Abstract: An entropy coding module is provided for use in a video encoder that encodes a video input signal based on a plurality of macroblocks derived from the video input signal. The entropy coding module includes an entropy coder that generates entropy encoded data from discrete transformed coefficients for the plurality of macroblocks. A neighbor management module stores neighbor data for at least one macroblock of the plurality of macroblocks for retrieval by the entropy encoder, when operating on at least one neighboring macroblock of the plurality of macroblocks.

Abstract: A system for processing a video signal into a processed video signal includes a pattern recognition module for detecting a region of text in the image sequence based on coding feedback data and generating pattern recognition data in response thereto. A video codec generates the processed video signal and generates the coding feedback data in conjunction with the processing of the image sequence.

Abstract: A system for searching at least one video signal based on an input text string includes a video processing system that processes the at least one video signal by decoding the at least one video signal, encoding the at least one video signal or transcoding the at least one video signal. The video processing system generates a plurality of text strings that describe the video signal in conjunction with the processing. A memory stores a searchable index that includes the plurality of text strings. A search module identifies at least one matching video of the at least one video signal by comparing the input text string to the plurality of text strings of the searchable index.

Abstract: A multi-pass video encoder includes a video encoding module that encodes a video signal based on an initial configuration data set to generate an initial processed video signal and an initial output data set. An application coding control module generates the initial configuration data set and generates a first updated configuration data set based on both the initial processed video signal and the initial output data set. The video encoding module further encodes the video signal based on the first updated configuration data set to generate a first updated processed video signal and a first updated output data set.

Abstract: An entropy coding module is provided for use in a video encoder that encodes a video input signal based on a plurality of macroblocks derived from the video input signal. The entropy coding module includes an entropy coder that generates entropy encoded data from discrete transformed coefficients for the plurality of macroblocks. A neighbor management module stores neighbor data for at least one macroblock of the plurality of macroblocks for retrieval by the entropy encoder, when operating on at least one neighboring macroblock of the plurality of macroblocks.

Abstract: An entropy coding module is provided for use in a video encoder that encodes a video input signal based on a plurality of macroblocks derived from the video input signal. The entropy coding module includes an entropy coder that generates entropy encoded data from discrete transformed coefficients for the plurality of macroblocks. A neighbor management module stores neighbor data for at least one macroblock of the plurality of macroblocks for retrieval by the entropy encoder, when operating on at least one neighboring macroblock of the plurality of macroblocks.

Abstract: A motion compensation module can be used in a video encoder for encoding a video input signal. The motion compensation module includes a neighbor management module that generates and stores neighbor data for at least one macroblock of the plurality of macroblocks for retrieval for retrieval by at least one of a motion search module, a motion refinement module, a direct mode module, and an intra-prediction module, when operating on at least one neighboring macroblock of the plurality of macroblocks.

Abstract: A video decoder includes an entropy decoding device that generates entropy decoded (EDC) data from an encoded video signal. A multi-format video decoding device includes a plurality of vector processor units that generate a decoded video signal from the EDC data. The plurality of vector processing units are programmed via VPU instructions formatted to include a vector instruction portion, a scalar instruction portion, and a branching instruction portion.

Abstract: A motion compensation module can be used in a video encoder that encodes, into a processed video signal, a video input signal including a sequence of pictures. The motion compensation module includes a motion flag generation module that generates a motion flag for at least one of the plurality of macroblocks of a first picture of the sequence of pictures based on a corresponding macroblock of a plurality of macroblocks of a second picture of the sequence of pictures. A direct mode motion vector module evaluates a direct mode motion vector for the corresponding macroblock of the second picture, based on the motion flag for the at least one of the plurality of macroblocks of the first picture.

Abstract: A deblocking filter module can be used in a video processing device that processes a video input signal in accordance with a plurality of coding parameters. The deblocking filter module includes an adaptive deblocking filter that receives a plurality of samples and produces a plurality of filtered samples in response thereto, the adaptive deblocking filter having at least one filter parameter that is controllable in response to a filter control signal. A filter control module generates the filter control signal based on the plurality of coding parameters.

Abstract: A system for processing a video signal into a processed video signal includes a pattern recognition module for detecting a face in the image sequence, based on coding feedback data, and generating pattern recognition data in response thereto, wherein the pattern recognition data indicates the pattern of interest. A video codec generates the processed video signal and generates the coding feedback data in conjunction with the processing of the image sequence.

Abstract: A system for processing a video signal into a processed video signal includes a pattern recognition module for detecting a face in the image sequence, based on coding feedback data, and generating pattern recognition data in response thereto, wherein the pattern recognition data indicates the pattern of interest. A video codec generates the processed video signal and generates the coding feedback data in conjunction with the processing of the image sequence.

Abstract: A system for processing a video signal into a processed video signal includes a pattern recognition module for detecting a region of text in the image sequence based on coding feedback data and generating pattern recognition data in response thereto. A video codec generates the processed video signal and generates the coding feedback data in conjunction with the processing of the image sequence.

Abstract: A system for searching a video library includes a memory that stores a searchable index that includes search features corresponding to videos contained in the video library. A video processing system decodes, encodes or transcodes a video signal and that further generates search features of the video signal. A search module identifies at least one matching video of the video library by comparing the search features of the video signal to corresponding search features of the searchable index. The search features can include at least one shot-level search feature and at least one frame level feature.

Abstract: A system for searching at least one video signal based on an input text string includes a video processing system that processes the at least one video signal by decoding the at least one video signal, encoding the at least one video signal or transcoding the at least one video signal. The video processing system generates a plurality of text strings that describe the video signal in conjunction with the processing. A memory stores a searchable index that includes the plurality of text strings. A search module identifies at least one matching video of the at least one video signal by comparing the input text string to the plurality of text strings of the searchable index.

Abstract: A system for processing a video signal into a processed video signal includes a pattern recognition module for detecting a pattern of interest in the image sequence based on coding feedback data and generating pattern recognition data in response thereto. A video codec generates the processed video signal and generates the coding feedback data in conjunction with the processing of the image sequence.

Abstract: A system for processing a video signal into a processed video signal includes a pattern recognition module for detecting a region of human action in the image sequence based on coding feedback data and generating pattern recognition data in response thereto. A video codec generates the processed video signal and generates the coding feedback data in conjunction with the processing of the image sequence.

Abstract: A video encoder includes a mode decision module that determines a final macroblock cost for each macroblock of the plurality of macroblocks based on costs associated with a plurality of motion vectors. An intra pulse code modulation (IPCM) module, when enabled, selects an IPCM mode when the final macroblock cost compares unfavorably to an IPCM threshold. A reconstruction module generates residual pixel values for each macroblock of the plurality of macroblocks and a transform and quantization module, transforms and quantizes the residual pixel values when the IPCM mode is not selected.

Abstract: A motion compensation module, that can be used in a video encoder for encoding a video input signal, includes a motion search module that generates a motion search motion vector for each macroblock of a plurality of macroblocks by contemporaneously evaluating a top frame macroblock and bottom frame macroblock from a frame of the video input signal and a top field macroblock and a bottom field macroblock from corresponding fields of the video input signal. A motion refinement module, when enabled, generates a refined motion vector for each macroblock of the plurality of macroblocks, based on the motion search motion vector.

Abstract: A run-level coding module can be used in a video encoder that generates a processed video signal from a video input signal. The run-level coding module includes a run-level coder that generates a first plurality of run-level pairs from a first stream of quantized data. A first ring buffer buffers a first number of the first plurality of run-level pairs. The processed video signal is generated based on the buffered first number of run-level pairs.