mirror of
https://github.com/FFmpeg/FFmpeg.git
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c1a0e65763
I want to move away from having random leaf processing functions mutate plane pointers, and while we're at it, we might as well make the strides and tables const as well. Sponsored-by: Sovereign Tech Fund Signed-off-by: Niklas Haas <git@haasn.dev>
222 lines
15 KiB
C
222 lines
15 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 "config.h"
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#include "libswscale/swscale.h"
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#include "libswscale/swscale_internal.h"
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#include "libavutil/aarch64/cpu.h"
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#define YUV_TO_RGB_TABLE \
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c->yuv2rgb_v2r_coeff, \
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c->yuv2rgb_u2g_coeff, \
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c->yuv2rgb_v2g_coeff, \
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c->yuv2rgb_u2b_coeff, \
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#define DECLARE_FF_YUVX_TO_RGBX_FUNCS(ifmt, ofmt) \
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int ff_##ifmt##_to_##ofmt##_neon(int w, int h, \
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uint8_t *dst, int linesize, \
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const uint8_t *srcY, int linesizeY, \
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const uint8_t *srcU, int linesizeU, \
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const uint8_t *srcV, int linesizeV, \
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const int16_t *table, \
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int y_offset, \
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int y_coeff); \
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\
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static int ifmt##_to_##ofmt##_neon_wrapper(SwsContext *c, const uint8_t *const src[], \
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const int srcStride[], int srcSliceY, \
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int srcSliceH, uint8_t *const dst[], \
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const int dstStride[]) { \
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const int16_t yuv2rgb_table[] = { YUV_TO_RGB_TABLE }; \
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\
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return ff_##ifmt##_to_##ofmt##_neon(c->srcW, srcSliceH, \
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dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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src[0], srcStride[0], \
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src[1], srcStride[1], \
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src[2], srcStride[2], \
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yuv2rgb_table, \
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c->yuv2rgb_y_offset >> 6, \
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c->yuv2rgb_y_coeff); \
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} \
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#define DECLARE_FF_YUVX_TO_GBRP_FUNCS(ifmt, ofmt) \
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int ff_##ifmt##_to_##ofmt##_neon(int w, int h, \
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uint8_t *dst, int linesize, \
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const uint8_t *srcY, int linesizeY, \
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const uint8_t *srcU, int linesizeU, \
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const uint8_t *srcV, int linesizeV, \
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const int16_t *table, \
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int y_offset, \
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int y_coeff, \
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uint8_t *dst1, int linesize1, \
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uint8_t *dst2, int linesize2); \
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\
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static int ifmt##_to_##ofmt##_neon_wrapper(SwsContext *c, const uint8_t *const src[], \
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const int srcStride[], int srcSliceY, \
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int srcSliceH, uint8_t *const dst[], \
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const int dstStride[]) { \
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const int16_t yuv2rgb_table[] = { YUV_TO_RGB_TABLE }; \
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\
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return ff_##ifmt##_to_##ofmt##_neon(c->srcW, srcSliceH, \
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dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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src[0], srcStride[0], \
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src[1], srcStride[1], \
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src[2], srcStride[2], \
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yuv2rgb_table, \
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c->yuv2rgb_y_offset >> 6, \
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c->yuv2rgb_y_coeff, \
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dst[1] + srcSliceY * dstStride[1], dstStride[1], \
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dst[2] + srcSliceY * dstStride[2], dstStride[2]); \
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} \
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#define DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(yuvx) \
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DECLARE_FF_YUVX_TO_RGBX_FUNCS(yuvx, argb) \
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DECLARE_FF_YUVX_TO_RGBX_FUNCS(yuvx, rgba) \
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DECLARE_FF_YUVX_TO_RGBX_FUNCS(yuvx, abgr) \
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DECLARE_FF_YUVX_TO_RGBX_FUNCS(yuvx, bgra) \
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DECLARE_FF_YUVX_TO_GBRP_FUNCS(yuvx, gbrp) \
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DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(yuv420p)
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DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(yuv422p)
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#define DECLARE_FF_NVX_TO_RGBX_FUNCS(ifmt, ofmt) \
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int ff_##ifmt##_to_##ofmt##_neon(int w, int h, \
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uint8_t *dst, int linesize, \
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const uint8_t *srcY, int linesizeY, \
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const uint8_t *srcC, int linesizeC, \
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const int16_t *table, \
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int y_offset, \
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int y_coeff); \
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\
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static int ifmt##_to_##ofmt##_neon_wrapper(SwsContext *c, const uint8_t *const src[], \
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const int srcStride[], int srcSliceY, \
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int srcSliceH, uint8_t *const dst[], \
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const int dstStride[]) { \
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const int16_t yuv2rgb_table[] = { YUV_TO_RGB_TABLE }; \
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\
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return ff_##ifmt##_to_##ofmt##_neon(c->srcW, srcSliceH, \
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dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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src[0], srcStride[0], src[1], srcStride[1], \
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yuv2rgb_table, \
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c->yuv2rgb_y_offset >> 6, \
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c->yuv2rgb_y_coeff); \
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} \
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#define DECLARE_FF_NVX_TO_GBRP_FUNCS(ifmt, ofmt) \
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int ff_##ifmt##_to_##ofmt##_neon(int w, int h, \
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uint8_t *dst, int linesize, \
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const uint8_t *srcY, int linesizeY, \
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const uint8_t *srcC, int linesizeC, \
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const int16_t *table, \
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int y_offset, \
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int y_coeff, \
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uint8_t *dst1, int linesize1, \
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uint8_t *dst2, int linesize2); \
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\
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static int ifmt##_to_##ofmt##_neon_wrapper(SwsContext *c, const uint8_t *const src[], \
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const int srcStride[], int srcSliceY, \
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int srcSliceH, uint8_t *const dst[], \
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const int dstStride[]) { \
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const int16_t yuv2rgb_table[] = { YUV_TO_RGB_TABLE }; \
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\
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return ff_##ifmt##_to_##ofmt##_neon(c->srcW, srcSliceH, \
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dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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src[0], srcStride[0], src[1], srcStride[1], \
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yuv2rgb_table, \
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c->yuv2rgb_y_offset >> 6, \
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c->yuv2rgb_y_coeff, \
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dst[1] + srcSliceY * dstStride[1], dstStride[1], \
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dst[2] + srcSliceY * dstStride[2], dstStride[2]); \
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} \
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void ff_nv24_to_yuv420p_chroma_neon(uint8_t *dst1, int dstStride1,
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uint8_t *dst2, int dstStride2,
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const uint8_t *src, int srcStride,
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int w, int h);
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static int nv24_to_yuv420p_neon_wrapper(SwsContext *c, const uint8_t *const src[],
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const int srcStride[], int srcSliceY, int srcSliceH,
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const uint8_t *dst[], const int dstStride[])
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{
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uint8_t *dst1 = dst[1] + dstStride[1] * srcSliceY / 2;
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uint8_t *dst2 = dst[2] + dstStride[2] * srcSliceY / 2;
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ff_copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
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dst[0], dstStride[0]);
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if (c->srcFormat == AV_PIX_FMT_NV24)
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ff_nv24_to_yuv420p_chroma_neon(dst1, dstStride[1], dst2, dstStride[2],
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src[1], srcStride[1], c->srcW / 2, srcSliceH);
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else
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ff_nv24_to_yuv420p_chroma_neon(dst2, dstStride[2], dst1, dstStride[1],
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src[1], srcStride[1], c->srcW / 2, srcSliceH);
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return srcSliceH;
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}
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#define DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nvx) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, argb) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, rgba) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, abgr) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, bgra) \
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DECLARE_FF_NVX_TO_GBRP_FUNCS(nvx, gbrp) \
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DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nv12)
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DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nv21)
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/* We need a 16 pixel width alignment. This constraint can easily be removed
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* for input reading but for the output which is 4-bytes per pixel (RGBA) the
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* assembly might be writing as much as 4*15=60 extra bytes at the end of the
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* line, which won't fit the 32-bytes buffer alignment. */
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#define SET_FF_NVX_TO_RGBX_FUNC(ifmt, IFMT, ofmt, OFMT, accurate_rnd) do { \
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if (c->srcFormat == AV_PIX_FMT_##IFMT \
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&& c->dstFormat == AV_PIX_FMT_##OFMT \
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&& !(c->srcH & 1) \
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&& !(c->srcW & 15) \
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&& !accurate_rnd) \
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c->convert_unscaled = ifmt##_to_##ofmt##_neon_wrapper; \
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} while (0)
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#define SET_FF_NVX_TO_ALL_RGBX_FUNC(nvx, NVX, accurate_rnd) do { \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, argb, ARGB, accurate_rnd); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, rgba, RGBA, accurate_rnd); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, abgr, ABGR, accurate_rnd); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, bgra, BGRA, accurate_rnd); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, gbrp, GBRP, accurate_rnd); \
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} while (0)
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static void get_unscaled_swscale_neon(SwsContext *c) {
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int accurate_rnd = c->flags & SWS_ACCURATE_RND;
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SET_FF_NVX_TO_ALL_RGBX_FUNC(nv12, NV12, accurate_rnd);
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SET_FF_NVX_TO_ALL_RGBX_FUNC(nv21, NV21, accurate_rnd);
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SET_FF_NVX_TO_ALL_RGBX_FUNC(yuv420p, YUV420P, accurate_rnd);
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SET_FF_NVX_TO_ALL_RGBX_FUNC(yuv422p, YUV422P, accurate_rnd);
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if (c->dstFormat == AV_PIX_FMT_YUV420P &&
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(c->srcFormat == AV_PIX_FMT_NV24 || c->srcFormat == AV_PIX_FMT_NV42) &&
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!(c->srcH & 1) && !(c->srcW & 15) && !accurate_rnd)
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c->convert_unscaled = nv24_to_yuv420p_neon_wrapper;
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}
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void ff_get_unscaled_swscale_aarch64(SwsContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_neon(cpu_flags))
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get_unscaled_swscale_neon(c);
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}
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