X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fdnxhddata.c;h=154be89860d6042bc90692f7faa96d6527e222de;hb=60e7021064ea9e99854c585d452e89f38635480e;hp=e9dd29ce4c6058de65b48dc0c4178c4bcfb4b744;hpb=41cd5af3250ef976f0a48adeb6dbccc9b2683e58;p=ffmpeg

diff --git a/libavcodec/dnxhddata.c b/libavcodec/dnxhddata.c
index e9dd29ce4c6..154be89860d 100644
--- a/libavcodec/dnxhddata.c
+++ b/libavcodec/dnxhddata.c
@@ -1092,6 +1092,19 @@ int avpriv_dnxhd_get_frame_size(int cid)
     return ff_dnxhd_cid_table[i].frame_size;
 }
 
+int avpriv_dnxhd_get_hr_frame_size(int cid, int w, int h)
+{
+    int result, i = ff_dnxhd_get_cid_table(cid);
+
+    if (i < 0)
+        return i;
+
+    result = ((h + 15) / 16) * ((w + 15) / 16) * (int64_t)ff_dnxhd_cid_table[i].packet_scale.num / ff_dnxhd_cid_table[i].packet_scale.den;
+    result = (result + 2048) / 4096 * 4096;
+
+    return FFMAX(result, 8192);
+}
+
 int avpriv_dnxhd_get_interlaced(int cid)
 {
     int i = ff_dnxhd_get_cid_table(cid);