summaryrefslogtreecommitdiff
path: root/libavcodec/x86/pngdsp_init.c
diff options
context:
space:
mode:
authorDiego Biurrun <diego@biurrun.de>2012-08-11 23:07:27 +0200
committerDiego Biurrun <diego@biurrun.de>2012-08-16 11:05:38 +0200
commit6961bdface651ac9bd3621738aeb3b65969033b6 (patch)
treeee4b7d0eed9917e238c69e65ae89ea7620a7b775 /libavcodec/x86/pngdsp_init.c
parent33e112847dcd5dd5c45cdc643885c15ac2fa69fc (diff)
x86: avcodec: Consistently name all init files
Diffstat (limited to 'libavcodec/x86/pngdsp_init.c')
-rw-r--r--libavcodec/x86/pngdsp_init.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/libavcodec/x86/pngdsp_init.c b/libavcodec/x86/pngdsp_init.c
new file mode 100644
index 0000000000..aa21847db2
--- /dev/null
+++ b/libavcodec/x86/pngdsp_init.c
@@ -0,0 +1,51 @@
+/*
+ * x86 PNG optimizations.
+ * Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
+ *
+ * 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 "libavutil/common.h"
+#include "libavutil/cpu.h"
+#include "libavcodec/pngdsp.h"
+
+void ff_add_png_paeth_prediction_mmx2 (uint8_t *dst, uint8_t *src,
+ uint8_t *top, int w, int bpp);
+void ff_add_png_paeth_prediction_ssse3(uint8_t *dst, uint8_t *src,
+ uint8_t *top, int w, int bpp);
+void ff_add_bytes_l2_mmx (uint8_t *dst, uint8_t *src1,
+ uint8_t *src2, int w);
+void ff_add_bytes_l2_sse2(uint8_t *dst, uint8_t *src1,
+ uint8_t *src2, int w);
+
+void ff_pngdsp_init_x86(PNGDSPContext *dsp)
+{
+#if HAVE_YASM
+ int flags = av_get_cpu_flags();
+
+#if ARCH_X86_32
+ if (flags & AV_CPU_FLAG_MMX)
+ dsp->add_bytes_l2 = ff_add_bytes_l2_mmx;
+#endif
+ if (flags & AV_CPU_FLAG_MMXEXT)
+ dsp->add_paeth_prediction = ff_add_png_paeth_prediction_mmx2;
+ if (flags & AV_CPU_FLAG_SSE2)
+ dsp->add_bytes_l2 = ff_add_bytes_l2_sse2;
+ if (flags & AV_CPU_FLAG_SSSE3)
+ dsp->add_paeth_prediction = ff_add_png_paeth_prediction_ssse3;
+#endif
+}