vlc_bits: fix negative remain regression

8 years ago · fd2450ab3e
1 changed files with 1 additions and 1 deletions
--- a/modules/packetizer/hxxx_ep3b.h
+++ b/modules/packetizer/hxxx_ep3b.h
@ -126,7 +126,7 @@ static size_t hxxx_bsfw_byte_remain_ep3b( const bs_t *s )
    struct hxxx_bsfw_ep3b_ctx_s *ctx = (struct hxxx_bsfw_ep3b_ctx_s *) s->p_priv;
    if( ctx->i_bytesize == 0 && s->p_start != s->p_end )
        ctx->i_bytesize = hxxx_ep3b_total_size( s->p_start, s->p_end );
-    return ctx->i_bytesize - ctx->i_bytepos;
+    return (ctx->i_bytesize > ctx->i_bytepos) ? ctx->i_bytesize - ctx->i_bytepos : 0;
 }

 static const bs_byte_callbacks_t hxxx_bsfw_ep3b_callbacks =