TWI272506B - Method for generating a playlist and the system for the same - Google Patents

Abstract

The present invention discloses a method for generating a playlist, which comprises: retrieving data of every video file stored in storing means; generating a video timeline based on the data, wherein the video timeline represents the video files arranged in order; setting at least one pair of beginning and end tags on the video timeline; creating a playlist by collecting all tags in that order; and storing the playlist in the storing means. With the present invention, users could edit a play sequence of a whole digital video disc in DVD-VR format by generating a playlist in a pretty easy and convenient way.

Description

1272506 V. Description of Invention (1) ~1~-- [Technical Fields of Sheming] t invention relates to a playlist for storing a DVD (in the case of DVD, for example, DVD-VR format [previous technique] aΥ 1 St) method. With the popularity and development of digital video devices and optical cameras, optical disc recorders, DVD discs, such as digital photography/photographing at any time, Ji, Temple, etc., people can, in the case, need to The movie goes into two U^ stores digital videos. In many cases, for example, the unnecessary parts are removed, the clock is edited to achieve various purposes, and so on, and the editing work is performed by two videos and changing the order of playback. The sentence can be mistaken by the video editing program in the computer. Although the DVD disc is large but the time required for writing is suitable for storing high-definition movies, the user does not need to step on the j CD. The words are lengthy. Furthermore, the user wants to store a larger capacity in the DVD. Therefore, if the DVD is re-chained or the existing content is edited, it must be recorded - Zhang Wei is burned. In general, re-editing and burning must be imported into the computer, and the work of ^, because all files in the DVD are included. In order to solve this problem, %A will rewrite the data rewrite specifications completed in the computer. Therefore, DVD-VR (Video Recording) D V D - V R format provides for the forced use of the user to set the DVD? Put a list (playllst) ’ to make

The video recorder also provides a sequence of playback of the simple broadcaster film anchor. Although the home DVD player's preference is more complicated: single editing, there are still many DVD-VR editing programs that use double and strong functions. By

1272506 V. Description of the invention (2) For such software, the user can first select a video file on the DVD and set the pair of start and end tags in the video file. A playlist is then created by collecting all of the tags so that the image segments between each pair of start and end tags can be played continuously. However, if the user wants to generate a playlist for all the videos in the DVD, the above procedure must be repeated over and over again, at least for the number of movies in the DVD. This complicated and time-consuming program is easy for the user to deter, so it is necessary to edit the playlist of all the videos in the DVD in a more efficient manner. [Invention] In view of the above problems, the present invention provides the following methods and systems for providing Generate a playlist. The present invention allows the user to create a playlist in a convenient manner to edit the play order of all the materials in the entire DVD. The object of the present invention is to provide a method for generating a playlist of all movie files in a whole DVD. The method comprises the steps of capturing data of all video files in the storage device, and then generating a movie timeline based on the data. The movie timeline represents the sequentially arranged movie files, and then the label is set on the timeline of the movie, and then the playlist is created by collecting all the tags in the order listed above. The storage device may include a DVD in a DVD-VR format, a Blu-ray disc, an SD memory card, a hard disk drive, and the like. Another object of the present invention is to provide a system for generating a playlist, the system comprising: a processing unit and a ιζ/ζ^υ〇5 coupled to the processing unit, the invention description (3) easing, state, The buffer is used for gentleman's information. Storage device 储存~Save playlist and playlist. To this buffer, the ':= video file contains more representatives according to the above-mentioned resources to the processing unit,] t case with iV: this user interface can make: the shadow of the shadow of the shadow channel ί ί face; and put it here on the timeline of the movie's list. All the 浐 上 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 The purpose of the invention is to mention: and hard disk drives and the like. MD, 4J_ ^ V private inclusion: capture storage; ^ # species used to edit the video file slaughter, #· material; generate according to this data -;: all the shadows in the store::: the watch is arranged in order ##片时间轴,中史:木之贪: and delete the health and the rest of the axis set at least -, wear the outer part. The storage file; the video file in the CD-RW, CD-RW, DVD + Rw disc can contain DVD-VR format DVD light:: machine and flash memory, VD-RW disc, optical disc invention Another day ^ take the module for Mei: 2 = Ϊ;;: Ϊ: save media, which contains - the video timeline generation module, used to root the data; a module for In the production of ί1 to take the mold to operate; - set; and - playlist production module, set the playlist with the == axis to create a playlist, and i # th = ^ hunting by collecting all the labels in order And the playlist is stored in the storage device 1272506 V. Description of the invention (4). The storage medium may include a DVD, a CD, a B1 u-ray disc, a hard disk drive or a flash memory, etc., and the storage device may include a DVD-VR format DVD, CD-RW disc, DVD + RW disc. , DVD-RW discs, Blu-ray discs, hard drives or flash memory, and more. The present invention will be described in detail with reference to the preferred embodiments of the present invention and the accompanying drawings. In addition to the preferred embodiments, the invention is also broadly applicable in other embodiments. The invention is not limited to any embodiment, but should be based on the scope of the appended claims and its equivalents. According to a preferred embodiment of the present invention, referring to FIG. 1, in step 1 〇 1, data of each of the video files stored in the storage device is retrieved. In this embodiment, the data structure may include a file size code, a file name code, a last modified time code, or a play length code for each movie file. It is to be understood that a variety of materials are available for the present invention, and the above list is for illustrative purposes only and is not intended to limit the invention. Then, in step 102, the extracted data is arranged according to its content, because the data can contain various information about the video files in the storage device, so the arrangement can be completed according to any kind of information. In an embodiment of the invention, the arrangement of the data is based on the last modification time recorded in the last modified time code. However, in other embodiments, the user may arrange the data according to his or her preference or needs. After the arrangement is completed, it is convenient to generate a movie timeline in step 103. In a preferred embodiment, the movie timeline represents each of the storage devices.

1272506 V. INSTRUCTIONS (5) The film structure, that is, all the video files in the storage device are included in the timeline of the film, and have been arranged in the order of the above materials. With this movie timeline, users can edit several movie files at once, making it easy for users to operate. Furthermore, in step 1 〇 4, the user can edit all the video files by simply setting a number of tags on the timeline of the movie. In one embodiment, the tags are set in double' and will retain portions of each pair of tags. By collecting these tags, the order in which the user wants to play can be recorded. After the play list is created by collecting all the tags, it is convenient to store the playlist in the storage device containing the movie file in step 106. In a preferred embodiment of the invention, the storage device includes, but is not limited to, a DVD in a DVD-VR format. The invention can also use a Blu-ray disc, a card or other storage device with a playlist function. In addition to being set by the user, the tag can also be set automatically. Referring to FIG. 2, in step 021, when the movie time axis is generated, a detector can be used to set the scene change label on the movie time axis. The detection technique for scene change has been disclosed in US Patent Application No. 1 / 3 0 3,0 2 No. 6 Method for shot change detection for a video clip" and US Patent Application No. 10/211, 5 74 "Method for detecting scene changes in compressed video data", the above two US The patent application rights of the patent application are the same as the present invention. Herein, the contents of the invention are referred to as a reference, and in order to avoid the focus of the invention, the detection technique of the scene change will not be described in detail herein. After the scene change beam sign is set, in step 2 0 2, the user may need

1272506 V. INSTRUCTIONS (6) Confirm whether it is appropriate or not, and select the appropriate label in step 2 0 3. The above setting procedure for the scene change label is not necessary, and the user's needs are chosen. The present invention also provides a system for generating a playlist. Referring to Figure 3, the system includes a processing unit 30, a storage device 31, a buffer 3, a user interface 33, and a display 36. In one embodiment, the storage device 3 1 includes three video files, namely, a movie 1 310, a movie 2 31, and a movie 3 31. It is understood that the number of video files is for illustrative purposes only, that is, any number of video files that do not exceed the capacity of the storage device can be included. The buffer 32 is coupled to the processing unit 30 for storing the data 3 2 0 of each of the video files in the storage device 31. For example, the data may include, but is not limited to, a file size code, a file name code, a play length code, or a last modified time code. In another embodiment of the present invention, the data may further include other information of the video file. The video timeline 34 will be generated by the data in the buffer 31. In this embodiment, the processing unit 30 processes the data and is responsible for generating the movie timeline 34. The movie timeline 34 is included in the user interface 33 and represents the video files in all of the storage devices 31. The order of the video files in the movie timeline 34 is based on the data 3 2 0. In this embodiment, although the video files are arranged according to the file name, other materials may be used for the arrangement, for example, the last modification time recorded in the last modified time code, and the user may also arrange the movie time according to their needs. The order of the video files in the axis. The user interface 3 3 allows the user to set at least one pair of start and end tags on the movie timeline 34. In one embodiment, the tag can be set by a cursor controlled by a mouse or a tablet.

1272506 V. Description of the invention (7), wherein the reference numbers in the figure are 3 4 0, 3 4 4, 3 4 6 and 3 4 8 respectively, and other methods such as voice control can also be used. The start tags all have a corresponding end tag, and the reference numbers in the figure are 3 4 1 , 3 4 7 and 3 4 9 respectively. According to Figure 3, the portion between each of the two start and end tags is specifically marked and is intended to be added to the portion of the playback sequence. In another embodiment of the invention, the system further includes a detector 35 for detecting the scene transition time point in each of the movie archives and automatically setting the scene change label on the movie timeline 34. In Fig. 3, there are two scene change labels 3 4 2 and 3 4 3 which are set on the movie time axis 34 and are not required by them. It is understood that the detection technique for the scene change has been disclosed in U.S. Patent Application No. 1 0 / 3 0 3,0 2 6 , in addition to whether the scene change label is appropriate and whether the scene change label is intended to be joined. The part of the playlist can be determined by the user through the user interface 3 or the like. Display 36 is coupled to processing unit 30 to present user interface 33, and display 36 can include a CRT monitor, LCD monitor, projector, plasma display, or other device that can present a movie timeline and a label therein. Device. Since the playlist records the playback order of the movie files in the storage device 31, this list can be created by collecting all the tags in the movie timeline 34. The manufactured playlist 3 2 1 will be temporarily stored in the buffer and then written into the storage device 31. Next time, when the user wants to view the video file in the storage device 3 1 in this playback order, it is only necessary to interpret the related information recorded in the play list 3 1 3 .

Page 12 1272506 V. Description of the Invention (8) In the preferred embodiment of the present invention,

However, it is not limited thereto, and it may be provided as a DVD-VK format DVD device: a playlist function storage medium c, an SD memory card, etc. according to another aspect of the present invention, provided for use in the present invention . method. Referring to Figure 4, the presenter, = in addition to editing the video file, is substantially similar to the method described above. In the second, I did not produce the playlist needed to be deleted, and in step / in, as in step 4 〇 5, the part that is not to be played is combined into a 'more remaining part, also in steps 4 0 1, will be 枵 & material six > J heart month private case. Cautious, ^ ^ stored in the storage device I / / widely in this example, these data can be ^ video file ί small code, file name code, the last modified door 2 contains the file file file, = It is understood that the present invention is a Hummer or a play. For the purpose of illustration, rather than 1; ^; the information, and the above package will be based on the various codes; In step 402, the operation "quote" "slots" and some of the data are arranged in this order. A * : 成' can of course be based on the last modification in the present invention, a life π π i, bran, and the name of the last 记录 / 施 所 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文 文Completion of the data 2: You can use the tone according to their needs::!; Bu, the timeline of this film is "after, will be in step 4〇丄 &, that is, death + 3 all stored in a 〇 3 Produce the video timeline Γ; 2:; The video in the device is broadcasted in the middle of the film, and the film is arbitrarily arranged in the order of the film. By this film, the film is included in the film time. To edit all the disputes H ^ Therefore, this method is really recognizable, and the user will have a shirt file, and the user only needs to use the user on the timeline of the movie.

Page 13 1272506 V. Description of the invention (9) -- and = set two f = more start and end tags, as shown in step 4 0 4. The part of r ^ between each start and end of the double label will be preserved, in other words, u will be divided by other parts as shown in step 4 0 5. In addition, in step 4 0 6, the knot = reserved portion to create a new video file. The storage device in the embodiment can include a DVD in the DVD-VR format, however, the ΐ i 3 2 is limited to such a storage device. A B 1 u_ray disc, a flash memory or a hard disk drive can be applied to the present invention. According to the present invention, another _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ^ should be included in the storage of the present invention; any storable data can be generated in the storage device, and these modules are co-operating with a playlist containing the capture module 5 ', 'before + material'. Group 5 0 3 and playlist 2 pieces of day-to-day axis generation module 50 2. Setting modules These modules can be computer programs or pullers\= 4. In an embodiment of the invention, 'take module 501 Capture the software module with the specific function of the store. In the material, the timeline of the movie will generate the data of the mother and the second, and the video broadcast case will be generated by the film timeline of the ί case. The video file's capital #丄/, according to the basis of these data 戋 μ μ ! ΐ ΐ know the case size code, 栌茔 ^ to get the poor material, the sample of the case data, and 2, +, understandable For the present invention, two = 0 cases, the film time:: f wish to use the invention. Finally, according to

1272506 V. INSTRUCTIONS (ίο) Modify the last modification time recorded in the time code, or the solution can be completed by the user's operation. The setting module 5 0 3 then sets at least one pair of start and end tags on the movie timeline, and the tags can be automatically set or manually set by the user, for example, a detector can be applied to set a label at the time of scene change, and Users can still use the mouse or other device to control the cursor to add or remove tags on the movie timeline. Finally, by collecting all the tags, the playlist generation module 504 can create a playlist and write it into the storage device. In a preferred embodiment of the present invention, the storage device may be a DVD in a DVD-VR format, but is not limited thereto, and other storage media having a playlist function, such as a Blu-ray disc, an SD memory card, etc. It is used in the present invention. The present invention has been described above by way of a preferred example, and is not intended to limit the spirit of the invention. Modifications and similar configurations made within the spirit and scope of the invention are intended to be included within the scope of the appended claims.

Page 15 1272506 Brief Description of the Drawings [Simple Description of the Drawings] Figure 1 is a flow chart showing the procedure of the method of the present invention. Figure 2 is a flow chart showing the procedure for detecting scene changes. Figure 3 is a block diagram of the system of the present invention. Figure 4 is a flow chart showing the procedure of another method of the present invention. Figure 5 shows the storage medium of the present invention. [Main component symbol description] None

Page 16

Claims (1)

1272506 VI. Patent Application Range 1. A method for generating a playlist (p 1 ay 1 ist), the method comprising: extracting data stored in each video file in the storage device; generating a movie time based on the data a thread (vide 〇time 1 ine), wherein the movie time axis represents the movie file arranged in order; a tag is set on the time axis of the movie; the tag is collected according to the order to generate the play list And storing the playlist in the storage device. 2. The method of claim 1, wherein the video file represented by the video timeline is arranged according to the data, wherein the data includes a file size code (fi le size code) of the video file. ), a file name code (fi 1 enamecode), a play time length code (p 1 ay length code), or a last modified code ( last-modified code) o 3. As in the method of claim 2, The information described therein is arranged according to the last modification time recorded by the last modified time code. 4. The method of claim 1, wherein the method further comprises: using a detector to detect a scene change time point (scenechange ρ 〇int) in the movie file, and setting the point at the time of the scene change Scene change tag; Page 17 1272506 VI. Patent Application Range Select some of the scene change labels. 5. The method of claim 1, wherein the storage device comprises a DVD in a DVD-VR format. 6. The method of claim 1, wherein the storage device comprises an SD memory card. 7. The method of claim 1, wherein the storage device comprises a Blu-ray. 8. A system for generating a playlist, comprising: a processing unit; a buffer coupled to the processing unit; a storage device coupled to the buffer for storing a movie file and the playlist; a user interface, coupled to the processing unit, and the user interface includes a movie timeline representing the video file, wherein the user interface allows the user to set a label on the movie timeline; and a display coupled The processing unit is configured to present the user interface; wherein the processing unit is configured to collect the tag to generate the playlist in the buffer. 9. The system of claim 8, wherein the film timeline system Page 18 1272506 VI. Scope of Application The patent is configured according to the last modification time recorded in the last modification code of the video file. 10. The system of claim 8, further comprising a detector for detecting a scene change point in the movie file, and setting a scene change at the scene change point in the movie time axis label. 1 1. The system of claim 8, wherein the storage device comprises: a DVD in a DVD-VR format; and a disc burning machine for writing the playlist to the DVD-VR format The system of claim 8, wherein the storage device comprises: an SD memory card; and a card reader for reading and writing the SD memory card. 13. The system of claim 8, wherein the storage device comprises: a Blu-ray disc; and a Blu-ray disc burner for writing the playlist to the B1 u-ray CD. Page 19 1272506 VI. Patent Application Range 1 4. A method for editing a video file, the steps comprising: capturing data of each video file stored in the storage device; generating a movie timeline according to the data, wherein the The movie timeline represents the video file arranged in order; at least one pair of tags are set on the timeline of the movie; and the portion of the movie file stored in the storage device outside the at least one pair of tags is deleted. The method of claim 14, wherein the film time axis is arranged according to the data including a last modified time code. The method of claim 14, wherein the storage device comprises a DVD in a DVD-VR format, a CD, a Blu-ray disc, a hard disk drive or a flash memory (Π ashmem) 〇ry). The method of claim 14, wherein the method further comprises: combining the remaining portion of the video file to generate a combined video file in the storage device. 1 8 - a storage medium comprising: a capture module for capturing data of each video file stored in the storage device; a video timeline generating module for generating a representative video file based on the data Video timeline, where the data is obtained by the capture module Page 20 1272506 6. The scope of the patent application is selected; a setting module for setting a label on the time axis of the movie generated by the generating module; and a playlist generating module for collecting by order All of the tags generate a playlist and store the playlist in the storage device. 1 9 . The storage medium of claim 18, wherein the information includes a file size code (fi 1 esizec〇de), a slot name code (fi 1 enamecode), and a slot number of the film slot. Play a time length code (p 1 ay 1 eng th code) or a last-modified code. 2 0. The storage medium of claim 19, wherein the movie timeline is configured according to a last modification time recorded by the last modified time code. 2 1. The storage medium of claim 18, wherein the storage device comprises a DVD in a DVD-VR format. 2 2. The storage medium of claim 18, wherein the storage device comprises an SD memory card. 2 3. The storage medium of claim 18, wherein the storage is as described Page 21 1272506 VI. Scope of Application The device contains a Blu-ray disc. Page 22