CN1206906A - VCD replaying controller and control method thereof - Google Patents
VCD replaying controller and control method thereof Download PDFInfo
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- CN1206906A CN1206906A CN 98115405 CN98115405A CN1206906A CN 1206906 A CN1206906 A CN 1206906A CN 98115405 CN98115405 CN 98115405 CN 98115405 A CN98115405 A CN 98115405A CN 1206906 A CN1206906 A CN 1206906A
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Abstract
A video CD reproduction controlling device comprising a CD-drive, a CD-ROM decoder, an MPEG decoder, an address storing unit for storing disk reproduction information read out from the first track on a video CD, and a controller for controlling each of the above units, the controller storing an address of moving image data recorded on the first track included in the disk reproduction information, into the address storing unit, and controlling the CD-drive, the first, MPEG decoder so as to reproduce the moving image data recorded on the first track by use of the address stored in the address storing unit, in the reproduction of the moving image data at the reproduction mode with playback control-off.
Description
The present invention relates to controlling recording and VCD playback control device and control method thereof with the playback of the VCD of the pictorial data of MPEG1 mode compressed encoding.
VCD can be on the formative dish of CD-ROM the pictorial data and the voice data of time-division recording compressed, maximum can be carried out the playback of 74 minutes pictures and sounds.In VCD, writing down pictures and sounds, this image is with (the ISO/IEC of expert group of ISO and CCITT, JTC1/SC2/WC8 (Moving PictureExpert Group:MPEG)) the high-duty compression coding mode of the MPEG1 standard of stipulating in the ISO/IEC-11172-2 of suggestion in 1993 (below, be called MPEG1) comprises motion video and still image.And, use and to have loaded the mpeg video decoder that can decode to the compressed image data and the compression sound data of MPEG1 mode and the VCD player of mpeg audio decoder is come the pictures and sounds of playback of recorded on VCD.
The formation of the dish of VCD has been represented on pattern ground in Fig. 4.When reference Fig. 4, the dish of VCD can then be positioned at the introducing district L of perimembranous and at first road (T1), second road (T2), the 3rd road (T3) identifying recording layer, maximum can be come record data up to 99 roads.It is identical with the introducing district in being located at music CD (close dish) to introduce district L, as the necessary control information of the start position information of TOC information record except that the road.First road (T1) is the VCD data track of the various dish information of record.Can in first road (T1), write down the playback information T11 of playback order of indicating panel and the pictorial data T12 of motion picture and still frame.Later road, second road (T2) is respectively the MPEG-AV road of 1 motion picture of record.The mpeg data of record time division multiplex compressed image data and compression sound data in these roads.
In the playback method of the pictures and sounds that in VCD, is write down, have the playback method the playback information T11 that is recorded in first road (T1) reset with dialogic operation (be called Play Control (PBC) connect reset) and with the playback method in the irrelevant later road, second road (T2) of resetting successively of playback information T11 (be called PBC turn-off reset).
The formation of in Fig. 5, having represented existing VCD playback control device.Existing VCD playback control device shown in Figure 5 comprises: CD driver 51, the playback record data in VCD; CD-ROM demoder 52 is decoded and is exported replay data the data of being read by CD driver 51; Mpeg decoder 53 is under the situation of mpeg data in the replay data of being exported from CD-ROM demoder 52, and this mpeg data is decoded and output image signal and voice signal; Control part 54, control CD driver 51, CD-ROM demoder 52 and mpeg decoder 53.
Process flow diagram below with reference to Fig. 4, Fig. 5 and Fig. 6 comes the action that the existing VCD playback of PBC shutoff playback time is controlled is described.When resetting beginning, when PBC being set at shutoff (step 601), control part 54 is for the playback of the pictures and sounds that carries out being write down in the dish in being placed on CD driver 51, and to CD driver 51 send to as the stem in second road (T2) in the beginning road of resetting search requirement (step 602), and carry out read and reset (step 603) from second road (T2).That is, under the situation that PBC turn-off to reset, for playback of recorded at the later motion picture in second road (T2), even in first road (T1), write down pictorial data T12, this image of can not resetting.The pictorial data T12 that is write down in first road (T1) only connects under the situation of resetting and could be reset at PBC.
Therefore, when user's playback of recorded visual in first road (T1), the playback control that must select PBC to connect to reset and carry out VCD is turn-offed this image of can not resetting in resetting at PBC.
There is such VCD: the whole moving picture data of record in first road (T1), and in second road (T2) later road, do not write down moving picture data.Such VCD does not violate above-mentioned VCD standard, is selecting PBC shutoff playback time but to have the defective that can not reset motion picture fully.
The purpose of this invention is to provide VCD playback control device and control method thereof, even PBC is turn-offed under the situation of the playback control carry out VCD, the also motion picture that can reset and in first road, be write down.
Realize the present invention of above-mentioned purpose, a kind of VCD playback control device is provided, load VCD, this VCD in first road at least record expression reset and be compressed the dish playback information of playback order of the moving picture data of coding with predetermined compress mode, simultaneously, write down the moving picture data of this compressed encoding as required, in later road, second road, write down this and be compressed the moving picture data of coding, the playback of the moving picture data of controlling recording in this VCD comprises with the lower part:
The CD driver loads VCD and comes the data of playback record in VCD;
First decoding device is decoded and is exported replay data the data of being read by above-mentioned CD driver;
Second decoding device under the replay data of exporting from above-mentioned first decoding device is situation with the above-mentioned moving picture data of above-mentioned predetermined compress mode institute compressed encoding, is decoded and output image signal and voice signal to this moving picture data;
Memory storage, the above-mentioned dish playback information of from above-mentioned first road reading of storage from the replay data that above-mentioned first decoding device is exported;
Control device is controlled above-mentioned CD driver and above-mentioned first, second decoding device,
Above-mentioned control device, from the above-mentioned dish playback information that above-mentioned first road is read, comprising the replay data of exporting from above-mentioned first decoding device, the address that is recorded in the above-mentioned moving picture data in above-mentioned first road is stored in the above-mentioned memory storage
Control above-mentioned CD driver and above-mentioned first, second decoding device, so that so that Play Control when resetting above-mentioned moving picture data for the manner of playback of turn-offing, the above-mentioned address that use is stored in above-mentioned memory storage is recorded in the playback of the above-mentioned moving picture data in above-mentioned first road.
According to a preferred embodiment of the invention, above-mentioned control device, under situation about the address that is recorded in the above-mentioned moving picture data in above-mentioned first road being stored in the above-mentioned memory storage, the data of inspection record in above-mentioned first road in each frame, judge whether these data are moving picture datas, when being judged to be above-mentioned data when being moving picture data, the address of above-mentioned data is stored in the above-mentioned memory storage.
According to a preferred embodiment of the invention, above-mentioned control device, at control above-mentioned first, second decoding device and after being recorded in the playback of the above-mentioned moving picture data in above-mentioned first road, then control above-mentioned CD driver and above-mentioned CD driver and above-mentioned first, second decoding device, so that the above-mentioned moving picture data of playback of recorded in later road, second road successively.
According to a preferred embodiment of the invention, above-mentioned control device, under situation about the address that is recorded in the above-mentioned moving picture data in above-mentioned first road being stored in the above-mentioned memory storage, the data of inspection record in above-mentioned first road in each frame, judge whether these data are moving picture datas, when being judged to be above-mentioned data when being moving picture data, the address of above-mentioned data is stored in the above-mentioned memory storage, in control above-mentioned first, second decoding device and being recorded in after the playback of the above-mentioned moving picture data in above-mentioned first road, then control above-mentioned CD driver and above-mentioned CD driver and above-mentioned first, second decoding device is so that the above-mentioned moving picture data of playback of recorded in later road, second road successively.
VCD playback control method of the present invention, the VCD CD driver of packing into, this VCD in first road at least record expression reset and be compressed the dish playback information of playback order of the moving picture data of coding with predetermined compress mode, simultaneously, write down the moving picture data of this compressed encoding as required, write down this and be compressed the moving picture data of coding in later road, second road, the playback of the moving picture data of controlling recording in this VCD may further comprise the steps:
From the VCD that the CD driver, is adorning, read the step of recorded data;
The data of being read by above-mentioned CD driver are decoded and export the step of replay data;
Storage package is contained in the step of the address that is recorded in the above-mentioned moving picture data in above-mentioned first road from the above-mentioned dish playback information that above-mentioned first road is read in the above-mentioned replay data;
When the manner of playback that with the Play Control is shutoff is reset above-mentioned moving picture data, use in above-mentioned address stored, obtain the step that is recorded in the above-mentioned moving picture data in above-mentioned first road.
According to a preferred embodiment of the invention, the step of the address of the above-mentioned moving picture data of stored record in above-mentioned first road comprises: the data of inspection record in above-mentioned first road in each frame, judge whether these data are steps of moving picture data; When being judged to be above-mentioned data when being moving picture data, store the step of the address of above-mentioned data.
According to a preferred embodiment of the invention, comprise such step: after the playback of the above-mentioned moving picture data in being recorded in above-mentioned first road, the then above-mentioned moving picture data of resetting successively and in later road, second road, being write down.
According to a preferred embodiment of the invention, the step of the address of the above-mentioned moving picture data of stored record in above-mentioned first road comprises: the data of inspection record in above-mentioned first road in each frame, judge whether these data are steps of moving picture data; When being judged to be above-mentioned data when being moving picture data, store the step of the address of above-mentioned data; Further comprise such step: after the playback of the above-mentioned moving picture data in being recorded in above-mentioned first road, the then above-mentioned moving picture data of resetting successively and in later road, second road, being write down.
These and other purpose, advantage and feature of the present invention will be in conjunction with the drawings to the description of embodiments of the invention and further specified.In these accompanying drawings:
Fig. 1 is the process flow diagram of action of the VCD playback control device of expression one embodiment of the present of invention;
Fig. 2 is the process flow diagram that the action of address storage part is stored the playback address of the step 103 of Fig. 1 in expression in detail;
Fig. 3 is the block scheme of the VCD playback control device of expression present embodiment;
Fig. 4 is the synoptic diagram of formation of the dish of pattern ground expression VCD;
Fig. 5 is the block scheme of the formation example of the existing VCD playback control device of expression;
Fig. 6 is the process flow diagram of the action of the existing VCD playback control device of expression.
Describe the preferred embodiments of the present invention with reference to the accompanying drawings in detail.
Fig. 3 is the block scheme of formation of the VCD playback control device of expression one embodiment of the present of invention.When reference Fig. 3, the VCD playback control device of present embodiment comprises: CD driver 11, the playback record data in VCD; CD-ROM demoder 12 is decoded and is exported replay data the data of being read by CD driver 11; Mpeg decoder 13 is under the situation of mpeg data in the replay data of being exported from CD-ROM demoder 12, and this mpeg data is decoded and output image signal and voice signal; Control part 14, control CD driver 11, CD-ROM demoder 12 and mpeg decoder 13; Address storage part 15 is stored in the pictorial data address of being write down in first road (T1) of VCD.In Fig. 3, only put down in writing the formation of the feature in the present embodiment, omit its explanation for other general formations.The dish of employed VCD constitutes shown in Figure 4 in the present embodiment.
In the formation of present embodiment, CD-ROM demoder 12, mpeg decoder 13 and control part 14 can be by for example being realized by programme controlled CPU and internal storage.The computer program of control CPU is stored in disk and CD, semiconductor memory, other the general medium and is provided, and packs internal storage into and carry out predetermined formation in CPU.Address storage part 15 is realized by other external memories except that disk set and other internal storages except that RAM.
In the above-described configuration, pack into VCD and driving of CD driver 11 in the control of control part 14, reads in recorded data in each road.
12 pairs of CD-ROM demoders are decoded from the data that VCD reads by CD driver 11, and generate replay data and output.
Below, the process flow diagram that sees figures.1.and.2 comes the action of the playback control of VCD that control part 14 is carried out to describe.When resetting beginning, at first, 11 indications of CD driver are searched requirement (step 102) to first road (T1).When first road of 11 couples of VCD of CD driver (T1) when conducting interviews, the address of the CD-ROM demoder 12 of control part 14 search records in first road (T1) is stored in the playback address of obtaining in the address storage part 15 (step 103).
With reference to the process flow diagram of Fig. 2 of the action of concrete expression step 103, describe in detail action in the address storage part 15 is stored in the address of the pictorial data T12 that is write down in first road (T1).In VCD, the playback information T11 that the dish information in first road (T1) is write down, 00 minute and 04 second from the address 00 frame in initial address, and the size of a frame is made of the frame of 2048 bytes.In 2048 bytes of one frame, 0～55 byte is other intrinsic informations except that the dish title.56～2035 bytes are the information relevant with the pictorial data of motion picture and still frame.2036～2047th, the clear area.With the corresponding byte data of pictorial data in, when the bit 3 of this byte data and bit 2 all are " 1 ", represent that this byte data is the moving picture data of MPEG1 mode.
When reference Fig. 2, control part 14 is at first read the data (step 201) of 00 minute 04 second 00 frame in address of the playback information T11 in first road (T1).Then, the data (step 202) of 56～2035 bytes of the information that the check expression is relevant with pictorial data T12 in this frame.In check, when detecting this byte data of expression and be the data of situation of motion picture, that is, when the bit 3 of this byte data and bit 2 all were " 1 ", control part 14 stored the address of this byte data in the address storage part 15 (step 203,204) as replay data.In the case, the header addresses that comprises in the dish information for a former frame that reads in, each byte of the data of check is carried out addition in 2 seconds, calculates the value of playback address thus.
As above, after storing into the address of the pictorial data T12 that is write down in first road (T1) in the address storage part 15, control part 14 is read the later whole track addresss in second road (T2) and is stored (Fig. 1, step 104) in the address storage part 15 into.
After above processing, the actual playback of carrying out data.Control part 14 at first reads out in the playback address of the pictorial data T12 in first road of storing in the address storage part 15 (T1), is provided with to give CD driver 11 and CD-ROM demoder 12 (step 105).Then, CD driver 11 indication is searched requirement (step 106) to the initial motion picture of pictorial data T12.
If to the end of searching of initial moving picture data, control part 14 just starts CD-ROM demoder 12 and mpeg decoder 13, begins the playback (step 107) of the image that write down in first road (T1).
After the playback of the total movement picture of the pictorial data T12 in first road (T1) finishes, control part 14, in order to carry out the playback of recorded data in second road (T2) later road, and 11 indications of CD driver are searched requirement (step 108,109) to second road (T2).
If the end of searching to second road, control part 14 just start CD-ROM demoder 12 and mpeg decoder 13, and the playback (step 110) of the image that beginning is write down in second road (T2).After this, the motion picture of resetting successively and in each road, being write down.
As described above, according to VCD playback control device of the present invention and control method thereof, when playback VCD, retrieve the dish information in first road in advance, be stored in the address of the pictorial data that is write down in first road, thus, even under the situation of turn-offing the control of resetting under the manner of playback of Play Control, also have can the image of playback of recorded in first road effect.
Because the image that can under the manner of playback of turn-offing Play Control, reset and in first road, be write down, do not exist later among the such VCD of motion picture in second road even then only in first road, have motion picture, have the effect that under the manner of playback of turn-offing Play Control, to reset without barrier yet.
Label declaration in the accompanying drawing:
Does in Fig. 1: 101: PBC is set turn-offs 102: indication requires 103 to searching of first to driver: calculate the replay address of the motion picture in the first and it is stored in the address storage part into 104: the motion picture address later second stores address storage part 105 into: read replay address and it is arranged to CD driver and CD-ROM decoder 106 from address storage part: initial searching of motion picture requires 107: resetting begins 108 from initial motion picture: the motion picture playback the first finish? 109: require 110 to searching of second: reset from second
Are in Fig. 2 201: the data 202 of reading the 00:04 frame in the first: from 56 to 2035 check data 203: bit 3 and bit 2 all " 1 "? 204: replay address is stored in the address storage part
11:CD driver 12:CD-ROM decoder 13:MPEG decoder 14 in Fig. 3: control part 15: address storage part
In Fig. 4
L: introduce the district
T1: first road
T2: the second road motion picture
T3: the 3rd road motion picture
T11: playback information
T12: pictorial data
51:CD driver 52:CD-ROM demoder 53:MPEG demoder 54 in Fig. 5: control part
In Fig. 6
601: PBC is set turn-offs
602: the requirement of searching to second road
603: reset from second road
Claims (8)
1. VCD playback control device, load VCD, this VCD in first road at least record expression reset and be compressed the dish playback information of playback order of the moving picture data of coding with predetermined compress mode, simultaneously, write down the moving picture data of this compressed encoding as required, in later road, second road, write down this and be compressed the moving picture data of coding, the playback of the moving picture data of controlling recording in this VCD, it is characterized in that, comprise with the lower part:
The CD driver loads VCD and comes the data of playback record in VCD;
First decoding device is decoded and is exported replay data the data of being read by above-mentioned CD driver;
Second decoding device under the replay data of exporting from above-mentioned first decoding device is situation with the above-mentioned moving picture data of above-mentioned predetermined compress mode institute compressed encoding, is decoded and output image signal and voice signal to this moving picture data;
Memory storage, the above-mentioned dish playback information of from above-mentioned first road reading of storage from the replay data that above-mentioned first decoding device is exported;
Control device is controlled above-mentioned CD driver and above-mentioned first, second decoding device,
Above-mentioned control device,
From the above-mentioned dish playback information that above-mentioned first road is read, comprising the replay data of exporting from above-mentioned first decoding device, the address that is recorded in the above-mentioned moving picture data in above-mentioned first road is stored in the above-mentioned memory storage,
Control above-mentioned CD driver and above-mentioned first, second decoding device, so that so that Play Control when resetting above-mentioned moving picture data for the manner of playback of turn-offing, the above-mentioned address that use is stored in above-mentioned memory storage is recorded in the playback of the above-mentioned moving picture data in above-mentioned first road.
2. VCD playback control device according to claim 1 is characterized in that, above-mentioned control device, and under situation about the address that is recorded in the above-mentioned moving picture data in above-mentioned first road being stored in the above-mentioned memory storage,
The data of inspection record in above-mentioned first road in each frame judge whether these data are moving picture datas,
When being judged to be above-mentioned data when being moving picture data, the address of above-mentioned data is stored in the above-mentioned memory storage.
3. VCD playback control device according to claim 1, it is characterized in that, above-mentioned control device, at control above-mentioned first, second decoding device and after being recorded in the playback of the above-mentioned moving picture data in above-mentioned first road, then control above-mentioned CD driver and above-mentioned CD driver and above-mentioned first, second decoding device, so that the above-mentioned moving picture data of playback of recorded in later road, second road successively.
4. VCD playback control device according to claim 1 is characterized in that,
Above-mentioned control device,
Under situation about the address that is recorded in the above-mentioned moving picture data in above-mentioned first road being stored in the above-mentioned memory storage, the data of inspection record in above-mentioned first road in each frame, judge whether these data are moving picture datas, when being judged to be above-mentioned data when being moving picture data, the address of above-mentioned data is stored in the above-mentioned memory storage
At control above-mentioned first, second decoding device and after being recorded in the playback of the above-mentioned moving picture data in above-mentioned first road, then control above-mentioned CD driver and above-mentioned CD driver and above-mentioned first, second decoding device, so that the above-mentioned moving picture data of playback of recorded in later road, second road successively.
5. VCD playback control method, the VCD CD driver of packing into, this VCD in first road at least record expression reset and be compressed the dish playback information of playback order of the moving picture data of coding with predetermined compress mode, simultaneously, write down the moving picture data of this compressed encoding as required, write down this and be compressed the moving picture data of coding in later road, second road, the playback of the moving picture data of controlling recording in this VCD may further comprise the steps:
From the VCD that the CD driver, is adorning, read the step of recorded data;
The data of being read by above-mentioned CD driver are decoded and export the step of replay data;
Storage package is contained in the step of the address that is recorded in the above-mentioned moving picture data in above-mentioned first road from the above-mentioned dish playback information that above-mentioned first road is read in the above-mentioned replay data;
When the manner of playback that with the Play Control is shutoff is reset above-mentioned moving picture data, use in above-mentioned address stored, obtain the step that is recorded in the above-mentioned moving picture data in above-mentioned first road.
6. VCD playback control method according to claim 5 is characterized in that,
The step of the address of the above-mentioned moving picture data of stored record in above-mentioned first road comprises:
The data of inspection record in above-mentioned first road in each frame judge whether these data are steps of moving picture data;
When being judged to be above-mentioned data when being moving picture data, store the step of the address of above-mentioned data.
7. VCD playback control method according to claim 5, it is characterized in that, comprise such step: after the playback of the above-mentioned moving picture data in being recorded in above-mentioned first road, the then above-mentioned moving picture data of resetting successively and in later road, second road, being write down.
8. VCD playback control method according to claim 4 is characterized in that,
The step of the address of the above-mentioned moving picture data of stored record in above-mentioned first road comprises: the data of inspection record in above-mentioned first road in each frame, judge whether these data are steps of moving picture data; When being judged to be above-mentioned data when being moving picture data, store the step of the address of above-mentioned data;
Further comprise such step: after the playback of the above-mentioned moving picture data in being recorded in above-mentioned first road, the then above-mentioned moving picture data of resetting successively and in later road, second road, being write down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98115405 CN1206906A (en) | 1997-06-05 | 1998-06-05 | VCD replaying controller and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP147868/97 | 1997-06-05 | ||
| CN 98115405 CN1206906A (en) | 1997-06-05 | 1998-06-05 | VCD replaying controller and control method thereof |
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| CN1206906A true CN1206906A (en) | 1999-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100511202C (en) * | 2002-06-24 | 2009-07-08 | 株式会社东芝 | Cartoon image replay device, progress data and cartoon image replay method |
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1998
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100511202C (en) * | 2002-06-24 | 2009-07-08 | 株式会社东芝 | Cartoon image replay device, progress data and cartoon image replay method |
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