ffmpeg/libswscale/x86/yuv2rgb.c
Michael Niedermayer 9f088a1ed4 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  mpegvideo: reduce excessive inlining of mpeg_motion()
  mpegvideo: convert mpegvideo_common.h to a .c file
  build: factor out mpegvideo.o dependencies to CONFIG_MPEGVIDEO
  Move MASK_ABS macro to libavcodec/mathops.h
  x86: move MANGLE() and related macros to libavutil/x86/asm.h
  x86: rename libavutil/x86_cpu.h to libavutil/x86/asm.h
  aacdec: Don't fall back to the old output configuration when no old configuration is present.
  rtmp: Add message tracking
  rtsp: Support mpegts in raw udp packets
  rtsp: Support receiving plain data over UDP without any RTP encapsulation
  rtpdec: Remove an unused include
  rtpenc: Remove an av_abort() that depends on user-supplied data
  vsrc_movie: discourage its use with avconv.
  avconv: allow no input files.
  avconv: prevent invalid reads in transcode_init()
  avconv: rename OutputStream.is_past_recording_time to finished.

Conflicts:
	configure
	doc/filters.texi
	ffmpeg.c
	ffmpeg.h
	libavcodec/Makefile
	libavcodec/aacdec.c
	libavcodec/mpegvideo.c
	libavformat/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-08-09 19:31:56 +02:00

112 lines
3.4 KiB
C

/*
* software YUV to RGB converter
*
* Copyright (C) 2009 Konstantin Shishkov
*
* MMX/MMX2 template stuff (needed for fast movntq support),
* 1,4,8bpp support and context / deglobalize stuff
* by Michael Niedermayer (michaelni@gmx.at)
*
* 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 <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <assert.h>
#include "config.h"
#include "libswscale/rgb2rgb.h"
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.h"
#include "libavutil/attributes.h"
#include "libavutil/x86/asm.h"
#include "libavutil/cpu.h"
#if HAVE_INLINE_ASM
#define DITHER1XBPP // only for MMX
/* hope these constant values are cache line aligned */
DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw) = 0x00ff00ff00ff00ffULL;
DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL;
DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL;
DECLARE_ASM_CONST(8, uint64_t, pb_e0) = 0xe0e0e0e0e0e0e0e0ULL;
DECLARE_ASM_CONST(8, uint64_t, pb_03) = 0x0303030303030303ULL;
DECLARE_ASM_CONST(8, uint64_t, pb_07) = 0x0707070707070707ULL;
//MMX versions
#if HAVE_MMX
#undef RENAME
#undef COMPILE_TEMPLATE_MMXEXT
#define COMPILE_TEMPLATE_MMXEXT 0
#define RENAME(a) a ## _MMX
#include "yuv2rgb_template.c"
#endif /* HAVE_MMX */
//MMX2 versions
#if HAVE_MMXEXT
#undef RENAME
#undef COMPILE_TEMPLATE_MMXEXT
#define COMPILE_TEMPLATE_MMXEXT 1
#define RENAME(a) a ## _MMX2
#include "yuv2rgb_template.c"
#endif /* HAVE_MMXEXT */
#endif /* HAVE_INLINE_ASM */
av_cold SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c)
{
#if HAVE_INLINE_ASM
int cpu_flags = av_get_cpu_flags();
#if HAVE_MMXEXT
if (cpu_flags & AV_CPU_FLAG_MMXEXT) {
switch (c->dstFormat) {
case PIX_FMT_RGB24: return yuv420_rgb24_MMX2;
case PIX_FMT_BGR24: return yuv420_bgr24_MMX2;
}
}
#endif
if (cpu_flags & AV_CPU_FLAG_MMX) {
switch (c->dstFormat) {
case PIX_FMT_RGB32:
if (c->srcFormat == PIX_FMT_YUVA420P) {
#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
return yuva420_rgb32_MMX;
#endif
break;
} else return yuv420_rgb32_MMX;
case PIX_FMT_BGR32:
if (c->srcFormat == PIX_FMT_YUVA420P) {
#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
return yuva420_bgr32_MMX;
#endif
break;
} else return yuv420_bgr32_MMX;
case PIX_FMT_RGB24: return yuv420_rgb24_MMX;
case PIX_FMT_BGR24: return yuv420_bgr24_MMX;
case PIX_FMT_RGB565: return yuv420_rgb16_MMX;
case PIX_FMT_RGB555: return yuv420_rgb15_MMX;
}
}
#endif /* HAVE_INLINE_ASM */
return NULL;
}