Merge commit 'a9aee08d900f686e966c64afec5d88a7d9d130a3'

* commit 'a9aee08d900f686e966c64afec5d88a7d9d130a3':
  dsputil: Split off FDCT bits into their own context

Conflicts:
	configure
	libavcodec/Makefile
	libavcodec/asvenc.c
	libavcodec/dnxhdenc.c
	libavcodec/dsputil.c
	libavcodec/mpegvideo.h
	libavcodec/mpegvideo_enc.c
	libavcodec/x86/Makefile
	libavcodec/x86/dsputilenc_mmx.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 44 insertions, 0 deletions

diff --git a/libavcodec/x86/fdctdsp_init.c b/libavcodec/x86/fdctdsp_init.c
new file mode 100644
index 0000000000..261db979c5
--- /dev/null
+++ b/libavcodec/x86/fdctdsp_init.c
@@ -0,0 +1,44 @@
+/*
+ * 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/avcodec.h"
+#include "libavcodec/dct.h"
+#include "libavcodec/fdctdsp.h"
+
+av_cold void ff_fdctdsp_init_x86(FDCTDSPContext *c, AVCodecContext *avctx,
+                                 unsigned high_bit_depth)
+{
+    int cpu_flags = av_get_cpu_flags();
+    const int dct_algo = avctx->dct_algo;
+
+    if (!high_bit_depth) {
+        if ((dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) {
+            if (INLINE_MMX(cpu_flags))
+                c->fdct = ff_fdct_mmx;
+
+            if (INLINE_MMXEXT(cpu_flags))
+                c->fdct = ff_fdct_mmxext;
+
+            if (INLINE_SSE2(cpu_flags))
+                c->fdct = ff_fdct_sse2;
+        }
+    }
+}