Commit efc19038 authored by diego's avatar diego

libswscale: Relicense almost all x86 assembler optimizations as LGPL.

This is of course done with permissions from the authors. The only GPL
component left are MMX optimizations for YUV to RGB conversion.


git-svn-id: file:///var/local/repositories/mplayer/trunk/libswscale@30965 b3059339-0415-0410-9bf9-f77b7e298cf2
parent ad41595c
...@@ -8,22 +8,19 @@ ...@@ -8,22 +8,19 @@
* *
* This file is part of FFmpeg. * This file is part of FFmpeg.
* *
* FFmpeg is free software; you can redistribute it and/or modify * FFmpeg is free software; you can redistribute it and/or
* it under the terms of the GNU General Public License as published by * modify it under the terms of the GNU Lesser General Public
* the Free Software Foundation; either version 2 of the License, or * License as published by the Free Software Foundation; either
* (at your option) any later version. * version 2.1 of the License, or (at your option) any later version.
* *
* FFmpeg is distributed in the hope that it will be useful, * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* GNU General Public License for more details. * Lesser General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU Lesser General Public
* along with FFmpeg; if not, write to the Free Software * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* The C code (not assembly, MMX, ...) of this file can be used
* under the LGPL license.
*/ */
#include <inttypes.h> #include <inttypes.h>
#include "config.h" #include "config.h"
...@@ -101,7 +98,7 @@ void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t ...@@ -101,7 +98,7 @@ void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t
long lumStride, long chromStride, long srcStride); long lumStride, long chromStride, long srcStride);
#if ARCH_X86 && CONFIG_GPL #if ARCH_X86
DECLARE_ASM_CONST(8, uint64_t, mmx_null) = 0x0000000000000000ULL; DECLARE_ASM_CONST(8, uint64_t, mmx_null) = 0x0000000000000000ULL;
DECLARE_ASM_CONST(8, uint64_t, mmx_one) = 0xFFFFFFFFFFFFFFFFULL; DECLARE_ASM_CONST(8, uint64_t, mmx_one) = 0xFFFFFFFFFFFFFFFFULL;
DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL; DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL;
...@@ -162,7 +159,7 @@ DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL; ...@@ -162,7 +159,7 @@ DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL;
#define RENAME(a) a ## _C #define RENAME(a) a ## _C
#include "rgb2rgb_template.c" #include "rgb2rgb_template.c"
#if ARCH_X86 && CONFIG_GPL #if ARCH_X86
//MMX versions //MMX versions
#undef RENAME #undef RENAME
...@@ -198,7 +195,7 @@ DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL; ...@@ -198,7 +195,7 @@ DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL;
void sws_rgb2rgb_init(int flags) void sws_rgb2rgb_init(int flags)
{ {
#if (HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX) && CONFIG_GPL #if HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX
if (flags & SWS_CPU_CAPS_MMX2) if (flags & SWS_CPU_CAPS_MMX2)
rgb2rgb_init_MMX2(); rgb2rgb_init_MMX2();
else if (flags & SWS_CPU_CAPS_3DNOW) else if (flags & SWS_CPU_CAPS_3DNOW)
......
...@@ -9,22 +9,19 @@ ...@@ -9,22 +9,19 @@
* *
* This file is part of FFmpeg. * This file is part of FFmpeg.
* *
* FFmpeg is free software; you can redistribute it and/or modify * FFmpeg is free software; you can redistribute it and/or
* it under the terms of the GNU General Public License as published by * modify it under the terms of the GNU Lesser General Public
* the Free Software Foundation; either version 2 of the License, or * License as published by the Free Software Foundation; either
* (at your option) any later version. * version 2.1 of the License, or (at your option) any later version.
* *
* FFmpeg is distributed in the hope that it will be useful, * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* GNU General Public License for more details. * Lesser General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU Lesser General Public
* along with FFmpeg; if not, write to the Free Software * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* The C code (not assembly, MMX, ...) of this file can be used
* under the LGPL license.
*/ */
#include <stddef.h> #include <stddef.h>
......
...@@ -3,22 +3,19 @@ ...@@ -3,22 +3,19 @@
* *
* This file is part of FFmpeg. * This file is part of FFmpeg.
* *
* FFmpeg is free software; you can redistribute it and/or modify * FFmpeg is free software; you can redistribute it and/or
* it under the terms of the GNU General Public License as published by * modify it under the terms of the GNU Lesser General Public
* the Free Software Foundation; either version 2 of the License, or * License as published by the Free Software Foundation; either
* (at your option) any later version. * version 2.1 of the License, or (at your option) any later version.
* *
* FFmpeg is distributed in the hope that it will be useful, * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* GNU General Public License for more details. * Lesser General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU Lesser General Public
* along with FFmpeg; if not, write to the Free Software * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* the C code (not assembly, mmx, ...) of this file can be used
* under the LGPL license too
*/ */
/* /*
...@@ -130,7 +127,7 @@ add BGR4 output support ...@@ -130,7 +127,7 @@ add BGR4 output support
write special BGR->BGR scaler write special BGR->BGR scaler
*/ */
#if ARCH_X86 && CONFIG_GPL #if ARCH_X86
DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL; DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL; DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL; DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
...@@ -185,7 +182,7 @@ DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = { ...@@ -185,7 +182,7 @@ DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = {
DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL; DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL;
#endif /* ARCH_X86 && CONFIG_GPL */ #endif /* ARCH_X86 */
DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4)[2][8]={ DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4)[2][8]={
{ 1, 3, 1, 3, 1, 3, 1, 3, }, { 1, 3, 1, 3, 1, 3, 1, 3, },
...@@ -1154,7 +1151,7 @@ static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uin ...@@ -1154,7 +1151,7 @@ static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uin
//Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one //Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one
//Plain C versions //Plain C versions
#if ((!HAVE_MMX || !CONFIG_GPL) && !HAVE_ALTIVEC) || CONFIG_RUNTIME_CPUDETECT #if (!HAVE_MMX && !HAVE_ALTIVEC) || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_C #define COMPILE_C
#endif #endif
...@@ -1166,15 +1163,15 @@ static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uin ...@@ -1166,15 +1163,15 @@ static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uin
#if ARCH_X86 #if ARCH_X86
#if ((HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL #if (HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_MMX #define COMPILE_MMX
#endif #endif
#if (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL #if HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_MMX2 #define COMPILE_MMX2
#endif #endif
#if ((HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL #if (HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_3DNOW #define COMPILE_3DNOW
#endif #endif
#endif //ARCH_X86 #endif //ARCH_X86
...@@ -1245,7 +1242,7 @@ SwsFunc ff_getSwsFunc(SwsContext *c) ...@@ -1245,7 +1242,7 @@ SwsFunc ff_getSwsFunc(SwsContext *c)
#if CONFIG_RUNTIME_CPUDETECT #if CONFIG_RUNTIME_CPUDETECT
int flags = c->flags; int flags = c->flags;
#if ARCH_X86 && CONFIG_GPL #if ARCH_X86
// ordered per speed fastest first // ordered per speed fastest first
if (flags & SWS_CPU_CAPS_MMX2) { if (flags & SWS_CPU_CAPS_MMX2) {
sws_init_swScale_MMX2(c); sws_init_swScale_MMX2(c);
...@@ -1273,7 +1270,7 @@ SwsFunc ff_getSwsFunc(SwsContext *c) ...@@ -1273,7 +1270,7 @@ SwsFunc ff_getSwsFunc(SwsContext *c)
#endif #endif
sws_init_swScale_C(c); sws_init_swScale_C(c);
return swScale_C; return swScale_C;
#endif /* ARCH_X86 && CONFIG_GPL */ #endif /* ARCH_X86 */
#else //CONFIG_RUNTIME_CPUDETECT #else //CONFIG_RUNTIME_CPUDETECT
#if COMPILE_TEMPLATE_MMX2 #if COMPILE_TEMPLATE_MMX2
sws_init_swScale_MMX2(c); sws_init_swScale_MMX2(c);
......
...@@ -3,22 +3,19 @@ ...@@ -3,22 +3,19 @@
* *
* This file is part of FFmpeg. * This file is part of FFmpeg.
* *
* FFmpeg is free software; you can redistribute it and/or modify * FFmpeg is free software; you can redistribute it and/or
* it under the terms of the GNU General Public License as published by * modify it under the terms of the GNU Lesser General Public
* the Free Software Foundation; either version 2 of the License, or * License as published by the Free Software Foundation; either
* (at your option) any later version. * version 2.1 of the License, or (at your option) any later version.
* *
* FFmpeg is distributed in the hope that it will be useful, * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* GNU General Public License for more details. * Lesser General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU Lesser General Public
* along with FFmpeg; if not, write to the Free Software * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* The C code (not assembly, MMX, ...) of this file can be used
* under the LGPL license.
*/ */
#undef REAL_MOVNTQ #undef REAL_MOVNTQ
...@@ -2258,7 +2255,7 @@ static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst, ...@@ -2258,7 +2255,7 @@ static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
long dstWidth, const uint8_t *src, int srcW, long dstWidth, const uint8_t *src, int srcW,
int xInc) int xInc)
{ {
#if ARCH_X86 && CONFIG_GPL #if ARCH_X86
#if COMPILE_TEMPLATE_MMX2 #if COMPILE_TEMPLATE_MMX2
int32_t *filterPos = c->hLumFilterPos; int32_t *filterPos = c->hLumFilterPos;
int16_t *filter = c->hLumFilter; int16_t *filter = c->hLumFilter;
...@@ -2407,7 +2404,7 @@ static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst, ...@@ -2407,7 +2404,7 @@ static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
long dstWidth, const uint8_t *src1, long dstWidth, const uint8_t *src1,
const uint8_t *src2, int srcW, int xInc) const uint8_t *src2, int srcW, int xInc)
{ {
#if ARCH_X86 && CONFIG_GPL #if ARCH_X86
#if COMPILE_TEMPLATE_MMX2 #if COMPILE_TEMPLATE_MMX2
int32_t *filterPos = c->hChrFilterPos; int32_t *filterPos = c->hChrFilterPos;
int16_t *filter = c->hChrFilter; int16_t *filter = c->hChrFilter;
......
...@@ -3,22 +3,19 @@ ...@@ -3,22 +3,19 @@
* *
* This file is part of FFmpeg. * This file is part of FFmpeg.
* *
* FFmpeg is free software; you can redistribute it and/or modify * FFmpeg is free software; you can redistribute it and/or
* it under the terms of the GNU General Public License as published by * modify it under the terms of the GNU Lesser General Public
* the Free Software Foundation; either version 2 of the License, or * License as published by the Free Software Foundation; either
* (at your option) any later version. * version 2.1 of the License, or (at your option) any later version.
* *
* FFmpeg is distributed in the hope that it will be useful, * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* GNU General Public License for more details. * Lesser General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU Lesser General Public
* along with FFmpeg; if not, write to the Free Software * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* the C code (not assembly, mmx, ...) of this file can be used
* under the LGPL license too
*/ */
#define _SVID_SOURCE //needed for MAP_ANONYMOUS #define _SVID_SOURCE //needed for MAP_ANONYMOUS
...@@ -508,7 +505,7 @@ fail: ...@@ -508,7 +505,7 @@ fail:
return ret; return ret;
} }
#if ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL #if ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT)
static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *filter, int32_t *filterPos, int numSplits) static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *filter, int32_t *filterPos, int numSplits)
{ {
uint8_t *fragmentA; uint8_t *fragmentA;
...@@ -666,7 +663,7 @@ static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *fil ...@@ -666,7 +663,7 @@ static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *fil
return fragmentPos + 1; return fragmentPos + 1;
} }
#endif /* ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL */ #endif /* ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) */
static void getSubSampleFactors(int *h, int *v, enum PixelFormat format) static void getSubSampleFactors(int *h, int *v, enum PixelFormat format)
{ {
...@@ -951,7 +948,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, ...@@ -951,7 +948,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat,
/* precalculate horizontal scaler filter coefficients */ /* precalculate horizontal scaler filter coefficients */
{ {
#if ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL #if ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT)
// can't downscale !!! // can't downscale !!!
if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) { if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) {
c->lumMmx2FilterCodeSize = initMMX2HScaler( dstW, c->lumXInc, NULL, NULL, NULL, 8); c->lumMmx2FilterCodeSize = initMMX2HScaler( dstW, c->lumXInc, NULL, NULL, NULL, 8);
...@@ -983,7 +980,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, ...@@ -983,7 +980,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat,
mprotect(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, PROT_EXEC | PROT_READ); mprotect(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
#endif #endif
} else } else
#endif /* ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL */ #endif /* ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) */
{ {
const int filterAlign= const int filterAlign=
(flags & SWS_CPU_CAPS_MMX) ? 4 : (flags & SWS_CPU_CAPS_MMX) ? 4 :
...@@ -1540,7 +1537,7 @@ void sws_freeContext(SwsContext *c) ...@@ -1540,7 +1537,7 @@ void sws_freeContext(SwsContext *c)
av_freep(&c->hLumFilterPos); av_freep(&c->hLumFilterPos);
av_freep(&c->hChrFilterPos); av_freep(&c->hChrFilterPos);
#if ARCH_X86 && CONFIG_GPL #if ARCH_X86
#ifdef MAP_ANONYMOUS #ifdef MAP_ANONYMOUS
if (c->lumMmx2FilterCode) munmap(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize); if (c->lumMmx2FilterCode) munmap(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize);
if (c->chrMmx2FilterCode) munmap(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize); if (c->chrMmx2FilterCode) munmap(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize);
...@@ -1553,7 +1550,7 @@ void sws_freeContext(SwsContext *c) ...@@ -1553,7 +1550,7 @@ void sws_freeContext(SwsContext *c)
#endif #endif
c->lumMmx2FilterCode=NULL; c->lumMmx2FilterCode=NULL;
c->chrMmx2FilterCode=NULL; c->chrMmx2FilterCode=NULL;
#endif /* ARCH_X86 && CONFIG_GPL */ #endif /* ARCH_X86 */
av_freep(&c->yuvTable); av_freep(&c->yuvTable);
......
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