JP2012060575A - Video processing device and control method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a comfortable viewing environment by playing video without requiring a complicated operation by a user in changing a field angle.SOLUTION: A video processing device comprises a field angle control unit 105 and a video output control unit 109 for controlling a playback time in conjunction with the angle control unit 105 and outputting video data. Video data of a decoding unit 104 is stored in a video data storage unit 114 via a video storage processing unit 115. The video data stored in the video data storage unit 114 is read out and transmitted to the video output control unit 109 via the decoding unit 104. When receiving an instruction for changing the field angle of the video from the field angle control unit 105, the video output control unit 109 changes a playback start time of the video data stored in the video data storage unit 114 to a past time before a time of changing the field angle. The video data in the video data storage unit 114 is played from the changed playback start time at the field angle instructed by the field angle control unit 105 and output to a monitor 113.

Description

  The present invention relates to a video processing apparatus having a video angle-of-view changing function and a control method thereof.

In digital broadcasting, high-definition (hereinafter also referred to as HD) video with 1920 × 1080 pixels is common. In advanced satellite digital broadcasting, methods for sending higher resolution video and 22.2ch multi-channel audio are being studied. For example, the video size of digital cinema is 4k x 2k pixels, and the video size of Super Hi-Vision (hereinafter also referred to as SHV) is 8k.
x 4k pixels. It has also been studied to perform display in accordance with the capability and function of the receiving device in a higher-resolution video broadcasting system than before. For example, there may be a need to view SHV broadcasts with HD receivers that are already in widespread use.

The viewing mode in this case includes a mode in which the entire original video is reduced and viewed (hereinafter referred to as down-conversion viewing) and a video in which a part of the original video is cut out and displayed on the receiving device side. The form (hereinafter referred to as trimming viewing) is mentioned.
In down-conversion viewing, the user can view the entire video, but since the display is reduced in resolution due to the reduction, there is no sense of detail and a powerful video effect cannot be enjoyed. On the other hand, in trimming viewing, the resolution remains the same as the original video, so the fineness is not impaired, but since the video other than the cut-out area is not displayed, the user cannot grasp the entire video. Which form should be selected depends on the user's preference, content type, scene content being viewed, and the like.

  A technique for enlarging a designated area by specifying a position and a size at which a user cuts out an image from an original video on the receiving device side during trimming viewing is known (see Patent Document 1). It is also assumed that the cutout position and size are designated from the broadcasting station. It is possible to embed program additional information as metadata, embed it as various tables in PSI / SI data, and send it from a broadcasting station in accordance with digital broadcasting standards. It is conceivable that angle-of-view information specified by a broadcasting station, such as an image cut-out position and size, is embedded and transmitted as table information, and the information is extracted by a receiving device. If the program additional information transmission method using metadata is used, the angle of view information can be transmitted from the broadcast station to the receiving device.

JP 2008-5428 A

As described above, since down-conversion viewing and trimming viewing have merits and demerits, it is assumed that the user arbitrarily selects these viewing modes while viewing the same content, and views while appropriately changing the angle of view. . In this case, the video being viewed changes from moment to moment, and the angle of view of the video that the user wants to view changes accordingly. Therefore, the user performs an angle-of-view changing operation according to the video during viewing. However, if the operation for switching to the angle of view intended by the user or the operation of the receiving apparatus cannot be followed, a scene at a desired angle of view is missed. There is a possibility that. In order to prevent oversight, it is necessary for the user to resume reproduction by setting a desired reproduction start time by pausing or rewinding. However, the operation becomes complicated if the user views while specifying the playback time each time the scene and the angle of view are switched. That is, there is a problem that the viewing environment is impaired when the angle of view switching and the operation of the reproduction time are complicated.
Accordingly, an object of the present invention is to provide a comfortable viewing environment by reproducing a video without requiring a complicated operation by the user when changing the angle of view.

In order to solve the above-described problem, an apparatus according to the present invention is a video processing apparatus that changes and outputs an angle of view of an input video, and includes an operation instruction unit that is used for a video angle-of-view change operation, and the angle-of-view change An angle of view control means for controlling the angle of view of the output video according to the operation, a storage means for saving the video data,
Video output control means for outputting the video data stored in the storage means is provided. When receiving an instruction to change the angle of view from the angle of view control unit, the video output control unit changes the reproduction start time of the video data stored in the storage unit to a time earlier than the time of angle of view change, The video data of the storage means reproduced from the reproduction start time at the angle of view designated by the angle of view control means is output.

  ADVANTAGE OF THE INVENTION According to this invention, the comfortable viewing environment can be provided by reproducing | regenerating an image | video, without a user requiring complicated operation in the case of a view angle change.

It is a block diagram which shows the structural example of the digital broadcast receiver which concerns on this invention. It is a figure which shows the example of a video at the time of trimming viewing, to the example of a video at the time of trimming viewing, to the example of a video at the time of downconversion viewing to SHA video example. It is a figure which illustrates the video transition at the time of down-conversion viewing in (A), and illustrates the video transition at the time of trimming viewing in (B). It is a conceptual diagram which shows the example of a view angle change and a video transition which concerns on 1st Embodiment of this invention. It is a flowchart explaining the example of reproduction | regeneration control linked with the view angle change which concerns on 1st Embodiment of this invention. It is a conceptual diagram which shows the example of a view angle change and a video transition which concerns on 2nd Embodiment of this invention. It is a flowchart explaining the example of reproduction | regeneration control linked with the angle-of-view change which concerns on 2nd Embodiment of this invention. It is a conceptual diagram which shows the example of a view angle change and a video transition which concerns on 3rd Embodiment of this invention. It is a flowchart explaining the example of reproduction | regeneration control linked with the view angle change which concerns on 3rd Embodiment of this invention.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a block diagram showing a configuration of a digital broadcast receiving apparatus as an application example of a video processing apparatus according to an embodiment of the present invention. The digital broadcast receiving device has a function of changing the angle of view of the input video, and displays the video at the angle of view according to the user's angle of view change instruction.

  The digital broadcast signal is input to the antenna 101, and the video signal and audio signal processed in the apparatus are output to the monitor 113 and the speaker 119, respectively. The user views the digital broadcast content using the display video of the monitor 113 and the output sound of the speaker 119. The monitor 113 shown in this example has an HD resolution video display capability.

  The receiving unit 102 performs digital broadcast wave tuning, demodulation, and error correction processing to obtain MPEG2-TS data. The official name of the MPEG2 standard is “Generic coding of moving pictures and associated audio information”, and TS is an abbreviation for “Transport Stream”. The MPEG2-TS data is multiplexed, and the signal separation unit 103 separates the video and audio data from the metadata according to the packet ID of the program that the user has selected. The video and audio data are sent to the decoding unit 104, where descrambling and MPEG2 or H.264 data are transmitted. The H.264 compressed data is decoded into viewable video and audio data. H. H.264 is one of the standards for the compression encoding method of moving image data recommended by the International Telecommunications Union in May 2003.

  The video data output from the decoding unit 104 is sent to the video display control unit 112 through the viewing video data bus 124 and then displayed on the monitor 113. The metadata separated by the signal separation unit 103 includes program information such as an electronic program guide and coordinate information (hereinafter referred to as trimming information) of the cutout position with respect to the original video. The trimming information extracted by the signal separation unit 103 is held by the angle-of-view information holding unit 106 and is used when the angle of view is selected or determined.

  The angle-of-view control unit 105 determines an SHV broadcast display method and an output angle of view in accordance with a user operation instruction. The output angle of view is the angle of view of the output video, and means the video output range after processing the original video. A user operation instruction is transmitted from a remote controller (hereinafter referred to as a remote controller) 121 to the remote controller and key input unit 117, and is transmitted to the system control unit 118 via the input control unit 116. The user performs a view angle changing operation, a view angle specifying operation, and the like using the remote controller 121. The system control unit 118 sends view angle control information corresponding to the content of the user operation instruction to the view angle selection unit 107 via the control bus 120. The angle-of-view selection unit 107 determines whether to perform down-conversion viewing or trimming viewing. When trimming viewing is selected, the trimming information held in the view angle information holding unit 106 is used. When down-conversion viewing is selected, a reduction rate for reducing the SHV image according to the screen size of the receiving device is used. The angle-of-view control information is sent from the angle-of-view selection unit 107 to the angle-of-view determination unit 108, which determines the output angle of view.

  The system control unit 118 is configured using a CPU (Central Processing Unit), a nonvolatile memory storing a control program, and a volatile memory such as a RAM (Random Access Memory). The system control unit 118 executes various processes according to control performed mainly by software by executing a control program. The control bus 120 is a bus that is used for transmission and reception of various data and commands, and realizes linkage and control of various functions. Each processing unit and control unit are connected to each other via a control bus 120 and controlled by the system control unit 118.

  The video storage processing unit 115 performs data processing during recording and video temporary storage processing during time shift reproduction. The video data is stored in the video data storage unit 114 from the decoding unit 104 through the recorded video data bus 122 and the video storage processing unit 115. The video storage processing unit 115 is also responsible for playback control of the recorded data, reads video data from the video data storage unit 114 during time shift playback, and sends the video data to the decoding unit 104 via the playback video data bus 123.

  The video output control unit 109 performs time control during video playback and output angle of view control based on trimming information. The playback start time determination unit 110 determines the playback start time according to the view angle switching information from the view angle selection unit 107. The determined reproduction start time information is sent to the reproduction time control unit 111, and the control unit performs content reproduction control. The reproduction control information of the reproduction time control unit 111 is sent to the video storage processing unit 115 via the control bus 120. The video storage processing unit 115 designates the video data to be played back in the video data storage unit 114, the playback start time, and the like to the video data storage unit 114 according to the playback control information. The video data storage unit 114 outputs video data at a designated time. This video data is sent to the decoding unit 104 through the reproduction video data bus 123 and further sent to the video display control unit 112. The video display control unit 112 receives the angle of view information determined by the angle of view determination unit 108 and performs display angle control of the video data. Specifically, the video display control unit 112 performs a down-conversion process and a cut-out process on the input video data from the viewing video data bus 124 to generate a video signal and output it to the monitor 113.

  Next, video processing according to the present embodiment will be described using the video content example shown in FIG. FIG. 2A illustrates an SHV video 201 and a video (HD cut-out video) 202 cut out of a part thereof. The size of the SHV video 201 is 7680 × 4320 pixels, and it is assumed that a 1920 × 1080 pixel HD video that is a part of the SHV video 201 is cut out and displayed. The cropping process requires trimming information such as coordinates and size on the SHV video. A video portion designated by this trimming information is indicated by a dashed frame as an HD cut-out video 202. The trimming information includes start coordinate information (X1, Y1) and end coordinate information (X2, Y2) of the cutout position.

  In the case of a broadcast form in which a broadcasting station sends trimming information and is acquired by a receiving device, the trimming information can be sent as metadata. Additional information such as metadata is embedded as various table information in PSI / SI (Program Specific Information / Service Information) data. An extended event descriptor can be inserted into an EIT (Event Information Table) that sends information about the program such as the program name, broadcast time, and program description. This extended format event descriptor has a structure in which various data can be set as a table, and the broadcasting station embeds trimming information here and transmits it as a broadcast wave. When a broadcast station sends out content, metadata including trimming information is multiplexed with the EIT and sent out. The receiving device receives the multiplexed metadata and extracts trimming information from the EIT extended format event descriptor. Using the extracted trimming information, the HD cut-out video 202 shown in FIG. 2A is determined.

  FIG. 2B is an example of a monitor screen 301 in which the SHV video 201 of FIG. 2A is reduced and displayed on the HD receiver during down-conversion viewing. The display range is the same as that of the SHV video 201 in FIG. 2A, but the screen is displayed in a reduced size than the SHV video 201, and in this example, the resolution is about 1/4 of the original video. FIG. 2C shows an example of a monitor screen 401 in which the HD cut-out video 202 shown in FIG. The resolution is the same as the SHV video 201 which is the original video, but the display range follows the trimming information specified by the broadcast station.

  The video shown in FIGS. 2B and 2C is a moving image, and the state is shown in FIGS. 3A and 3B as a conceptual diagram. FIG. 3A shows a video change at the time of down-conversion viewing. The direction of the time axis is rightward, and images 501 to 504 every 10 seconds are illustrated. An example is an image 502 after 10 seconds, an image 503 after 20 seconds, and an image 504 after 30 seconds, based on the time of the image 501 shown at the left end. FIG. 3B shows a video change during trimming viewing of the same content as FIG. As in FIG. 3A, the change in the image every 10 seconds is illustrated from the left in the images 601 to 604. Times 0 to 30 seconds shown on the time axis represent the time in the content and correspond to the time in FIG. In FIG. 3A, the user can grasp the entire video, but the video does not have a fine feeling. In FIG. 3B, the resolution is the same as that of the original video, but the user cannot grasp the entire video. Therefore, the user performs an angle-of-view designation operation in order to switch the viewing mode shown in FIGS. 3 (A) and 3 (B).

  FIG. 4 is a conceptual diagram showing changes in video playback time and angle of view. The upper part shows the transition of the display scene, the middle part shows the time in the content, and the lower part shows the viewing time. The direction of the time axis is rightward, and an example is shown in which the user performs an angle-of-view switching operation at time 20 seconds. First, the user views the images 501 to 503 by down-conversion viewing. Then, in order to switch to trimming viewing, the user performs a view angle switching operation. When the receiving device detects a view angle switching operation by the user, the view angle control unit 105 selects and determines the view angle. At this time, the reproduction start time determination unit 110 sets a reproduction time at a predetermined time, for example, 10 seconds before the detection of the view angle switching operation. That is, a process of automatically returning to the image 10 seconds before and switching to trimming viewing is performed. Then, the user views the images 602 to 604. In the above example, the video processing is mainly described. However, the same applies to the audio processing, and thus the description thereof is omitted.

[First Embodiment]
Next, the operation of the receiving apparatus according to the first embodiment of the present invention will be described using the flowchart of FIG. Assume that the user first performs down-conversion viewing. At this time, the view angle determination unit 108 of the view angle control unit 105 transmits a control signal for down-conversion viewing to the video display control unit 112. The video display control unit 112 performs control to reduce the SHV size video to the HD size, and outputs the downconverted video. Specifically, reduced video data is generated by reducing the resolution while maintaining an overview of the entire original video by thinning out some pixels of the video data from the viewing video data bus 124.

  When content viewing starts, video data is stored in S801 in preparation for time-shifted playback. The decoding unit 104 decodes the SHV size video, and the SHV size video data is stored in the video data storage unit 114 via the recorded video data bus 122 and the video storage processing unit 115. In S802, the signal separation unit 103 extracts the trimming information multiplexed on the broadcast wave, and the angle-of-view information holding unit 106 holds the information. In step S <b> 803, the system control unit 118 determines whether an angle of view switching operation has been performed by the user. If the view angle switching operation has been performed, the process proceeds to S804. If the view angle switching operation has not been performed, the process proceeds to S808, where an image is output, and the process ends.

  Regarding the angle of view switching operation from the user in S803, specifically, the user instructs the receiving apparatus by pressing a view angle switching instruction switch of the remote controller 121 or the like. When a view angle switching operation from down-conversion viewing to trimming viewing is detected, the view angle selection unit 107 performs view angle selection control. The angle of view selection is performed by reading out the trimming information of the corresponding video frame from the trimming information held in the angle of view information holding unit 106. In conjunction with this angle of view selection, the process proceeds to a process for determining the playback start time. In S804, playback time acquisition processing is performed for the content currently being viewed. The playback start time determination unit 110 acquires the playback time of the content at the time when the view angle switching operation is detected. Next, in S805, the reproduction start time determination unit 110 subtracts a predetermined time, for example, 10 seconds from the reproduction time acquired in S804. That is, the next playback start time is set to a time point 10 seconds before the playback time when the angle of view switching operation is detected.

  When the selection of the angle of view and the setting of the reproduction start time are completed, an angle of view switching process is executed in S806. In this process, the angle-of-view determination unit 108 uses the trimming information read from the angle-of-view selection unit 107 to determine the HD video portion designated by the broadcast station in the original SHV video. The angle-of-view determination unit 108 transmits a control signal related to trimming viewing to the video display control unit 112. In the next S807, time shift reproduction starts. The video storage processing unit 115 starts video playback from the playback start time set by the playback start time determination unit 110. At this time, unlike real-time viewing, the user views the video that has been traced back to the past from the actual time, and the time-shifted reproduction that reproduces and outputs the video data stored in the video data storage unit 114. Become. The control at the time-shift playback will be described. First, the playback time control unit 111 transmits playback start time information to the video storage processing unit 115. The video storage processing unit 115 starts playback of the video data held in the video data storage unit 114 according to the playback start time information. The video data read from the video data storage unit 114 is sent to the decoding unit 104 through the reproduction video data bus 123. In accordance with this, the playback time control unit 111 sends a control signal for switching from real-time viewing to time shift playback to the decoding unit 104. The decoding unit 104 switches the video data from the playback video data bus 123 to the path to be output to the viewing video data bus 124, sends the playback video data to the video display control unit 112, and plays back the video retroactively. Note that the video data corresponding to the broadcast wave received at this time is stored in the video data storage unit 114 from the recorded video data bus 122 via the video storage processing unit 115, and is recorded in parallel with the reproduction. . This realizes time-shifted reproduction that reproduces an image that has been traced back to a past time for a certain time.

  When the process proceeds from S807 to S808, the user performs trimming viewing. The video display control unit 112 generates this video signal. Specifically, the video display control unit 112 generates an HD size video signal by outputting only the video signal ranging from the cutout start coordinate to the cutout end coordinate in the input video signal according to the trimming information. The HD cut-out video signal is output to the monitor 113.

In the first embodiment, since the receiving device automatically controls the playback time according to the view angle changing operation by the user, the user does not need a complicated operation. Therefore, convenience is improved in a mode in which the user views while switching the angle of view of the display video.
In the above example, the return time is set to 10 seconds. However, the return time may be set arbitrarily by adopting a configuration in which an initial setting can be made by a user operation instruction. In this case, the user calls a return time setting function using the remote controller 121, for example, displays a setting screen, and sets the return time to a desired value. That is, by providing the return time setting value holding unit in FIG. 1, the return time setting value can be held in accordance with a user operation instruction. When the desired return time is set according to the user operation instruction, the reproduction start time determination unit 110 acquires the set value of the return time from the return time setting value holding unit in S805 of FIG. The reproduction start time is determined by subtracting the set value of the held return time from the detection time of the view angle changing operation. As a result, when the angle of view is changed, viewing is resumed from a video that is traced back by a desired set time.
Further, in this embodiment, the operation example at the time of changing the angle of view from down-conversion viewing to trimming viewing has been described. .

[Second Embodiment]
Next, a second embodiment according to the present invention will be described. In the first embodiment, the angle of view for trimming viewing is set using designation information from a broadcasting station. On the other hand, in the second embodiment, the user can perform trimming viewing by specifying the trimming position and size. It is useful if the user has a function that allows the user to temporarily stop viewing and set the angle of view while watching the video when setting the angle of view for trimming. Even when viewing is started at a user-specified angle of view after the angle of view is determined, playback is performed from a video that has been traced back in the past for a certain period of time in order to prevent a scene from being overlooked when the angle of view is switched. Since the basic configuration of the apparatus according to the second embodiment is the same as the configuration shown in FIG. 1, the detailed description is omitted by using the reference numerals used for each component, and the differences are described below. explain.

  FIG. 6 is a conceptual diagram showing changes in video playback time and angle of view in the second embodiment. The difference from FIG. 4 is that the angle of view specified by the user is set at 30 seconds on the viewing time axis. The user views the images 501 to 503 by down-conversion and performs an angle-of-view switching operation at a time of 20 seconds. When this angle-of-view switching operation is detected, the video is paused and the video is returned. When the user designates an angle of view at time 30 seconds on the viewing time axis, trimming viewing resumes from a video 10 seconds before the time at which the angle of view switching operation occurs after the angle of view is determined. The user views the images 602 and 603 at the designated angle of view.

  Hereinafter, the operation of the receiving apparatus according to the second embodiment will be described with reference to the flowchart of FIG. The difference from FIG. 5 is S1003 to S1005 following S802, and these processes will be described.

  In step S1003, the system control unit 118 determines whether a user-designated view angle switching operation has been performed. If the operation is performed, the process proceeds to S1004. If the operation is not performed, the process proceeds to S807. In S1004, the system control unit 118 temporarily stops the video reproduction. At this time, the reproduction start time determination unit 110 holds the time when the angle of view switching operation is performed on the content being viewed. Subsequently, in S1005, the user performs an angle of view designation operation. This operation is performed by the user specifying the trimming size and position on the paused screen. Specifically, since a cursor for designating the trimming position is displayed on the paused screen, the user sequentially moves to the desired trimming start position (X1, Y1) and trimming end position (X2, Y2). Specify by moving and pressing the enter button. After the angle of view is specified, the user-specified angle of view is fixed, for example, when the user presses the angle of view determination button. The angle-of-view selection unit 107 takes charge of these processes, and the determined trimming information is held in the angle-of-view selection unit 107. Then, the process proceeds to S805, and thereafter, similarly to the first embodiment, the angle-of-view changing process and the time shift reproduction are performed. The coordinate value set in S1005 is used for the trimming information when changing the angle of view. The start time of the time shift reproduction starts from 10 seconds before the time when the view angle switching operation is started, and the reproduction starts from the video 602 as shown in FIG.

  According to the second embodiment, even when the user designates the trimming information, the user can view the desired angle of view from the video before changing the angle of view with a simple operation.

[Third Embodiment]
Next, a third embodiment of the present invention will be described. In the above-described embodiment, an example is shown in which playback is started by returning to a video at a time point that is a predetermined time after the detection time of the view angle changing operation. On the other hand, in the third embodiment, when the angle of view is changed, playback automatically starts to the beginning of the scene being viewed. Information indicating the scene start time is transmitted by the broadcast station including the program information and the chapter information (start time and end time of each scene) in the metadata. The receiving device acquires scene start time information from the received metadata. Alternatively, the receiving apparatus may include a detection unit that detects a scene break and an information generation unit that automatically determines scene start time information by determining the scene start time from the video.

  FIG. 8 is a conceptual diagram showing changes in video playback time and angle of view in the third embodiment. The difference from FIG. 4 is that when the angle-of-view switching operation is performed at time 20 seconds on the content time axis, the scene start time returns to the start time (0 seconds) and playback starts. That is, the user performs an angle-of-view switching operation when the images 501 to 503 are viewed down-converted. The time of the content corresponding to the scene break is the time of the video 601, and this time information is transmitted as metadata from the broadcast station and extracted by the receiving device, and is held by the chapter information holding unit 110 a shown in FIG. 1. Yes. When the view angle switching operation is detected, the view angle switching operation is performed by returning to the image 601 at the head of the scene related to the content being viewed, and the process proceeds to trimming viewing.

The operation of the receiving apparatus according to the third embodiment will be described below using the flowchart of FIG. The difference from FIG. 5 is S1202 following S801, S1204 following S803, and S1207 following S1205 and S806. Therefore, these processes will be described.
In S1202, the signal separation unit 103 extracts metadata multiplexed on the broadcast wave. At that time, the chapter information indicating the break of the scene is extracted together with the trimming information. The chapter information holding unit 110a in the reproduction start time determining unit 110 holds the extracted chapter information. If the user performs an angle-of-view switching operation in S803, the process proceeds to S1204, and the reproduction start time determination unit 110 determines the reproduction start time. The start time of the current scene is acquired from the chapter information held in S1202 and the time when the view angle switching operation is detected. In step S1205, the playback start time is set as the start time of the scene. Then, the process proceeds to S806, and thereafter, the angle of view is switched in the same manner as in the first embodiment, the reproduction starts in S1207, and the process proceeds to S808. The playback start time is the start time of the scene where the user performs the angle of view switching operation, and playback starts from the video 601 as shown in FIG.

  According to the third embodiment, when a view angle changing operation is detected, playback is automatically performed after returning to the beginning of the scene, so that the user can perform a desired view angle from the beginning of the scene without performing complicated operations. You can watch without missing the video.

105 View Angle Control Unit 109 Video Output Control Unit 110a Chapter Information Holding Unit 114 Video Data Storage Unit 115 Video Storage Processing Unit 116 Input Control Unit 117 Remote Control and Key Input Unit 118 System Control Unit 121 Remote Control

Claims (5)

A video processing device that changes the angle of view of an input video and outputs it,
Operation instruction means for use in a video angle-of-view change operation;
An angle of view control means for controlling the angle of view of the output video according to the angle of view change operation;
Storage means for storing video data;
Video output control means for outputting the video data stored in the storage means,
The video output control means, when receiving an instruction to change the angle of view from the angle of view control means, changes the reproduction start time of the video data stored in the storage means to a time earlier than the time of angle of view change, A video processing apparatus for outputting video data of the storage means reproduced from the reproduction start time at an angle of view designated by the angle of view control means. When the angle of view is specified after the angle of view change operation is performed by the operation instruction unit, the angle of view control unit instructs the video output control unit to change to the specified angle of view,
2. The video processing apparatus according to claim 1, wherein the video output control means outputs the video data reproduced from the reproduction start time at an angle of view designated by the angle of view control means. It further comprises information holding means for acquiring and holding information indicating scene breaks related to the video,
When the angle of view change operation is performed, the video output control means outputs the playback start time at the time when the angle of view change operation is performed using information held by the information holding means. The video processing apparatus according to claim 2, wherein the video processing apparatus is set to a start time of a scene.   The angle-of-view control means selects an angle of view for displaying the input image by reducing it according to the screen size, or an angle of view for extracting and displaying a part of the input image according to the coordinate information of the cutout position. The video processing apparatus according to any one of claims 1 to 3. A control method executed by a video processing device that changes and outputs an angle of view of an input video,
A storage step for storing video data;
A determination step of determining whether or not an instruction to change the angle of view of the output video has been issued;
When it is determined in the determination step that the change in the angle of view of the output video has been instructed, the reproduction start time of the video data stored in the storage step is changed to a time earlier than the time of the angle of view change, and the reproduction start time A method for controlling a video processing apparatus comprising the step of outputting the video data reproduced from

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