CN110139107A - System and method for handling video data - Google Patents
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- CN110139107A CN110139107A CN201910341517.XA CN201910341517A CN110139107A CN 110139107 A CN110139107 A CN 110139107A CN 201910341517 A CN201910341517 A CN 201910341517A CN 110139107 A CN110139107 A CN 110139107A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
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Abstract
The invention discloses the system and method for handling video data.System and method processing has the video flowing of first resolution video frame, which includes multiple second resolution video frames.
Description
The relevant information of divisional application
This case is divisional application.The female case of the division be the applying date be on 04 24th, 2014, application No. is
201410168639.0, the invention patent application case of entitled " system and method for handling video data ".
Cross reference to related applications
The application is non-provisional application and requires entitled " the System and Method submitted on April 25th, 2013
U.S. Provisional Patent Application the 61/815th, 860 equity of for Processing Video Data ", by quoting it
Full content is incorporated herein.
Technical field
Present disclosure relates generally to the system and method for handling video data, and more particularly relates to handle
The system and method for video data comprising the low resolution video data being embedded in high-resolution video data.
Background technique
Modern video constantly raises the boundary of video resolution.However, but cannot be always that modern video mentions
For having the video with their the maximum resolution ratio for supporting that resolution ratio is equivalent.It may repeatedly provide to system and be supported lower than maximum
The video of resolution ratio.In the case where having the memory and hard disk of the video format for supporting high-resolution, when support comes from
When the low resolution video flowing of traditional standard, system may cannot be effectively utilized.
Summary of the invention
According to an aspect of the invention, there is provided a kind of method for video processing, which comprises receive packet
First video flowing of the video frame containing first resolution, at least one of described first resolution video frame are defined to include more
A second resolution video frame；And the second resolution video frame based on the first resolution video frame generates second
Video flowing.
Wherein, the first resolution video frame has the first frame rate and multiple second resolution video frame tools
There is the second frame rate.
Wherein, second frame rate is higher than first frame rate.
Wherein, the first resolution and the second resolution are bit depth.
Wherein, multiple second resolution video frames include: the first frame of the most significant bit comprising institute's bit depth
With the second frame of the least significant bit comprising institute's bit depth.
Wherein, the first resolution has the resolution ratio higher than the second resolution.
Further, which comprises the first resolution frame is received in Video Codec.
Further, which comprises multiple second resolutions are cut from the first resolution video frame
Video frame.
Further, which comprises second resolution video flowing is generated from the second resolution video frame.
According to the second aspect of the invention, a kind of system for encoded video data is provided, the system comprises: it deposits
Storage unit；Frame processing unit, is operatively coupled to the storage unit, the frame processing unit be configured as retrieving it is multiple compared with
Low resolution video frame, by lower resolution video frame combination in high-resolution video frame, and will be described higher
Resolution video frame is stored in the storage unit；Encoder is operatively coupled to the storage unit, the encoder
Including being configured as at least one module by the high-resolution video frame compression in coding stream.
Wherein, the high-resolution video frame definition frame rate lower than the lower resolution video frame.
Wherein, each framing bit of the multiple lower resolution video frame is in the region of the high-resolution video frame.
Wherein, each frame of the multiple lower resolution video frame includes the component frame of 3 D video frame.
Wherein, at least one frame of the multiple lower resolution video frame includes two-dimensional video content.
Wherein, at least one corresponding frame of the multiple lower resolution video frame includes three dimensional depth layer content.
According to another aspect of the invention, it provides a kind of for handling including being embedded in high definition video data
The device of the video data of low resolution video data, described device include: storage unit；Processor is operatively coupled to
To the storage unit, the processor includes being configured as at least one module below: high-resolution video frame is delayed
There are in the storage unit；Multiple lower resolution video frames are cut from the high-resolution video frame；Described in rendering
Multiple lower resolution video frames are to generate low resolution video flowing.
Wherein, the high-resolution video frame includes four lower resolution video frames.
Wherein, the multiple lower resolution video frame includes multiple camera angles of video broadcasting.
Wherein, each frame of multiple low definition video frames includes different program.
Wherein, the multiple low definition video frame includes at least one of multiple video flowings and the multiple video flowing
Video flowing includes the specific aim market content for specific user.
Detailed description of the invention
Fig. 1 is the diagram of the video frame with the first resolution comprising multiple video frames with second resolution；
Fig. 2 is the frame for the system for the video frame for encoding the first resolution of multiple video frames comprising second resolution
Figure；
Fig. 3 is the system for the video frame for decoding the first resolution of multiple video frames comprising second resolution；
Fig. 4 is the block diagram for showing multiple operation modes for Fig. 3 system introduced；
Fig. 5 is the process for the method for the video flowing for decoding the first resolution of the video content comprising second resolution
Figure；
Fig. 6 is showing for the video frame of the first resolution of multiple video frames (comprising three-dimensional content) comprising second resolution
Figure；
Fig. 7 is the block diagram for decoding the system of the video flowing comprising 3 d video content；
Fig. 8 is the flow chart for decoding the method for the video flowing comprising 3 d video content；
Fig. 9 is the diagram of the video frame of the first resolution comprising multiple video frames with increased frame rate；And
It includes first resolution with multiple video frames of increased frame rate and second resolution that Figure 10, which is for decoding,
The system of the video frame of rate；And
Figure 11 is the diagram according to the video frame with the first bit depth of the introduction of present disclosure.
Specific embodiment
With reference to Fig. 1, the diagram of video frame is provided.Video frame can have first resolution and include to differentiate with second
Multiple video frames of rate.In this embodiment, the video frame with first resolution can define high-resolution video frame
102 and lower resolution video frame 104 can be defined with the video frame of second resolution.Lower resolution video frame 104
It is combined the high-resolution frame 106 that can form combination.High-resolution video frame 102 may include the picture of 3840x 2160
Plain resolution ratio, commonly known as 4k x 2k resolution ratio or Ultra HD resolution ratio.In some embodiments, high-resolution
The frame rate of video frame can be such as 120Hz.It should be appreciated, however, that frame rate can be any other video frame rate (example
Such as, 60Hz, 240Hz, 480Hz etc.).Combined high-resolution frame 106 also may include the total resolution of 3840x 2160.Group
The high-resolution frame 106 of conjunction may further include multiple lower resolution video frames, and such as, 1080p resolution ratio is (that is, every
A pixel resolution with 1920x 1080).
In this example, combined high-resolution frame 106 may include the multiple portions comprising corresponding video content
Or section.In one or more embodiments, correspond to first frame quadrant 108, the second frame quadrant 110, third frame quadrant 112,
4th frame quadrant 114.It can be in each of frame quadrant 108,110,112,114 four different programs (program) of middle display.
In addition, each of frame quadrant 108,110,112,114 can be 1080p resolution ratio.
Although describing the resolution ratio of 1080p and 4k x 2k in this embodiment, it can be applied according to present disclosure
His video resolution, for example, 720x 480,1280x 720,8k x 4k and other standards and off-gauge video differentiate
Rate.In some embodiments, multiple frames may include any number in the multiple regions of combined high-resolution frame
The frame of amount.For example, multiple frames may include two in the region of the corresponding number in the combined high-resolution frame extremely
Ten frames.Multiple frames can further change the resolution ratio in the high-resolution frame individually combined.For example, the relatively high score of combination
Resolution frame may include three 1080p frames, 720 frame of 1280x and 360 frame of 640x.
As used herein term program and video content may refer to the video flowing, video content, phase of diversified forms
The video of machine angle, the video, computer program, 3 d video content and the other forms that are captured by software program.At this
In embodiment, the frame from four independent video flowings can be embedded in combined high-resolution frame 106.For example,
Four 1080p video flowings can be transmitted simultaneously in single 4k x 2k video flowing.Term high-resolution as discussed in this article and compared with
Low resolution be used to compare the relative resolution of first resolution and second resolution, and be not construed as the limitation disclosure
Content.In general, term resolution ratio can refer to the pixel resolution of video frame.However, at least one embodiment, point
Resolution can refer to pixel depth, bit depth or color depth as described below.
With reference to Fig. 2, the system for encoding the video frame with first resolution is shown according to the introduction of present disclosure
202 block diagram.Video frame with first resolution may further include multiple video frames with second resolution.System
It usually may include: Frame Handler 204, memory 206, video frame compiler 208 and encoder 210.Through present disclosure
The memory in the system 202 and other systems of description may include various forms of memories, for example, arbitrary access is deposited
Reservoir (RAM), dynamic ram (DRAM), synchronous dram (SDRAM) and the other forms for being configured as storage digital information
Memory.
In this specific embodiment, Frame Handler 204 can be configured to retrieve single lower resolution video frame simultaneously
And each video frame is buffered in memory 206 (such as DRAM).Memory 206 can have enough capacity to correspond to store
The video frame of multiple cachings of at least one high-resolution video frame.In this embodiment, lower resolution video frame
214a, 214b, 214c and 214d can be 1080p video frame and high-resolution video frame 212 can be 4k x 2k video
Frame.Video frame compiler 208 can retrieve single lower resolution video frame and combine the frame to be formed individually compared with high score
Resolution (for example, 4k x 2k) video frame.Once high-resolution video frame is compiled, encoder can be retrieved each compared with high score
Resolution video frame.Then, encoder can encode each video frame to create high resolution output video flowing in a compressed format.It is defeated
Video by decoder processes and compresses a part as video feed (video feed) later out.
It nows refer to figures 1 and 2, compiler can be with various arrangements and sequential polymerization lower resolution frame 104.Lower resolution
The particular arrangement of rate video frame and other features of each frame are collected by compiler and are embedded in metadata by encoder.First number
According to usually may include recognition combination high-resolution frame 106 in lower resolution frame 104 presence and arrangement information.
Metadata may further include other characteristic informations about high and lower resolution frame, for example, resolution ratio, compressed data,
Frame rate, color depth and any information that lower resolution video frame and high-resolution video frame can be connected.
Terminology metadata can refer to various forms of data, such as header information, data token, data packet and can connect in video streaming
Other identification informations received.
Referring now to Figure 3, being shown according to the introduction of present disclosure for decoding the video frame with first resolution
System.Video frame with first resolution may further include multiple video frames with second resolution.Decoding system
302 may include: usually decoder 304, storage unit 306 (for example, in the form of DRAM), video sealer 308, Video Composition
Device 310.In response to the reception of input video stream, system 302 can be by one or more video frame buffers of high-definition video stream
In storage unit 306.The metadata of frame in the accessible storage unit 306 of decoder 304 inputs high-resolution to determine
The feature of video flowing.Then, decoder 304 can explain one or more high-resolutions corresponding to high-definition video stream
The metadata of video frame is to determine the identification information about each high-resolution video frame.Identification information can indicate that input is high
Resolution video stream includes conventional video data, for example, the single frame of the video data for single program, or each
Multiple lower resolution video frames are embedded in high-resolution video frame.Then, entirely decoding system can be using input high-resolution
The feature of rate video flowing is to handle multiple lower resolution video frames for showing.
Because decoder 304 decompresses each high-resolution video from video flowing, it is possible to will be each compared with high-resolution
Rate video frame is stored in storage unit 306.Then, video feed device 312 can retrieve one or more high-resolution views
Frequency frame and each high-resolution video frame is provided to video sealer 308.Video sealer 308 can be according to first number
Each lower resolution video frame is cut and arranged according to the instruction of, controller or user's input.It is decompressed, as 120Hz's
The received multiple video frames of 4k x 2k video frame can correspond to four 1080p video flowings (for example, 1080p program) of 120Hz
It is corresponding.
Then, the video frame of the scaling from video sealer 308 can be captured by frame-grab unit 316.Frame-grab unit
316 can capture the scaling of each lower resolution video frame and position for showing with single, high-resolution video frame.Through
Combined high-resolution video frame including multiple lower resolution video frames can be provided to video synthesizer by frame-grab
310.Then, video synthesizer 310 can assemble each frame with final video format to increase additional rendering figure and increasing
By force.Then, the Final Format slave synthesizer of combined high-resolution video frame can be exported to display unit.In order to provide
Flexible viewing experience, system 302 can be further provided for for being configured as changing user's input of watching mode, such as Fig. 4
It is shown.
With reference to Fig. 4, showing diagram according to the introduction of present disclosure can be used as the video exported via decoding system 302
The block diagram of mode.In first mode 402, video sealer can retrieve four lower resolution video frames.It can be contracted by video
It puts device 404 and cuts and scale each lower resolution video frame.Video sealer 404 allows lower resolution video frame with single
High-resolution frame is shown.Then, the frame-grab of single high-resolution frame can be completed by frame-grab unit 406.It can be by synthesizing
Device 405 and output module 407 handle each program to output this to display screen 408.It can show that low resolution regards simultaneously
Frequency frame, as shown in program 1, program 2, program 3 and program 4 or shown in position generate any variation.In the first mode 402
In, four independent low resolution video screens are shown simultaneously on high resolution display 408.In this example, each
Individual lower resolution frame may include 1080p frame provided in 4kx2k higher resolution frame.
In second mode 410, user may prefer to watch single program on full screen, such as program 1.User can
The mode is activated with request, so that the full screen display program 1 on display 412.In this case, video sealer 414 can
To cut and amplify each frame of (upscale) program 1.In addition, each frame that frame-grab unit 416 can capture program 1 is used
It is shown in full screen.Video frame can be handled exporting its full screen in display 412 by synthesizer 415 and output module 417
On.Then, user can watch program 1 in the form of traditional viewing.
It can be similar to the support the third mode of second mode 410 corresponding to the single frame of program 2 by retrieving and amplifying
418.Then, video sealer 422 can amplify the single video frame corresponding to program 2.In addition, frame-grab unit 424 can be caught
Obtain the high-resolution frame for program 2.Video frame can be handled by synthesizer 425 and output module 427.Then, program 2 can be with
It is shown on display 420 with the format of the high-resolution of amplification.Similar to mode 410 and 418, other modes can also be answered
For third program and fourth program.Other embodiments can be further directed to being stored in single high-resolution video frame
Multiple lower resolution video frames provide, and the subframe or correspondence of four frames shown in further can merging 408
In the part fractional part for any resolution ratio or multiple resolution ratio that can be arranged or transmit in single high-resolution video frame.
E.g., including multiple frames of the resolution ratio of 1080p, 720p and 480p (DVD resolution ratio) can be combined into single, biggish
1080p, 4k x 2k or 8k x 4k video frame.Can also using with consistent other standards of present disclosure and off-gauge
Video resolution.
Term program in present disclosure is generally used to illustrate extensive video content.In some embodiments, compared with
Low-resolution frames may include the multiple camera angles for the broadcast that can correspond to Live Audio or record before.For example, competitive sports
Multiple camera angles can be shown as program 1,2,3 and 4.In another embodiment, multiple independent video contents
It can be shown as program 1,2,3 and 4.It is further for other examples of the embodiment of program can include: wide including business
Announcement, Video Roundup, weather forecast, score, credit render video in perhaps any other video content at least one program.
In the embodiment for including multiple camera views, user can be switched between camera view under screen mode toggle with Request System
(see 412 and 420) or camera angle 408 is shown simultaneously.
In yet another embodiment, at least one program may include specific aim video flowing, which can
Specific aim marketing content including being directed to niche audience.In this embodiment, as shown in 408, can for one or
Multiple programs provide content simultaneously.In addition, as shown in frame 412 and 420, in response to metadata received in input video stream or
The request that user's full screen is shown, can be with switch contents.Other examples of program may include computer software video content and
Other computer application related contents.In these embodiments, display priority can pass through member number received in video flowing
According to identification, can also be identified by user preference.Metadata may include that instruction will before user is likely to return to selected program
The rule in period required for the advertisement of display.
The flow chart of the method for decoded video streams is provided with reference to Fig. 5,502.It can encode and pass with first resolution
Defeated video flowing.However, video flowing may include the video content with second resolution according to the introduction of present disclosure.Fig. 3
System 302 can further apply the high-resolution to show in entire video display to show video content.Response
In the content of input video stream, system 302 shows multiple with being also an option that property in each single high-resolution video frame
Lower resolution video frame.Therefore, system can receive encoded video stream (504).In response to the reception of input video stream, input
The video frame of video flowing can be buffered in memory (such as DRAM) (506).Video frame (508) can be retrieved by decoder.Solution
Code device can be configured as the metadata (510) dismantled corresponding to each video frame.Based on metadata, system can identify input
Whether video flowing includes insertion, lower resolution video frame (512).
Although the metadata of this paper refers to the identification information of one or more frames corresponding to input video stream, first number
According to may also comprise for example comprising header file, mark various forms or with or video flowing receive other identification letter
Breath.Metadata can also by interpreter, internal or external controller, additional processor or be configured as identification input video
Other circuit parallels of the characteristic of stream are explained.Then, characteristic can be applied to decode and show input video stream by decoder.
In this embodiment, each frame of input video stream can be appointed as including with convention video (for example, entire by metadata
The single video flowing shown on display) the similar single frame aimed to show that.
If input video stream includes single frame, decodes single high-resolution video frame (514) and store it in
In memory.Then, high-resolution video (518) are retrieved from memory.Scaling high-resolution video as needed
(520).Then, high-resolution frame (524) are captured.In addition, for example by synthesizer then combined arrangement (526).It then, will be compared with
High-resolution video is provided to output video feed (528).
Metadata single frame can also be appointed as comprising be embedded in a part of high-resolution video frame (for example,
In different quadrants) multiple lower resolution video frames.If it is determined that having received the video including multiple lower resolution frames
Frame, then decoding includes the high-resolution video frame (536) of lower resolution video frame and stores it in memory.Method
It can continue to retrieve each lower resolution video frame (538) from memory.Then, scale and cut each high-resolution
The lower resolution frame (542) of frame.Then, by low resolution frame-grab to final video frame (544).It is then used to display
The capture of each video frame can be increased additional rendering content (546) by synthesizer.Synthesizer can will be embedded in individually compared with
Multiple low resolution videos in high-resolution video are exported to display (528).
Referring now to Figure 6, providing the diagram with the video frame of first resolution.First resolution video frame can have
First resolution format.In addition, the first resolution video frame with the first video format may include second resolution format
Multiple video frames.It may include three-dimensional content according to multiple video frames of the introduction of present disclosure.In this embodiment,
Single high-resolution video frame 602 can be implemented to show the multiple low resolutions that can be combined to create three-dimensional content
Frame.Each lower resolution video frame may include the corresponding video counts corresponding to single low resolution 3 D video frame
According to.
Lower resolution video frame may include video layer 604.Video layer 604 may further include two two dimensions (2D)
Video frame component 606.In addition, two video layers 604 may include three-dimensional (3D) enhancement-layer video component 608 (enhancement layer).Such as
It is shown, video layer 604 may include can be combined to create single 3D video frame two 2D video frame components 606 and two three
Dimension enhancing layer assembly 608.More specifically, 2D video frame 606 may include left stereo-picture 610 and right stereo-picture 612.3D increases
Strong layer 608 may include left enhancement layer depth map 614 and right enhancement layer depth map 616.Each low resolution layer can be combined
604 to form the single lower resolution video frame including 3D depth content.In an example, low resolution can be
1080p and high-resolution can be 4kx2k；However, it is possible to apply other resolution ratio according to the introduction of present disclosure.
Referring now to Figure 7, being shown according to the introduction of present disclosure for decoding the video flowing including 3D video content
The block diagram of system.Similar with the system of Fig. 3, system 702 can receive input high-definition video stream in decoder 704.Solution
Code device 704 can be cached with decoded input high-definition video stream and in memory 706 from the every of high-definition video stream
Multiple video frames of a frame.The metadata corresponding to multiple video frames can be explained to identify the characteristic or feature of video flowing.Such as
Fruit determines that input video stream includes the video layer corresponding to 3D content, and video feed device 708 can be retrieved including video layer 710
High-resolution frame.Video sealer 711 can cut, rearrange and scale lower from each of video feed device 708
Resolution video layer.Then, 3D rendering engine 712 can capture single 3D from combined low resolution video layer 710 and close
Framing.Video feed device 708 can be using 3D synthetic frame as output 3D video flowing outflow.Video feed device 708 can be by video
The frame rate that the speed control of stream is identified in the metadata.It can be by 3D video flowing and rendering graphical set in synthesizer 716
It shares in display 718.
In this embodiment, provided in single high-resolution video frame four video layers (710a, 710b, 710c,
710d).Four video layers can be combined to generate single, low resolution 3D video frame.When continuously generating, low resolution
3D video frame can form low resolution 3D video flowing.Method disclosed herein and system can be regarded in single high-resolution
Various low resolution video contents are combined in frequency frame.The example of low resolution content may include various video contents, section
Mesh, enhancement layer, interactive marketing information and multiple camera views.
Referring now to Figure 8, being shown according to the introduction of present disclosure for decoding the video flowing including 3D video content
The flow chart (802) of method.This method can be initialized (804) by receiving coding high-definition video stream.The view
Each frame of frequency stream can be buffered in memory, such as DRAM (806).Once at least one high-resolution video frame is
In buffer memory, it can be retrieved from memory high-resolution video frame (808).It is then possible to dismantle metadata to know
The characteristic (810) of not received video frame.From metadata, decoder can identify that high-resolution video frame includes 3D video
Frame.It is then possible to decode high-resolution video frame and store it in memory (812).After the decoding, video is presented
Send device that can retrieve from memory video frame (814).Then, video sealer can be with scaling video frame (816).Then, may be used
With in 3D rendering engine composite video frame to create single low resolution 3D video frame (818).Then, it such as can close
Middle combination 3D video frame of growing up to be a useful person and additional rendering figure (820).It can be presented 3D video frame as low resolution 3D video
Send output to display (822).
With reference to Fig. 9, the diagram of video frame is provided according to the introduction of present disclosure.Video frame have first resolution and
It can be set in the first frame rate.The video frame of first resolution may include have second resolution and the second frame rate more
A video frame.In one embodiment, high-resolution video frame 902 has the multiple lower resolution frames being embedded within.
High-resolution video frame 902 can have the resolution ratio of 4k x 2k and the frame rate of 60Hz.Multiple lower resolution video frames
904 may include four continuous 1080p frames of same video program, and each frame is 240Hz frame rate.Each low resolution
The frame rate that the frame rate of frame may compare higher resolution frame is three times greater, however resolution ratio may be three times small.
In this embodiment, single program (being denoted as program 1) can have four continuous frames, first frame 906, second
Frame 908, third frame 910 and the 4th frame 912.By the way that four lower resolution frames 904 are stored in high-resolution frame 902,
It is four times of frame rate of high-definition video stream that video flowing including high-resolution video frame, which can be configured as transmitting to have,
Low resolution video feed.In some embodiments, high-resolution video frame 902 can be the resolution ratio of 4kx2k
It can be the resolution ratio of 1080p with lower resolution video frame 904.In other embodiments, each high-resolution frame and
Lower resolution frame can respectively include different high and low frame resolution ratio.Another example of high-resolution frame can be tool
There is 7,680 x, 4,320 frame of pixels (8k) for 16 1080p frames being embedded in 8k frame.Another example may include insertion
4k x 2k frame in 8k frame.
Lower resolution frame 904 in this embodiment be arranged with the first frame 906 of left upper quadrant, right upper quadrant
4th frame 912 of two frames 908, the third frame 910 of left lower quadrant and right lower quadrant.Further indicated by the arrow of display frame sequential
The order.In some embodiments, each low resolution can be stored in the different quadrants of high-resolution frame 902
Frame.For example, first frame 906 can in left upper quadrant, the second frame 908 can in left lower quadrant, third frame 910 can upper right as
Limit and the 4th frame 912 can be in right lower quadrants.Another embodiment may include first frame 906 in left upper quadrant, the second frame
908 in right upper quadrant, and third frame 910 is in left lower quadrant and the 4th frame 912 in right lower quadrant.Discuss about the embodiment
The arrangement of lower resolution frame 904 is generally applicable to any embodiment discussed in the disclosure.
Referring now to Figure 10, showing the system 1002 for decoding the video frame with first resolution.With first point
The video frame of resolution may include having multiple video frames of second resolution and increased frame rate.System 1002 usually can be with
It include: decoder 1004, storage unit 1006, video sealer 1008 and synthesizer 1010.With the other embodiments of discussion
Similar, in response to input video stream, decoder can be activated.Then, decoder 1004 can be by input video stream at least
One frame buffer is in memory 1006 (such as DRAM).In this embodiment, input video stream may include multiple higher
Resolution video frame, each high-resolution video frame include four lower resolution video frames.
Using at least one the high-resolution video frame cached in memory 1006, decoder can dismantle be used for it is higher
The header information of resolution video frame and the characteristic for determining the lower resolution video frame being embedded in.As referred to Fig. 9 discussion, four
A lower resolution video frame may include the 1080p frame of four 240Hz.It can be identified and be decoded each lower by decoder 1004
Resolution video frame.Then, can be retrieved from memory 1006 by video feed device 1012 lower resolution video frame and by its
Supplied to video sealer 1008.In video sealer 1008, the single frame of four of single high-resolution frame can be cut out
Cut and be scaled target display resolution.Then, frame-grab unit 1014 can capture single frame and generate increased frame speed
The low resolution video flowing of rate.Then, synthesizer 1010 can increase additional video frame content and export video flowing
To display 1018.
Once video sealer 1008 cuts and scales the one or four frame, next high-resolution video frame can be retrieved
Four then frame.When handling input video stream, which can continue.System 1002 can be followed for from setting
The instruction of the sequence of lower resolution frame in each high-resolution frame of metadata in video streaming.From display
1018 outputting video streams may include continuously display it is lower to provide each of exercise data of enhancing in low resolution
Resolution video frame.Similar with other disclosed embodiments, the frame rate of low resolution and high-resolution video frame can
With variation.Also some examples of the combination of adaptable frame rate may include 30Hz and 120Hz, 50Hz and 100Hz,
120Hz and 120Hz and 480Hz etc..
With reference to Figure 11, the diagram of the video frame 1102 with the first bit depth of the introduction according to present disclosure is shown.
Bit depth can indicate the quantity for being used to indicate the position of the color of single pixel and can define color depth.In the embodiment party
In formula, video frame 1102 may include the first color depth and can have high-resolution (for example, 4kx2k).Video frame
1102 may further include multiple video frames 1104 with the second color depth.Multiple video frames 1104 may include four
Low resolution (for example, 1080p) video frame.In some embodiments, the first color depth can be defined than the second color
The low color depth accuracy of depth.In this example, the first color depth can be 12 and the second color depth can be with
It is 24.Color depth can define the quantity for being used to indicate the position of the color of each pixel of each video frame.
Although discussing color depth in this embodiment, bit depth can define other frames and pixel characteristic.Locating depth
Degree can refer to the accuracy of pixel components data and pixel color component.In some instances, bit depth can refer to the bright of pixel
Degree and coloration.It can be by may include 4: 2: 0,4: 2: 2,4: 2: 1,4: 1: 1,4: 1: 0,4: 4: 4 and other increment this programme
Multiple increment this method transmit pixel components data.In some embodiments, bit depth can refer to can further define it is attached
The image pixel intensities of the pixel data added.It includes that frame and pixel are special that various disclosed embodiments, which can further be combined to define,
Any combination of multiple portions video frame of property.
Multiple video frames 1104 can further define the first part of the most significant bit including the second color depth of frame
The second part video frame 1108 of video frame 1106 and the least significant bit including the second color depth.In this example, first
Partial video frame 1106 may include 12 most significant bits of the color depth of each pixel of the first video frame.Second
Point video frame 1108 may include 12 least significant bits of the color depth of each pixel of the second video frame.It can combine
First part's video frame 1106 and second part video frame 1108 are to form first video frame 1110 with the second color depth.
Multiple video frames 1104 can further define the Part III view of the most significant bit including the second color depth
The Part IV video frame 1114 of frequency frame 1112 and the least significant bit including the second color depth.With first part's video frame
1106 is similar, and Part III video frame 1114 may include 12 highests of the color depth of each pixel of the first video frame
Significance bit.In addition, second part video frame 1108 can be with the 12 of the color depth for each pixel for including the 4th video frame
The Part III video frame of a least significant bit is similar.Part III video frame 1112 and Part IV video frame can also be combined
1114 have second video of the second color depth (for example, twice of 24 accuracy or the first color depth) to be formed
Frame 1116.
When the first video frame 1110 and the second video frame are all the combinations using its corresponding partial video frame, the first view
Frequency frame 1110 and the second video frame 1116 can further define the sequence of lower resolution video frame 1118.Low resolution view
The sequence of frequency frame 1118 can correspond to the successive frame of the low pixel resolution video stream with the second color depth.Pass through combination
Partial video frame 1106 to 1108 and partial video frame 1110 to 1112 are to form the low resolution with the second color depth
The sequence of video frame 1118, the sequence of lower resolution video frame can with spread in these similar systems disclosed herein
It is defeated.
Although the first color depth and the second color depth in the example are 12 and 24 respectively, it is equally applicable
Other combinations of color depth.Other examples of color depth combination may include 8 and 16,6 and 12 and 4
With 8 color depths.Video frame 1102 with the first color depth and multiple video frames 1104 with the second color depth
Also it can change pixel resolution.In one embodiment, the video frame with the first color depth can have 8k resolution
Rate and multiple video frames with second resolution can have 1080p resolution ratio.In this embodiment, there is second point
Multiple video frames of resolution may include eight partial video frames.Eight partial video frames can be combined to be formed and there is the second face
Four lower resolution video frames of color depth.It can also be according to other groups of present disclosure application color depth and resolution ratio
It closes.
Similar with other processing of present disclosure introduction, the low resolution video flowing with the second color depth can be with
It is transmitted in the high-definition video stream with the first color depth.It, can be with when receiving each frame of high-definition video stream
Each frame is cached in the memory unit.Then, decoder can decompress the frame of high-resolution stream.It is then possible to explain adjoint
The metadata of the frame of high-definition video stream includes multiple portions with low resolution with the frame for identifying high-definition video stream
Divide video frame.Can cut in scaler and combine the partial video frame with low resolution has the second color to be formed
Multiple lower resolution video frames of depth.It is then possible to by each lower resolution video frame with the second color depth
Capture is into frame-grab unit and exports for showing.
It should be noted that various modules described herein and/or circuit (for example, coding module and/or circuit, decoder module and/
Or the rate adaptation module and/or circuit etc. of circuit, encoder) it can be single processing equipment or multiple processing equipment.This
Kind processing equipment can be microprocessor, microcontroller, digital signal processor, microcomputer, central processing unit, scene
Programmable gate array, programmable logic device, state machine, logic circuit, analog circuit, digital circuit, and/or referred to based on operation
Enable any equipment for carrying out operation signal (analog and/or digital).Operational order is storable in memory.Memory can be list
A storage equipment or multiple storage equipment.This storage equipment can be read-only memory (ROM), random access memory
(RAM), volatile memory, nonvolatile memory, static memory, dynamic memory, flash memory, and/or storage
Any equipment of digital information.Note that when processing module is real by state machine, analog circuit, digital circuit and/or logic circuit
When applying mode one or more function, the memory of storage corresponding operating instruction can be embedded into circuit, which includes
State machine, analog circuit, digital circuit and/or logic circuit.In this embodiment, memory stores, and is couple to that
Processing module execute correspond to herein illustrate and/or describe at least some steps and/or function operational order.
The each of present disclosure is described by means of showing the formation function module of the performance of certain critical functions above
A aspect.For the convenience of description, the boundary of these formation function modules is any definition.As long as certain critical functions are appropriate
Ground executes, so that it may define alternative boundary.Similarly, flow chart is also arbitrarily defined certain important to illustrate herein
Function.For use to a certain degree, the boundary of flow chart and sequence can be otherwise defined, as long as remaining to execute these important
Function.Therefore this alternative definitions of formation function module and flow chart block and sequence fall into the model of claimed disclosure
Within enclosing and being spiritual.
It will be apparent to those skilled in that understanding, foregoing description is intended to illustrate the principle of disclosure.The description is not
It is expected that limiting the scope of the disclosure or applying, because not departing from present disclosure as defined by the following claims
In the case where spirit, disclosure can be modified, alterations and modifications.
Claims (26)
1. a kind of method for video processing, which comprises
The first video flowing including first resolution video frame is received, at least one of described first resolution video frame is determined
Justice be include multiple second resolution video frames；
Presentation user inputs selection；And
The first operator scheme of the multiple second resolution video frame is shown at the same time and shows the multiple second resolution
It is selected between the second operator scheme of the scaled version of one of video frame.
2. according to the method described in claim 1, wherein, the first resolution video frame is than the second resolution video frame
Pixel with greater number.
3. according to the method described in claim 2, wherein, the number for the pixel that the first resolution video frame has is described
Four times of second resolution video frame.
4. according to the method described in claim 1, wherein, the one in the multiple second resolution video frame it is described
Scaled version has the pixel of greater number than the multiple second resolution video frame.
5. according to the method described in claim 4, wherein, the one in the multiple second resolution video frame it is described
In scaled version and the first resolution video frame it is described at least one with equal number of pixel.
6. according to the method described in claim 1, wherein, each of the multiple second resolution video frame includes difference
Program.
7. according to the method described in claim 1, further comprising: receiving the first resolution in Video Codec
Frame.
8. according to the method described in claim 7, further comprising: being cut from the first resolution video frame described more
A second resolution video frame.
9. according to the method described in claim 1, wherein, the first resolution video frame is 4k × 2k video frame, described
Two resolution video frames are 1080p video frames.
10. a kind of equipment for handling video data, the video data include being embedded in high definition video data
Low resolution video data, the equipment include:
Memory cell；
Processor is operatively coupled to the memory cell, and the processor is configured to:
High-resolution video frame is buffered in the memory cell, the high-resolution video frame includes multiple lower
Resolution video frame；And
The first operator scheme of the multiple lower resolution video frame is rendered at the same time and renders the multiple low resolution
It is selected between the second operator scheme of the scaled version of one of video frame.
11. equipment according to claim 10, wherein the high-resolution video frame includes 4 low resolution views
Frequency frame.
12. equipment according to claim 10, wherein each of the multiple lower resolution video frame includes not
Same program.
13. equipment according to claim 10, wherein the institute of the one in the multiple lower resolution video frame
State the pixel that scaled version has greater number than the multiple lower resolution video frame.
14. equipment according to claim 13, wherein the institute of the one in the multiple lower resolution video frame
Stating scaled version and the high-resolution video frame has equal number of pixel.
15. a kind of system for handling video data, the system comprises:
Memory cell；
Frame processing unit, is operatively coupled to the memory cell, and the frame processing unit is configured to retrieve multiple
High-resolution video frame, extracts multiple lower resolution video frames from the high-resolution video frame, and will it is described compared with
Low resolution video frame is stored in the memory cell；And
Video output unit, is operatively coupled to the memory cell, and the video output unit is selectively shown
The scaled version of one of the multiple lower resolution video frame or the multiple lower resolution video frame of display.
16. system according to claim 15, wherein the institute of the one in the multiple lower resolution video frame
State the pixel that scaled version has greater number than the multiple lower resolution video frame.
17. system according to claim 16, wherein the institute of the one in the multiple lower resolution video frame
Stating scaled version and the high-resolution video frame has equal number of pixel.
18. system according to claim 15, wherein the high-resolution video frame is than the low resolution video
Frame has the pixel of greater number.
19. system according to claim 18, wherein the number for the pixel that the high-resolution video frame has is institute
Four times for stating lower resolution video frame.
20. system according to claim 15, wherein each frame in the multiple lower resolution video frame includes not
Same program.
21. a kind of system for handling video data, the system comprises:
Memory cell；
Frame processing unit, is operatively coupled to the memory cell, and the frame processing unit is configured to retrieve multiple
Lower resolution video frame extracts the lower resolution video frame from high-resolution video frame, and will be described compared with high score
Resolution video frame is stored in the memory cell；
Decoder is operatively coupled to the memory cell, and the decoder includes at least one module, it is described at least
One module, which is configured to, decodes institute before extracting the lower resolution video frame in the high-resolution video frame
State high-resolution video frame.
22. system according to claim 21, wherein the high-resolution video frame definition is than the low resolution
The low frame rate of video frame.
23. system according to claim 21, wherein each framing bit in the multiple lower resolution video frame is in institute
In the region for stating high-resolution video frame.
24. system according to claim 21, wherein each frame in the multiple lower resolution video frame includes three
Tie up the component frame of video frame.
25. system according to claim 24, wherein at least one frame packet in the multiple lower resolution video frame
Include two-dimensional video content.
26. system according to claim 24, wherein at least one of the multiple lower resolution video frame is corresponding
Frame includes three dimensional depth layer content.
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| DE102014207607A1 (en) | 2014-10-30 |
| DE102014207607B4 (en) | 2019-09-19 |
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