summaryrefslogtreecommitdiff
path: root/libswscale/x86/yuv2rgb.c
diff options
context:
space:
mode:
authorDiego Biurrun <diego@biurrun.de>2012-07-21 22:33:03 +0200
committerDiego Biurrun <diego@biurrun.de>2012-07-23 01:30:04 +0200
commit16d2a1a51c1dbdd69ee47b19c8ab66b905b7c5ce (patch)
treed5750d9740eb23bba4c1b7acfae2f35623bef352 /libswscale/x86/yuv2rgb.c
parentfd4872184945ff4275f04f7b95ee7aba49407f3c (diff)
swscale: x86: Drop pointless _mmx suffix from filenames
The files do not contain only MMX code.
Diffstat (limited to 'libswscale/x86/yuv2rgb.c')
-rw-r--r--libswscale/x86/yuv2rgb.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/libswscale/x86/yuv2rgb.c b/libswscale/x86/yuv2rgb.c
new file mode 100644
index 0000000000..f534e0e6bd
--- /dev/null
+++ b/libswscale/x86/yuv2rgb.c
@@ -0,0 +1,114 @@
+/*
+ * 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 Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; 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/x86_cpu.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_MMX2
+#define COMPILE_TEMPLATE_MMX2 0
+#define RENAME(a) a ## _MMX
+#include "yuv2rgb_template.c"
+#endif /* HAVE_MMX */
+
+//MMX2 versions
+#if HAVE_MMX2
+#undef RENAME
+#undef COMPILE_TEMPLATE_MMX2
+#define COMPILE_TEMPLATE_MMX2 1
+#define RENAME(a) a ## _MMX2
+#include "yuv2rgb_template.c"
+#endif /* HAVE_MMX2 */
+
+#endif /* HAVE_INLINE_ASM */
+
+SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c)
+{
+#if HAVE_INLINE_ASM
+ int cpu_flags = av_get_cpu_flags();
+
+ if (c->srcFormat != PIX_FMT_YUV420P &&
+ c->srcFormat != PIX_FMT_YUVA420P)
+ return NULL;
+
+#if HAVE_MMX2
+ if (cpu_flags & AV_CPU_FLAG_MMX2) {
+ 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;
+}