H.264 Support in H.323 (Q117) |
The information in this article applies to: H.323, H.245, H.264
ITU-T Recommendation H.264 is supported in H.323 systems using the "generic video capabilities" defined in H.245. Signaling support for H.264 is described in ITU-T Recommendation H.241 ("Extended video procedures and control signals for H.300-series terminals").
As per H.241, the H.264 capability is identified in H.245 by the object identifier "{itu-t(0) recommendation(0) h(8) 241(241) specificVideoCodecCapabilities(0) h264(0) generic-capabilities(1)}". There are several collapsing parameters also defined:
Parameter ID | Parameter Name |
---|---|
1 | Profile |
2 | Level |
3 | CustomMaxMBPS |
4 | CustomMaxFS |
5 | CustomMaxDPB |
6 | CustomMaxBR&CPB |