rfc9328v3.txt | rfc9328.txt | |||
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skipping to change at line 2029 ¶ | skipping to change at line 2029 ¶ | |||
The value of the parameter is a comma-separated (',') list of | The value of the parameter is a comma-separated (',') list of | |||
base64 encoding (Section 4 of [RFC4648]) representations of SEI | base64 encoding (Section 4 of [RFC4648]) representations of SEI | |||
NAL units, as specified in [VSEI]. | NAL units, as specified in [VSEI]. | |||
| Informative note: Intentionally, no list of applicable or | | Informative note: Intentionally, no list of applicable or | |||
| inapplicable SEI messages is specified here. Conveying | | inapplicable SEI messages is specified here. Conveying | |||
| certain SEI messages in sprop-sei may be sensible in some | | certain SEI messages in sprop-sei may be sensible in some | |||
| application scenarios and meaningless in others. However, a | | application scenarios and meaningless in others. However, a | |||
| few examples are described below: | | few examples are described below: | |||
| | ||||
1. In an environment where the bitstream was created from film- | | In an environment where the bitstream was created from film- | |||
based source material, and no splicing is going to occur | | based source material, and no splicing is going to occur | |||
during the lifetime of the session, the film grain | | during the lifetime of the session, the film grain | |||
characteristics SEI message is likely meaningful, and sending | | characteristics SEI message is likely meaningful, and | |||
it in sprop-sei, rather than in the bitstream at each entry | | sending it in sprop-sei, rather than in the bitstream at | |||
point, may help with saving bits and allows one to configure | | each entry point, may help with saving bits and allows one | |||
the renderer only once, avoiding unwanted artifacts. | | to configure the renderer only once, avoiding unwanted | |||
| artifacts. | ||||
2. Examples for SEI messages that would be meaningless to be | | | |||
conveyed in sprop-sei include the decoded picture hash SEI | | Examples for SEI messages that would be meaningless to be | |||
message (it is close to impossible that all decoded pictures | | conveyed in sprop-sei include the decoded picture hash SEI | |||
have the same hashtag) or the filler payload SEI message (as | | message (it is close to impossible that all decoded pictures | |||
there is no point in just having more bits in SDP). | | have the same hashtag) or the filler payload SEI message (as | |||
| there is no point in just having more bits in SDP). | ||||
max-lsr: | max-lsr: | |||
The max-lsr MAY be used to signal the capabilities of a receiver | The max-lsr MAY be used to signal the capabilities of a receiver | |||
implementation and MUST NOT be used for any other purpose. The | implementation and MUST NOT be used for any other purpose. The | |||
value of max-lsr is an integer indicating the maximum processing | value of max-lsr is an integer indicating the maximum processing | |||
rate in units of luma samples per second. The max-lsr parameter | rate in units of luma samples per second. The max-lsr parameter | |||
signals that the receiver is capable of decoding video at a higher | signals that the receiver is capable of decoding video at a higher | |||
rate than is required by the highest level. | rate than is required by the highest level. | |||
| Informative note: When the OPTIONAL media type parameters | | Informative note: When the OPTIONAL media type parameters | |||
End of changes. 1 change blocks. | ||||
14 lines changed or deleted | 15 lines changed or added | |||
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