JP2009206659A5 - - Google Patents

Claims (8)

A plurality of first packets including encoded moving image data and a plurality of second packets including identification information for identifying the first packet, and the second packet is a predetermined cycle An apparatus for processing a stream multiplexed by:
A designation means for designating a position for dividing the stream;
A dividing unit that determines a division position of the stream based on the position designated by the designation unit, the data rate of the stream, and the predetermined period, and divides the stream at the decided division position; A data processing apparatus comprising:   2. The division unit according to claim 1, wherein the division unit determines the division position by correcting the position designated by the designation unit based on a data rate of the stream and the predetermined period. Data processing device.   The dividing unit calculates a correction amount by multiplying the data rate of the stream by the predetermined period, and sets a position before the position specified by the specifying unit by the calculated correction amount as the division position. The data processing device according to claim 2, wherein the data processing device is determined as:   4. The stream according to claim 1, wherein the stream is an MPEG transport stream, and the second packet is a packet including a program association table and a packet including a program map table. Data processing device. Reproduction means for reproducing the stream and management information including information on the reproduction start position of the stream from a recording medium;
Changing means for changing the management information recorded on the recording medium,
5. The change unit according to claim 1, wherein the change unit changes the reproduction start position in the management information corresponding to the stream after the division after the division position according to the designated position. A data processing apparatus according to claim 1.   A plurality of third packets including information related to the peak rate of the moving image data are multiplexed in the stream at a period different from the predetermined period, and the dividing unit includes the data rate of the stream and the predetermined period. And the second correction amount obtained based on the data rate of the stream and the period in which the third packet is multiplexed. The data processing apparatus according to claim 1, wherein the division position is determined by correcting the position designated by. Each of the plurality of first packets including encoded video data and a plurality of second packets including identification information for identifying the first packet, wherein the second packet is a predetermined packet A program for operating a computer as a device for processing a stream multiplexed in a cycle,
Designating a position for dividing the stream;
Determining the division position of the stream based on the designated position, the data rate of the stream, and the predetermined period, and dividing the stream at the determined division position; A program characterized by being executed.   A computer-readable storage medium storing the program according to claim 7.