CN105812922A - Multimedia file data processing method, system, player and client - Google Patents
Multimedia file data processing method, system, player and client Download PDFInfo
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- CN105812922A CN105812922A CN201410842842.1A CN201410842842A CN105812922A CN 105812922 A CN105812922 A CN 105812922A CN 201410842842 A CN201410842842 A CN 201410842842A CN 105812922 A CN105812922 A CN 105812922A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a multimedia file data processing method and system, a player and a client. The multimedia file data processing method comprises steps of invoking a first filter and a second filter which are preset by the system according to the preset regulation when the player constructs a graph filter, transmitting the media file data transmitted by a source filter to the second filter by the first filter, and transmitting media file data to the client by the second filter. The multimedia file data processing method and system, the player and the client solve the problems that the video playing is not smooth and the image quality is poor when the video is being played and the usage rate of a virtual machine CPU is too high. Besides, the player in the invention does not perform decoding and rendering on media file, which saves the CPU resources.
Description
Technical field
The present invention relates to the communications field, in particular to processing method and system, player and the client of a kind of multimedia file data.
Background technology
When cloud desktop uses video scheme broadcasting video in traditional band, video file carries out audio/video decoding in empty machine, more decoded audio, video data is sent to client respectively through the reproducing channel of host-host protocol and the display channel of host-host protocol presents.Can additionally take the CPU usage of empty machine in empty machine end decoding, also reduce the empty machine quantity of same main frame energy Inhaul operation；Decoded data volume is not decode tens times of data volume even hundreds of times simultaneously, takies the network bandwidth in a large number, the data transmission efficiency between the empty machine of impact and desktop.
Fig. 1 is Windows player configuration diagram in correlation technique medium cloud desktop, uses multimedia player in cloud desktop, such as WindowsMediaPlayer, MPC, broadcasting multimedia file；As it is shown in figure 1, in Windows virtual machine, media file is read, decodes, renders broadcasting, it is delivered to client through decoded multi-medium data by Spice passage, finally presents in client.Player core component on current windows platform is given tacit consent to based on MediaFoundation framework based on version of window after DirectShow, Vista, is completed the reading of data by different plug-in units, is decompressed and present.On this basis, different player application realize personalized UI, integrate different video entry.
Fig. 2 is the configuration diagram of Streaming Media kit in correlation technique, and such as Fig. 2, the framework of Streaming Media kit DirectShow is broadly divided into graphic filter managing device FilterGraphManager and three types filter F ilter.FilterGraphManager is used for managing the functions such as the processing procedure of whole data stream, the management beginning of playing process, time-out, stopping.It is divided three classes according to function Filter: SourceFilters term obtains data, and data source can be file, the capture card digital camera etc. in the Internet computer；TransformFilters changes for the form of data, for instance data stream separation/synthesis, decoding/encoding etc.；Data are passed to video card by the final whereabouts of RenderingFilters term data, and sound card carries out multimedia demonstration, or output stores to file.
Visible, in correlation technique, Spice video scheme is in order to save the network bandwidth, and the video play in SpiceServer is to virtual machine is also performed to H.264 compress, and decode and compression all to cause that server CPU takies higher, affect server and supports void machine quantity.And video file decoding in empty machine, and present various Video coding compression ratio is significantly high, but compression process and decompression simultaneously also becomes increasingly complex, and causes that video file occupies substantial amounts of cpu resource when empty machine decoding, and CPU usage is too high；It addition, decoded multi-medium data amount is very big, when these data are transmitted in Spice passage, occupies substantial amounts of bandwidth, had a strong impact on the communication of other Spice passage；Visible when carrying out video playback in the related, it may appear that video playback is very not smooth, unintelligible, card often occurs, also results in virtual machine CPU usage too high, directly result in whole desktop and stuck phenomenon occurs.
For when correlation technique carries out video playback, it may appear that the problem that video playback is very not smooth, unintelligible and virtual machine CPU usage is too high, effective solution is not yet proposed at present.
Summary of the invention
Present invention is primarily targeted at processing method and system, player and client that a kind of multimedia file data is provided, during at least to solve correlation technique carries out video playback, it may appear that the problem that video playback is very not smooth, unintelligible and virtual machine CPU usage is too high.
According to a present invention aspect, it is provided that the processing method of a kind of multimedia file data, including: when player builds graphic filter, the first filter preset according to preset rules calling system and the second filter；The media file data that the supply filter of reception sends is transparent to described second filter by described first filter；Described second filter sends described media file data to client.
Further, when described system is Windowsxp, described first filter is empty decoding filter, described second filter is remote rendering filter, the first filter and the second filter preset according to preset rules calling system include: receive the instruction that user triggers, according to empty decoding filter and described remote rendering filter described in described instruction calls；Or described empty decoding filter and described remote rendering filter is called according to the priority of described systemic presupposition, wherein, described empty decoding filter and described remote rendering filter have limit priority.
Further, when described system is Windows7, described first filter and described second filter are all remote rendering filter, and the first filter and the second filter preset according to preset rules calling system include: obtain the function information of application programming interface；Judge whether described function information indicates the filter calling described system default, when judged result is for being, the filter of presently described system default be switched to described remote rendering filter.
Further, described second filter sends described media file data by client described in IP chain road direction.
According to another aspect of the present invention, it is provided that the processing method of a kind of multimedia file data, client receives the media file data that player sends；Described media file data is decoded and renders by described client；Described client, according to the media file data after decoding and rendering, would correspond to the video of described media file data and plays out.
According to a further aspect of the invention, it is provided that a kind of player, including calling module, for when player builds graphic filter, the first filter preset according to preset rules calling system and the second filter；Described first filter, for being transparent to described second filter by the media file data that the supply filter of reception sends；Described second filter, for sending described media file data to client.
Further, when described system is Windowsxp, described first filter is empty decoding filter, and described second filter is remote rendering filter；Described calling module, for receiving the instruction that user triggers, according to empty decoding filter and described remote rendering filter described in described instruction calls；Or, described empty decoding filter and described remote rendering filter is called according to the priority orders of described systemic presupposition, wherein, described empty decoding filter and described remote rendering filter have limit priority.
Further, when described system is Windows7, described first filter and described second filter are all remote rendering filter；Described calling module includes: acquiring unit, for obtaining the function information of application programming interface；Judging unit, for judging whether described function information indicates the filter calling described system default；Switch unit, for when judged result is for being, being switched to described remote rendering filter by the filter of presently described system default.
According to a further aspect of the invention, it is provided that a kind of client, including: receiver module, for receiving the media file data that player sends；Processing module, for being decoded described media file data and rendering process；Playing module, for according to the media file data after decoding and rendering, would correspond to the video of described media file data and play out.
According to a further aspect of the invention, it is provided that the process system of a kind of multimedia file data, described system includes: the above player and described client.
Pass through the present invention, adopt when player builds picture filter, call the first filter and the second filter, and this first filter and second filters and media file data is not carried out the conversion of form and render, it is only that the media file data got is transparent to client, carry out the form conversion of media file in client and render, media file be not decoded in player by the way and render, saving cpu resource.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is Windows player configuration diagram in correlation technique medium cloud desktop；
Fig. 2 is the configuration diagram of Streaming Media kit in correlation technique；
Fig. 3 is the process flow figure mono-of multimedia file data according to embodiments of the present invention；
Fig. 4 is the process flow figure bis-of multimedia file data according to embodiments of the present invention；
Fig. 5 is player structure block diagram according to embodiments of the present invention；
Fig. 6 is client terminal structure block diagram according to embodiments of the present invention；
Fig. 7 is the process system architecture diagram of multimedia file data according to embodiments of the present invention；
Fig. 8 is the overall system architecture block diagram according to alternative embodiment of the present invention；
Fig. 9 is the schematic diagram that video under Windowsxp system according to embodiments of the present invention redirects；
Figure 10 is that video under Windows7 according to embodiments of the present invention redirects schematic diagram.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Providing the processing method of a kind of multimedia file data in the present embodiment, Fig. 3 is the process flow figure mono-of multimedia file data according to embodiments of the present invention, as it is shown on figure 3, this flow process comprises the steps:
Step S302: when player builds graphic filter, the first filter preset according to preset rules calling system and the second filter；
The media file data that the supply filter of reception sends is transparent to the second filter by the step S304: the first filter；
Step S306: the second filter sends media file data to client.
Pass through the present embodiment, adopt when player builds picture filter, call the first filter and the second filter, and this first filter and second filters and media file data is not carried out the conversion of form and render, it is only that the media file data got is transparent to client, carries out the form conversion of media file in client and render.Media file it is not decoded in player by the present embodiment and renders, saving cpu resource.
In the present embodiment, it is also different that different systems calls the mode of the first filter and the second filter, and, in different systems, the first filter and the second filter also differ；Illustrate accordingly for Windowsxp and Windows7 below；
Application scenarios one: when system is Windowsxp, first filter is empty decoding filter, second filter is remote rendering filter, and the first filter and the mode of the second filter that in above-mentioned steps S102, foundation preset rules calling system is preset can be achieved in that
Mode one: receive the instruction that user triggers, according to instruction calls sky decoding filter and remote rendering filter.
Mode two: call sky decoding filter and remote rendering filter according to the priority of systemic presupposition, wherein, empty decoding filter and remote rendering filter have limit priority.
Application scenarios two: when system is Windows7, first filter and the second filter are all remote rendering filter, and the first filter and the mode of the second filter that in above-mentioned steps S102, foundation preset rules calling system is preset can be achieved in that
Step S11: obtain the function information of application programming interface；
Step S12: whether discriminant function information indicates the filter that calling system is given tacit consent to, when judged result is for being, current system the filter given tacit consent to is switched to remote rendering filter.
It should be noted that above two system is intended merely to and is illustrated, the system of the first filter and the corresponding function of the second filter can be realized also within protection scope of the present invention at other.
Alternatively, in an optional embodiment of the present embodiment, the second filter sends media file data by IP chain road direction client, and optionally this IP link is Socket passage.And for this Socket passage walk be band outside, it does not have by simple protocol independent computation environment (SimpleProtocolforIndependentComputingEnvironment is referred to as Spice), and then be effectively saved bandwidth.
Fig. 4 is the process flow figure bis-of multimedia file data according to embodiments of the present invention, and as shown in Figure 4, the method includes:
Step S402: client receives the media file data that player sends；
Step S404: media file data is decoded and renders by client；
Step S406: client, according to the media file data after decoding and rendering, would correspond to the video of media file data and plays out.
Pass through the present embodiment, it would be desirable to the media file data of broadcasting is decoded in client and renders, from without carrying out the decoding of media file data the player of cloud desktop and rendering, save the resource of CPU.
Additionally providing a kind of player and client in the present embodiment, this player and client are used for realizing above-described embodiment and preferred implementation, have be carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.
Fig. 5 is player structure block diagram according to embodiments of the present invention, as it is shown in figure 5, this player includes:
Calling module 52, for when player builds graphic filter, according to the first filter 54 and the second filter 56 that preset rules calling system is preset；First filter 54 is of coupled connections with calling module 52, for the media file data that the supply filter of reception sends is transparent to the second filter；Second filter 56 and the first filter 54 are of coupled connections, for sending media file data to client.
In the present embodiment, it is also different that different systems calls the mode of the first filter and the second filter, and, in different systems, the first filter and the second filter also differ；Illustrate accordingly for Windowsxp and Windows7 below；
Application scenarios one: when system is Windowsxp, the first filter is empty decoding filter, and the second filter is remote rendering filter；
Alternatively, calling module 52, for receiving the instruction that user triggers, according to instruction calls sky decoding filter and remote rendering filter；Or, call sky decoding filter and remote rendering filter according to the priority orders of systemic presupposition, wherein, empty decoding filter and remote rendering filter have limit priority.
Application scenarios two: when system is Windows7, the first filter and the second filter are all remote rendering filter；
Calling module 52 can also include: acquiring unit, for obtaining the function information of application programming interface；Judging unit and acquiring unit are of coupled connections, for whether discriminant function information indicates the filter that calling system gives tacit consent to；Switch unit and judging unit are of coupled connections, and for when judged result is for being, current system the filter given tacit consent to is switched to remote rendering filter.
Fig. 6 is client terminal structure block diagram according to embodiments of the present invention, and as shown in Figure 6, this client includes: receiver module 62, for receiving the media file data that player sends；Processing module 64 and receiver module 62 are of coupled connections, for media file data being decoded and rendering；Playing module 66 and processing module 64 are of coupled connections, for according to the media file data after decoding and rendering, would correspond to the video of media file data and play out.
Fig. 7 is the process system architecture diagram of multimedia file data according to embodiments of the present invention, as it is shown in fig. 7, this system includes: player and client in the embodiment of the present invention.
Below in conjunction with optional embodiment of the present invention, the present invention is illustrated；
This alternative embodiment employs Detour and long-range injection technique, player is for WindowsMediaPlayer, in conjunction with Fig. 8, Fig. 9 and Figure 10, alternative embodiment of the present invention is described in detail, Fig. 8 is the overall system architecture block diagram according to alternative embodiment of the present invention, as shown in Figure 8, in this device, the player in Windows virtual machine includes media file, and includes the assembly for multi-medium data being decoded and play in the client.
Fig. 9 is the schematic diagram that video under Windowsxp system according to embodiments of the present invention redirects, as shown in Figure 9, the video redirection scheme of the WindowsMediaPlayer under Windowsxp: register NullFilter and the RemoteRendererFilter that we write in systems, player can call our Filter when building FilterGraph, thus achieves video and redirects.For avoiding doing soft decoding in virtual machine, and support various different player, then DecoderFilter and the RendererFilter in created for player FilterGraph must be replaced, as shown in Figure 5, NULLDecoder is the Filter not carrying out actual coding, simply by the SourceFilter data penetration transmission sent to RemoteRender, RemoteRender builds on the connection of client, and the data not decoded are sent to client, client it is decoded and presents.
For the player adopting intelligent link, can pass through the priority Merit value of NULLDecoder and RemoteRendererFilter is arranged to high priority, thus player automatically selects NULLDecoder and RemoteRendererFilter when constructing FilterGraph, thus realizing the redirection of media data.
Figure 10 is that video under Windows7 according to embodiments of the present invention redirects schematic diagram, as shown in Figure 10,
First the Filter needing oh amendment Windows7 system selected according to user in the process of FilterGraph is built at media player, by intercepting and capturing the API of WindowsDirectShow, judge inside Hook Function: if Decoder/Render, then replaced to RemoteRender, this RemoteRender will not carry out the decoding of video and render after receiving media data, but directly media data is sent to client by Socket.
By this alternative embodiment, when playing video in empty machine desktop, being extracted by the Video coding of empty machine and separate with desktop protocol, video does not decode in empty machine but is transmitted directly to client and is decoded playing, and reduces the utilization rate of CPU.And transmitting is passed through by Socket, what namely walk is outside band, without by Spice passage, has been effectively saved bandwidth.It should be noted that the player redirected through video can support multiple format such as AVI, FLV, RM, RMVB.
Make an explanation such as following table for the english abbreviation that the present embodiments relate to:
These are only optional embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. the processing method of a multimedia file data, it is characterised in that including:
Player build graphic filter time, according to preset rules calling system preset the first filter and the second filter；
The media file data that the supply filter of reception sends is transparent to described second filter by described first filter；
Described second filter sends described media file data to client.
2. method according to claim 1, it is characterized in that, when described system is Windowsxp, described first filter is empty decoding filter, described second filter is remote rendering filter, and the first filter and the second filter preset according to preset rules calling system include:
Receive the instruction that user triggers, according to empty decoding filter and described remote rendering filter described in described instruction calls；Or described empty decoding filter and described remote rendering filter is called according to the priority of described systemic presupposition, wherein, described empty decoding filter and described remote rendering filter have limit priority.
3. method according to claim 1, it is characterized in that, when described system is Windows7, described first filter and described second filter are all remote rendering filter, and the first filter and the second filter preset according to preset rules calling system include:
Obtain the function information of application programming interface；
Judge whether described function information indicates the filter calling described system default, when judged result is for being, the filter of presently described system default be switched to described remote rendering filter.
4. method according to claim 1, it is characterised in that described second filter sends described media file data by client described in IP chain road direction.
5. the processing method of a multimedia file data, it is characterised in that
Client receives the media file data that player sends；
Described media file data is decoded and renders by described client；
Described client, according to the media file data after decoding and rendering, would correspond to the video of described media file data and plays out.
6. a player, it is characterised in that including:
Calling module, for player build graphic filter time, according to preset rules calling system preset the first filter and the second filter；
Described first filter, for being transparent to described second filter by the media file data that the supply filter of reception sends；
Described second filter, for sending described media file data to client.
7. player according to claim 6, it is characterised in that when described system is Windowsxp, described first filter is empty decoding filter, and described second filter is remote rendering filter；
Described calling module, for receiving the instruction that user triggers, according to empty decoding filter and described remote rendering filter described in described instruction calls；Or, described empty decoding filter and described remote rendering filter is called according to the priority orders of described systemic presupposition, wherein, described empty decoding filter and described remote rendering filter have limit priority.
8. player according to claim 6, it is characterised in that when described system is Windows7, described first filter and described second filter are all remote rendering filter；Described calling module includes:
Acquiring unit, for obtaining the function information of application programming interface；
Judging unit, for judging whether described function information indicates the filter calling described system default；
Switch unit, for when judged result is for being, being switched to described remote rendering filter by the filter of presently described system default.
9. a client, it is characterised in that including:
Receiver module, for receiving the media file data that player sends；
Processing module, for being decoded described media file data and rendering process；
Playing module, for according to the media file data after decoding and rendering, would correspond to the video of described media file data and play out.
10. the process system of a multimedia file data, it is characterised in that described system includes: player described in any one of claim 6 to 8 and client described in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410842842.1A CN105812922A (en) | 2014-12-30 | 2014-12-30 | Multimedia file data processing method, system, player and client |
| PCT/CN2015/086168 WO2016107174A1 (en) | 2014-12-30 | 2015-08-05 | Method and system for processing multimedia file data, player and client |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410842842.1A CN105812922A (en) | 2014-12-30 | 2014-12-30 | Multimedia file data processing method, system, player and client |
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| CN105812922A true CN105812922A (en) | 2016-07-27 |
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| CN201410842842.1A Pending CN105812922A (en) | 2014-12-30 | 2014-12-30 | Multimedia file data processing method, system, player and client |
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| WO (1) | WO2016107174A1 (en) |
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| WO2016107174A1 (en) | 2016-07-07 |
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Application publication date: 20160727 |