CN104966268A - Picture uploading method and apparatus - Google Patents
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- CN104966268A CN104966268A CN201510391847.1A CN201510391847A CN104966268A CN 104966268 A CN104966268 A CN 104966268A CN 201510391847 A CN201510391847 A CN 201510391847A CN 104966268 A CN104966268 A CN 104966268A
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Abstract
The invention discloses a picture uploading method and apparatus for uploading a TGA (Tagged Graphics) picture into a subtitle template so as to enable a user to obtain more information when watching a multimedia. The method comprises the steps of: obtaining the to-be-uploaded TGA picture; converting the TGA picture into a PNG (Portable Network Graphics) picture; and uploading the PNG picture into the subtitle template, wherein the subtitle template comprises at least one of a plug-in list, a display frame and an editor. According to the technical scheme, the problem of incapability of uploading the TGA picture into the subtitle template is solved, so that the user can obtain more picture information when watching the multimedia with subtitles, and the user experience is improved.
Description
Technical field
The present invention relates to Internet technical field, particularly a kind of method of uploading pictures and device.
Background technology
Along with the progress of science and technology and the development in epoch, video capture device is day by day universal, and video transmission is increasingly extensive.The multimedia technology of this comprehensive visual of video and sense of hearing sense organ has become a requisite part in people's life, in order to better meet the needs of people, improving the visual experience of beholder, there has been proposed a large amount of video processing technique.Such as in order to solve otherness between different video display device resolution, researchist proposes video scaling techniques; In order to obtain better video visual effect, researchist proposes picture quality enhancement technology etc.Meanwhile, in video, adding captions as a kind of supplementary means when playing video, better appreciating and understanding in video playing an important role help people.
While editor's captions, staff also needs the picture of uploaded videos station symbol, to show station symbol in video clip, enables user obtain the more information of current viewing video.Along with the fast development of internet, most of people have been accustomed to watching video on webpage, so just need to add station symbol on video web page, but, form due to station symbol is TGA form, current webpage is not also supported the display of the picture of TGA form, this just makes the station symbol of TGA form cannot be presented on video web page.
Summary of the invention
The invention provides a kind of method and device of uploading pictures, in order to by the picture uploading of TGA form in subtitle template, thus make user watch multimedia time get more information.
The invention provides a kind of method of uploading pictures, comprising:
Obtain the picture of TGA form to be uploaded;
The picture of described TGA form is converted to the picture of PNG form;
By the picture uploading of described PNG form in subtitle template, described subtitle template comprises at least one in plug-in unit list, display box, editing machine.
Some beneficial effects of the embodiment of the present invention can comprise:
Technique scheme, by the picture of TGA form to be uploaded being converted to the picture of PNG form, again by the picture uploading of PNG form in subtitle template, the picture solving TGA form cannot upload to the problem in subtitle template, making user can get more pictorial information when watching the multimedia with captions, improving the Experience Degree of user.
In one embodiment, the picture of the TGA form that described acquisition is to be uploaded, comprising:
The picture of TGA form to be uploaded is read by the mode of HTML5 file reading stream;
The picture of TGA form described in buffer memory.
In this embodiment, the mode of HTML5 file reading stream is adopted to read and the picture of buffer memory TGA form, namely the scale-of-two returning regular length is data cached, makes the picture of TGA form can be converted to the picture of PNG form, and then realizes the picture uploading of TGA form to the object in subtitle template.
In one embodiment, the described picture by described TGA form is converted to the picture of PNG form, comprising:
Obtain the value of each pixel of the picture of described TGA form;
According to the value of described each pixel, the picture of described TGA form is converted to the picture of PNG form.
In this embodiment, according to the value of each pixel, the picture of TGA form is converted to the picture of PNG form, the format conversion of picture is more accurately facilitated, and then realize the picture uploading of TGA form to the object in subtitle template.
In one embodiment, the value of each pixel of the picture of described acquisition described TGA form, comprising:
Whether the picture judging described TGA form is gray level image;
When the picture of described TGA form is gray level image, calculate the gray-scale value of each pixel of the picture of described TGA form;
The gray-scale value of described each pixel is defined as the value of each pixel of the picture of described TGA form.
In this embodiment, the picture of the TGA form of gray level image is changed, make the picture of the TGA form of gray level image can be converted to the picture of PNG form, and then by the picture uploading of PNG form in subtitle template, realize the picture uploading of TGA form to the object in subtitle template.
In one embodiment, the value of each pixel of the picture of described acquisition described TGA form, also comprises:
When the picture of described TGA form is colour picture, calculate the B G R value of each pixel of the picture of described TGA form;
According to the corresponding relation of the color prestored and BGR value, determine the color value that the BGR value of described each pixel is corresponding;
Using the value of color value corresponding for the BGR value of described each pixel as each pixel of the picture of described TGA form.
In this embodiment, the picture of the TGA form of coloured image is changed, make the picture of the TGA form of coloured image can be converted to the picture of PNG form, and then by the picture uploading of PNG form in subtitle template, realize the picture uploading of TGA form to the object in subtitle template.
The invention provides a kind of device of uploading pictures, comprising:
Acquisition module, for obtaining the picture of TGA form to be uploaded;
Modular converter, for being converted to the picture of PNG form by the picture of described TGA form;
Upper transmission module, for by the picture uploading of described PNG form in subtitle template, described subtitle template comprises at least one in plug-in unit list, display box, editing machine.
In one embodiment, described acquisition module comprises:
Reading submodule, for reading the picture of TGA form to be uploaded by the mode of HTML5 file reading stream;
Cache sub-module, for the picture of TGA form described in buffer memory.
In one embodiment, described modular converter comprises:
Obtain submodule, for obtaining the value of each pixel of the picture of described TGA form;
Transform subblock, for the value according to described each pixel, is converted to the picture of PNG form by the picture of described TGA form.
In one embodiment, described acquisition submodule comprises:
Judging unit, for judging whether the picture of described TGA form is gray level image;
First computing unit, for when the picture of described TGA form is gray level image, calculates the gray-scale value of each pixel of the picture of described TGA form;
First determining unit, for being defined as the value of each pixel of the picture of described TGA form by the gray-scale value of described each pixel.
In one embodiment, described acquisition submodule also comprises:
Second computing unit, for when the picture of described TGA form is colour picture, calculates the B G R value of each pixel of the picture of described TGA form;
Second determining unit, for the corresponding relation according to the color prestored and BGR value, determines the color value that the BGR value of described each pixel is corresponding;
3rd determining unit, for using the value of color value corresponding for the BGR value of described each pixel as each pixel of the picture of described TGA form.
Some beneficial effects of the embodiment of the present invention can comprise:
Said apparatus, by the picture of TGA form to be uploaded being converted to the picture of PNG form, again by the picture uploading of PNG form in subtitle template, the picture solving TGA form cannot upload to the problem in subtitle template, making user can get more pictorial information when watching the multimedia with captions, improving the Experience Degree of user.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the method for a kind of uploading pictures in the embodiment of the present invention;
Fig. 2 is the process flow diagram of step S11 in the method for a kind of uploading pictures in the embodiment of the present invention;
Fig. 3 is the process flow diagram of step S12 in the method for a kind of uploading pictures in the embodiment of the present invention;
Fig. 4 is the process flow diagram of step S121 in the method for a kind of uploading pictures in the embodiment of the present invention;
Fig. 5 is the block diagram of the device of a kind of uploading pictures in the embodiment of the present invention;
Fig. 6 is the block diagram of acquisition module in the device of a kind of uploading pictures in the embodiment of the present invention;
Fig. 7 is the block diagram of modular converter in the device of a kind of uploading pictures in the embodiment of the present invention;
Fig. 8 is the block diagram obtaining submodule in the device of a kind of uploading pictures in the embodiment of the present invention;
Fig. 9 is the block diagram obtaining submodule in the device of a kind of uploading pictures in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
The process flow diagram of the method for a kind of uploading pictures that Fig. 1 provides for the embodiment of the present invention, as shown in Figure 1, the method for this uploading pictures comprises the following steps S11-S13:
Step S11, obtains the picture of TGA form to be uploaded;
Step S12, is converted to the picture of PNG form by the picture of TGA form;
Step S13, by the picture uploading of PNG form in subtitle template.Wherein, subtitle template refers to as interface during Web-page Multi-media interpolation captions, such as plug-in unit list, display box, editing machine etc.
Said method can be applicable in concrete multimedia application, station symbol is such as wanted to be added on the interface of video web page, the display of the picture of TGA form is not supported due to video web page interface, and the form of station symbol is TGA form, therefore only having by said method, is PNG form by the format conversion of station symbol, again the station symbol of the PNG form after conversion is added on video web page interface, like this, user, when watching video web page, just can view more video information.
Adopt the technical scheme that the embodiment of the present invention provides, by the picture of TGA form to be uploaded being converted to the picture of PNG form, again by the picture uploading of PNG form in subtitle template, the picture solving TGA form cannot upload to the problem in subtitle template, making user can get more pictorial information when watching the multimedia with captions, improving the Experience Degree of user.
In one embodiment, as shown in Figure 2, step S11 may be embodied as following steps S111-S112:
Step S111, reads the picture of TGA form to be uploaded by the mode of HTML5 file reading stream;
The picture of step S112, buffer memory TGA form.
In this embodiment, first directly read the picture of TGA form to be uploaded by the FileReader object of HTML5, read with the reading manner of readAsArrayBuffer.Wherein, when reading with the reading manner of readAsArrayBuffer, return a typing array, namely the scale-of-two of regular length is data cached, this method is very convenient when carrying out some file operations, carries out in the process of picture format conversion very convenient especially in embodiments of the present invention.In the present embodiment, the mode of HTML5 file reading stream is adopted to read and the picture of buffer memory TGA form, namely the scale-of-two returning regular length is data cached, makes the picture of TGA form can be converted to the picture of PNG form, and then realizes the picture uploading of TGA form to the object in subtitle template.
In one embodiment, as shown in Figure 3, step S12 may be embodied as following steps S121-S122:
Step S121, obtains the value of each pixel of the picture of TGA form;
Step S122, according to the value of each pixel, is converted to the picture of PNG form by the picture of TGA form.
Wherein, in step S121, first the message bit pattern head of the picture of TGA form, color table and data bitmap is obtained, the matrix data (i.e. the two-dimensional array of each pixel) of each pixel of image is recorded in data bitmap, then judge that image is gray level image or coloured image according to the message bit pattern head of picture, judge the pixel depth (such as 8,16,24 or 32) of image simultaneously, and obtain the wide and high of image.According to the value of each pixel of these information determination pictures got, and then picture is converted to the picture of PNG form.And for gray level image and coloured image, the defining method of the value of each pixel of picture is different, therefore, as shown in Figure 4, step S121 may be embodied as following steps S41-S46:
Step S41, judges whether the picture of TGA form is gray level image; If the picture of TGA form is gray level image, then continue to perform step S42; If the picture of TGA form is not gray level image, namely picture is coloured image, then perform step S44;
Step S42, calculates the gray-scale value of each pixel of the picture of TGA form;
Step S43, is defined as the value of each pixel of the picture of TGA form by the gray-scale value of each pixel;
Step S44, calculates the B G R value of each pixel of the picture of TGA form;
Step S45, according to the corresponding relation of the color prestored and BGR value, determines the color value that the BGR value of each pixel is corresponding;
Step S46, using the value of color value corresponding for the BGR value of each pixel as each pixel of the picture of TGA form.
In the present embodiment, the value that gray level image or coloured image obtain the pixel of image respectively according to image, and then according to the value of each pixel, the picture of TGA form is converted to the picture of PNG form, the format conversion of picture is more accurately facilitated, and then realizes the picture uploading of TGA form to the object in subtitle template.
Corresponding to the method for the uploading pictures in above-described embodiment, the present invention also provides a kind of device of uploading pictures, and as shown in Figure 5, the device of this uploading pictures comprises:
Acquisition module 51, for obtaining the picture of TGA form to be uploaded;
Modular converter 52, for being converted to the picture of PNG form by the picture of TGA form;
Upper transmission module 53, for by the picture uploading of PNG form in subtitle template, subtitle template comprises at least one in plug-in unit list, display box, editing machine.
In one embodiment, as shown in Figure 6, acquisition module 51 comprises:
Reading submodule 511, for reading the picture of TGA form to be uploaded by the mode of HTML5 file reading stream;
Cache sub-module 512, for the picture of buffer memory TGA form.
In one embodiment, as shown in Figure 7, modular converter 52 comprises:
Obtain submodule 521, for obtaining the value of each pixel of the picture of TGA form;
Transform subblock 522, for the value according to each pixel, is converted to the picture of PNG form by the picture of TGA form.
In one embodiment, as shown in Figure 8, obtain submodule 521 to comprise:
Judging unit 5211, for judging whether the picture of TGA form is gray level image;
First computing unit 5212, for when the picture of TGA form is gray level image, calculates the gray-scale value of each pixel of the picture of TGA form;
First determining unit 5213, for being defined as the value of each pixel of the picture of TGA form by the gray-scale value of each pixel.
In one embodiment, as shown in Figure 9, obtain submodule 521 also to comprise:
Second computing unit 5214, for when the picture of TGA form is colour picture, calculates the B G R value of each pixel of the picture of TGA form;
Second determining unit 5215, for the corresponding relation according to the color prestored and BGR value, determines the color value that the BGR value of each pixel is corresponding;
3rd determining unit 5216, for using the value of color value corresponding for the BGR value of each pixel as each pixel of the picture of TGA form.
Adopt the device that the embodiment of the present invention provides, by the picture of TGA form to be uploaded being converted to the picture of PNG form, again by the picture uploading of PNG form in subtitle template, the picture solving TGA form cannot upload to the problem in subtitle template, making user can get more pictorial information when watching the multimedia with captions, improving the Experience Degree of user.
Those skilled in the art should understand, 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, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, 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 method for uploading pictures, is characterized in that, comprising:
Obtain the picture of TGA form to be uploaded;
The picture of described TGA form is converted to the picture of PNG form;
By the picture uploading of described PNG form in subtitle template, described subtitle template comprises at least one in plug-in unit list, display box, editing machine.
2. the method for claim 1, is characterized in that, the picture of the TGA form that described acquisition is to be uploaded, comprising:
The picture of TGA form to be uploaded is read by the mode of HTML5 file reading stream;
The picture of TGA form described in buffer memory.
3. the method for claim 1, is characterized in that, the described picture by described TGA form is converted to the picture of PNG form, comprising:
Obtain the value of each pixel of the picture of described TGA form;
According to the value of described each pixel, the picture of described TGA form is converted to the picture of PNG form.
4. method as claimed in claim 3, it is characterized in that, the value of each pixel of the picture of described acquisition described TGA form, comprising:
Whether the picture judging described TGA form is gray level image;
When the picture of described TGA form is gray level image, calculate the gray-scale value of each pixel of the picture of described TGA form;
The gray-scale value of described each pixel is defined as the value of each pixel of the picture of described TGA form.
5. method as claimed in claim 4, it is characterized in that, the value of each pixel of the picture of described acquisition described TGA form, also comprises:
When the picture of described TGA form is colour picture, calculate the B G R value of each pixel of the picture of described TGA form;
According to the corresponding relation of the color prestored and BGR value, determine the color value that the BGR value of described each pixel is corresponding;
Using the value of color value corresponding for the BGR value of described each pixel as each pixel of the picture of described TGA form.
6. a device for uploading pictures, is characterized in that, comprising:
Acquisition module, for obtaining the picture of TGA form to be uploaded;
Modular converter, for being converted to the picture of PNG form by the picture of described TGA form;
Upper transmission module, for by the picture uploading of described PNG form in subtitle template, described subtitle template comprises at least one in plug-in unit list, display box, editing machine.
7. device as claimed in claim 6, it is characterized in that, described acquisition module comprises:
Reading submodule, for reading the picture of TGA form to be uploaded by the mode of HTML5 file reading stream;
Cache sub-module, for the picture of TGA form described in buffer memory.
8. device as claimed in claim 6, it is characterized in that, described modular converter comprises:
Obtain submodule, for obtaining the value of each pixel of the picture of described TGA form;
Transform subblock, for the value according to described each pixel, is converted to the picture of PNG form by the picture of described TGA form.
9. device as claimed in claim 8, it is characterized in that, described acquisition submodule comprises:
Judging unit, for judging whether the picture of described TGA form is gray level image;
First computing unit, for when the picture of described TGA form is gray level image, calculates the gray-scale value of each pixel of the picture of described TGA form;
First determining unit, for being defined as the value of each pixel of the picture of described TGA form by the gray-scale value of described each pixel.
10. device as claimed in claim 9, it is characterized in that, described acquisition submodule also comprises:
Second computing unit, for when the picture of described TGA form is colour picture, calculates the B G R value of each pixel of the picture of described TGA form;
Second determining unit, for the corresponding relation according to the color prestored and BGR value, determines the color value that the BGR value of described each pixel is corresponding;
3rd determining unit, for using the value of color value corresponding for the BGR value of described each pixel as each pixel of the picture of described TGA form.
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| CN201510391847.1A CN104966268A (en) | 2015-07-06 | 2015-07-06 | Picture uploading method and apparatus |
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| CN104185069A (en) * | 2013-05-23 | 2014-12-03 | 北京下周科技有限公司 | Station icon identification method and identification system |
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| US20060027958A1 (en) * | 2000-05-24 | 2006-02-09 | Silverbrook Research Pty Ltd | Inline printer assembly |
| CN102622344A (en) * | 2011-01-09 | 2012-08-01 | 华东师范大学 | Control method and control system for picture batch uploading facing to Mediawiki |
| CN104185069A (en) * | 2013-05-23 | 2014-12-03 | 北京下周科技有限公司 | Station icon identification method and identification system |
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