Re: [PATCH v4 1/9] media: uapi: mpeg2: Rework quantization matrices semantics

2021-04-03 Thread Ezequiel Garcia
Hi Nicolas, On Mon, 2021-03-29 at 16:53 -0400, Nicolas Dufresne wrote: > Le lundi 29 mars 2021 à 15:13 -0300, Ezequiel Garcia a écrit : > > As stated in the MPEG-2 specification, section 6.3.7 "Quant matrix > > extension": > > > >   Each quantisation matrix has a default set of values. When a > >

Re: [PATCH v4 1/9] media: uapi: mpeg2: Rework quantization matrices semantics

2021-03-29 Thread Nicolas Dufresne
Le lundi 29 mars 2021 à 15:13 -0300, Ezequiel Garcia a écrit : > As stated in the MPEG-2 specification, section 6.3.7 "Quant matrix > extension": > >   Each quantisation matrix has a default set of values. When a >   sequence_header_code is decoded all matrices shall be reset to >   their default

[PATCH v4 1/9] media: uapi: mpeg2: Rework quantization matrices semantics

2021-03-29 Thread Ezequiel Garcia
As stated in the MPEG-2 specification, section 6.3.7 "Quant matrix extension": Each quantisation matrix has a default set of values. When a sequence_header_code is decoded all matrices shall be reset to their default values. User defined matrices may be downloaded and this can occur in a s