avformat: Change avpriv_new_chapter() from O(n) to (1) in the common case

[ffmpeg] / libavfilter / vf_deshake.c

diff --git a/libavfilter/vf_deshake.c b/libavfilter/vf_deshake.c
index b516ea2d59d26e121338ac1d4fc934c72aed0476..28a541b94a7f4479a6c1f93bc846743f20be86b5 100644 (file)
--- a/libavfilter/vf_deshake.c
+++ b/libavfilter/vf_deshake.c
@@ -354,7 +354,7 @@ static av_cold int init(AVFilterContext *ctx)
     if (deshake->filename)
         deshake->fp = fopen(deshake->filename, "w");
     if (deshake->fp)
-        fwrite("Ori x, Avg x, Fin x, Ori y, Avg y, Fin y, Ori angle, Avg angle, Fin angle, Ori zoom, Avg zoom, Fin zoom\n", sizeof(char), 104, deshake->fp);
+        fwrite("Ori x, Avg x, Fin x, Ori y, Avg y, Fin y, Ori angle, Avg angle, Fin angle, Ori zoom, Avg zoom, Fin zoom\n", 1, 104, deshake->fp);
 
     // Quadword align left edge of box for MMX code, adjust width if necessary
     // to keep right margin
@@ -485,7 +485,7 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
     // Write statistics to file
     if (deshake->fp) {
         snprintf(tmp, 256, "%f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f\n", orig.vec.x, deshake->avg.vec.x, t.vec.x, orig.vec.y, deshake->avg.vec.y, t.vec.y, orig.angle, deshake->avg.angle, t.angle, orig.zoom, deshake->avg.zoom, t.zoom);
-        fwrite(tmp, sizeof(char), strlen(tmp), deshake->fp);
+        fwrite(tmp, 1, strlen(tmp), deshake->fp);
     }
 
     // Turn relative current frame motion into absolute by adding it to the