lavfi/vf_remap: move to "activate" design.

libavfilter/Makefile

@@ -265,7 +265,7 @@ 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-$(CONFIG_REMAP_FILTER)                  += vf_remap.o framesync.o
+OBJS-$(CONFIG_REMAP_FILTER)                  += vf_remap.o framesync2.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

libavfilter/vf_remap.c

@@ -41,7 +41,7 @@
 #include "libavutil/opt.h"
 #include "avfilter.h"
 #include "formats.h"
-#include "framesync.h"
+#include "framesync2.h"
 #include "internal.h"
 #include "video.h"
 
@@ -283,9 +283,9 @@ static int process_frame(FFFrameSync *fs)
     AVFrame *out, *in, *xpic, *ypic;
     int ret;
 
-    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)
+    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)
         return ret;
 
     if (ctx->is_disabled) {
@@ -330,7 +330,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_aspect_ratio = srclink->sample_aspect_ratio;
     outlink->frame_rate = srclink->frame_rate;
 
-    ret = ff_framesync_init(&s->fs, ctx, 3);
+    ret = ff_framesync2_init(&s->fs, ctx, 3);
     if (ret < 0)
         return ret;
 
@@ -350,44 +350,36 @@ static int config_output(AVFilterLink *outlink)
     s->fs.opaque   = s;
     s->fs.on_event = process_frame;
 
-    return ff_framesync_configure(&s->fs);
+    return ff_framesync2_configure(&s->fs);
 }
 
-static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
+static int activate(AVFilterContext *ctx)
 {
-    RemapContext *s = inlink->dst->priv;
-    return ff_framesync_filter_frame(&s->fs, inlink, buf);
+    RemapContext *s = ctx->priv;
+    return ff_framesync2_activate(&s->fs);
 }
 
-static int request_frame(AVFilterLink *outlink)
-{
-    RemapContext *s = outlink->src->priv;
-    return ff_framesync_request_frame(&s->fs, outlink);
-}
 
 static av_cold void uninit(AVFilterContext *ctx)
 {
     RemapContext *s = ctx->priv;
 
-    ff_framesync_uninit(&s->fs);
+    ff_framesync2_uninit(&s->fs);
 }
 
 static const AVFilterPad remap_inputs[] = {
     {
         .name         = "source",
         .type         = AVMEDIA_TYPE_VIDEO,
-        .filter_frame = filter_frame,
         .config_props = config_input,
     },
     {
         .name         = "xmap",
         .type         = AVMEDIA_TYPE_VIDEO,
-        .filter_frame = filter_frame,
     },
     {
         .name         = "ymap",
         .type         = AVMEDIA_TYPE_VIDEO,
-        .filter_frame = filter_frame,
     },
     { NULL }
 };
@@ -397,7 +389,6 @@ static const AVFilterPad remap_outputs[] = {
         .name          = "default",
         .type          = AVMEDIA_TYPE_VIDEO,
         .config_props  = config_output,
-        .request_frame = request_frame,
     },
     { NULL }
 };
@@ -408,6 +399,7 @@ AVFilter ff_vf_remap = {
     .priv_size     = sizeof(RemapContext),
     .uninit        = uninit,
     .query_formats = query_formats,
+    .activate      = activate,
     .inputs        = remap_inputs,
     .outputs       = remap_outputs,
     .priv_class    = &remap_class,