WO2015070373A1

WO2015070373A1 - Method and apparatus for converting multimedia content direction and terminal device

Info

Publication number: WO2015070373A1
Application number: PCT/CN2013/086944
Authority: WO
Inventors: 熊元峰; 朱海涛
Original assignee: 华为终端有限公司
Priority date: 2013-11-12
Filing date: 2013-11-12
Publication date: 2015-05-21

Abstract

Disclosed are a method and apparatus for converting a multimedia content direction and a terminal device. The method comprises: detecting an offset angle of a current photographing direction deviating from a reference direction; saving the multimedia content obtained by photographing, wherein the offset angle comprises any angle of 0 degrees to 360 degrees; calculating to obtain a rotation angle according to the offset angle; and performing rotation processing on the multimedia content obtained by photographing on the basis of the rotation angle and the reference direction, and saving the multimedia content obtained after rotation processing. The method for converting a multimedia content direction in the embodiments of the present invention can automatically identify and adjust the direction of the multimedia content obtained by photographing so as to enable the direction of the processed multimedia content to be a front viewing angle always. The method is simple and convenient, and enables a user to photograph and process multimedia content, avoiding modifying the direction of the multimedia content manually through image processing software when the user exports the obtained multimedia content to a terminal for viewing.

Description

Method, device and terminal device for converting multimedia content direction

The present invention relates to the field of image processing, and in particular, to a multimedia content direction conversion method, apparatus, and terminal device. Background technique

With the rapid development of the smart terminal industry, smart terminals have become an indispensable part of people's lives. In the process of shooting or taking pictures with smart terminals, often the multimedia content is not due to the direction of shooting or photography deviating from the reference direction. From the normal perspective, when the multimedia content is exported to other terminals for playback, it is further changed to a normal viewing angle by some image processing software, the operation procedure is complicated, the misoperation is easy, and the hardware and software resources of the terminal are wasted. Summary of the invention

Embodiments of the present invention provide a multimedia content direction conversion method and apparatus, and a terminal device, which can automatically obtain multimedia content according to a specified reference direction at the time of shooting.

A first aspect of the present invention provides a multimedia content direction conversion method, including:

Detecting an offset angle of the current shooting direction from the reference direction, and buffering the captured multimedia content, the offset angle includes: any angle between 0 degrees and 360 degrees;

Calculating a rotation angle according to the offset angle, and performing rotation processing on the cached multimedia content based on the rotation angle and the reference direction;

Save the multimedia content obtained after the rotation process.

With reference to the first aspect, in a first possible implementation manner of the first aspect, the detecting an offset angle of the current shooting direction from the reference direction, and buffering the captured multimedia content, including: detecting by the gravity sensing sensor The current shooting direction is offset from the reference direction; the captured multimedia content is cached.

With reference to the first aspect, and the first possible implementation manner of the first aspect, in a second possible implementation of the first aspect, the calculating a rotation angle according to the offset angle, and based on the - - Rotate the angle and the reference direction to rotate the captured multimedia content, including:

360 degrees minus the offset angle to get the rotation angle;

The captured multimedia content is rotated by matrix conversion based on the rotation angle and the reference direction.

With reference to the first aspect, and the first possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the calculating a rotation angle according to the offset angle, and based on the rotation The angle and the reference direction rotate the captured multimedia content, including:

360 degrees minus the offset angle to get the rotation angle;

Based on the rotation angle and the reference direction, the built-in image processing application for performing graphics rotation is called to rotate the captured multimedia content.

With reference to the first aspect, or the first possible implementation of the first aspect, or the second possible implementation of the first aspect, or the third possible implementation of the first aspect, in the first aspect In the four possible implementation manners, the saving the multimedia content obtained after the rotation processing comprises:

Carrying a rotation identifier in the multimedia content obtained by the rotation processing, the rotation identifier includes: a rotation angle and a reference direction;

The multimedia content carrying the rotation logo after the rotation processing is saved.

With reference to the first aspect, or the first possible implementation of the first aspect, or the second possible implementation of the first aspect, or the third possible implementation of the first aspect, or the first aspect In a fourth possible implementation manner of the first aspect, the method further includes: transmitting, by the rotating processing, the multimedia content carrying the rotation identifier to the peer device, so that the peer end The device performs display processing.

A second aspect of the present invention provides another multimedia content direction conversion method, including:

Receiving multimedia content;

Detecting whether the received multimedia content includes a rotation identifier, where the rotation identifier comprises: a rotation angle and a reference direction;

If the rotation identifier is included, the peer device performs display processing on the received multimedia content according to the rotation identifier to display the received multimedia content.

With reference to the second aspect, in a first possible implementation manner of the second aspect, - rotating the identifier, the peer device performs display processing on the received multimedia content according to the rotation identifier to display the received multimedia content, including:

Rotating the received multimedia content according to a rotation angle and a reference direction in the rotation identifier;

The multimedia content received after processing is displayed.

A third aspect of the invention provides a computer storage medium, the computer storage medium storing a program, the program comprising the steps of the first aspect and the second aspect as claimed in the claims.

A fourth aspect of the present invention provides a multimedia content direction conversion apparatus,

a detection module, configured to detect an offset angle of the current shooting direction from the reference direction, and buffer the captured multimedia content, where the offset angle includes: any angle between 0 degrees and 360 degrees; Calculating a rotation angle according to the offset angle, and rotating the cached multimedia content based on the rotation angle and the reference direction;

The storage module is configured to save the multimedia content obtained after the rotation processing.

With reference to the fourth aspect, in a first possible implementation manner of the fourth aspect, the detecting module includes:

a detecting unit, configured to detect, by the gravity sensing sensor, an offset angle of the current shooting direction from the reference direction;

a cache unit, configured to cache the captured multimedia content.

With reference to the fourth aspect, and the first possible implementation manner of the fourth aspect, in the second possible implementation manner of the fourth aspect, the processing module includes:

a first calculating unit, configured to obtain a rotation angle by subtracting an offset angle by 360 degrees;

And a first execution unit, configured to rotate the captured multimedia content by matrix transformation based on the rotation angle and the reference direction.

With reference to the fourth aspect, and the first possible implementation manner of the fourth aspect, in the third possible implementation manner of the fourth aspect, the processing module includes:

a second calculating unit, configured to obtain a rotation angle by subtracting an offset angle by 360 degrees;

And a second execution unit, configured to invoke the built-in image processing application for performing graphics rotation to rotate the captured multimedia content based on the rotation angle and the reference direction.

In combination with the fourth aspect, or the first possible implementation of the fourth aspect, or the fourth aspect The second possible implementation manner, or the third possible implementation manner of the fourth aspect, in the fourth possible implementation manner of the fourth aspect, the the storage module includes:

a first storage unit, configured to carry a rotation identifier in the multimedia content obtained by the rotation processing, where the rotation identifier comprises: a rotation angle and a reference direction;

The second storage unit is configured to save the multimedia content carrying the rotation identifier after the rotation processing. With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, or the second possible implementation manner of the fourth aspect, or the third possible implementation manner of the fourth aspect, or the fourth aspect In a fourth possible implementation manner of the fourth aspect, the method further includes: a sending module, configured to send, by the rotating processing, the multimedia content that carries the rotation identifier to the peer device, The peer device is caused to perform display processing.

A fifth aspect of the present invention provides another multimedia content direction conversion apparatus, including:

a receiving module, configured to receive multimedia content;

a control module, configured to detect whether the received multimedia content includes a rotation identifier, where the rotation identifier comprises: a rotation angle and a reference direction;

a display module, configured to display, by the peer device, the received multimedia content according to the rotation identifier to display the received multimedia content, if the rotation identifier is included.

With reference to the fifth aspect, in a first possible implementation manner of the fifth aspect, the display module includes:

a processing unit, configured to perform rotation processing on the received multimedia content according to a rotation angle and a reference direction in the rotation identifier;

a display unit, configured to display the received multimedia content.

A sixth aspect of the present invention provides a terminal device, including a camera device, a processor, and a memory, where the processor is configured to:

Controlling to detect an offset angle of the current shooting direction of the camera device from the reference direction, and controlling the memory to save the captured multimedia content, where the offset angle includes: any angle between 0 degrees and 360 degrees, according to The offset angle is calculated to obtain a rotation angle, and the captured multimedia content is rotated based on the rotation angle and the reference direction, and the memory is controlled to save the multimedia content obtained after the rotation processing.

With reference to the sixth aspect, in a first possible implementation manner of the sixth aspect, the terminal device further - - including a gravity sensing sensor, the detected offset angle of the current shooting direction from the reference direction is saved, and the captured multimedia content is saved, specifically for:

The gravity sensing sensor detects an angle of the current shooting direction from the reference direction, and the control memory saves the captured multimedia content.

With reference to the sixth aspect, and the first possible implementation manner of the sixth aspect, in a second possible implementation manner of the sixth aspect, the calculating a rotation angle according to the offset angle, and based on the rotation The angle and the reference direction are rotated by the captured multimedia content, specifically for: 360 degrees minus the offset angle to obtain a rotation angle;

With reference to the sixth aspect, and the first possible implementation manner of the sixth aspect, in a third possible implementation manner of the sixth aspect, the calculating a rotation angle according to the offset angle, and based on the rotation The angle and the reference direction rotate the captured multimedia content, specifically for:

360 degrees minus the offset angle to get the rotation angle;

With reference to the sixth aspect, or the first possible implementation manner of the sixth aspect, or the second possible implementation manner of the sixth aspect, or the third possible implementation manner of the sixth aspect, In four possible implementation manners, the controlling the memory to save the multimedia content obtained after the rotation processing is specifically used to:

With reference to the sixth aspect, or the first possible implementation manner of the sixth aspect, or the second possible implementation manner of the sixth aspect, or the third possible implementation manner of the sixth aspect, or the sixth aspect In a fourth possible implementation manner of the sixth aspect, the processor is further configured to: send the rotated processed multimedia content that carries the rotation identifier to the peer device, The peer device is caused to perform display processing.

A seventh aspect of the present invention provides another terminal device, including a display device and a processor, where - - The processor is used to:

Controlling the receiving of the multimedia content, and controlling whether the multimedia content includes a rotation identifier, the rotation identifier includes: a rotation angle and a reference direction, and the peer device controls the display device to display the rotation correspondingly according to the rotation identifier Multimedia content and/or multimedia content of the shooting direction.

With reference to the seventh aspect, in a first possible implementation manner of the seventh aspect, the display device includes:

The multimedia content obtained after the processing is displayed.

The multimedia content direction conversion method of the embodiment of the present invention can automatically recognize and adjust the direction of the captured multimedia content during shooting, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user. Convenience, convenient for users to shoot and process multimedia content. When the user exports the obtained multimedia content to the terminal for viewing, the operation program is simple, and it is not easy to cause misoperation, thereby saving the software and hardware resources of the terminal. DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the embodiments will be briefly described below. Obviously, the drawings in the following description are only the present invention. In some embodiments, other drawings may be obtained from those of ordinary skill in the art in light of the inventive work.

1 is a schematic flowchart of a method for converting a multimedia content direction according to a first embodiment of the present invention;

2 is a schematic flowchart of a method for converting a multimedia content direction according to a second embodiment of the present invention;

3 is a schematic flowchart of a method for converting a multimedia content direction according to a third embodiment of the present invention;

4 is a schematic flowchart of a method for converting a multimedia content direction according to a fourth embodiment of the present invention;

5 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a fifth embodiment of the present invention; FIG. 6 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a sixth embodiment of the present invention; Schematic diagram of the structure; 8 is a schematic structural diagram of a multimedia content direction conversion apparatus according to an eighth embodiment of the present invention; FIG. 9 is a schematic structural diagram of a terminal apparatus according to a ninth embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a terminal device according to a tenth embodiment of the present invention. detailed description

BRIEF DESCRIPTION OF THE DRAWINGS The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

1 is a schematic flowchart of a method for converting a multimedia content direction according to a first embodiment of the present invention. The multimedia content of the embodiment of the present invention includes a video, an image, and the like, and the method includes:

5101. The mobile terminal detects an offset angle of the current shooting direction from the reference direction, and caches the multimedia content obtained by the shooting.

Specifically, the reference direction is a preset direction, and the offset angle may be any angle between 0 degrees and 360 degrees.

It should be understood that the mobile terminal detects the offset angle of the current photographing direction from the reference direction by the gravity sensing sensor.

5102. The mobile terminal calculates a rotation angle according to the offset angle, and performs rotation processing on the cached multimedia content based on the rotation angle and the reference direction.

Specifically, the method for calculating the rotation angle is: a rotation angle=360 degrees-offset angle. For example, if the offset angle is 90 degrees, the rotation angle is 270 degrees, and the offset angle is 180 degrees, then the rotation angle is It is 180 degrees. The direction of rotation in the reference direction is the direction of rotation.

5103. The mobile terminal saves the multimedia content obtained by performing the rotation processing.

Specifically, the mobile terminal carries a rotation identifier in the multimedia content obtained after the rotation processing, where the rotation identifier is used to restore the multimedia content obtained by the rotation processing to the multimedia content in the shooting direction, and the rotation identifier includes: a rotation angle and a reference direction.

The mobile terminal according to the embodiment of the present invention includes: a mobile electronic device with a camera such as a mobile phone, a PDA, a tablet computer, or the like. The multimedia content direction conversion method of the embodiment of the present invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user. Conveniently, it provides convenience for users to shoot and process multimedia content. When the user exports the obtained multimedia content to the terminal for viewing, the operation program is simple, and it is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.

2 is a schematic flowchart of a method for converting a multimedia content direction according to a second embodiment of the present invention. The multimedia content of the embodiment of the present invention includes a video, an image, and the like, and the method includes:

5201. The mobile terminal detects an offset angle of the current shooting direction from the reference direction, and saves the captured multimedia content.

5202. The mobile terminal calculates a rotation angle according to the offset angle.

Specifically, the calculation method is: a rotation angle=360 degrees-offset angle. For example, if the offset angle is 90 degrees, the rotation angle is 270 degrees, and the offset angle is 180 degrees, the rotation angle is 180 degrees. . The direction of rotation in the reference direction is the direction of rotation.

5203. The mobile terminal rotates the cached multimedia content by a matrix transformation manner or by calling a built-in image processing application for performing graphics rotation based on the rotation angle and the reference direction.

Specifically, the rotation processing may be implemented by performing an operation on a matrix representing the graphics coordinates, where the operation includes a point multiplication operation, that is, the transformed vertex coordinate matrix is obtained by multiplying the transformation matrix by the graphic vertex coordinate matrix of the original multimedia content. Thereby, the cached multimedia content is rotated.

In addition, the rotation process can also be implemented by calling the built-in image processing application for graphics rotation, for example, by calling the built-in Ulead Video Studio, Adobe Photoshop, etc. Perform a rotation process.

5204. The mobile terminal saves the multimedia content obtained by performing the rotation process.

Specifically, the mobile terminal carries the rotation identifier in the multimedia content obtained after the rotation processing, - the rotation identifier is used to restore the multimedia content obtained after the rotation processing to the multimedia content in the shooting direction, and the rotation identifier comprises: a rotation angle and a reference direction.

The mobile terminal according to the embodiment of the present invention includes: a mobile electronic device with a camera such as a mobile phone, a PDA, or a tablet computer.

The multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content. When the user exports the obtained multimedia content to the terminal for viewing, the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.

3 is a schematic flowchart of a method for converting a multimedia content direction according to a third embodiment of the present invention. The multimedia content of the embodiment of the present invention includes a video, an image, and the like, and the method includes:

5301. The mobile terminal detects an offset angle of the current shooting direction from the reference direction, and caches the multimedia content obtained by the shooting.

5302. The mobile terminal calculates a rotation angle according to the offset angle, and performs rotation processing on the cached multimedia content based on the rotation angle and the reference direction.

Specifically, the rotation processing may be implemented by performing an operation on a matrix representing graphics coordinates, where the operation includes a dot multiplication operation of the matrix, that is, using the original vertex coordinate matrix of the multimedia content to multiply the transformation matrix to obtain the transformed graphics. The vertex coordinate matrix is used to rotate the captured multimedia content.

Rotation processing can also be achieved by calling the built-in image processing application for graphics rotation, for example, by calling the built-in Ulead Video Studio, Adobe Photoshop, and other applications to rotate the cached multimedia content. - -

S303. The mobile terminal saves the multimedia content obtained by performing the rotation processing.

Specifically, the mobile terminal carries a rotation identifier in the multimedia content obtained after the rotation processing, where the rotation identifier is used to restore the multimedia content obtained after the rotation processing to the captured multimedia content, where the rotation identifier includes: a rotation angle and a reference direction.

S304. The mobile terminal sends the rotated multimedia content that carries the rotation identifier to the peer device, so that the peer device performs display processing.

Specifically, the mobile terminal sends the rotated multimedia content that carries the rotation identifier to the peer device, and the peer device can restore the rotated multimedia content to the multimedia content at the time of shooting according to the rotation identifier. It is also possible to directly display the multimedia content obtained after the rotation processing.

4 is a schematic flowchart of a method for converting a multimedia content direction according to a fourth embodiment of the present invention. The multimedia content of the embodiment of the present invention includes a video, an image, and the like, and the method includes:

5401. The peer device receives the multimedia content.

Specifically, the peer device receives the multimedia content sent by the mobile terminal, and the peer device according to the embodiment of the present invention includes: an electronic device having a display device, such as a computer or a tablet computer.

S402: The peer device detects whether the received multimedia content includes a rotation identifier.

Specifically, the rotation identifier is used to restore the received multimedia content to the captured multimedia content, and the rotation identifier includes: a rotation angle and a reference direction.

S403. If the rotation identifier is included, the peer device performs display processing on the received multimedia content according to the rotation identifier to display the received multimedia content.

Specifically, if the peer device detects that the received multimedia content includes a rotation identifier, the received multimedia content may be restored to the multimedia content in the shooting direction according to the rotation identifier, or the received multimedia content may be directly displayed. - It should be understood that the peer device according to the embodiment of the present invention includes: an electronic device having a display device such as a computer or a tablet computer.

The embodiment of the present invention provides a computer storage medium, wherein the computer storage medium may store a program, and the program includes some or all of the multimedia content direction conversion method described in the method embodiments of FIG. 1 to FIG. step.

The multimedia content direction conversion device and the terminal device will be described in detail below with reference to FIGS. 5 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a fifth embodiment of the present invention. The apparatus 1 can be used in a mobile terminal, where the apparatus 1 includes: a detection module 10, a processing module 11, and a storage module 12, where

The detecting module 10 is configured to detect an offset angle of the current shooting direction from the reference direction, and buffer the captured multimedia content.

It should be understood that the offset angle of the current photographing direction from the reference direction is detected by the gravity sensing sensor.

The processing module 11 is configured to calculate a rotation angle according to the offset angle, and perform rotation processing on the cached multimedia content based on the rotation angle and the reference direction.

Specifically, the method for calculating the rotation angle is: a rotation angle=360 degrees-offset angle. For example, if the offset angle is 90 degrees, the rotation angle is 270 degrees, and the offset angle is 180 degrees, then the rotation angle is It is 180 degrees. Rotate in the reference direction to the direction of rotation.

The storage module 12 is configured to save the multimedia content obtained after the rotation processing.

Specifically, before the multimedia content obtained after the rotation processing is saved, the multimedia content obtained after the rotation processing is carried, and the rotation identifier is used to restore the multimedia content obtained by the rotation processing to the multimedia direction of the shooting direction. Content, rotation logo includes: rotation angle and base - - Quasi-direction.

6 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a sixth embodiment of the present invention, and the apparatus shown in FIG. 6 is optimized by the apparatus 1 shown in FIG. 5, and the apparatus shown in FIG. The processing module 11 includes: a first computing unit 111, a first executing unit 112, a second computing unit 113, and a second executing unit 114. The storage module 12 includes: a first storage unit 121 The second storage unit 122, wherein

The first calculating unit 111 obtains the rotation angle by subtracting the offset angle by 360 degrees.

The first executing unit 112 is configured to perform, by using a matrix transformation manner, the cached multimedia content to be rotated according to the rotation angle and the reference direction.

Specifically, the rotation processing can be realized by computing a matrix representing the coordinate of the graphic, that is, by multiplying the transformation matrix by the graphic vertex coordinate matrix of the original multimedia content to obtain the transformed graphic vertex coordinate matrix, thereby realizing the multimedia content obtained by the buffering. Perform a rotation process.

The second calculating unit 113 obtains a rotation angle by subtracting the offset angle by 360 degrees;

The second executing unit 114 is configured to invoke the built-in image processing application for performing graphics rotation to rotate the cached multimedia content based on the rotation angle and the reference direction.

Specifically, the rotation process can also be implemented by calling the built-in image processing for graphics rotation, for example, by calling the built-in Ulead Video Studio, Adobe.

Applications such as Photoshop rotate the cached multimedia content.

The first calculation unit 111 and the second calculation unit 114 calculate the rotation angle by rotating angle=360 degrees-offset angle. For example, if the offset angle is 90 degrees, the rotation angle is 270 degrees, and the offset angle is At 180 degrees, the angle of rotation is 180 degrees. Rotate in the reference direction to the direction of rotation.

The storage module 12 includes: a first storage unit 121 and a second storage unit 122, wherein the first storage unit 121 is configured to carry a rotation identifier in the multimedia content obtained by the rotation processing. Specifically, the rotation identifier is used to restore the multimedia content obtained after the rotation processing to the captured multimedia content, where the rotation identifier comprises: a rotation angle and a reference direction.

The second storage unit 122 is configured to save the multimedia content carrying the rotation identifier after the rotation processing.

FIG. 7 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a seventh embodiment of the present invention. The apparatus shown in FIG. 7 is optimized by the apparatus 1 shown in FIG. 6, and the apparatus shown in FIG. In addition to the module included in the device shown in FIG. 6, the transmission module 13 is further included, wherein

The sending module 13 is configured to send the rotated multimedia content that carries the rotation identifier to the peer device, so that the peer device performs display processing.

Specifically, the mobile terminal sends the rotated multimedia content that carries the rotation identifier to the peer device, and the peer device can restore the rotated multimedia content to the multimedia content in the shooting direction according to the rotation identifier. It is also possible to directly display the multimedia inner valley obtained after the rotation processing.

FIG. 8 is a schematic structural diagram of a multimedia content direction conversion apparatus according to an eighth embodiment of the present invention. The device 2 can be used for an electronic device having a display device, such as a computer or a tablet computer, and the device 2 includes: a receiving module 21 and a control module 22 Display module 23, wherein

The receiving module 21 is configured to receive multimedia content.

The control module 22 is configured to detect whether the received multimedia content includes a rotation identifier.

Specifically, the rotation identifier is used to restore the received multimedia content to a multimedia direction of a shooting direction. - - Body content, rotation logo includes: rotation angle and reference direction.

The display module 23 is configured to: if the rotation identifier is included, the peer device performs display processing on the received multimedia content according to the rotation identifier to display the received multimedia content.

The display module 23 further includes:

The processing unit 231 is configured to perform rotation processing on the received multimedia content according to the rotation angle and the reference direction in the rotation identifier.

The display unit 232 is configured to display the received multimedia content.

Specifically, if the peer device detects that the received multimedia content includes a rotation identifier, the received multimedia content may be restored to a multimedia content in a shooting direction according to the rotation identifier, or the received multimedia content may be directly displayed.

Referring to FIG. 9, a schematic diagram of a structure of a terminal device according to a ninth embodiment of the present invention, the terminal device 3 includes: an image capturing device 31, a processor 32, and a memory 33, wherein the processor 32 is configured to:

Controlling, detecting an offset angle of a current shooting direction of the camera device 31 from a reference direction, and controlling the memory 33 to buffer the captured multimedia content, wherein the offset angle includes: any angle between 0 degrees and 360 degrees Calculating a rotation angle according to the offset angle, and rotating the cached multimedia content based on the rotation angle and the reference direction, and controlling the memory to save the multimedia content obtained after the rotation processing.

The terminal device 3 further includes a gravity sensing sensor for: detecting, by the gravity sensing sensor, an angle of the current shooting direction from the reference direction.

Calculating the rotation angle according to the offset angle, and performing the rotation processing on the cached multimedia content based on the rotation angle and the reference direction, specifically including:

360 degrees minus the offset angle to get the rotation angle;

The cached multimedia content is rotated by matrix transformation based on the rotation angle and the reference direction. - the calculating the rotation angle according to the offset angle, and performing the rotation processing on the cached multimedia content based on the rotation angle and the reference direction, specifically including:

360 degrees minus the offset angle to get the rotation angle;

Based on the rotation angle and the reference direction, the built-in image processing application for performing graphics rotation is invoked to rotate the cached multimedia content.

The controlling the memory to save the multimedia content obtained after the rotation processing comprises: carrying the rotation identifier in the multimedia content obtained by the rotating processing, where the rotation identifier comprises: a rotation angle and a reference direction;

The processor 32 is further configured to: send the rotated multimedia content carrying the rotation identifier to the peer device, so that the peer device performs display processing.

10 is a schematic structural diagram of a terminal device according to a tenth embodiment of the present invention. The terminal device 4 includes: a display device 41 and a processor 42. The processor 42 is configured to:

Controlling the receiving of the multimedia content, and controlling whether the multimedia content includes a rotation identifier, the rotation identifier includes: a rotation angle and a reference direction, and controlling, according to the rotation identifier, the display device 41 to display the multimedia content obtained after the rotation and / or the multimedia content obtained by the shooting.

The display device 41 is configured to: perform rotation processing on the received multimedia content according to a rotation angle and a reference direction in the rotation identifier;

The multimedia content obtained after the processing is displayed.

The multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content. When the user exports the obtained multimedia content to the terminal for viewing, the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved. One of ordinary skill in the art will appreciate that various aspects of the present invention, or possible implementations of various aspects, can be embodied as a system, method, or computer program product. Furthermore, aspects of the invention, or possible implementations of various aspects, may take the form of a computer program product, which is a computer readable program code stored in a computer readable medium.

The computer readable medium can be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium includes, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any suitable combination of the foregoing, such as random access memory (RAM), read only memory (ROM), Erase programmable read-only memory (EPROM or flash memory), optical fiber, portable read-only memory (CD-ROM).

The processor in the computer reads the computer readable program code stored in the computer readable medium such that the processor is capable of performing the various functional steps specified in each step or combination of steps in the flowchart; A device that functions as specified in each block, or combination of blocks.

The computer readable program code can execute entirely on the user's computer, partly on the user's computer, as a separate software package, partly on the user's local computer and partly on the remote computer, or entirely on the remote computer or server. carried out. It should also be noted that in some alternative implementations, the functions noted in the various steps in the flowcharts or in the blocks in the block diagrams may not occur in the order noted. For example, two steps, or two blocks shown in succession may be executed substantially concurrently, or the blocks may sometimes be performed in the reverse order, depending on the functionality involved. The spirit and scope of the Ming. Thus, it is intended that the present invention cover the modifications and variations of the inventions

Claims

Rights request

1. A multimedia content direction conversion method, characterized by including:

Detect the offset angle of the current shooting direction from the reference direction, and cache the multimedia content obtained by the shooting. The offset angle includes: any angle between 0 degrees and 360 degrees;

Calculate the rotation angle according to the offset angle, and perform rotation processing on the cached multimedia content based on the rotation angle and the reference direction;

Save the multimedia content obtained after rotation.

2. The method according to claim 1, characterized in that, upon detecting the offset angle of the current shooting direction from the reference direction, caching the multimedia content obtained by shooting, including;

The offset angle of the current shooting direction from the reference direction is detected by the gravity sensor; and the multimedia content obtained by the shooting is cached.

3. The method according to claim 1 or 2, characterized in that: the rotation angle is calculated based on the offset angle, and the captured multimedia content is rotated based on the rotation angle and the reference direction. , include:

Subtract the offset angle from 360 degrees to get the rotation angle;

Based on the rotation angle and the reference direction, the captured multimedia content is rotated through matrix transformation.

4. The method according to claim 1 or 2, characterized in that: the rotation angle is calculated based on the offset angle, and the captured multimedia content is rotated based on the rotation angle and the reference direction. , include:

Subtract the offset angle from 360 degrees to get the rotation angle;

Based on the rotation angle and the reference direction, a built-in image processing application for graphics rotation is called to rotate the captured multimedia content.

5. The method according to claims 1-4, characterized in that the saving of the multimedia content obtained after rotation processing includes:

The multimedia content obtained by the rotation process carries a rotation identifier, and the rotation identifier includes: rotation angle and reference direction;

Save the rotated multimedia content carrying the rotation mark.

6. The method according to claims 1-5, further comprising:

The rotated multimedia content carrying the rotation identifier is sent to the opposite end device, so that the opposite end device performs display processing.

7. A multimedia content direction conversion method, characterized by including:

receive multimedia content;

Detect whether the received multimedia content includes a rotation identifier, where the rotation identifier includes: a rotation angle and a reference direction;

8. The method of claim 7, wherein if the rotation identifier is included, the peer device performs display processing on the received multimedia content according to the rotation identifier to display all the received multimedia content. Described multimedia content, including:

Perform rotation processing on the received multimedia content according to the rotation angle and reference direction in the rotation mark;

Display the multimedia content received after processing.

9. A computer storage medium, characterized by:

The computer storage medium may store a program, which when executed includes the steps described in claims 1-6 or 7-8.

10. A multimedia content direction conversion device, characterized by: The detection module is used to detect the offset angle of the current shooting direction from the reference direction, and cache the multimedia content obtained by the shooting. The offset angle includes: any angle between 0 degrees and 360 degrees; the processing module is used to Calculate a rotation angle based on the offset angle, and perform rotation processing on the cached multimedia content based on the rotation angle and the reference direction;

The storage module is used to save the multimedia content obtained after rotation processing.

11. The device according to claim 10, wherein the detection module includes: a detection unit configured to detect the offset angle of the current shooting direction from the reference direction through a gravity sensing sensor;

A cache unit is used to cache the captured multimedia content.

12. The device according to claim 10 or 11, characterized in that the processing module includes: a first calculation unit, used to obtain the rotation angle by subtracting the offset angle from 360 degrees;

The first execution unit is configured to rotate the captured multimedia content through matrix transformation based on the rotation angle and the reference direction.

13. The device according to claim 10 or 11, characterized in that the processing module includes: a second calculation unit, used to obtain the rotation angle by subtracting the offset angle from 360 degrees;

The second execution unit is configured to call a built-in image processing application for graphics rotation to rotate the captured multimedia content based on the rotation angle and the reference direction.

14. The device according to claims 10-13, characterized in that the storage module includes: a first storage unit configured to carry a rotation identifier in the multimedia content obtained by the rotation process, the rotation identifier Includes: rotation angle and reference direction;

The second storage unit is used to store the rotated multimedia content carrying the rotation mark.

15. The device according to claims 10-14, further comprising:

A sending module, configured to send the rotated multimedia content carrying a rotation identifier to a peer device, so that the peer device performs display processing.

16. A multimedia content direction conversion device, characterized in that it includes:

Receiving module, used to receive multimedia content;

A control module configured to detect whether the received multimedia content includes a rotation identifier, where the rotation identifier includes: a rotation angle and a reference direction;

A display module configured to, if the rotation identification is included, the peer device perform display processing on the received multimedia content according to the rotation identification, so as to display the received multimedia content.

17. The device according to claim 16, wherein the display module includes: a processing unit configured to rotate the received multimedia content according to the rotation angle and reference direction in the rotation mark;

A display unit configured to display the received multimedia content.

18. A terminal device, characterized in that it includes a camera, a processor and a memory, wherein the processor is used for:

Control and detect the offset angle of the current shooting direction of the camera device from the reference direction, and control the memory to cache the captured multimedia content. The offset angle includes: any angle between 0 degrees and 360 degrees, according to The offset angle is calculated to obtain a rotation angle, the cached multimedia content is rotated based on the rotation angle and the reference direction, and the memory is controlled to save the multimedia content obtained after the rotation processing.

19. The terminal device according to claim 18, characterized in that the terminal device further includes a gravity sensing sensor, specifically used for:

The angle at which the current shooting direction deviates from the reference direction is detected by the gravity sensing sensor.

20. The terminal device according to claim 18 or 19, wherein the rotation angle is calculated based on the offset angle, and the captured multimedia content is rotated based on the rotation angle and the reference direction. Processing, specifically used for:

Subtract the offset angle from 360 degrees to get the rotation angle; Based on the rotation angle and the reference direction, the captured multimedia content is rotated through matrix transformation.

21. The terminal device according to claim 18 or 19, wherein the rotation angle is calculated based on the offset angle, and the cached multimedia content is rotated based on the rotation angle and the reference direction. Processing, specifically used for:

Subtract the offset angle from 360 degrees to get the rotation angle;

Based on the rotation angle and the reference direction, a built-in image processing application for graphics rotation is called to rotate the cached multimedia content.

22. The terminal device according to claims 18-21, wherein the controlling the memory to save the multimedia content obtained after the rotation processing is specifically used for:

Save the rotated multimedia content carrying the rotation mark.

23. The terminal device according to claims 18-22, characterized in that the processor is further configured to: send the rotated multimedia content carrying the rotation identifier to the peer device, so that the The peer device performs display processing.

24. A terminal device, characterized in that it includes a display device and a processor, wherein the processor is used for:

Control the reception of multimedia content, control the detection of whether the multimedia content includes a rotation mark, the rotation mark includes: a rotation angle and a reference direction, and control the display device to correspondingly display the multimedia content obtained after the rotation according to the rotation mark. and/or multimedia content in said shooting direction.

25. The terminal device according to claim 24, wherein the display device includes: rotating the received multimedia content according to the rotation angle and the reference direction in the rotation mark; Display the multimedia content obtained after processing.