avfilter/tinterlace: add Support for ff_lowpass_line_avx() & ff_lowpass_line_sse2()

Based-on: 2e170405 by Kieran Kunhya
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavfilter/tinterlace.h

@@ -55,4 +55,6 @@ typedef struct {
                          const uint8_t *srcp_above, const uint8_t *srcp_below);
 } TInterlaceContext;
 
+void ff_tinterlace_init_x86(TInterlaceContext *interlace);
+
 #endif /* AVFILTER_TINTERLACE_H */

libavfilter/vf_tinterlace.c

@@ -145,6 +145,8 @@ static int config_out_props(AVFilterLink *outlink)
 
     if (tinterlace->flags & TINTERLACE_FLAG_VLPF) {
         tinterlace->lowpass_line = lowpass_line_c;
+        if (ARCH_X86)
+            ff_tinterlace_init_x86(tinterlace);
     }
 
     av_log(ctx, AV_LOG_VERBOSE, "mode:%d filter:%s h:%d -> h:%d\n",

libavfilter/x86/Makefile

@@ -5,6 +5,7 @@ OBJS-$(CONFIG_INTERLACE_FILTER)              += x86/vf_interlace_init.o
 OBJS-$(CONFIG_NOISE_FILTER)                  += x86/vf_noise.o
 OBJS-$(CONFIG_PULLUP_FILTER)                 += x86/vf_pullup_init.o
 OBJS-$(CONFIG_SPP_FILTER)                    += x86/vf_spp.o
+OBJS-$(CONFIG_TINTERLACE_FILTER)             += x86/vf_tinterlace_init.o
 OBJS-$(CONFIG_VOLUME_FILTER)                 += x86/af_volume_init.o
 OBJS-$(CONFIG_YADIF_FILTER)                  += x86/vf_yadif_init.o
 
@@ -13,5 +14,6 @@ YASM-OBJS-$(CONFIG_HQDN3D_FILTER)            += x86/vf_hqdn3d.o
 YASM-OBJS-$(CONFIG_IDET_FILTER)              += x86/vf_idet.o
 YASM-OBJS-$(CONFIG_INTERLACE_FILTER)         += x86/vf_interlace.o
 YASM-OBJS-$(CONFIG_PULLUP_FILTER)            += x86/vf_pullup.o
+YASM-OBJS-$(CONFIG_TINTERLACE_FILTER)        += x86/vf_interlace.o
 YASM-OBJS-$(CONFIG_VOLUME_FILTER)            += x86/af_volume.o
 YASM-OBJS-$(CONFIG_YADIF_FILTER)             += x86/vf_yadif.o x86/yadif-16.o x86/yadif-10.o

libavfilter/x86/vf_tinterlace_init.c

+/*
+ * Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU 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/internal.h"
+#include "libavutil/mem.h"
+#include "libavutil/x86/asm.h"
+#include "libavutil/x86/cpu.h"
+
+#include "libavfilter/tinterlace.h"
+
+void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize,
+                          const uint8_t *srcp,
+                          const uint8_t *srcp_above,
+                          const uint8_t *srcp_below);
+void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize,
+                          const uint8_t *srcp,
+                          const uint8_t *srcp_above,
+                          const uint8_t *srcp_below);
+
+av_cold void ff_tinterlace_init_x86(TInterlaceContext *s)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (EXTERNAL_SSE2(cpu_flags))
+        s->lowpass_line = ff_lowpass_line_sse2;
+    if (EXTERNAL_AVX(cpu_flags))
+        s->lowpass_line = ff_lowpass_line_avx;
+}