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libswscale: Relicense almost all x86 assembler optimizations as LGPL.

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

Originally committed as revision 30965 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Diego Biurrun 2010-03-27 11:31:02 +00:00
parent 7a5bdd79eb
commit 819ee683d8
5 changed files with 59 additions and 74 deletions
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25
libswscale/rgb2rgb.c
View File

@ -8,22 +8,19 @@
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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 General Public License for more details.
* 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 General Public License
* along with FFmpeg; if not, write to the Free Software
* 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
*
* The C code (not assembly, MMX, ...) of this file can be used
* under the LGPL license.
*/
#include <inttypes.h>
#include "config.h"
@ -101,7 +98,7 @@ void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t
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_one) = 0xFFFFFFFFFFFFFFFFULL;
DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL;
@ -162,7 +159,7 @@ DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL;
#define RENAME(a) a ## _C
#include "rgb2rgb_template.c"
#if ARCH_X86 && CONFIG_GPL
#if ARCH_X86
//MMX versions
#undef RENAME
@ -198,7 +195,7 @@ DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL;
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)
rgb2rgb_init_MMX2();
else if (flags & SWS_CPU_CAPS_3DNOW)

19
libswscale/rgb2rgb_template.c
View File

@ -9,22 +9,19 @@
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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 General Public License for more details.
* 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 General Public License
* along with FFmpeg; if not, write to the Free Software
* 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
*
* The C code (not assembly, MMX, ...) of this file can be used
* under the LGPL license.
*/
#include <stddef.h>

35
libswscale/swscale.c
View File

@ -3,22 +3,19 @@
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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 General Public License for more details.
* 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 General Public License
* along with FFmpeg; if not, write to the Free Software
* 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
*
* 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
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, bFC)= 0xFCFCFCFCFCFCFCFCLL;
DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
@ -185,7 +182,7 @@ DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = {
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]={
{ 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
//Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one
//Plain C versions
#if ((!HAVE_MMX || !CONFIG_GPL) && !HAVE_ALTIVEC) || CONFIG_RUNTIME_CPUDETECT
#if (!HAVE_MMX && !HAVE_ALTIVEC) || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_C
#endif
@ -1166,15 +1163,15 @@ static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uin
#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
#endif
#if (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL
#if HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_MMX2
#endif
#if ((HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL
#if (HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_3DNOW
#endif
#endif //ARCH_X86
@ -1245,7 +1242,7 @@ SwsFunc ff_getSwsFunc(SwsContext *c)
#if CONFIG_RUNTIME_CPUDETECT
int flags = c->flags;
#if ARCH_X86 && CONFIG_GPL
#if ARCH_X86
// ordered per speed fastest first
if (flags & SWS_CPU_CAPS_MMX2) {
sws_init_swScale_MMX2(c);
@ -1273,7 +1270,7 @@ SwsFunc ff_getSwsFunc(SwsContext *c)
#endif
sws_init_swScale_C(c);
return swScale_C;
#endif /* ARCH_X86 && CONFIG_GPL */
#endif /* ARCH_X86 */
#else //CONFIG_RUNTIME_CPUDETECT
#if COMPILE_TEMPLATE_MMX2
sws_init_swScale_MMX2(c);

23
libswscale/swscale_template.c
View File

@ -3,22 +3,19 @@
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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 General Public License for more details.
* 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 General Public License
* along with FFmpeg; if not, write to the Free Software
* 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
*
* The C code (not assembly, MMX, ...) of this file can be used
* under the LGPL license.
*/
#undef REAL_MOVNTQ
@ -2258,7 +2255,7 @@ static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
long dstWidth, const uint8_t *src, int srcW,
int xInc)
{
#if ARCH_X86 && CONFIG_GPL
#if ARCH_X86
#if COMPILE_TEMPLATE_MMX2
int32_t *filterPos = c->hLumFilterPos;
int16_t *filter = c->hLumFilter;
@ -2407,7 +2404,7 @@ static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
long dstWidth, const uint8_t *src1,
const uint8_t *src2, int srcW, int xInc)
{
#if ARCH_X86 && CONFIG_GPL
#if ARCH_X86
#if COMPILE_TEMPLATE_MMX2
int32_t *filterPos = c->hChrFilterPos;
int16_t *filter = c->hChrFilter;

31
libswscale/utils.c
View File

@ -3,22 +3,19 @@
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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 General Public License for more details.
* 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 General Public License
* along with FFmpeg; if not, write to the Free Software
* 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
*
* the C code (not assembly, mmx, ...) of this file can be used
* under the LGPL license too
*/
#define _SVID_SOURCE //needed for MAP_ANONYMOUS
@ -508,7 +505,7 @@ fail:
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)
{
uint8_t *fragmentA;
@ -666,7 +663,7 @@ static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *fil
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)
{
@ -951,7 +948,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat,
/* 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 !!!
if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) {
c->lumMmx2FilterCodeSize = initMMX2HScaler( dstW, c->lumXInc, NULL, NULL, NULL, 8);
@ -983,7 +980,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat,
mprotect(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
#endif
} else
#endif /* ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL */
#endif /* ARCH_X86 && (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) */
{
const int filterAlign=
(flags & SWS_CPU_CAPS_MMX) ? 4 :
@ -1540,7 +1537,7 @@ void sws_freeContext(SwsContext *c)
av_freep(&c->hLumFilterPos);
av_freep(&c->hChrFilterPos);
#if ARCH_X86 && CONFIG_GPL
#if ARCH_X86
#ifdef MAP_ANONYMOUS
if (c->lumMmx2FilterCode) munmap(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize);
if (c->chrMmx2FilterCode) munmap(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize);
@ -1553,7 +1550,7 @@ void sws_freeContext(SwsContext *c)
#endif
c->lumMmx2FilterCode=NULL;
c->chrMmx2FilterCode=NULL;
#endif /* ARCH_X86 && CONFIG_GPL */
#endif /* ARCH_X86 */
av_freep(&c->yuvTable);