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1. WO2008007882 - PROCÉDÉ ET APPAREIL DE MISE À JOUR DE LA CONFIGURATION D'UN DÉCODEUR

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

Claims
[ 1 ] L A method of transmitting media data comprising :
generating a media stream including one or more media data items, one or more decoding information of the media stream, and information for arranging
updating of the decoding information; and
transmitting the media stream, the one or more decoding information of the
media stream, and the information for arranging updating of the decoding information,
wherein the one or more media data items have decoding information that are
different from each other.
[2] 2. The method of claim 1, wherein the information for arranging updating of the decoding information is valid time information indicating a valid time at which the decoding information is valid.
[3] 3. The method of claim 1, wherein the information for arranging updating of the decoding information is available duration information indicating an available
duration of the decoding information.
[4] 4. The method of claim 1, wherein the information for arranging updating of the decoding information is version information indicating a version of the decoding information.
[5] 5. The method of claim 1, wherein the information for arranging updating of the decoding information is an update command to command a media data reception apparatus to update the decoding information.
[6] 6. The method of claim 1, wherein the decoding information includes codec information required for decoding each of the media data items included in the
media stream.
[7] 7. An apparatus for transmitting media data comprising:
a media stream generation unit which generates one or more media data items as one media stream;
a decoding information generation unit which generates one or more decoding
information of the media stream and information for arranging updating of the decoding information; and
a transmission unit which transmits the media stream, the decoding information, and the information for arranging updating of the decoding information,
wherein the one or more media data items have decoding information that are
different from each other.
[8] 8. The apparatus of claim 7, wherein the information for arranging updating of the decoding information is valid time information indicating a valid time at which the decoding information is valid.
[9] 9. The apparatus of claim 7, wherein the information for arranging updating of the decoding information is available duration information indicating an
available duration of the decoding information.
[10] 10. The apparatus of claim 7, wherein the information for arranging updating of the decoding information is version information indicating a version of the
decoding information.
[11] 11. The apparatus of claim 7, wherein the information for arranging updating of the decoding information is an update command to command a media data
reception apparatus to update the decoding information.
[12] 12. The apparatus of claim 7, wherein the decoding information includes codec information required for decoding each of the media data items included in the media stream.
[13] 13. A method of receiving media data comprising:
receiving a media stream including one or more media data items, one or more decoding information of the media stream, and information for arranging
updating of the decoding information;
decoding the media stream by using the decoding information of the media
stream;
determining whether or not a current decoding information is valid, based on the information for arranging updating of the decoding information; and
if the current decoding information is not valid, receiving a next decoding information and decoding the media stream by using the next decoding information,
wherein the one or more media data items have decoding information that are
different from each other.
[14] 14. The method of claim 13, wherein the information for arranging updating of the decoding information is valid time information indicating a valid time at
which the decoding information is valid.
[15] 15. The method of claim 13, wherein the information for arranging updating of the decoding information is available duration information indicating an
available duration of the decoding information.
[16] 16. The method of claim 13, wherein the information for arranging updating of the decoding information is version information indicating a version of the
decoding information.
[17] 17. The method of claim 13, wherein the information for arranging updating of the decoding information is an update command to command a media data
reception apparatus to updating the decoding information.

[18] 18. The method of claim 13, wherein the decoding information includes codec
information required for decoding each of the media data items included in the
media stream.
[19] 19. An apparatus for receiving media data, comprising:
a reception unit which receives a media stream including one or more media data items, one or more decoding information of the media stream, and information
for arranging updating of the decoding information; and
a decoding unit which decodes the media stream by using the decoding information of the media stream, determines whether or not a current decoding information is valid based on the information for arranging updating of the
decoding information, and, if the current decoding information is not valid,
receives a next decoding information item and decodes the media stream by
using the next decoding information,
wherein the one or more media data items have decoding information that are
different from each other.
[20] 20. The apparatus of claim 19, wherein the information for arranging updating of the decoding information is valid time information indicating a valid time at
which the decoding information is valid.
[21] 21. The apparatus of claim 19, wherein the information for arranging updating of the decoding information is available duration information indicating an
available duration of the decoding information.
[22] 22. The apparatus of claim 19, wherein the information for arranging updating of the decoding information is version information indicating a version of the
decoding information.
[23] 23. The apparatus of claim 19, wherein the information for arranging updating of the decoding information is an update command to command a media data
reception apparatus to update the decoding information.
[24] 24. The apparatus of claim 19, wherein the decoding information includes codec information required for decoding each of the media data items included in the
media stream.
[25] 25. A computer readable recording medium storing a computer program for
executing a method of transmitting media data, the method comprising:
generating a media stream including one or more media data items, one or more decoding information of the media stream, and information for arranging
updating of the decoding information; and
transmitting the media stream, the one or more decoding information of the
media stream, and the information for arranging updating of the decoding information, wherein the one or more media data items have decoding information that are
different from each other.
[26] 26. A computer readable recording medium storing a computer program for
executing a method of receiving media data, the method comprising:
receiving a media stream including one or more media data items, one or more decoding information of the media stream, and information for arranging
updating of the decoding information;
decoding the media stream by using the decoding information of the media
stream;
determining whether or not a current decoding information is valid, based on the information for arranging updating of the decoding information; and
if the current decoding information is not valid, receiving a next decoding information and decoding the media stream by using the next decoding information,
wherein the one or more media data items have decoding information that are
different from each other.