ffmpeg-cuda / libavutil /x86 /pixelutils_init.c

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8ead80b about 3 years ago

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/*
 * 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 "config.h"

#include "pixelutils.h"
#include "cpu.h"

int ff_pixelutils_sad_8x8_mmxext(const uint8_t *src1, ptrdiff_t stride1,
                                 const uint8_t *src2, ptrdiff_t stride2);

int ff_pixelutils_sad_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
                                 const uint8_t *src2, ptrdiff_t stride2);
int ff_pixelutils_sad_a_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
                                   const uint8_t *src2, ptrdiff_t stride2);
int ff_pixelutils_sad_u_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
                                   const uint8_t *src2, ptrdiff_t stride2);

int ff_pixelutils_sad_32x32_sse2(const uint8_t *src1, ptrdiff_t stride1,
                                 const uint8_t *src2, ptrdiff_t stride2);
int ff_pixelutils_sad_a_32x32_sse2(const uint8_t *src1, ptrdiff_t stride1,
                                   const uint8_t *src2, ptrdiff_t stride2);
int ff_pixelutils_sad_u_32x32_sse2(const uint8_t *src1, ptrdiff_t stride1,
                                   const uint8_t *src2, ptrdiff_t stride2);

int ff_pixelutils_sad_32x32_avx2(const uint8_t *src1, ptrdiff_t stride1,
                                 const uint8_t *src2, ptrdiff_t stride2);
int ff_pixelutils_sad_a_32x32_avx2(const uint8_t *src1, ptrdiff_t stride1,
                                   const uint8_t *src2, ptrdiff_t stride2);
int ff_pixelutils_sad_u_32x32_avx2(const uint8_t *src1, ptrdiff_t stride1,
                                   const uint8_t *src2, ptrdiff_t stride2);

void ff_pixelutils_sad_init_x86(av_pixelutils_sad_fn *sad, int aligned)
{
    int cpu_flags = av_get_cpu_flags();

    // The best way to use SSE2 would be to do 2 SADs in parallel,
    // but we'd have to modify the pixelutils API to return SIMD functions.

    // It's probably not faster to shuffle data around
    // to get two lines of 8 pixels into a single 16byte register,
    // so just use the MMX 8x8 version even when SSE2 is available.
    if (EXTERNAL_MMXEXT(cpu_flags)) {
        sad[2] = ff_pixelutils_sad_8x8_mmxext;
    }

    if (EXTERNAL_SSE2(cpu_flags)) {
        switch (aligned) {
        case 0: sad[3] = ff_pixelutils_sad_16x16_sse2;   break; // src1 unaligned, src2 unaligned
        case 1: sad[3] = ff_pixelutils_sad_u_16x16_sse2; break; // src1   aligned, src2 unaligned
        case 2: sad[3] = ff_pixelutils_sad_a_16x16_sse2; break; // src1   aligned, src2   aligned
        }
    }

    if (EXTERNAL_SSE2(cpu_flags)) {
        switch (aligned) {
        case 0: sad[4] = ff_pixelutils_sad_32x32_sse2;   break; // src1 unaligned, src2 unaligned
        case 1: sad[4] = ff_pixelutils_sad_u_32x32_sse2; break; // src1   aligned, src2 unaligned
        case 2: sad[4] = ff_pixelutils_sad_a_32x32_sse2; break; // src1   aligned, src2   aligned
        }
    }

    if (EXTERNAL_AVX2_FAST(cpu_flags)) {
        switch (aligned) {
        case 0: sad[4] = ff_pixelutils_sad_32x32_avx2;   break; // src1 unaligned, src2 unaligned
        case 1: sad[4] = ff_pixelutils_sad_u_32x32_avx2; break; // src1   aligned, src2 unaligned
        case 2: sad[4] = ff_pixelutils_sad_a_32x32_avx2; break; // src1   aligned, src2   aligned
        }
    }
}

	/*
	* 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 "config.h"

	#include "pixelutils.h"
	#include "cpu.h"

	int ff_pixelutils_sad_8x8_mmxext(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);

	int ff_pixelutils_sad_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);
	int ff_pixelutils_sad_a_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);
	int ff_pixelutils_sad_u_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);

	int ff_pixelutils_sad_32x32_sse2(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);
	int ff_pixelutils_sad_a_32x32_sse2(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);
	int ff_pixelutils_sad_u_32x32_sse2(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);

	int ff_pixelutils_sad_32x32_avx2(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);
	int ff_pixelutils_sad_a_32x32_avx2(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);
	int ff_pixelutils_sad_u_32x32_avx2(const uint8_t *src1, ptrdiff_t stride1,
	const uint8_t *src2, ptrdiff_t stride2);

	void ff_pixelutils_sad_init_x86(av_pixelutils_sad_fn *sad, int aligned)
	{
	int cpu_flags = av_get_cpu_flags();

	// The best way to use SSE2 would be to do 2 SADs in parallel,
	// but we'd have to modify the pixelutils API to return SIMD functions.

	// It's probably not faster to shuffle data around
	// to get two lines of 8 pixels into a single 16byte register,
	// so just use the MMX 8x8 version even when SSE2 is available.
	if (EXTERNAL_MMXEXT(cpu_flags)) {
	sad[2] = ff_pixelutils_sad_8x8_mmxext;
	}

	if (EXTERNAL_SSE2(cpu_flags)) {
	switch (aligned) {
	case 0: sad[3] = ff_pixelutils_sad_16x16_sse2; break; // src1 unaligned, src2 unaligned
	case 1: sad[3] = ff_pixelutils_sad_u_16x16_sse2; break; // src1 aligned, src2 unaligned
	case 2: sad[3] = ff_pixelutils_sad_a_16x16_sse2; break; // src1 aligned, src2 aligned
	}
	}

	if (EXTERNAL_SSE2(cpu_flags)) {
	switch (aligned) {
	case 0: sad[4] = ff_pixelutils_sad_32x32_sse2; break; // src1 unaligned, src2 unaligned
	case 1: sad[4] = ff_pixelutils_sad_u_32x32_sse2; break; // src1 aligned, src2 unaligned
	case 2: sad[4] = ff_pixelutils_sad_a_32x32_sse2; break; // src1 aligned, src2 aligned
	}
	}

	if (EXTERNAL_AVX2_FAST(cpu_flags)) {
	switch (aligned) {
	case 0: sad[4] = ff_pixelutils_sad_32x32_avx2; break; // src1 unaligned, src2 unaligned
	case 1: sad[4] = ff_pixelutils_sad_u_32x32_avx2; break; // src1 aligned, src2 unaligned
	case 2: sad[4] = ff_pixelutils_sad_a_32x32_avx2; break; // src1 aligned, src2 aligned
	}
	}
	}