hevc: SSE2 and SSSE3 loop filters

Additional contributions by James Almer <jamrial@gmail.com>,
Carl Eugen Hoyos <cehoyos@ag.or.at>, Fiona Glaser <fiona@x264.com> and
Anton Khirnov <anton@khirnov.net>

Signed-off-by: Anton Khirnov <anton@khirnov.net>

1 files changed, 71 insertions, 0 deletions

diff --git a/libavcodec/x86/hevcdsp_init.c b/libavcodec/x86/hevcdsp_init.c
new file mode 100644
index 0000000000..04203c22a0
--- /dev/null
+++ b/libavcodec/x86/hevcdsp_init.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2013 Seppo Tomperi
+ * Copyright (c) 2013 - 2014 Pierre-Edouard Lepere
+ *
+ * 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 "config.h"
+
+#include "libavutil/cpu.h"
+#include "libavutil/x86/cpu.h"
+
+#include "libavcodec/hevcdsp.h"
+
+#define LFC_FUNC(DIR, DEPTH, OPT) \
+void ff_hevc_ ## DIR ## _loop_filter_chroma_ ## DEPTH ## _ ## OPT(uint8_t *pix, ptrdiff_t stride, int *tc, uint8_t *no_p, uint8_t *no_q);
+
+#define LFL_FUNC(DIR, DEPTH, OPT) \
+void ff_hevc_ ## DIR ## _loop_filter_luma_ ## DEPTH ## _ ## OPT(uint8_t *pix, ptrdiff_t stride, int beta, int *tc, uint8_t *no_p, uint8_t *no_q);
+
+#define LFC_FUNCS(type, depth) \
+    LFC_FUNC(h, depth, sse2)   \
+    LFC_FUNC(v, depth, sse2)
+
+#define LFL_FUNCS(type, depth) \
+    LFL_FUNC(h, depth, ssse3)  \
+    LFL_FUNC(v, depth, ssse3)
+
+LFC_FUNCS(uint8_t, 8)
+LFC_FUNCS(uint8_t, 10)
+LFL_FUNCS(uint8_t, 8)
+LFL_FUNCS(uint8_t, 10)
+
+void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (bit_depth == 8) {
+        if (EXTERNAL_SSE2(cpu_flags)) {
+            c->hevc_v_loop_filter_chroma = ff_hevc_v_loop_filter_chroma_8_sse2;
+            c->hevc_h_loop_filter_chroma = ff_hevc_h_loop_filter_chroma_8_sse2;
+        }
+        if (EXTERNAL_SSSE3(cpu_flags) && ARCH_X86_64) {
+            c->hevc_v_loop_filter_luma = ff_hevc_v_loop_filter_luma_8_ssse3;
+            c->hevc_h_loop_filter_luma = ff_hevc_h_loop_filter_luma_8_ssse3;
+        }
+    } else if (bit_depth == 10) {
+        if (EXTERNAL_SSE2(cpu_flags)) {
+            c->hevc_v_loop_filter_chroma = ff_hevc_v_loop_filter_chroma_10_sse2;
+            c->hevc_h_loop_filter_chroma = ff_hevc_h_loop_filter_chroma_10_sse2;
+        }
+        if (EXTERNAL_SSSE3(cpu_flags) && ARCH_X86_64) {
+            c->hevc_v_loop_filter_luma = ff_hevc_v_loop_filter_luma_10_ssse3;
+            c->hevc_h_loop_filter_luma = ff_hevc_h_loop_filter_luma_10_ssse3;
+        }
+    }
+}