CN101645967A - Mobile terminal for processing multimedia data in user-defined format and realization method thereof - Google Patents
Mobile terminal for processing multimedia data in user-defined format and realization method thereof Download PDFInfo
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- CN101645967A CN101645967A CN200910051225A CN200910051225A CN101645967A CN 101645967 A CN101645967 A CN 101645967A CN 200910051225 A CN200910051225 A CN 200910051225A CN 200910051225 A CN200910051225 A CN 200910051225A CN 101645967 A CN101645967 A CN 101645967A
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Abstract
The invention discloses a mobile phone for processing multimedia data in a user-defined format and a realization method thereof. Firstly, an image coding-decoding unit and an audio decoding unit are established; the image coding-decoding unit and the audio coding unit code and store image data and audio data collected by a mobile terminal respectively in a predetermined format under the recordingmode of the mobile terminal; and the image coding-decoding unit and the audio decoding unit decode the stored image data and the audio data respectively in a predetermined format under the playing mode of the mobile phone, and respectively input the decoded image data and the audio data into an image output unit and an audio output unit of the mobile terminal and then play the image data and the audio data. With the adoption of the low-price image coding-decoding unit and the audio coding-decoding unit, the invention realizes the recording and playing of video-audio data in a user-defined format on the mobile terminal.
Description
Technical field
The present invention relates to field of mobile terminals, particularly a kind of portable terminal and implementation method of handling multi-medium data with user-defined format.
Background technology
Nowadays, wireless communication technology is widely applied in the daily life, and portable terminal is also popularized because of the convenience of its use.Along with the progress of expanding economy and science and technology, people's living standard improves greatly, and low side mobile telephone terminal multimedia technology can't satisfy people's needs, and the multimedia mobile terminal with music and video capability more and more is subjected to pursuing of people.At present, generally have camera function on the multimedia mobile terminal hardware designs of main flow, video record and broadcast have also become standard configuration.Modal video format is 3GP in the portable terminal, supports MPEG-4 and H.263 video coding agreement and AAC advanced audio coding and AMR adaptive multi-rate audio standard.
Above encoding and decoding are generally finished by the multimedia process chip (DSP) than higher-end, and cost is higher like this, so press for an energy is realized encoding and decoding with lower cost method.
Summary of the invention
The purpose of this invention is to provide a kind of portable terminal and implementation method, make portable terminal record and to play in the mode of user-defined format with user-defined format processing multi-medium data.
The invention provides a kind of method that realizes portable terminal with user-defined format processing multi-medium data, may further comprise the steps:
Set up the image coding and decoding unit, when described portable terminal is in recording mode, make described image coding and decoding unit encode to the view data of described portable terminal collection with predetermined format and store; When described portable terminal was in play mode, the view data that described image coding and decoding unit is formed down described recording mode with predetermined format was decoded and is play by the image output unit of described portable terminal;
Set up the audio coding decoding unit, when described portable terminal is in recording mode, make described audio coding decoding unit encode to the voice data of described portable terminal collection with predetermined format and store; When described portable terminal was in play mode, the voice data that described audio coding decoding unit is formed down described recording mode with predetermined format was decoded and the audio output unit that transfers to described portable terminal is play.
The step that described portable terminal is in recording mode further comprises:
2.1, mobile terminal system powers on and initialization, by image input unit and audio frequency input unit images acquired and voice data;
2.2, create empty video file and empty audio file at the external memory storage of described portable terminal;
2.3, image that described step 2.1 is gathered and voice data encode with predetermined format through described image coding and decoding unit and audio coding decoding unit respectively and deposit the internal storage of described portable terminal in;
2.4, image and voice data are integrated, deposit empty video file and empty audio file that step 2.2 is created in, and self-defined file format;
2.5, circulation step 2.3 finishes up to recording with step 2.4.
The step that described portable terminal is in play mode further comprises:
3.1, read described external memory storage user-defined format video file and audio file and analyze, obtain fileinfo;
3.2, obtain every frame image data and voice data, deposit described internal storage in;
3.3, described view data through the image coding and decoding unit with the predetermined format decoding and send into the image output unit and play, described voice data through the audio coding decoding unit with the predetermined format decoding and send into audio output unit and play.
3.4, circulation step 3.2 and step 3.3 be up to finishing playing.
When described portable terminal was in recording mode, described image coding and decoding unit was JPG format-pattern data and storage with described coded image data, and described audio coding decoding unit is AMR format audio data and storage with described audio data coding.
When described portable terminal is in play mode, the described JPG format-pattern data decode that described image coding and decoding unit will be stored is the rgb format view data and exports described portable terminal image output unit broadcast to that described audio coding decoding unit is PCM format audio data and exports described audio frequency of mobile terminal output unit broadcast to the AMR format audio data decode of described storage.
Analysis to video file and audio file in the described step 3.1 comprises Study document head and concordance list, the action of described Study document head comprises: determine whether to be the user-defined format video file, determine the image frame per second, determine image resolution ratio, determine whether to exist audio frequency, determine the concordance list initial address; Described analysis concordance list action comprises: create internal storage concordance list space according to the concordance list size, determine the total frame speed of video data block, size and every frame initial address, determine voice data block format, size and initial address.
On the other hand, the present invention also provides a kind of portable terminal with user-defined format processing multi-medium data, comprises image, audio frequency input unit, and image, audio output unit, and the baseband processor that is connected with described each unit also comprise:
The image coding and decoding unit, connect described image input unit and image output unit, under recording mode, the view data of described image input unit output is encoded and store, under play mode, the described view data of having encoded and having stored is decoded and transfer to described image output unit with predetermined format with predetermined format;
The audio coding decoding unit, connect described audio frequency input unit and audio output unit, under recording mode, the voice data of described audio frequency input unit output is encoded and store, under play mode, the described voice data of having encoded and having stored is decoded and transfer to described audio output unit with predetermined format with predetermined format.
When described portable terminal was in recording mode, described image coding and decoding unit was JPG format-pattern data and storage with described coded image data, and described audio coding decoding unit is AMR format audio data and storage with described audio data coding.
When described portable terminal is in play mode, the described JPG format-pattern data decode that described image coding and decoding unit will be stored is the rgb format view data and exports described portable terminal image output unit broadcast to that described audio coding decoding unit is PCM format audio data and exports described audio frequency of mobile terminal output unit broadcast to the AMR format audio data decode of described storage.
Adopt a kind of portable terminal and implementation method of handling multi-medium data with user-defined format of the present invention, the present invention has at first set up image coding and decoding unit and audio decoding unit, view data that described image coding and decoding unit and audio decoding unit come the portable terminal collection with predetermined form respectively under the recording mode of portable terminal and voice data are encoded and are stored, described image coding and decoding unit and audio decoding unit are decoded to the view data and the voice data of above-mentioned storage with predetermined form respectively under the play mode of portable terminal, and image output unit and the audio output unit of respectively decoded described view data and voice data being imported described portable terminal are play.The present invention adopts cheap image coding and decoding unit and audio coding decoding unit, has realized that portable terminal records and play video and voice data with self-defining form.
Description of drawings
Fig. 1 is the hardware block diagram of portable terminal of the present invention;
Fig. 2 is the recording mode flow chart of portable terminal of the present invention;
Fig. 3 is the play mode flow chart of portable terminal of the present invention:
Fig. 4 be portable terminal of the present invention specifically record flow chart of steps;
Fig. 5 is the concrete broadcast flow chart of steps of portable terminal of the present invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
In the portable terminal of following examples, image codec is as the image coding and decoding unit, audio codec is as the audio coding decoding unit, loud speaker is as audio output unit, display is as the image output unit, microphone is as the audio frequency input unit, and imageing sensor is as the image input unit.
Referring to Fig. 1, Fig. 1 is a mobile terminal structure block diagram of the present invention, comprises baseband processor 1, imageing sensor 7, internal storage 5, external memory storage 6, image codec 2, audio codec 3, microphone 9, display 4, loud speaker 8.Baseband processor 1 links to each other with above-mentioned all devices, by imageing sensor 7 and microphone 9 sampled images data and voice datas, carrying out encoding and decoding by image codec 2 and audio codec 3 handles, display 4 and loud speaker 8 are used for showing and output processed images data and voice data that internal storage 5 and external memory storage 6 are used to preserve data message and associated video file.
Referring to Fig. 2 and Fig. 4, and in conjunction with Fig. 1, Fig. 2 and Fig. 4 have described portable terminal and recorded flow process under recording modes:
1, system powers on, initialisation image transducer 7, initialisation image codec 2 and audio codec 3, initialization display 4.
2, externally memory 6 is created empty video file, creates empty audio file.
3, write a fixed byte (this paper is 512 bytes) be used to represent that the empty file head of fileinfo is to video file.
4, in enough big concordance list space of internal storage 5 applications, be used for memory image and voice data frame information, comprise the initial address in size and the file.
5, obtain original image data frame (form is YUV) from imageing sensor 7, consider the speed problem of recording, imageing sensor 7 output frame rates need be done suitable adjustment, in order to avoid cause baseband processor 1 response lag too soon, perhaps influence recording result too slowly.Simultaneously, obtain original pcm audio data from microphone 9.
6, view data is through image codec 2 codings, generate RGB data and JPG data respectively, the RGB data are sent into display 4 and are shown recording process, and the JPG data encapsulation has the information header of file size and logos character string, deposits in after the file header of video file.Simultaneously, voice data is encoded into the AMR data through audio codec 3, deposits interim audio file in.
7, every frame image data information comprises the logos character string, initial address, and every frame data size deposits concordance list in.
8, judge to record whether stop,, judge then whether the concordance list space overflows, as overflow the more spaces of needs application if continue to record. Circulation step 5,6,7 actions.As record and stop then to continue step 9.
9, the AMR voice data of interim audio file is copied to after the video data block of video file, the concordance list afterbody adds voice data information, comprises audio frequency flag bit character string, initial address, data block size.Concordance list deposits in after the audio data block then.
Obtain resolution, the frame per second of image data frame, the form of voice data, frame per second, whole file size, the file format character string is filled to empty file header, finishes the filling of video file.The general final framework of file constitutes like this: file header, video data block, audio data block, index data piece.
10, delete interim audio file.Finish and record.
Referring to Fig. 3 and Fig. 5, and in conjunction with Fig. 1, Fig. 3 and Fig. 5 have described the playing flow of portable terminal under play mode:
1, system powers on, image codec 2 and audio codec 3 initialization, display 4 initialization.
2, video file and the audio file on the reading external memory 6, the Study document header is confirmed whether self-defining file format of form, obtains the image data frame frame per second, totalframes, resolution information.Obtain voice data size always, information such as audio data format.Obtain the concordance list initial address.Analysis to video file and audio file herein comprises Study document head and concordance list, the action of described Study document head comprises: determine whether to be the user-defined format video file, determine the image frame per second, determine image resolution ratio, determine whether to exist audio frequency, determine the concordance list initial address; Described analysis concordance list action comprises: create internal storage 5 concordance list spaces according to the concordance list size, determine the total frame speed of video data block, size and every frame initial address, determine voice data block format, size and initial address.
3, create enough big concordance list space at internal storage 5, read the concordance list of file from external memory storage 6.And the analysis concordance list, obtain every frame image data offset address and size hereof, obtain every frame voice data offset address and size hereof.
4, creating with the image data frame frame per second is the timer of fiducial time.
5, timer arrives, and determines offset address and the view data size of present frame in video file according to the image index information of concordance list, reads current image data frames to internal storage 5 buffering areas from video file.Equally, determine offset address and the voice data size of voice data in video file, from video file, read current audio data frame to internal storage 5 buffering areas according to the audio index in the concordance list.
6, the JPG view data that is stored in internal storage 5 buffering areas is sent into image decoder and is decoded into the RGB data, sends into display 4 and shows.As the failure of decoding, skip this frame.While AMR voice data is sent into audio decoder decode and is become the PCM data to send into loud speaker 8 broadcasts.
7, judging whether play to interrupt, is close file then, stops to play.Otherwise circulation step 5,6 finishes until whole video.
8, finish playing.
It is to be noted, a kind of portable terminal of realizing of the present invention is identical and similar with the method for user-defined format processing multi-medium data on principle and embodiment with a kind of portable terminal with user-defined format processing multi-medium data of the present invention, so its repeating part repeats no more.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of above embodiment.
Claims (9)
1, a kind of portable terminal and implementation method with user-defined format processing multi-medium data is characterized in that, may further comprise the steps:
Set up the image coding and decoding unit, when described portable terminal is in recording mode, make described image coding and decoding unit encode to the view data of described portable terminal collection with predetermined format and store; When described portable terminal was in play mode, the view data that described image coding and decoding unit is formed down described recording mode with predetermined format was decoded and is play by the image output unit of described portable terminal;
Set up the audio coding decoding unit, when described portable terminal is in recording mode, make described audio coding decoding unit encode to the voice data of described portable terminal collection with predetermined format and store; When described portable terminal was in play mode, the voice data that described audio coding decoding unit is formed down described recording mode with predetermined format was decoded and the audio output unit that transfers to described portable terminal is play.
2, the method for claim 1 is characterized in that, the step that described portable terminal is in recording mode further comprises:
2.1, mobile terminal system powers on and initialization, by image input unit and audio frequency input unit images acquired and voice data;
2.2, create empty video file and empty audio file at the external memory storage of described portable terminal;
2.3, image that described step 2.1 is gathered and voice data encode with predetermined format through described image coding and decoding unit and audio coding decoding unit respectively and deposit the internal storage of described portable terminal in;
2.4, image and voice data are integrated, deposit empty video file and empty audio file that step 2.2 is created in, and self-defined file format;
2.5, circulation step 2.3 finishes up to recording with step 2.4.
3, method as claimed in claim 2 is characterized in that, the step that described portable terminal is in play mode further comprises:
3.1, read described external memory storage user-defined format video file and audio file and analyze, obtain fileinfo;
3.2, obtain every frame image data and voice data, deposit described internal storage in;
3.3, described view data through the image coding and decoding unit with the predetermined format decoding and send into the image output unit and play, described voice data through the audio coding decoding unit with the predetermined format decoding and send into audio output unit and play.
3.4, circulation step 3.2 and step 3.3 be up to finishing playing.
4, method as claimed in claim 3, it is characterized in that, when described portable terminal is in recording mode, described image coding and decoding unit is JPG format-pattern data and storage with described coded image data, and described audio coding decoding unit is AMR format audio data and storage with described audio data coding.
5, method as claimed in claim 4, it is characterized in that, when described portable terminal is in play mode, the described JPG format-pattern data decode that described image coding and decoding unit will be stored is the rgb format view data and exports described portable terminal image output unit broadcast to that described audio coding decoding unit is PCM format audio data and exports described audio frequency of mobile terminal output unit broadcast to the AMR format audio data decode of described storage.
6, as each described method of claim 3 to 5, it is characterized in that, analysis to video file and audio file in the described step 3.1 comprises Study document head and concordance list, the action of described Study document head comprises: determine whether to be the user-defined format video file, determine the image frame per second, determine image resolution ratio, determine whether to exist audio frequency, determine the concordance list initial address; Described analysis concordance list action comprises: create internal storage concordance list space according to the concordance list size, determine the total frame speed of video data block, size and every frame initial address, determine voice data block format, size and initial address.
7, a kind of portable terminal with user-defined format processing multi-medium data comprises image, audio frequency input unit, and image, audio output unit, and the baseband processor that is connected with described each unit is characterized in that, also comprise:
The image coding and decoding unit, connect described image input unit and image output unit, under recording mode, the view data of described image input unit output is encoded and store, under play mode, the described view data of having encoded and having stored is decoded and transfer to described image output unit with predetermined format with predetermined format;
The audio coding decoding unit, connect described audio frequency input unit and audio output unit, under recording mode, the voice data of described audio frequency input unit output is encoded and store, under play mode, the described voice data of having encoded and having stored is decoded and transfer to described audio output unit with predetermined format with predetermined format.
8, portable terminal as claimed in claim 7, it is characterized in that, when described portable terminal is in recording mode, described image coding and decoding unit is JPG format-pattern data and storage with described coded image data, and described audio coding decoding unit is AMR format audio data and storage with described audio data coding.
9, portable terminal as claimed in claim 8, it is characterized in that, when described portable terminal is in play mode, the described JPG format-pattern data decode that described image coding and decoding unit will be stored is the rgb format view data and exports described portable terminal image output unit broadcast to that described audio coding decoding unit is PCM format audio data and exports described audio frequency of mobile terminal output unit broadcast to the AMR format audio data decode of described storage.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102790922A (en) * | 2011-05-18 | 2012-11-21 | 腾讯科技（深圳）有限公司 | Multimedia player and method for sharing multimedia |
| CN106791536A (en) * | 2016-11-30 | 2017-05-31 | 青岛海信移动通信技术股份有限公司 | The recording player method and terminal of multimedia file |
| CN110798715A (en) * | 2019-11-18 | 2020-02-14 | 华强方特(深圳)软件有限公司 | Video playing method and system based on image string |
| CN113157973A (en) * | 2021-03-29 | 2021-07-23 | 广州市百果园信息技术有限公司 | Method, device, equipment and medium for generating cover |
| CN119484844A (en) * | 2025-01-09 | 2025-02-18 | 江西联创特种微电子有限公司 | H265-based encoding and decoding method carrying custom image frame information |
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| CN100350800C (en) * | 2005-06-03 | 2007-11-21 | 安凯（广州）软件技术有限公司 | MTV playing method for wireless network and wireless handheld apparatus and wireless network |
| CN100409681C (en) * | 2005-08-19 | 2008-08-06 | 上海晨兴电子科技有限公司 | Image-sound synchronous recording and playing method |
| CN1980368A (en) * | 2005-12-02 | 2007-06-13 | 海德威电子工业股份有限公司 | Multi-media document generating method of media playing apparatus and apparatus thereof |
| CN1933575B (en) * | 2006-09-30 | 2010-06-23 | 康佳集团股份有限公司 | Video recording method for photographic hand-held equipment |
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| CN102790922A (en) * | 2011-05-18 | 2012-11-21 | 腾讯科技（深圳）有限公司 | Multimedia player and method for sharing multimedia |
| CN102790922B (en) * | 2011-05-18 | 2015-12-16 | 腾讯科技（深圳）有限公司 | Multimedia player and share multimedia method |
| CN106791536A (en) * | 2016-11-30 | 2017-05-31 | 青岛海信移动通信技术股份有限公司 | The recording player method and terminal of multimedia file |
| CN110798715A (en) * | 2019-11-18 | 2020-02-14 | 华强方特(深圳)软件有限公司 | Video playing method and system based on image string |
| CN113157973A (en) * | 2021-03-29 | 2021-07-23 | 广州市百果园信息技术有限公司 | Method, device, equipment and medium for generating cover |
| CN119484844A (en) * | 2025-01-09 | 2025-02-18 | 江西联创特种微电子有限公司 | H265-based encoding and decoding method carrying custom image frame information |
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