摘要:
A method of recording audio and video content on a storage medium includes performing recording operations to record audio and video content on the storage medium; classifying the recording operations into a plurality of priority levels; and reserving space on the storage medium for recording operations being classified at a first priority level.
摘要:
A data processing system transforms an input matrix with transform coefficients through an inverse discrete cosine transform procedure, and it consequentially obtains an output matrix. The input matrix comprises 2N×2N of discrete cosine transform coefficients, and the output matrix comprises 2N×2N of output data; both are sequentially indexed by the row and column index. The output matrix is obtained by summing up a plurality of partial output matrixes; each partial output matrix comprises a first partial sub-output matrix and at least one other partial sub-output matrix. The first partial sub-output matrix comprises a plurality of partial output data that has a predetermined symmetry characteristic. The partial output matrixes possess a number of symmetry relations. The first and other partial sub-output matrixes of each partial output matrix have one symmetry relation. The data processing system comprises a system controller, a calculating unit, a symmetry duplicator, a summation device and four summed partial sub-output matrix register.
摘要翻译:数据处理系统通过逆离散余弦变换程序对具有变换系数的输入矩阵进行变换,从而得到输出矩阵。 输入矩阵包括离散余弦变换系数的2 N N x 2 N,输出矩阵包括输出数据的2 N 2 x 2 N。 两者都被行和列索引依次索引。 输出矩阵通过对多个部分输出矩阵求和来获得; 每个部分输出矩阵包括第一部分子输出矩阵和至少一个其他部分子输出矩阵。 第一部分子输出矩阵包括具有预定对称特性的多个部分输出数据。 部分输出矩阵具有多个对称关系。 每个部分输出矩阵的第一个和其他部分子输出矩阵具有一个对称关系。 数据处理系统包括系统控制器,计算单元,对称复制器,求和装置和四个加法的部分子输出矩阵寄存器。
摘要:
The present invention provides an input data control method and system for a data processing system. The system comprises at least one basic operation unit (BOU) and is used for transforming one input matrix X into data in a plurality of specified columns in an output matrix Y via an inverse discrete cosine transform procedure. The method generates and outputs a transform control signal together with the input matrix to at least one of the BOUs. A new transform control signal is generated according to the received transform control signal, and outputted together with the input matrix X, to other following BOUs. The step of generating the new transform control signals is repeated until each specific column of the output matrix Y is decoded by a corresponding BOU. A basic operation procedure is then performed, and the received input matrix is decoded to obtain the data in the specified columns corresponding to the transform control signal.
摘要:
Apparatuses and methods for processing a picture frame are provided. The apparatus comprises a decoder, a memory, and an image processing unit. The decoder decodes blocks of the picture frame and deblocks decoded blocks to generate deblocked blocks. The memory stores the decoded blocks and deblocked blocks. The image processing unit acquires decoded or deblocked blocks through different paths, for example, from the decoder or from both the decoder and memory depending on whether a next MB row is required for deblocking.
摘要:
The invention relates to a decoding apparatus and same method for decoding a video bit stream. The apparatus decodes an encoded video bit stream to produce pixel data of a first and second macroblocks. The video bit stream comprises at least one video packet, a first, second, third logic units. The first logic unit comprising parameters a1 and b1. The second logic unit comprises parameters a2 and b2. The third logic unit comprises parameters a3 and b3. The parameters a1 and a2 are used for reconstructing a first macroblock. The parameters b1 and b2 are used for reconstructing a second macroblock. The video decoding apparatus comprises a searching module and a decoding module. The searching module locates a first address indicating location of the first logic unit, a second address indicating location of the second logic unit, and a third address indicating location of the third logic unit. The decoding module first decodes the first logic unit to obtain a decoded parameter A1 corresponding to the parameter a1 without obtaining and storing a decoded parameter B1 corresponding to the parameter b1 into a memory. The decoding module also decodes the second/third logic unit to obtain a decoded parameter A2/A3 corresponding to the parameter a2/a3. Then, the decoded parameters A1, A2, and A3 are used to produce the pixel data of the first macroblock.
摘要:
A video decoding method includes: (a) computing location relations between an original frame and a resized frame to which the frame is to be scaled; (b) mapping a location of a data unit of the original frame to a location of a corresponding data unit of the resized frame according to the location relations; and (c) scaling the data unit of the original frame to the corresponding data unit of the resized frame.
摘要:
An image processing circuit includes: a video decoder for decoding at least one block image source to generate first decoded data, where the block image source and the first decoded data correspond to a first color space; a color space converting unit, coupled to the video decoder, for performing color space conversion on the first decoded data to generate second decoded data, where the second decoded data corresponds to a second color space; a block based scaling unit, coupled to the color space converting unit, for performing a scaling operation on the second decoded data to generate scaled data, where the scaled data corresponds to the second color space; and a frame buffer, coupled to the block based scaling unit, for temporarily storing the scaled data, where the scaled data temporarily stored in the frame buffer is utilized in the second color space.
摘要:
A video predictive decoding method and apparatus for predicting a current block of a picture. The method includes storing at least one previous product in a memory. The previous product corresponds to a block of a plurality of blocks of the picture. The previous product is the product of a quantized AC coefficient and a quantization scale of the block that the previous product corresponds to. The method further includes determining which block to use as a prediction block from the plurality of blocks, reading from the memory at least one previous product corresponding to the prediction block, and calculating at least one quantized AC coefficient of the current block using the at least one previous product read from the memory.
摘要:
A method of recording audio and video content on a storage medium includes performing recording operations to record audio and video content on the storage medium; classifying the recording operations into a plurality of priority levels; and reserving space on the storage medium for recording operations being classified at a first priority level.
摘要:
Apparatuses and methods for processing a picture frame are provided. The apparatus comprises a decoder, a memory, and an image processing unit. The decoder decodes blocks of the picture frame and deblocks decoded blocks to generate deblocked blocks. The memory stores the decoded blocks and deblocked blocks. The image processing unit acquires decoded or deblocked blocks through different paths, for example, from the decoder or from both the decoder and memory depending on whether a next MB row is required for deblocking.