mirror of
https://git.ffmpeg.org/ffmpeg.git
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195 lines
6.8 KiB
C
195 lines
6.8 KiB
C
/*
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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 <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavutil/intreadwrite.h"
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#include "libavcodec/vc1dsp.h"
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#include "vc1dsp.h"
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void ff_vc1_inv_trans_8x8_neon(int16_t *block);
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void ff_vc1_inv_trans_4x8_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
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void ff_vc1_inv_trans_8x4_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
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void ff_vc1_inv_trans_4x4_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
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void ff_vc1_inv_trans_8x8_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
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void ff_vc1_inv_trans_4x8_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
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void ff_vc1_inv_trans_8x4_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
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void ff_vc1_inv_trans_4x4_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
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void ff_vc1_v_loop_filter4_neon(uint8_t *src, ptrdiff_t stride, int pq);
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void ff_vc1_h_loop_filter4_neon(uint8_t *src, ptrdiff_t stride, int pq);
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void ff_vc1_v_loop_filter8_neon(uint8_t *src, ptrdiff_t stride, int pq);
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void ff_vc1_h_loop_filter8_neon(uint8_t *src, ptrdiff_t stride, int pq);
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void ff_vc1_v_loop_filter16_neon(uint8_t *src, ptrdiff_t stride, int pq);
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void ff_vc1_h_loop_filter16_neon(uint8_t *src, ptrdiff_t stride, int pq);
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void ff_put_pixels8x8_neon(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int rnd);
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#define DECL_PUT(X, Y) \
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void ff_put_vc1_mspel_mc##X##Y##_neon(uint8_t *dst, const uint8_t *src, \
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ptrdiff_t stride, int rnd); \
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static void ff_put_vc1_mspel_mc##X##Y##_16_neon(uint8_t *dst, const uint8_t *src, \
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ptrdiff_t stride, int rnd) \
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{ \
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ff_put_vc1_mspel_mc##X##Y##_neon(dst+0, src+0, stride, rnd); \
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ff_put_vc1_mspel_mc##X##Y##_neon(dst+8, src+8, stride, rnd); \
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dst += 8*stride; src += 8*stride; \
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ff_put_vc1_mspel_mc##X##Y##_neon(dst+0, src+0, stride, rnd); \
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ff_put_vc1_mspel_mc##X##Y##_neon(dst+8, src+8, stride, rnd); \
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}
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DECL_PUT(1, 0)
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DECL_PUT(2, 0)
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DECL_PUT(3, 0)
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DECL_PUT(0, 1)
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DECL_PUT(0, 2)
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DECL_PUT(0, 3)
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DECL_PUT(1, 1)
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DECL_PUT(1, 2)
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DECL_PUT(1, 3)
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DECL_PUT(2, 1)
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DECL_PUT(2, 2)
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DECL_PUT(2, 3)
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DECL_PUT(3, 1)
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DECL_PUT(3, 2)
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DECL_PUT(3, 3)
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void ff_put_vc1_chroma_mc8_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride,
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int h, int x, int y);
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void ff_avg_vc1_chroma_mc8_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride,
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int h, int x, int y);
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void ff_put_vc1_chroma_mc4_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride,
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int h, int x, int y);
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void ff_avg_vc1_chroma_mc4_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride,
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int h, int x, int y);
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int ff_vc1_unescape_buffer_helper_neon(const uint8_t *src, int size, uint8_t *dst);
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static int vc1_unescape_buffer_neon(const uint8_t *src, int size, uint8_t *dst)
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{
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/* Dealing with starting and stopping, and removing escape bytes, are
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* comparatively less time-sensitive, so are more clearly expressed using
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* a C wrapper around the assembly inner loop. Note that we assume a
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* little-endian machine that supports unaligned loads. */
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int dsize = 0;
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while (size >= 4)
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{
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int found = 0;
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while (!found && (((uintptr_t) dst) & 7) && size >= 4)
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{
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found = (AV_RL32(src) &~ 0x03000000) == 0x00030000;
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if (!found)
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{
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*dst++ = *src++;
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--size;
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++dsize;
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}
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}
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if (!found)
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{
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int skip = size - ff_vc1_unescape_buffer_helper_neon(src, size, dst);
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dst += skip;
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src += skip;
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size -= skip;
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dsize += skip;
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while (!found && size >= 4)
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{
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found = (AV_RL32(src) &~ 0x03000000) == 0x00030000;
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if (!found)
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{
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*dst++ = *src++;
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--size;
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++dsize;
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}
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}
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}
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if (found)
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{
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*dst++ = *src++;
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*dst++ = *src++;
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++src;
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size -= 3;
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dsize += 2;
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}
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}
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while (size > 0)
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{
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*dst++ = *src++;
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--size;
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++dsize;
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}
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return dsize;
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}
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#define FN_ASSIGN(X, Y) \
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dsp->put_vc1_mspel_pixels_tab[0][X+4*Y] = ff_put_vc1_mspel_mc##X##Y##_16_neon; \
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dsp->put_vc1_mspel_pixels_tab[1][X+4*Y] = ff_put_vc1_mspel_mc##X##Y##_neon
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av_cold void ff_vc1dsp_init_neon(VC1DSPContext *dsp)
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{
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dsp->vc1_inv_trans_8x8 = ff_vc1_inv_trans_8x8_neon;
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dsp->vc1_inv_trans_4x8 = ff_vc1_inv_trans_4x8_neon;
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dsp->vc1_inv_trans_8x4 = ff_vc1_inv_trans_8x4_neon;
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dsp->vc1_inv_trans_4x4 = ff_vc1_inv_trans_4x4_neon;
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dsp->vc1_inv_trans_8x8_dc = ff_vc1_inv_trans_8x8_dc_neon;
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dsp->vc1_inv_trans_4x8_dc = ff_vc1_inv_trans_4x8_dc_neon;
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dsp->vc1_inv_trans_8x4_dc = ff_vc1_inv_trans_8x4_dc_neon;
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dsp->vc1_inv_trans_4x4_dc = ff_vc1_inv_trans_4x4_dc_neon;
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dsp->vc1_v_loop_filter4 = ff_vc1_v_loop_filter4_neon;
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dsp->vc1_h_loop_filter4 = ff_vc1_h_loop_filter4_neon;
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dsp->vc1_v_loop_filter8 = ff_vc1_v_loop_filter8_neon;
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dsp->vc1_h_loop_filter8 = ff_vc1_h_loop_filter8_neon;
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dsp->vc1_v_loop_filter16 = ff_vc1_v_loop_filter16_neon;
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dsp->vc1_h_loop_filter16 = ff_vc1_h_loop_filter16_neon;
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dsp->put_vc1_mspel_pixels_tab[1][ 0] = ff_put_pixels8x8_neon;
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FN_ASSIGN(1, 0);
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FN_ASSIGN(2, 0);
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FN_ASSIGN(3, 0);
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FN_ASSIGN(0, 1);
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FN_ASSIGN(1, 1);
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FN_ASSIGN(2, 1);
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FN_ASSIGN(3, 1);
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FN_ASSIGN(0, 2);
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FN_ASSIGN(1, 2);
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FN_ASSIGN(2, 2);
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FN_ASSIGN(3, 2);
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FN_ASSIGN(0, 3);
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FN_ASSIGN(1, 3);
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FN_ASSIGN(2, 3);
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FN_ASSIGN(3, 3);
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dsp->put_no_rnd_vc1_chroma_pixels_tab[0] = ff_put_vc1_chroma_mc8_neon;
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dsp->avg_no_rnd_vc1_chroma_pixels_tab[0] = ff_avg_vc1_chroma_mc8_neon;
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dsp->put_no_rnd_vc1_chroma_pixels_tab[1] = ff_put_vc1_chroma_mc4_neon;
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dsp->avg_no_rnd_vc1_chroma_pixels_tab[1] = ff_avg_vc1_chroma_mc4_neon;
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dsp->vc1_unescape_buffer = vc1_unescape_buffer_neon;
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}
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