JPH0799606A - Video switcher device - Google Patents

Abstract

PURPOSE:To change set contents more easily by easily and finely setting validity/invalidity of each switch. CONSTITUTION:Setting of validity/invalidity of the function of each of input selecting switches SW1 to SWn of a bus part switch 1 is stored in a memory 3. Setting of validity/invalidity is stored in the memory 3 by simultaneous depression of the bus part switch 1 and an INHI switch 2. In this system, validity/ invalidityness is set for each of input selecting switches SW1 to SWn of the bus part switch 1, and further, set contents are easily changed. No operations are performed at all at the time of operating the switch which is set to invalidity in the memory 3, thus preventing the erroneous operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video switcher device having an editing function of selecting an arbitrary image from a plurality of VTRs and cameras connected in parallel and adding various special effects to the image. .

[0002]

2. Description of the Related Art A video switcher device has a function of selecting an arbitrary image from a plurality of VTRs and cameras connected in parallel, switching (connecting) it, and sending it to a recorder. Currently, along with the digitization of VTRs, the digitization of video switcher devices is progressing.

For editing including special effects, a video switcher device, DME (digital motion effect), DVE (digital video effect)
It is unthinkable without the combination of. Then, by digitizing the video switcher device, it has not only video switching but also DME and DVE functions, and for example, various kinds of special effects such as dissolve, wipe, fade-in / fade-out, etc. are added to the video. Some have functions.

The above-mentioned video switcher device has an operation panel provided with switches for selecting various digital effects, a fader lever for switching images, and the like. For example, when performing an operation such as wiping to display another image so as to remove the currently displayed image, the degree of progress of image switching is usually controlled by operating the fader lever. That is, the image is switched according to the operation amount and the operation speed of the fader lever.

[0005]

By the way, in the above-mentioned conventional video switcher apparatus, the bus section switch is provided in order to select a plurality of inputs (video signals). The bus section switch has many input selection switches due to its nature, and there is a risk of erroneous operation. Therefore, in the conventional video switcher device, in order to prevent an erroneous operation of switches, an unused cover is covered with an acrylic cover to forcibly disable the operation.

This method is effective for prohibiting the operation of several switches collectively, but there is a problem in that it is not possible to set enable / disable for each switch. In addition, in order to change it, it is necessary to remake the cover, which lacks flexibility in setting, and there is a problem that it cannot be changed easily.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a video switcher device in which the validity / invalidity of a switch can be easily and finely set for each switch and the setting can be easily changed.

[0008]

In order to achieve the above object, a video switcher device according to the invention as defined in claim 1 is provided with a plurality of switches and whether the function is enabled or disabled for each of the plurality of switches. When any one of the plurality of switches is operated and the storage means in which the switch is operated, the control means for determining whether to execute or not execute the function of the operated switch according to the setting content stored in the storage means. And is provided.

A video switcher device according to a second aspect of the present invention includes a function changeover switch for changing over the functions of the plurality of switches, and the control means simultaneously operates any one of the plurality of switches and the function changeover switch. Then, the setting content stored in the storage means corresponding to the operated switch is changed to invalid when valid and valid when invalid.

[0010]

According to the present invention, whether the function is enabled or disabled is set in the storage means for each of a plurality of switches, and when any one of the plurality of switches is operated, the control means causes the storage means to store Only if the settings stored in the means are valid,
Performs the function of the operated switch. Therefore, the validity / invalidity of the switch can be easily set, and moreover, the validity / invalidity can be finely set for each switch to prevent an erroneous operation.

When any one of the plurality of switches and the function changeover switch are simultaneously operated, the setting contents stored in the storage means corresponding to the operated switch are
If it is valid, change it to invalid, and if it is invalid, change it to valid. Therefore, the effective / ineffective setting can be easily changed by pressing the switch simultaneously.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of the video switcher of the present invention. In the figure, the bus unit switch 1 is constituted of a plurality of input selection switches SW ₁ to SW _n, by operating the input selection switch SW ₁ to SW _n, assigned to the input selection switch SW ₁ to SW _n The input signal (video signal) is captured and supplied to the control device 4.

Further, the INHI switch 2 switches the switch function of each of the input selection switches SW _{1 to} SW _n in the bus section switch 1 from the input selection function to the INHI function. The control device 4 is composed of an arithmetic device such as a CPU, and determines whether the function is “valid” or “invalid” for each of the input selection switches SW _{1 to} SW _{n of} the bus section switch 1. The memory 3 for storing is provided. The control device 4 detects the operation of the bus section switch 1 and the INHI switch 2 and sets the valid / invalid according to the detection result, and the control signal CS1 supplied for the operation of the video switcher device. Works according to.

Further, when any _{one of} the input selection switches SW _{1 to} SW _n of the bus switch 1 is pressed, the control device 4 is stored in the memory 3 in correspondence with the pressed input selection switch. The control signal CS2 is output to the input selection circuit 5 according to the set contents (valid / invalid). That is, when any of the input selection switches SW _{1 to} SW _n of the bus switch 1 is pressed, the setting content of the memory 3 corresponding to the input selection switch is “valid”.
Then, the control signal CS2 is output to the input selection circuit 5.
On the other hand, when any one of the bus section switches 1 is pressed and the setting content of the memory 3 corresponding to the input selection switch is "invalid", the control signal is sent to the input selection circuit 5. It does not output CS2 and does not affect the operation at all. This means that erroneous operation was prevented.

The operation of the above configuration will be described with reference to FIGS. 2 and 3 are flowcharts for explaining the operation of the video switcher device according to this embodiment. First, a method of setting valid / invalid for the memory 3 will be described with reference to FIG. First, in step SA1, it is determined whether or not the INHI switch 2 has been pressed.

If the INHI switch 2 is not pressed, the result of the determination in step SA1 is "NO", and step SA1 is repeatedly executed until the INHI switch 2 is pressed. Then, when the INHI switch 2 is pressed, the determination result in step SA1 is "YES", and the process proceeds to step SA2.

[0018] At step SA2, of the bus section switch 1 determines whether one of the input selection switches SW ₁ to SW _n is pressed. Then, when none of the input selection switches is pressed, the determination result in step SA2 is "NO", and the process returns to step SA1.

On the other hand, when any of the input selection switches SW _{1 to} SW _n of the bus switch 1 is pressed, the result of the determination in step SA2 is "YES", and the process proceeds to step SA3. In step SA3, the following processing is performed according to the setting contents of the memory 3 corresponding to the pressed input selection switch SW _i (i = 1 to n). That is, if the setting content corresponding to the pressed input selection switch SW _i is “valid”, “invalid” is set in the memory.

On the other hand, the pressed input selection switch SW _i
If the setting content corresponding to is “invalid”, set “valid”. Then, when the process of step SA3 ends, the setting process ends.

As described above, for setting valid / invalid of each of the input selection switches SW _{1 to} SW _n in the bus section switch 1, first, the INHI switch 2 is pressed to change the function of the bus section switch 1 from the input selection function. Switch to INHI function. Next, if any of the input selection switches SW _{1 to} SW _n is pressed while the INHI switch 2 is being pressed,
As for the setting content of the memory corresponding to the input selection switch SW _i , the state opposite to the setting content stored so far is stored.

That is, if the setting content is "valid", it is "invalid", and if it is "invalid", it is "valid". Therefore, "invalid" is stored in the memory 3, and when it is returned to "valid", the input selection switch corresponding to the above-mentioned setting contents of the bus switch 1 can be pressed again while pressing the INHI switch 2. . The control device 4 also processes these operations, turning on / off each input selection switch, and other control signals of the switcher.

Next, the case where one of the input selection switches SW _i is operated after setting valid / invalid for each of the input selection switches SW _{1 to} SW _n of the bus section switch 1 by the above-mentioned setting processing This will be described with reference to FIG. First, in step SB1, the bus section switch 1
It is determined whether or not any of the input selection switches SW _{1 to} SW _n in FIG.

If none of the input selection switches has been pressed, the result of the determination in step SB1 is "N".
O "and, until the input selection switch SW ₁ to SW _n is pressed, repeatedly executes step SB1. And
If any of the input selection switches SW ₁ to SW _n is depressed, the determination in Step SB1 is "YES", the flow proceeds to step SB2.

At step SB2, the pressed input selection
Switch SW_iThe setting content of the memory corresponding to is "valid"
Or not. And the setting contents of the memory 3
Is “valid”, the judgment in step SB2
The disconnection result is "YES", and the process proceeds to step SB3. Su
In step SB3, the pressed input selection switch SW i
Select the input (video signal) that was assigned to
Then, the control signal CS2 is output to the input selection circuit 5.

On the other hand, the pressed input selection switch SW _i
If the setting content of the memory 3 corresponding to is "invalid", the determination result in step SB2 is "NO", and the process returns to step SB1. That is, in this case, the control signal CS2 is not output to the input selection circuit 5, and the operation is not affected at all. Therefore, erroneous operation is prevented.

As described above, in the present embodiment, the memory 3 for storing whether the function is “valid” or “invalid” for each of the input selection switches SW _{1 to} SW _n of the bus section switch 1.
With respect to the input selection switch set to "invalid" in the memory 3, even if the input selection switch is operated, it does not operate at all to prevent erroneous operation. The valid / invalid setting is
By simultaneously pressing the bus section switch 1 and the INHI switch 2 of the switcher device, they are stored in the memory 3.
In this system, the input selection switch S of the bus section switch 1 is
Valid / invalid can be set for each of W _{1 to} SW _n , and the setting contents can be easily changed. In the present invention, the memory is made to correspond to each bus section switch, but it is also possible to make the memory correspond to one vertical row of the bus section switches, that is, each input.

[0028]

According to the present invention, for each of a plurality of switches,
Whether to enable or disable the function can be set easily and finely. Further, since the function of the operated switch is executed only when the setting contents are valid, it is possible to prevent erroneous operation. Further, by simultaneously pressing a plurality of switches and a function changeover switch for switching the functions of the plurality of switches, it is possible to easily change the setting of valid / invalid of each of the plurality of switches, and operate the switch in which invalid is stored. Even if it is done, the function does not work, and erroneous operation can be prevented.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a video switcher device according to the present invention.

FIG. 2 is a flowchart for explaining the operation of the video switcher device according to the same embodiment.

FIG. 3 is a flowchart for explaining the operation of the video switcher device according to the same embodiment.

[Explanation of symbols]

1 bus section switch 2 INHI switch (function changeover switch) 3 memory (storage means) 4 control device (control means) 5 input selection circuit SW _{1 to} SW _n input selection switch (plural switches)

Claims (2)

[Claims] 1. A plurality of switches, storage means for setting whether to enable or disable the function for each of the plurality of switches, and when any of the plurality of switches is operated, A video switcher device comprising: a control unit that executes the function of the operated switch only when the setting content stored in the storage unit is valid. 2. A function changeover switch for changing over the functions of the plurality of switches, wherein the control means corresponds to the operated switch when any one of the plurality of switches and the function changeover switch are simultaneously operated. 2. The video switcher device according to claim 1, wherein the setting contents stored in the storage means are changed to invalid when valid and valid when invalid.