avcodec/jpeg200dsp: add ff_ict_float_{sse,avx}

Original intrinsics version by Nicolas Bertrand.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/libavcodec/x86/jpeg2000dsp_init.c b/libavcodec/x86/jpeg2000dsp_init.c
new file mode 100644
index 0000000000..43b9ccd6cb
--- /dev/null
+++ b/libavcodec/x86/jpeg2000dsp_init.c
@@ -0,0 +1,40 @@
+/*
+ * SIMD optimized JPEG 2000 DSP functions
+ * Copyright (c) 2015 James Almer
+ *
+ * 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 "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/x86/cpu.h"
+#include "libavcodec/jpeg2000dsp.h"
+
+void ff_ict_float_sse(void *src0, void *src1, void *src2, int csize);
+void ff_ict_float_avx(void *src0, void *src1, void *src2, int csize);
+
+av_cold void ff_jpeg2000dsp_init_x86(Jpeg2000DSPContext *c)
+{
+    int cpu_flags = av_get_cpu_flags();
+    if (EXTERNAL_SSE(cpu_flags)) {
+        c->mct_decode[FF_DWT97] = ff_ict_float_sse;
+    }
+
+    if (EXTERNAL_AVX_FAST(cpu_flags)) {
+        c->mct_decode[FF_DWT97] = ff_ict_float_avx;
+    }
+}