Transmission device, transmission method, reception device, reception method, display device, and display method
A reception device is provided that includes circuitry configured to receive a container. The container includes a video stream obtained by encoding video data. The video data is obtained by performing photoelectric conversion on input data of a high dynamic range image. The container further includes characteristic information for an electro-optical conversion of the video data that is inserted into a layer of the video stream and/or a layer of the container. The characteristic information indicates one of a plurality of types for the electro-optical conversion. The circuitry is configured to process the video stream included in the container.
1. A reception device, comprising:
circuitry configured to
receive a container including
a video stream obtained by encoding video data, the video data being obtained by performing photoelectric conversion on input data of a high dynamic range image, and
characteristic information for an electro-optical conversion of the video data being inserted into a layer of the video stream and/or a layer of the container, different values being associated with different curves of a plurality of types for the electro-optical conversion, and the characteristic information including one of the different values based on which of the different curves of the plurality of types for the electro-optical conversion is indicated, and
process the video stream included in the container,
wherein initial segments of the different curves overlap different ranges of a reference curve.
2. The reception device according to claim 1 , wherein the one of the plurality of types for the electro-optical conversion indicated by the characteristic information is a high-dynamic range conversion type selected from the plurality of types for the electro-optical conversion based on a user operation.
3. The reception device according to claim 1 , wherein the characteristic information is inserted in each predetermined unit of the video data.
4. The reception device according to claim 1 , wherein the reference curve is a legacy gamma curve.
5. A reception device, comprising:
circuitry configured to
receive a container including
a video stream obtained by encoding video data, the video data being obtained by applying a photoelectric conversion characteristic to input data of a high dynamic range image, and
characteristic information for an electro-optical conversion of the video data being inserted into a layer of the video stream and/or a layer of the container, different values being associated with different curves of a plurality of types for the electro-optical conversion, and the characteristic information including one of the different values based on which of the different curves of the plurality of types for the electro-optical conversion is indicated, and
process the video stream included in the container,
wherein initial segments of the different curves include overlap different ranges of a reference curve.
6. The reception device according to claim 5 , wherein the one of the plurality of types for the electro-optical conversion indicated by the characteristic information is a high-dynamic range conversion type selected from the plurality of types for the electro-optical conversion based on a user operation.
7. The reception device according to claim 5 , wherein the characteristic information is inserted in each predetermined unit of the video data.
8. The reception device according to claim 5 , wherein the reference curve is a legacy gamma curve.
9. A reception method, comprising:
receiving a container including
a video stream obtained by encoding video data, the video data being obtained by performing photoelectric conversion on input data of a high dynamic range image, and
characteristic information for an electro-optical conversion of the video data being inserted into a layer of the video stream and/or a layer of the container, different values being associated with different curves of a plurality of types for the electro-optical conversion, and the characteristic information including one of the different values based on which of the different curves of the plurality of types for the electro-optical conversion is indicated, and
processing, by circuitry, the video stream included in the container,
wherein initial segments of the different curves overlap different ranges of a reference curve.
10. The reception method according to claim 9 , wherein the one of the plurality of types for the electro-optical conversion indicated by the characteristic information is a high-dynamic range conversion type selected from the plurality of types for the electro-optical conversion based on a user operation.
11. The reception method according to claim 9 , wherein the characteristic information is inserted in each predetermined unit of the video data.
12. The reception method according to claim 9 , wherein the reference curve is a legacy gamma curve.
13. A reception method, comprising:
receiving a container including
a video stream obtained by encoding video data, the video data being obtained by applying a photoelectric conversion characteristic to input data of a high dynamic range image, and
characteristic information for an electro-optical conversion of the video data being inserted into a layer of the video stream and/or a layer of the container, different values being associated with different curves of a plurality of types for the electro-optical conversion, and the characteristic information including one of the different values based on which of the different curves of the plurality of types for the electro-optical conversion is indicated, and
processing, by circuitry, the video stream included in the container,
wherein initial segments of the different curves overlap different ranges of a reference curve.
14. The reception method according to claim 13 , wherein the one of the plurality of types for the electro-optical conversion indicated by the characteristic information is a high-dynamic range conversion type selected from the plurality of types for the electro-optical conversion based on a user operation.
15. The reception method according to claim 13 , wherein the characteristic information is inserted in each predetermined unit of the video data.
16. The reception method according to claim 13 , wherein the reference curve is a legacy gamma curve.
17. A display device, comprising:
circuitry configured to
receive video data and characteristic information for an electro-optical conversion of the video data from an external device, the video data being obtained by performing photoelectric conversion on input data of a high dynamic range image, and
perform the electro-optical conversion on the received video data based on the characteristic information for the electro-optical conversion to obtain output video data, different values being associated with different curves of a plurality of types for the electro-optical conversion, and the characteristic information including one of the different values based on which of the different curves of the plurality of types for the electro-optical conversion is indicated,
wherein initial segments of the different curves overlap different ranges of a reference curve.
18. The display device according to claim 17 , wherein the one of the plurality of types for the electro-optical conversion indicated by the characteristic information is a high-dynamic range conversion type selected from the plurality of types for the electro-optical conversion based on a user operation.
19. The display device according to claim 17 , wherein the characteristic information is inserted in each predetermined unit of the video data.
20. The display device according to claim 17 , wherein the reference curve is a legacy gamma curve.
21. A display device, comprising:
circuitry configured to
receive video data and characteristic information for an electro-optical conversion of the video data from an external device, the video data being obtained by applying a photoelectric conversion characteristic to input data of a high dynamic range image, and
perform the electro-optical conversion on the received video data based on the characteristic information for the electro-optical conversion to obtain output video data, different values being associated with different curves of a plurality of types for the electro-optical conversion, and the characteristic information including one of the different values based on which of the different curves of the plurality of types for the electro-optical conversion is indicated,
wherein initial segments of the different curves overlap different ranges of a reference curve.
22. The display device according to claim 21 , wherein the one of the plurality of types for the electro-optical conversion indicated by the characteristic information is a high-dynamic range conversion type selected from the plurality of types for the electro-optical conversion based on a user operation.
23. The display device according to claim 21 , wherein the characteristic information is inserted in each predetermined unit of the video data.
24. The display device according to claim 21 , wherein the reference curve is a legacy gamma curve.