De-encapsulation of data streams into multiple links
View Patent ↗Embodiments of the invention are generally directed to de-encapsulation of data streams into multiple links. An embodiment of a method includes receiving a data stream including multiple data frames, the data stream being in a first mode having a multiple channels of content data including a first channel sent in a first position in each data frame and a second channel sent in a second position in each data frame following the first position, with each data frame including a synchronization signal to indicate a start of the content data. The method further includes transforming the data stream into data sub-streams in a second mode, the data sub-streams including a first data sub-stream to carry data for the first channel in the second mode and a second data sub-stream to carry data for the second channel in the second mode. Transforming the data stream into in the plurality of data sub-streams includes generating the first data sub-stream by stripping the second channel from each frame of data, and generating the second data sub-stream by stripping the first channel and the synchronization signal from each frame and inserting a substitute synchronization signal before the second channel data in each data frame. The method further includes transmitting the first data sub-stream via a first link in the second mode and the second data sub-stream via a second link in the second mode.
1. A method comprising:
receiving a data stream including a plurality of data frames, the data stream being in a first mode having a plurality of channels of content data including a first channel sent in a first position in each data frame and a second channel sent in a second position in each data frame following the first position, each data frame including a synchronization signal indicating a start of the content data;
transforming the data stream into a plurality of data sub-streams in a second mode, the plurality of data sub-streams including a first data sub-stream to carry data for the first channel in the second mode and a second data sub-stream to carry data for the second channel in the second mode, wherein transforming the data stream into the plurality of data sub-streams includes:
generating the first data sub-stream by stripping the second channel from each frame of data, and
generating the second data sub-stream by stripping the first channel and the synchronization signal from each frame and inserting a substitute synchronization signal before the second channel data in each data frame; and
transmitting the first data sub-stream via a first link in the second mode and the second data sub-stream via a second link in the second mode.
2. The method of claim 1 , wherein the content data includes video data.
3. The method of claim 2 , wherein the content data in the first mode includes three-dimensional (3D) video data and the content data in the second mode includes mono video data.
4. The method of claim 3 , wherein the first channel comprises data for either a left or right channel and the second channel comprises data for the other left or right channel.
5. The method of claim 3 , further comprising combining the data of the first sub-stream and the data of the second sub-stream to generate a 3D video image.
6. The method of claim 1 , wherein the first data sub-stream and the second data sub-stream are unrelated data sub-streams that were encapsulated together as the data stream.
7. The method of claim 1 , wherein transmitting the first and second data streams comprises transmitting the first data stream to a first receiver compatible with the second mode and transmitting the second data stream to a second receiver compatible with the second mode.
8. The method of claim 1 , further comprising detecting a type signal prior to a first data frame of the data stream, the type signal indicating that the data stream is of the first type.
9. The method of claim 1 , wherein generating the first data sub-stream further comprises inserting non-content data in the first data sub-stream to fill the space previously occupied by the data of the second channel in the data stream.
10. The method of claim 1 , wherein generating the second data sub-stream further comprises inserting non-content data in the second data sub-stream to fill the space previously occupied by the synchronization signal and the data of the first channel in the data stream.
11. An apparatus comprising:
an input port to receive a data stream comprising a plurality of data frames, the data stream being in a first mode having a plurality of channels of content data including a first channel sent in a first position in each data frame and a second channel transmitted in a second position in each data frame following the first position, each data frame including a synchronization signal indicating a start of the content data;
a memory to hold data for processing;
a first output port to provide a first data sub-stream to carry data for the first channel in the second mode;
a second output port to provide a second data sub-stream to carry data for the second channel in the second mode; and
a processing unit to process the data packets, wherein the processing of the data by the processing unit includes:
generating the first data sub-stream by stripping the second channel from each frame of data, and
generating the second data sub-stream by stripping the first channel and the synchronization signal from each frame and inserting a substitute synchronization signal before the second channel data in each data frame.
12. The apparatus of claim 11 , wherein the apparatus comprises a computer chip.
13. The apparatus of claim 11 , wherein the apparatus is a separate unit.
14. The apparatus of claim 11 , wherein the apparatus comprises a portion of a transmitting or receiving device.
15. The apparatus of claim 11 , wherein the content data includes video data.
16. The apparatus of claim 15 , wherein the content data in the first mode includes three-dimensional (3D) video data and the content data in the second mode includes mono video data.
17. The apparatus of claim 16 , wherein the first channel comprises data for either a left or right channel and the second channel comprises data for the other left or right channel.
18. The apparatus of claim 11 , wherein the first data sub-stream and the second data sub-stream are unrelated data sub-streams that were encapsulated together as the data stream.
19. The apparatus of claim 11 , wherein the processing of the data by the processing unit further includes the processing unit inserting non-content data in the first data sub-stream to fill the space previously occupied by the data of the second channel in the data stream.
20. The apparatus of claim 11 , wherein the processing of the data by the processing unit further includes the processing unit inserting non-content data in the second data sub-stream to fill the space previously occupied by the synchronization signal and the data of the first channel in the data stream.
21. An system comprising:
a source device to transmit a data stream comprising a plurality of data frames, the data stream being in a first mode having a plurality of channels of content data including a first channel sent in a first position in each data frame and a second channel transmitted in a second position in each data frame following the first position, each data frame including a synchronization signal indicating a start of the content data;
a sink device to receive data in a second mode, data in the second mode having a single channel of content data; and
a format conversion element to convert the data stream in the first mode into a plurality of data sub-streams in the second mode, the conversion of the data stream in the first mode including:
generating a first data sub-stream by stripping the second channel from each frame of data, and
generating a second data sub-stream by stripping the first channel and the synchronization signal from each frame and inserting a substitute synchronization signal before the second channel data in each data frame.
22. The system of claim 21 , wherein the format conversion element comprises a separate unit from the source device and sink device.
23. The system of claim 21 , wherein the format conversion element comprises a part of the source device or the sink device.
24. The system of claim 21 , wherein the content data includes video data.
25. The system of claim 24 , wherein the content data in the first mode includes three-dimensional (3D) video data and the content data in the second mode includes mono video data.
26. The system of claim 21 , wherein the first data sub-stream and the second data sub-stream are unrelated data sub-streams that were encapsulated together as the data stream.
27. A computer-readable medium having stored thereon data representing sequences of instructions that, when executed by a processor, cause the processor to perform operations comprising:
receiving a data stream including a plurality of data frames, the data stream being in a first mode having a plurality of channels of content data including a first channel sent in a first position in each data frame and a second channel sent in a second position in each data frame following the first position, each data frame including a synchronization signal indicating a start of the content data;
transforming the data stream into a plurality of data sub-streams in a second mode, the plurality of data sub-streams including a first data sub-stream to carry data for the first channel in the second mode and a second data sub-stream to carry data for the second channel in the second mode, wherein transforming the data stream into the plurality of data sub-streams includes:
generating the first data sub-stream by stripping the second channel from each frame of data, and
generating the second data sub-stream by stripping the first channel and the synchronization signal from each frame and inserting a substitute synchronization signal before the second channel data in each data frame; and
transmitting the first data sub-stream via a first link in the second mode and the second data sub-stream via a second link in the second mode.