X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Favf_ahistogram.c;h=587415175b562d7e87389bf4dca151245495db1d;hb=cc16229d914aa0eea827599f9df7716bb2afa36b;hp=a716a96f2de2cbc96bfb22edff3d4f8a0244e7f3;hpb=f32a23c8491297d0ff19656cd7a09b6c8fa3eafb;p=ffmpeg

diff --git a/libavfilter/avf_ahistogram.c b/libavfilter/avf_ahistogram.c
index a716a96f2de..587415175b5 100644
--- a/libavfilter/avf_ahistogram.c
+++ b/libavfilter/avf_ahistogram.c
@@ -63,8 +63,8 @@ static const AVOption ahistogram_options[] = {
     { "dmode", "set method to display channels", OFFSET(dmode), AV_OPT_TYPE_INT, {.i64=SINGLE}, 0, NB_DMODES-1, FLAGS, "dmode" },
         { "single", "all channels use single histogram", 0, AV_OPT_TYPE_CONST, {.i64=SINGLE},   0, 0, FLAGS, "dmode" },
         { "separate", "each channel have own histogram", 0, AV_OPT_TYPE_CONST, {.i64=SEPARATE}, 0, 0, FLAGS, "dmode" },
-    { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str="25"}, 0, 0, FLAGS },
-    { "r",    "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str="25"}, 0, 0, FLAGS },
+    { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str="25"}, 0, INT_MAX, FLAGS },
+    { "r",    "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str="25"}, 0, INT_MAX, FLAGS },
     { "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
     { "s",    "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
     { "scale", "set display scale", OFFSET(scale), AV_OPT_TYPE_INT, {.i64=LOG}, LINEAR, NB_SCALES-1, FLAGS, "scale" },
@@ -165,7 +165,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
     const int H = s->histogram_h;
     const int w = s->w;
     int c, y, n, p, bin;
-    uint64_t acmax = 0;
+    uint64_t acmax = 1;
 
     if (!s->out || s->out->width  != outlink->w ||
                    s->out->height != outlink->h) {