and can provide a kind of equipment of video conference function.And the video terminal is installed outside with described
Standby structure connection figure can refer to Fig. 3, as can be seen from Figure 3 be, the video in the present embodiment is whole
End preferably includes video acquisition module, audio collection module, audio coding decoding module, coding and decoding video mould
Block and display module, that is to say, that the video terminal can not only send out audio-video document to be decoded
Deliver to external device to be decoded, can will also gather audio, video data, and the audio, video data of collection is passed
The external device is transported to, so that the external device is encoded, specific mode of operation is real the 4th
Apply in example and be described in detail.
In the present embodiment, external device institute at one end in, the external device and the video terminal
After connection, first built-in software systems are started, the connection of USB interface or network card interface is then detected
State, sets up software connection if current connected with video terminal, and after successful connection with
The video terminal interacts the transmission of agreement, is assisted with the parameter information for decoding it ability by interaction
View is transmitted to video terminal, and in interaction success, into ready state, waits audio, video data to be received
Decoded.
In the present embodiment, the sending module 10 is receiving the sound to be decoded that other video terminals are sent
During video file, the audio-video document to be decoded is sent to described by the preset interface and installed outside
It is standby, the audio-video document to be decoded is decoded for the external device and connect by described preset
Audio, video data after mouth feedback decoding, specifically, the external device passes through preset Video processing core
Piece and audio processing chip are decoded to the audio-video document, and decoded audio, video data is led to
Cross the preset interface and feed back to the video terminal.
Playing module 20, for when receiving the decoded audio, video data of external device feedback,
The corresponding audio frequency and video of the audio, video data are played according to decoded audio, video data.
In the present embodiment, when receiving the decoded audio, video data of the external device feedback,
The playing module 20 can play the corresponding sound of the audio, video data according to decoded audio, video data
Video.It is understood that external device can be pulled up after the completion of video communication, it is now, described
The video communication of video terminal and the external device terminates.
The audio and video display device that the present embodiment is proposed, in the case where video terminal is connected with external device,
Audio-video document to be decoded is sent to the external device by preset interface, wherein, it is described to install outside
Standby decoding capability is higher than the decoding capability for the hardware device that the video terminal is installed, for described external
Equipment is decoded to the audio-video document to be decoded and by the sound after the preset interface feedback decoding
Video data, when receiving the decoded audio, video data of the external device feedback, according to decoding
Audio, video data afterwards plays the corresponding audio frequency and video of the audio, video data, realizes the decoding of video terminal
When ability is relatively low, the external device by decoding capability higher than the decoding capability of video terminal carries out audio frequency and video
The decoding of file, and without replacing hardware device, so that reducing video terminal carries out audio and video playing
Cost.
Further, in order to improve the intelligent of audio and video playing, the present invention is proposed based on first embodiment
The second embodiment of audio and video display device, in the present embodiment, the audio and video display device includes：
Comparing module, in the connection procedure of the audio and video display device and the external device,
The decoding capability for the hardware device that the decoding capability of the external device and the video terminal are installed is carried out
Compare；
The sending module 10, is additionally operable to set higher than the hardware installed in the decoding capability of the external device
During standby decoding capability, if receiving the audio-video document to be decoded that other video terminals are sent, pass through institute
Preset interface is stated to send the audio-video document to be decoded to the external device；
Processing module, the decoding for the decoding capability in the external device less than the hardware device installed
During ability, the connection with the external device, and outputting alarm information are disconnected.
In the present embodiment, in the connection procedure of the video terminal and the external device, first recognize
The decoding capability of the external device, it is to be understood that can decoding capability is represented from video file
The ability of reproducing video original appearance, and the parameter information such as decoding capability and code check is relevant, code check is higher, then solves
Code ability is stronger, therefore, in the connection procedure of the video terminal and the external device, first recognizes
Code check in the external device, can be specifically identified by the parameter information exported in interaction protocol,
I.e. described video terminal carries out the transmission of the parameter information of agreement by interaction protocol and the external device,
To determine the decoding capability of the external device from the agreement of transmission.It is determined that the solution of the external device
After code ability, the comparing module installs the decoding capability of the external device and the video terminal
The decoding capability of hardware device be compared, specific alignments are by the code check of the external device
It is compared with the code check of the hardware device of installation, with the hardware for determining the external device with installing
The magnitude relationship of the decoding capability of equipment.It is higher than the video terminal in the decoding capability of the external device
During the decoding capability of the hardware device of installation, if receiving the audio frequency and video to be decoded that other video terminals are sent
File, the sending module 10 sends the audio-video document to be decoded to institute by the preset interface
External device is stated, so that the external device is decoded to the audio-video document to be decoded and by institute
The audio, video data after preset interface feedback decoding is stated, and is less than peace in the decoding capability of the external device
During the decoding capability of the hardware device of dress, illustrate the external device do not meet audio-video document decoding will
Ask, now, the processing module disconnects the annexation with the external device, and outputting alarm information,
As exported：The text information such as " not connected external device " or " connection is already off ", or output are pre-
If duration such as 5S sound of blowing a whistle, or by flashing the default LED of the video terminal.
In the present embodiment, by detecting the decoding capability of external device and the decoding capability of hardware device,
And in the decoding capability of hardware device of the decoding capability less than installation of the external device, disconnect and institute
State the annexation of external device, and outputting alarm information, it is therefore prevented that the decoding energy of the external device of connection
When the decoding of power and video terminal is also low, decoding operate is still carried out, so as to improve the intelligence of video decoding
Can property.
Certainly, the video play device also includes decoder module, for the decoding in the external device
Ability less than or equal to install the hardware device decoding capability when, do not turn off the video terminal with
The annexation of the external device, the decoder module is treated by the hardware device of installation to described
Decoding audio-video document is decoded, to obtain decoded audio, video data, and the playing module
20 play the corresponding audio frequency and video of the audio, video data according to decoded audio, video data.
That is, when the decoding capability of the external device is less than the decoding capability of the video terminal,
Now, the preferential video terminal strong using decoding capability is decoded, so as to improve audio/video decoding
Flexibility, certainly, now, the annexation of the video terminal and the external device is not turned off first,
Subsequently when audio-video document to be decoded includes multiple audio-video documents, it can be shared by the external device
Decoding operate, reduces the processing pressure of video terminal.
Further, in order to improve the flexibility of audio and video playing, the present invention is proposed based on first embodiment
The 3rd embodiment of audio and video display device, in the present embodiment, includes multiple in audio-video document to be decoded
During audio-video document, the audio and video display device includes：
The sending module 10, is additionally operable to when audio-video document to be decoded includes multiple audio-video documents,
Each video file to be decoded is respectively sent to the external device and the hardware device of installation
In, so that the external device and the hardware device are decoded to the audio-video document to be decoded
And the audio, video data after feedback decoding.
In the present embodiment, when audio-video document to be decoded includes multiple audio-video documents, i.e., now connect
The audio-video document to be decoded that multiple video terminals are sent is received, or receives same video terminal
The multiple video files sent successively, now, the sending module 10 divide each video file to be decoded
Do not send into the external device and the hardware device of installation, specific sending method can be：
The quantity of audio-video document to be decoded is divided into two parts, by respectively by two-part video to be decoded
File is respectively sent in the hardware device of the external device and installation, is installed outside for described
The audio-video document to be decoded is decoded standby and described hardware device and the sound after feedback decoding is regarded
Frequency evidence.
Or, disposable poll sends each video file to be decoded to the external device and installation
The hardware device in, so that the external device and the hardware device are regarded to the sound to be decoded
Frequency file decode and the audio, video data after feedback decoding.
Or, by each video file storage to be decoded into transmit queue, carried successively from transmit queue
Take audio-video document to be decoded to send into the equipment of current idle, and when another equipment is idle again from
Extract audio-video document to be decoded in transmit queue to send into the equipment of current idle, for example, current outer
Install to decode previous audio-video document to be decoded, and the hardware of the video terminal is set
It is standby to be in idle condition, now, if receiving audio-video document to be decoded again, by treating for receiving again
Decoding audio-video document, which is sent into the hardware device of the video terminal, to be decoded.
Further, the audio and video display device may also include acquisition module, for obtaining default point
With strategy, the allocation strategy is configured as the case may be, including three kinds of senders described above
Formula, in addition to：A, the number of audio-video document to be decoded that is included in the waiting list of equipment is determined, and
The audio frequency and video to be decoded received again are sent into two waiting lists in the few queue of number；B, really
Priority in the waiting list of locking equipment, and by the audio-video document to be decoded received again send to
In two waiting lists in the high queue of priority, wherein, the occupancy of processor is bigger in equipment, excellent
First level is accordingly reduced, that is to say, that the audio-video document to be decoded received is sent into accounting for for processor
With in the relatively low equipment of rate, the sending module 10 is additionally operable to the allocation strategy according to acquisition, i.e.,
Each video file to be decoded can be respectively sent to the external device and the hardware device of installation
In, so that the external device and the hardware device are decoded to the audio-video document to be decoded
And the audio, video data after feedback decoding, the final video terminal broadcasts according to decoded audio, video data
Put the corresponding audio frequency and video of the audio, video data.
In the present embodiment, when audio-video document to be decoded includes multiple audio-video documents, each is treated
Decoding video file is sent into the external device and the hardware device of installation, rather than will be treated
Decoding audio-video document is all sent to be decoded into the hardware device of external device or video terminal, and
It is the mode of dynamic regulation decoding, reduces the processor of the external device or the hardware device
Processing pressure, the decoding for also improving audio-video document is intelligent.
Further, the audio and video display device also includes；
Display module, the prompting for showing the connected external device in default viewing area
Information, wherein, the prompt message includes the identification information of the external device, and described outer installs
The corresponding parameter information of standby decoding capability, the parameter information is the decoding capability correspondence code check, such as
The corresponding numerical value of code check is shown in default viewing area.Further, the parameter information may also include
Resolution ratio, similarly, in the corresponding numerical value of default viewing area display resolution.It is worth noting that,
The display module shows the prompt message of the connected external device in default viewing area,
It can be shown in the connection procedure of the video terminal and the external device or even
It is connected into after work(, i.e., audio-video document to be decoded is sent to the external device, and receive described external
Shown during the decoded audio, video data of equipment feedback.
Process can be seen that the present invention and propose a kind of use of novel video terminal from the description above
Scene, i.e., be limited to terminal hardware it is limited in one's ability in the case of, it is not necessary to replace the situation of hardware device
Under, a kind of mode of the multi-media decoding and encoding capability of fast lifting video conference terminal hardware, with using
It is convenient, easy to use, save cost the advantages of
Further, in order to improve the flexibility of audio and video playing, implement based on first, second, third
Example proposes the fourth embodiment of audio and video display device of the present invention, in the present embodiment, the video terminal
Communicator also includes；
The sending module 10, is additionally operable to gather audio, video data to be encoded, and pass through the preset interface
Audio, video data to be encoded is sent to the external device, so that the external device is to described to be encoded
Audio, video data is encoded and by the audio-video document after the preset interface feedback encoding, wherein,
Code capacity of the code capacity of the external device higher than the hardware device that the video terminal is installed；
The sending module 10, is additionally operable to the audio frequency and video after the coding of the external device feedback is received
During file, the audio-video document after coding is sent to other video terminals.
Further, the processing module, the code capacity being additionally operable in the external device is less than or waited
When the code capacity of the hardware device of installation, the sound to be encoded is regarded by the hardware device
Frequency is according to being encoded, with the audio-video document after being encoded, and the audio-video document after coding is sent out
Deliver to other video terminals.
Further, the sending module 10, is additionally operable to regard including multiple sounds in audio, video data to be encoded
Frequency according to when, each audio, video data to be encoded is respectively sent to the institute of the external device and installation
State in hardware device, so that the external device and the hardware device are carried out to the audio, video data
Encode and the audio, video data after feedback encoding.
Further, in the present embodiment, several hardware chips described in the external device, may be used also
Realized by software, external device dress even can also directly include acquisition chip of audio frequency and video etc.,
Not only realize that the audio, video data that video terminal is sent is performed the encoding operation, can also be adopted by acquisition chip
Collect audio, video data, directly to be encoded to audio, video data.
The device of capacity upgrade directly is carried out to the decoding capability of video terminal the invention provides a kind of, can
It is that user saves replacing new clothes easily to carry out the upgrading of hardware capabilities to the existing video terminal of user
Standby cost, and the external device that the present invention is provided uses general USB interface and video conference terminal
Be attached, it is convenient to use, especially for using general terminal device for example mobile phone, flat board,
PC etc. installs the usage scenario of Software Video Conference System, due to the hardware multimedia capabilities phase of general-purpose terminal device
It is weaker for professional video conference terminal, therefore, by the invention it is possible to quickly lift user software
The multi-media decoding and encoding capability of video conference.
It should be noted that herein, term " comprising ", "comprising" or its any other variant
Be intended to including for nonexcludability so that process, method, article including a series of key elements or
Person's system not only includes those key elements, but also other key elements including being not expressly set out, or also
Including for this process, method, article or the intrinsic key element of system.In the feelings of not more limitations
Under condition, the key element limited by sentence "including a ...", it is not excluded that the process including the key element,
Also there is other identical element in method, article or system.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-mentioned
Embodiment method can add the mode of required general hardware platform to realize by software, naturally it is also possible to logical
Cross hardware, but the former is more preferably embodiment in many cases.Understood based on such, it is of the invention
The part that technical scheme substantially contributes to prior art in other words can in the form of software product body
Reveal and, the computer software product is stored in storage medium (such as ROM/RAM, magnetic disc, a light
Disk) in, including some instructions are to cause a station terminal equipment (can be mobile phone, computer, service
Device, air conditioner, or network equipment etc.) perform method described in each of the invention embodiment.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every
The equivalent structure or equivalent flow conversion made using description of the invention and accompanying drawing content, or directly or
Connect and be used in other related technical fields, be included within the scope of the present invention.
Claims (10)
1. a kind of audio and video playing method, it is characterised in that video terminal is by preset interface with installing outside
Standby connection, the audio and video playing method comprises the following steps：
When receiving the audio-video document to be decoded that other video terminals are sent, the video terminal passes through
The preset interface sends the audio-video document to be decoded to the external device, for described external
Equipment is decoded to the audio-video document to be decoded and by the sound after the preset interface feedback decoding
Video data, wherein, the decoding capability of the external device is set higher than the hardware that the video terminal is installed
Standby decoding capability；
When receiving the decoded audio, video data of the external device feedback, according to decoded sound
Video data plays the corresponding audio frequency and video of the audio, video data.
2. audio and video playing method as claimed in claim 1, it is characterised in that the video terminal leads to
USB interface or network card interface is crossed to be attached with the external device.
3. audio and video playing method as claimed in claim 1, it is characterised in that the audio and video playing
Method also includes：
In the connection procedure of the video terminal and the external device, the video terminal will be described outer
The decoding capability for installing the hardware device that standby decoding capability is installed with the video terminal is compared；
In the decoding capability of hardware device of the decoding capability higher than installation of the external device, if receiving
The audio-video document to be decoded sent to other video terminals, performs the video terminal and passes through described preset
The step of interface sends the audio-video document to be decoded to the external device；
It is described to regard in the decoding capability of hardware device of the decoding capability less than installation of the external device
Frequency terminal disconnects the connection with the external device, and outputting alarm information.
4. audio and video playing method as claimed in claim 1, it is characterised in that in audio frequency and video to be decoded
It is described to be regarded in the sound to be decoded for receiving other video terminals transmissions when file includes multiple audio-video documents
During frequency file, the audio and video playing method also includes；
Each video file to be decoded is respectively sent to the external device and installation by the video terminal
The hardware device in, so that the external device and the hardware device are regarded to the sound to be decoded
Frequency file decode and the audio, video data after feedback decoding.
5. the audio and video playing method as described in claim any one of 1-4, it is characterised in that the sound
Video broadcasting method also includes；
The video terminal shows the prompting letter of the connected external device in default viewing area
Breath, wherein, the prompt message includes the identification information of the external device, and the external device
The corresponding parameter information of decoding capability.
6. a kind of audio and video display device, it is characterised in that the audio and video display device is connect by default
Mouth is connected with external device, and the audio and video display device includes：
Sending module, for when receiving the audio-video document to be decoded that other video terminals are sent, leading to
Cross the preset interface to send the audio-video document to be decoded to the external device, for described outer
Install it is standby the audio-video document to be decoded is decoded and by the preset interface feedback decoding after
Audio, video data, wherein, the decoding capability of the external device is higher than the hardware that the video terminal is installed
The decoding capability of equipment；
Playing module, for when receiving the decoded audio, video data of external device feedback,
The corresponding audio frequency and video of the audio, video data are played according to decoded audio, video data.
7. audio and video display device as claimed in claim 6, it is characterised in that the audio and video playing
Device is attached by USB interface or network card interface with the external device.
8. audio and video display device as claimed in claim 6, it is characterised in that the audio and video playing
Device also includes：
Comparing module, in the connection procedure of the audio and video display device and the external device,
The decoding capability for the hardware device that the decoding capability of the external device and the video terminal are installed is carried out
Compare；
The sending module, is additionally operable to the decoding capability in the external device higher than the hardware device installed
Decoding capability when, if the audio-video document to be decoded that other video terminals are sent is received, by described
Preset interface sends the audio-video document to be decoded to the external device；
Processing module, the decoding for the decoding capability in the external device less than the hardware device installed
During ability, the connection with the external device, and outputting alarm information are disconnected.
9. audio and video display device as claimed in claim 6, it is characterised in that the sending module,
It is additionally operable to when audio-video document to be decoded includes multiple audio-video documents, by each video file to be decoded
In the hardware device for being respectively sent to the external device and installation, for the external device with
And the hardware device to the audio-video document to be decoded decode and the audio frequency and video number after feedback decoding
According to.
10. the audio and video display device as described in claim any one of 6-9, it is characterised in that described
Audio and video display device also includes；
Display module, the prompting for showing the connected external device in default viewing area
Information, wherein, the prompt message includes the identification information of the external device, and described outer installs
The corresponding parameter information of standby decoding capability.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235642.9A CN107302703A (en) | 2016-04-15 | 2016-04-15 | Audio and video playing method and device |
| PCT/CN2017/077581 WO2017177802A1 (en) | 2016-04-15 | 2017-03-21 | Audio/video playback method and apparatus, and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235642.9A CN107302703A (en) | 2016-04-15 | 2016-04-15 | Audio and video playing method and device |
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|---|---|
| CN107302703A true CN107302703A (en) | 2017-10-27 |
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| CN201610235642.9A Withdrawn CN107302703A (en) | 2016-04-15 | 2016-04-15 | Audio and video playing method and device |
Country Status (2)
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| CN (1) | CN107302703A (en) |
| WO (1) | WO2017177802A1 (en) |
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| CN115002087A (en) * | 2022-05-31 | 2022-09-02 | 济南浪潮数据技术有限公司 | Audio and video data transmission method, system, device and storage medium |
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- 2016-04-15 CN CN201610235642.9A patent/CN107302703A/en not_active Withdrawn
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| CN109120939B (en) * | 2018-07-16 | 2021-04-06 | 北京奇艺世纪科技有限公司 | Video App decoding method and device |
| CN115002087A (en) * | 2022-05-31 | 2022-09-02 | 济南浪潮数据技术有限公司 | Audio and video data transmission method, system, device and storage medium |
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|---|---|
| WO2017177802A1 (en) | 2017-10-19 |
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Application publication date: 20171027 |