shithub: libvpx

Download patch

ref: 6b4b82fd7a47720d608f6349bdb2cb2b81adb6a1
parent: 0702d5ab27723162d0167006ef93010649c94895
author: Jerome Jiang <jianj@google.com>
date: Thu Jul 15 12:05:16 EDT 2021

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));
   }
 }