dsputil: Split off FDCT bits into their own context

3 files changed, 46 insertions, 15 deletions

diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index 58b27b5d5b..afb26d07cb 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -9,6 +9,7 @@ OBJS-$(CONFIG_DCT)                     += x86/dct_init.o
 OBJS-$(CONFIG_DSPUTIL)                 += x86/dsputil_init.o
 OBJS-$(CONFIG_ENCODERS)                += x86/dsputilenc_mmx.o          \
                                           x86/motion_est.o
+OBJS-$(CONFIG_FDCTDSP)                 += x86/fdctdsp_init.o
 OBJS-$(CONFIG_FFT)                     += x86/fft_init.o
 OBJS-$(CONFIG_H263DSP)                 += x86/h263dsp_init.o
 OBJS-$(CONFIG_H264CHROMA)              += x86/h264chroma_init.o
@@ -51,9 +52,9 @@ OBJS-$(CONFIG_VP8_DECODER)             += x86/vp8dsp_init.o
 OBJS-$(CONFIG_VP9_DECODER)             += x86/vp9dsp_init.o
 
 MMX-OBJS-$(CONFIG_AUDIODSP)            += x86/audiodsp_mmx.o
-MMX-OBJS-$(CONFIG_ENCODERS)            += x86/fdct.o
 MMX-OBJS-$(CONFIG_HPELDSP)             += x86/fpel_mmx.o                \
                                           x86/hpeldsp_mmx.o
+MMX-OBJS-$(CONFIG_FDCTDSP)             += x86/fdct.o
 MMX-OBJS-$(CONFIG_IDCTDSP)             += x86/idctdsp_mmx.o             \
                                           x86/idct_mmx_xvid.o           \
                                           x86/idct_sse2_xvid.o          \
diff --git a/libavcodec/x86/dsputilenc_mmx.c b/libavcodec/x86/dsputilenc_mmx.c
index 563543ee7d..fb649e454e 100644
--- a/libavcodec/x86/dsputilenc_mmx.c
+++ b/libavcodec/x86/dsputilenc_mmx.c
@@ -26,7 +26,6 @@
 #include "libavutil/cpu.h"
 #include "libavutil/x86/asm.h"
 #include "libavutil/x86/cpu.h"
-#include "libavcodec/dct.h"
 #include "libavcodec/dsputil.h"
 #include "libavcodec/mpegvideo.h"
 #include "dsputil_x86.h"
@@ -823,7 +822,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
                                     unsigned high_bit_depth)
 {
     int cpu_flags = av_get_cpu_flags();
-    const int dct_algo = avctx->dct_algo;
 
     if (EXTERNAL_MMX(cpu_flags)) {
         if (!high_bit_depth)
@@ -837,10 +835,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
 
 #if HAVE_INLINE_ASM
     if (INLINE_MMX(cpu_flags)) {
-        if (!high_bit_depth &&
-            (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
-            c->fdct = ff_fdct_mmx;
-
         c->sum_abs_dctelem = sum_abs_dctelem_mmx;
 
         c->sse[0]  = sse16_mmx;
@@ -855,10 +849,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
     }
 
     if (INLINE_MMXEXT(cpu_flags)) {
-        if (!high_bit_depth &&
-            (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
-            c->fdct = ff_fdct_mmxext;
-
         c->sum_abs_dctelem = sum_abs_dctelem_mmxext;
         c->vsad[4]         = vsad_intra16_mmxext;
 
@@ -868,10 +858,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
     }
 
     if (INLINE_SSE2(cpu_flags)) {
-        if (!high_bit_depth &&
-            (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
-            c->fdct = ff_fdct_sse2;
-
         c->sum_abs_dctelem = sum_abs_dctelem_sse2;
     }
 
diff --git a/libavcodec/x86/fdctdsp_init.c b/libavcodec/x86/fdctdsp_init.c
new file mode 100644
index 0000000000..93fdd6567d
--- /dev/null
+++ b/libavcodec/x86/fdctdsp_init.c
@@ -0,0 +1,44 @@
+/*
+ * 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/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;
+        }
+    }
+}