CN104580985A - Video bitrate self-adaption method and system - Google Patents
Video bitrate self-adaption method and system Download PDFInfo
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- CN104580985A CN104580985A CN201510055563.5A CN201510055563A CN104580985A CN 104580985 A CN104580985 A CN 104580985A CN 201510055563 A CN201510055563 A CN 201510055563A CN 104580985 A CN104580985 A CN 104580985A
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Abstract
The invention discloses a video bitrate self-adaption method and system. The method includes the steps of A, receiving RR/SR packages to acquire the package loss probability; B, judging whether or not the package loss probability is less than lower-limited package loss probability threshold, or between the lower-limited package loss probability and upper-limited package loss probability, or greater than the upper-limited package loss probability; if the package loss probability is less than the lower-limited package loss probability threshold, executing the step C; if the package loss probability is between the lower-limited package loss probability and the upper-limited package loss probability, executing the step D; if the package loss probability is greater than the upper-limited package loss probability threshold, executing the step E; C, adding up number of times of the package loss probability in the first interval at a time; D, adding up number of times of the package loss probability in the second interval at a time; E, adding up number of times of the package loss probability in the third interval at a time; F, judging whether the total sum of number of times of the package loss probability from the first interval to the third interval is greater than preset number of threshold or not, if yes, executing the step G, and if not, executing the step A; G, adjusting video bitrate. With the method and system, accuracy in detection of the package loss probability can be improved, and frequent adjustment of the bitrate can be avoided.
Description
Technical field
The present invention relates to a kind of video code rate adaptive approach and system.
Background technology
The mode that the application of the upper Video chat class of Internet generally adopts udp to send bag carries out transfer of data, when packet loss because decoding end does not receive complete Frame, can only decode when receiving next frame again, so, video card will be caused to pause.To pause situation for improving video card, adjusting transfer of data by code check adaptive approach, code check self adaptation refers to and suitably reduces code check when packet loss is larger and a kind of measure of reducing packet loss.
Industry commonly uses RR/SR message to obtain the packet loss of transmitting terminal, namely transmitting terminal sends udp video packets with certain probability, each video packets comprises the sequence number of a short type, this sequence number adds 1 at every turn, receiving terminal adds up the number of the actual udp bag received receiving in a period of time, and the number of the udp bag that transmitting terminal sends is obtained according to sequence number, and then calculate packet loss, then pass through the packet loss situation that the RR/SR message notifying transmitting terminal of rtcp is interior during this period of time.
Transmitting terminal receives the adjustment that a RR/SR message just carries out a code check, when packet loss is greater than the upper limit threshold of a setting, reduces code check by ratio, when packet loss is less than the lower threshold of a setting, increases code check according to a certain percentage.Namely this kind of method judge current network condition by the feedback message of a RTCP, and code check is adjusted accordingly, the obvious not tool statistically meaning of feedback message of a RTCP, decision errors is large, and code check is frequently adjusted, also can affect stability and the reliability of communication.
Summary of the invention
For the deficiencies in the prior art, the present invention is intended to provide a kind of video code rate adaptive approach of solving the problems of the technologies described above and system.
For achieving the above object, the present invention adopts following technical scheme:
A kind of video code rate adaptive approach, it comprises the following steps:
Steps A: receive RR/SR bag, obtains packet loss from RR/SR bag;
Step B: judge that packet loss is less than lower limit packet loss threshold value R1, or between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, still upper limit packet loss threshold value R2 is greater than, wherein, 0<R1<R2<1; If be less than lower limit packet loss threshold value R1, perform step C; If between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, perform step D; If be greater than upper limit packet loss threshold value R2, perform step e;
Step C: the number of times of an accumulative first interval packet loss;
Step D: the number of times of an accumulative second interval packet loss;
Step e: the number of times of accumulative order three interval packet loss;
Step F: judge whether the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value, if so, performs step G; If not, execution steps A is returned; And
Step G: reduce or increase video code rate.
Preferably, step F comprises following sub-step:
Step F 1: judge whether the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value, if so, performs step F 2; If not, execution steps A is returned; And
Step F 2: judge whether the current time period to last rate adjust is greater than default time interval threshold value, if so, performs step G, if not, returns execution steps A.
Preferably, step G is specially:
When the ratio of the relatively total packet loss number of times of the 3rd interval packet loss number of times reaches the first fractional threshold, reduce video code rate with preset ratio; Or
When the ratio of the second interval total packet loss number of times relative to the 3rd interval packet loss number of times summation reaches the second fractional threshold, reduce video code rate with preset ratio; Or
Be zero at the 3rd interval packet loss number of times, and when the ratio of the relatively total packet loss number of times of the second interval packet loss number of times is less than the 3rd fractional threshold, increase video code rate with preset ratio.
A kind of video code rate Adaptable System, it comprises receiving element, judging unit, the first counting unit to the 3rd counting unit and rate adjust unit;
This receiving element, for receiving RR/SR bag, obtains packet loss from current RR/SR bag;
Judging unit is for judging that packet loss is less than lower limit packet loss threshold value R1, or between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, still upper limit packet loss threshold value R2 is greater than, wherein, 0<R1<R2<1; If be less than lower limit packet loss threshold value R1, the first counting unit adds up the number of times of a first interval packet loss; If between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, the second counting unit adds up the number of times of a second interval packet loss; If be greater than upper limit packet loss threshold value R2, the 3rd counting unit adds up the number of times of order three interval packet loss;
This judging unit is also for judging whether the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value; If so, rate adjust unit reduces or increases video code rate; If not, receiving element continues to receive RR/SR bag.
Preferably, this judging unit is also for when the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value, judge whether the current time period to last rate adjust is greater than default time interval threshold value, if so, rate adjust unit reduces or increases video code rate; If not, receiving element continues to receive RR/SR bag.
Preferably, rate adjust unit is used for, when the ratio of the relatively total packet loss number of times of the 3rd interval packet loss number of times reaches the first fractional threshold, reducing video code rate with preset ratio; Or
When the ratio of the second interval total packet loss number of times relative to the 3rd interval packet loss number of times summation reaches the second fractional threshold, reduce video code rate with preset ratio; Or
Be zero at the 3rd interval packet loss number of times, and when the ratio of the relatively total packet loss number of times of the second interval packet loss number of times is less than the 3rd fractional threshold, increase video code rate with preset ratio.
Beneficial effect of the present invention is at least as follows:
Foregoing invention repeatedly adds up the number of times summation of the packet loss in each interval, and just adjust primary video code check when number of times summation is greater than default frequency threshold value, have more standby statistical significance, improve the accuracy that packet loss detects, and can avoid frequently adjusting code check, thus improve stability and the reliability of video communication.
Accompanying drawing explanation
Fig. 1 is the main flow figure of the better embodiment of video code rate adaptive approach of the present invention.
Fig. 2 is the structural representation of the better embodiment of video code rate Adaptable System of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further:
Refer to Fig. 1, the present invention relates to a kind of video code rate adaptive approach, its better embodiment comprises the following steps:
Steps A: receive RR/SR bag, obtains packet loss from RR/SR bag;
Step B: judge that packet loss is less than lower limit packet loss threshold value R1, or between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, still upper limit packet loss threshold value R2 is greater than, wherein, 0<R1<R2<1; If be less than lower limit packet loss threshold value R1, perform step C; If between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, perform step D; If be greater than upper limit packet loss threshold value R2, perform step e;
Step C: the number of times of an accumulative first interval packet loss;
Step D: the number of times of an accumulative second interval packet loss;
Step e: the number of times of accumulative order three interval packet loss;
Step F: judge whether the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value, if so, performs step G; If not, execution steps A is returned; And
Step G: reduce or increase video code rate.
Foregoing invention repeatedly adds up the number of times summation of the packet loss in each interval, and just adjust primary video code check when number of times summation is greater than default frequency threshold value, have more standby statistical significance, improve the accuracy that packet loss detects, and can avoid frequently adjusting code check, thus improve stability and the reliability of video communication.
Preferably, step F comprises following sub-step:
Step F 1: judge whether the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value, if so, performs step F 2; If not, execution steps A is returned; And
Step F 2: judge whether the current time period to last rate adjust is greater than default time interval threshold value, if so, performs step G, if not, returns execution steps A.
By setting the time interval threshold value of rate adjust, only just allowing adjustment code check when being greater than time interval threshold value, so, packet loss can be made to detect more accurate, and making the more stable and reliable of video communication.
Preferably, step G is specially:
When the ratio of the relatively total packet loss number of times of the 3rd interval packet loss number of times reaches the first fractional threshold, judge that now network is poor, reduce video code rate with preset ratio; Or
When the ratio of the second interval total packet loss number of times relative to the 3rd interval packet loss number of times summation reaches the second fractional threshold, judge now often poor, reduce video code rate with preset ratio; Or
Be zero at the 3rd interval packet loss number of times, and when the ratio of the relatively total packet loss number of times of the second interval packet loss number of times is less than the 3rd fractional threshold, judge that now network is fine, increases video code rate with preset ratio.
Wherein, total packet loss number of times refers to the number of times summation of the packet loss in the first to the 3rd interval.
By interval packet loss ratio, this method judges that whether network is poor or better, and then corresponding adjustment video code rate, packet loss can be made to detect more accurate, and make the more stable and reliable of video communication.
See Fig. 2, the invention still further relates to a kind of video code rate Adaptable System, it comprises receiving element, judging unit, the first counting unit to the 3rd counting unit, rate adjust unit.
This receiving element, for receiving RR/SR bag, obtains packet loss from current RR/SR bag;
Judging unit is for judging that packet loss is less than lower limit packet loss threshold value R1, or between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, still upper limit packet loss threshold value R2 is greater than, wherein, 0<R1<R2<1; If be less than lower limit packet loss threshold value R1, the first counting unit adds up the number of times of a first interval packet loss; If between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, the second counting unit adds up the number of times of a second interval packet loss; If be greater than upper limit packet loss threshold value R2, the 3rd counting unit adds up the number of times of order three interval packet loss;
This judging unit is also for judging whether the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value; If so, rate adjust unit reduces or increases video code rate; If not, receiving element continues to receive RR/SR bag.
Preferably, this judging unit is also for when the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value, judge whether the current time period to last rate adjust is greater than default time interval threshold value, if so, rate adjust unit reduces or increases video code rate; If not, receiving element continues to receive RR/SR bag.
Particularly, rate adjust unit is used for, when the ratio of the relatively total packet loss number of times of the 3rd interval packet loss number of times reaches the first fractional threshold, judging that now network is poor, reducing video code rate with preset ratio; Or
When the ratio of the second interval total packet loss number of times relative to the 3rd interval packet loss number of times summation reaches the second fractional threshold, judge now often poor, reduce video code rate with preset ratio; Or
Be zero at the 3rd interval packet loss number of times, and when the ratio of the relatively total packet loss number of times of the second interval packet loss number of times is less than the 3rd fractional threshold, judge that now network is fine, increases video code rate with preset ratio.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection range of the claims in the present invention.
Claims (6)
1. a video code rate adaptive approach, is characterized in that: it comprises the following steps:
Steps A: receive RR/SR bag, obtains packet loss from RR/SR bag;
Step B: judge that packet loss is less than lower limit packet loss threshold value R1, or between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, still upper limit packet loss threshold value R2 is greater than, wherein, 0<R1<R2<1; If be less than lower limit packet loss threshold value R1, perform step C; If between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, perform step D; If be greater than upper limit packet loss threshold value R2, perform step e;
Step C: the number of times of an accumulative first interval packet loss;
Step D: the number of times of an accumulative second interval packet loss;
Step e: the number of times of accumulative order three interval packet loss;
Step F: judge whether the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value, if so, performs step G; If not, execution steps A is returned; And
Step G: reduce or increase video code rate.
2. video code rate adaptive approach as claimed in claim 1, is characterized in that: step F comprises following sub-step:
Step F 1: judge whether the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value, if so, performs step F 2; If not, execution steps A is returned; And
Step F 2: judge whether the current time period to last rate adjust is greater than default time interval threshold value, if so, performs step G, if not, returns execution steps A.
3. video code rate adaptive approach as claimed in claim 1 or 2, is characterized in that: step G is specially:
When the ratio of the relatively total packet loss number of times of the 3rd interval packet loss number of times reaches the first fractional threshold, reduce video code rate with preset ratio; Or
When the ratio of the second interval total packet loss number of times relative to the 3rd interval packet loss number of times summation reaches the second fractional threshold, reduce video code rate with preset ratio; Or
Be zero at the 3rd interval packet loss number of times, and when the ratio of the relatively total packet loss number of times of the second interval packet loss number of times is less than the 3rd fractional threshold, increase video code rate with preset ratio.
4. a video code rate Adaptable System, it comprises receiving element, judging unit, the first counting unit to the 3rd counting unit and rate adjust unit;
This receiving element, for receiving RR/SR bag, obtains packet loss from current RR/SR bag;
Judging unit is for judging that packet loss is less than lower limit packet loss threshold value R1, or between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, still upper limit packet loss threshold value R2 is greater than, wherein, 0<R1<R2<1; If be less than lower limit packet loss threshold value R1, the first counting unit adds up the number of times of a first interval packet loss; If between lower limit packet loss threshold value R1 and upper limit packet loss threshold value R2, the second counting unit adds up the number of times of a second interval packet loss; If be greater than upper limit packet loss threshold value R2, the 3rd counting unit adds up the number of times of order three interval packet loss;
This judging unit is also for judging whether the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value; If so, rate adjust unit reduces or increases video code rate; If not, receiving element continues to receive RR/SR bag.
5. video code rate Adaptable System as claimed in claim 4, it is characterized in that: this judging unit is also for when the number of times summation of the first to the 3rd interval packet loss is greater than default frequency threshold value, judge whether the current time period to last rate adjust is greater than default time interval threshold value, if so, rate adjust unit reduces or increases video code rate; If not, receiving element continues to receive RR/SR bag.
6. the video code rate Adaptable System as described in claim 4 or 5, is characterized in that: rate adjust unit is used for, when the ratio of the relatively total packet loss number of times of the 3rd interval packet loss number of times reaches the first fractional threshold, reducing video code rate with preset ratio; Or
When the ratio of the second interval total packet loss number of times relative to the 3rd interval packet loss number of times summation reaches the second fractional threshold, reduce video code rate with preset ratio; Or
Be zero at the 3rd interval packet loss number of times, and when the ratio of the relatively total packet loss number of times of the second interval packet loss number of times is less than the 3rd fractional threshold, increase video code rate with preset ratio.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376614A (en) * | 2015-10-27 | 2016-03-02 | 南京创维信息技术研究院有限公司 | Video quality optimizing method and device |
| CN105430506A (en) * | 2015-11-06 | 2016-03-23 | 浙江宇视科技有限公司 | Method and device for preventing message from being lost in video playback |
| CN105871744A (en) * | 2016-03-31 | 2016-08-17 | 北京小米移动软件有限公司 | Method and device for controlling traffic dynamically |
| CN106331577A (en) * | 2015-06-25 | 2017-01-11 | 阿里巴巴集团控股有限公司 | Coding adjustment method and coding adjustment device |
| CN106331717A (en) * | 2015-06-30 | 2017-01-11 | 成都鼎桥通信技术有限公司 | Video code rate adaptive adjustment method and transmission-end device |
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| CN109314793A (en) * | 2016-05-18 | 2019-02-05 | Sk电信有限公司 | The method and its equipment of self adaptation stream service are provided |
| CN111417029A (en) * | 2020-02-25 | 2020-07-14 | 广州广哈通信股份有限公司 | Video code rate adjusting method, system, terminal and storage medium |
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| CN114390320A (en) * | 2022-02-18 | 2022-04-22 | 百果园技术(新加坡)有限公司 | Data coding rate self-adaptive adjusting method, device, equipment and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1185071A2 (en) * | 2000-08-23 | 2002-03-06 | Oki Electric Industry Co., Ltd. | Communication connecting device adaptive to an IP network and communication rate control method therefor |
| US20020141392A1 (en) * | 2001-03-30 | 2002-10-03 | Yasuo Tezuka | Gateway apparatus and voice data transmission method |
| CN101001240A (en) * | 2006-01-13 | 2007-07-18 | 清华大学 | Transmission control method and device |
| CN101170691A (en) * | 2007-11-27 | 2008-04-30 | 中国电信股份有限公司 | A method, system and STB for monitoring IPTV service quality |
| CN101252425A (en) * | 2008-04-09 | 2008-08-27 | 杭州华三通信技术有限公司 | Loss package error correcting method and system of self-adapting network |
| CN102065468A (en) * | 2009-11-13 | 2011-05-18 | 华为技术有限公司 | Code rate adjustment method and server |
| CN102113307A (en) * | 2008-07-30 | 2011-06-29 | 三菱电机株式会社 | Image processing device and method, and image display device |
| CN103200192A (en) * | 2013-03-28 | 2013-07-10 | 中国科学院声学研究所 | Encoding and decoding method used for data packets by network encoding layer |
| CN103607661A (en) * | 2013-11-29 | 2014-02-26 | 广州华多网络科技有限公司 | Method and device for transmitting multimedia data |
-
2015
- 2015-01-30 CN CN201510055563.5A patent/CN104580985B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1185071A2 (en) * | 2000-08-23 | 2002-03-06 | Oki Electric Industry Co., Ltd. | Communication connecting device adaptive to an IP network and communication rate control method therefor |
| US20020141392A1 (en) * | 2001-03-30 | 2002-10-03 | Yasuo Tezuka | Gateway apparatus and voice data transmission method |
| CN101001240A (en) * | 2006-01-13 | 2007-07-18 | 清华大学 | Transmission control method and device |
| CN101170691A (en) * | 2007-11-27 | 2008-04-30 | 中国电信股份有限公司 | A method, system and STB for monitoring IPTV service quality |
| CN101252425A (en) * | 2008-04-09 | 2008-08-27 | 杭州华三通信技术有限公司 | Loss package error correcting method and system of self-adapting network |
| CN102113307A (en) * | 2008-07-30 | 2011-06-29 | 三菱电机株式会社 | Image processing device and method, and image display device |
| CN102065468A (en) * | 2009-11-13 | 2011-05-18 | 华为技术有限公司 | Code rate adjustment method and server |
| CN103200192A (en) * | 2013-03-28 | 2013-07-10 | 中国科学院声学研究所 | Encoding and decoding method used for data packets by network encoding layer |
| CN103607661A (en) * | 2013-11-29 | 2014-02-26 | 广州华多网络科技有限公司 | Method and device for transmitting multimedia data |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106331577A (en) * | 2015-06-25 | 2017-01-11 | 阿里巴巴集团控股有限公司 | Coding adjustment method and coding adjustment device |
| CN106331577B (en) * | 2015-06-25 | 2020-08-14 | 阿里巴巴集团控股有限公司 | Method and device for adjusting codes |
| CN106331717A (en) * | 2015-06-30 | 2017-01-11 | 成都鼎桥通信技术有限公司 | Video code rate adaptive adjustment method and transmission-end device |
| CN106331717B (en) * | 2015-06-30 | 2019-05-07 | 成都鼎桥通信技术有限公司 | Video code rate self-adapting regulation method and sending ending equipment |
| CN105376614A (en) * | 2015-10-27 | 2016-03-02 | 南京创维信息技术研究院有限公司 | Video quality optimizing method and device |
| CN105430506A (en) * | 2015-11-06 | 2016-03-23 | 浙江宇视科技有限公司 | Method and device for preventing message from being lost in video playback |
| CN105430506B (en) * | 2015-11-06 | 2018-08-31 | 浙江宇视科技有限公司 | The method and device of message dropping is prevented in a kind of video playback |
| WO2017166493A1 (en) * | 2016-03-31 | 2017-10-05 | 乐视控股（北京）有限公司 | Bandwidth estimation method and device |
| CN105871744A (en) * | 2016-03-31 | 2016-08-17 | 北京小米移动软件有限公司 | Method and device for controlling traffic dynamically |
| CN109314793A (en) * | 2016-05-18 | 2019-02-05 | Sk电信有限公司 | The method and its equipment of self adaptation stream service are provided |
| CN109314793B (en) * | 2016-05-18 | 2021-07-27 | Sk电信有限公司 | Method for providing adaptive streaming service and streaming server |
| CN107222781A (en) * | 2017-06-30 | 2017-09-29 | 深圳市九洲电器有限公司 | The method and system of intelligent gateway dynamic translation code check |
| CN107222781B (en) * | 2017-06-30 | 2020-05-01 | 深圳市九洲电器有限公司 | Method and system for intelligent gateway to dynamically convert code rate |
| CN111417029A (en) * | 2020-02-25 | 2020-07-14 | 广州广哈通信股份有限公司 | Video code rate adjusting method, system, terminal and storage medium |
| CN111417029B (en) * | 2020-02-25 | 2022-06-24 | 广州广哈通信股份有限公司 | Method, system, terminal and storage medium for adjusting video code rate |
| CN112437319A (en) * | 2020-11-10 | 2021-03-02 | 杭州叙简科技股份有限公司 | Method for switching multiple video streams based on webrtc |
| CN114390320A (en) * | 2022-02-18 | 2022-04-22 | 百果园技术(新加坡)有限公司 | Data coding rate self-adaptive adjusting method, device, equipment and storage medium |
| CN114390320B (en) * | 2022-02-18 | 2024-02-13 | 百果园技术(新加坡)有限公司 | Data coding rate self-adaptive adjusting method, device, equipment and storage medium |
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