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50 lines
1.7 KiB
50 lines
1.7 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/attributes.h" |
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#include "avcodec.h" |
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#include "dct.h" |
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#include "faandct.h" |
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#include "fdctdsp.h" |
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#include "config.h" |
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av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx) |
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{ |
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const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; |
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if (avctx->bits_per_raw_sample == 10) { |
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c->fdct = ff_jpeg_fdct_islow_10; |
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c->fdct248 = ff_fdct248_islow_10; |
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} else { |
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if (avctx->dct_algo == FF_DCT_FASTINT) { |
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c->fdct = ff_fdct_ifast; |
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c->fdct248 = ff_fdct_ifast248; |
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} else if (avctx->dct_algo == FF_DCT_FAAN) { |
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c->fdct = ff_faandct; |
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c->fdct248 = ff_faandct248; |
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} else { |
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c->fdct = ff_jpeg_fdct_islow_8; // slow/accurate/default |
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c->fdct248 = ff_fdct248_islow_8; |
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} |
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} |
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if (ARCH_PPC) |
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ff_fdctdsp_init_ppc(c, avctx, high_bit_depth); |
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if (ARCH_X86) |
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ff_fdctdsp_init_x86(c, avctx, high_bit_depth); |
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}
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