CN105704508A - Video merging method and device - Google Patents
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- CN105704508A CN105704508A CN201610006291.4A CN201610006291A CN105704508A CN 105704508 A CN105704508 A CN 105704508A CN 201610006291 A CN201610006291 A CN 201610006291A CN 105704508 A CN105704508 A CN 105704508A
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- 230000008569 process Effects 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 16
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- 238000004590 computer program Methods 0.000 description 7
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- 238000005516 engineering process Methods 0.000 description 2
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Classifications
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
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- 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
- H04N21/44016—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 splicing one content stream with another content stream, e.g. for substituting a video clip
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- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The present invention discloses a video merging method and device. The method comprises the steps of obtaining the video format of a first video; transforming the video format of a to-be-merged second video into the video format of the first video; merging the second video after the video format transformation with the first video. By the technical scheme of the present invention, the video format of the to-be-merged second video can be transformed into the video format of the first video automatically according to the video format of the first video, so that the video formats of the first and second videos are totally same, and further the first and second videos are merged automatically to determine the integrity of a program or an advertisement, and the playing problems that the merged video can not be played or is played abnormally, the front and back picture qualities are different, the playing situations are inconsistent, etc., caused by that the first and second videos of different video formats are merged together, can be avoided.
Description
Technical field
The present invention relates to video technique field, merge method and device particularly to a kind of video。
Background technology
Generally, the end position of each program has a run-out, and such as copyright statement etc., and this run-out is individually to provide, it is necessary to be added into after this program。But, the video format of run-out is likely to different from other video format of this program, thus, the other parts that run-out is directly added to this program can cause cannot playing, playing the playback problem such as abnormal, front and back image quality different, broadcasting situation is inconsistent。
Summary of the invention
The present invention provides a kind of video to merge method and device, in order to when the first video and the second video are merged, can according to the video format of the first video, automatically the video format of the second video to be combined is converted to the video format of the first video, so that both video formats are identical, and then automatically the second video and the first video are merged, to determine the integrity of program or advertisement, and can avoid due to the video format of the second video and the first video different and be merged together and cause merge after video cannot play, play abnormal, front and back image quality is different, the playback problem such as broadcasting situation is inconsistent。
The present invention provides a kind of video to merge method, including: obtain the video format of the first video；
The video format of the second video to be combined is converted to the video format of described first video；
The second video after being changed by video format and described first video merge。
In one embodiment, the described video format by the second video to be combined is converted to the video format of described first video, including:
Described second video is decoded；
By the frame per second that frame rate conversion is described first video of decoded described second video。
In one embodiment, the described video format by the second video to be combined is converted to the video format of described first video, also includes:
After by the frame per second that frame rate conversion is described first video of decoded described second video, decoded described second video is encoded；
In the process of coding, the target video attribute of described second video is converted to the target video attribute of described first video；
Described video format is changed after the second video and described first video merge, including:
When coding completes, described second video after being changed by target video attribute and described first video merge, and wherein, described target video attribute includes at least one attribute following: video height, video width, coded format, pixel format, code check。
In one embodiment, described second video includes: the run-out of target program,
Described first video includes: remaining video except described run-out in described target program, wherein, described remaining video includes: the head of described target program。
In one embodiment, the video format of described acquisition the first video, including:
Resolve described head, from described head, obtain the video format of described first video；And/or
Resolve the partial video except described head in described remaining video, from described partial video, obtain the video format of described first video。
The present invention also provides for a kind of video and merges device, including:
Acquisition module, for obtaining the video format of the first video；
Modular converter, for being converted to the video format of described first video by the video format of the second video to be combined；
Merge module, merge for the second video after video format is changed and described first video。
In one embodiment, described modular converter includes:
Decoding sub-module, for being decoded described second video；
First transform subblock, for by the frame per second that frame rate conversion is described first video of decoded described second video。
In one embodiment, described modular converter also includes:
Encoding submodule, for after by the frame per second that frame rate conversion is described first video of decoded described second video, being encoded decoded described second video；
Second transform subblock, for, in the process of coding, being converted to the target video attribute of described first video by the target video attribute of described second video；
Merge module to include:
Merge submodule, for when coding completes, described second video after being changed by target video attribute and described first video merge, and wherein, described target video attribute includes at least one attribute following: video height, video width, coded format, pixel format, code check。
In one embodiment, described second video includes: the run-out of target program,
Described first video includes: remaining video except described run-out in described target program, wherein, described remaining video includes: the head of described target program。
In one embodiment, described acquisition module includes:
First analyzing sub-module, is used for resolving described head, obtains the video format of described first video from described head；And/or
Second analyzing sub-module, for resolving in described remaining video the partial video except described head, obtains the video format of described first video from described partial video。
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect:
When the first video and the second video are merged, can according to the video format of the first video, automatically the video format of the second video to be combined is converted to the video format of the first video, so that both video formats are identical, and then automatically the second video and the first video are merged, to determine the integrity of program or advertisement, and can avoid due to the video format of the second video and the first video different and be merged together and cause merge after video cannot play, play abnormal, front and back image quality is different, the playback problem such as broadcasting situation is inconsistent。
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention。The purpose of the present invention and other advantages can be realized by structure specifically noted in the description write, claims and accompanying drawing and be obtained。
Below by drawings and Examples, technical scheme is described in further detail。
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, is used for together with embodiments of the present invention explaining the present invention, is not intended that limitation of the present invention。In the accompanying drawings:
Fig. 1 is the flow chart that a kind of video according to an exemplary embodiment merges method。
Fig. 2 is the flow chart that the another kind of video according to an exemplary embodiment merges method。
Fig. 3 is the flow chart that another video according to an exemplary embodiment merges method。
Fig. 4 is the block diagram that a kind of video according to an exemplary embodiment merges device。
Fig. 5 is the block diagram that the another kind of video according to an exemplary embodiment merges device。
Fig. 6 is the block diagram that another video according to an exemplary embodiment merges device。
Fig. 7 is the block diagram that another video according to an exemplary embodiment merges device。
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the present invention, is not intended to limit the present invention。
In correlation technique, the end position of each program has a run-out, and such as copyright statement etc., and this run-out is individually to provide, it is necessary to be added into after this program。But, the video format of run-out is likely to different from other video format of this program, thus, the other parts that run-out is directly added to this program can cause cannot playing, playing the playback problem such as abnormal, front and back image quality different, broadcasting situation is inconsistent。
In order to solve above-mentioned technical problem, disclosure embodiment provides a kind of video and merges method, and the method is suitable in video consolidation procedure, system or device, and its executive agent is terminal, as it is shown in figure 1,
Step S101, obtains the video format of the first video；Wherein, video format includes: video height, width, coded format, pixel format, code check and frame per second etc.。
Step S102, is converted to the video format of the first video by the video format of the second video to be combined；Wherein, first video and the second video can be the videos of the different piece of same program or advertisement, can also be different programs, but need the different video merged, and first the video format of video and the second video different, thus, before the first video and the second video are merged, can according to the video format of the first video, automatically the video format of the second video to be combined is converted to the video format of the first video, so that both video formats are identical, certainly, when the video content of the second video is more than the video content of the first video, can also using the first video as video to be combined, video format according to the second video, the video format of the first video to be combined is converted to the video format of the second video。
Step S103, the second video and the first video after being changed by video format merge。
And then by identical for the video format of video format and the first video the second video, automatically merge with the first video, to determine the integrity of program or advertisement and can avoid owing to the video format of the second video and the first video is different and be forced to combine and cause that the video after merging cannot be play, play the playback problem such as abnormal, front and back image quality is different, broadcasting situation is inconsistent；
It addition, when merging, it is possible to merge according to the time of the first video and the second video by mistake, it is to avoid video to be carried out incorrect order merging, and the first video and the second video can be noiseless, can also be sound video。
As in figure 2 it is shown, in one embodiment, above-mentioned steps S102 can be performed as:
Step A1, is decoded the second video；
Step A2, by the frame per second that frame rate conversion is the first video of decoded second video, wherein, frame per second (Framerate) is for measuring measuring of display frame number。FPS) or " hertz " (Hz) so-called measurement unit is that (FramesperSecond is called for short: display frame number per second。
When carrying out form conversion, owing to the video of different frame per second cannot be encoded merging by encoder possibly, thus can after the second video is decoded, and before the second video to be combined is re-started coding, the frame per second of decoded second video is automatically converted to the frame per second of the first video, so that the frame number of the second video and the display per second of the first video is equal, thus do not affect the visual experience of user so that the playing progress rate of the first video and the second video is identical。
As it is shown on figure 3, in one embodiment, above-mentioned steps S102 also can be performed as:
Step A3, after by the frame per second that frame rate conversion is the first video of decoded second video, is encoded decoded second video；
Step A4, in the process of coding, is converted to the target video attribute of the first video by the target video attribute of the second video；
The frame per second that frame rate conversion is the first video of decoded second video is made the second video and the first video frame rate identical after, in the process of coding the second video, automatically the target video attribute of the second video can be converted to the target video attribute of the first video, thus by identical to the video format of the second video and the video format of the first video。Wherein, pixel format can also after the decoding, before frame rate conversion realize。
Above-mentioned steps S103 can be performed as:
Step A5, when coding completes, the second video and the first video after being changed by target video attribute merge, and wherein, target video attribute includes at least one attribute following: video height, video width, coded format, pixel format, code check。
When coding completes, after can being changed by target video attribute, the second video automatically merges with the first video, make the video height of two sections of videos, width, coded format, pixel format identical with code check, and then make the second video and the various form of the first video identical, after guaranteeing that the second video and the first video merge, can use same player normally, completely, be played swimmingly, and not affect the visual experience of user。
In one embodiment, the second video includes: the run-out of target program,
First video includes: remaining video except run-out in target program, wherein, remaining video includes: the head of target program。
Second video can be run-out such as copyright statement, the program termination song etc. of target program, correspondingly, first video can be the remaining video in this target program except run-out, and this remaining video includes but not limited to the head (such as Presence of the Moment, head program review etc.) of this target program, may also include the positive of this target program。
It addition, when the run-out that the second video is target program, it is possible to substantial amounts of program needs to add identical run-out, therefore, it is possible to prestore the cauda of multiple frame per second, as such, it is possible to reduce frame rate conversion process。
In one embodiment, above-mentioned steps S101 can be performed as:
Resolve head, from head, obtain the video format of the first video；And/or
Resolve the partial video except head in remaining video, from partial video, obtain the video format of the first video。
The video format of the first video can obtain from the head of this target program, it is likely that inaccurate, thus can also pass through to analyze in remaining video the partial video except these head except, and then add up the video format obtaining this first video。
As shown in Figure 4, the present invention also provides for a kind of video and merges device, including:
Acquisition module 401, is configured to obtain the video format of the first video；
Modular converter 402, is configured to be converted to the video format of the second video to be combined the video format of described first video；
Merge module 403, be configured to the second video after being changed by video format and merge with described first video。
As it is shown in figure 5, in one embodiment, described modular converter 402 includes:
Decoding sub-module 4021, is configured to be decoded described second video；
First transform subblock 4022, is configured to the frame per second that frame rate conversion is described first video of decoded described second video。
As shown in Figure 6, in one embodiment, described modular converter 402 also includes:
Encoding submodule 4023, is configured to after by the frame per second that frame rate conversion is described first video of decoded described second video, be encoded by decoded described second video；
Second transform subblock 4024, is configured in the process of coding, the target video attribute of described second video is converted to the target video attribute of described first video；
Merge module 403 to include:
Merge submodule 4031, it is configured to when coding completes, described second video after being changed by target video attribute and described first video merge, wherein, described target video attribute includes at least one attribute following: video height, video width, coded format, pixel format, code check。
In one embodiment, described second video includes: the run-out of target program,
Described first video includes: remaining video except described run-out in described target program, wherein, described remaining video includes: the head of described target program。
As it is shown in fig. 7, in one embodiment, described acquisition module 401 includes:
First analyzing sub-module 4011, is configured to resolve described head, obtains the video format of described first video from described head；And/or
Second analyzing sub-module 4012, the partial video being configured to resolve in described remaining video except described head, from described partial video, obtain the video format of described first video。
About the device in above-described embodiment, the concrete mode that wherein modules performs to operate has been described in detail in about the embodiment of the method, and explanation will be not set forth in detail herein。
Finally, the video in the present invention merges device suitable in terminal unit。For example, it may be mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, armarium, body-building equipment, personal digital assistant etc.。
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program。Therefore, the present invention can adopt the form of complete hardware embodiment, complete software implementation or the embodiment in conjunction with software and hardware aspect。And, the present invention can adopt the form at one or more upper computer programs implemented of computer-usable storage medium (including but not limited to disk memory and optical memory etc.) wherein including computer usable program code。
The present invention is that flow chart and/or block diagram with reference to method according to embodiments of the present invention, equipment (system) and computer program describe。It should be understood that can by the combination of the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame。These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame。
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces to include the manufacture of command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame。
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides for realizing the step of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame。
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art。So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification。
Claims (10)
1. a video merges method, it is characterised in that including:
Obtain the video format of the first video；
The video format of the second video to be combined is converted to the video format of described first video；
The second video after being changed by video format and described first video merge。
2. method according to claim 1, it is characterised in that
The described video format by the second video to be combined is converted to the video format of described first video, including:
Described second video is decoded；
By the frame per second that frame rate conversion is described first video of decoded described second video。
3. method according to claim 2, it is characterised in that
The described video format by the second video to be combined is converted to the video format of described first video, also includes:
After by the frame per second that frame rate conversion is described first video of decoded described second video, decoded described second video is encoded；
In the process of coding, the target video attribute of described second video is converted to the target video attribute of described first video；
Described video format is changed after the second video and described first video merge, including:
When coding completes, described second video after being changed by target video attribute and described first video merge, and wherein, described target video attribute includes at least one attribute following: video height, video width, coded format, pixel format, code check。
4. according to the method in any one of claims 1 to 3, it is characterised in that
Described second video includes: the run-out of target program,
Described first video includes: remaining video except described run-out in described target program, wherein, described remaining video includes: the head of described target program。
5. method according to claim 4, it is characterised in that
The video format of described acquisition the first video, including:
Resolve described head, from described head, obtain the video format of described first video；And/or
Resolve the partial video except described head in described remaining video, from described partial video, obtain the video format of described first video。
6. a video merges device, it is characterised in that including:
Acquisition module, for obtaining the video format of the first video；
Modular converter, for being converted to the video format of described first video by the video format of the second video to be combined；
Merge module, merge for the second video after video format is changed and described first video。
7. device according to claim 6, it is characterised in that
Described modular converter includes:
Decoding sub-module, for being decoded described second video；
First transform subblock, for by the frame per second that frame rate conversion is described first video of decoded described second video。
8. device according to claim 7, it is characterised in that
Described modular converter also includes:
Encoding submodule, for after by the frame per second that frame rate conversion is described first video of decoded described second video, being encoded decoded described second video；
Second transform subblock, for, in the process of coding, being converted to the target video attribute of described first video by the target video attribute of described second video；
Merge module to include:
Merge submodule, for when coding completes, described second video after being changed by target video attribute and described first video merge, and wherein, described target video attribute includes at least one attribute following: video height, video width, coded format, pixel format, code check。
9. the device according to any one of claim 6 to 8, it is characterised in that
Described second video includes: the run-out of target program,
Described first video includes: remaining video except described run-out in described target program, wherein, described remaining video includes: the head of described target program。
10. device according to claim 9, it is characterised in that
Described acquisition module includes:
First analyzing sub-module, is used for resolving described head, obtains the video format of described first video from described head；And/or
Second analyzing sub-module, for resolving in described remaining video the partial video except described head, obtains the video format of described first video from described partial video。
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