CN111309941A - Method and terminal for controlling PPTX file demonstration - Google Patents
Method and terminal for controlling PPTX file demonstration Download PDFInfo
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- CN111309941A CN111309941A CN202010074707.2A CN202010074707A CN111309941A CN 111309941 A CN111309941 A CN 111309941A CN 202010074707 A CN202010074707 A CN 202010074707A CN 111309941 A CN111309941 A CN 111309941A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/43—Querying
- G06F16/438—Presentation of query results
- G06F16/4387—Presentation of query results by the use of playlists
- G06F16/4393—Multimedia presentations, e.g. slide shows, multimedia albums
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L13/00—Speech synthesis; Text to speech systems
- G10L13/02—Methods for producing synthetic speech; Speech synthesisers
Abstract
The invention discloses a method and a terminal for controlling PPTX file demonstration, which comprises the steps of obtaining remark information of each page in a PPTX file to be demonstrated, and converting the remark information of each page into a voice file stream; when the PPTX file is controlled to be automatically played, playing corresponding voice according to the voice file stream corresponding to each page, and automatically switching to playing of a next slide after the voice playing is finished; the method can convert remark information in the PPTX file into corresponding voice, and plays the PPTX file in the automatic PPTX file playing process to control the automatic switching of a PPTX file slide.
Description
Technical Field
The invention relates to the field of PPTX file playing, in particular to a method and a terminal for controlling PPTX file demonstration.
Background
When the PPTX file is played, in order to meet different requirements of a user, the PPTX file is provided with an automatic playing function, and the automatic playing function enables the user to play the PPTX file without manually operating the PPTX file, so that the PPTX file playing method is particularly suitable for scenes in which the user cannot control the PPTX file.
The existing automatic playing of the PPTX file generally sets the time required for playing each page of PPTX file first, and sets the playing mode to be the automatic playing mode, so that when the PPTX file is clicked to play, the PPTX file can be automatically played according to the set time length of each page. However, the existing method for controlling the PPTX file to automatically play is single, and only the PPTX file can be played based on the set time length per page, that is, the slide is automatically switched according to the set time length.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method and the terminal for controlling the PPTX file demonstration can enrich the display mode of the PPTX file during automatic playing and improve the user experience.
In order to solve the technical problems, the invention adopts a technical scheme that:
a method of controlling a PPTX file presentation, comprising the steps of:
s1, obtaining remark information of each page in the PPTX file to be demonstrated;
s2, converting the remark information of each page into a voice file stream;
s3, when the PPTX file is controlled to be automatically played, playing corresponding voice according to the voice file stream corresponding to each page, and automatically switching to playing of the next slide after the voice playing is finished.
In order to solve the technical problem, the invention adopts another technical scheme as follows:
a terminal for controlling a PPTX file presentation, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program to perform the following steps:
s1, obtaining remark information of each page in the PPTX file to be demonstrated;
s2, converting the remark information of each page into a voice file stream;
s3, when the PPTX file is controlled to be automatically played, playing corresponding voice according to the voice file stream corresponding to each page, and automatically switching to playing of the next slide after the voice playing is finished.
The invention has the beneficial effects that: the remark information of each page of the PPTX file is acquired and converted into a voice file stream, when the PPTX file is automatically played, corresponding voice is played according to the voice file stream corresponding to each page, and after the voice playing is finished, the next page of slide is automatically switched to; the method can convert remark information in the PPTX file into corresponding voice, and plays the PPTX file in the automatic PPTX file playing process to control the automatic switching of a PPTX file slide.
Drawings
FIG. 1 is a flow chart illustrating steps of a method for controlling a PPTX file presentation, in accordance with an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a terminal for controlling a PPTX file presentation according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating the detailed steps of controlling a PPTX file presentation in accordance with an embodiment of the present invention;
description of reference numerals:
1. a terminal for controlling PPTX file demonstration; 2. a memory; 3. a processor.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, a method for controlling a PPTX file presentation includes the steps of:
s1, obtaining remark information of each page in the PPTX file to be demonstrated;
s2, converting the remark information of each page into a voice file stream;
s3, when the PPTX file is controlled to be automatically played, playing corresponding voice according to the voice file stream corresponding to each page, and automatically switching to playing of the next slide after the voice playing is finished.
From the above description, the beneficial effects of the present invention are: the remark information of each page of the PPTX file is acquired and converted into a voice file stream, when the PPTX file is automatically played, corresponding voice is played according to the voice file stream corresponding to each page, and after the voice playing is finished, the next page of slide is automatically switched to; the method can convert remark information in the PPTX file into corresponding voice, and plays the PPTX file in the automatic PPTX file playing process to control the automatic switching of a PPTX file slide.
Further, the step S1 includes:
reading the content of a preset file in a compressed file of a PPTX file to be demonstrated by utilizing zlib, and reading an xml node in the content of the preset file by utilizing repidxml;
and traversing page number nodes in the xml nodes, judging whether remark information exists, and reading the remark information corresponding to the page number if the remark information exists.
As can be seen from the above description, the remark information of the PPTX file is stored in a specific node in the compressed file of the PPTX file, the content of the preset file in the compressed file of the PPTX file is read through zlib, then the xml node in the content of the preset file is read by using repidxml, and finally the page number node in the xml node is traversed, so that the remark information of the corresponding page number is obtained, and the remark information in the PPTX file can be quickly and accurately obtained through parsing.
Further, the step S2 includes:
binding remark information and a page number corresponding to the remark information to be used as a unique identifier, and transmitting the unique identifier in a json array form;
reading each page number in the json array and remark information corresponding to the page number, converting the remark information corresponding to each page number into a voice file stream, and storing the voice file stream and the page number corresponding to the voice file stream in a one-to-one correspondence manner.
According to the description, the remark information and the page number corresponding to the remark information are bound to be used as the unique identifier and are transmitted in the form of the json array, the data in the json array are read, the remark information corresponding to each page number is converted into the voice file stream, the voice file stream and the page number corresponding to the voice file stream are stored in a one-to-one correspondence mode, the information is transmitted in the form of the json array, the transmitted information is easy to analyze and generate, and the information transmission efficiency can be effectively improved.
Further, the step S3 includes:
s31, acquiring the page number of the current slide of the PPTX file for automatic playing;
s32, acquiring corresponding voice file streams from the stored voice file streams corresponding to one and the corresponding page numbers according to the page numbers;
s33, playing the voice corresponding to the voice file stream, automatically switching to the next slide after the voice playing is finished, and returning to the step S31 until the PPTX file is played completely.
As can be seen from the above description, the voice file stream corresponding to each page of the slide can be quickly and accurately acquired based on the page number of the slide of the PPTX file in automatic playback and the page number stored in advance and the voice file stream corresponding thereto, so that voice playback can be performed in the automatic playback process of the PPTX file according to the voice file stream of each page, and automatic switching of the slide is controlled until the PPTX file is completely played.
Further, between the S31 and the S32, further comprising:
and judging whether the slide show page corresponding to the page number has remark information according to the page number, if so, executing S32 and S33, otherwise, acquiring the playing time length corresponding to the slide show page according to the page number, playing the playing time length of the slide show page corresponding to the page number, automatically switching to the next slide show, and returning to the step S31 until the PPTX file is played completely.
According to the description, before playing, whether the corresponding slide film page has remarks or not is judged, if yes, the corresponding voice file stream is obtained, voice is played according to the voice file stream, and automatic switching of the slide is controlled; otherwise, the corresponding playing time length is obtained, the automatic playing of the slide is realized according to the playing time length, two switching modes of automatic switching based on preset time and automatic switching based on voice broadcasting can be compatible in the playing process of the PPTX file, the mode is flexible and changeable, and the user experience is further improved.
Referring to fig. 2, a terminal for controlling a PPTX file presentation includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the following steps:
s1, obtaining remark information of each page in the PPTX file to be demonstrated;
s2, converting the remark information of each page into a voice file stream;
s3, when the PPTX file is controlled to be automatically played, playing corresponding voice according to the voice file stream corresponding to each page, and automatically switching to playing of the next slide after the voice playing is finished.
From the above description, the beneficial effects of the present invention are: the remark information of each page of the PPTX file is acquired and converted into a voice file stream, when the PPTX file is automatically played, corresponding voice is played according to the voice file stream corresponding to each page, and after the voice playing is finished, the next page of slide is automatically switched to; the method can convert remark information in the PPTX file into corresponding voice, and plays the PPTX file in the automatic PPTX file playing process to control the automatic switching of a PPTX file slide.
Further, the step S1 includes:
reading the content of a preset file in a compressed file of a PPTX file to be demonstrated by utilizing zlib, and reading an xml node in the content of the preset file by utilizing repidxml;
and traversing page number nodes in the xml nodes, judging whether remark information exists, and reading the remark information corresponding to the page number if the remark information exists.
As can be seen from the above description, the remark information of the PPTX file is stored in a specific node in the compressed file of the PPTX file, the content of the preset file in the compressed file of the PPTX file is read through zlib, then the xml node in the content of the preset file is read by using repidxml, and finally the page number node in the xml node is traversed, so that the remark information of the corresponding page number is obtained, and the remark information in the PPTX file can be quickly and accurately obtained through parsing.
Further, the step S2 includes:
binding remark information and a page number corresponding to the remark information to be used as a unique identifier, and transmitting the unique identifier in a json array form;
reading each page number in the json array and remark information corresponding to the page number, converting the remark information corresponding to each page number into a voice file stream, and storing the voice file stream and the page number corresponding to the voice file stream in a one-to-one correspondence manner.
According to the description, the remark information and the page number corresponding to the remark information are bound to be used as the unique identifier and are transmitted in the form of the json array, the data in the json array are read, the remark information corresponding to each page number is converted into the voice file stream, the voice file stream and the page number corresponding to the voice file stream are stored in a one-to-one correspondence mode, the information is transmitted in the form of the json array, the transmitted information is easy to analyze and generate, and the information transmission efficiency can be effectively improved.
Further, the step S3 includes:
s31, acquiring the page number of the current slide of the PPTX file for automatic playing;
s32, acquiring corresponding voice file streams from the stored voice file streams corresponding to one and the corresponding page numbers according to the page numbers;
s33, playing the voice corresponding to the voice file stream, automatically switching to the next slide after the voice playing is finished, and returning to the step S31 until the PPTX file is played completely.
As can be seen from the above description, the voice file stream corresponding to each page of the slide can be quickly and accurately acquired based on the page number of the slide of the PPTX file in automatic playback and the page number stored in advance and the voice file stream corresponding thereto, so that voice playback can be performed in the automatic playback process of the PPTX file according to the voice file stream of each page, and automatic switching of the slide is controlled until the PPTX file is completely played.
Further, between the S31 and the S32, further comprising:
and judging whether the slide show page corresponding to the page number has remark information according to the page number, if so, executing S32 and S33, otherwise, acquiring the playing time length corresponding to the slide show page according to the page number, playing the playing time length of the slide show page corresponding to the page number, automatically switching to the next slide show, and returning to the step S31 until the PPTX file is played completely.
According to the description, before playing, whether the corresponding slide film page has remarks or not is judged, if yes, the corresponding voice file stream is obtained, voice is played according to the voice file stream, and automatic switching of the slide is controlled; otherwise, the corresponding playing time length is obtained, the automatic playing of the slide is realized according to the playing time length, two switching modes of automatic switching based on preset time and automatic switching based on voice broadcasting can be compatible in the playing process of the PPTX file, the mode is flexible and changeable, and the user experience is further improved.
Example one
Referring to fig. 1, a method for controlling a PPTX file presentation includes the steps of:
s1, obtaining remark information of each page in the PPTX file to be demonstrated;
reading the content of a preset file in a compressed file of a PPTX file to be demonstrated by using zlib, and reading an xml node in the content of the preset file by using repidxml;
traversing page number nodes in the xml nodes, judging whether remark information exists, and if so, reading the remark information corresponding to the page number;
specifically, all the page numbers # in the noteslide directory under the ppt directory in the decompressed directory are traversed, and if 7 is assumed, the noteslide #. xml is noteslide 7.xml and the noteslide #. xml.rels under the _ rels directory (noteslide 7.xml.rels) represent the content and the associated content in the # page (page 7);
if a remark exists in a certain ppt, a p: txBody node exists in a p: sp node, all nodes a: r exist in a sub-node a: p, the content of a: t under the nodes a: r is the content of the remark, the content of all the nodes a: r is sequentially arranged according to the node sequence to be the whole content of the remark, and if no remark information exists in a certain ppt, a default playing time parameter is set for the slide of the page;
s2, converting the remark information of each page into a voice file stream;
specifically, the remark information and the corresponding page number are bound to be used as a unique identifier, and the unique identifier is transmitted in a json array form;
reading each page number and corresponding remark information in the json array, converting the remark information corresponding to each page number into a voice file stream, and storing the voice file stream and the corresponding page number in a one-to-one correspondence manner;
converting the remark information text corresponding to each page of slide into a voice file stream through a SpeechSynthesizer library SetOutputToWaveFile, and storing the page number and the converted voice of each page in a one-to-one correspondence manner (each page number corresponds to one voice message);
s3, when the PPTX file is controlled to be automatically played, playing corresponding voice according to the voice file stream corresponding to each page, and automatically switching to playing of the next slide after the voice playing is finished;
specifically, the method comprises the following steps:
s31, acquiring the page number of the current slide of the PPTX file for automatic playing;
s32, acquiring corresponding voice file streams from the stored voice file streams corresponding to one and the corresponding page numbers according to the page numbers;
s33, playing the voice corresponding to the voice file stream, automatically switching to the next slide after the voice playing is finished, and returning to the step S31 until the PPTX file is played completely;
as another optional embodiment, between S31 and S32, further comprising:
judging whether the slide show page corresponding to the page number has remark information according to the page number, if so, executing S32 and S33, otherwise, acquiring the playing time length corresponding to the slide show page according to the page number, playing the playing time length of the slide show page corresponding to the page number, automatically switching to the next slide show, and returning to the step S31 until the PPTX file is played completely;
after acquiring the slide page number and the corresponding voice file stream, controlling the playing of the slide, and calling an office library in a COM interface to control the showing of the PPTX document;
when the presentation is started, a function of opening a slide is called to perform the showing, then the voice corresponding to each page is played, after the voice playing is finished, the next page is called to be switched to switch the slide, then the voice information corresponding to the page is played, if no remarked page exists, a fixed playing time length is set to switch the slide, and the program is quitted until the playing is finished, wherein the flow chart of the steps of the method is shown in fig. 3.
Example two
Referring to fig. 2, a terminal 1 for controlling a PPTX file presentation includes a memory 2, a processor 3 and a computer program stored in the memory 2 and running on the processor 3, wherein the processor 3 implements the steps of the first embodiment when executing the computer program.
To sum up, the method and the terminal for controlling the presentation of the PPTX file, provided by the present invention, analyze the PPTX compressed file, can accurately obtain the remark information existing in the corresponding xml node in the PPTX compression, convert the remark information into the voice information, and store the voice information in one-to-one correspondence with the corresponding page number, when automatically playing the PPTX file, the remark information corresponding to the slide page can be played in a voice form, and automatically switch to the next slide after the voice playing is finished, if the slide has no remark information, a preset time length is set, when automatically playing, the slide corresponding to the page number is presented according to the preset time length, after the preset time length is passed, the slide is automatically switched to the next slide, compared with the prior art that the automatic playing of the PPTX file can only be controlled by setting the playing time, the voice broadcasting can be performed during the PPTX file according to the remark information, the display mode of the PPTX file during automatic playing is enriched, two switching modes of automatic switching based on preset time and automatic switching based on voice broadcasting can be compatible in the playing process of the PPTX file, the mode is flexible and changeable, and the user experience is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method of controlling a presentation of a PPTX file, comprising the steps of:
s1, obtaining remark information of each page in the PPTX file to be demonstrated;
s2, converting the remark information of each page into a voice file stream;
s3, when the PPTX file is controlled to be automatically played, playing corresponding voice according to the voice file stream corresponding to each page, and automatically switching to playing of the next slide after the voice playing is finished.
2. The method of controlling a PPTX file presentation as claimed in claim 1, wherein said step S1 comprises:
reading the content of a preset file in a compressed file of a PPTX file to be demonstrated by utilizing zlib, and reading an xml node in the content of the preset file by utilizing repidxml;
and traversing page number nodes in the xml nodes, judging whether remark information exists, and reading the remark information corresponding to the page number if the remark information exists.
3. The method of controlling a PPTX file presentation as claimed in claim 1, wherein said step S2 comprises:
binding remark information and a page number corresponding to the remark information to be used as a unique identifier, and transmitting the unique identifier in a json array form;
reading each page number in the json array and remark information corresponding to the page number, converting the remark information corresponding to each page number into a voice file stream, and storing the voice file stream and the page number corresponding to the voice file stream in a one-to-one correspondence manner.
4. The method of controlling a PPTX file presentation as claimed in claim 3, wherein said step S3 comprises:
s31, acquiring the page number of the current slide of the PPTX file for automatic playing;
s32, acquiring corresponding voice file streams from the stored voice file streams corresponding to one and the corresponding page numbers according to the page numbers;
s33, playing the voice corresponding to the voice file stream, automatically switching to the next slide after the voice playing is finished, and returning to the step S31 until the PPTX file is played completely.
5. The method of controlling a PPTX file presentation of claim 4, further comprising between said S31 and said S32:
and judging whether the slide show page corresponding to the page number has remark information according to the page number, if so, executing S32 and S33, otherwise, acquiring the playing time length corresponding to the slide show page according to the page number, playing the playing time length of the slide show page corresponding to the page number, automatically switching to the next slide show, and returning to the step S31 until the PPTX file is played completely.
6. A terminal for controlling a PPTX file presentation, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program to perform the steps of:
s1, obtaining remark information of each page in the PPTX file to be demonstrated;
s2, converting the remark information of each page into a voice file stream;
s3, when the PPTX file is controlled to be automatically played, playing corresponding voice according to the voice file stream corresponding to each page, and automatically switching to playing of the next slide after the voice playing is finished.
7. The terminal for controlling a presentation of a PPTX file as claimed in claim 6, wherein said step S1 comprises:
reading the content of a preset file in a compressed file of a PPTX file to be demonstrated by utilizing zlib, and reading an xml node in the content of the preset file by utilizing repidxml;
and traversing page number nodes in the xml nodes, judging whether remark information exists, and reading the remark information corresponding to the page number if the remark information exists.
8. The terminal for controlling a presentation of a PPTX file as claimed in claim 6, wherein said step S2 comprises:
binding remark information and a page number corresponding to the remark information to be used as a unique identifier, and transmitting the unique identifier in a json array form;
reading each page number in the json array and remark information corresponding to the page number, converting the remark information corresponding to each page number into a voice file stream, and storing the voice file stream and the page number corresponding to the voice file stream in a one-to-one correspondence manner.
9. The terminal for controlling a PPTX file presentation as claimed in claim 8, wherein said step S3 comprises:
s31, acquiring the page number of the current slide of the PPTX file for automatic playing;
s32, acquiring corresponding voice file streams from the stored voice file streams corresponding to one and the corresponding page numbers according to the page numbers;
s33, playing the voice corresponding to the voice file stream, automatically switching to the next slide after the voice playing is finished, and returning to the step S31 until the PPTX file is played completely.
10. The terminal for controlling a PPTX file presentation as claimed in claim 9, further comprising between said S31 and said S32:
and judging whether the slide show page corresponding to the page number has remark information according to the page number, if so, executing S32 and S33, otherwise, acquiring the playing time length corresponding to the slide show page according to the page number, playing the playing time length of the slide show page corresponding to the page number, automatically switching to the next slide show, and returning to the step S31 until the PPTX file is played completely.
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