Re: [FFmpeg-devel] [PATCHv5 1/4] lavc/h263dsp: add DCT dequantisation functions

2024-06-13 Thread Rémi Denis-Courmont
Le torstaina 13. kesäkuuta 2024, 5.23.12 EEST Andreas Rheinhardt a écrit : > Rémi Denis-Courmont: > > Note that optimised implementations of these functions will be taken > > into actual use only if MpegEncContext.dct_unquantize_h263_{inter,intra} > > are *not* overloaded by existing optimisations.

Re: [FFmpeg-devel] [PATCHv5 1/4] lavc/h263dsp: add DCT dequantisation functions

2024-06-12 Thread Andreas Rheinhardt
Rémi Denis-Courmont: > Note that optimised implementations of these functions will be taken > into actual use only if MpegEncContext.dct_unquantize_h263_{inter,intra} > are *not* overloaded by existing optimisations. > > --- > This adds the plus ones back, saving two branch instructions in C and >

Re: [FFmpeg-devel] [PATCHv5 1/4] lavc/h263dsp: add DCT dequantisation functions

2024-06-12 Thread Rémi Denis-Courmont
Le keskiviikkona 12. kesäkuuta 2024, 20.40.37 EEST James Almer a écrit : > On 6/12/2024 1:47 AM, Rémi Denis-Courmont wrote: > > Note that optimised implementations of these functions will be taken > > into actual use only if MpegEncContext.dct_unquantize_h263_{inter,intra} > > are *not* overloaded

Re: [FFmpeg-devel] [PATCHv5 1/4] lavc/h263dsp: add DCT dequantisation functions

2024-06-12 Thread James Almer
On 6/12/2024 1:47 AM, Rémi Denis-Courmont wrote: Note that optimised implementations of these functions will be taken into actual use only if MpegEncContext.dct_unquantize_h263_{inter,intra} are *not* overloaded by existing optimisations. --- This adds the plus ones back, saving two branch instr

[FFmpeg-devel] [PATCHv5 1/4] lavc/h263dsp: add DCT dequantisation functions

2024-06-11 Thread Rémi Denis-Courmont
Note that optimised implementations of these functions will be taken into actual use only if MpegEncContext.dct_unquantize_h263_{inter,intra} are *not* overloaded by existing optimisations. --- This adds the plus ones back, saving two branch instructions in C and one in assembler (at the cost of t