Dependent data stream transmission procedure
First Claim
Patent Images
1. Transmission procedure comprising:
- generating at least one data stream for transmission to at least one terminal, each of said stream or streams being made of access units, wherein at least some of said access units include at least one pointer that points to at least one other access unit of said stream or of another stream that may have been received previously in the terminal, called a required previous unit, so that processing of said access unit is not performed in said terminal if the required previous unit or units have not been received, and wherein said pointer is a dependency pointer, the dependency pointer being distinct from any sequence number said access unit may have and being included in a dependency descriptor of said access unit, said dependency descriptor describing said dependency pointer; and
transmitting the at least one data stream to the at least one terminal.
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Abstract
A method for the transmission of data flows; data flows, server, terminal, method for reception and use corresponding thereto. The invention relates to a method for the transmission of at least one flow of data towards at least one terminal, said flow or flows being organized in the form of flow units, characterised in that at least some of said flow units comprise at least one pointer pointing towards at least one flow unit of said flow or another flow in order to optimize processing in the terminal and/or the useful flow rate of said flow(s).
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Citations
22 Claims
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1. Transmission procedure comprising:
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generating at least one data stream for transmission to at least one terminal, each of said stream or streams being made of access units, wherein at least some of said access units include at least one pointer that points to at least one other access unit of said stream or of another stream that may have been received previously in the terminal, called a required previous unit, so that processing of said access unit is not performed in said terminal if the required previous unit or units have not been received, and wherein said pointer is a dependency pointer, the dependency pointer being distinct from any sequence number said access unit may have and being included in a dependency descriptor of said access unit, said dependency descriptor describing said dependency pointer; and transmitting the at least one data stream to the at least one terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 21)
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16. A method comprising:
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producing a stream of data, wherein the stream is made of access units transmitted independently one from the other, wherein at least some of said access units include at least one pointer that points to at least one other access unit of said stream or another stream that may have been received previously in a terminal, called a required previous unit, so that processing of said access unit is not performed in said terminal if the required previous unit has not been received, and wherein said pointer is a dependency pointer, the dependency pointer being distinct from any sequence number said access unit may have and being included in a dependency descriptor of said access unit, said dependency descriptor describing said dependency pointer; and transmitting the stream to the at least one terminal.
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17. A server for data designed to be transmitted to at least one terminal, in the form of at least one data stream made of access units transmitted independently from each other, wherein at least some of said access units include at least one pointer that points to at least one other access unit of said stream or another stream that may have been received previously in the terminal, called a required previous unit, and wherein said pointer is a dependency pointer, the dependency pointer being distinct from any sequence number said access unit may have and being included in a dependency descriptor of said access unit, said dependency descriptor describing said dependency pointer.
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18. A terminal that can receive at least one data stream made of access units transmitted independently from each other, wherein at least some of said access units include at least one pointer that points to at least one other access unit of said stream or another stream that may have been received previously in the terminal, called a required previous unit, and wherein said pointer is a dependency pointer, the dependency pointer being distinct from any sequence number said access unit may have and being included in a dependency descriptor of said access unit, said dependency descriptor describing said dependency pointer.
- 19. A reception procedure comprising receiving at least one data stream made of access units, transmitted independently from each other, wherein at least some of these access units include at least one pointer that points to at least one other access unit of said stream or another stream that may have been received previously in a terminal, called required a previous unit, and wherein said pointer is a dependency pointer, the dependency pointer being distinct from any sequence number said access unit may have and being included in a dependency descriptor of said access unit, said dependency descriptor describing said dependency pointer.
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22. A processing method of at least one audio visual data stream, each of said stream or streams being made of stream units, wherein said method comprises the steps of:
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receiving said stream or streams with a terminal, wherein at least some of said stream units include at least one pointer which designates at least one other stream unit of said stream or of another stream that may have been received previously in the terminal, called a dependency unit, said dependency unit being an access unit, the pointer being distinct from any sequence number said access unit may have; and processing said stream or streams unless said at least one dependency unit has not been received.
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Specification