shithub: libvpx

Info  •  Files  •  Log  •  Branches

Use round to be more accurate casting float to int

Change-Id: Ifd5961917831752b176dd75d39d6b2cba6ce72fa

--- a/vp8/encoder/onyx_if.c

+++ b/vp8/encoder/onyx_if.c

@@ -301,9 +301,9 @@

   /* Work out the average size of a frame within this layer */

   if (layer > 0) {

     lc->avg_frame_size_for_layer =

-        (int)((cpi->oxcf.target_bitrate[layer] -

-               cpi->oxcf.target_bitrate[layer - 1]) *

-              1000 / (lc->framerate - prev_layer_framerate));

+        (int)round((cpi->oxcf.target_bitrate[layer] -

+                    cpi->oxcf.target_bitrate[layer - 1]) *

+                   1000 / (lc->framerate - prev_layer_framerate));

   }

   lc->active_worst_quality = cpi->oxcf.worst_allowed_q;

--- a/vp9/encoder/vp9_svc_layercontext.c

+++ b/vp9/encoder/vp9_svc_layercontext.c

@@ -322,8 +322,8 @@

     const int prev_layer_target_bandwidth =

         oxcf->layer_target_bitrate[st_idx - 1];

     lc->avg_frame_size =

-        (int)((lc->target_bandwidth - prev_layer_target_bandwidth) /

-              (lc->framerate - prev_layer_framerate));

+        (int)round((lc->target_bandwidth - prev_layer_target_bandwidth) /

+                   (lc->framerate - prev_layer_framerate));

   }

 }