[FFmpeg-cvslog] avfilter/vf_interlace: remove duplicate code with same funcionality

Vasile Toncu git at videolan.org
Tue Apr 24 00:49:22 EEST 2018


ffmpeg | branch: master | Vasile Toncu <vasile.toncu at tremend.com> | Tue Apr 17 13:48:28 2018 +0300| [9c01cdb94e24aaf50f867a0a5c42b097c17c42b1] | committer: Paul B Mahol

avfilter/vf_interlace: remove duplicate code with same funcionality

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9c01cdb94e24aaf50f867a0a5c42b097c17c42b1
---

 libavfilter/Makefile                |   2 +-
 libavfilter/interlace.h             |  68 -------
 libavfilter/vf_interlace.c          | 366 ------------------------------------
 libavfilter/vf_tinterlace.c         |  26 +++
 libavfilter/x86/Makefile            |   2 +-
 libavfilter/x86/vf_interlace_init.c |  88 ---------
 6 files changed, 28 insertions(+), 524 deletions(-)

diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index ed726d17bd..8f41805527 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -234,7 +234,7 @@ OBJS-$(CONFIG_HYSTERESIS_FILTER)             += vf_hysteresis.o framesync.o
 OBJS-$(CONFIG_IDET_FILTER)                   += vf_idet.o
 OBJS-$(CONFIG_IL_FILTER)                     += vf_il.o
 OBJS-$(CONFIG_INFLATE_FILTER)                += vf_neighbor.o
-OBJS-$(CONFIG_INTERLACE_FILTER)              += vf_interlace.o
+OBJS-$(CONFIG_INTERLACE_FILTER)              += vf_tinterlace.o
 OBJS-$(CONFIG_INTERLEAVE_FILTER)             += f_interleave.o
 OBJS-$(CONFIG_KERNDEINT_FILTER)              += vf_kerndeint.o
 OBJS-$(CONFIG_LENSCORRECTION_FILTER)         += vf_lenscorrection.o
diff --git a/libavfilter/interlace.h b/libavfilter/interlace.h
deleted file mode 100644
index b41f0d5706..0000000000
--- a/libavfilter/interlace.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * 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.
- */
-
-/**
- * @file
- * progressive to interlaced content filter, inspired by heavy debugging of
- * tinterlace filter.
- */
-
-#ifndef AVFILTER_INTERLACE_H
-#define AVFILTER_INTERLACE_H
-
-#include "libavutil/bswap.h"
-#include "libavutil/common.h"
-#include "libavutil/imgutils.h"
-#include "libavutil/opt.h"
-#include "libavutil/pixdesc.h"
-
-#include "avfilter.h"
-#include "formats.h"
-#include "internal.h"
-#include "video.h"
-
-enum ScanMode {
-    MODE_TFF = 0,
-    MODE_BFF = 1,
-};
-
-enum FieldType {
-    FIELD_UPPER = 0,
-    FIELD_LOWER = 1,
-};
-
-enum VLPFilter {
-    VLPF_OFF = 0,
-    VLPF_LIN = 1,
-    VLPF_CMP = 2,
-};
-
-typedef struct InterlaceContext {
-    const AVClass *class;
-    enum ScanMode scan;    // top or bottom field first scanning
-    int lowpass;           // enable or disable low pass filtering
-    AVFrame *cur, *next;   // the two frames from which the new one is obtained
-    const AVPixFmtDescriptor *csp;
-    void (*lowpass_line)(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp,
-                         ptrdiff_t mref, ptrdiff_t pref, int clip_max);
-} InterlaceContext;
-
-void ff_interlace_init(InterlaceContext *interlace, int depth);
-void ff_interlace_init_x86(InterlaceContext *interlace, int depth);
-
-#endif /* AVFILTER_INTERLACE_H */
diff --git a/libavfilter/vf_interlace.c b/libavfilter/vf_interlace.c
deleted file mode 100644
index 24c422ded2..0000000000
--- a/libavfilter/vf_interlace.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- * Copyright (c) 2003 Michael Zucchi <notzed at ximian.com>
- * Copyright (c) 2010 Baptiste Coudurier
- * Copyright (c) 2011 Stefano Sabatini
- * Copyright (c) 2013 Vittorio Giovara <vittorio.giovara at gmail.com>
- * Copyright (c) 2017 Thomas Mundt <tmundt75 at gmail.com>
- *
- * 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.
- */
-
-/**
- * @file
- * progressive to interlaced content filter, inspired by heavy debugging of tinterlace filter
- */
-
-#include "libavutil/common.h"
-#include "libavutil/opt.h"
-#include "libavutil/imgutils.h"
-#include "libavutil/avassert.h"
-
-#include "formats.h"
-#include "avfilter.h"
-#include "interlace.h"
-#include "internal.h"
-#include "video.h"
-
-#define OFFSET(x) offsetof(InterlaceContext, x)
-#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
-static const AVOption interlace_options[] = {
-    { "scan", "scanning mode", OFFSET(scan),
-        AV_OPT_TYPE_INT,   {.i64 = MODE_TFF }, 0, 1, .flags = FLAGS, .unit = "scan" },
-    { "tff", "top field first", 0,
-        AV_OPT_TYPE_CONST, {.i64 = MODE_TFF }, INT_MIN, INT_MAX, .flags = FLAGS, .unit = "scan" },
-    { "bff", "bottom field first", 0,
-        AV_OPT_TYPE_CONST, {.i64 = MODE_BFF }, INT_MIN, INT_MAX, .flags = FLAGS, .unit = "scan" },
-    { "lowpass", "set vertical low-pass filter", OFFSET(lowpass),
-        AV_OPT_TYPE_INT,   {.i64 = VLPF_LIN }, 0, 2, .flags = FLAGS, .unit = "lowpass" },
-    { "off",     "disable vertical low-pass filter", 0,
-        AV_OPT_TYPE_CONST, {.i64 = VLPF_OFF }, INT_MIN, INT_MAX, .flags = FLAGS, .unit = "lowpass" },
-    { "linear",  "linear vertical low-pass filter",  0,
-        AV_OPT_TYPE_CONST, {.i64 = VLPF_LIN }, INT_MIN, INT_MAX, .flags = FLAGS, .unit = "lowpass" },
-    { "complex", "complex vertical low-pass filter", 0,
-        AV_OPT_TYPE_CONST, {.i64 = VLPF_CMP }, INT_MIN, INT_MAX, .flags = FLAGS, .unit = "lowpass" },
-    { NULL }
-};
-
-AVFILTER_DEFINE_CLASS(interlace);
-
-static void lowpass_line_c(uint8_t *dstp, ptrdiff_t linesize,
-                           const uint8_t *srcp, ptrdiff_t mref,
-                           ptrdiff_t pref, int clip_max)
-{
-    const uint8_t *srcp_above = srcp + mref;
-    const uint8_t *srcp_below = srcp + pref;
-    int i;
-    for (i = 0; i < linesize; i++) {
-        // this calculation is an integer representation of
-        // '0.5 * current + 0.25 * above + 0.25 * below'
-        // '1 +' is for rounding.
-        dstp[i] = (1 + srcp[i] + srcp[i] + srcp_above[i] + srcp_below[i]) >> 2;
-    }
-}
-
-static void lowpass_line_c_16(uint8_t *dst8, ptrdiff_t linesize,
-                              const uint8_t *src8, ptrdiff_t mref,
-                              ptrdiff_t pref, int clip_max)
-{
-    uint16_t *dstp = (uint16_t *)dst8;
-    const uint16_t *srcp = (const uint16_t *)src8;
-    const uint16_t *srcp_above = srcp + mref / 2;
-    const uint16_t *srcp_below = srcp + pref / 2;
-    int i, src_x;
-    for (i = 0; i < linesize; i++) {
-        // this calculation is an integer representation of
-        // '0.5 * current + 0.25 * above + 0.25 * below'
-        // '1 +' is for rounding.
-        src_x   = av_le2ne16(srcp[i]) << 1;
-        dstp[i] = av_le2ne16((1 + src_x + av_le2ne16(srcp_above[i])
-                             + av_le2ne16(srcp_below[i])) >> 2);
-    }
-}
-
-static void lowpass_line_complex_c(uint8_t *dstp, ptrdiff_t linesize,
-                                   const uint8_t *srcp, ptrdiff_t mref,
-                                   ptrdiff_t pref, int clip_max)
-{
-    const uint8_t *srcp_above = srcp + mref;
-    const uint8_t *srcp_below = srcp + pref;
-    const uint8_t *srcp_above2 = srcp + mref * 2;
-    const uint8_t *srcp_below2 = srcp + pref * 2;
-    int i, src_x, src_ab;
-    for (i = 0; i < linesize; i++) {
-        // this calculation is an integer representation of
-        // '0.75 * current + 0.25 * above + 0.25 * below - 0.125 * above2 - 0.125 * below2'
-        // '4 +' is for rounding.
-        src_x   = srcp[i] << 1;
-        src_ab  = srcp_above[i] + srcp_below[i];
-        dstp[i] = av_clip_uint8((4 + ((srcp[i] + src_x + src_ab) << 1)
-                                - srcp_above2[i] - srcp_below2[i]) >> 3);
-        // Prevent over-sharpening:
-        // dst must not exceed src when the average of above and below
-        // is less than src. And the other way around.
-        if (src_ab > src_x) {
-            if (dstp[i] < srcp[i])
-                dstp[i] = srcp[i];
-        } else if (dstp[i] > srcp[i])
-            dstp[i] = srcp[i];
-    }
-}
-
-static void lowpass_line_complex_c_16(uint8_t *dst8, ptrdiff_t linesize,
-                                      const uint8_t *src8, ptrdiff_t mref,
-                                      ptrdiff_t pref, int clip_max)
-{
-    uint16_t *dstp = (uint16_t *)dst8;
-    const uint16_t *srcp = (const uint16_t *)src8;
-    const uint16_t *srcp_above = srcp + mref / 2;
-    const uint16_t *srcp_below = srcp + pref / 2;
-    const uint16_t *srcp_above2 = srcp + mref;
-    const uint16_t *srcp_below2 = srcp + pref;
-    int i, dst_le, src_le, src_x, src_ab;
-    for (i = 0; i < linesize; i++) {
-        // this calculation is an integer representation of
-        // '0.75 * current + 0.25 * above + 0.25 * below - 0.125 * above2 - 0.125 * below2'
-        // '4 +' is for rounding.
-        src_le = av_le2ne16(srcp[i]);
-        src_x  = src_le << 1;
-        src_ab = av_le2ne16(srcp_above[i]) + av_le2ne16(srcp_below[i]);
-        dst_le = av_clip((4 + ((src_le + src_x + src_ab) << 1)
-                         - av_le2ne16(srcp_above2[i])
-                         - av_le2ne16(srcp_below2[i])) >> 3, 0, clip_max);
-        // Prevent over-sharpening:
-        // dst must not exceed src when the average of above and below
-        // is less than src. And the other way around.
-        if (src_ab > src_x) {
-            if (dst_le < src_le)
-                dstp[i] = av_le2ne16(src_le);
-            else
-                dstp[i] = av_le2ne16(dst_le);
-        } else if (dst_le > src_le) {
-            dstp[i] = av_le2ne16(src_le);
-        } else
-            dstp[i] = av_le2ne16(dst_le);
-    }
-}
-
-static const enum AVPixelFormat formats_supported[] = {
-    AV_PIX_FMT_YUV410P,      AV_PIX_FMT_YUV411P,
-    AV_PIX_FMT_YUV420P,      AV_PIX_FMT_YUV422P,      AV_PIX_FMT_YUV444P,
-    AV_PIX_FMT_YUV420P10LE,  AV_PIX_FMT_YUV422P10LE,  AV_PIX_FMT_YUV444P10LE,
-    AV_PIX_FMT_YUV420P12LE,  AV_PIX_FMT_YUV422P12LE,  AV_PIX_FMT_YUV444P12LE,
-    AV_PIX_FMT_YUVA420P,     AV_PIX_FMT_YUVA422P,     AV_PIX_FMT_YUVA444P,
-    AV_PIX_FMT_YUVA420P10LE, AV_PIX_FMT_YUVA422P10LE, AV_PIX_FMT_YUVA444P10LE,
-    AV_PIX_FMT_GRAY8,        AV_PIX_FMT_YUVJ420P,     AV_PIX_FMT_YUVJ422P,
-    AV_PIX_FMT_YUVJ444P,     AV_PIX_FMT_YUVJ440P,     AV_PIX_FMT_NONE
-};
-
-static int query_formats(AVFilterContext *ctx)
-{
-    AVFilterFormats *fmts_list = ff_make_format_list(formats_supported);
-    if (!fmts_list)
-        return AVERROR(ENOMEM);
-    return ff_set_common_formats(ctx, fmts_list);
-}
-
-static av_cold void uninit(AVFilterContext *ctx)
-{
-    InterlaceContext *s = ctx->priv;
-
-    av_frame_free(&s->cur);
-    av_frame_free(&s->next);
-}
-
-void ff_interlace_init(InterlaceContext *s, int depth)
-{
-    if (s->lowpass) {
-        if (s->lowpass == VLPF_LIN) {
-            if (depth > 8)
-                s->lowpass_line = lowpass_line_c_16;
-            else
-                s->lowpass_line = lowpass_line_c;
-        } else if (s->lowpass == VLPF_CMP) {
-            if (depth > 8)
-                s->lowpass_line = lowpass_line_complex_c_16;
-            else
-                s->lowpass_line = lowpass_line_complex_c;
-        }
-        if (ARCH_X86)
-            ff_interlace_init_x86(s, depth);
-    }
-}
-
-static int config_out_props(AVFilterLink *outlink)
-{
-    AVFilterContext *ctx = outlink->src;
-    AVFilterLink *inlink = outlink->src->inputs[0];
-    InterlaceContext *s = ctx->priv;
-
-    if (inlink->h < 2) {
-        av_log(ctx, AV_LOG_ERROR, "input video height is too small\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    if (!s->lowpass)
-        av_log(ctx, AV_LOG_WARNING, "Lowpass filter is disabled, "
-               "the resulting video will be aliased rather than interlaced.\n");
-
-    // same input size
-    outlink->w = inlink->w;
-    outlink->h = inlink->h;
-    outlink->time_base = inlink->time_base;
-    outlink->frame_rate = inlink->frame_rate;
-    // half framerate
-    outlink->time_base.num *= 2;
-    outlink->frame_rate.den *= 2;
-
-    s->csp = av_pix_fmt_desc_get(outlink->format);
-    ff_interlace_init(s, s->csp->comp[0].depth);
-
-    av_log(ctx, AV_LOG_VERBOSE, "%s interlacing %s lowpass filter\n",
-           s->scan == MODE_TFF ? "tff" : "bff", (s->lowpass) ? "with" : "without");
-
-    return 0;
-}
-
-static void copy_picture_field(InterlaceContext *s,
-                               AVFrame *src_frame, AVFrame *dst_frame,
-                               AVFilterLink *inlink, enum FieldType field_type,
-                               int lowpass)
-{
-    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
-    int hsub = desc->log2_chroma_w;
-    int vsub = desc->log2_chroma_h;
-    int plane, j;
-
-    for (plane = 0; plane < desc->nb_components; plane++) {
-        int cols  = (plane == 1 || plane == 2) ? -(-inlink->w) >> hsub : inlink->w;
-        int lines = (plane == 1 || plane == 2) ? AV_CEIL_RSHIFT(inlink->h, vsub) : inlink->h;
-        uint8_t *dstp = dst_frame->data[plane];
-        const uint8_t *srcp = src_frame->data[plane];
-        int srcp_linesize = src_frame->linesize[plane] * 2;
-        int dstp_linesize = dst_frame->linesize[plane] * 2;
-        int clip_max = (1 << s->csp->comp[plane].depth) - 1;
-
-        av_assert0(cols >= 0 || lines >= 0);
-
-        lines = (lines + (field_type == FIELD_UPPER)) / 2;
-        if (field_type == FIELD_LOWER) {
-            srcp += src_frame->linesize[plane];
-            dstp += dst_frame->linesize[plane];
-        }
-        if (lowpass) {
-            int x = 0;
-            if (lowpass == VLPF_CMP)
-                x = 1;
-            for (j = lines; j > 0; j--) {
-                ptrdiff_t pref = src_frame->linesize[plane];
-                ptrdiff_t mref = -pref;
-                if (j >= (lines - x))
-                    mref = 0;
-                else if (j <= (1 + x))
-                    pref = 0;
-                s->lowpass_line(dstp, cols, srcp, mref, pref, clip_max);
-                dstp += dstp_linesize;
-                srcp += srcp_linesize;
-            }
-        } else {
-            if (s->csp->comp[plane].depth > 8)
-                cols *= 2;
-            av_image_copy_plane(dstp, dstp_linesize, srcp, srcp_linesize, cols, lines);
-        }
-    }
-}
-
-static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
-{
-    AVFilterContext *ctx = inlink->dst;
-    AVFilterLink *outlink = ctx->outputs[0];
-    InterlaceContext *s = ctx->priv;
-    AVFrame *out;
-    int tff, ret;
-
-    av_frame_free(&s->cur);
-    s->cur  = s->next;
-    s->next = buf;
-
-    /* we need at least two frames */
-    if (!s->cur || !s->next)
-        return 0;
-
-    if (s->cur->interlaced_frame) {
-        av_log(ctx, AV_LOG_WARNING,
-               "video is already interlaced, adjusting framerate only\n");
-        out = av_frame_clone(s->cur);
-        if (!out)
-            return AVERROR(ENOMEM);
-        out->pts /= 2;  // adjust pts to new framerate
-        ret = ff_filter_frame(outlink, out);
-        return ret;
-    }
-
-    tff = (s->scan == MODE_TFF);
-    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
-    if (!out)
-        return AVERROR(ENOMEM);
-
-    av_frame_copy_props(out, s->cur);
-    out->interlaced_frame = 1;
-    out->top_field_first  = tff;
-    out->pts             /= 2;  // adjust pts to new framerate
-
-    /* copy upper/lower field from cur */
-    copy_picture_field(s, s->cur, out, inlink, tff ? FIELD_UPPER : FIELD_LOWER, s->lowpass);
-    av_frame_free(&s->cur);
-
-    /* copy lower/upper field from next */
-    copy_picture_field(s, s->next, out, inlink, tff ? FIELD_LOWER : FIELD_UPPER, s->lowpass);
-    av_frame_free(&s->next);
-
-    ret = ff_filter_frame(outlink, out);
-
-    return ret;
-}
-
-static const AVFilterPad inputs[] = {
-    {
-        .name         = "default",
-        .type         = AVMEDIA_TYPE_VIDEO,
-        .filter_frame = filter_frame,
-    },
-    { NULL }
-};
-
-static const AVFilterPad outputs[] = {
-    {
-        .name         = "default",
-        .type         = AVMEDIA_TYPE_VIDEO,
-        .config_props = config_out_props,
-    },
-    { NULL }
-};
-
-AVFilter ff_vf_interlace = {
-    .name          = "interlace",
-    .description   = NULL_IF_CONFIG_SMALL("Convert progressive video into interlaced."),
-    .uninit        = uninit,
-    .priv_class    = &interlace_class,
-    .priv_size     = sizeof(InterlaceContext),
-    .query_formats = query_formats,
-    .inputs        = inputs,
-    .outputs       = outputs,
-};
diff --git a/libavfilter/vf_tinterlace.c b/libavfilter/vf_tinterlace.c
index f13791d254..4f5c10d7ac 100644
--- a/libavfilter/vf_tinterlace.c
+++ b/libavfilter/vf_tinterlace.c
@@ -59,6 +59,20 @@ static const AVOption tinterlace_options[] = {
 
 AVFILTER_DEFINE_CLASS(tinterlace);
 
+static const AVOption interlace_options[] = {
+   { "scan",              "scanning mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=MODE_INTERLEAVE_TOP}, 0, MODE_NB-1, FLAGS, "mode"},
+   { "tff",               "top field first",                              0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE_TOP},    INT_MIN, INT_MAX, FLAGS, .unit = "mode" },
+   { "bff",               "bottom field first",                           0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE_BOTTOM}, INT_MIN, INT_MAX, FLAGS, .unit = "mode"},
+   { "lowpass",           "set vertical low-pass filter", OFFSET(flags), AV_OPT_TYPE_FLAGS,   {.i64 = TINTERLACE_FLAG_VLPF}, 0,INT_MAX, 0, "flags" },
+   { "off",               "disable vertical low-pass filter",             0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN, INT_MAX, FLAGS, "flags" },
+   { "linear",            "linear vertical low-pass filter",              0, AV_OPT_TYPE_CONST, {.i64 = TINTERLACE_FLAG_VLPF}, INT_MIN, INT_MAX, FLAGS, "flags" },
+   { "complex",           "complex vertical low-pass filter",             0, AV_OPT_TYPE_CONST, {.i64 = TINTERLACE_FLAG_CVLPF},INT_MIN, INT_MAX, FLAGS, "flags" },
+
+   { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(interlace);
+
 #define FULL_SCALE_YUVJ_FORMATS \
     AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P
 
@@ -525,3 +539,15 @@ AVFilter ff_vf_tinterlace = {
     .outputs       = tinterlace_outputs,
     .priv_class    = &tinterlace_class,
 };
+
+
+AVFilter ff_vf_interlace = {
+    .name          = "interlace",
+    .description   = NULL_IF_CONFIG_SMALL("Convert progressive video into interlaced."),
+    .priv_size     = sizeof(TInterlaceContext),
+    .uninit        = uninit,
+    .query_formats = query_formats,
+    .inputs        = tinterlace_inputs,
+    .outputs       = tinterlace_outputs,
+    .priv_class    = &interlace_class,
+};
diff --git a/libavfilter/x86/Makefile b/libavfilter/x86/Makefile
index 4d4c5e503a..f60de3b73b 100644
--- a/libavfilter/x86/Makefile
+++ b/libavfilter/x86/Makefile
@@ -9,7 +9,7 @@ OBJS-$(CONFIG_FRAMERATE_FILTER)              += x86/vf_framerate_init.o
 OBJS-$(CONFIG_HFLIP_FILTER)                  += x86/vf_hflip_init.o
 OBJS-$(CONFIG_HQDN3D_FILTER)                 += x86/vf_hqdn3d_init.o
 OBJS-$(CONFIG_IDET_FILTER)                   += x86/vf_idet_init.o
-OBJS-$(CONFIG_INTERLACE_FILTER)              += x86/vf_interlace_init.o
+OBJS-$(CONFIG_INTERLACE_FILTER)              += x86/vf_tinterlace_init.o
 OBJS-$(CONFIG_LIMITER_FILTER)                += x86/vf_limiter_init.o
 OBJS-$(CONFIG_MASKEDMERGE_FILTER)            += x86/vf_maskedmerge_init.o
 OBJS-$(CONFIG_NOISE_FILTER)                  += x86/vf_noise.o
diff --git a/libavfilter/x86/vf_interlace_init.c b/libavfilter/x86/vf_interlace_init.c
deleted file mode 100644
index 0de0fea382..0000000000
--- a/libavfilter/x86/vf_interlace_init.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright (C) 2014 Kieran Kunhya <kierank at 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/cpu.h"
-
-#include "libavfilter/interlace.h"
-
-void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize,
-                          const uint8_t *srcp, ptrdiff_t mref,
-                          ptrdiff_t pref, int clip_max);
-void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize,
-                          const uint8_t *srcp, ptrdiff_t mref,
-                          ptrdiff_t pref, int clip_max);
-void ff_lowpass_line_avx2 (uint8_t *dstp, ptrdiff_t linesize,
-                          const uint8_t *srcp, ptrdiff_t mref,
-                          ptrdiff_t pref, int clip_max);
-
-void ff_lowpass_line_16_sse2(uint8_t *dstp, ptrdiff_t linesize,
-                             const uint8_t *srcp, ptrdiff_t mref,
-                             ptrdiff_t pref, int clip_max);
-void ff_lowpass_line_16_avx (uint8_t *dstp, ptrdiff_t linesize,
-                             const uint8_t *srcp, ptrdiff_t mref,
-                             ptrdiff_t pref, int clip_max);
-void ff_lowpass_line_16_avx2 (uint8_t *dstp, ptrdiff_t linesize,
-                             const uint8_t *srcp, ptrdiff_t mref,
-                             ptrdiff_t pref, int clip_max);
-
-void ff_lowpass_line_complex_sse2(uint8_t *dstp, ptrdiff_t linesize,
-                                  const uint8_t *srcp, ptrdiff_t mref,
-                                  ptrdiff_t pref, int clip_max);
-
-void ff_lowpass_line_complex_12_sse2(uint8_t *dstp, ptrdiff_t linesize,
-                                     const uint8_t *srcp, ptrdiff_t mref,
-                                     ptrdiff_t pref, int clip_max);
-
-av_cold void ff_interlace_init_x86(InterlaceContext *s, int depth)
-{
-    int cpu_flags = av_get_cpu_flags();
-
-    if (depth > 8) {
-        if (EXTERNAL_SSE2(cpu_flags)) {
-            if (s->lowpass == VLPF_LIN)
-                s->lowpass_line = ff_lowpass_line_16_sse2;
-            else if (s->lowpass == VLPF_CMP)
-                s->lowpass_line = ff_lowpass_line_complex_12_sse2;
-        }
-        if (EXTERNAL_AVX(cpu_flags))
-            if (s->lowpass == VLPF_LIN)
-                s->lowpass_line = ff_lowpass_line_16_avx;
-        if (EXTERNAL_AVX2_FAST(cpu_flags))
-            if (s->lowpass == VLPF_LIN)
-                s->lowpass_line = ff_lowpass_line_16_avx2;
-    } else {
-        if (EXTERNAL_SSE2(cpu_flags)) {
-            if (s->lowpass == VLPF_LIN)
-                s->lowpass_line = ff_lowpass_line_sse2;
-            else if (s->lowpass == VLPF_CMP)
-                s->lowpass_line = ff_lowpass_line_complex_sse2;
-        }
-        if (EXTERNAL_AVX(cpu_flags))
-            if (s->lowpass == VLPF_LIN)
-                s->lowpass_line = ff_lowpass_line_avx;
-        if (EXTERNAL_AVX2_FAST(cpu_flags))
-            if (s->lowpass == VLPF_LIN)
-                s->lowpass_line = ff_lowpass_line_avx2;
-    }
-}



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