CN102111617A - Streaming media decoding method and device - Google Patents
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- CN102111617A CN102111617A CN 201010589091 CN201010589091A CN102111617A CN 102111617 A CN102111617 A CN 102111617A CN 201010589091 CN201010589091 CN 201010589091 CN 201010589091 A CN201010589091 A CN 201010589091A CN 102111617 A CN102111617 A CN 102111617A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000013507 mapping Methods 0.000 claims abstract description 62
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000013011 mating Effects 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention provides a streaming media file decoding method for a mobile terminal with a CPU (Central Processing Unit). The method comprises the following steps: detecting the type information of the CPU; according to the detected type information of the CPU and the stored mapping table, determining the configuration of a streaming media file decoding engine and the matching relation between the pre-stored CPU type in the mapping table and the best configuration of the streaming media file decoding engine; and decoding the streaming media file by utilizing the determined configuration of the streaming media file decoding engine. When the best configuration of the streaming media file decoding engine matched with the detected CPU type exists in the mapping table, the matched best configuration of the streaming media file decoding engine serves as the determined configuration of the streaming media file decoding engine, and when the best configuration of the streaming media file decoding engine matched with the detected CPU type does not exist in the mapping table, a universal configuration of the streaming media file decoding engine serves as the determined configuration of the streaming media file decoding engine.
Description
Technical field
The present invention relates to field of mobile terminals, more specifically, relate to Streaming Media coding/decoding method and device based on the portable terminal that is built-in with CPU.
Background technology
In recent years, Streaming Media becomes a kind of popular media formats gradually, and so-called Streaming Media is meant the media formats that the mode of employing stream transmission is play at Internet.Streaming Media is streaming video again, and it is meant that businessman sends program with a video delivery server as packet, be sent on the network.After the user carried out decompress(ion) by decompression apparatus to these data, program will show as before sending.
In order on portable terminal, to watch files in stream media, each portable terminal generates producer and has all developed the portable terminal that is built-in with CPU, for example, developed the portable terminal of Type C PU such as having ARM9, ARM11, Intel, high pass, Samsung and Marvell.When watching files in stream media, the portable terminal of the various CPU of having all utilizes public files in stream media decoding algorithm to come files in stream media is carried out decompress(ion), then, and the multimedia file after playing this decompress(ion) on the browser of portable terminal.
Yet the dissimilar CPU frameworks that portable terminal had that is built-in with CPU may be different.Usually, at different CPU frameworks, when the decompress(ion) files in stream media, can there be different optimized Algorithm usually.In this case, if the portable terminal for the various CPU of having all adopts public files in stream media decoding algorithm to come files in stream media is decoded, then may not realize best files in stream media decoding performance, thereby can not bring best visual enjoyment to the user.
Therefore, need a kind of files in stream media coding/decoding method and device based on the portable terminal that is built-in with CPU, it can be at the best files in stream media decoding algorithm of different CPU framework dynamic adaptation.
Summary of the invention
In view of above-mentioned, the invention provides a kind of files in stream media coding/decoding method and device of portable terminal, this portable terminal has CPU, described method and apparatus can be at the best files in stream media decoding algorithm of different CPU framework dynamic adaptation, thereby realize best Streaming Media decoding performance, bring best visual enjoyment to the user.
According to an aspect of the present invention, provide a kind of files in stream media coding/decoding method of portable terminal, this portable terminal has CPU, and described method comprises: the type information that detects the CPU that described portable terminal has; According to the mapping table of being stored in detected cpu type information and described portable terminal or the server, determine the configuration of files in stream media Decode engine, store the matching relationship between the configuration of cpu type and optimum files in stream media Decode engine in the described mapping table in advance; And utilize the files in stream media Decode engine of being determined to dispose, files in stream media is decoded, wherein, when in described mapping table, existing the optimum files in stream media Decode engine of mating to dispose with detected cpu type, the optimum files in stream media Decode engine configuration of this coupling is disposed as determined files in stream media Decode engine, and when in described mapping table, not existing the optimum files in stream media Decode engine of mating to dispose, general files in stream media Decode engine configuration is disposed as determined files in stream media Decode engine with detected cpu type.
In addition, when the optimum files in stream media Decode engine configuration that do not exist in described mapping table with detected cpu type coupling, described method also comprises: will detectedly not exist cpu type information uploading that coupling files in stream media Decode engine disposes to server in described mapping table.
In addition, when described mapping table is stored on the server, determine that the step of files in stream media Decode engine comprises: detected cpu type information is sent to server; According to the mapping table of storing in cpu type information that is received and the described server, on described server, determine described files in stream media Decode engine configuration; And the configuration of the files in stream media Decode engine determined sent to described portable terminal.
According to a further aspect in the invention, provide a kind of files in stream media decoding device that is used for portable terminal, this portable terminal has CPU, and described decoding device comprises: the cpu type detecting unit is used to detect the type information of the CPU that described portable terminal has; The Decode engine determining unit, be used for the mapping table stored according to detected cpu type information and described CPU type portable terminal or server, determine the configuration of files in stream media Decode engine, store the matching relationship between the configuration of cpu type and optimum files in stream media Decode engine in the described mapping table in advance; And decoding unit, be used to utilize the files in stream media Decode engine configuration of being determined, files in stream media is decoded, wherein, when in described mapping table, existing the optimum files in stream media Decode engine of mating to dispose with detected cpu type, the optimum files in stream media Decode engine configuration that described Decode engine determining unit will be mated is as determined files in stream media Decode engine configuration, and when not existing the optimum files in stream media Decode engine of mating with detected cpu type to dispose in described mapping table, described Decode engine determining unit disposes general files in stream media Decode engine configuration as determined files in stream media Decode engine.
In addition, described device also comprises cpu type information uploading unit, be used for when the optimum files in stream media Decode engine configuration that do not exist at described mapping table with detected cpu type coupling, with the detected cpu type information uploading of coupling files in stream media Decode engine configuration that in described mapping table, do not exist to server.
In addition, when described mapping table was stored in the portable terminal, all unit of described device were realized in described portable terminal.
In addition, when described mapping table was stored in the server, cpu type detecting unit and decoding unit in the described device were realized at described portable terminal, and described Decode engine determining unit realizes in described server.
According to a further aspect in the invention, provide a kind of portable terminal, comprised said apparatus.
According to a further aspect in the invention, provide a kind of system, having comprised: portable terminal, described portable terminal has CPU; And server, the files in stream media Decode engine that is used for memory map assignments and is adopted when determining files in stream media decoded, store the matching relationship between the configuration of cpu type and optimum files in stream media Decode engine in the described mapping table in advance, wherein, described portable terminal also comprises: the cpu type detecting unit is used to detect the type information of the CPU that described portable terminal has; First transmitting element is used for detected cpu type information is sent to described server; First receiving element is used for receiving determined files in stream media Decode engine from described server; And decoding unit, be used to utilize the files in stream media Decode engine that is received, files in stream media is decoded; And described server comprises: second receiving element is used for receiving the cpu type information that is detected from described portable terminal; The Decode engine determining unit is used for the mapping table stored according to detected cpu type information and described server, determines the files in stream media Decode engine configuration of adopting when files in stream media is decoded; Second transmitting element, the files in stream media Decode engine configuration that is used for being determined sends to described portable terminal.
In order to realize above-mentioned and relevant purpose, one or more aspects of the present invention comprise the feature that the back will describe in detail and particularly point out in the claims.Following explanation and accompanying drawing describe some illustrative aspects of the present invention in detail.Yet, the indication of these aspects only be some modes that can use in the variety of way of principle of the present invention.In addition, the present invention is intended to comprise all these aspects and their equivalent.
Beneficial effect
Utilize said method and device, can be at the best files in stream media decoding algorithm of different CPU framework dynamic adaptation, thus realize best Streaming Media decoding performance, bring best visual enjoyment to the user.
Description of drawings
By the content of reference below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present invention, other purpose of the present invention and result will understand and easy to understand more.In the accompanying drawings:
Fig. 1 shows the flow chart of files in stream media coding/decoding method of the portable terminal of the CPU of being built-in with according to an embodiment of the invention, and wherein mapping table is stored in the portable terminal;
Fig. 2 shows the flow chart of the files in stream media coding/decoding method of the portable terminal that is built-in with CPU according to another embodiment of the present invention, and wherein mapping table is stored in the memory;
Fig. 3 shows the block diagram that is used for the files in stream media decoding device of portable terminal according to an embodiment of the invention, and this portable terminal is built-in with CPU;
Fig. 4 shows the block diagram of the portable terminal with files in stream media decoding device according to an embodiment of the invention; With
Fig. 5 shows the block diagram of files in stream media decode system according to another embodiment of the present invention.
Identical label is indicated similar or corresponding feature or function in institute's drawings attached.
Embodiment
In the following description, for purposes of illustration,, many details have been set forth for the complete understanding to one or more embodiment is provided.Yet, clearly, can not have to realize these embodiment under the situation of these details yet.In other example, one or more for convenience of description embodiment, known structure and equipment illustrate with the form of block diagram.
Come below with reference to accompanying drawings each embodiment according to the present invention is described in detail.
Fig. 1 shows the flow chart of files in stream media coding/decoding method of the portable terminal of the CPU of being built-in with according to an embodiment of the invention, and wherein mapping table is stored in the portable terminal.
As shown in Figure 1, at first, in step S110, detect the type information of the CPU that described portable terminal has.For example, the type that detects the CPU that described portable terminal has is ARM9, ARM11, Intel, high pass, Samsung or Marvell type, perhaps other cpu type.
Then, in step S120,, determine the configuration of files in stream media Decode engine according to the mapping table of being stored in detected cpu type information and the described CPU type portable terminal.Here, in described mapping table, store in advance cpu type and optimum files in stream media Decode engine the configuration between matching relationship.Described optimum files in stream media Decode engine configuration is the optimization files in stream media decoding algorithm of developing respectively at different cpu types.Before carrying out method of the present invention, will be stored in correspondingly in this mapping table with this cpu type at different CPU type optimization files in stream media decoding algorithm conduct of developing respectively and the optimum decoding engine configuration that this cpu type mates.Particularly, when determining the files in stream media Decode engine configuration of using when files in stream media decoded, when in described mapping table, existing the optimum files in stream media Decode engine of mating to dispose with detected cpu type, the optimum files in stream media Decode engine configuration of this coupling is disposed as determined files in stream media Decode engine, and when in described mapping table, not existing the optimum files in stream media Decode engine of mating to dispose, general files in stream media Decode engine configuration is disposed as determined files in stream media Decode engine with detected cpu type.
Then, in step S130, utilize the files in stream media Decode engine configuration of being determined, files in stream media is decoded.
In addition, preferably, when in described mapping table, not existing the optimum files in stream media Decode engine of mating to dispose with detected cpu type, the detected cpu type information uploading that does not have the configuration of coupling files in stream media Decode engine in described mapping table to server, is researched and developed the files in stream media Decode engine configuration of the optimization of coupling at this cpu type for future.
Here be noted that said method can utilize portable terminal to realize.
Fig. 2 shows the flow chart of the files in stream media coding/decoding method of the portable terminal that is built-in with CPU according to another embodiment of the present invention, and wherein mapping table is stored in the memory.
As shown in Figure 2, at first, in step S210, detect the type information of the CPU that described portable terminal has.Then, in step S220,, send to server with detected cpu type information.
After server receives detected cpu type information, at step S230, at server side,, determine the files in stream media Decode engine configuration of when files in stream media is decoded, adopting according to the mapping table of storing in cpu type information that is received and the described server.Here, about the concrete steps of deterministic process and top identical, do not repeat them here at the described step S120 of Fig. 1.Then, at step S240, the files in stream media Decode engine configuration of being determined is sent to described portable terminal.
After this,,, utilize the files in stream media Decode engine configuration that is received, files in stream media is decoded at portable terminal at step S250.
In addition, preferably, when in described mapping table, not existing the optimum files in stream media Decode engine of mating to dispose with detected cpu type, the detected cpu type information uploading that does not have the configuration of coupling files in stream media Decode engine in described mapping table to server, is researched and developed the files in stream media Decode engine configuration of the optimization of coupling at this cpu type for future.
As above see figures.1.and.2 and described files in stream media coding/decoding method according to the portable terminal of the CPU of being built-in with of the present invention.The above-mentioned files in stream media coding/decoding method that is built-in with the portable terminal of CPU of the present invention can adopt software to realize, also can adopt hardware to realize, or adopts the mode of software and hardware combination to realize.
Fig. 3 shows the block diagram according to the files in stream media decoding device 300 of the portable terminal that is used to be built-in with CPU of the present invention.As shown in Figure 3, files in stream media decoding device 300 according to the present invention can comprise cpu type detecting unit 310, Decode engine determining unit 320 and decoding unit 330.
At first, described cpu type detecting unit 310 detects the type information of the CPU that described portable terminal had.For example, the type that detects the CPU that described portable terminal has is ARM9, ARM11, Intel, high pass, Samsung or Marvell type, perhaps other cpu type.
Then, according to the mapping table of being stored in detected cpu type information and described CPU type portable terminal or the server, described Decode engine determining unit 320 is determined the configuration of files in stream media Decode engine.Here, in described mapping table, store in advance cpu type and optimum files in stream media Decode engine the configuration between matching relationship.Described optimum files in stream media Decode engine configuration is the optimization files in stream media decoding algorithm of developing respectively at different cpu types.Before carrying out method of the present invention, will be stored in correspondingly in this mapping table with this cpu type at different CPU type optimization files in stream media decoding algorithm conduct of developing respectively and the optimum decoding engine configuration that this cpu type mates.
Particularly, when determining the files in stream media Decode engine configuration of using when files in stream media decoded, when existing the optimum files in stream media Decode engine of mating with detected cpu type to dispose in described mapping table, the optimum files in stream media Decode engine configuration that described Decode engine determining unit 320 will be mated is as determined files in stream media Decode engine configuration.When not existing the optimum files in stream media Decode engine of mating with detected cpu type to dispose in described mapping table, described Decode engine determining unit 320 disposes general files in stream media Decode engine configuration as determined files in stream media Decode engine.
Then, decoding unit 330 utilizes the files in stream media Decode engine configuration of being determined, and files in stream media is decoded.
Here be noted that described files in stream media decoding device 300 can realize in portable terminal all that this is stored in the portable terminal corresponding to mapping table.Fig. 4 shows the portable terminal 10 that comprises according to files in stream media decoding device 300 of the present invention.
Typically, portable terminal of the present invention can be the various terminal equipments that may carry out web page browsing, for example mobile phone, personal digital assistant etc., so protection scope of the present invention should not be defined as the portable terminal of certain particular type.
In addition, described files in stream media decoding device also can part realize in portable terminal that part realizes that in server this is stored in the server corresponding to mapping table.Fig. 5 shows the block diagram of files in stream media decode system 500 according to another embodiment of the present invention.
As shown in Figure 5, described files in stream media decode system 500 can comprise portable terminal 202 and server 30.Wherein, described portable terminal 20 has the CPU (not shown), and described portable terminal 20 can also comprise cpu type detecting unit 510, first transmitting element 520, first receiving element 530 and decoding unit 540.Described server 30 can comprise second receiving element 550, Decode engine determining unit 560 and second transmitting element 570.
Cpu type detecting unit 510 in the described portable terminal 20 detects the type information of the CPU that described portable terminal had.After detecting cpu type information, first transmitting element 520 in the described portable terminal 20 sends to described server 30 with detected cpu type information.
After second receiving element 550 in described server 30 receives the cpu type information that is detected from described portable terminal, Decode engine determining unit 560 in the described server 30 is determined the files in stream media Decode engine configuration of adopting according to the mapping table of being stored in detected cpu type information and the described server when files in stream media is decoded.After determining the configuration of files in stream media Decode engine, second transmitting element 570 in the described server 30 sends to the files in stream media Decode engine configuration of being determined first receiving element 530 of described portable terminal 20.
Then, the decoding unit 540 in the described portable terminal 20 utilizes the files in stream media Decode engine that is received, and files in stream media is decoded.
Although the disclosed content in front shows exemplary embodiment of the present invention, should be noted that under the prerequisite of the scope of the present invention that does not deviate from the claim qualification, can carry out multiple change and modification.Function, step and/or action according to the claim to a method of inventive embodiments described herein do not need to carry out with any particular order.In addition, although element of the present invention can be with individual formal description or requirement, also it is contemplated that a plurality of, unless clearly be restricted to odd number.
Although disclose the present invention in conjunction with the preferred embodiment that is shown specifically and describes, but those skilled in the art are to be understood that, for files in stream media coding/decoding method and the device that the invention described above proposed, can also on the basis that does not break away from content of the present invention, make various improvement based on the portable terminal that is built-in with CPU.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (9)
1. the files in stream media coding/decoding method of a portable terminal, described portable terminal has CPU, and described method comprises:
Detect the type information of the CPU that described portable terminal has;
According to the mapping table of being stored in detected cpu type information and described portable terminal or the server, determine the configuration of files in stream media Decode engine, store the matching relationship between the configuration of cpu type and optimum files in stream media Decode engine in the described mapping table in advance; And
Utilize the files in stream media Decode engine configuration of being determined, files in stream media decoded,
Wherein, when the optimum files in stream media Decode engine of existence in described mapping table and detected cpu type coupling disposes, the optimum files in stream media Decode engine configuration of this coupling is disposed as determined files in stream media Decode engine, and
When in described mapping table, not existing the optimum files in stream media Decode engine of mating to dispose, general files in stream media Decode engine configuration is disposed as determined files in stream media Decode engine with detected cpu type.
2. the method for claim 1 when the optimum files in stream media Decode engine configuration that do not exist in described mapping table with detected cpu type coupling, also comprises:
With the detected cpu type information uploading of coupling files in stream media Decode engine configuration that in described mapping table, do not exist to server.
3. the method for claim 1, wherein when described mapping table is stored on the server, determine that the step of files in stream media Decode engine comprises:
Detected cpu type information is sent to server;
According to the mapping table of storing in cpu type information that is received and the described server, on described server, determine described files in stream media Decode engine configuration; And
The files in stream media Decode engine configuration of being determined is sent to described portable terminal.
4. files in stream media decoding device that is used for portable terminal, described portable terminal has CPU, and described decoding device comprises:
The cpu type detecting unit is used to detect the type information of the CPU that described portable terminal has;
The Decode engine determining unit, be used for the mapping table stored according to detected cpu type information and described portable terminal or server, determine the configuration of files in stream media Decode engine, store the matching relationship between the configuration of cpu type and optimum files in stream media Decode engine in the described mapping table in advance; And
Decoding unit is used to utilize the files in stream media Decode engine configuration of being determined, files in stream media decoded,
Wherein, when in described mapping table, existing the optimum files in stream media Decode engine of mating to dispose with detected cpu type, the optimum files in stream media Decode engine configuration that described Decode engine determining unit will be mated is disposed as determined files in stream media Decode engine, and
When not existing the optimum files in stream media Decode engine of mating with detected cpu type to dispose in described mapping table, described Decode engine determining unit disposes general files in stream media Decode engine configuration as determined files in stream media Decode engine.
5. device as claimed in claim 4 also comprises:
Cpu type information uploading unit, be used for when the optimum files in stream media Decode engine configuration that do not exist at described mapping table with detected cpu type coupling, with the detected cpu type information uploading of coupling files in stream media Decode engine configuration that in described mapping table, do not exist to server.
6. as claim 4 or 5 described devices, wherein, when described mapping table was stored in the portable terminal, all unit of described device were realized in described portable terminal.
7. as claim 4 or 5 described devices, wherein, when described mapping table was stored in the server, cpu type detecting unit and decoding unit in the described device were realized at described portable terminal, and described Decode engine determining unit realizes in described server.
8. a portable terminal comprises as claim 4 or 5 described devices.
9. files in stream media decode system comprises:
Portable terminal, described portable terminal has CPU; And
Server, the files in stream media Decode engine that is used for memory map assignments and is adopted when determining files in stream media decoded is stored the matching relationship between the configuration of cpu type and optimum files in stream media Decode engine in advance in the described mapping table,
Wherein, described portable terminal also comprises:
The cpu type detecting unit is used to detect the type information of the CPU that described portable terminal has;
First transmitting element is used for detected cpu type information is sent to described server;
First receiving element is used for receiving determined files in stream media Decode engine from described server; And
Decoding unit is used to utilize the files in stream media Decode engine that is received, and files in stream media is decoded; And
Described server comprises:
Second receiving element is used for receiving the cpu type information that is detected from described portable terminal;
The Decode engine determining unit is used for the mapping table stored according to detected cpu type information and described server, determines the files in stream media Decode engine configuration of adopting when files in stream media is decoded;
Second transmitting element, the files in stream media Decode engine configuration that is used for being determined sends to described portable terminal.
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| CN 201010589091 CN102111617B (en) | 2010-12-15 | 2010-12-15 | Streaming media decoding method and device |
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| CN 201010589091 CN102111617B (en) | 2010-12-15 | 2010-12-15 | Streaming media decoding method and device |
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| CN110225352B (en) * | 2019-06-27 | 2021-03-05 | 深圳市云语科技有限公司 | Cloud game video coding and decoding selection method based on capability negotiation |
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| CN114339325B (en) * | 2021-12-30 | 2023-12-19 | 珠海豹趣科技有限公司 | Multi-engine dynamic wallpaper playing method and device based on android system |
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