JP2014007701A - Video processing device, video processing method, and video processing program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a video processing device, a video processing method, and a video processing program that have higher convenience.SOLUTION: The video processing device comprises: a reception unit that receives a stream; a signal processing unit that converts the stream into a video recording stream for video recording; a chapter generation unit that generates chapters from the stream; a video recording processing unit that records the video recording stream and the chapters in a storage medium; a screen generation unit that generates a screen including a list of the chapters corresponding to the video recording stream recorded by the video recording processing unit; and an output unit that outputs the generated screen.

Description

  Embodiments described herein relate generally to a video processing apparatus, a video processing method, and a video processing program.

  2. Description of the Related Art Conventionally, video processing apparatuses that can record (record) and play back video content (stream) such as a movie, a television program, or a game have been widely used. When recording content, the video processing apparatus can generate a plurality of chapters from the video of the recorded content.

  In addition, video processing apparatuses that can select a plurality of channels from a broadcast signal and simultaneously record the contents of the selected channels are widely used.

JP 2008-294938 A

  The conventional video processing apparatus cannot generate chapters while recording. For this reason, the user cannot select the past scene of the program being recorded as a chapter. As a result, there is a problem that convenience may be impaired.

  An object of the present invention is to provide a video processing device, a video processing method, and a video processing program having higher convenience.

  A video distribution apparatus according to an embodiment includes a receiving unit that receives a stream, a signal processing unit that converts the stream into a recording stream for recording, a chapter generation unit that generates a chapter from the stream, and the recording stream. A recording processing unit for recording the chapter on a storage medium, a screen generating unit for generating a screen including a list of chapters corresponding to the recording stream recorded by the recording processing unit, and the generated screen. An output unit for outputting.

FIG. 1 is a diagram for explaining a video processing apparatus according to an embodiment. FIG. 2 is a diagram for explaining a video processing apparatus according to an embodiment. FIG. 3 is a diagram for explaining a video processing apparatus according to an embodiment.

  Hereinafter, a video processing device, a video processing method, and a video processing program according to an embodiment will be described in detail with reference to the drawings.

FIG. 1 shows an example of a video processing apparatus 100 according to an embodiment.
The video processing device 100 is, for example, a broadcast reception device that can reproduce a broadcast signal or video content stored in a storage medium, or an electronic device such as a recorder.

  The video processing apparatus 100 includes a tuner 111, a demodulation unit 112, a signal processing unit 113, an audio processing unit 121, a video processing unit 131, a display processing unit 133, a control unit 150, a storage 160, an operation input unit 161, a light receiving unit 162, and a LAN. An interface 171 and an HDMI terminal 173 are provided. The video processing apparatus 100 further includes a speaker 122 and a display 134.

  The tuner 111 can receive a digital broadcast signal received by the antenna 101, for example. The antenna 101 can receive, for example, a terrestrial digital broadcast signal, a BS (broadcasting satellite) digital broadcast signal, and / or a 110-degree CS (communication satellite) digital broadcast signal. The tuner 111 can receive data (stream) of content such as a program supplied by the digital broadcast signal.

  The tuner 111 is a tuner for digital broadcast signals. The tuner 111 tunes (tunes) the received digital broadcast signal. The tuner 111 transmits the tuned digital broadcast signal to the demodulation unit 112. Note that the video processing apparatus 100 includes a plurality of tuners 111. The video processing apparatus 100 can simultaneously select a plurality of broadcast signals by a plurality of tuners.

  The demodulator 112 demodulates the received digital broadcast signal. Thereby, the demodulation unit 112 acquires content data such as a transport stream (TS) from the digital broadcast signal. The demodulator 112 inputs the acquired content data to the signal processor 113. Note that the video processing apparatus 100 includes a plurality of demodulation units 112. The plurality of demodulation units 112 can demodulate the plurality of signals selected by the plurality of tuners 111, respectively.

  As described above, the antenna 101, the tuner 111, and the demodulation unit 112 function as a receiving unit that receives content data.

  The signal processing unit 113 performs signal processing such as separation of content data. That is, the signal processing unit 113 separates the content data into a digital video signal, a digital audio signal, and other data signals. Note that the signal processing unit 113 can separate a plurality of TSs demodulated by the plurality of demodulation units 112. The signal processing unit 113 supplies an audio signal to the audio processing unit 121. Further, the signal processing unit 113 supplies a video signal to the video processing unit 131. Further, the signal processing unit 113 supplies a data signal to the control unit 150.

  Further, the signal processing unit 113 can convert the content data into data that can be recorded (recording stream) based on the control of the control unit 150. The signal processing unit 113 can supply the recording stream to the storage 160 or another module based on the control of the control unit 150.

  Furthermore, the signal processing unit 113 can convert (transcode) the bit rate of the content data from the original bit rate to another bit rate. That is, the signal processing unit 113 can transcode an original bit rate stream acquired based on a broadcast signal or the like into a lower bit rate stream. Thereby, the signal processing unit 113 can record the content with a smaller capacity.

  The audio processing unit 121 converts the digital audio signal received from the signal processing unit 113 into a signal (audio signal) in a format that can be reproduced by the speaker 122. For example, the voice processing unit 121 converts a digital voice signal into an audio signal by digital / analog conversion. The audio processing unit 121 supplies an audio signal to the speaker 122. The speaker 122 reproduces sound based on the supplied audio signal.

  The video processing unit 131 converts the digital video signal received from the signal processing unit 113 into a video signal in a format that can be reproduced on the display 134. That is, the video processing unit 131 decodes (reproduces) the digital video signal received from the signal processing unit 113 into a video signal having a format that can be reproduced on the display 134. The video processing unit 131 outputs the video signal to the display processing unit 133.

  For example, the display processing unit 133 performs color tone, brightness, sharpness, contrast, or other image quality adjustment processing on the received video signal based on the control from the control unit 150. The display processing unit 133 supplies the video signal subjected to the image quality adjustment to the display 134. The display 134 displays a video based on the supplied video signal.

  The display 134 includes, for example, a liquid crystal display device including a liquid crystal display panel including a plurality of pixels arranged in a matrix and a backlight that illuminates the liquid crystal panel. The display 134 displays a video based on the video signal supplied from the display processing unit 133.

  Note that the video processing apparatus 100 may include an output terminal that outputs a video signal instead of the display 134. Further, the video processing apparatus 100 may be configured to include an output terminal that outputs an audio signal instead of the speaker 122. Further, the video processing apparatus 100 may be configured to include an output terminal that outputs a digital video signal and a digital audio signal.

  The control unit 150 functions as a control unit that controls the operation of each unit of the video processing apparatus 100. The control unit 150 includes a CPU 151, a ROM 152, a RAM 153, an EEPROM (nonvolatile memory) 154, and the like. The control unit 150 performs various processes based on the operation signal supplied from the operation input unit 161.

  The CPU 151 includes arithmetic elements that execute various arithmetic processes. The CPU 151 implements various functions by executing programs stored in the ROM 152, the EEPROM 154, or the like. The control unit 150 functions as a recording processing unit 155 by executing a program by the CPU 151.

  The ROM 152 stores a program for controlling the video processing apparatus 100, a program for realizing various functions, and the like. The CPU 151 activates the program stored in the ROM 152 based on the operation signal supplied from the operation input unit 161. Thereby, the control part 150 controls operation | movement of each part.

  The RAM 153 functions as a work memory for the CPU 151. That is, the RAM 153 stores the calculation result of the CPU 151, the data read by the CPU 151, and the like.

  The EEPROM 154 is a non-volatile memory that stores various setting information, programs, and the like.

  The storage 160 has a storage medium for storing content. For example, the storage 160 is configured by a hard disk drive (HDD), a solid state drive (SSD), or a semiconductor memory. The storage 160 can store the recording stream supplied from the signal processing unit 113.

  The operation input unit 161 includes, for example, an operation key that generates an operation signal according to an operation input by the user, a touch pad, or the like. The operation input unit 161 may be configured to receive an operation signal from a keyboard, a mouse, or another input device that can generate an operation signal. The operation input unit 161 supplies an operation signal to the control unit 150.

  Note that the touch pad includes a device that generates position information based on a capacitive sensor, a thermo sensor, or another method. When the video processing apparatus 100 includes the display 134, the operation input unit 161 may include a touch panel formed integrally with the display 134.

  The light receiving unit 162 includes, for example, a sensor that receives an operation signal from the remote controller 163. The light receiving unit 162 supplies the received signal to the control unit 150. The control unit 150 receives the signal supplied from the light receiving unit 162, amplifies the received signal, and performs A / D conversion, thereby decoding the original operation signal transmitted from the remote controller 163.

  The remote controller 163 generates an operation signal based on a user operation input. The remote controller 163 transmits the generated operation signal to the light receiving unit 162 by infrared communication. The light receiving unit 162 and the remote controller 163 may be configured to transmit and receive operation signals by other wireless communication such as radio waves.

  The LAN interface 171 is an interface for communicating with other devices on a network such as the Internet, an intranet, or a home network via a LAN. For example, the video processing apparatus 100 can acquire and reproduce content recorded in a device on the network through the LAN interface 171. In addition, the video processing apparatus 100 can output content data to a device connected via the LAN interface 171.

  The LAN interface 171 may be an interface that communicates with a wireless communication terminal as an access point via a wireless LAN. The LAN interface 171 can communicate with other devices on a network such as the Internet or a home network via a wireless communication terminal.

  The HDMI terminal 173 is an interface for performing communication based on a standard such as HDMI (High Definition Multimedia Interface) (registered trademark). The HDMI terminal 173 is connected to a Blu-ray (registered trademark) recorder, DVD recorder, hard disk recorder, or other device and a device that supports HDMI. The HDMI terminal 173 can receive content data output from a connected device.

  The control unit 150 causes the signal processing unit 113 to input content data received through the HDMI terminal 173. The signal processing unit 113 separates a digital video signal, a digital audio signal, and the like from the received content data. The signal processing unit 113 transmits the separated digital video signal to the video processing unit 131 and transmits the separated digital audio signal to the audio processing unit 121.

  The video processing apparatus 100 includes a power supply unit (not shown). The power supply unit receives power from a commercial power supply or the like via an AC adapter or the like. The power supply unit converts the received AC power into DC and supplies it to each unit in the video processing apparatus 100.

  As described above, the recording processing unit 155 of the control unit 150 can record the recording stream in the storage 160 or other storage device in units of programs. In addition, the recording processing unit 155 can simultaneously record a plurality of contents (programs) converted into a recording stream by the signal processing unit in the storage 160 or another storage device.

  In addition, the control unit 150 controls the audio processing unit 121, the video processing unit 131, and the display processing unit 133 so that one or more of the plurality of streams separated by the signal processing unit 113 are displayed on the display 134. Control.

  Further, the control unit 150 can execute a process of reproducing the program being recorded by the recording processing unit 155 (simultaneous recording reproduction). In this case, the control unit 150 reads the recording stream from the storage 160 and supplies the read recording stream to the signal processing unit 113. Thereby, the control unit 150 separates the recording stream. Furthermore, the control unit 150 controls the audio processing unit 121, the video processing unit 131, and the display processing unit 133 so that the separated recording stream is displayed on the display 134. That is, the video processing apparatus 100 can simultaneously execute recording and playback of a program.

  Furthermore, the recording processing unit 155 can generate chapters simultaneously with the recording of the program. The chapter is a break in the recording stream. For example, the recording processing unit 155 generates information (time information) indicating time in the recording stream as a chapter (strokes a chapter). The recording processing unit 155 generates a start time and an end time of one chapter as chapters.

  For example, the recording processing unit 155 strikes a chapter at a fixed time interval, when a scene change is detected, or when the main part / CM is switched. The recording processing unit 155 detects a scene change when silence is detected, the screen is blown out or blacked out, or the pixels constituting the video are largely switched.

  Furthermore, the recording processing unit 155 extracts a thumbnail for each chapter. For example, the recording processing unit 155 extracts the video of the first frame of one chapter as a thumbnail. Further, the recording processing unit 155 may be configured to extract the video of the Xth frame from the beginning of one chapter as a thumbnail.

  The recording processing unit 155 sequentially generates the extracted thumbnail and time information indicating the position in the stream as chapters. The recording processing unit 155 adds the generated chapter to the recording stream and stores it in the storage 160.

FIG. 2 shows an example of processing of the video processing apparatus 100.
The video processing apparatus 100 generates a display screen 200, for example. The display screen 200 includes a main screen 201, a sub screen 202, and a chapter display area 203.

  The control unit 150 displays one of the plurality of streams separated by the signal processing unit 113 on the main screen 201. In addition, the control unit 150 causes the sub screen 202 to display an image based on the recording stream recorded by the recording processing unit 155.

  As described above, the recording processing unit 155 can simultaneously record a plurality of contents. When a plurality of contents are recorded simultaneously, the control unit 150 reads a plurality of recording streams being recorded by the recording processing unit 155 from the storage 160, reproduces them, and displays them on the sub screen.

  For example, it is assumed that channel E is being viewed and channels A to D are being recorded. In this case, the control unit 150 displays the content of channel E on the main screen 201. In addition, the control unit 150 reproduces the recording streams of channels A to D and displays them on the sub screen 202, respectively.

  Furthermore, the control unit 150 displays a list of chapter thumbnails of one of the recording streams displayed on the sub screen in the chapter display area 203. For example, the control unit 150 selects one of the recording streams displayed on the sub screen according to the operation input. The control unit 150 displays a list of chapter thumbnails of the selected recording stream in the chapter display area 203. Thereby, the video processing apparatus 100 can make the user recognize the past scene of the program being recorded.

  Furthermore, when a different recording stream is selected on the sub screen 202 in a state where the chapter list is displayed in the chapter display area 203, the control unit 150 lists the thumbnails of the chapters of the newly selected recording stream. Is displayed in the chapter display area 203.

  Furthermore, the control unit 150 selects one of a plurality of chapters displayed in the chapter display area 203 according to the operation input. The control unit 150 starts playback of the recorded stream corresponding to the selected chapter. The control unit 150 plays the recorded stream from the beginning of the selected chapter and displays it on the main screen. In addition, the control unit 150 may be configured to reproduce a recorded stream from the top of the selected chapter and display it on the entire surface of the display 134.

  As described above, the video processing apparatus 100 generates chapters simultaneously with recording a program. Furthermore, the video processing apparatus 100 displays the chapter of the program being recorded on the display screen. Thereby, the video processing apparatus 100 can display a screen including a list of chapters of a recording stream of a program being broadcast. The video processing apparatus 100 can switch the display of chapters in a plurality of programs.

  As a result, the video processing apparatus 100 can simultaneously record programs of a plurality of channels and further allow the user to recognize past scenes of the plurality of recorded programs as a list. As a result, it is possible to provide a video processing device, a video processing method, and a video processing program having higher convenience.

  In addition, the video processing apparatus 100 can play back a recorded stream stored in the storage 160 and generate a screen including a playback video from which the recorded stream is played back and a list of chapters. Thereby, the video processing apparatus 100 can allow the user to recognize the current video of the recording stream and the past scene.

  When the video processing apparatus 100 is recording a plurality of programs simultaneously, the video processing apparatus 100 selects one of the plurality of recording streams in accordance with an operation input, and includes a list of chapters corresponding to the selected recording stream. Can be generated. Furthermore, the video processing apparatus 100 can simultaneously display playback videos of a plurality of recorded streams stored in the storage medium on the screen. Thereby, the video processing apparatus 100 can allow the user to recognize the current video of the plurality of recording streams and the past scene of one recording stream according to the operation input.

  The control unit 150 may be configured to delete the recorded stream after the program ends. For example, the control unit 150 deletes the recorded stream and chapter from the 160 when a predetermined time elapses after the recorded program, that is, the program displayed on the sub-screen 202 ends. Thereby, the video processing apparatus 100 can use the area of the storage 160 more efficiently.

FIG. 3 shows another example of processing of the video processing apparatus 100.
The video processing apparatus 100 generates a display screen 300, for example. The display screen 300 includes a sub screen 302 and a chapter display area 303.

  The control unit 150 causes the sub screen 302 to display video based on a plurality of recording streams being recorded by the recording processing unit 155. For example, assume that channels A to D are being recorded. In this case, the control unit 150 reproduces the recording streams of channels A to D and displays them on the sub screen 302, respectively.

  Further, the control unit 150 displays a list of chapters corresponding to each recording stream in the chapter display area 303. For example, the control unit 150 displays a list of chapter thumbnails of the recording stream of the channel A in the chapter display area 303A so as to correspond to the sub screen 302A on which the recording stream of the channel A is displayed.

  Similarly, the control unit 150 displays a chapter thumbnail list of the recording streams of the channels B to D so as to correspond to the sub-screens 302B to 302D on which the recording streams of the channels B to D are displayed, respectively. It is displayed in the areas 303B to 303D.

  Furthermore, the control unit 150 selects one of a plurality of chapters displayed in the chapter display areas 303A to 303D according to the operation input. The control unit 150 starts playback of the recorded stream corresponding to the selected chapter. The control unit 150 plays the recorded stream from the beginning of the selected chapter and displays it on the entire surface of the display 134.

  Further, the control unit 150 may be configured to switch the display to the display screen 200 as illustrated in FIG. 2 when a chapter is selected. In this case, the control unit 150 reproduces the recorded stream from the top of the selected chapter and displays it on the main screen. The control unit 150 may be configured to switch the configuration of the screen displayed on the display 134 between the display screen 200 and the display screen 300 in accordance with an operation input.

  According to the above-described configuration, the video processing apparatus 100 can generate a screen including a playback video of a plurality of recorded streams stored in the storage 160 and a list of chapters respectively corresponding to the plurality of recorded streams. it can. Thereby, the video processing apparatus 100 can allow the user to recognize past scenes of a plurality of programs being recorded as a list. As a result, it is possible to provide a video processing device, a video processing method, and a video processing program having higher convenience.

  Note that the video processing apparatus 100 may be configured to perform recording processing and chapter generation processing when the video processing apparatus 100 is in a standby state. The video processing apparatus 100 can display a list of chapters of the recording stream on the display 134 when the standby state returns to the operation state. Thereby, the video processing apparatus 100 can make a user recognize the list of the past scenes of the program recorded while the display 134 disappears.

  It should be noted that the functions described in the above embodiments are not limited to being configured using hardware, but can be realized by causing a computer to read a program describing each function using software. Each function may be configured by appropriately selecting either software or hardware.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Further, various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, you may combine suitably the component covering different embodiment.

  DESCRIPTION OF SYMBOLS 100 ... Video processing apparatus, 101 ... Antenna, 111 ... Tuner, 112 ... Demodulation part, 113 ... Signal processing part, 121 ... Audio processing part, 122 ... Speaker, 131 ... Video processing part, 133 ... Display processing part, 134 ... Display , 150... Control unit, 151... CPU, 152... ROM, 153... RAM, 154... EEPROM, 155... Recording processing unit, 160 ... storage, 161 ... operation input unit, 162 ... light receiving unit, 163. LAN interface, 173 HDMI terminal.

Claims (9)

A receiver for receiving the stream;
A signal processing unit for converting the stream into a recording stream for recording;
A chapter generator for generating chapters from the stream;
A recording processing unit for recording the recording stream and the chapter on a storage medium;
A screen generating unit that generates a screen including a list of chapters corresponding to the recording stream being recorded by the recording processing unit;
An output unit for outputting the generated screen;
A video processing apparatus comprising: A playback unit for playing back the recorded stream stored in the storage medium;
The video processing apparatus according to claim 1, wherein the screen generation unit generates a screen including a playback video in which a recorded stream is played back and a list of the chapters. The receiving unit receives a plurality of streams simultaneously,
The signal processing unit converts a plurality of streams into a plurality of recording streams, respectively.
The chapter generation unit generates the chapter for each of the plurality of streams,
The recording processing unit stores the recording stream and the chapter corresponding to the recording stream in association with each other in a storage medium,
The screen generation unit generates a screen including a playback video of the plurality of recording streams stored in the storage medium and a list of chapters corresponding to any of the plurality of recording streams.
The video processing apparatus according to claim 2.   The screen generation unit selects one of the plurality of recording streams in response to an operation input, lists the chapters corresponding to the selected recording stream, and the plurality of the recording streams stored in the storage medium The video processing apparatus according to claim 3, wherein a screen including a playback video of the recorded stream is generated. The receiving unit receives a plurality of streams simultaneously,
The signal processing unit converts a plurality of streams into a plurality of recording streams, respectively.
The chapter generation unit generates the chapter for each of the plurality of streams,
The recording processing unit stores the recording stream and the chapter corresponding to the recording stream in a storage medium in association with each other,
The screen generation unit generates a screen including a plurality of playback videos of the recording streams stored in the storage medium and a list of chapters corresponding to the recording streams, respectively.
The video processing apparatus according to claim 2.   The video processing apparatus according to claim 2, wherein the playback unit selects one of the chapters on the screen according to an operation input, and starts playback of the recorded stream from the selected chapter.   The recording processing unit deletes the recording stream and the chapter associated with the recording stream from the storage medium when a preset time has elapsed since the recording of the recording stream was completed. The video processing apparatus according to 1. Receive the stream,
Converting the stream into a recording stream for recording;
Generate chapters from the stream,
Recording the recording stream and the chapter on a storage medium;
Generating a screen including a list of chapters corresponding to the recording stream being recorded;
Output the generated screen,
Video processing method. A video processing program executed in the video processing device, wherein the video processing device is
A receiver for receiving the stream;
A signal processing unit for converting the stream into a recording stream for recording;
A chapter generator for generating chapters from the stream;
A recording processing unit for recording the recording stream and the chapter on a storage medium;
A screen generating unit that generates a screen including a list of chapters corresponding to the recording stream being recorded by the recording processing unit;
An output unit for outputting the generated screen;
Video processing program to be operated.

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