JP4196705B2 - Video processing output device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a video processing output device that applies video effects to a video signal and outputs video signals with various effects, and is particularly suitable for a video mixer device that outputs a video signal obtained by mixing a plurality of video signals. It is a thing.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a video mixer device mixes video signals of a plurality of input systems designated by an operator and outputs them in real time, and is used when, for example, producing a back video or the like at a concert or various events. At that time, selection of an input system, setting of a mixing ratio of video signals of a plurality of input systems, setting of a visual effect (video effect) to be given to a video signal of each input system, and the like are performed. Each of the processing specifications of the image according to these settings, or the image itself processed by this setting is called a “scene”.
[0003]
The setting of these scenes is to set parameters by operating the operation elements. However, it is particularly difficult to set a scene in real time by simultaneously operating a plurality of operation elements, and skill is required for the operation. For this reason, it is considered that a plurality of scenes are set and created in advance, and a desired scene (setting parameter) is read in real time to perform desired signal processing on the image. As such a thing, for example, Japanese Patent Application Laid-Open No. 2002-262179 discloses a video mixer apparatus having a recording / reproducing function of scene data.
[0004]
[Patent Document 1]
JP 2002-262179 A
[0005]
[Problems to be solved by the invention]
However, in the conventional video mixer apparatus, it is necessary to input video signals of a plurality of systems when creating scene data in advance, and preparation is very troublesome even though it is not actual.
[0006]
It is an object of the present invention to provide a video processing output device that does not require input of an actual video signal when creating a scene, and can create a scene with simple preparation.
[0007]
[Means for Solving the Problems]
  In the video processing output device according to the first aspect of the present invention, the processing specification is, for example, a scene, and a plurality of scenes are stored in the processing specification storage means. When the execution instruction is given by the processing execution instructing unit, the video processing unit executes processing according to the scene (processing specification). A pseudo image is provided for each of a plurality of input video signal systems.If the temporary screen display mode is set,Using this pseudo image, the processing according to the processing specificationsThen outputTo do. Therefore, it is possible to create a scene with simple preparation without requiring input of a video signal.
[0008]
According to the video processing output device of claim 2 of the present invention, in addition to the function and effect of claim 1, a plurality of video signals can be processed simultaneously according to, for example, a selected and designated scene, and the processed video signals are mixed. Since it can be output to a video display device or the like, more various video effects (visual effects) can be obtained.
[0009]
  According to the video processing output device of claim 3 of the present invention, in addition to the function and effect of claim 1, the pseudo image has a pattern and / or color that is different for each input system. Easily identifiable.
[0010]
The video signal input from an external device may be processed in real time so that the processed video signal can be output to the outside. Thus, in addition to the function and effect of the first aspect, when a video signal is input from an external device, it is processed in real time according to the selected and designated scene and output to the video display device or the like. The video effect based on the scene can be given to the projected video in real time.
[0011]
The pseudo image may be used as a video signal to be processed for a system in which the input video signal is not input. Thus, in addition to the operational effect of claim 1, for example, when a video effect based on a scene is given in real time to a video displayed on a video display device in rehearsal or the like, even if there is a system without a video signal, I can grasp the feeling.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a diagram illustrating an operation panel in the video processing output apparatus according to the embodiment. The video processing output device of this embodiment is a video mixer device, and includes four video input channels ch1, ch2, ch3, and ch4 that use video signals of one system as processing units. A plurality of video signals are input from an external video device such as a video camera, a video tape recorder, a DVD (Digital Versatile Disk), a personal computer, etc., and an arbitrary video signal is supplied to each of the four video input channels. Can be assigned. The video signal to be input is in an analog composite format, and is input from five terminals of In1, 2, 3, 4 and Ext (external) arranged on a rear panel (not shown).
[0013]
[Outline of functions]
In each video input channel, the video signal can be processed by setting parameters and the like by operating the operation element, and the processed video signal is mixed and used in a video display device such as a television monitor, a projector, or a personal computer. Is output. Note that if Ext input is selected in the video input channel, a still image or the like can be input in addition to the preview of the input video.
[0014]
Also, various parameters for processing the video signal in the video input channel are set, and these setting data (for one channel or a plurality of channels) are associated with the scene memory switch as one scene data (processing specification). Can be remembered. Furthermore, while reading the stored scene data and setting parameters, etc., stream data consisting of a time series set of a plurality of scene data can be created, and this stream data can be stored in correspondence with the stream memory switch. This stream data is used for a visual arpeggiator function for sequentially updating and reproducing the video.
[0015]
  In this embodiment, “confirmation mode” or “non-confirmation mode” can be selected, and the operation is as follows. When the scene memory switch is pressed once when scene data is selected or set, such as when editing scene data, applying video effects to a video signal in real time (when outputting video), or creating stream data, Indicates the processing result status by scene dataDoubtA similar (simple) image (hereinafter referred to as “pseudo image”) is displayed on the display screen. Thereby, it is possible to easily confirm the scene data to be selected. Further, when the same scene memory switch is continuously pressed in this state (pressed twice), an execution instruction is given to give (process) a video effect to the video signal by the scene data.
[0016]
That is, in this embodiment, the second function when the scene memory switch is pressed twice corresponds to the “processing execution instruction unit”. When another scene memory switch is pressed after pressing the scene memory switch once, the scene data corresponding to the other scene memory switch is selected and set. The “non-confirmation mode” is a normal (conventional) operation, and when the scene memory switch is pressed, the corresponding scene data is selected and immediately executed.
[0017]
  In this embodiment, the “test mode” and the “temporary screen display mode” can be arbitrarily selected by display on the display screen and operation of a predetermined operator (such as GUI). When in "Test mode", shows the processing result state according to the scene even if it is not in the "Confirmation mode"DoubtA similar image is displayed on the display screen. That is, scene data can be edited and scene data can be created while viewing the pseudo image on the display screen..When in “Temporary Screen Display Mode”, if there is a channel that does not actually receive a video signal among the video input channels set in the scene (channels that make up the scene), there is no video that is actually output. So instead of the picture abovepseudoThe image is output as an actual video. When not in the “temporary screen display mode”, if there is no video signal in the video input channel set in the scene, the video input channel is cleared in the scene (no video is output).
[0018]
[Operator]
In FIG. 1, each video input channel (ch1 to ch4) includes the same operators 11 to 19, respectively. Reference numeral 11 denotes an input select switch for selecting an input video signal to the video input channel. For each video input channel, one can be arbitrarily selected from five inputs of In1, 2, 3, 4 and Ext. . Reference numeral 12 denotes a channel on switch for setting the use / non-use (on / off) of the channel by one touch, and reference numeral 13 denotes a negative switch for switching between positive display and negative display. Reference numerals 14 to 17 are rotary volumes, 14 is a trim volume for adjusting the gains of the luminance signal (Y signal) and the color difference signals (Cb signal and Cr signal), 15 is a hue volume for adjusting the hue, and 16 is a color gain ( A color gain volume 17 for adjusting (saturation) and an assignable volume 17 to which parameters of a channel common control unit to be described later can be assigned. Reference numeral 18 denotes a crossfader assign switch for selecting whether a video signal of a video input channel is assigned to an A input / B input of a crossfader 46 described later or set to “through”. The selection state by the cross fader assign switch 18 is lit and displayed by the LED 18a. Reference numeral 19 denotes a channel fader (slider) for setting the output level of the video signal of the video input channel.
[0019]
Reference numerals 21 to 26 and 31 to 38 are operators of a channel common control unit for setting various parameters for each video input channel. Reference numeral 21 denotes a rotary encoder that changes parameter values, and includes three parameters, Param1, Param2, and Param3. Reference numeral 22 denotes an initialize button for returning a parameter value corresponding to each rotary encoder 21 to an initial value. Reference numeral 23 denotes a channel select switch for selecting a video input channel (setting target) for setting a parameter value by the rotary encoder 21. Four channel select switches 23 are provided corresponding to each video input channel. When a plurality of video input channels are selected, parameter values can be set simultaneously for the plurality of channels. Reference numeral 24 denotes a jog shuttle for finely adjusting parameter values or interpolating between two scenes with a visual arpeggiator function, and 25 is an assign switch for assigning two scenes to be interpolated with the jog shuttle 24, 26 Is an arpeggio jog switch for selecting whether the interpolation change by the jog shuttle 24 is valid / invalid.
[0020]
Reference numerals 31 to 38 denote parameter switches for selecting the type of parameter to be assigned to the rotary encoder 21. The switch 31 selects a parameter for determining a video display position, the switch 32 selects a parameter for determining the number of screen divisions, and the switch 33 selects a parameter for determining a reverse display mode. The switch 34 selects a parameter for determining the rate of thinning out the video frame, the switch 35 selects a parameter for determining the video display size, and the switch 36 selects a parameter for determining the video distortion mode. The switch 37 selects whether to display the video of the selected channel as a layer (layer display ON / OFF), and the switch 38 is a switch for shifting the plus / minus area of the parameter value.
[0021]
Reference numerals 41 to 47 denote operators for a real-time scene function that gives a video effect in real time when a video signal is output. Reference numeral 41 denotes a scene memory switch corresponding to each storage area for a plurality of scene data, and 42 denotes a store switch for setting a scene data storage (registration) mode. By operating the shift switch 43, the storage area corresponding to the scene memory switch 41 can be switched to another area, and 20 patterns of scene data can be stored in the 10 scene memory switches 41. A preset scene can be called by operating the pattern switch 44.
[0022]
Reference numeral 45 denotes a view switch for switching between the “confirmation mode” and the “non-confirmation mode”. When the “confirmation mode” is selected by the view switch 45, “confirmation” is performed for the operation of the scene memory switch 41 The function of displaying the pseudo image of “mode” becomes effective. 46 is a crossfader, and this crossfader 46 combines two video signals assigned to “A input” and “B input” by the crossfader assign switch 18 of different video input channels, and mixes at that time. Set the ratio (0-1). The operation element 47 is a switch for selecting a crossfade method by the crossfader 46.
[0023]
Reference numeral 51 denotes an arpeggiator mode switch for enabling a visual arpeggiator function for sequentially updating and reproducing the video according to the stream data, and reference numerals 52 to 59 and 61 to 69 are operators related to the visual arpeggiator function. A stream memory switch 52 stores a plurality of stream data (arpeggio patterns) in association with each other. A store switch 53 sets a storage mode of the stream data. Thus, 12 patterns of stream data can be stored in the six stream memory switches 52.
[0024]
55 is a scene memory switch for storing a plurality of scene data in association with each other. 56 is a store switch for setting a scene data storage mode. Similarly to the above, operation of the shift switch 57 allows the 24 scene memory switches 55 to be stored. 48 patterns of scene data can be stored. The preset scene can be called by operating the pattern switch 58. Similarly to the view switch 45, 59 is a view switch for switching between “confirmation mode” and “non-confirmation mode”. When the “confirmation mode” is selected with this view switch 59, the scene memory switch The function of the “confirmation mode” is effective for the operation 55.
[0025]
Reference numeral 61 denotes a tempo tap for setting a tempo as a time base for scene switching timing based on stream data. By hitting the tempo tap 61 following the operation of the trigger switch 62, the tempo is averaged over the last four hits. Is decided. Reference numeral 63 denotes a tempo dial for setting the same tempo. The tempo dial 63 can set a tempo between a slow of 25 quarter notes / minute and a first of 400 quarter notes / minute. The validity / invalidity of the tempo tap 61 and the tempo dial 63 is switched by operating the dial tap switch 64.
[0026]
Reference numeral 65 denotes a change time dial that adjusts the switching start timing when two scenes are switched. The function of the change time dial 65 is enabled by operating the real-time memory switch 66. The tempo beat interval is set to 100%, and the switching time can be set between 0% and 100% by the change time dial 65, and interpolation is performed from the switching time to the next video. At 0%, no interpolation is performed, and at 100%, interpolation is always continued.
[0027]
67 to 69 are switches relating to the drive mode of the stream data, 67 is a playback button, 68 is a stop button, and 69 is a head return button. When the play button 67 is pressed, video output based on the stream data is started. When the play button 67 is pressed again, the current scene is paused. When the play button 67 is pressed again, playback starts from the scene. When the stop button 68 is pressed, the operation stops. When the head return button 69 is pressed, the scene returns to the head of the stream data. Reference numeral 71 denotes a master fader that adjusts the output level of the mixed video signal. Reference numeral 72 denotes a system control unit that performs operations such as deletion of scene data and cancellation of settings, and reference numeral 73 denotes a photo load unit that sets a photo (still image) load and output form. The switches 12, 13, 22, 23, 25, 26, 31 to 38, 41 to 45, 47, 51 to 59, 62, 64, 66 to 69, etc. are switches with built-in LEDs, and the LED is turned on / off. Can identify ON / OFF.
[0028]
Here, above the input select switch 11 on the panel surface, corresponding to each video input channel (ch1 to ch4), channel identification patterns P1, P2, P3 of striped patterns of vertical lines, horizontal lines, diagonal lines, and reverse diagonal lines. Each P4 is printed. A display screen 10 such as a liquid crystal panel is disposed above the rotary encoder 21. On this display screen 10, an overview of the scene currently set by the parameter operation of each operator and the scene currently selected by the scene memory switches 41 and 55 (processing result state by scene data) is displayed on the channel identification. It is displayed as a pseudo image having the same pattern as the patterns P1, P2, P3 and P4. The display screen 10 also displays the device setting status.
[0029]
The display example on the display screen 10 illustrated in FIG. 1 is a display in the “test mode”, and is a display example of a pseudo image according to the settings of the various operators 12 to 19, 21 to 23, and 31 to 38. is there. This is irrelevant to the setting state of the input select switch 11, and an outline of the scene is displayed regardless of whether or not an external video signal is input. In this example, pseudo images corresponding to “A input”, “through”, and “B input” are displayed from the left side of the display screen 10, and the video input channels ch 1, ch 2, ch 3 are displayed by the crossfader assign switch 18. It is displayed that ch4 is set to “A input”, “through”, “B input”, and “A input”, respectively.
[0030]
Further, the pseudo image is displayed according to the display position and display size of the video set by the operation of the rotary encoder 21 or the assignable volume 17, and the pseudo image (vertical line) of the video channel ch1 of “A input”. The pseudo image (shaded line) of the video channel ch3 of “B input” is displayed to indicate that the display size is small. In addition, the pseudo image of the video input channel ch1 whose layer display is turned on in “A input” overlaps the pseudo image (reverse oblique line) of the video input channel ch4, and the mixing result of the video input channels ch1 and ch4 is It is displayed. As described above, in accordance with the first aspect, the pseudo image provided for each of the systems is used.
[0031]
FIG. 2 is a signal path diagram and a block diagram of a main part of the video processing output device of the embodiment. In addition, the signal path | route has shown the function by said various operation element operation as an equivalent electric circuit, and the Ext system | strain is abbreviate | omitted. The CPU 1 performs overall control using the working area of the RAM 3 using system programs and various setting data stored in the ROM 2. The storage unit 4 stores a control program and scene data. The various setting operation group 5 includes various operation elements on the panel surface such as a power switch, a dial, a fader, and a button switch, and the scene designation operation group 6 includes the plurality of scene memory switches 41 and 55 for designating a scene. . The operation states and operation events of these various setting operator groups 5 and scene designation operator groups 6 are taken into the CPU 1 via an interface (not shown) and the bus 7, and the CPU 1 changes the signal path according to the operation states and operation events. Control each part. The CPU 1 controls display on the display screen 10 provided on the operation panel.
[0032]
In each video input channel, the switch unit 20 is switched and set by the input select switch 11, and the image quality control unit 30 is input in accordance with operations of the negative switch 13, the trim volume 14, the hue volume 15, the color gain volume 16, and the like. Adjust the video signal quality. The image position control unit 30 adjusts the image position, display size, distortion, and the like according to the operation of the rotary encoder 21 or the assignable volume 17, and the volume 50 sets the output level of the video signal by the operation of the channel fader 19. . The on / off switch 60 switches the output / non-output of the video signal by operating the channel on switch 12, and the switch unit 70 converts the video signal to “A input”, “B input”, Selectively output to “through”. The dual volume 80 outputs an “A input” video signal and a “B input” video signal at a level corresponding to the set mixing ratio in accordance with the operation of the crossfader 46. These output signals are mixed and output to the image output channel OUT. The “through” video signal is output to the image output channel OUT as it is.
[0033]
7 to 9 are flowcharts of the main part of a control program executed by the CPU 1, FIG. 7 is a main process, FIG. 8 is a video control process, and FIG. 9 is a flowchart of a scene control process. In the main process of FIG. 7, the initialization process is performed in step S1 and steps S2 to S5 are repeated, whereby the process according to the operation of each operator and the video data processing control are performed. If there is an operation corresponding to the video control, the video control process of FIG. 8 is performed in step S6, and if there is an operation corresponding to the scene control, the scene control process of FIG. 9 is performed in step S7.
[0034]
In the video control processing of FIG. 8, the operation content is determined in steps S11 to S16, and processing relating to video control is performed in steps S18 to 23 corresponding to each operation. In step S17, processing corresponding to each operation content for performing processing corresponding to other operations is performed. In the scene control process of FIG. 9, according to the confirmation mode / non-confirmation mode, the test mode, and the temporary screen display mode, the scene data read setting, the pseudo image display / non-display on the display screen 10, or the video signal setting is performed. I do.
[0035]
The flow of steps S31 → S32 → S33 is when the scene memory switch is not pressed twice in the confirmation mode, that is, when different scene memory switches are operated one by one sequentially or alternately. A pseudo image is displayed on the display screen 10. The flow of steps S31 → S32 → S34 → S35 shows that the scene memory switch is pressed twice in the confirmation mode, that is, the same scene memory switch is pressed for the first time when the pseudo image is operated in steps S31 → S32 → S33. This is the case. Thereby, the scene data is set for video processing in step S35. Note that the flow of steps S34 → S33 is in the test mode, and in either the confirmation mode / non-confirmation mode, scene data is not set and only the pseudo image is displayed.
[0036]
Steps S36 to S39 are a flow relating to the setting of the video signal to be processed by the set scene, and if the video signal is input to all the video input channels set in the scene, the process returns as it is. If there is a channel to which no video signal is input, a pseudo image of that channel is generated as a video signal to be processed in the temporary screen display mode, and a clear video is generated if it is not in the temporary screen display mode.
[0037]
3 and 4 are diagrams showing an example of processing using scene data of video output to a screen or the like (display unit) of an external video output device, and a display example of a pseudo image on the display screen 10 corresponding thereto. Scene 1 in FIG. 3 is an example in which the screen is divided into four to display the video of each video input channel. As shown in FIG. 3A, ch1 is in the upper left, ch2 is in the upper right, ch3 is in the lower left, and ch4 is in the lower right. It is displayed. The processing result state is displayed on the display screen 10 by a pseudo image (vertical line, horizontal line, diagonal line, reverse diagonal line) of each video input channel as shown in FIG. Scene 2 in FIG. 4 is an example in which ch1 and ch4 are erased, and ch3 is displayed in the left center as shown in FIG. 4 (A), and ch2 is stretched vertically and partially overlaps ch3. Is displayed. This processing state is displayed on the display screen 10 by using the ch2 (horizontal line) and ch3 (diagonal line) pseudo images as shown in FIG. 4B, and the ch2 pseudo image (horizontal line) is stretched vertically to create the ch3 pseudo image ( (Slant lines) are displayed partially overlapping. Note that when the video is deformed like the ch2 pseudo image, the interval between the horizontal lines of the pseudo image is extended. In the case of a vertical line, the interval between lines changes, and in the case of diagonal lines and reverse diagonal lines, the angle changes. This also makes it possible to confirm that the video has been transformed.
[0038]
  FIG. 5 shows an example of video output when there is a channel to which no video signal is input among the video input channels set in the scene. The scene 2 is composed of ch2 and ch3 as shown in FIG. 4, but it is assumed that no video signal is input to ch2. When not in the “temporary screen display mode”, the image corresponding to ch2 is cleared as shown in FIG. 5A, and when in the “temporary screen display mode”, it corresponds to ch2 as shown in FIG. 5B. As a video, ch2DoubtA similar image (horizontal line) is output as a video.
[0039]
In the example of the pseudo image in FIG. 4B, the horizontal line is also displayed so as to overlap the diagonal line in the pseudo image in response to the ch2 video overlapping the ch3 video. . In the case of such overlap, for example, the display may be as shown in FIG. FIG. 6 (A) displays both pseudo images as they are, and it is easy to check how much they overlap. In FIG. 6B, the lower pseudo image in the overlapping portion of the video is displayed with a broken line or the like. Thereby, it can be easily confirmed which is further up or down.
[0040]
In the above embodiment, the “confirmation mode” and the “non-confirmation mode” can be selected by the view switch 45 or 59, but it goes without saying that the apparatus may be exclusively used in the confirmation mode. In the embodiment, the processing execution instruction unit is configured by pressing the scene memory switch twice. However, the execution support unit may be a switch (operator or the like) different from the scene memory switch.
[0041]
In the embodiment, since the channel identification patterns P1, P2, P3, and P4 are printed corresponding to the video input channels, it is easy to grasp the correspondence between the pseudo image and the channel. The channel identification patterns P1, P2, P3, and P4 may not be printed.
[0042]
In addition, the pseudo image and channel identification patterns P1, P2, P3, and P4 patterns (designs) are not limited to those in the embodiment, and it is only necessary to identify each channel. In addition, the pseudo image may be identified for each channel by color or the like without being limited to the design. In the embodiment, the case where there are four video input channels has been described. However, the number of channels may be more or less.
[0043]
【The invention's effect】
According to the video processing output apparatus of the first aspect, it is possible to create a scene with a simple preparation without requiring input of a video signal.
[0044]
According to the video processing output device of claim 2, in addition to the effect of claim 1, a plurality of processed video signals can be mixed and output to a video display device or the like. Effect).
[0045]
According to the video processing output device of claim 3, in addition to the effect of claim 1, the input system (channel or the like) can be easily identified.
[Brief description of the drawings]
FIG. 1 is a diagram showing an operation panel in a video processing output apparatus according to an embodiment of the present invention.
FIG. 2 is a signal path diagram and a block diagram of main parts of the video processing output device.
FIG. 3 is a diagram illustrating a first display example of video output and a pseudo image in the embodiment.
FIG. 4 is a diagram illustrating a second display example of a video output and a pseudo image in the embodiment.
FIG. 5 is an example of video output when a video input channel in the embodiment includes a channel to which no video signal is input.
FIG. 6 is a diagram illustrating another example of a display mode of a pseudo image in the embodiment.
FIG. 7 is a flowchart of main processing in the embodiment.
FIG. 8 is a flowchart of video control processing in the embodiment.
FIG. 9 is a flowchart of a scene control process in the embodiment.
[Explanation of symbols]
41, 55 ... Scene memory switch, 10 ... Display screen, P1, P2, P3, P4 ... Channel identification pattern

Claims (3)

In a video processing output device that inputs a video signal, performs various processing on the video signal, and outputs the processed video signal.
Signal input means for inputting video signals of a plurality of systems;
Processing specification storage means for storing processing specifications for video signals;
Processing execution instruction means for selecting and specifying the processing specifications and instructing execution of processing according to the processing specifications;
A video processing unit that processes and outputs an input video signal of a corresponding system with a processing specification instructed by the processing execution instruction unit;
Means for selecting setting / non-setting of the temporary screen display mode,
When the temporary screen display mode is not set, when the video processing unit processes and outputs a plurality of video signals input by the signal input means, while the temporary screen display mode is set Is a preset processing corresponding to each system, instead of a plurality of systems of video signals input by the signal input means , processed by the video processing unit and output An image processing output device characterized by the above.   2. The video processing output apparatus according to claim 1, wherein the processing specifications are for processing a plurality of video signals at the same time, and mixing and outputting the plurality of video signals.   2. The video processing output apparatus according to claim 1, wherein the pseudo image has a pattern and / or a color that is different for each input system.

Images