mirror of https://github.com/FFmpeg/FFmpeg.git
Diego Biurrun
11 years ago
parent
1e9a93bfca
commit
a9aee08d90
21 changed files with 238 additions and 93 deletions
@ -0,0 +1,50 @@ |
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/*
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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@ -0,0 +1,37 @@ |
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/*
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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#ifndef AVCODEC_FDCTDSP_H |
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#define AVCODEC_FDCTDSP_H |
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#include <stdint.h> |
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#include "avcodec.h" |
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typedef struct FDCTDSPContext { |
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void (*fdct)(int16_t *block /* align 16 */); |
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void (*fdct248)(int16_t *block /* align 16 */); |
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} FDCTDSPContext; |
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void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx); |
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void ff_fdctdsp_init_ppc(FDCTDSPContext *c, AVCodecContext *avctx, |
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unsigned high_bit_depth); |
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void ff_fdctdsp_init_x86(FDCTDSPContext *c, AVCodecContext *avctx, |
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unsigned high_bit_depth); |
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#endif /* AVCODEC_FDCTDSP_H */ |
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@ -0,0 +1,26 @@ |
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/*
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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#ifndef AVCODEC_PPC_FDCTDSP_H |
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#define AVCODEC_PPC_FDCTDSP_H |
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#include <stdint.h> |
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void ff_fdct_altivec(int16_t *block); |
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#endif /* AVCODEC_PPC_FDCTDSP_H */ |
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@ -0,0 +1,44 @@ |
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/*
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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 "libavutil/cpu.h" |
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#include "libavutil/x86/cpu.h" |
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#include "libavcodec/avcodec.h" |
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#include "libavcodec/dct.h" |
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#include "libavcodec/fdctdsp.h" |
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av_cold void ff_fdctdsp_init_x86(FDCTDSPContext *c, AVCodecContext *avctx, |
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unsigned high_bit_depth) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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const int dct_algo = avctx->dct_algo; |
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if (!high_bit_depth) { |
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if ((dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) { |
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if (INLINE_MMX(cpu_flags)) |
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c->fdct = ff_fdct_mmx; |
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if (INLINE_MMXEXT(cpu_flags)) |
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c->fdct = ff_fdct_mmxext; |
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if (INLINE_SSE2(cpu_flags)) |
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c->fdct = ff_fdct_sse2; |
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} |
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} |
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} |
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