From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- media/ffvpx/libavcodec/fdctdsp.c | 51 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 media/ffvpx/libavcodec/fdctdsp.c (limited to 'media/ffvpx/libavcodec/fdctdsp.c') diff --git a/media/ffvpx/libavcodec/fdctdsp.c b/media/ffvpx/libavcodec/fdctdsp.c new file mode 100644 index 0000000000..5306c9d047 --- /dev/null +++ b/media/ffvpx/libavcodec/fdctdsp.c @@ -0,0 +1,51 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/attributes.h" +#include "avcodec.h" +#include "dct.h" +#include "faandct.h" +#include "fdctdsp.h" +#include "config.h" + +av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx) +{ + av_unused const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; + + if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) { + c->fdct = ff_jpeg_fdct_islow_10; + c->fdct248 = ff_fdct248_islow_10; + } else if (avctx->dct_algo == FF_DCT_FASTINT) { + c->fdct = ff_fdct_ifast; + c->fdct248 = ff_fdct_ifast248; +#if CONFIG_FAANDCT + } else if (avctx->dct_algo == FF_DCT_FAAN) { + c->fdct = ff_faandct; + c->fdct248 = ff_faandct248; +#endif /* CONFIG_FAANDCT */ + } else { + c->fdct = ff_jpeg_fdct_islow_8; // slow/accurate/default + c->fdct248 = ff_fdct248_islow_8; + } + +#if ARCH_PPC + ff_fdctdsp_init_ppc(c, avctx, high_bit_depth); +#elif ARCH_X86 + ff_fdctdsp_init_x86(c, avctx, high_bit_depth); +#endif +} -- cgit v1.2.3