CN1319029C - Method for generating starting picture of video playing device - Google Patents
Method for generating starting picture of video playing device Download PDFInfo
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- CN1319029C CN1319029C CNB03143066XA CN03143066A CN1319029C CN 1319029 C CN1319029 C CN 1319029C CN B03143066X A CNB03143066X A CN B03143066XA CN 03143066 A CN03143066 A CN 03143066A CN 1319029 C CN1319029 C CN 1319029C
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Abstract
The present invention provides a method for generating a start-up picture of an image player. The method comprises the following steps: step (a), multiple image data are provided for the image player; step (b), an image datum is selected from the multiple image data; step (c), the selected image datum is coded; step (d), the image datum after being coded is stored in a memory; step (e), when the image player is restarted, the image datum after being coded is read by the memory; step (f), the image datum after being coded is decoded; step (g), the image datum after being decoded is displayed on the image player.
Description
Technical field
The present invention relates to a kind of method that produces start-up picture, particularly relate to a kind of method that produces the start-up picture of image player.
Background technology
See also Fig. 1, Fig. 1 is the functional block diagram of known image player 10, image player 10 comprises a demoder 12, be used for image data is done data decode, a temporary storage 13 is used for keeping in the decoded image data of image file that demoder 12 will be play on image player 10, one scrambler 14, be used for image data is done digital coding, and a flash memory 16, be used for storing the image data behind a procedure code and the coding.
See also Fig. 2, Fig. 2 is the process flow diagram of method of the start-up picture of known generation image player 10, and it comprises the following step:
Step 100: on image player 10, capture an image data by a motion graphics file 18;
Step 102: will encode by picked image data on the image player 10;
Step 104: the image data after will encoding deposits flash memory 16 in;
Step 106: when opening image player 10 again, read image data behind this coding by flash memory 16;
Step 108: the image data after will encoding is decoded;
Step 110: should be presented on the image player 10 by decoded image data.
In step 100, when image player 10 is just being play a motion graphics file 18, demoder 12 is done data decode according to the procedure code that is stored in flash memory 16 with motion graphics file 18, decoded image data is temporary in temporary storage 13, then is presented on the image player 10 afterwards.
In step 102, when image player 10 receives an image capture control signal, in temporary storage 13, capture an image data according to this image capture signal, scrambler 14 is made the data coding according to the procedure code that is stored in flash memory 16 with this image data afterwards, produces one and upgrades image data.
In step 104, the remaining space of flash memory 16 can be identified whether be large enough to hold this renewal image data earlier, if the remaining space of flash memory 16 is not enough to hold this renewal image data, then get back to step 102 this image data recompile is produced another renewal image data, and compare with the remaining space of renewal image data that will be produced and flash memory 16, when the remaining space of flash memory 16 is enough to hold this renewal image data, at first remove the segment space in the flash memory 16, and should upgrade image data and deposit in the flash memory 16.
In step 106-110, when opening image player 10 again, read existing image data behind the coding from flash memory 16, use demoder 12 should existing image data to decode and be reduced to an image data, and decoded image data is presented on the image player 10.
In the method for the start-up picture of known generation image player 10, can only provide a pick-up image as the image data that produces start-up picture, can't provide a plurality of image frames of user as the reference of selecting, because image data all has the loss of data message behind coding, and do not detect the related data of the demonstration constant and the image disc of image data, when failing after decoding, to be presented at image player 10, the complete original appearance that presents this image data.
Summary of the invention
Therefore fundamental purpose of the present invention provides a kind of method of image with the start-up picture of generation image player that be available for users to select, to address the above problem.
To achieve these goals, the invention provides a kind of method that produces the start-up picture of image player, it comprises the following step: a plurality of image datas (a) are provided on this image player; (b) by choosing an image data in these a plurality of image datas; (c) will encode by the image data of choosing in these a plurality of image datas; (d) image data after will encoding deposits a first memory in; (e) when opening this image player again, read image data behind this coding by this first memory; (f) after carrying out step (e), the image data behind this coding is decoded; (g) should be presented on this image player by decoded image data.
The present invention also provides a kind of method that produces the start-up picture of image player, and it comprises the following step: whether the image data that (a) detects on this image player captures from a motion graphics file; (b) if the image data on this image player is that acquisition is from this motion graphics file, then provide a plurality of image datas by this motion graphics file according to this image data, and by choosing an image data in these a plurality of image datas, otherwise directly choose the image data of step (a); (c) image data that step (b) is chosen is encoded; (d) image data after will encoding deposits a first memory in; (e) when opening this image player again, read image data behind this coding by this first memory; (f) after carrying out step (e), the image data behind this coding is decoded; (g) should be presented on this image player by decoded image data.
Compare with known technology, advantage of the present invention comprises: when the acquisition start-up picture, be during directly acquisition is play in the image working area (Frame Buffer) in temporary storage or a plurality of pictures relevant with present playing video data, therefore need not consume extra data, and as long as image player can be play, the present invention just can capture from various different pieces of informations () the image data for example: DVD-Video, DVD-Audio, VCD, SVCD, CDG, JPEG, Picture CD or the like of originating; And the user can freely choose the picture of liking and need not to worry to capture opportunity of picture not ideal enough from contiguous picture.In addition, the present invention is when acquisition and storage start-up picture, all consider to store corresponding display parameter of this image data and disc information (for example: Album, ID, Title, Track, file name or the like) in the lump the purpose of therefore reach user " What You See Is What You Get (WhatYou See Is What You Get) ", picture being liked in the storage of following one's bent simultaneously.
Description of drawings
Fig. 1 is the functional block diagram of known generation image player;
Fig. 2 is the process flow diagram of the start-up picture of known generation image player;
Fig. 3 produces the functional block diagram of image player for the present invention;
Fig. 4 is the process flow diagram of the method phase one of the start-up picture of first embodiment of the invention generation image player;
Fig. 5 is the process flow diagram of the method subordinate phase of the start-up picture of first embodiment of the invention generation image player;
Fig. 6 is the process flow diagram of the method phase III of the start-up picture of first embodiment of the invention generation image player;
Fig. 7 is the process flow diagram of the method quadravalence section of the start-up picture of first embodiment of the invention generation image player;
Fig. 8 is the process flow diagram of the method phase one of the start-up picture of second embodiment of the invention generation image player;
Fig. 9 is the process flow diagram of the method subordinate phase of the start-up picture of second embodiment of the invention generation image player;
Figure 10 is the process flow diagram of the method phase III of the start-up picture of second embodiment of the invention generation image player;
Figure 11 is the process flow diagram of the method quadravalence section of the start-up picture of second embodiment of the invention generation image player; With
Image data that Figure 12 shows on display device for the present invention and disc data.
The reference numeral explanation
10 image players, 12 demoders
13 temporary storages, 14 scramblers
16 flash memories, 18 motion graphics files
20 image players, 22 demoders
24 scramblers, 26 flash memories
28 temporary storages, 30 motion graphics files
32 Electrically Erasable Read Only Memories
34 dynamic storagies, 36 discs
38 display device, 40 disc informations
42 image datas, 281 image working areas
282 summary 283 display parameter working areas, working area
Embodiment
See also Fig. 3, Fig. 3 is the functional block diagram of image player 20 of the present invention.Image player 20 comprises a demoder 22, is used for the image data that is stored on the disc 36 is done data decode; One scrambler 24 is used for image data is done digital coding; One flash memory (Flash) 26, be used for storing a procedure code (for example: the required procedure code of image player 20 runnings) and the image data behind the coding (for example: start-up picture); One temporary storage 28, can plan a plurality of images working area (FrameBuffer) 281 in it, summary working area (Digest Buffer) 282, display parameter working area 283, image working area 281 is to be used for keeping in a plurality of image datas that image player 20 is produced in playing the static graphics file or the process of motion graphics file, for example: when image player 20 when broadcast meets the motion graphics file of MPEG specification, these image working areas 281 can be used to store ReferencePicture (for example: I Picture or P is Picture) and B Picture, summary working area (DigestBuffer) 282 is used for the temporary transient information of desiring to export to display circuit that stores, and 283 in auxiliary data working area is used for temporarily (for example: amplification storing the display parameter relevant with these image datas, dwindle, color/brightness is adjusted or the like), and the disc relevant information of reading from disc 36 (for example: Album ID, Title, Track, file name or the like); One Electrically Erasable Read Only Memory (EEPROM) 32, disc 36 data that are used for finally storing the display parameter of image data and deposit this image data; And a dynamic storage 34, be used for temporary image data behind image data behind the existing coding that flash memory 26 is read and coding.In the present embodiment, this flash memory (Flash) 26 and this Electrically Erasable Read Only Memory (EEPROM) 32 can various non-volatile (non-volatile) storer replace, and both can be arranged on same storer and separate with different addresses (Address).Temporary storage 28 and dynamic storage 34 can use various storeies to replace, and preferable selection is to adopt volatibility (volatile) storer, but if has special consideration can also adopt non-volatile (non-volatile) storer.Temporary storage 28 and dynamic storage 34 also can be arranged at same storer and separate with different addresses (Address).
See also Fig. 4, Fig. 5, Fig. 6 and Fig. 7, Fig. 4 is the process flow diagram of the method phase one of the start-up picture of first embodiment of the invention generation image player, Fig. 5 is the process flow diagram of the method subordinate phase of the start-up picture of first embodiment of the present invention generation image player, Fig. 6 is the process flow diagram of the method phase III of the start-up picture of first embodiment of the invention generation image player, Fig. 7 is the process flow diagram of the quadravalence section of the start-up picture of first embodiment of the invention generation image player, wherein mark A is the relation that is used for conveniently linking between Fig. 4 and Fig. 5, mark B and mark C are the relation that is used for making things convenient between connection layout 5 and Fig. 6, mark D is the relation that is used for conveniently linking between Fig. 6 and Fig. 7, the method that it produces the start-up picture of image player comprises the following step:
Step 120: image player 20 receives an image capture control signal;
Step 122: a plurality of image datas are provided on image player 20;
Step 124: in these a plurality of image datas, choose an image data;
Step 126: detect the size of selected image data, simultaneously execution in step 128 and 144;
Step 128:, determine its corresponding default quantification stratum (Quantization Level) parameter according to the size of this image data;
Step 130: scrambler 24 is made the data coding according to being stored in the procedure code of flash memory 26 and quantization step layer parameter that step 128 determined with this image data, produces the image data behind the coding;
Step 132: but whether the size of the image data after relatively should coding is greater than the residue storage area of flash memory 26.If, then carry out step 134, if not, then carry out step 136;
Step 134: adjusting quantification stratum parameter is that a renewal quantizes stratum's parameter, carry out step 130;
Step 136: check the image data that whether stores in the flash memory 26 behind the existing coding, if, will be stored in then that image data behind the existing coding in the flash memory 26 is read earlier and dynamic storage 34 is gone in unloading, carry out step 138; If not, then carry out step 140;
Step 138: the image data merging behind the image data after will encoding and this existing coding becomes the image data behind another coding, carry out step 140;
Step 140: remove the segment space in this flash memory 26, carry out step 142;
Step 142: should upgrade image data and from dynamic storage 34, read and deposit in flash memory 26;
Step 144: from the disc 36 that stores these a plurality of image datas, read the relevant information of these a plurality of image datas and the display parameter of these a plurality of image datas;
Step 146: this is deposited the relevant information of disc 36 of these a plurality of image datas and the display parameter of image data deposit display parameter working area 283 in;
Step 148: but after the image data after determining coding can deposit in the residue storage area of flash memory 26, store the relevant information of the disc 36 that is temporary in a plurality of image datas in the display parameter working area 283 and the display parameter of image data and deposit Electrically Erasable Read Only Memory (EEPROM) 32 in;
Step 150: when opening image player 20 again, read image data behind this coding by flash memory 26;
Step 152: the image data after will encoding is decoded;
Step 154: the display parameter that in Electrically Erasable Read Only Memory 32, read disc data and this image data;
Step 156: should be shown on the image player 20 by decoded image data.
In step 120-124, when image player 20 (for example: just playing one one with MPEG I is just being play a motion graphics file 30, or MPEG II form is compressed on the film on the disc 36), and when receiving an image capture control signal (for example: the user presses the button of " pick-up image data " on the image player 20), promptly read a plurality of image datas that are temporary in image working area 281 at present, and the display parameter and the disc information that are temporary in display parameter working area 283, export display device 38 to by summary working area (Digest Buffer) 282.Shown picture such as the Figure 12 of display device 38 this moment.When image player 20 receive one select signal (for example: the user by the knob on the image player 20 from these a plurality of image datas, select a favorite image data, and press " determining " button) time, 20 of image players according to this selection signal from a plurality of image datas choose a specific image data with and corresponding display parameter, disc information.Because image player 20 is when playing motion graphics file 30 usually, originally the coherent video data that desire will be play (for example: in the MPEG specification, Reference Picture, the B Picture relevant with present playing video) and corresponding display parameter deposit in the temporary storage 28 in advance, and step 120-124 just removes to show and choose image data and the display parameter that are stored in the temporary storage 28 merely, therefore can't consume too many extra resource.
In step 126-128, image player 20 detects the size of these image datas, reads the data of disc 36 of these a plurality of image datas and the display parameter of this image data, and determines a default quantization step layer parameter according to the size of this image data.
And go into Electrically Erasable Read Only Memory 32 with originally being stored in the image data in the temporary storage 28, the display parameter of this image data and the equal unloading of information of this disc 36.
The quality and the data volume size of the image data after the quantization step layer parameter can determine to encode.The display parameter of image data determine that then present image data is to present in which way.For example: the user may select to amplify, dwindle, change color or brightness, ten six to nine wide screens demonstrations or Letter is Box, Pan Scan four to three traditional screens demonstrations when appreciating static graphics file (for example: JPEG, TIFF image file) or motion graphics file (for example: be compressed on film on the disc 36 with MPEG I or MPEG II form).The display parameter of image data have just determined the actual presentation mode of present image data.Therefore known image player 20 does not store these display parameter, the user can be taken place want to store the awkward situation that the image frame that presents at present (for example: the raw video data are amplified nine times, brightness promote the image frame after 30 percent) but can't be accomplished.Present embodiment is owing to except image data itself, still store corresponding display parameter, the purpose of therefore can reach user " What You See Is What You Get (What You See Is What You Get) ", picture being liked in the storage of following one's bent.
May have in the image player 20 present discs of playing 36 with play in static state or the relevant data of motion graphics file.For example: may have AlbumID, Title, Track information in the DVD-Video discs; May there be Album ID, Track information in the VCD/SVCD discs; May there be jpeg file title or the like in the Picture CD discs.When the user, may wish these information is shown in the lump during start-up picture in acquisition simultaneously.Therefore step 144-158 still comprises and reads and the operation of storage disc information.Please refer to Figure 12.The present invention can read and show the disc information 40 such as Album ID, file name simultaneously, so the user can use the more personalized start-up picture of making when showing the image data 42 of start-up picture.
In the step 128, the mode that image player 20 can be tabled look-up decides the size of different images data should adopt which kind of default quantization step layer parameter; No matter also can the image data size why, all adopt identical default quantification stratum parameter.
In step 130-134, scrambler 24 is made the data coding according to procedure code that is stored in flash memory 26 and the corresponding quantization step layer parameter of this image data with this image data, and produces the image data behind the coding.But whether the residue storage area of checking flash memory 26 afterwards is large enough to hold the image data behind this coding.If but the residue storage area of flash memory 26 is not enough to hold the image data behind this coding, then adjusting quantification stratum parameter is that a renewal quantizes stratum's parameter, procedure code and this renewal quantification stratum parameter that 24 bases of scrambler are stored in the flash memory 26 are carried out digital coding with this image data, produce another the coding after image data, but and once more with the coding that will be produced after image data and the residue storage area of flash memory 26 compare, but the image data after the residue storage area of flash memory 26 is enough to hold this coding.
Comprise many group (Bank) storage unit in the flash memory 26.When removing the content of flash memory 26, must be that the unit is removed with group (Bank).The size of group (Bank) for example can be 64KB according to the brand of flash memory 26 and kind and different.For the use that makes flash memory 26 more efficient.
In step 136-142, if in the flash memory 26, there has been the image data behind the existing coding, image data behind then earlier that this is the existing coding is all read earlier, is also kept in to dynamic storage 34, image data behind image data after will encoding afterwards and this existing coding merges, and the segment space in the removing flash memory 26, the image data after the side will merge deposits in the flash memory 26.Thus, even there has been the start-up picture of previous setting in the flash memory 26, also being unlikely to can be deleted, and can and be stored in the flash memory 26 with the newly-increased start-up picture of setting, and the user can the situation of looking select different start-up pictures for use thereafter.If there is no the image data behind other existing codings of storage in the flash memory 26, then remove the segment space in the flash memory 26, the image data behind this coding is deposited in the flash memory 26.
Among the step 144-148, at first from the disc 36 that stores these a plurality of image datas, read the relevant information of these a plurality of image datas, and the display parameter of these a plurality of image datas, afterwards this is deposited the relevant information of disc 36 of these a plurality of image datas and the display parameter of image data and deposit display parameter working area 283 in, and then after but the image data after determining coding can deposit in the residue storage area of flash memory 26, then store the relevant information of the disc 36 that is temporary in a plurality of image datas in the display parameter working area 283 and the display parameter of image data and deposit Electrically Erasable Read Only Memory EEPROM 32 in.So far, the part of selection and storage start-up picture is finished.
Below be image player 20 when start, read the step of start-up picture.In step 150-156, when opening image player 20 again, from flash memory 26, read the image data behind this coding, use image data after demoder 22 will be encoded to decode and be reduced to an image data; The display parameter of the image data that from Electrically Erasable Read Only Memory 32, reads disc data in addition and be selected, display parameter according to disc data and the image data that is selected are shown in decoded image data on the image player 20, and disc data also can show in the lump.Display result such as Figure 12.The order of step 152, step 154 can be exchanged, or carries out synchronously.
See also Fig. 3, Fig. 8, Fig. 9, Figure 10 and Figure 11.Fig. 3 produces the functional block diagram of image player for the present invention, Fig. 8 is the process flow diagram of the method phase one of the start-up picture of second embodiment of the invention generation image player, Fig. 9 is the process flow diagram of the method subordinate phase of the start-up picture of second embodiment of the invention generation image player, Figure 10 is the process flow diagram of the method phase III of the start-up picture of second embodiment of the invention generation image player, Figure 11 is the process flow diagram of the method quadravalence section of the start-up picture of second embodiment of the invention generation image player, wherein mark A is the relation that is used for conveniently linking between Fig. 8 and Fig. 9, mark B and mark C are the relation that is used for conveniently linking between Fig. 9 and Figure 10, mark D is the relation that is used for conveniently linking between Figure 10 and Figure 11, in addition, the present embodiment and the first embodiment difference are with step 158-164 alternative steps 122-124, all the other are same steps as, then do not give unnecessary details in this, therefore step 158-164 be presented below:
Step 158: whether the image file that detection image player 20 is play is a motion graphics file, if, carry out step 162, if not, carry out step 160.
Step 160: the static graphics file on the device 20 of selecting to display the play, carry out step 126 then.
Step 162: in temporary storage 28, read a plurality of image datas;
Step 164: image player 20 receives one and selects signal, and chooses an image data according to this selection signal.
In step 158-164, when image player 20 is play an image file (for example: static graphics file or motion graphics file), and when receiving an image capture control signal, promptly detect the data mode of image player 20 at this image file, if its data mode is a motion graphics file, then read a plurality of image datas that are temporary in the temporary storage 28, it is shown in user's interface.When image player 20 receives a selection signal, then in a plurality of image datas, choose an image data according to this selection signal; If its data mode is a static graphics file, then this static graphics file is shown in user's interface, when image player 20 receives a selection signal, then with the image data of this static graphics file as start-up picture.
Among the present invention, first embodiment and second embodiment produce the method for the start-up picture of image player, all use an Electrically Erasable Read Only Memory to come storage disc data and selected its display parameter of image data, yet also can not use Electrically Erasable Read Only Memory 32, and the image data behind disc data and selected its display parameter of image data and the coding together is stored in the flash memory 26.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (14)
1. method that produces the start-up picture of image player, it comprises the following step:
(a) whether the image data that detects on this image player captures from a motion graphics file;
(b) if the image data on this image player is that acquisition is from this motion graphics file, then provide a plurality of image datas by this motion graphics file according to this image data, and by choosing an image data in these a plurality of image datas, otherwise directly choose the image data of step (a);
(c) image data that step (b) is chosen is encoded;
(d) image data after will encoding deposits a first memory in;
(e) when opening this image player again, read image data behind this coding by this first memory;
(f) after carrying out step (e), the image data behind this coding is decoded;
(g) should be presented on this image player by decoded image data.
2. the method for claim 1, it also comprises step (h): the image data that is selected in the quantization step (b), wherein step (c) is that image data after step (h) is quantized is encoded.
3. method as claimed in claim 2, it also comprises the size that detects the image data that is selected in the step (b), and wherein step (h) is the image data that is selected in the big or small quantization step (b) according to the image data that is selected in the step (b).
4. method as claimed in claim 2, but also comprising the residue storage area that detects this first memory, it whether can hold the image data that step (c) coding back produces, if but the residue storage area of this first memory can hold the image data that step (c) coding back produces, execution in step (d) then, otherwise further quantize the image data that step (b) is selected.
5. the method for claim 1, wherein this first memory is a flash memory.
6. the method for claim 1, it also is included in execution in step (d) before, image data behind image data in this first memory and step (c) coding is merged, and wherein step (d) is to deposit the image data after this two merging in this first memory.
7. method as claimed in claim 6, it is preceding that it also is included in execution in step (d), removes the segment space in this first memory.
8. the method for claim 1, it also comprises the display parameter that detect the image data that is selected in the step (b), and deposits the display parameter of the image data that is selected in the step (b) in a second memory.
9. method as claimed in claim 8, it is preceding that it also is included in execution in step (g), by the display parameter of the image data that is selected in this second memory read step (b), wherein step (g) can be presented at the decoded image data of step (f) on this image player according to these display parameter.
10. method as claimed in claim 8, wherein this second memory is an Electrically Erasable Read Only Memory.
11. the method for claim 1, its disc data that also comprises the image data that will be selected in the storing step (b) deposits a second memory in.
12. method as claimed in claim 11, it is preceding that it also is contained in execution in step (g), reads this disc data by this second memory, and wherein step (g) can be shown in the decoded image data of step (f) on this image player according to this disc data.
13. method as claimed in claim 11, wherein this second memory is an Electrically Erasable Read Only Memory.
14. an image player is used for implementing the method for claim 1.
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| CNB03143066XA CN1319029C (en) | 2003-06-18 | 2003-06-18 | Method for generating starting picture of video playing device |
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| CNB03143066XA CN1319029C (en) | 2003-06-18 | 2003-06-18 | Method for generating starting picture of video playing device |
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| CN100428788C (en) * | 2006-07-14 | 2008-10-22 | 杭州国芯科技有限公司 | Method for transcribing opening picture |
| CN101686346B (en) * | 2008-09-28 | 2013-01-30 | 康佳集团股份有限公司 | Display device and startup picture replacing method thereof |
| GB2556262B (en) * | 2012-12-21 | 2018-11-21 | Displaylink Uk Ltd | Management of memory for storing display data |
| KR102437698B1 (en) * | 2015-08-11 | 2022-08-30 | 삼성전자주식회사 | Apparatus and method for encoding image thereof |
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| CN2405385Y (en) * | 1999-10-19 | 2000-11-08 | Tcl王牌电子(深圳)有限公司 | Online upgrade device for TV set |
| JP2002199099A (en) * | 2000-12-27 | 2002-07-12 | Sanyo Electric Co Ltd | Information supply server and telephone system using the same |
| CN1431577A (en) * | 2002-01-11 | 2003-07-23 | 互慧科技股份有限公司 | Handheld electronics device with selectable frame for turning on/off device and its realizing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405385Y (en) * | 1999-10-19 | 2000-11-08 | Tcl王牌电子(深圳)有限公司 | Online upgrade device for TV set |
| JP2002199099A (en) * | 2000-12-27 | 2002-07-12 | Sanyo Electric Co Ltd | Information supply server and telephone system using the same |
| CN1431577A (en) * | 2002-01-11 | 2003-07-23 | 互慧科技股份有限公司 | Handheld electronics device with selectable frame for turning on/off device and its realizing method |
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