Video encoding method and electronic device adapted thereto

Abstract

A video encoding method and an electronic device adapted to the method are provided. The electronic device includes: a wireless communication circuit configured to communicate with a first electronic device, a touchscreen configured to display a user interface for performing a video call, a speaker, a microphone, one or more processors electrically connected to the communication circuit, the touchscreen, the speaker, and the microphone, and a memory electrically connected to the one or more processors, wherein the memory stores instructions that, when executed, cause the one or more processors to: receive a signal related to an incoming video call from the first electronic device via the wireless communication circuit, receive a user input accepting the video call via the user interface, transmit a signal accepting the video call to the first electronic device via the wireless communication circuit in response to the user input, receive a video stream from the first electronic device via the wireless communication circuit, wherein the video stream has been adapted at the first electronic device, based at least partly on: status information on the electronic device and/or status information on wireless communication between the electronic device and the first electronic device, display the received video stream on the touchscreen while providing voice from the video call, using the speaker, receive voice, using the microphone, and transmit the received voice to the first electronic device, using the wireless communication circuit.

What is claimed is: 
     
         1 . An electronic device comprising:
 a wireless communication circuit configured to communicate with a first electronic device;   a touchscreen configured to display a user interface for performing a video call;   a speaker;   a microphone;   one or more processors electrically connected to the communication circuit, the touchscreen, the speaker, and the microphone; and   a memory electrically connected to the one or more processors,   wherein the memory stores instructions that, when executed, cause the one or more processors to:
 receive a signal related to an incoming video call from the first electronic device via the wireless communication circuit; 
 receive a user input accepting the video call via the user interface; 
 transmit a signal accepting the video call to the first electronic device via the wireless communication circuit in response to the user input; 
 receive a video stream from the first electronic device via the wireless communication circuit, wherein the video stream has been adapted at the first electronic device, based at least partly on: 
 status information on the electronic device and/or 
 status information on wireless communication between the electronic device and the first electronic device; 
 display the received video stream on the touchscreen while providing voice from the video call, using the speaker; 
 receive voice, using the microphone; and 
 transmit the received voice to the first electronic device, using the wireless communication circuit. 
   
     
     
         2 . The electronic device of  claim 1 , wherein the instructions further cause the one or more processors to:
 detect an alteration in a state of the electronic device or an alteration in a state of the wireless communication; and   receive a video steam, which differs from the received video stream by at least one of: a resolution, picture quality, and a frame rate, from the first electronic device via the wireless communication circuit,   wherein the status information on the electronic device includes at least one of: a type of the electronic device, a size of the touchscreen, processing power of the processor, a maximum resolution of the touchscreen, a battery status or level, memory status or capacity, or presence/absence of a camera, and   the status information on the communication includes a video call quality level for performing a video call.   
     
     
         3 . The electronic device of  claim 2 , further comprising:
 a camera,   wherein the instructions further cause the one or more processors to:   adapt a video stream taken by the camera, based at least partly on the status information on the electronic device and the status information on the wireless communication circuit; and   transmit the adapted video stream to the first electronic device via the communication.   
     
     
         4 . The electronic device of  claim 3 , wherein the instructions further cause the one or more processors to:
 detect at least one of a face or an iris of the user via the camera while receiving the video stream; and   display the received video stream on the touchscreen only while at least one of a face or an iris of the user is detected.   
     
     
         5 . The electronic device of  claim 1 , wherein the instructions further cause the one or more processors to:
 display an indicator to adjust a quality of the received video stream;   detect an input for adjusting the quality of video stream via the indicator;   determine an encoding scheme corresponding to the adjusted quality of video stream;   transmit the determined encoding scheme to the first electronic device;   receive a video stream, adapted based on the encoding scheme, from the first electronic device; and   display the received video stream.   
     
     
         6 . The electronic device of  claim 1 , wherein the instructions further cause the one or more processors to:
 set a region of interest (ROI) in the displayed video stream;   transmit the ROI to the first electronic device;   receive, from the first electronic device, a video stream, adapted based on at least one of: focus, crop, change in picture quality, or exposure adjustment, with respect to the ROI; and   display the received video stream.   
     
     
         7 . The electronic device of  claim 1 , further comprising at least one motion sensor wherein the instructions further cause the one or more processors to:
 detect orientation of the electronic device using the sensor, while receiving the video stream; and   display the received video stream on the touchscreen only while the detected orientation is in a selected range.   
     
     
         8 . The electronic device of  claim 1 , wherein the instructions further cause the one or more processors to:
 display the received video stream;   receive a user input for forwarding the video call;   display at least one external display device to which the video call can be forwarded;   receive a user selection of one of the at least one external display device; and   forward the video call to the selected external display device.   
     
     
         9 . The electronic device of  claim 1 , wherein the instructions further cause the one or more processors to:
 analyze the status information on the electronic device and the status information on the wireless communication; and   display a selectable the user interface on the touchscreen, wherein the user interface is indicative of at least one operation related to the video call, based on the analyzed status information on the electronic device and the analyzed status information on the wireless communication,   wherein the operation is related to at least one of a quality of the video stream, a voice only call, a video call using a second electronic device, or a voice call using the second electronic device.   
     
     
         10 . The electronic device of  claim 1 , wherein the instructions further cause the one or more processors to:
 receive another video call request via the first electronic device from a third electronic device while performing the video call;   detect an input for accepting the received video call request;   further receive a video stream of the other video call via the first electronic device from the third electronic device; and   display a screen of the video call on a first region of the touchscreen, and another screen of the other video call on   a second region of the touchscreen.   
     
     
         11 . The electronic device of  claim 1 , further comprising a pressure detection sensor,
 wherein the instructions further cause the one or more processors to:   detect an input pressing against the touchscreen while providing voice from the video call, using the speaker;   determine a pressure level of the detected input; and   perform an operation, based at least partly on the detected pressure level.   
     
     
         12 . The electronic device of  claim 1 , wherein the instructions further cause the one or more processors to:
 detect a touch gesture input using the touchscreen, while providing voice from the video call, using the speaker;   determine a direction of the input; and   perform an operation, based at least partly on the detected direction.   
     
     
         13 . The electronic device of  claim 1 , wherein the instructions further cause the one or more processors to:
 detect an input via the touchscreen for storing at least a portion of the received video stream; and   transmit, to the first electronic device, a request for storing, in the first electronic device, the at least a portion of the video stream, wherein the request includes information on time when the input is detected   
     
     
         14 . The electronic device of  claim 1 , wherein the instructions further cause the one or more processors to:
 receive, from the first electronic device, information on at least one electronic device capable of performing the video call;   display an indication of the at least one electronic device on the touchscreen;   receive a user input for selecting one of the at least one electronic device; and   transmit a signal for forwarding the video call to the selected electronic device to the first electronic device, using the wireless communication circuit.   
     
     
         15 . The electronic device of  claim 1 , wherein:
 the wireless communication circuit comprises at least one of: a Bluetooth modem or Wi-Fi modem.   
     
     
         16 . The electronic device of  claim 1 , wherein the electronic device is smartwatch and the first electronic device is a smartphone. 
     
     
         17 . An electronic device comprising:
 a first wireless communication circuit configured to communicate with a first electronic device;   a second wireless communication circuit configured to communicate with a second electronic device;   a touchscreen configured to display a user interface to perform a video call;   a speaker;   a microphone;   one or more processors electrically connected to the first wireless communication circuit, a second wireless communication circuit, the touchscreen, the speaker, and the microphone; and   a memory electrically connected to the one or more processors,   wherein the memory stores instructions that, when executed, cause the one or more processors to:   receive a video call request from the first electronic device via the first wireless communication circuit;   display the received video call request on the touchscreen;   create a notification based on the received video call request;   transmit the created notification to the second electronic device via the second wireless communication;   receive a signal accepting the video call request from the second electronic device via the second wireless communication circuit;   stop displaying the video call request in response to the received signal accepting the video call request;   receive and adapt a video stream from the first electronic device, based at least partly on status information on the second electronic device and status information on the communication between the electronic device and the second electronic device;   transmit the adapted video stream to the second electronic device via the second wireless communication circuit; and   transmit voice, received from the second electronic device via the second wireless communication circuit, to the first electronic device via the first wireless communication circuit.   
     
     
         18 . The electronic device of  claim 17 , wherein the instructions further cause the one or more processors to:
 receive, from the second electronic device, at least one of a maximum resolution, a maximum level of picture quality, or a maximum frame rate (fps) of a video stream supported by the second electronic device;   adapt at least one of a resolution, a level of picture quality, or a fps of the video stream within the at least one of a maximum resolution, a maximum level of picture quality, or a maximum fps, based at least partly on the status information on the communication.   
     
     
         19 . The electronic device of  claim 17 , wherein the instructions further cause the one or more processors to:
 receive, from a third electronic device, a video call forwarding request and information on the third electronic device;   transmit video call connection information to the third electronic device; and   transmit information on the third electronic device to the first electronic device via the first wireless communication circuit.   
     
     
         20 . An electronic device comprising:
 a first wireless communication circuit configured to communicate with a first electronic device;   a touchscreen configured to display a user interface to perform a video call;   a speaker;   a microphone;   one or more processors electrically connected to the first wireless communication circuit, the touchscreen, the speaker, and the microphone; and   a memory electrically connected to the one or more processors,   wherein the memory stores instructions that, when executed, cause the one or more processors to:   transmit a video call request signal to the first electronic device via the first wireless communication circuit;   via the first wireless communication circuit, receive, from the first electronic device,
 a signal accepting the video call request, 
 status information on a second electronic device, and 
 status information on communication between the first electronic device and the second electronic device; 
   adapt a video stream, based at least partly on the received status information on the second electronic device and the received status information on the communication;   transmit the adapted video stream to the first electronic device via the first wireless communication circuit; and   receive a voice from the first electronic device.