Ticket #509: mythtv_badfps.patch

libs/libavcodec/h263.c

@@ -5560 +5560 @@
     if (get_bits1(gb) != 0) {   /* fixed_vop_rate  */
         s->avctx->time_base.num = get_bits(gb, s->time_increment_bits);
     }else
-        s->avctx->time_base.num = 1;
+        s->avctx->time_base.num = s->avctx->time_base.den>10000?1001:1;
 
     s->t_frame=0;
 

libs/libmythtv/avformatdecoder.cpp

@@ -680 +709 @@
     fps = 1 / av_q2d(enc->time_base);
     // Some formats report fps waaay too high. (wrong time_base)
     if (fps > 100)
-        fps /= 100;
+    {
+        if (enc->time_base.den > 10000 && enc->time_base.num==1)
+        {
+            enc->time_base.num = 1001;  // seems pretty standard
+            fps = 1 / av_q2d(enc->time_base);
+        }
+        while (fps > 100)
+            fps /= 10;  // just for fun so its in range
+    }
 
     float aspect_ratio;
     if (enc->sample_aspect_ratio.num == 0)