Abstract: Methods, systems, apparatus for video processing are described. A method for processing video includes performing a conversion between a video and a bitstream of the video according to a format rule, and wherein the format rule specifies whether a syntax element in a sequence parameter set (SPS) based on a value of a general constraint flag.

Abstract: A method of video processing includes performing a conversion between a current video block of a second color component of a video and a bitstream of the video using a cross-component prediction with multiple-parameter model (CCPMPM) in which samples of the current video block are predictively coded in the bitstream using a linear combination of samples of a first color component multiplied by linear coefficients and/or one or more offsets. The bitstream conforms to a format rule. The linear coefficients of the CCPMPM are determined using a first rule. The samples of the first color component are determined using a second rule.

Abstract: A video processing method is described. The method includes performing a conversion between a video region of a video and a coded representation of the video. The performing of the conversion includes configuring, based on a partition type of the video region, a context model for coding a first bin. The first bin and a second bin are included in a bin string corresponding to an index of a secondary transform tool. The index indicates an applicability of the secondary transform tool and/or a kernel information of the secondary transform tool. The secondary transform tool includes applying, during encoding, a forward secondary transform to an output of a forward primary transform applied to a residual of a video block prior to quantization, or applying, during decoding, an inverse secondary transform to an output of dequantization to the video block before applying an inverse primary transform.

Abstract: The present disclosure relates to an information processing method, apparatus, and medium. The information processing method includes: displaying target information; when a sending operation of a user for the target information is detected, displaying a target control for triggering cancellation of sending the target information; and when a first triggering operation of the user for the target control is detected within a preset time duration, canceling sending the target information.

Abstract: The present disclosure provides a video processing method and apparatus, a device, a computer readable storage medium, a computer program product, and a computer program, the method includes: acquiring an image to be processed; determining, according to the image to be processed, a target image and a target editing pattern, wherein the target editing pattern comprises at least one of a special effect acting on an audio corresponding to the target image, a special effect acting on an editing point between adjacent images, a special effect acting on a single image, and a special effect acting on an entire editing image; and performing, according to the target editing pattern, an editing operation on the target image, to obtain a target video.

Abstract: Embodiments for video processing, including video coding, video decoding and video transcoding are described. One example method includes performing a conversion between a video comprising one or more video pictures comprising one or more subpictures and a bitstream of the video, wherein the conversion conforms to a rule that specifies that one or more parameters for a scaling window applicable to a subpicture are determined from one or more syntax elements during a subpicture sub-bitstream extraction process.

Abstract: A method of video processing is provided. The method includes determining, for a conversion between a video comprising a video unit and a bitstream of the video, whether a first coding tool is enabled for the video unit according to a rule. The rule specifies that the first coding tool and a second coding tool are mutually exclusively enabled. The first coding tool or the second coding tool comprises a sign data hiding tool. The method also includes performing the conversion according to the determining.

Abstract: Devices, systems and methods for sub-block based prediction are described. In a representative aspect, a method for video processing includes determining a block size constrain, making a determination, based on the block size constrain, about whether or not a merge affine mode and a non-merge affine mode are allowed for a video block in a video frame, and generating a bitstream representation of the video block based on the making the determination.

Abstract: Information display and processing methods and apparatuses, a device, and a medium are provided. The information display method includes: in cases where the playback mode of a target multimedia resource is a non-immersive playback mode, receiving key event information from a server, the key event information being used to indicate that, on the basis of resource data of the target multimedia resource, it has been determined that a key event has occurred; and displaying, on the playback screen of the target multimedia resource, event notification information corresponding to the key event.

Abstract: Embodiments of the present disclosure provide a method for recommending a podcast in music application and a device, where the method includes: a terminal device receives a start instruction for a podcast interface the music application; and the terminal device displays a first preset number of recommended podcast programs in the podcast interface in response to the start instruction, where each of the recommended podcast programs is an episode of audio data, and the recommended podcast programs include a podcast program matching with a preference of a user who uses the music application.

Abstract: A method includes performing a conversion between a video including a video picture including one or more tiles and a bitstream of the video. The video picture refers to a picture parameter set, and the picture parameter set conforms to a format rule specifying that the picture parameter set includes a list of column widths for N tile columns, where N is an integer. An (N?1)-th tile column exists in the video picture and the (N?1)-th tile column has a width that is equal to an (N?1)-th entry in a list of explicitly included tile column widths plus one number of coding tree blocks.

Abstract: Provided are a method and apparatus for displaying active friend information, an electronic device, and a storage medium. The method for displaying the active friend information includes receiving an activity information checking instruction, where the activity information checking instruction is generated when a user triggers an entry control on a message page; and displaying an active friend list, where the active friend list displays activity information of an active friend of the user, and the active friend is a friend who is online in a recent preset time period. In this manner, a process of checking the active friend information is simplified and the time spent on checking the active friend information is shortened.

Abstract: A live broadcast room red envelope processing method and apparatus are provided. The method includes: receiving a red envelope sending instruction sent by a first audience client, where the red envelope sending instruction includes a red envelope receiving object, red envelope information and a target live broadcast room; determining red envelope content according to the red envelope information; sending, if the red envelope receiving object is all audiences in the target live broadcast room, a red envelope display instruction to all second audience clients in the target live broadcast room; receiving a red envelope receiving instruction sent by the second audience client in response to the red envelope display instruction; determining a target second audience client in response to the red envelope receiving instruction, and sending red envelope content to an audience account corresponding to the target second audience client.

Abstract: An example method of video processing includes performing a conversion between a picture of a video and a bitstream representation of the video. The picture includes one or more sub-pictures, and the bitstream representation conforms to a format rule that specifies that a length of a syntax element is equal to Ceil(Log 2(SS)) bits. SS is greater than 0, and the syntax element indicating a horizontal or a vertical position of a top-left corner of a coding tree unit of a sub-picture of the picture.

Abstract: The present disclosure provides a method, apparatus, and device for configuring a video special effect, and a storage medium, and relates to the technical field of special effect processing. The method includes: adding a first association node to a first special effect event combination in response to a first setting operation of a user; adding a second association node corresponding to the first association node to a second special effect event combination in response to a second setting operation of the user; and generating a configuration file of the video special effect according to the first special effect event combination and the second special effect event combination. The configuration file is configured to indicate that the video special effect is presented in a target video.

Abstract: A method of video decoding includes checking one or more video blocks in pre-defined relative positions compared to a first video block to derive a first set of candidates, wherein each of the first set of candidates is derived from corresponding motion information of the video blocks checked, checking, upon a determination that a number of the first set of candidates has not reached a predetermined limit, one or multiple tables to derive a second set of candidates, and processing the first video block based on a bitstream representation of the first video block and the constructed candidate list.

Abstract: The present disclosure provides a video processing method and apparatus, an electronic device, and a non-transitory computer readable storage medium. The method includes: displaying, when a predetermined application program enters a shooting mode, a predetermined shooting interface in a current interface of the application program, the shooting interface having a predetermined initial background; obtaining an image frame of a target object and the initial background; combining the image frame as a foreground with the initial background for displaying in the shooting interface; starting, in response to receiving a first shooting start instruction, generation of video data based on the image frame and the initial background; and stopping, in response to receiving a first shooting stop instruction, generation of video data to obtain first video data as generated.

Abstract: Devices, systems and methods for encoding and decoding digital video using a look-up tables (LUTs) containing motion candidates are described. In a representative aspect, a method of video processing includes maintaining one or more tables, wherein at least one table of the one or more tables is associated with one or more entries, deriving, based on a first set of motion candidates in the at least one table, a second set of motion candidates, and performing, based on the second set of motion candidates, a conversion between a current block of a video and a bitstream representation of the video.

Abstract: In this application, there are disclosed a template selection method, an electronic device, and a non-transitory computer-readable storage medium. The template selection method includes: presenting a video browsing interface in response to a request of a user, wherein the video browsing interface comprises therein a shooting button; presenting a dynamic picture of an album template within an area of the shooting button in case that a specified preset condition is met, wherein the dynamic picture is associated with the album template; and in case that the dynamic picture is presented within the area of the shooting button, in response to a selection instruction of the user for the dynamic picture, entering a corresponding album template.

Abstract: Techniques for implementing video processing techniques are described. In one example implementation, a method of video processing includes determining, for a conversion between a current block of a video coded using a combined inter and intra prediction (CIIP) coding technique and a bitstream representation of the video, an intra-prediction mode of the current block independently from an intra-prediction mode of a neighboring block. The CIIP coding technique uses an intermedia inter prediction value and an intermedia intra prediction value to derive a final prediction value of the current block. The method also includes performing the conversion based on the determining.