JP2001346167A - Video reproduction controller - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve problems of the conventional video reproduction controller that has caused much time for a user to confirm video contents in the unit of frames because the user requires clicking of many click buttons when jogging to confirm the contents of a reproduced video image by a video reproduction device in the unit of frames is made by a mouse and that has increased the cost when a remote control unit with jog dial is provided. SOLUTION: This invention provides a jogging method at video image reproduction by a video reproduction device to solve the tasks above. Number of revolutions of a scroll button in the operation of a mouse with the scroll button having been used for a pointing device for a computer or the like is acquired, a number of frames to be jumped is calculated on the basis of the number of revolutions, and the video image reproduction device is controlled to jump this number of frames in a forward direction when the scroll button is scrolled from top to bottom or in a backward direction when the scroll button is scrolled from bottom to top so that the consecutive operation of the scroll button of the mouse with the scroll button conducts the jogging.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a controller for performing a jog operation of a video reproducing apparatus.

[0002]

2. Description of the Related Art Prior art 1 will be described with reference to FIG.

FIG. 4 shows a conventional system controller 33.
Mouse 3 as a playback operation device with the control button on the screen of 0
Functional block of a video server system that performs a jog operation (an operation of jumping back and forth by the number of frames N (N is an integer) to reproduce a video) by controlling the video player 311 by clicking a 40-click button. 2 shows a configuration example. FIG. 5 shows a display example of a control button displayed on the screen of the system controller 330 and used to control the image reproduction of the image reproducer. In FIG. 5, 4
Reference numeral 11 denotes a control button for jumping one frame in the backward direction by one click of the click button of the mouse 340. Reference numeral 412 denotes a control button for one frame in the forward direction by one click.
Control button to jump. FIG. 6 shows a functional block diagram for calculating the number of frames to be jumped by this method.

[0004] This conventional system comprises a video recorder 312.
And a video server 310 for recording and reproducing moving images by the video reproducing device 311, a system controller 330 for controlling the video server 310, and a monitor 320 for displaying reproduced video. In addition, a mouse 340 as a reproduction operation device is connected to the system controller 330.

In this conventional example, the control buttons 41 on the screen
The jog operation has been performed by controlling the video reproducer 311 by clicking the 1 or the control button 412 with the mouse 340. One click of the mouse 340 jumps by one frame. However, when performing a jog operation, the mouse 340 must be clicked many times. Therefore, it takes time to perform the operation, and it takes time to check the contents of the video in frame units.

Next, Conventional Technique 2 will be described with reference to FIG. FIG. 7 shows a conventional remote control unit 54 with a jog dial 610 as a playback operation device.
2 shows an example of a functional block configuration of a video server system that controls the video player 511 to perform a jog operation by operating “0”. FIG. 8 shows the jog dial 610.
It is an external appearance top view. FIG. 9 is a function lock diagram for obtaining the number of frames to be jumped in this conventional example.

This conventional system comprises a video server 510 for recording and reproducing moving images, a system controller 530 for controlling the video server 510, and a monitor 520 for displaying reproduced images. The system controller 530 includes a jog dial 61 as a playback operation device.
A remote control unit 540 marked with “0” is connected.

In this conventional example, the jog operation is performed by controlling the video reproducing device 511 by rotating the jog dial 610. When the rotation amount of the jog dial 610 is small, the jump is performed by one frame, and when the rotation amount is large, the jump is performed by the number of frames N.

Although the jog operation can be performed by such an easy operation method, a remote control unit 540 having a jog dial 610 must be prepared, which increases the cost of the system.

[0010]

In the above-mentioned conventional technique, when a jog operation is performed, a large number of clicks must be made by a click operation of a mouse click button, and it takes a lot of time to check the video contents in frame units. Was hanging. In addition, if a remote control unit with a jog dial capable of performing an easy jog operation is prepared, the cost of the system increases.

[0011]

In order to solve the above-mentioned problems, in a method of jogging video reproduction, a user operates a scroll button of a mouse with a scroll button used as a pointing device of a computer or the like. The jog operation is performed by controlling the video player.

The amount of rotation of the scroll button by operating the scroll button of the mouse with the scroll button is obtained, and the number N of frames to jump based on the amount of rotation is obtained.
(N is an integer). The video player is controlled by the number of frames N to jump in the forward direction when scrolling from the top to the bottom of the scroll button, and to jump in the reverse direction when scrolling from the bottom to the top. The jog operation is performed by continuously operating scroll buttons of a mouse with scroll.

[0013]

According to the present invention, by operating the scroll button of a mouse with a scroll button, the reproduced video can be jumped by the number of frames N (N is an integer) corresponding to the rotation amount, and the scroll can be continuously performed. Since the jog operation can be performed by operating the button, the operation of confirming the content of the reproduced video frame by frame can be quickly performed at low cost.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIG.

FIG. 1 shows an example of a functional block configuration of a video server system which operates a scroll button 211 of a mouse 140 with a scroll button as a reproducing operation device to control a video reproducing device 111 to perform a jog operation.

The present system comprises a video server 11 for recording and reproducing moving images with a video recorder 112 and a video player 111.
0, a system controller 130 for controlling the video server 110, and a monitor 120 for displaying reproduced video. Further, a mouse 140 with a scroll button is connected to the system controller 130. FIG. 2 shows an example of an external plan view of the mouse 140 with a scroll button. The mouse 140 has a scroll button 21
There is one.

By operating the scroll button 211 of the mouse 140 with the scroll button, the rotation amount a is obtained from the count of the number of scales of the scroll button per unit time, and the number of frames N (N Is an integer). FIG. 3 is a block diagram for calculating the number N of frames to be jumped in this case. The calculation of the number of frames N is based on the following equation (1).

[0018]

(Equation 1)

The value of the number N of frames to jump is 2 ⁰ = 1 frame, 2
When the scale is rotated, 2 ¹ = 2 frames, and when the scale is rotated, 2 ² = 4 frames. This number of frames N
However, the video player 111 is controlled so as to jump in the forward direction when scrolling from the top to the bottom of the scroll button 211 and to jump in the reverse direction when scrolling from the bottom to the top. Jog operation is performed using the mouse 140 with the scroll button.
The scroll button 211 is operated continuously.

[0020]

According to the present invention, in the playback video jog operation, the amount of rotation is obtained from the count of the number of graduations of the scroll button per unit time by operating the scroll button of the mouse with the scroll button. From continuous calculation and scroll button operation,
The following effects can be obtained by controlling the video player to perform the jog operation.

The jog operation for confirming the contents of the reproduced video in units of frames can be performed by a computer or the like without having to click the mouse click button many times and without preparing an expensive remote control unit with a jog dial. It can be easily done simply by operating the scroll buttons of the inexpensive mouse with scroll buttons used as a pointing device.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is an external plan view of a mouse with a scroll button according to the embodiment of the present invention.

FIG. 3 is a functional block diagram for calculating the number of frames to be jumped in the embodiment of the present invention.

FIG. 4 is a block diagram of a conventional example.

FIG. 5 is a diagram showing a display example of control buttons on a screen in a conventional example.

FIG. 6 is a functional block diagram for calculating the number of frames to be jumped in a conventional example.

FIG. 7 is a block diagram of a conventional example.

FIG. 8 is an external plan view of a jog dial in a conventional example.

FIG. 9 is a functional block diagram for calculating the number of frames to be jumped in a conventional example.

[Explanation of symbols]

110: video server 111: video player 112: video recorder 120: monitor for displaying playback video 130: system controller 140: mouse with scroll button 211: scroll button 310: video server 311: video player 312: video recording Machine 320: monitor for displaying the reproduced video 330: system controller 340: mouse 411: control button used to jump one frame backward, 412: control button used to jump one frame forward, 510 : Video server 511: Video playback device 512: Video recorder 520: Monitor for displaying playback video 530: System controller 540: Remote control unit with jog dial 610: Jog dial

Claims (4)

[Claims] 1. A moving picture is recorded / recorded by a video recorder and a video player.
The video server system comprises a video server for reproducing, a system controller for controlling the video server, a reproducing operation device connected to the system controller, and a monitor for displaying a reproduced video from the video reproducing device. In a video playback control device for displaying a playback video of the video playback device on an operation device, during video playback by the video playback device, the number of frames N (N is an integer) is continuously increased by continuous operation of the playback operation device. When you jump to and play the video (hereinafter,
Video playback control device for a video playback device, wherein the jog operation is controlled by a mouse with a scroll button as the playback operation device. 2. The video playback control device according to claim 1, wherein a rotation amount is obtained from a count of the number of scales of the scroll button per unit time by operating a scroll button of the mouse with the scroll button. A video playback control device for a video playback device, wherein the number of frames to be jumped is calculated based on the number of frames, and the jump is performed for the number of frames. 3. The video playback control device according to claim 2, wherein the direction of the playback frame to jump is a forward direction when scrolling from the top to the bottom of the scroll button of the mouse with the scroll button, and the direction from the bottom to the top. An image playback control device for an image playback device, wherein a jump is made in a reverse direction when scrolling. 4. The video reproduction control device according to claim 3, wherein the jog operation is performed by continuously operating a scroll button of the mouse with the scroll button.