lavfi: rename vf_setpts.c to f_setpts.c

[ffmpeg] / libavfilter / vf_gradfun.c

diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index 4b3a59fd17620e543c2e1f328a9a440114cc985a..5c49060c9d6b9d2bf82c41000a22c717652de29c 100644 (file)
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -33,6 +33,7 @@
  */
 
 #include "libavutil/imgutils.h"
+#include "libavutil/common.h"
 #include "libavutil/cpu.h"
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
@@ -180,32 +181,18 @@ static int config_input(AVFilterLink *inlink)
     return 0;
 }
 
-static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
+static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
 {
-    AVFilterLink *outlink = inlink->dst->outputs[0];
-    AVFilterBufferRef *outpicref;
-
-    if (inpicref->perms & AV_PERM_PRESERVE) {
-        outpicref = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
-        avfilter_copy_buffer_ref_props(outpicref, inpicref);
-        outpicref->video->w = outlink->w;
-        outpicref->video->h = outlink->h;
-    } else
-        outpicref = inpicref;
-
-    outlink->out_buf = outpicref;
-    ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
+    return 0;
 }
 
-static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
-
-static void end_frame(AVFilterLink *inlink)
+static int end_frame(AVFilterLink *inlink)
 {
     GradFunContext *gf = inlink->dst->priv;
     AVFilterBufferRef *inpic = inlink->cur_buf;
     AVFilterLink *outlink = inlink->dst->outputs[0];
     AVFilterBufferRef *outpic = outlink->out_buf;
-    int p;
+    int p, ret;
 
     for (p = 0; p < 4 && inpic->data[p]; p++) {
         int w = inlink->w;
@@ -223,11 +210,10 @@ static void end_frame(AVFilterLink *inlink)
             av_image_copy_plane(outpic->data[p], outpic->linesize[p], inpic->data[p], inpic->linesize[p], w, h);
     }
 
-    ff_draw_slice(outlink, 0, inlink->h, 1);
-    ff_end_frame(outlink);
-    avfilter_unref_buffer(inpic);
-    if (outpic != inpic)
-        avfilter_unref_buffer(outpic);
+    if ((ret = ff_draw_slice(outlink, 0, inlink->h, 1)) < 0 ||
+        (ret = ff_end_frame(outlink)) < 0)
+        return ret;
+    return 0;
 }
 
 AVFilter avfilter_vf_gradfun = {
@@ -238,15 +224,15 @@ AVFilter avfilter_vf_gradfun = {
     .uninit        = uninit,
     .query_formats = query_formats,
 
-    .inputs    = (const AVFilterPad[]) {{ .name       = "default",
-                                    .type             = AVMEDIA_TYPE_VIDEO,
-                                    .config_props     = config_input,
-                                    .start_frame      = start_frame,
-                                    .draw_slice       = null_draw_slice,
-                                    .end_frame        = end_frame,
-                                    .min_perms        = AV_PERM_READ, },
-                                  { .name = NULL}},
-    .outputs   = (const AVFilterPad[]) {{ .name       = "default",
-                                    .type             = AVMEDIA_TYPE_VIDEO, },
-                                  { .name = NULL}},
+    .inputs    = (const AVFilterPad[]) {{ .name             = "default",
+                                          .type             = AVMEDIA_TYPE_VIDEO,
+                                          .config_props     = config_input,
+                                          .start_frame      = ff_inplace_start_frame,
+                                          .draw_slice       = null_draw_slice,
+                                          .end_frame        = end_frame,
+                                          .min_perms        = AV_PERM_READ, },
+                                        { .name = NULL}},
+    .outputs   = (const AVFilterPad[]) {{ .name             = "default",
+                                          .type             = AVMEDIA_TYPE_VIDEO, },
+                                        { .name = NULL}},
 };