CN106878290A - The player method and device of audio frequency and video - Google Patents
The player method and device of audio frequency and video Download PDFInfo
- Publication number
- CN106878290A CN106878290A CN201710047508.0A CN201710047508A CN106878290A CN 106878290 A CN106878290 A CN 106878290A CN 201710047508 A CN201710047508 A CN 201710047508A CN 106878290 A CN106878290 A CN 106878290A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000011897 real-time detection Methods 0.000 claims abstract description 5
- 238000009877 rendering Methods 0.000 claims description 14
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005111 flow chemistry technique Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
-
- 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
- H04N21/439—Processing of audio elementary streams
- H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
-
- 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
- H04N21/4402—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 reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—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 reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
-
- 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
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4858—End-user interface for client configuration for modifying screen layout parameters, e.g. fonts, size of the windows
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The invention discloses a kind of playing method and device of audio frequency and video, the described method comprises the following steps：The description index of format information is added in the coding/decoding information of each coded data packet；The code/decode format of the multi-medium data bag that real-time detection is currently received in playing process；When the code/decode format of the multi-medium data bag being currently received is different from the code/decode format of the multi-medium data bag played, the multi-medium data of former code/decode format is waited to finish, prepare the decoder of newly encoded form simultaneously, the multi-medium data bag to being currently received is decoded and exported；Decoded multi-medium data is rendered and is exported to play out.The present invention can realize seamless continued broadcasting when audio/video flow switches, and lift Consumer's Experience.
Description
Technical field
The present invention relates to audio frequency and video processing technology field, more particularly to a kind of audio frequency and video player method and device.
Background technology
At present, common video player only judges the decoder type of media stream when starting and playing and initialization is broadcast
Put, in playing process cannot data judge with whether its coded format is altered and change decoder continues in time
Play.Once there is coded format change in playing process, such as same film is switched to H.265 lattice from H.264 form
Formula, or audio is switched to Dolby Audio from ordinary audio, is required for closing player and restarting new playing flow,
Cause to play and interrupt, Consumer's Experience is poor.
The content of the invention
It is a primary object of the present invention to provide a kind of player method of audio frequency and video, it is intended to which solution needs to close in the prior art
Close player and restart new playing flow, cause to play the technical problem interrupted.
To achieve the above object, the present invention provides a kind of player method of audio frequency and video, comprises the following steps：
Format information description index is added in the coding/decoding information of each multi-medium data bag；
The code/decode format of the multi-medium data bag being currently received is detected in playing process；
The multi-medium data bag being currently received the multi-medium data bag being currently received code/decode format with
When the code/decode format of the multi-medium data bag of broadcasting is different, the multi-medium data of former code/decode format is waited to play
Finish, and enable the decoder of newly encoded form, the multi-medium data bag to being currently received is decoded and exported；
Decoded multi-medium data is rendered and is exported to play out.
Preferably, the code/decode format in the multi-medium data bag being currently received and the multimedia number played
During according to the code/decode format difference wrapped, the multi-medium data of former code/decode format is waited to finish, and enable newly encoded
The decoder of form, includes the step of the multi-medium data bag to being currently received is decoded and exported：
After obtaining multi-medium data bag, the coding/decoding information and previous multi-medium data bag of the multi-medium data bag are detected
Whether coding/decoding information is consistent, if it is inconsistent, after waiting the multi-medium data of former code/decode format to finish, root
The decoder of adaptation is switched to according to the format information description index in coding/decoding information, using the decoder to being currently received
Multi-medium data bag decoded and exported.
Preferably, it is described decoded data are rendered and exported to playing device to play out the step of wrap
Include：
When data form, picture dimension and the inconsistent previous video frame of current video frame is detected, wash with watercolours is initialized
The textures data form of device is contaminated, to match the code/decode format and size of present frame.
Preferably, it is described decoded data are rendered and exported to playing device to play out the step of wrap
Include：
When the code/decode format for detecting current audio data frame is inconsistent with former frame, create and current audio data
The audio output device of frame matching.
Preferably, the multi-medium data bag includes the audio, video data bag and Doby sound of H.264 form, H.265 form
Frequency packet.
The present invention also provides a kind of playing device of audio frequency and video, and it includes：
Audio, video data describing module, for adding format information to retouch in the coding/decoding information of each multi-medium data bag
State index；
Detection module, the code/decode format for detecting the multi-medium data bag being currently received in playing process；
Audio/video decoding module, for the code/decode format in the multi-medium data bag being currently received with play
Multi-medium data bag code/decode format it is different when, wait the multi-medium data of former code/decode format to finish, and
The decoder of newly encoded form is enabled, the multi-medium data bag to being currently received is decoded and exported；
Audio/video rendering module, for rendering decoded multi-medium data and is exported to play out.
Preferably, the audio/video decoding module is used for：
After obtaining multi-medium data bag, the coding/decoding information and previous multi-medium data bag of the multi-medium data bag are detected
Whether coding/decoding information is consistent, if it is inconsistent, after waiting the multi-medium data of former code/decode format to finish, root
The decoder of adaptation is switched to according to the format information description index in coding/decoding information, using the decoder to being currently received
Multi-medium data bag decoded and exported.
Preferably, the audio/video rendering module is used for：
When data form, picture dimension and the inconsistent previous video frame of current video frame is detected, wash with watercolours is initialized
The textures data form of device is contaminated, to match present frame.
Preferably, the audio/video rendering module is used for：Detecting the code/decode format and former frame of audio data frame
When inconsistent, then the audio output device matched with current audio data frame is created.
Preferably, the multi-medium data bag includes the audio, video data bag and Doby sound of H.264 form, H.265 form
Frequency packet.
The player method of audio frequency and video proposed by the present invention, can detect the change of media stream coded format in playing process
Change, be changed to correspondence format decoder, while changing the audio frequency and video renderer of correspondence form so that do not exiting the situation of broadcasting
Under realize seamless continued broadcasting.
Brief description of the drawings
In order to be expressly understood technical scheme, used during the specific embodiment of the invention attached is described below
Figure does a brief description.It should be evident that these accompanying drawings are only section Examples of the invention, those skilled in the art are unpaid
On the premise of going out creative work, other accompanying drawings can also be obtained.
The step of Fig. 1 is the player method of audio frequency and video of the present invention schematic flow sheet；
Fig. 2 is the structural representation of the playing device of one embodiment of the invention audio frequency and video.
Specific embodiment
The object of the invention is realized, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.Should manage
Solution, the specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.
A kind of player method of audio frequency and video of present invention offer, reference picture 1, in one embodiment, the broadcasting side of the audio frequency and video
Method is comprised the following steps：
Step S10, adds the description index of format information in the coding/decoding information of each multi-medium data bag；
In order to detect the code/decode format of present multimedia flow data, will meet media stream separate (for example,
Packets of audio data is separated with video data bag) when, the format information of addition format information is wrapped in each coded data
Description index, points to the corresponding encoding and decoding relevant information of current data, this ensure that can be read from the packet for receiving
To the corresponding decoded information of data.
Step S20, the code/decode format of the multi-medium data bag that real-time detection is currently received in playing process；Broadcasting
During putting, it is desirable to be able to detect the code/decode format of the multimedia data stream being currently received in time, rather than only in broadcasting
Once checked at first.
Step S30, in code/decode format and the multi-medium data played of the multi-medium data bag being currently received
When the code/decode format of bag is different, the multi-medium data of former code/decode format is waited to finish, and enable newly encoded lattice
The decoder of formula, the multi-medium data bag to being currently received is decoded and exported；Detect format multi-medium data bag
When, wait the data playback of former code/decode format to finish, while prepare the decoder of newly encoded form, to the number of format
According to being decoded.
In the embodiment of the present invention, the data of decoder output, also additional formats information so that decoding process with render part
Can be with relatively independent processing data.
Step S40, is rendered to decoded multi-medium data and is exported to play out.
Decode complete data form, it is also possible to it is inconsistent with previous decoded data form, to reach user without
The continuous result of broadcast for perceiving, in addition it is also necessary to solve the problems, such as seamless output different-format to display device and audio frequency apparatus.This hair
In bright, when the change of media stream coded format is detected, the aspects such as picture dimension are carried out to the media stream after coding
Render, to match the multi-medium data of present multimedia stream and former code/decode format, realize seamless continued broadcasting.
The player method of audio frequency and video proposed by the present invention, can detect the change of media stream coded format in playing process
Change, be changed to correspondence format decoder, while changing the audio frequency and video renderer of correspondence form so that do not exiting the situation of broadcasting
Under realize seamless continued broadcasting.
In a preferred embodiment of the present invention, abovementioned steps 30 may include：
After obtaining multi-medium data bag, the coding/decoding information and previous multi-medium data bag of the multi-medium data bag are detected
Whether coding/decoding information is consistent, if it is inconsistent, the format information description index in coding/decoding information, is switched to adaptation
Decoder, and carry out decoding output.
In one embodiment, abovementioned steps S40 includes：
When data form, picture dimension and the inconsistent previous video frame of current video frame is detected, wash with watercolours is initialized
The textures data form of device is contaminated, the code/decode format of present frame is matched.It is decoded reading for video renderer module
After data frame, check whether the data form of previous video frame, picture dimension are consistent with present frame, if variant, need
Reinitialize the textures data form of renderer, match the code/decode format and size of present frame, it is ensured that correctly with it is preceding
One frame is connected.
In one embodiment, abovementioned steps S40 also includes：
When the code/decode format for detecting current audio data frame is inconsistent with before, then with current audio data frame
The audio output device matched somebody with somebody.Sound renderer part, when the code/decode format for detecting audio data frame is inconsistent with before,
Then need to re-create output device, being allowed to sample rate, channel number can match with new audio data frame, it is ensured that correct rank
Previous section audio is connect to play.
By above-mentioned flow processing, change for data stream format in playing process, it becomes possible to smoothly realize seamless continued broadcasting,
Without restarting to play.
It should be noted that in the embodiment of the present invention, multi-medium data bag can be H.264 form and H.265 form
Audio, video data bag；And ordinary audio packet and Dolby Audio packet, or the audio, video data of extended formatting
Bag.
The present invention also provides a kind of playing device of audio frequency and video, and shown in Figure 2, in one embodiment, the device includes：
Audio, video data describing module 10, for adding format information in the coding/decoding information of each coded data packet
The description index of format information；
In order to detect the code/decode format of present multimedia flow data, audio, video data describing module 10 will accorded with
When closing media stream separation (for example, packets of audio data is separated with video data bag), wrapped in each coded data and added
The description index of the format information of format information, points to the corresponding encoding and decoding relevant information of current data, this ensure that can
The corresponding decoded information of data is read from the packet for receiving.
Detection module 20, the encoding and decoding lattice of the multi-medium data bag being currently received for the real-time detection in playing process
Formula；
In playing process, the code/decode format of the multimedia data stream that the real-time detection of detection module 20 is currently received,
Rather than only play once checked at first.
Audio/video decoding module 30, encoding and decoding of the code/decode format being used in the multi-medium data bag being currently received
When form is different from the code/decode format of the multi-medium data bag played, the multimedia number of former code/decode format is waited
According to finishing, and the decoder of newly encoded form is enabled, the multi-medium data bag to being currently received is decoded and exported；
When audio/video decoding module 30 detects format multi-medium data bag, the number of former code/decode format is waited
According to finishing, while preparing the decoder of newly encoded form, the data to format are decoded.In the embodiment of the present invention,
The data also additional formats information of the output of audio/video decoding module 30 so that decoding process with render part can be with relatively independent
Processing data.
Audio/video rendering module 40, for rendering decoded multi-medium data and is exported to play out.
Decode complete data form, it is also possible to it is inconsistent with previous decoded data form, to reach user without
The continuous result of broadcast for perceiving, in addition it is also necessary to solve the problems, such as seamless output different-format to display device and audio frequency apparatus.
In the present invention, when the change of media stream coded format is detected, audio/video rendering module 40, after coding
Media stream carry out rendering for the aspects such as picture dimension, to match many of present multimedia stream and preceding former code/decode format
Media data, realizes seamless continued broadcasting.
In one embodiment, audio/video decoding module 30 is used for：
After obtaining multi-medium data bag, the coding/decoding information and last multi-medium data of current multimedia data bag are detected
Whether the coding/decoding information of bag is consistent, if it is inconsistent, waiting the multi-medium data of former code/decode format to finish
Afterwards, the format information description index in coding/decoding information is switched to the decoder of adaptation, using the decoder to current
The multi-medium data bag for receiving is decoded and exported.
In one embodiment, audio/video rendering module 30 is used for：
When data form, picture dimension and the inconsistent previous video frame of current video frame is detected, wash with watercolours is initialized
The textures data form of device is contaminated, to match the code/decode format of present frame.
In one embodiment, audio/video rendering module 40 is used for：In the code/decode format for detecting audio data frame therewith
When preceding inconsistent, then the audio output device matched with new audio data frame is created.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of player method of audio frequency and video, it is characterised in that comprise the following steps：
The description index of format information is added in the coding/decoding information of each multi-medium data bag；
The code/decode format of the multi-medium data bag being currently received is detected in playing process；
In the code/decode format of the multi-medium data bag being currently received, the encoding and decoding lattice with the multi-medium data bag played
When formula is different, wait the multi-medium data of former code/decode format to finish, and enable the decoder of newly encoded form, it is right
The multi-medium data bag being currently received is decoded and exported；
Decoded multi-medium data is rendered and is exported to play out.
2. the player method of audio frequency and video as claimed in claim 1, it is characterised in that described in the multimedia number being currently received
According to bag code/decode format it is different from the code/decode format of the multi-medium data bag played when, wait former encoding and decoding lattice
The multi-medium data of formula is finished, and enables the decoder of newly encoded form, and the multi-medium data bag to being currently received enters
Row is decoded and included the step of output：
After obtaining multi-medium data bag, the coding/decoding information of the multi-medium data bag and the volume solution of previous multi-medium data bag are detected
Whether code information is consistent；
If it is inconsistent, after waiting the multi-medium data of former code/decode format to finish, according in coding/decoding information
Format information description index be switched to the decoder of adaptation, using the decoder to the multi-medium data bag that is currently received
Decoded and exported.
3. the player method of audio frequency and video as claimed in claim 1, it is characterised in that described that decoded data are rendered
And export to playing device to play out the step of include：
When data form, picture dimension and the inconsistent previous video frame of current video frame is detected, renderer is initialized
Textures data form, to match the code/decode format of present frame.
4. the player method of audio frequency and video as claimed in claim 1, it is characterised in that described that decoded data are rendered
And export to playing device to play out the step of include：
When the code/decode format for detecting current audio data frame is inconsistent with former frame, create and current audio data frame
The audio output device matched somebody with somebody.
5. the player method of audio frequency and video as claimed in claim 1, it is characterised in that H.264 the multi-medium data bag is included
The audio, video data bag and Dolby Audio packet of form, H.265 form.
6. a kind of playing device of audio frequency and video, it is characterised in that including：
Audio, video data describing module, the description for adding format information in the coding/decoding information of each multi-medium data bag
Index；
Detection module, the code/decode format of the multi-medium data bag being currently received for the real-time detection in playing process；
Audio/video decoding module is more with what is played for the code/decode format in the multi-medium data bag being currently received
When the code/decode format of media data packet is different, the multi-medium data of former code/decode format is waited to finish, and enable
The decoder of newly encoded form, the multi-medium data bag to being currently received is decoded and exported；
Audio/video rendering module, for rendering decoded multi-medium data and is exported to play out.
7. the playing device of audio frequency and video as claimed in claim 6, it is characterised in that the audio/video decoding module is used for：
After obtaining multi-medium data bag, the coding/decoding information of the multi-medium data bag and the volume solution of previous multi-medium data bag are detected
Whether code information is consistent, if it is inconsistent, after waiting the multi-medium data of former code/decode format to finish, according to volume
Format information description index in decoded information is switched to the decoder of adaptation, many to what is be currently received using the decoder
Media data packet is decoded and exported.
8. the playing device of audio frequency and video as claimed in claim 6, it is characterised in that the audio/video rendering module is used for：
When data form, picture dimension and the inconsistent previous video frame of current video frame is detected, renderer is initialized
Textures data form, to match the code/decode format and size of present frame.
9. the playing device of audio frequency and video as claimed in claim 6, it is characterised in that the audio/video rendering module is used for：
Detect the code/decode format of audio data frame it is inconsistent with former frame when, then create the audio matched with current audio data frame
Output device.
10. the playing device of audio frequency and video as claimed in claim 6, it is characterised in that H.264 the multi-medium data bag is included
The audio, video data bag and Dolby Audio packet of form, H.265 form.
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| CN201710047508.0A CN106878290B (en) | 2017-01-22 | 2017-01-22 | Audio and video playing method and device |
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| CN201710047508.0A CN106878290B (en) | 2017-01-22 | 2017-01-22 | Audio and video playing method and device |
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| CN106878290A true CN106878290A (en) | 2017-06-20 |
| CN106878290B CN106878290B (en) | 2021-02-12 |
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| CN201710047508.0A Active CN106878290B (en) | 2017-01-22 | 2017-01-22 | Audio and video playing method and device |
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| CN107231578A (en) * | 2017-08-04 | 2017-10-03 | 四川长虹电器股份有限公司 | The system and method that video file is quickly played |
| CN110536096A (en) * | 2018-05-25 | 2019-12-03 | 视联动力信息技术股份有限公司 | A kind of decoded method and apparatus of data |
| CN110753265A (en) * | 2019-10-28 | 2020-02-04 | 北京奇艺世纪科技有限公司 | Data processing method and device and electronic equipment |
| CN113676769A (en) * | 2021-08-23 | 2021-11-19 | 北京字跳网络技术有限公司 | Video decoding method, apparatus, storage medium, and program product |
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| US9203685B1 (en) * | 2009-06-01 | 2015-12-01 | Sony Computer Entertainment America Llc | Qualified video delivery methods |
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| US9203685B1 (en) * | 2009-06-01 | 2015-12-01 | Sony Computer Entertainment America Llc | Qualified video delivery methods |
| CN106060628A (en) * | 2016-06-28 | 2016-10-26 | 暴风集团股份有限公司 | DirectShow-based method and system supporting variable coding |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107231578A (en) * | 2017-08-04 | 2017-10-03 | 四川长虹电器股份有限公司 | The system and method that video file is quickly played |
| CN110536096A (en) * | 2018-05-25 | 2019-12-03 | 视联动力信息技术股份有限公司 | A kind of decoded method and apparatus of data |
| CN110753265A (en) * | 2019-10-28 | 2020-02-04 | 北京奇艺世纪科技有限公司 | Data processing method and device and electronic equipment |
| CN110753265B (en) * | 2019-10-28 | 2022-04-19 | 北京奇艺世纪科技有限公司 | Data processing method and device and electronic equipment |
| CN113676769A (en) * | 2021-08-23 | 2021-11-19 | 北京字跳网络技术有限公司 | Video decoding method, apparatus, storage medium, and program product |
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| CN106878290B (en) | 2021-02-12 |
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