Re: [FFmpeg-devel] [PATCH v9 07/13] vvcdec: add inv transform 1d

2024-01-03 Thread Nuo Mi
On Tue, Jan 2, 2024 at 11:55 PM Lynne wrote: > Jan 2, 2024, 14:01 by nuomi2...@gmail.com: > > > On Mon, Jan 1, 2024 at 10:50 PM Lynne wrote: > > > >> Jan 1, 2024, 15:16 by nuomi2...@gmail.com: > >> > >> > + */ > >> > +void ff_vvc_inv_dct2_4(int *coeffs, const ptrdiff_t stride, const > >> size_t

Re: [FFmpeg-devel] [PATCH v9 07/13] vvcdec: add inv transform 1d

2024-01-02 Thread Lynne
Jan 2, 2024, 14:01 by nuomi2...@gmail.com: > On Mon, Jan 1, 2024 at 10:50 PM Lynne wrote: > >> Jan 1, 2024, 15:16 by nuomi2...@gmail.com: >> >> > + */ >> > +void ff_vvc_inv_dct2_4(int *coeffs, const ptrdiff_t stride, const >> size_t nz) >> > +{ >> > +const int a = 64, b = 83, c = 36; >> > +

Re: [FFmpeg-devel] [PATCH v9 07/13] vvcdec: add inv transform 1d

2024-01-02 Thread Nuo Mi
On Mon, Jan 1, 2024 at 10:50 PM Lynne wrote: > Jan 1, 2024, 15:16 by nuomi2...@gmail.com: > > > + */ > > +void ff_vvc_inv_dct2_4(int *coeffs, const ptrdiff_t stride, const > size_t nz) > > +{ > > +const int a = 64, b = 83, c = 36; > > +const int x0 = coeffs[0 * stride], x1 = coeffs[1 * st

Re: [FFmpeg-devel] [PATCH v9 07/13] vvcdec: add inv transform 1d

2024-01-01 Thread Lynne
Jan 1, 2024, 15:16 by nuomi2...@gmail.com: > + */ > +void ff_vvc_inv_dct2_4(int *coeffs, const ptrdiff_t stride, const size_t nz) > +{ > +const int a = 64, b = 83, c = 36; > +const int x0 = coeffs[0 * stride], x1 = coeffs[1 * stride]; > +const int x2 = coeffs[2 * stride], x3 = coeffs[3

[FFmpeg-devel] [PATCH v9 07/13] vvcdec: add inv transform 1d

2024-01-01 Thread Nuo Mi
Co-authored-by: Xu Mu Co-authored-by: Frank Plowman Co-authored-by: Shaun Loo Co-authored-by: Wu Jianhua --- libavcodec/vvc/Makefile | 1 + libavcodec/vvc/vvc_itx_1d.c | 708 libavcodec/vvc/vvc_itx_1d.h | 52 +++ 3 files changed, 761 insertions(+) c