Fu, Linjie (12020-06-16): > Chapter 2.3 Parameter Sets in < High Efficiency Video Coding (HEVC) > Algorithms and Architectures> [1]:
That is ONE codec. Not all of them. > Indeed, the definition in spec is just the conformance, and how an encoder is > implemented in Libavcodec (and external library if any) is the thing really > matters. > > For encoders like libx264[2], libx265[3], libopenh264[4], if > AV_CODEC_FLAG_GLOBAL_HEADER > flag is declared, the parameter Sets would be copied to extra data as the > global header. > If not, parameter sets would be kept in the original bitstream, since it's > fundamentally > supported in the encoder. IIRC, encapsulation standards mandate one or the other for their respective formats. We cannot choose. Fact is, you cannot concatenate two packet streams and expect it to work. Regards, -- Nicolas George
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