JP5068866B2 - Playback apparatus and program - Google Patents

Description

  The present invention relates to a playback device and a program.

2. Description of the Related Art In recent years, devices that have recording media for recording moving data files such as HDDs (Hard Disk Drives) and DVDs (Digital Versatile Disks) and that reproduce and record the moving data files have been developed. In addition, some portable information terminal devices such as cellular phones can view the above-described moving data file and television broadcast program.
The moving data file here is a general term for files in which video data and audio data are recorded. For example, AVI (Audio Video Interleave) format, MPEG (Moving Picture Experts Group) format, WAV format, or JPEG (Joint Photographic Experts) Group) and a combination of the playback instruction file and the like.
In a device that records and plays back a moving data file, a technique for playing back a moving data file according to a control file (see Patent Document 1), prioritizes recorded moving data files, and saves and deletes them. A technique for automatically performing (see Patent Document 2) has been known.

JP 2003-19904 A JP 2002-305706 A

When a user who uses the above-mentioned device has a limited viewing time, it is desirable to select a moving data file that can be viewed within that time as much as possible and efficiently view the file. In addition, when many recorded files have not been viewed, it is often unclear which recorded file should be viewed. Also, when viewing must be interrupted, it is desirable to prioritize the interrupted dynamic data file if possible at the next viewing.
However, it is difficult to search for a suitable moving data file according to the above-mentioned user's request and efficiently view it with the known technology, and further development has been desired.

  Therefore, the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a playback device that efficiently manages a dynamic data file and reproduces a suitable dynamic data file according to a user's request. It is.

In order to solve the above-mentioned problem, the invention according to claim 1 is a storage means in which a plurality of moving data files and information related to past reproduction history corresponding to each of the plurality of moving data files are recorded; First determining means for determining whether or not the remaining recording capacity of the storage means is less than or equal to a predetermined remaining capacity, and determining that the remaining recording capacity of the storage means is less than or equal to a predetermined remaining capacity by the first determining means And a file playback means for playing back a motion data file that has been stopped during playback based on information relating to the past playback history recorded in the storage means, and the playback has been stopped halfway. After the reproduction of the moving data file is started, the reproduction end determining means for determining whether or not the reproduction of the moving data file has ended, and the reproduction of the moving data file is ended by the reproduction end determining means. If it is discriminated as, characterized in that the dynamic data file in which the reproduction has been completed with a, and a file deleting means for deleting from the storage means.
Furthermore, a program for realizing the main functions shown in the invention described in claim 1 is provided to the computer (the invention described in claim 6 ).

The invention according to claim 3, in the invention of claim 1 or 2, before Symbol file deletion means, when the reproduction of the moving data file is judged to have been completed by the reproduction end determination means, wherein An operation of displaying a list of motion data files that have been played back and deleting the motion data file from the displayed list of motion data files based on the information related to the past playback history recorded in the storage means. The moving data file corresponding to the received operation is deleted from the storage means.

The invention according to claim 4 is the invention according to any one of claims 1 to 3 , further comprising a reproduction stop determining means for determining whether or not the reproduction of the dynamic data file has been stopped halfway. When it is determined that the reproduction of the dynamic data file has been stopped halfway, the reproduction stop determination unit records the position where reproduction of the dynamic data file was stopped as information relating to the past reproduction history in the storage unit. It is characterized by doing.

According to a second aspect of the present invention, in the first aspect of the invention, the file reproduction means is determined by the first determination means that the remaining recording capacity of the storage means is equal to or less than a predetermined remaining amount. In this case, a list of the dynamic data files in which the reproduction is stopped is displayed based on the information on the history of the past reproduction recorded in the storage means, and the dynamic data file is displayed from the displayed list of the dynamic data files. An operation for reproducing a data file is accepted, and the reproduction of the dynamic data file corresponding to the accepted operation is started from the position where the reproduction is stopped based on information relating to the past reproduction history corresponding to the dynamic data file It is characterized by doing.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, when the reproduction end determination unit determines that the reproduction of the dynamic data file has ended, the storage unit And a second determining unit that determines whether or not the remaining recording amount is less than or equal to a predetermined remaining amount, wherein the file deleting unit uses the second determining unit to reduce the remaining recording amount of the storage unit to a predetermined remaining amount or less. When it is determined that the moving data file has been reproduced, the moving data file is deleted from the storage means.

  According to the present invention, since the configuration is such that a motion data file stopped during playback is searched based on a past playback history, it is possible to promote efficient viewing of the user's motion data file.

It is a block diagram which shows typically the functional structure of the reproducing | regenerating apparatus 1 to which this invention is applied. 6 is a flowchart for describing processing for searching for a moving data file by specifying a reproducible time and playing it in the first embodiment. 6 is a flowchart for describing processing for searching for a moving data file by specifying a reproducible time and playing it in the first embodiment. It is a flowchart explaining the process which preferentially searches and reproduces the moving data file stopped in the middle of reproduction | regeneration in 2nd Embodiment. It is a flowchart explaining the process when adding a new dynamic data file to the recording medium 15a in 3rd Embodiment. 15 is a flowchart for describing processing for displaying and playing back a list of moving data files to be viewed according to the number of moving data files being played stored in the recording medium 15a according to the fourth embodiment. It is a figure explaining the index table regarding a dynamic data file.

[First Embodiment]
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. However, the scope of the present invention is not limited to the illustrated examples.
FIG. 1 shows a functional configuration of a playback apparatus 1 according to the present invention. The playback apparatus 1 includes a control unit 11, a display unit 12, an audio output unit 13, an image processing unit 14, a storage unit 15, a communication unit 16, an antenna 17, a camera photographing unit 18, a key operation unit 19, a memory 20, and an IC card. A processing unit 21 is provided, and these units are connected to each other via a bus 22. Specifically, the playback device 1 is a mobile information terminal such as a mobile phone or PDA (Personal Digital Assistant), a personal computer, a DVD (Digital Versatile Disk) recorder, an HDD (Hard Disk Drive) recorder, or a home server. .

  The control unit 11 includes a CPU (Central Processing Unit), an internal RAM (Random Access Memory), and a ROM (Read Only Memory) (not shown). In the CPU, a predetermined area of the internal RAM is stored in the ROM as a work area. In accordance with various control programs, control signals are sent to the above-described units to control the overall operation of the playback apparatus 1.

  The display unit 12 includes a display such as an LCD (Liquid Crystal Display) and a CRT (Cathode Ray Tube), and displays an image on the display based on an image output signal input from the control unit 11.

  The audio output unit 13 includes a D / A circuit, a speaker, and the like (not shown). The audio output unit 13 converts an audio digital signal input from the control unit 11 into an audio analog signal by the D / A circuit and outputs the audio analog signal from the speaker.

  The image processing unit 14 is composed of an image DSP (Digital Signal Processor), not shown, and the like. The image processing unit 14 converts various kinds of image data input from the control unit 11 into a predetermined image output signal such as an RGB format, or white balance adjustment. Image processing is performed and output to the control unit 11. In addition, the image processing unit 14 performs compression / decoding processing of the image data and outputs it to the control unit 11.

The storage unit 15 as a recording unit includes a recording medium 15a, an image memory 15b, an EEPROM (Electrically Erasable and Programmable Read-Only Memory) that is an electrically erasable and rewritable nonvolatile memory, a flash memory, and the like. .
The recording medium 15a is a recording medium that is readable and writable in the storage unit 15 or an IC card processing unit 21 to be described later, and includes a single / plural dynamic data file and a dynamic data file such as a past reproduction history. The index table which is information about Examples of the recording medium 15a include CD-R, CD-R / W, DVD-R, DVD-R / W, DVD + R / W, DVD-RAM, Blu-ray disc, MO disc, PC card, SD card, memory stick ( Registered trademark), smart media, compact flash (registered trademark), xD-Picture card, HDD, and non-volatile memory.

Here, an index table relating to a dynamic data file will be described with reference to FIG.
The motion data file index table shows, for each motion data file, the file address indicating the start position of the motion data file on the recording medium 15a, the recording date and time indicating the recording date and time, the playback time from the beginning to the end, and the viewing state. The flag shown (unviewed “0”, watched “2”, halfway watched “1”), the stop position that is the address on the data stopped by the stop instruction during playback, and the stop position are calculated. Information about the playback of each motion data file. As described above, the information regarding the dynamic data file is collectively managed by the index file, so that the search can be performed at high speed.

  As described above, the information of a plurality of moving data files may be collectively stored in one index file. However, each moving data file has a structure provided as additional information in the header or footer portion. Well, not particularly limited. In this case, since information is managed for each moving data file, even when several moving data files are copied to another recording medium, information related to reproduction can be held and processing based on the information can be performed. .

Further, the flag indicating the viewing state may be indicated by a stop position. For example, if it indicates an unviewed moving data file, the same address as the file address is stored at the stop position, and if it is a previously viewed or stopped moving data file, the end or middle address of the file is set. Store.
Thereby, the viewing state of the moving data file can be determined only by checking the stop position.

  The image memory 15b is a VRAM (Video RAM) or the like, and is a memory that temporarily stores the image data stored in the recording medium 15a or the like for high-speed transfer when the data is displayed on the display unit 12.

The communication unit 16 includes an antenna 17 and is a circuit unit for performing data communication by driving and controlling the antenna 17. A wireless communication method adopted by an external communication service provider in accordance with an instruction input from the control unit 11. Performs communication processing including radio signal modulation / demodulation processing and terminal authentication processing based on (for example, CDMA, PDC, GSM, etc.), such as a server connected to a voice call or communication network (not shown) Perform data communication with the terminal.
In this case, the configuration may be such that the dynamic data file and / or the index table of the dynamic data file is stored in the servers connected to each other by the communication unit 16 so as to be able to perform data communication with each other. Can do.

  Further, the communication unit 16 extracts a television broadcast radio signal having a set tuning frequency from the carrier frequency of a television broadcast radio signal received from an antenna 17 from a television broadcast station (not shown). Then, the image / sound data included in the television broadcast radio signal is output to the control unit 11. Note that an electronic program guide (EPG) may be used, and EPG data that is superimposed and transmitted on a television broadcast radio signal may be output to the control unit 11. The EPG data includes information such as the title, outline, broadcast start time, broadcast end time, etc. of the program scheduled to be broadcast in the future. Thus, when recording a television broadcast, the information from the EPG data is included. It can be stored in an index table for moving data files.

  The camera photographing unit 18 is configured by an optical lens, an image sensor, and the like that are not particularly illustrated. The camera photographing unit 18 outputs an image that enters the optical lens and forms an image on the image sensor according to an instruction from the control unit 11 as an image signal.

  The key operation unit 19 includes various keys such as numeric keys, character keys, and function keys for inputting operation instructions to the playback apparatus 1, a small stick-shaped pointing device, and the like. The user performs various operation instructions or settings for the playback apparatus 1 by operating the key operation unit 19 while referring to the screen displayed on the display unit 12.

  The memory 20 (Random Access Memory) is a volatile memory composed of, for example, SDRAM (Synchronous Dynamic RAM), and forms a memory area for developing various data and buffers when the control unit 11 executes various processes.

  The IC card processing unit 21 is a circuit that controls a card generally called a PC card, for example, compliant with JEIDA / PCMCIA, which is inserted in order to expand the function of the playback device 1. Control various functions by card. The various functions here include, for example, the above-described SD card, Memory Stick (registered trademark), SmartMedia, CompactFlash (registered trademark), xD-Picture card, or small HDD, and information writing / recording on the recording medium. There are functions to perform reading, USB (Universal Serial Bus) communication function, data communication function by telephone line and PHS (Personal Handy-phone System), etc., and a card having these functions is provided in the IC card processing unit 21 according to the application. Insert and use.

  Next, a process of searching for a moving data file by designating a reproducible time by the control unit 11 and playing it will be described with reference to FIGS.

  First, the control unit 11 receives the reproducible time according to an operation instruction from the key operation unit 19 by the user in step S11 as a designation unit. The reproducible time here is not limited to the operation instruction from the key operation unit 19, but may be configured in advance in the storage unit 15. After step S11, referring to the index table, the reproduction time of the unreproduced moving data file on the recording medium 15a or the like is read (step S12) and the remaining reproduction time of the moving data file being reproduced is read (step S12). In step S13), in step S14 as search means, a search is made for a dynamic data file in which the reproduction time or the remaining reproduction time is within the reproducible time, and it is determined whether or not the corresponding dynamic data file has been detected (step S13). Step S15).

If it is determined in step S15 that the corresponding moving data file exists (step S15: YES), a combination of a plurality of moving data files within the reproducible time is further searched (step S17), and the presence or absence of the combination. Is determined (step S17), and when it is determined that there is no file (step S17: NO), a list of files that fall within the reproduction time searched in step S14 is displayed (step S19).
If it is determined in step S17 that there is a combination of a plurality of dynamic data files (step S17: YES), the combination retrieved in step S16 shown in FIG. The process proceeds to (A1).

  If it is determined in step S15 that there is no corresponding dynamic data file (step S15: NO), the dynamic data files are displayed in a list in the order of playback time / remaining playback time (step S18).

  After the list of dynamic data files is displayed in step S18 or step S19, a dynamic data file to be reproduced is selected from the displayed list in accordance with a user instruction input from the key operation unit 19 (step S20). An instruction to start playback is output to the selected moving data file and playback is started (step S21).

After the step S21, whether or not the moving data file instructed to be reproduced is instructed to stop reproduction (step S22), whether or not a predetermined reproducible time has elapsed (step S23), or whether or not reproduction has ended (step S24). It is determined and waits until any of the above conditions is determined (step S24: NO).
Here, when there is no instruction to stop reproduction or the predetermined reproduction time has not elapsed and reproduction of the moving data file instructed to reproduce in step S21 is completed (step S24: YES), the flag of the index table relating to the moving data file is set. Data indicating the end of reproduction is stored (step S29), and the process ends.
When the playback stop instruction (step S22: YES) or the playback possible time has elapsed (step S23), the playback stop instruction is output (step S25), and the playback data is recorded in the index table of the moving data file. Information about the stop position is recorded (step S26), and the remaining playback time is calculated and recorded based on the information about the stop position (step S27), and data indicating that the playback has ended halfway is stored in the flag ( Step S28) ends.

  Next, the processing (A1) when it is determined in step S17 that there is a combination of a plurality of dynamic data files (step S17: YES) will be described with reference to the flowchart shown in FIG.

First, a list of combinations of motion data files that can be played back within the time searched in step S16 is displayed (step S30), and playback is performed from the displayed list in accordance with a user instruction input from the key operation unit 19. A combination of motion data files to be played is selected (step S31), and a motion data file whose playback order is the first of the motion data files specified in a predetermined playback order in the selected combination of motion data files is reproduced. Designated (step S32), a reproduction start instruction is output for the moving data file, and reproduction is started (step S33).
The predetermined playback order here may be based on a preset condition, for example, specified in order from the one with the shortest playback time. However, when the combination of moving data files is selected in step S31, the user plays back the playback order. The configuration may be such that the order is input.

  After step S33, it is determined whether or not playback is stopped (step S34) or playback end (step S39) for the moving data file instructed to be played back, and waits until any of the above conditions is determined. (Step S39: NO). In addition, you may add the structure which determines the presence or absence of predetermined reproducible time progress here.

  If there is no instruction to stop playback or the predetermined playback time has not elapsed and playback of the moving data file for which playback has been instructed in step S33 is completed (step S39: YES), playback is performed on the flag of the index table related to the moving data file. Is stored (step S40), and it is determined whether or not all the dynamic data files have been reproduced in the selected combination of dynamic data files (step S41). Here, when all the dynamic data files are not reproduced (step S41: NO), reproduction of the dynamic data file in the next reproduction order is designated (step S42), and the process returns to step S33, and all the dynamic data files are stored. If it is being played back (step S41: YES), the process ends.

  If there is an instruction to stop playback (step S34: YES), the same processing as in steps S25 to 28 described above is performed in steps S35 to S38, and the process ends. Here, in the step S38, the data indicating that the reproduction has ended halfway may be stored only in the flag corresponding to the moving data file being reproduced, but is also stored in the flag of the moving data file before the reproduction. The stop position may be the beginning of the file address. In this case, the motion data file selected for playback is indicated by a flag, and the stop position indicates that it has not been played back. For example, when the motion data file is searched in step S14, Search as a data file.

  As described above, the playback device 1 extracts and displays a motion data file that can be played back within the time based on the playable time instructed by the user, thereby displaying a motion file that matches the user's viewable time. Data can be searched and played back.

[Second Embodiment]
Next, as a second embodiment, a description will be given of a process in which the control unit 11 preferentially searches for and reproduces a moving data file stopped during reproduction. For the sake of simplification, the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted, and processing characteristic of the second embodiment is described with reference to FIG. To do.

  The control unit 11 receives a reproducible time according to an operation instruction from the user (step S51), and searches for a moving data file stopped during the reproduction on the recording medium 15a or the like with reference to the flag of the index table (step S52). ), It is determined whether or not the corresponding moving data file exists (step S53).

If it is determined in step S53 that the corresponding moving data file exists (step S53: YES), it is then determined whether or not there are a plurality of moving data files (step S54).
Here, if there are not a plurality (step S54: NO), the remaining reproduction time of the corresponding moving data file is compared with the reproducible time (step S61), and it is determined that the reproduction is possible because it is less than the reproducible time. In the case (step S62), an instruction to start reproduction is output to the moving data file and reproduction is started (step S60).
If it is determined in step S54 that there are a plurality (step S54: YES), the remaining reproduction time of each moving data file stopped during reproduction is read (step S55), and the remaining reproduction time is within the reproducible time. Are searched (step S56), and it is determined whether or not there is a moving data file such as a face (step S57). Here, if it is determined that it exists (step S57: NO), a list of motion data files is displayed in the order of short remaining playback time (step S58), and the list is played back from the list displayed by the user's instruction. A moving data file is selected (step S59), and the moving data file is reproduced (step S60).

  If it is determined in step S53, 57 that the corresponding moving data file does not exist (step S53, 57: NO), or the remaining playing time of the corresponding moving data file is longer than the playable time in step S62, it cannot be played back. Is determined (step S62: NO), the reproduction time other than the dynamic data file to be searched is read in step S52 (step S63), and the dynamic data file that falls within the reproducible time is searched (step S63). In step S64, the presence / absence of the corresponding moving data file is determined (step S65).

If it is determined in step S65 that the corresponding dynamic data file exists (step S65: YES), a list of the corresponding dynamic data files is displayed in order from the oldest recording date and time (step S66), and displayed according to a user instruction. A moving data file to be reproduced is selected from the list (step S67), and the moving data file is reproduced (step S60).
If it is determined that the corresponding moving data file does not exist (step S65: NO), a list of all moving data files is displayed in order of shorter reproduction time (step S68), and after selection by the user (step S67). The selected moving data file is reproduced (step S60).
After step S60, the process returns to step S22 described in the first embodiment (see FIG. 2), and the description is omitted because the configuration is the same.

  As described above, the playback device 1 is configured to preferentially search for a motion data file that can be played back within the time based on the playable time instructed by the user from the motion file data stopped during the playback. Therefore, it is possible to extract a dynamic data file for the user to perform efficient viewing.

[Third Embodiment]
Next, as a third embodiment, a process when the control unit 11 adds a new moving data file to the recording medium 15a will be described. For the sake of simplification, the same components as those in the first and second embodiments are denoted by the same reference numerals and description thereof is omitted, and the processing characteristic of the third embodiment is described with reference to FIG. I will explain.

  The control unit 11 checks the remaining recording capacity of the recording medium 15a according to an operation instruction to add a new dynamic data file from the user (step S71), and the remaining recording is performed in step S72 as the first determination unit. It is determined whether or not the amount is equal to or less than a predetermined value. The activation of this process is not limited to an operation instruction from the user, but may be performed when the power is turned on, when data is recorded on the recording medium 15a, or at a certain cycle, and particularly when a file is added. It is not a thing. The value for determining the remaining recording capacity is a ratio to the storage capacity of the recording medium 15a, and may be different depending on the recording medium 15a having a different storage capacity. It is not limited to what is shown.

In step S72, when it is determined that the remaining recording capacity is equal to or less than the predetermined value (step S72: YES), a file being reproduced on the recording medium 15a is searched (step S73), and whether or not there is a corresponding file. Determination is made (step S74).
When it is determined in step S72 that the remaining recording capacity is equal to or greater than the predetermined value (step S72: NO), when it is determined in step S74 that the corresponding file does not exist (step S74: NO), or from C1 The transfer is added and recorded as a new motion data file on the recording medium 15a as it is (step S88), and is terminated.

  If it is determined in step S74 that the corresponding file exists (step S74: YES), a list of files being reproduced searched in step S73 is displayed (step S75), and the list is displayed according to the user's instruction. A moving data file to be played is selected (step S76), and an instruction to start playing the moving data file is output and played (step S77).

After step S77, as in the processing of steps S34 and 39 described above, until it is determined whether or not playback of the moving data file for which playback has been instructed has been stopped (step S78) or playback has ended (step S83). Waiting (step S83: NO).
If there is an instruction to stop playback (step S78: YES), the same processing as in steps S25 to 28 described above is performed in steps S79 to S82, and the process proceeds to C1.

  If it is determined in step S83 that the reproduction of the moving data file has been completed (step S83), data indicating that the reproduction has been completed is stored in the flag of the index table (step S84), and step S85 as warning means is performed. Then, a confirmation to delete the reproduction-completed dynamic data file is displayed, and an operation instruction that the user accepts is issued (step S86: YES), the dynamic data file is deleted from the recording medium 15a (step S87). ), Shift to C1.

  Note that the deletion of the dynamic data file in steps S85 to 87 is a configuration in which a dynamic data file having a reproduced flag stored in the recording medium 15a is searched and displayed in a list, and the dynamic data file selected by the user is deleted. There may be. In this case, the user can freely select the moving data file to be deleted from the reproduced moving data files.

  As described above, the playback device 1 has a configuration in which the moving data file stopped during playback is re-viewed according to the remaining recording capacity of the recording medium 15a and the deletion is prompted, so the recording amount of the recording medium 15a Can be prevented from becoming full, and the recording of new data can be prevented from being obstructed. In addition, the user can be aware of the fact that the recording remaining amount of the recording medium 15a has decreased, and at the same time, efficient viewing can be assisted.

  In the present embodiment, the recording remaining amount of the recording medium 15a is first determined. However, the present invention is not particularly limited. For example, the remaining recording amount of the recording medium 15a after the reproduction of the moving data file (step S84). It may be configured to prompt the deletion by determining. In this case, it is possible to prompt the user to delete the previously reproduced moving data file before adding new data, and to manage the recording medium 15a more efficiently.

[Fourth Embodiment]
Next, as a fourth embodiment, a process in which the control unit 11 displays and reproduces a list of moving data files to be viewed according to the number of moving data files being reproduced will be described. For the sake of simplification, the same components as those in the above-described embodiment are denoted by the same reference numerals and description thereof will be omitted, and processing characteristic of the fourth embodiment will be described with reference to FIG. .

  In response to an instruction for automatic reproduction of a moving data file, the control unit 11 searches for a moving data file stopped in the middle of reproduction stored in the recording medium 15a (step S91), and determines whether or not the corresponding moving data file exists. Determination is made (step S92).

  If it is determined in step S92 that there is a corresponding dynamic data file (step S92: YES), it is determined whether or not the number of dynamic data files is equal to or greater than a predetermined number of files (step S97). ) If the number of files is equal to or greater than the predetermined number (step S97: YES), a list of moving data files being reproduced in step S91 is displayed (step S98).

  When it is determined in step S92 that the corresponding moving data file does not exist (step S92: NO), the unreproduced moving data file is searched in the recording medium 15a (step S93), and the second determining means is used as the second determining means. In step S94, the presence / absence of the corresponding dynamic data file is determined.

If the corresponding file exists (step S94: YES), a list of unreproduced moving data files is displayed (step S95).
If the corresponding file does not exist (step S94: NO), or if it is equal to or less than the predetermined number of files in step S97 (step S97: NO), a list of all the motion data files stored in the recording medium 15a is displayed. It is displayed (step S96).

  Then, after a list of moving data files corresponding to the conditions is displayed (steps S95, 96, 98), an instruction to select a moving data file to be played back is input by the user (step S99), and the moving data file is played back. A start instruction is output and reproduced (step S100).

  After step S100, whether or not playback of the moving data file being played back is stopped (step S101) or playback end (step S106) is determined in the same manner as the processing in steps S34, 39, 78, and 83 described above. (Step S106: NO).

If there is an instruction to stop playback (step S101: YES), the same processing as in steps S25 to 28 or steps S79 to S82 described above is performed in steps S102 to S105 and the process ends.
If it is determined in step S106 that the reproduction of the moving data file has been completed (step S106: YES), data indicating that the reproduction has ended is stored in the flag of the index table in the moving data file (step S107). finish.

As described above, the playback device 1 searches for a moving data file that is stopped during playback stored in the recording medium 15a, and displays a list of the moving data files when the number is larger than a predetermined number. If there is an unreproduced moving data file, a list thereof is displayed.
The user can easily select a moving data file suitable for viewing by using a viewing guide for a moving data file that has been stopped during playback or an unplayed moving data file, which can improve a decrease in viewing efficiency. it can.

  The present invention is not limited to the above embodiment. For example, the file list display in steps S19, 30, 58, 66, 68, 75, 95, 96, 98, etc., is ascending order of information indicating file attributes such as playback time, recording date / time, and file name. Or any of descending order may be sufficient. In addition, the present invention can be freely changed and improved without departing from the gist of the invention.

DESCRIPTION OF SYMBOLS 1 Playback apparatus 11 Control part 12 Display part 13 Audio | voice output part 14 Image processing part 15 Storage part 15a Recording medium 15b Image memory 16 Communication part 17 Antenna 18 Camera photographing part 19 Key operation part 20 Memory 21 IC card processing part 22 Bus

Claims (6)

Storage means in which a plurality of moving data files and information relating to past reproduction history corresponding to each of the plurality of moving data files are recorded;
First discriminating means for discriminating whether or not the recording remaining amount of the storage means is equal to or less than a predetermined remaining amount;
When the first determination unit determines that the remaining recording capacity of the storage unit is equal to or less than the predetermined remaining amount, the reproduction is performed based on the information regarding the past reproduction history recorded in the storage unit. A file playback means for playing back a motion data file that was stopped halfway ;
A reproduction end determination means for determining whether or not the reproduction of the moving data file has ended after the reproduction of the moving data file that has been stopped during the reproduction is started;
A file deletion unit that deletes the moving data file that has been played back from the storage unit when the playback end determination unit determines that the playback of the moving data file has ended;
Playback device wherein the kite comprising a. The file reproduction means is information relating to the past reproduction history recorded in the storage means when the first determination means determines that the remaining recording capacity of the storage means is equal to or less than a predetermined remaining amount. And displaying a list of motion data files whose playback has been stopped halfway, accepting an operation of playing back the motion data file from the displayed list of motion data files, and corresponding to the accepted operation For the file, start playback from the position where the playback was stopped based on information about the history of the past playback corresponding to the dynamic data file,
The reproducing apparatus according to claim 1 . Before Symbol file deletion means, when said reproduction of the dynamic data file is judged to have been completed by the reproduction end determination means, based on information about the history of the recorded the past reproduction in the storage means, the reproduction Displays a list of moving data files that have been completed, accepts an operation to delete the moving data file from the displayed list of moving data files, and deletes the moving data file corresponding to the received operation from the storage unit,
The reproducing apparatus according to claim 1 or 2 , characterized in that Reproduction stop determining means for determining whether or not reproduction of the moving data file has been stopped halfway,
When it is determined that the reproduction of the moving data file has been stopped halfway, the reproduction stop determining unit stores the position where the reproduction of the moving data file is stopped as information on the history of the past reproduction in the storage unit. Record,
Reproducing apparatus according to any one of claims 1 to 3, characterized in that. A second determining unit configured to determine whether or not the remaining recording capacity of the storage unit is equal to or less than a predetermined remaining amount when the reproduction end determining unit determines that the reproduction of the moving data file has ended;
The file deleting means deletes the moving data file that has been reproduced from the storage means when the second determining means determines that the remaining recording capacity of the storage means is equal to or less than a predetermined remaining amount. ,
Reproducing apparatus according to any one of claims 1 to 4, characterized in that. The computer,
Storage means in which a plurality of moving data files and information relating to past reproduction histories corresponding to each of the plurality of moving data files are recorded;
First discriminating means for discriminating whether or not the remaining recording capacity of the storage means is equal to or less than a predetermined remaining capacity;
When the first determination unit determines that the remaining recording capacity of the storage unit is equal to or less than the predetermined remaining amount, the reproduction is performed based on the information regarding the past reproduction history recorded in the storage unit. File playback means for playing back a moving data file that was stopped
A reproduction end determination means for determining whether or not the reproduction of the moving data file has ended after the reproduction of the moving data file that has been stopped during the reproduction is started ;
A file deleting unit for deleting the moving data file whose reproduction has been completed from the storage unit when it is determined that the reproduction of the moving data file has been completed by the reproduction end determining unit;
Program characterized and Turkey to function as a.

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