[FFmpeg-cvslog] lavfi: rename framesync2 to framesync.

Nicolas George git at videolan.org
Tue Sep 12 12:08:08 EEST 2017


ffmpeg | branch: master | Nicolas George <george at nsup.org> | Thu Aug 31 19:47:37 2017 +0200| [5f5dcf44e3c40da8c2334b9d2e62f30739d644c0] | committer: Nicolas George

lavfi: rename framesync2 to framesync.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5f5dcf44e3c40da8c2334b9d2e62f30739d644c0
---

 libavfilter/Makefile                      | 50 +++++++++++++++----------------
 libavfilter/f_streamselect.c              | 12 ++++----
 libavfilter/{framesync2.c => framesync.c} | 32 ++++++++++----------
 libavfilter/{framesync2.h => framesync.h} | 42 +++++++++++++-------------
 libavfilter/maskedmerge.h                 |  2 +-
 libavfilter/vf_blend.c                    | 12 ++++----
 libavfilter/vf_convolve.c                 | 12 ++++----
 libavfilter/vf_displace.c                 | 16 +++++-----
 libavfilter/vf_hysteresis.c               | 14 ++++-----
 libavfilter/vf_libvmaf.c                  | 12 ++++----
 libavfilter/vf_lut2.c                     | 14 ++++-----
 libavfilter/vf_lut3d.c                    | 12 ++++----
 libavfilter/vf_maskedclamp.c              | 16 +++++-----
 libavfilter/vf_maskedmerge.c              | 14 ++++-----
 libavfilter/vf_mergeplanes.c              | 12 ++++----
 libavfilter/vf_midequalizer.c             | 14 ++++-----
 libavfilter/vf_overlay.c                  | 12 ++++----
 libavfilter/vf_paletteuse.c               | 12 ++++----
 libavfilter/vf_premultiply.c              | 14 ++++-----
 libavfilter/vf_psnr.c                     | 12 ++++----
 libavfilter/vf_remap.c                    | 16 +++++-----
 libavfilter/vf_ssim.c                     | 12 ++++----
 libavfilter/vf_stack.c                    | 12 ++++----
 libavfilter/vf_threshold.c                | 18 +++++------
 24 files changed, 197 insertions(+), 197 deletions(-)

diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index 510cf5ad19..8aa974e115 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -67,7 +67,7 @@ OBJS-$(CONFIG_ASHOWINFO_FILTER)              += af_ashowinfo.o
 OBJS-$(CONFIG_ASIDEDATA_FILTER)              += f_sidedata.o
 OBJS-$(CONFIG_ASPLIT_FILTER)                 += split.o
 OBJS-$(CONFIG_ASTATS_FILTER)                 += af_astats.o
-OBJS-$(CONFIG_ASTREAMSELECT_FILTER)          += f_streamselect.o framesync2.o
+OBJS-$(CONFIG_ASTREAMSELECT_FILTER)          += f_streamselect.o framesync.o
 OBJS-$(CONFIG_ATEMPO_FILTER)                 += af_atempo.o
 OBJS-$(CONFIG_ATRIM_FILTER)                  += trim.o
 OBJS-$(CONFIG_AZMQ_FILTER)                   += f_zmq.o
@@ -137,7 +137,7 @@ OBJS-$(CONFIG_BENCH_FILTER)                  += f_bench.o
 OBJS-$(CONFIG_BITPLANENOISE_FILTER)          += vf_bitplanenoise.o
 OBJS-$(CONFIG_BLACKDETECT_FILTER)            += vf_blackdetect.o
 OBJS-$(CONFIG_BLACKFRAME_FILTER)             += vf_blackframe.o
-OBJS-$(CONFIG_BLEND_FILTER)                  += vf_blend.o framesync2.o
+OBJS-$(CONFIG_BLEND_FILTER)                  += vf_blend.o framesync.o
 OBJS-$(CONFIG_BOXBLUR_FILTER)                += vf_boxblur.o
 OBJS-$(CONFIG_BWDIF_FILTER)                  += vf_bwdif.o
 OBJS-$(CONFIG_CHROMAKEY_FILTER)              += vf_chromakey.o
@@ -150,7 +150,7 @@ OBJS-$(CONFIG_COLORLEVELS_FILTER)            += vf_colorlevels.o
 OBJS-$(CONFIG_COLORMATRIX_FILTER)            += vf_colormatrix.o
 OBJS-$(CONFIG_COLORSPACE_FILTER)             += vf_colorspace.o colorspacedsp.o
 OBJS-$(CONFIG_CONVOLUTION_FILTER)            += vf_convolution.o
-OBJS-$(CONFIG_CONVOLVE_FILTER)               += vf_convolve.o framesync2.o
+OBJS-$(CONFIG_CONVOLVE_FILTER)               += vf_convolve.o framesync.o
 OBJS-$(CONFIG_COPY_FILTER)                   += vf_copy.o
 OBJS-$(CONFIG_COREIMAGE_FILTER)              += vf_coreimage.o
 OBJS-$(CONFIG_COVER_RECT_FILTER)             += vf_cover_rect.o lavfutils.o
@@ -171,7 +171,7 @@ OBJS-$(CONFIG_DESHAKE_FILTER)                += vf_deshake.o
 OBJS-$(CONFIG_DESPILL_FILTER)                += vf_despill.o
 OBJS-$(CONFIG_DETELECINE_FILTER)             += vf_detelecine.o
 OBJS-$(CONFIG_DILATION_FILTER)               += vf_neighbor.o
-OBJS-$(CONFIG_DISPLACE_FILTER)               += vf_displace.o framesync2.o
+OBJS-$(CONFIG_DISPLACE_FILTER)               += vf_displace.o framesync.o
 OBJS-$(CONFIG_DOUBLEWEAVE_FILTER)            += vf_weave.o
 OBJS-$(CONFIG_DRAWBOX_FILTER)                += vf_drawbox.o
 OBJS-$(CONFIG_DRAWGRAPH_FILTER)              += f_drawgraph.o
@@ -200,19 +200,19 @@ OBJS-$(CONFIG_FSPP_FILTER)                   += vf_fspp.o
 OBJS-$(CONFIG_GBLUR_FILTER)                  += vf_gblur.o
 OBJS-$(CONFIG_GEQ_FILTER)                    += vf_geq.o
 OBJS-$(CONFIG_GRADFUN_FILTER)                += vf_gradfun.o
-OBJS-$(CONFIG_HALDCLUT_FILTER)               += vf_lut3d.o framesync2.o
+OBJS-$(CONFIG_HALDCLUT_FILTER)               += vf_lut3d.o framesync.o
 OBJS-$(CONFIG_HFLIP_FILTER)                  += vf_hflip.o
 OBJS-$(CONFIG_HISTEQ_FILTER)                 += vf_histeq.o
 OBJS-$(CONFIG_HISTOGRAM_FILTER)              += vf_histogram.o
 OBJS-$(CONFIG_HQDN3D_FILTER)                 += vf_hqdn3d.o
 OBJS-$(CONFIG_HQX_FILTER)                    += vf_hqx.o
-OBJS-$(CONFIG_HSTACK_FILTER)                 += vf_stack.o framesync2.o
+OBJS-$(CONFIG_HSTACK_FILTER)                 += vf_stack.o framesync.o
 OBJS-$(CONFIG_HUE_FILTER)                    += vf_hue.o
 OBJS-$(CONFIG_HWDOWNLOAD_FILTER)             += vf_hwdownload.o
 OBJS-$(CONFIG_HWMAP_FILTER)                  += vf_hwmap.o
 OBJS-$(CONFIG_HWUPLOAD_CUDA_FILTER)          += vf_hwupload_cuda.o
 OBJS-$(CONFIG_HWUPLOAD_FILTER)               += vf_hwupload.o
-OBJS-$(CONFIG_HYSTERESIS_FILTER)             += vf_hysteresis.o framesync2.o
+OBJS-$(CONFIG_HYSTERESIS_FILTER)             += vf_hysteresis.o framesync.o
 OBJS-$(CONFIG_IDET_FILTER)                   += vf_idet.o
 OBJS-$(CONFIG_IL_FILTER)                     += vf_il.o
 OBJS-$(CONFIG_INFLATE_FILTER)                += vf_neighbor.o
@@ -220,22 +220,22 @@ OBJS-$(CONFIG_INTERLACE_FILTER)              += vf_interlace.o
 OBJS-$(CONFIG_INTERLEAVE_FILTER)             += f_interleave.o
 OBJS-$(CONFIG_KERNDEINT_FILTER)              += vf_kerndeint.o
 OBJS-$(CONFIG_LENSCORRECTION_FILTER)         += vf_lenscorrection.o
-OBJS-$(CONFIG_LIBVMAF_FILTER)                += vf_libvmaf.o framesync2.o
+OBJS-$(CONFIG_LIBVMAF_FILTER)                += vf_libvmaf.o framesync.o
 OBJS-$(CONFIG_LIMITER_FILTER)                += vf_limiter.o
 OBJS-$(CONFIG_LOOP_FILTER)                   += f_loop.o
 OBJS-$(CONFIG_LUMAKEY_FILTER)                += vf_lumakey.o
 OBJS-$(CONFIG_LUT_FILTER)                    += vf_lut.o
-OBJS-$(CONFIG_LUT2_FILTER)                   += vf_lut2.o framesync2.o
+OBJS-$(CONFIG_LUT2_FILTER)                   += vf_lut2.o framesync.o
 OBJS-$(CONFIG_LUT3D_FILTER)                  += vf_lut3d.o
 OBJS-$(CONFIG_LUTRGB_FILTER)                 += vf_lut.o
 OBJS-$(CONFIG_LUTYUV_FILTER)                 += vf_lut.o
-OBJS-$(CONFIG_MASKEDCLAMP_FILTER)            += vf_maskedclamp.o framesync2.o
-OBJS-$(CONFIG_MASKEDMERGE_FILTER)            += vf_maskedmerge.o framesync2.o
+OBJS-$(CONFIG_MASKEDCLAMP_FILTER)            += vf_maskedclamp.o framesync.o
+OBJS-$(CONFIG_MASKEDMERGE_FILTER)            += vf_maskedmerge.o framesync.o
 OBJS-$(CONFIG_MCDEINT_FILTER)                += vf_mcdeint.o
-OBJS-$(CONFIG_MERGEPLANES_FILTER)            += vf_mergeplanes.o framesync2.o
+OBJS-$(CONFIG_MERGEPLANES_FILTER)            += vf_mergeplanes.o framesync.o
 OBJS-$(CONFIG_MESTIMATE_FILTER)              += vf_mestimate.o motion_estimation.o
 OBJS-$(CONFIG_METADATA_FILTER)               += f_metadata.o
-OBJS-$(CONFIG_MIDEQUALIZER_FILTER)           += vf_midequalizer.o framesync2.o
+OBJS-$(CONFIG_MIDEQUALIZER_FILTER)           += vf_midequalizer.o framesync.o
 OBJS-$(CONFIG_MINTERPOLATE_FILTER)           += vf_minterpolate.o motion_estimation.o
 OBJS-$(CONFIG_MPDECIMATE_FILTER)             += vf_mpdecimate.o
 OBJS-$(CONFIG_NEGATE_FILTER)                 += vf_lut.o
@@ -248,11 +248,11 @@ OBJS-$(CONFIG_OCR_FILTER)                    += vf_ocr.o
 OBJS-$(CONFIG_OCV_FILTER)                    += vf_libopencv.o
 OBJS-$(CONFIG_OPENCL)                        += deshake_opencl.o unsharp_opencl.o
 OBJS-$(CONFIG_OSCILLOSCOPE_FILTER)           += vf_datascope.o
-OBJS-$(CONFIG_OVERLAY_FILTER)                += vf_overlay.o framesync2.o
+OBJS-$(CONFIG_OVERLAY_FILTER)                += vf_overlay.o framesync.o
 OBJS-$(CONFIG_OWDENOISE_FILTER)              += vf_owdenoise.o
 OBJS-$(CONFIG_PAD_FILTER)                    += vf_pad.o
 OBJS-$(CONFIG_PALETTEGEN_FILTER)             += vf_palettegen.o
-OBJS-$(CONFIG_PALETTEUSE_FILTER)             += vf_paletteuse.o framesync2.o
+OBJS-$(CONFIG_PALETTEUSE_FILTER)             += vf_paletteuse.o framesync.o
 OBJS-$(CONFIG_PERMS_FILTER)                  += f_perms.o
 OBJS-$(CONFIG_PERSPECTIVE_FILTER)            += vf_perspective.o
 OBJS-$(CONFIG_PHASE_FILTER)                  += vf_phase.o
@@ -260,17 +260,17 @@ OBJS-$(CONFIG_PIXDESCTEST_FILTER)            += vf_pixdesctest.o
 OBJS-$(CONFIG_PIXSCOPE_FILTER)               += vf_datascope.o
 OBJS-$(CONFIG_PP_FILTER)                     += vf_pp.o
 OBJS-$(CONFIG_PP7_FILTER)                    += vf_pp7.o
-OBJS-$(CONFIG_PREMULTIPLY_FILTER)            += vf_premultiply.o framesync2.o
+OBJS-$(CONFIG_PREMULTIPLY_FILTER)            += vf_premultiply.o framesync.o
 OBJS-$(CONFIG_PREWITT_FILTER)                += vf_convolution.o
 OBJS-$(CONFIG_PSEUDOCOLOR_FILTER)            += vf_pseudocolor.o
-OBJS-$(CONFIG_PSNR_FILTER)                   += vf_psnr.o framesync2.o
+OBJS-$(CONFIG_PSNR_FILTER)                   += vf_psnr.o framesync.o
 OBJS-$(CONFIG_PULLUP_FILTER)                 += vf_pullup.o
 OBJS-$(CONFIG_QP_FILTER)                     += vf_qp.o
 OBJS-$(CONFIG_RANDOM_FILTER)                 += vf_random.o
 OBJS-$(CONFIG_READEIA608_FILTER)             += vf_readeia608.o
 OBJS-$(CONFIG_READVITC_FILTER)               += vf_readvitc.o
 OBJS-$(CONFIG_REALTIME_FILTER)               += f_realtime.o
-OBJS-$(CONFIG_REMAP_FILTER)                  += vf_remap.o framesync2.o
+OBJS-$(CONFIG_REMAP_FILTER)                  += vf_remap.o framesync.o
 OBJS-$(CONFIG_REMOVEGRAIN_FILTER)            += vf_removegrain.o
 OBJS-$(CONFIG_REMOVELOGO_FILTER)             += bbox.o lswsutils.o lavfutils.o vf_removelogo.o
 OBJS-$(CONFIG_REPEATFIELDS_FILTER)           += vf_repeatfields.o
@@ -304,24 +304,24 @@ OBJS-$(CONFIG_SMARTBLUR_FILTER)              += vf_smartblur.o
 OBJS-$(CONFIG_SOBEL_FILTER)                  += vf_convolution.o
 OBJS-$(CONFIG_SPLIT_FILTER)                  += split.o
 OBJS-$(CONFIG_SPP_FILTER)                    += vf_spp.o
-OBJS-$(CONFIG_SSIM_FILTER)                   += vf_ssim.o framesync2.o
+OBJS-$(CONFIG_SSIM_FILTER)                   += vf_ssim.o framesync.o
 OBJS-$(CONFIG_STEREO3D_FILTER)               += vf_stereo3d.o
-OBJS-$(CONFIG_STREAMSELECT_FILTER)           += f_streamselect.o framesync2.o
+OBJS-$(CONFIG_STREAMSELECT_FILTER)           += f_streamselect.o framesync.o
 OBJS-$(CONFIG_SUBTITLES_FILTER)              += vf_subtitles.o
 OBJS-$(CONFIG_SUPER2XSAI_FILTER)             += vf_super2xsai.o
 OBJS-$(CONFIG_SWAPRECT_FILTER)               += vf_swaprect.o
 OBJS-$(CONFIG_SWAPUV_FILTER)                 += vf_swapuv.o
-OBJS-$(CONFIG_TBLEND_FILTER)                 += vf_blend.o framesync2.o
+OBJS-$(CONFIG_TBLEND_FILTER)                 += vf_blend.o framesync.o
 OBJS-$(CONFIG_TELECINE_FILTER)               += vf_telecine.o
-OBJS-$(CONFIG_THRESHOLD_FILTER)              += vf_threshold.o framesync2.o
+OBJS-$(CONFIG_THRESHOLD_FILTER)              += vf_threshold.o framesync.o
 OBJS-$(CONFIG_THUMBNAIL_FILTER)              += vf_thumbnail.o
 OBJS-$(CONFIG_TILE_FILTER)                   += vf_tile.o
 OBJS-$(CONFIG_TINTERLACE_FILTER)             += vf_tinterlace.o
-OBJS-$(CONFIG_TLUT2_FILTER)                  += vf_lut2.o framesync2.o
+OBJS-$(CONFIG_TLUT2_FILTER)                  += vf_lut2.o framesync.o
 OBJS-$(CONFIG_TONEMAP_FILTER)                += vf_tonemap.o
 OBJS-$(CONFIG_TRANSPOSE_FILTER)              += vf_transpose.o
 OBJS-$(CONFIG_TRIM_FILTER)                   += trim.o
-OBJS-$(CONFIG_UNPREMULTIPLY_FILTER)          += vf_premultiply.o framesync2.o
+OBJS-$(CONFIG_UNPREMULTIPLY_FILTER)          += vf_premultiply.o framesync.o
 OBJS-$(CONFIG_UNSHARP_FILTER)                += vf_unsharp.o
 OBJS-$(CONFIG_USPP_FILTER)                   += vf_uspp.o
 OBJS-$(CONFIG_VAGUEDENOISER_FILTER)          += vf_vaguedenoiser.o
@@ -330,7 +330,7 @@ OBJS-$(CONFIG_VFLIP_FILTER)                  += vf_vflip.o
 OBJS-$(CONFIG_VIDSTABDETECT_FILTER)          += vidstabutils.o vf_vidstabdetect.o
 OBJS-$(CONFIG_VIDSTABTRANSFORM_FILTER)       += vidstabutils.o vf_vidstabtransform.o
 OBJS-$(CONFIG_VIGNETTE_FILTER)               += vf_vignette.o
-OBJS-$(CONFIG_VSTACK_FILTER)                 += vf_stack.o framesync2.o
+OBJS-$(CONFIG_VSTACK_FILTER)                 += vf_stack.o framesync.o
 OBJS-$(CONFIG_W3FDIF_FILTER)                 += vf_w3fdif.o
 OBJS-$(CONFIG_WAVEFORM_FILTER)               += vf_waveform.o
 OBJS-$(CONFIG_WEAVE_FILTER)                  += vf_weave.o
diff --git a/libavfilter/f_streamselect.c b/libavfilter/f_streamselect.c
index 10607de9b8..923deb1a85 100644
--- a/libavfilter/f_streamselect.c
+++ b/libavfilter/f_streamselect.c
@@ -22,7 +22,7 @@
 #include "avfilter.h"
 #include "audio.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "video.h"
 
@@ -56,7 +56,7 @@ static int process_frame(FFFrameSync *fs)
     int i, j, ret = 0;
 
     for (i = 0; i < ctx->nb_inputs; i++) {
-        if ((ret = ff_framesync2_get_frame(&s->fs, i, &in[i], 0)) < 0)
+        if ((ret = ff_framesync_get_frame(&s->fs, i, &in[i], 0)) < 0)
             return ret;
     }
 
@@ -87,7 +87,7 @@ static int process_frame(FFFrameSync *fs)
 static int activate(AVFilterContext *ctx)
 {
     StreamSelectContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static int config_output(AVFilterLink *outlink)
@@ -124,7 +124,7 @@ static int config_output(AVFilterLink *outlink)
     if (s->fs.opaque == s)
         return 0;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, ctx->nb_inputs)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, ctx->nb_inputs)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -142,7 +142,7 @@ static int config_output(AVFilterLink *outlink)
     if (!s->frames)
         return AVERROR(ENOMEM);
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int parse_definition(AVFilterContext *ctx, int nb_pads, int is_input, int is_audio)
@@ -289,7 +289,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     av_freep(&s->last_pts);
     av_freep(&s->map);
     av_freep(&s->frames);
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 }
 
 static int query_formats(AVFilterContext *ctx)
diff --git a/libavfilter/framesync2.c b/libavfilter/framesync.c
similarity index 93%
rename from libavfilter/framesync2.c
rename to libavfilter/framesync.c
index aea9937ce9..ebfbcaf090 100644
--- a/libavfilter/framesync2.c
+++ b/libavfilter/framesync.c
@@ -22,7 +22,7 @@
 #include "libavutil/opt.h"
 #include "avfilter.h"
 #include "filters.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 
 #define OFFSET(member) offsetof(FFFrameSync, member)
@@ -61,12 +61,12 @@ enum {
 
 static int consume_from_fifos(FFFrameSync *fs);
 
-const AVClass *framesync2_get_class(void)
+const AVClass *framesync_get_class(void)
 {
     return &framesync_class;
 }
 
-void ff_framesync2_preinit(FFFrameSync *fs)
+void ff_framesync_preinit(FFFrameSync *fs)
 {
     if (fs->class)
         return;
@@ -74,14 +74,14 @@ void ff_framesync2_preinit(FFFrameSync *fs)
     av_opt_set_defaults(fs);
 }
 
-int ff_framesync2_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
+int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
 {
     /* For filters with several outputs, we will not be able to assume which
        output is relevant for ff_outlink_frame_wanted() and
        ff_outlink_set_status(). To be designed when needed. */
     av_assert0(parent->nb_outputs == 1);
 
-    ff_framesync2_preinit(fs);
+    ff_framesync_preinit(fs);
     fs->parent = parent;
     fs->nb_in  = nb_in;
 
@@ -114,7 +114,7 @@ static void framesync_sync_level_update(FFFrameSync *fs)
         framesync_eof(fs);
 }
 
-int ff_framesync2_configure(FFFrameSync *fs)
+int ff_framesync_configure(FFFrameSync *fs)
 {
     unsigned i;
     int64_t gcd, lcm;
@@ -253,7 +253,7 @@ static void framesync_inject_status(FFFrameSync *fs, unsigned in, int status, in
     fs->in[in].have_next  = 1;
 }
 
-int ff_framesync2_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe,
+int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe,
                             unsigned get)
 {
     AVFrame *frame;
@@ -290,7 +290,7 @@ int ff_framesync2_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe,
     return 0;
 }
 
-void ff_framesync2_uninit(FFFrameSync *fs)
+void ff_framesync_uninit(FFFrameSync *fs)
 {
     unsigned i;
 
@@ -341,7 +341,7 @@ static int consume_from_fifos(FFFrameSync *fs)
     return 1;
 }
 
-int ff_framesync2_activate(FFFrameSync *fs)
+int ff_framesync_activate(FFFrameSync *fs)
 {
     int ret;
 
@@ -358,11 +358,11 @@ int ff_framesync2_activate(FFFrameSync *fs)
     return 0;
 }
 
-int ff_framesync2_init_dualinput(FFFrameSync *fs, AVFilterContext *parent)
+int ff_framesync_init_dualinput(FFFrameSync *fs, AVFilterContext *parent)
 {
     int ret;
 
-    ret = ff_framesync2_init(fs, parent, 2);
+    ret = ff_framesync_init(fs, parent, 2);
     if (ret < 0)
         return ret;
     fs->in[0].time_base = parent->inputs[0]->time_base;
@@ -376,14 +376,14 @@ int ff_framesync2_init_dualinput(FFFrameSync *fs, AVFilterContext *parent)
     return 0;
 }
 
-int ff_framesync2_dualinput_get(FFFrameSync *fs, AVFrame **f0, AVFrame **f1)
+int ff_framesync_dualinput_get(FFFrameSync *fs, AVFrame **f0, AVFrame **f1)
 {
     AVFilterContext *ctx = fs->parent;
     AVFrame *mainpic = NULL, *secondpic = NULL;
     int ret = 0;
 
-    if ((ret = ff_framesync2_get_frame(fs, 0, &mainpic,   1)) < 0 ||
-        (ret = ff_framesync2_get_frame(fs, 1, &secondpic, 0)) < 0) {
+    if ((ret = ff_framesync_get_frame(fs, 0, &mainpic,   1)) < 0 ||
+        (ret = ff_framesync_get_frame(fs, 1, &secondpic, 0)) < 0) {
         av_frame_free(&mainpic);
         return ret;
     }
@@ -398,11 +398,11 @@ int ff_framesync2_dualinput_get(FFFrameSync *fs, AVFrame **f0, AVFrame **f1)
     return 0;
 }
 
-int ff_framesync2_dualinput_get_writable(FFFrameSync *fs, AVFrame **f0, AVFrame **f1)
+int ff_framesync_dualinput_get_writable(FFFrameSync *fs, AVFrame **f0, AVFrame **f1)
 {
     int ret;
 
-    ret = ff_framesync2_dualinput_get(fs, f0, f1);
+    ret = ff_framesync_dualinput_get(fs, f0, f1);
     if (ret < 0)
         return ret;
     ret = ff_inlink_make_frame_writable(fs->parent->inputs[0], f0);
diff --git a/libavfilter/framesync2.h b/libavfilter/framesync.h
similarity index 86%
rename from libavfilter/framesync2.h
rename to libavfilter/framesync.h
index 63a0eabbeb..9fdc4d1ae2 100644
--- a/libavfilter/framesync2.h
+++ b/libavfilter/framesync.h
@@ -18,8 +18,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef AVFILTER_FRAMESYNC2_H
-#define AVFILTER_FRAMESYNC2_H
+#ifndef AVFILTER_FRAMESYNC_H
+#define AVFILTER_FRAMESYNC_H
 
 #include "bufferqueue.h"
 
@@ -47,7 +47,7 @@ enum EOFAction {
  * others can be configured.
  *
  * The basic working of this API is the following: set the on_event
- * callback, then call ff_framesync2_activate() from the filter's activate
+ * callback, then call ff_framesync_activate() from the filter's activate
  * callback.
  */
 
@@ -209,9 +209,9 @@ typedef struct FFFrameSync {
 } FFFrameSync;
 
 /**
- * Get the class for the framesync2 object.
+ * Get the class for the framesync object.
  */
-const AVClass *framesync2_get_class(void);
+const AVClass *framesync_get_class(void);
 
 /**
  * Pre-initialize a frame sync structure.
@@ -220,7 +220,7 @@ const AVClass *framesync2_get_class(void);
  * The entire structure is expected to be already set to 0.
  * This step is optional, but necessary to use the options.
  */
-void ff_framesync2_preinit(FFFrameSync *fs);
+void ff_framesync_preinit(FFFrameSync *fs);
 
 /**
  * Initialize a frame sync structure.
@@ -232,7 +232,7 @@ void ff_framesync2_preinit(FFFrameSync *fs);
  * @param  nb_in   number of inputs
  * @return  >= 0 for success or a negative error code
  */
-int ff_framesync2_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in);
+int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in);
 
 /**
  * Configure a frame sync structure.
@@ -241,12 +241,12 @@ int ff_framesync2_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
  *
  * @return  >= 0 for success or a negative error code
  */
-int ff_framesync2_configure(FFFrameSync *fs);
+int ff_framesync_configure(FFFrameSync *fs);
 
 /**
  * Free all memory currently allocated.
  */
-void ff_framesync2_uninit(FFFrameSync *fs);
+void ff_framesync_uninit(FFFrameSync *fs);
 
 /**
  * Get the current frame in an input.
@@ -258,16 +258,16 @@ void ff_framesync2_uninit(FFFrameSync *fs);
  *                the returned frame; the current frame will either be
  *                duplicated or removed from the framesync structure
  */
-int ff_framesync2_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe,
+int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe,
                             unsigned get);
 
 /**
  * Examine the frames in the filter's input and try to produce output.
  *
  * This function can be the complete implementation of the activate
- * method of a filter using framesync2.
+ * method of a filter using framesync.
  */
-int ff_framesync2_activate(FFFrameSync *fs);
+int ff_framesync_activate(FFFrameSync *fs);
 
 /**
  * Initialize a frame sync structure for dualinput.
@@ -277,35 +277,35 @@ int ff_framesync2_activate(FFFrameSync *fs);
  * the only one with sync set and generic timeline support will just pass it
  * unchanged when disabled.
  *
- * Equivalent to ff_framesync2_init(fs, parent, 2) then setting the time
+ * Equivalent to ff_framesync_init(fs, parent, 2) then setting the time
  * base, sync and ext modes on the inputs.
  */
-int ff_framesync2_init_dualinput(FFFrameSync *fs, AVFilterContext *parent);
+int ff_framesync_init_dualinput(FFFrameSync *fs, AVFilterContext *parent);
 
 /**
  * @param f0  used to return the main frame
  * @param f1  used to return the second frame, or NULL if disabled
  * @return  >=0 for success or AVERROR code
  */
-int ff_framesync2_dualinput_get(FFFrameSync *fs, AVFrame **f0, AVFrame **f1);
+int ff_framesync_dualinput_get(FFFrameSync *fs, AVFrame **f0, AVFrame **f1);
 
 /**
- * Same as ff_framesync2_dualinput_get(), but make sure that f0 is writable.
+ * Same as ff_framesync_dualinput_get(), but make sure that f0 is writable.
  */
-int ff_framesync2_dualinput_get_writable(FFFrameSync *fs, AVFrame **f0, AVFrame **f1);
+int ff_framesync_dualinput_get_writable(FFFrameSync *fs, AVFrame **f0, AVFrame **f1);
 
 #define FRAMESYNC_DEFINE_CLASS(name, context, field) \
 static int name##_framesync_preinit(AVFilterContext *ctx) { \
     context *s = ctx->priv; \
-    ff_framesync2_preinit(&s->field); \
+    ff_framesync_preinit(&s->field); \
     return 0; \
 } \
 static const AVClass *name##_child_class_next(const AVClass *prev) { \
-    return prev ? NULL : framesync2_get_class(); \
+    return prev ? NULL : framesync_get_class(); \
 } \
 static void *name##_child_next(void *obj, void *prev) { \
     context *s = obj; \
-    s->fs.class = framesync2_get_class(); /* FIXME */ \
+    s->fs.class = framesync_get_class(); /* FIXME */ \
     return prev ? NULL : &s->field; \
 } \
 static const AVClass name##_class = { \
@@ -318,4 +318,4 @@ static const AVClass name##_class = { \
     .child_next       = name##_child_next, \
 }
 
-#endif /* AVFILTER_FRAMESYNC2_H */
+#endif /* AVFILTER_FRAMESYNC_H */
diff --git a/libavfilter/maskedmerge.h b/libavfilter/maskedmerge.h
index 3d670f6d5d..8e2b1cf676 100644
--- a/libavfilter/maskedmerge.h
+++ b/libavfilter/maskedmerge.h
@@ -22,7 +22,7 @@
 #define AVFILTER_MASKEDMERGE_H
 
 #include "avfilter.h"
-#include "framesync2.h"
+#include "framesync.h"
 
 typedef struct MaskedMergeContext {
     const AVClass *class;
diff --git a/libavfilter/vf_blend.c b/libavfilter/vf_blend.c
index 4939b10150..054c0d55d0 100644
--- a/libavfilter/vf_blend.c
+++ b/libavfilter/vf_blend.c
@@ -25,7 +25,7 @@
 #include "avfilter.h"
 #include "bufferqueue.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "video.h"
 #include "blend.h"
@@ -411,7 +411,7 @@ static int blend_frame_for_dualinput(FFFrameSync *fs)
     AVFrame *top_buf, *bottom_buf, *dst_buf;
     int ret;
 
-    ret = ff_framesync2_dualinput_get(fs, &top_buf, &bottom_buf);
+    ret = ff_framesync_dualinput_get(fs, &top_buf, &bottom_buf);
     if (ret < 0)
         return ret;
     if (!bottom_buf)
@@ -454,7 +454,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     BlendContext *s = ctx->priv;
     int i;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
     av_frame_free(&s->prev_frame);
 
     for (i = 0; i < FF_ARRAY_ELEMS(s->params); i++)
@@ -554,7 +554,7 @@ static int config_output(AVFilterLink *outlink)
     s->nb_planes = av_pix_fmt_count_planes(toplink->format);
 
     if (!s->tblend)
-        if ((ret = ff_framesync2_init_dualinput(&s->fs, ctx)) < 0)
+        if ((ret = ff_framesync_init_dualinput(&s->fs, ctx)) < 0)
             return ret;
 
     for (plane = 0; plane < FF_ARRAY_ELEMS(s->params); plane++) {
@@ -581,7 +581,7 @@ static int config_output(AVFilterLink *outlink)
         }
     }
 
-    return s->tblend ? 0 : ff_framesync2_configure(&s->fs);
+    return s->tblend ? 0 : ff_framesync_configure(&s->fs);
 }
 
 #if CONFIG_BLEND_FILTER
@@ -589,7 +589,7 @@ static int config_output(AVFilterLink *outlink)
 static int activate(AVFilterContext *ctx)
 {
     BlendContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static const AVFilterPad blend_inputs[] = {
diff --git a/libavfilter/vf_convolve.c b/libavfilter/vf_convolve.c
index 63f3809598..e00a44d63d 100644
--- a/libavfilter/vf_convolve.c
+++ b/libavfilter/vf_convolve.c
@@ -25,7 +25,7 @@
 
 #include "avfilter.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "video.h"
 
@@ -262,7 +262,7 @@ static int do_convolve(FFFrameSync *fs)
     AVFrame *mainpic = NULL, *impulsepic = NULL;
     int ret, y, x, plane;
 
-    ret = ff_framesync2_dualinput_get(fs, &mainpic, &impulsepic);
+    ret = ff_framesync_dualinput_get(fs, &mainpic, &impulsepic);
     if (ret < 0)
         return ret;
     if (!impulsepic)
@@ -336,7 +336,7 @@ static int config_output(AVFilterLink *outlink)
     int ret, i;
 
     s->fs.on_event = do_convolve;
-    ret = ff_framesync2_init_dualinput(&s->fs, ctx);
+    ret = ff_framesync_init_dualinput(&s->fs, ctx);
     if (ret < 0)
         return ret;
     outlink->w = mainlink->w;
@@ -345,7 +345,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = mainlink->sample_aspect_ratio;
     outlink->frame_rate = mainlink->frame_rate;
 
-    if ((ret = ff_framesync2_configure(&s->fs)) < 0)
+    if ((ret = ff_framesync_configure(&s->fs)) < 0)
         return ret;
 
     for (i = 0; i < s->nb_planes; i++) {
@@ -361,7 +361,7 @@ static int config_output(AVFilterLink *outlink)
 static int activate(AVFilterContext *ctx)
 {
     ConvolveContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
@@ -378,7 +378,7 @@ static av_cold void uninit(AVFilterContext *ctx)
         av_fft_end(s->ifft[i]);
     }
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 }
 
 static const AVFilterPad convolve_inputs[] = {
diff --git a/libavfilter/vf_displace.c b/libavfilter/vf_displace.c
index 9f16ad441f..768af6def4 100644
--- a/libavfilter/vf_displace.c
+++ b/libavfilter/vf_displace.c
@@ -23,7 +23,7 @@
 #include "libavutil/opt.h"
 #include "avfilter.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "video.h"
 
@@ -248,9 +248,9 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out, *in, *xpic, *ypic;
     int ret;
 
-    if ((ret = ff_framesync2_get_frame(&s->fs, 0, &in,   0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 1, &xpic, 0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 2, &ypic, 0)) < 0)
+    if ((ret = ff_framesync_get_frame(&s->fs, 0, &in,   0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 1, &xpic, 0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 2, &ypic, 0)) < 0)
         return ret;
 
     if (ctx->is_disabled) {
@@ -336,7 +336,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = srclink->sample_aspect_ratio;
     outlink->frame_rate = srclink->frame_rate;
 
-    ret = ff_framesync2_init(&s->fs, ctx, 3);
+    ret = ff_framesync_init(&s->fs, ctx, 3);
     if (ret < 0)
         return ret;
 
@@ -356,20 +356,20 @@ static int config_output(AVFilterLink *outlink)
     s->fs.opaque   = s;
     s->fs.on_event = process_frame;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int activate(AVFilterContext *ctx)
 {
     DisplaceContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
 {
     DisplaceContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 }
 
 static const AVFilterPad displace_inputs[] = {
diff --git a/libavfilter/vf_hysteresis.c b/libavfilter/vf_hysteresis.c
index 8ee827d8af..a788e1b9ee 100644
--- a/libavfilter/vf_hysteresis.c
+++ b/libavfilter/vf_hysteresis.c
@@ -26,7 +26,7 @@
 #include "formats.h"
 #include "internal.h"
 #include "video.h"
-#include "framesync2.h"
+#include "framesync.h"
 
 #define OFFSET(x) offsetof(HysteresisContext, x)
 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
@@ -94,8 +94,8 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out, *base, *alt;
     int ret;
 
-    if ((ret = ff_framesync2_get_frame(&s->fs, 0, &base, 0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 1, &alt,  0)) < 0)
+    if ((ret = ff_framesync_get_frame(&s->fs, 0, &base, 0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 1, &alt,  0)) < 0)
         return ret;
 
     if (ctx->is_disabled) {
@@ -324,7 +324,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = base->sample_aspect_ratio;
     outlink->frame_rate = base->frame_rate;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, 2)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, 2)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -339,20 +339,20 @@ static int config_output(AVFilterLink *outlink)
     s->fs.opaque   = s;
     s->fs.on_event = process_frame;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int activate(AVFilterContext *ctx)
 {
     HysteresisContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
 {
     HysteresisContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
     av_freep(&s->map);
     av_freep(&s->xy);
 }
diff --git a/libavfilter/vf_libvmaf.c b/libavfilter/vf_libvmaf.c
index 405820f182..2c3a9f3349 100644
--- a/libavfilter/vf_libvmaf.c
+++ b/libavfilter/vf_libvmaf.c
@@ -32,7 +32,7 @@
 #include "avfilter.h"
 #include "drawutils.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "video.h"
 
@@ -177,7 +177,7 @@ static int do_vmaf(FFFrameSync *fs)
     AVFrame *main, *ref;
     int ret;
 
-    ret = ff_framesync2_dualinput_get(fs, &main, &ref);
+    ret = ff_framesync_dualinput_get(fs, &main, &ref);
     if (ret < 0)
         return ret;
     if (!ref)
@@ -266,7 +266,7 @@ static int config_output(AVFilterLink *outlink)
     AVFilterLink *mainlink = ctx->inputs[0];
     int ret;
 
-    ret = ff_framesync2_init_dualinput(&s->fs, ctx);
+    ret = ff_framesync_init_dualinput(&s->fs, ctx);
     if (ret < 0)
         return ret;
     outlink->w = mainlink->w;
@@ -274,7 +274,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->time_base = mainlink->time_base;
     outlink->sample_aspect_ratio = mainlink->sample_aspect_ratio;
     outlink->frame_rate = mainlink->frame_rate;
-    if ((ret = ff_framesync2_configure(&s->fs)) < 0)
+    if ((ret = ff_framesync_configure(&s->fs)) < 0)
         return ret;
 
     return 0;
@@ -283,14 +283,14 @@ static int config_output(AVFilterLink *outlink)
 static int activate(AVFilterContext *ctx)
 {
     LIBVMAFContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
 {
     LIBVMAFContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 
     pthread_mutex_lock(&s->lock);
     s->eof = 1;
diff --git a/libavfilter/vf_lut2.c b/libavfilter/vf_lut2.c
index ba599c3d14..585d121ca3 100644
--- a/libavfilter/vf_lut2.c
+++ b/libavfilter/vf_lut2.c
@@ -28,7 +28,7 @@
 #include "formats.h"
 #include "internal.h"
 #include "video.h"
-#include "framesync2.h"
+#include "framesync.h"
 
 static const char *const var_names[] = {
     "w",        ///< width of the input video
@@ -85,7 +85,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     LUT2Context *s = ctx->priv;
     int i;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
     av_frame_free(&s->prev_frame);
 
     for (i = 0; i < 4; i++) {
@@ -216,8 +216,8 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out, *srcx = NULL, *srcy = NULL;
     int ret;
 
-    if ((ret = ff_framesync2_get_frame(&s->fs, 0, &srcx, 0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 1, &srcy, 0)) < 0)
+    if ((ret = ff_framesync_get_frame(&s->fs, 0, &srcx, 0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 1, &srcy, 0)) < 0)
         return ret;
 
     if (ctx->is_disabled || !srcy) {
@@ -327,7 +327,7 @@ static int lut2_config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = srcx->sample_aspect_ratio;
     outlink->frame_rate = srcx->frame_rate;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, 2)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, 2)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -345,13 +345,13 @@ static int lut2_config_output(AVFilterLink *outlink)
     if ((ret = config_output(outlink)) < 0)
         return ret;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int activate(AVFilterContext *ctx)
 {
     LUT2Context *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static const AVFilterPad inputs[] = {
diff --git a/libavfilter/vf_lut3d.c b/libavfilter/vf_lut3d.c
index 5ba91f7e47..39cd73f0de 100644
--- a/libavfilter/vf_lut3d.c
+++ b/libavfilter/vf_lut3d.c
@@ -32,7 +32,7 @@
 #include "avfilter.h"
 #include "drawutils.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "video.h"
 
@@ -681,13 +681,13 @@ static int config_output(AVFilterLink *outlink)
     LUT3DContext *lut3d = ctx->priv;
     int ret;
 
-    ret = ff_framesync2_init_dualinput(&lut3d->fs, ctx);
+    ret = ff_framesync_init_dualinput(&lut3d->fs, ctx);
     if (ret < 0)
         return ret;
     outlink->w = ctx->inputs[0]->w;
     outlink->h = ctx->inputs[0]->h;
     outlink->time_base = ctx->inputs[0]->time_base;
-    if ((ret = ff_framesync2_configure(&lut3d->fs)) < 0)
+    if ((ret = ff_framesync_configure(&lut3d->fs)) < 0)
         return ret;
     return 0;
 }
@@ -695,7 +695,7 @@ static int config_output(AVFilterLink *outlink)
 static int activate(AVFilterContext *ctx)
 {
     LUT3DContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static int config_clut(AVFilterLink *inlink)
@@ -755,7 +755,7 @@ static int update_apply_clut(FFFrameSync *fs)
     AVFrame *main, *second, *out;
     int ret;
 
-    ret = ff_framesync2_dualinput_get(fs, &main, &second);
+    ret = ff_framesync_dualinput_get(fs, &main, &second);
     if (ret < 0)
         return ret;
     if (!second)
@@ -775,7 +775,7 @@ static av_cold int haldclut_init(AVFilterContext *ctx)
 static av_cold void haldclut_uninit(AVFilterContext *ctx)
 {
     LUT3DContext *lut3d = ctx->priv;
-    ff_framesync2_uninit(&lut3d->fs);
+    ff_framesync_uninit(&lut3d->fs);
 }
 
 static const AVOption haldclut_options[] = {
diff --git a/libavfilter/vf_maskedclamp.c b/libavfilter/vf_maskedclamp.c
index 81ba05147c..67a979f8c0 100644
--- a/libavfilter/vf_maskedclamp.c
+++ b/libavfilter/vf_maskedclamp.c
@@ -25,7 +25,7 @@
 #include "formats.h"
 #include "internal.h"
 #include "video.h"
-#include "framesync2.h"
+#include "framesync.h"
 
 #define OFFSET(x) offsetof(MaskedClampContext, x)
 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
@@ -93,9 +93,9 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out, *base, *dark, *bright;
     int ret;
 
-    if ((ret = ff_framesync2_get_frame(&s->fs, 0, &base,   0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 1, &dark,   0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 2, &bright, 0)) < 0)
+    if ((ret = ff_framesync_get_frame(&s->fs, 0, &base,   0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 1, &dark,   0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 2, &bright, 0)) < 0)
         return ret;
 
     if (ctx->is_disabled) {
@@ -265,7 +265,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = base->sample_aspect_ratio;
     outlink->frame_rate = base->frame_rate;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, 3)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, 3)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -284,20 +284,20 @@ static int config_output(AVFilterLink *outlink)
     s->fs.opaque   = s;
     s->fs.on_event = process_frame;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int activate(AVFilterContext *ctx)
 {
     MaskedClampContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
 {
     MaskedClampContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 }
 
 static const AVFilterPad maskedclamp_inputs[] = {
diff --git a/libavfilter/vf_maskedmerge.c b/libavfilter/vf_maskedmerge.c
index cd11c959f6..d31b92659e 100644
--- a/libavfilter/vf_maskedmerge.c
+++ b/libavfilter/vf_maskedmerge.c
@@ -71,9 +71,9 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out, *base, *overlay, *mask;
     int ret;
 
-    if ((ret = ff_framesync2_get_frame(&s->fs, 0, &base,    0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 1, &overlay, 0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 2, &mask,    0)) < 0)
+    if ((ret = ff_framesync_get_frame(&s->fs, 0, &base,    0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 1, &overlay, 0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 2, &mask,    0)) < 0)
         return ret;
 
     if (ctx->is_disabled) {
@@ -232,7 +232,7 @@ static int config_output(AVFilterLink *outlink)
     if ((ret = av_image_fill_linesizes(s->linesize, outlink->format, outlink->w)) < 0)
         return ret;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, 3)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, 3)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -251,20 +251,20 @@ static int config_output(AVFilterLink *outlink)
     s->fs.opaque   = s;
     s->fs.on_event = process_frame;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int activate(AVFilterContext *ctx)
 {
     MaskedMergeContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
 {
     MaskedMergeContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 }
 
 static const AVFilterPad maskedmerge_inputs[] = {
diff --git a/libavfilter/vf_mergeplanes.c b/libavfilter/vf_mergeplanes.c
index b8ccee0802..4b4f91be5d 100644
--- a/libavfilter/vf_mergeplanes.c
+++ b/libavfilter/vf_mergeplanes.c
@@ -25,7 +25,7 @@
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
 #include "internal.h"
-#include "framesync2.h"
+#include "framesync.h"
 
 typedef struct InputParam {
     int depth[4];
@@ -143,7 +143,7 @@ static int process_frame(FFFrameSync *fs)
     int i, ret;
 
     for (i = 0; i < s->nb_inputs; i++) {
-        if ((ret = ff_framesync2_get_frame(&s->fs, i, &in[i], 0)) < 0)
+        if ((ret = ff_framesync_get_frame(&s->fs, i, &in[i], 0)) < 0)
             return ret;
     }
 
@@ -172,7 +172,7 @@ static int config_output(AVFilterLink *outlink)
     FFFrameSyncIn *in;
     int i, ret;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, s->nb_inputs)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, s->nb_inputs)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -265,7 +265,7 @@ static int config_output(AVFilterLink *outlink)
         }
     }
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 fail:
     return AVERROR(EINVAL);
 }
@@ -273,7 +273,7 @@ fail:
 static int activate(AVFilterContext *ctx)
 {
     MergePlanesContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
@@ -281,7 +281,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     MergePlanesContext *s = ctx->priv;
     int i;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 
     for (i = 0; i < ctx->nb_inputs; i++)
         av_freep(&ctx->input_pads[i].name);
diff --git a/libavfilter/vf_midequalizer.c b/libavfilter/vf_midequalizer.c
index 8101741bdc..c03814a24f 100644
--- a/libavfilter/vf_midequalizer.c
+++ b/libavfilter/vf_midequalizer.c
@@ -25,7 +25,7 @@
 #include "formats.h"
 #include "internal.h"
 #include "video.h"
-#include "framesync2.h"
+#include "framesync.h"
 
 typedef struct MidEqualizerContext {
     const AVClass *class;
@@ -89,8 +89,8 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out, *in0, *in1;
     int ret;
 
-    if ((ret = ff_framesync2_get_frame(&s->fs, 0, &in0, 0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 1, &in1, 0)) < 0)
+    if ((ret = ff_framesync_get_frame(&s->fs, 0, &in0, 0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 1, &in1, 0)) < 0)
         return ret;
 
     if (ctx->is_disabled) {
@@ -311,7 +311,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = in0->sample_aspect_ratio;
     outlink->frame_rate = in0->frame_rate;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, 2)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, 2)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -326,20 +326,20 @@ static int config_output(AVFilterLink *outlink)
     s->fs.opaque   = s;
     s->fs.on_event = process_frame;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int activate(AVFilterContext *ctx)
 {
     MidEqualizerContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
 {
     MidEqualizerContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
     av_freep(&s->histogram[0]);
     av_freep(&s->histogram[1]);
     av_freep(&s->cchange);
diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
index 619a5a6354..5bf3d66cf1 100644
--- a/libavfilter/vf_overlay.c
+++ b/libavfilter/vf_overlay.c
@@ -37,7 +37,7 @@
 #include "libavutil/timestamp.h"
 #include "internal.h"
 #include "drawutils.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "video.h"
 
 static const char *const var_names[] = {
@@ -130,7 +130,7 @@ static av_cold void uninit(AVFilterContext *ctx)
 {
     OverlayContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
     av_expr_free(s->x_pexpr); s->x_pexpr = NULL;
     av_expr_free(s->y_pexpr); s->y_pexpr = NULL;
 }
@@ -377,14 +377,14 @@ static int config_output(AVFilterLink *outlink)
     OverlayContext *s = ctx->priv;
     int ret;
 
-    if ((ret = ff_framesync2_init_dualinput(&s->fs, ctx)) < 0)
+    if ((ret = ff_framesync_init_dualinput(&s->fs, ctx)) < 0)
         return ret;
 
     outlink->w = ctx->inputs[MAIN]->w;
     outlink->h = ctx->inputs[MAIN]->h;
     outlink->time_base = ctx->inputs[MAIN]->time_base;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 // divide by 255 and round to nearest
@@ -765,7 +765,7 @@ static int do_blend(FFFrameSync *fs)
     AVFilterLink *inlink = ctx->inputs[0];
     int ret;
 
-    ret = ff_framesync2_dualinput_get_writable(fs, &mainpic, &second);
+    ret = ff_framesync_dualinput_get_writable(fs, &mainpic, &second);
     if (ret < 0)
         return ret;
     if (!second)
@@ -808,7 +808,7 @@ static av_cold int init(AVFilterContext *ctx)
 static int activate(AVFilterContext *ctx)
 {
     OverlayContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 #define OFFSET(x) offsetof(OverlayContext, x)
diff --git a/libavfilter/vf_paletteuse.c b/libavfilter/vf_paletteuse.c
index 3d16c2dd84..ffd37bf1da 100644
--- a/libavfilter/vf_paletteuse.c
+++ b/libavfilter/vf_paletteuse.c
@@ -29,7 +29,7 @@
 #include "libavutil/qsort.h"
 #include "avfilter.h"
 #include "filters.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 
 enum dithering_mode {
@@ -904,7 +904,7 @@ static int config_output(AVFilterLink *outlink)
     AVFilterContext *ctx = outlink->src;
     PaletteUseContext *s = ctx->priv;
 
-    ret = ff_framesync2_init_dualinput(&s->fs, ctx);
+    ret = ff_framesync_init_dualinput(&s->fs, ctx);
     if (ret < 0)
         return ret;
     s->fs.opt_repeatlast = 1; // only 1 frame in the palette
@@ -915,7 +915,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->h = ctx->inputs[0]->h;
 
     outlink->time_base = ctx->inputs[0]->time_base;
-    if ((ret = ff_framesync2_configure(&s->fs)) < 0)
+    if ((ret = ff_framesync_configure(&s->fs)) < 0)
         return ret;
     return 0;
 }
@@ -971,7 +971,7 @@ static int load_apply_palette(FFFrameSync *fs)
     int ret;
 
     // writable for error diffusal dithering
-    ret = ff_framesync2_dualinput_get_writable(fs, &main, &second);
+    ret = ff_framesync_dualinput_get_writable(fs, &main, &second);
     if (ret < 0)
         return ret;
     if (!main || !second) {
@@ -1052,7 +1052,7 @@ static av_cold int init(AVFilterContext *ctx)
 static int activate(AVFilterContext *ctx)
 {
     PaletteUseContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
@@ -1060,7 +1060,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     int i;
     PaletteUseContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
     for (i = 0; i < CACHE_SIZE; i++)
         av_freep(&s->cache[i].entries);
     av_frame_free(&s->last_in);
diff --git a/libavfilter/vf_premultiply.c b/libavfilter/vf_premultiply.c
index 148a9e55cb..5120adc476 100644
--- a/libavfilter/vf_premultiply.c
+++ b/libavfilter/vf_premultiply.c
@@ -24,7 +24,7 @@
 #include "avfilter.h"
 #include "filters.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "video.h"
 
@@ -503,8 +503,8 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out = NULL, *base, *alpha;
     int ret;
 
-    if ((ret = ff_framesync2_get_frame(&s->fs, 0, &base,  0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 1, &alpha, 0)) < 0)
+    if ((ret = ff_framesync_get_frame(&s->fs, 0, &base,  0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 1, &alpha, 0)) < 0)
         return ret;
 
     if ((ret = filter_frame(ctx, &out, base, alpha)) < 0)
@@ -578,7 +578,7 @@ static int config_output(AVFilterLink *outlink)
     if (s->inplace)
         return 0;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, 2)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, 2)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -593,7 +593,7 @@ static int config_output(AVFilterLink *outlink)
     s->fs.opaque   = s;
     s->fs.on_event = process_frame;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int activate(AVFilterContext *ctx)
@@ -623,7 +623,7 @@ static int activate(AVFilterContext *ctx)
             return 0;
         }
     } else {
-        return ff_framesync2_activate(&s->fs);
+        return ff_framesync_activate(&s->fs);
     }
 }
 
@@ -668,7 +668,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     PreMultiplyContext *s = ctx->priv;
 
     if (!s->inplace)
-        ff_framesync2_uninit(&s->fs);
+        ff_framesync_uninit(&s->fs);
 }
 
 static const AVFilterPad premultiply_outputs[] = {
diff --git a/libavfilter/vf_psnr.c b/libavfilter/vf_psnr.c
index a8eb315445..adf16444ff 100644
--- a/libavfilter/vf_psnr.c
+++ b/libavfilter/vf_psnr.c
@@ -31,7 +31,7 @@
 #include "avfilter.h"
 #include "drawutils.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "psnr.h"
 #include "video.h"
@@ -151,7 +151,7 @@ static int do_psnr(FFFrameSync *fs)
     int ret, j, c;
     AVDictionary **metadata;
 
-    ret = ff_framesync2_dualinput_get(fs, &main, &ref);
+    ret = ff_framesync_dualinput_get(fs, &main, &ref);
     if (ret < 0)
         return ret;
     if (!ref)
@@ -339,7 +339,7 @@ static int config_output(AVFilterLink *outlink)
     AVFilterLink *mainlink = ctx->inputs[0];
     int ret;
 
-    ret = ff_framesync2_init_dualinput(&s->fs, ctx);
+    ret = ff_framesync_init_dualinput(&s->fs, ctx);
     if (ret < 0)
         return ret;
     outlink->w = mainlink->w;
@@ -347,7 +347,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->time_base = mainlink->time_base;
     outlink->sample_aspect_ratio = mainlink->sample_aspect_ratio;
     outlink->frame_rate = mainlink->frame_rate;
-    if ((ret = ff_framesync2_configure(&s->fs)) < 0)
+    if ((ret = ff_framesync_configure(&s->fs)) < 0)
         return ret;
 
     return 0;
@@ -356,7 +356,7 @@ static int config_output(AVFilterLink *outlink)
 static int activate(AVFilterContext *ctx)
 {
     PSNRContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
@@ -380,7 +380,7 @@ static av_cold void uninit(AVFilterContext *ctx)
                get_psnr(s->min_mse, 1, s->average_max));
     }
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 
     if (s->stats_file && s->stats_file != stdout)
         fclose(s->stats_file);
diff --git a/libavfilter/vf_remap.c b/libavfilter/vf_remap.c
index a62ec4c183..d24284703b 100644
--- a/libavfilter/vf_remap.c
+++ b/libavfilter/vf_remap.c
@@ -41,7 +41,7 @@
 #include "libavutil/opt.h"
 #include "avfilter.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "video.h"
 
@@ -286,9 +286,9 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out, *in, *xpic, *ypic;
     int ret;
 
-    if ((ret = ff_framesync2_get_frame(&s->fs, 0, &in,   0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 1, &xpic, 0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 2, &ypic, 0)) < 0)
+    if ((ret = ff_framesync_get_frame(&s->fs, 0, &in,   0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 1, &xpic, 0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 2, &ypic, 0)) < 0)
         return ret;
 
     if (ctx->is_disabled) {
@@ -333,7 +333,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = srclink->sample_aspect_ratio;
     outlink->frame_rate = srclink->frame_rate;
 
-    ret = ff_framesync2_init(&s->fs, ctx, 3);
+    ret = ff_framesync_init(&s->fs, ctx, 3);
     if (ret < 0)
         return ret;
 
@@ -353,13 +353,13 @@ static int config_output(AVFilterLink *outlink)
     s->fs.opaque   = s;
     s->fs.on_event = process_frame;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int activate(AVFilterContext *ctx)
 {
     RemapContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 
@@ -367,7 +367,7 @@ static av_cold void uninit(AVFilterContext *ctx)
 {
     RemapContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 }
 
 static const AVFilterPad remap_inputs[] = {
diff --git a/libavfilter/vf_ssim.c b/libavfilter/vf_ssim.c
index 5f5bed7a0e..40f09ad5aa 100644
--- a/libavfilter/vf_ssim.c
+++ b/libavfilter/vf_ssim.c
@@ -40,7 +40,7 @@
 #include "avfilter.h"
 #include "drawutils.h"
 #include "formats.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "ssim.h"
 #include "video.h"
@@ -291,7 +291,7 @@ static int do_ssim(FFFrameSync *fs)
     float c[4], ssimv = 0.0;
     int ret, i;
 
-    ret = ff_framesync2_dualinput_get(fs, &main, &ref);
+    ret = ff_framesync_dualinput_get(fs, &main, &ref);
     if (ret < 0)
         return ret;
     if (!ref)
@@ -431,7 +431,7 @@ static int config_output(AVFilterLink *outlink)
     AVFilterLink *mainlink = ctx->inputs[0];
     int ret;
 
-    ret = ff_framesync2_init_dualinput(&s->fs, ctx);
+    ret = ff_framesync_init_dualinput(&s->fs, ctx);
     if (ret < 0)
         return ret;
     outlink->w = mainlink->w;
@@ -440,7 +440,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = mainlink->sample_aspect_ratio;
     outlink->frame_rate = mainlink->frame_rate;
 
-    if ((ret = ff_framesync2_configure(&s->fs)) < 0)
+    if ((ret = ff_framesync_configure(&s->fs)) < 0)
         return ret;
 
     return 0;
@@ -449,7 +449,7 @@ static int config_output(AVFilterLink *outlink)
 static int activate(AVFilterContext *ctx)
 {
     SSIMContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
@@ -469,7 +469,7 @@ static av_cold void uninit(AVFilterContext *ctx)
                s->ssim_total / s->nb_frames, ssim_db(s->ssim_total, s->nb_frames));
     }
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 
     if (s->stats_file && s->stats_file != stdout)
         fclose(s->stats_file);
diff --git a/libavfilter/vf_stack.c b/libavfilter/vf_stack.c
index fa8a02257e..2467302159 100644
--- a/libavfilter/vf_stack.c
+++ b/libavfilter/vf_stack.c
@@ -26,7 +26,7 @@
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "video.h"
 
 typedef struct StackContext {
@@ -97,7 +97,7 @@ static int process_frame(FFFrameSync *fs)
     int i, p, ret, offset[4] = { 0 };
 
     for (i = 0; i < s->nb_inputs; i++) {
-        if ((ret = ff_framesync2_get_frame(&s->fs, i, &in[i], 0)) < 0)
+        if ((ret = ff_framesync_get_frame(&s->fs, i, &in[i], 0)) < 0)
             return ret;
     }
 
@@ -180,7 +180,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->time_base  = time_base;
     outlink->frame_rate = frame_rate;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, s->nb_inputs)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, s->nb_inputs)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -196,7 +196,7 @@ static int config_output(AVFilterLink *outlink)
         in[i].after  = s->shortest ? EXT_STOP : EXT_INFINITY;
     }
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
@@ -204,7 +204,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     StackContext *s = ctx->priv;
     int i;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
     av_freep(&s->frames);
 
     for (i = 0; i < ctx->nb_inputs; i++)
@@ -214,7 +214,7 @@ static av_cold void uninit(AVFilterContext *ctx)
 static int activate(AVFilterContext *ctx)
 {
     StackContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 #define OFFSET(x) offsetof(StackContext, x)
diff --git a/libavfilter/vf_threshold.c b/libavfilter/vf_threshold.c
index 4e31ab4c0f..88f6ef28d7 100644
--- a/libavfilter/vf_threshold.c
+++ b/libavfilter/vf_threshold.c
@@ -28,7 +28,7 @@
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
-#include "framesync2.h"
+#include "framesync.h"
 #include "internal.h"
 #include "video.h"
 
@@ -96,10 +96,10 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out, *in, *threshold, *min, *max;
     int ret;
 
-    if ((ret = ff_framesync2_get_frame(&s->fs, 0, &in,        0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 1, &threshold, 0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 2, &min,       0)) < 0 ||
-        (ret = ff_framesync2_get_frame(&s->fs, 3, &max,       0)) < 0)
+    if ((ret = ff_framesync_get_frame(&s->fs, 0, &in,        0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 1, &threshold, 0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 2, &min,       0)) < 0 ||
+        (ret = ff_framesync_get_frame(&s->fs, 3, &max,       0)) < 0)
         return ret;
 
     if (ctx->is_disabled) {
@@ -256,7 +256,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = base->sample_aspect_ratio;
     outlink->frame_rate = base->frame_rate;
 
-    if ((ret = ff_framesync2_init(&s->fs, ctx, 4)) < 0)
+    if ((ret = ff_framesync_init(&s->fs, ctx, 4)) < 0)
         return ret;
 
     in = s->fs.in;
@@ -279,20 +279,20 @@ static int config_output(AVFilterLink *outlink)
     s->fs.opaque   = s;
     s->fs.on_event = process_frame;
 
-    return ff_framesync2_configure(&s->fs);
+    return ff_framesync_configure(&s->fs);
 }
 
 static int activate(AVFilterContext *ctx)
 {
     ThresholdContext *s = ctx->priv;
-    return ff_framesync2_activate(&s->fs);
+    return ff_framesync_activate(&s->fs);
 }
 
 static av_cold void uninit(AVFilterContext *ctx)
 {
     ThresholdContext *s = ctx->priv;
 
-    ff_framesync2_uninit(&s->fs);
+    ff_framesync_uninit(&s->fs);
 }
 
 static const AVFilterPad inputs[] = {



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