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mpeg4videodec: Recalculate timebase in case of guessing time increment bits

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Michael Niedermayer authored on 2012/10/14 10:02:33
Showing 1 changed files

libavcodec/mpeg4videodec.c index 122f5f5..a60d03d 100644

@@ -1963,6 +1963,9 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){
         }
 
         av_log(s->avctx, AV_LOG_ERROR, "my guess is %d bits ;)\n",s->time_increment_bits);
+        if (s->avctx->time_base.den && 4*s->avctx->time_base.den < 1<<s->time_increment_bits) {
+            s->avctx->time_base.den = 1<<s->time_increment_bits;
+        }
     }
 
     if(IS_3IV1) time_increment= get_bits1(gb); //FIXME investigate further

...	...	@@ -1963,6 +1963,9 @@ static int decode_vop_header(MpegEncContext s, GetBitContext gb){
1963	1963	}
1964	1964
1965	1965	av_log(s->avctx, AV_LOG_ERROR, "my guess is %d bits ;)\n",s->time_increment_bits);
	1966	+ if (s->avctx->time_base.den && 4*s->avctx->time_base.den < 1<<s->time_increment_bits) {
	1967	+ s->avctx->time_base.den = 1<<s->time_increment_bits;
	1968	+ }
1966	1969	}
1967	1970
1968	1971	if(IS_3IV1) time_increment= get_bits1(gb); //FIXME investigate further