JP2005192008A5

JP2005192008A5 -

Info

Publication number: JP2005192008A5
Application number: JP2003432246A
Authority: JP
Filing date: 2003-12-26
Publication date: 2007-02-01

Claims

Reading means for reading out the video data from a storage medium in which video data composed of data compressed and encoded by the MPEG standard is recorded;
Buffer means for temporarily storing video data read from the storage medium;
And decoding to Lud code means the stored image data in said buffer means,
When the decoding hands stage has completed decoding, and control means for changing the read position of the storage medium by the reading means,
A video reproducing apparatus comprising:

2. The video reproduction apparatus according to claim 1, wherein the control unit further controls the decoding unit to decode only an I picture.

3. The video reproducing apparatus according to claim 1, wherein the control unit changes a reading position of the storage medium by the reading unit and clears data stored in the buffer unit. .

The control means, when changing the reading position of the storage medium by the reading means, is changed to a position shifted by a fixed amount with respect to the position where reading has been performed so far. The video reproduction device according to claim 1.

2. The control unit according to claim 1, wherein when the reading position of the storage medium is changed by the reading unit, the control unit changes the position to a position shifted by a predetermined amount based on the previously changed position information. 5. The video playback device according to any one of 4 above.

Reading means for reading out the video data from a storage medium in which video data composed of data compressed and encoded by the MPEG standard is recorded;
Buffer means for temporarily storing video data read from the storage medium;
A position information obtaining means for obtaining position information of I-picture by searching the image data stored in said buffer means,
Decoding means for decoding the video data stored in the buffer means, controlled to decode only the I picture based on the position information acquired by the position information acquisition means, and the decoding of the I picture is completed Decoding means for outputting information indicating that, and
Control means for receiving information indicating that the decoding of the I picture has been completed, changing a reading position from the storage means by the reading means and clearing the video data stored in the buffer means;
A video reproducing apparatus comprising:

The video reproduction apparatus according to claim 1 , further comprising the storage medium .

Reading the video data from a storage medium on which video data composed of data compressed and encoded according to the MPEG standard is recorded;
A step of storing at one image data read from the storage medium,
A step you decode the stored video data at the one,
When the decoding is completed , changing the reading position of the storage medium ;
A special reproduction method characterized by comprising :

Reading the video data from a storage medium on which video data composed of data compressed and encoded by the MPEG standard is recorded;
Temporarily storing the read video data in a buffer means;
Retrieving video data stored in the buffer means to obtain position information of an I picture;
Decoding only the I picture of the video data stored in the buffer means based on the position information;
Outputting information indicating that decoding of the I picture has been completed;
A step of changing a reading position from the storage means when decoding of the I picture is completed;
A special reproduction method characterized by comprising: